WO2010080845A3 - Hearability improvements for reference signals - Google Patents
Hearability improvements for reference signals Download PDFInfo
- Publication number
- WO2010080845A3 WO2010080845A3 PCT/US2010/020271 US2010020271W WO2010080845A3 WO 2010080845 A3 WO2010080845 A3 WO 2010080845A3 US 2010020271 W US2010020271 W US 2010020271W WO 2010080845 A3 WO2010080845 A3 WO 2010080845A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- prss
- reference signals
- transmitting
- resource elements
- designated
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1893—Physical mapping arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0078—Timing of allocation
- H04L5/0082—Timing of allocation at predetermined intervals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/30—Resource management for broadcast services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
- H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
Abstract
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011544681A JP2012514908A (en) | 2009-01-06 | 2010-01-06 | Improved audibility of reference signal |
BRPI1007517-8A BRPI1007517B1 (en) | 2009-01-06 | 2010-01-06 | HEARING CAPACITY IMPROVEMENTS FOR REFERENCE SIGNS |
MX2011006949A MX2011006949A (en) | 2009-01-06 | 2010-01-06 | Hearability improvements for reference signals. |
KR1020137000870A KR101371810B1 (en) | 2009-01-06 | 2010-01-06 | Hearability improvements for reference signals |
EP10701410.2A EP2386157B1 (en) | 2009-01-06 | 2010-01-06 | Hearability improvements for reference signals |
CN201080003887.XA CN102273123B (en) | 2009-01-06 | 2010-01-06 | Hearability improvements for reference signals |
RU2011133068/07A RU2494543C2 (en) | 2009-01-06 | 2010-01-06 | Audibility improvement for reference signals |
CA2748740A CA2748740C (en) | 2009-01-06 | 2010-01-06 | Hearability improvements for reference signals |
KR1020117018420A KR101391027B1 (en) | 2009-01-06 | 2010-01-06 | Hearability improvements for reference signals |
ZA2011/05617A ZA201105617B (en) | 2009-01-06 | 2011-07-29 | Hearability improvements for reference signals |
PH12014500672A PH12014500672A1 (en) | 2009-01-06 | 2014-03-25 | Hearability improvements for reference signals |
Applications Claiming Priority (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14278409P | 2009-01-06 | 2009-01-06 | |
US61/142,784 | 2009-01-06 | ||
US14407509P | 2009-01-12 | 2009-01-12 | |
US61/144,075 | 2009-01-12 | ||
US14964709P | 2009-02-03 | 2009-02-03 | |
US61/149,647 | 2009-02-03 | ||
US15112809P | 2009-02-09 | 2009-02-09 | |
US61/151,128 | 2009-02-09 | ||
US16342909P | 2009-03-25 | 2009-03-25 | |
US61/163,429 | 2009-03-25 | ||
US12/651,838 US8982851B2 (en) | 2009-01-06 | 2010-01-04 | Hearability improvements for reference signals |
US12/651,838 | 2010-01-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2010080845A2 WO2010080845A2 (en) | 2010-07-15 |
WO2010080845A3 true WO2010080845A3 (en) | 2010-09-10 |
Family
ID=42311654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2010/020271 WO2010080845A2 (en) | 2009-01-06 | 2010-01-06 | Hearability improvements for reference signals |
Country Status (13)
Country | Link |
---|---|
US (2) | US8982851B2 (en) |
EP (2) | EP2386157B1 (en) |
JP (3) | JP2012514908A (en) |
KR (2) | KR101391027B1 (en) |
CN (2) | CN102273123B (en) |
BR (1) | BRPI1007517B1 (en) |
CA (1) | CA2748740C (en) |
MX (1) | MX2011006949A (en) |
PH (1) | PH12014500672A1 (en) |
RU (2) | RU2494543C2 (en) |
TW (2) | TWI486043B (en) |
WO (1) | WO2010080845A2 (en) |
ZA (1) | ZA201105617B (en) |
Families Citing this family (86)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8514954B1 (en) * | 2008-03-04 | 2013-08-20 | Microsoft Corporation | Pilot design for wireless system |
WO2009113951A1 (en) * | 2008-03-13 | 2009-09-17 | Telefonaktiebolaget L M Ericsson (Publ) | Neighbour cell quality measurement in a telecommunications system |
US8848621B2 (en) * | 2008-06-11 | 2014-09-30 | Qualcomm Incorporated | Apparatus and method for cell-based highly detectable pilot multiplexing |
US9035829B2 (en) | 2008-09-10 | 2015-05-19 | Nextnav, Llc | Wide area positioning systems and methods |
US8614975B2 (en) * | 2008-09-19 | 2013-12-24 | Qualcomm Incorporated | Synchronizing a base station in a wireless communication system |
US9037155B2 (en) * | 2008-10-28 | 2015-05-19 | Sven Fischer | Time of arrival (TOA) estimation for positioning in a wireless communication network |
US8982851B2 (en) * | 2009-01-06 | 2015-03-17 | Qualcomm Incorporated | Hearability improvements for reference signals |
US7940740B2 (en) * | 2009-02-03 | 2011-05-10 | Motorola Mobility, Inc. | Apparatus and method for communicating and processing a positioning reference signal based on identifier associated with a base station |
US8401033B2 (en) * | 2009-03-13 | 2013-03-19 | Qualcomm Incorporated | Systems, apparatus and methods to facilitate physical cell identifier collision detection |
US9647810B2 (en) | 2009-03-17 | 2017-05-09 | Samsung Electronics Co., Ltd. | Method and system for mapping pilot signals in multi-stream transmissions |
ES2637293T3 (en) * | 2009-03-18 | 2017-10-11 | Electronics And Telecommunications Research Institute | Method for signaling CSI-RS subframe patterns |
CN102882635B (en) * | 2009-03-19 | 2017-05-10 | 联想创新有限公司(香港) | Improved channel quality indicator method |
US8675481B2 (en) | 2009-03-23 | 2014-03-18 | Lg Electronics Inc. | Method and apparatus for transmitting reference signal in multi-antenna system |
US11218194B2 (en) | 2009-03-23 | 2022-01-04 | Lg Electronics Inc. | Method and apparatus for transmitting reference signal in multi-antenna system |
US8730925B2 (en) * | 2009-04-09 | 2014-05-20 | Motorola Mobility Llc | Method and apparatus for generating reference signals for accurate time-difference of arrival estimation |
KR101644881B1 (en) | 2009-04-10 | 2016-08-03 | 엘지전자 주식회사 | Apparatus and metheod for positioing a user equipment |
KR101738162B1 (en) * | 2009-04-10 | 2017-05-22 | 엘지전자 주식회사 | Method and apparatus of transmitting positioning reference signal in wireless communication system |
WO2010121426A1 (en) * | 2009-04-23 | 2010-10-28 | 华为技术有限公司 | Method and equipment for informing use of sub-frames, method and equipment for processing sub-frames |
BRPI1015270A2 (en) * | 2009-04-28 | 2017-09-26 | Zte Usa Inc | method and system for dynamically adjusting downlink / uplink allocation rate in lte / tdd systems |
US9253651B2 (en) * | 2009-05-01 | 2016-02-02 | Qualcom Incorporated | Transmission and detection of overhead channels and signals in a wireless network |
US8238323B2 (en) * | 2009-06-11 | 2012-08-07 | Intel Corporation | OFDMA cellular network and method for mitigating interference |
US9002354B2 (en) | 2009-06-12 | 2015-04-07 | Google Technology Holdings, LLC | Interference control, SINR optimization and signaling enhancements to improve the performance of OTDOA measurements |
CN101931862B (en) * | 2009-06-22 | 2013-11-06 | 华为技术有限公司 | Positioning information transmitting method and device |
EP3206447A1 (en) * | 2009-06-24 | 2017-08-16 | IDTP Holdings, Inc. | Methods and arrangements in a cellular network for supporting positioning |
US8483707B2 (en) * | 2009-06-26 | 2013-07-09 | Motorola Mobility Llc | Wireless terminal and method for managing the receipt of position reference singals for use in determining a location |
US8891480B2 (en) * | 2009-07-01 | 2014-11-18 | Qualcomm Incorporated | Positioning reference signals in a telecommunication system |
US8902858B2 (en) * | 2009-07-15 | 2014-12-02 | Qualcomm Incorporated | Low reuse preamble |
US20110039583A1 (en) * | 2009-08-17 | 2011-02-17 | Motorola, Inc. | Muting time masks to suppress serving cell interference for observed time difference of arrival location |
US8688139B2 (en) | 2009-09-10 | 2014-04-01 | Qualcomm Incorporated | Concurrent wireless transmitter mapping and mobile station positioning |
US8374633B2 (en) | 2009-10-05 | 2013-02-12 | Motorola Mobility Llc | Muting indication to enable improved time difference of arrival measurements |
US8457079B2 (en) * | 2009-10-05 | 2013-06-04 | Motorola Mobility Llc | Method and apparatus for mitigating downlink control channel interference |
US20110176440A1 (en) * | 2010-01-15 | 2011-07-21 | Motorola-Mobility, Inc. | Restrictions on autonomous muting to enable time difference of arrival measurements |
EP2537361B1 (en) * | 2010-02-19 | 2016-09-21 | Lenovo Group Limited | Inter-frequency positioning measurements |
US8509102B2 (en) | 2010-02-24 | 2013-08-13 | Motorola Mobility Llc | Threshold determination in TDOA-based positioning system |
US8660082B2 (en) * | 2010-02-26 | 2014-02-25 | Telefonaktiebolaget L M Ericsson | Method and arrangement in a radio-access network |
US9203489B2 (en) | 2010-05-05 | 2015-12-01 | Google Technology Holdings LLC | Method and precoder information feedback in multi-antenna wireless communication systems |
US9091746B2 (en) | 2010-07-01 | 2015-07-28 | Qualcomm Incorporated | Determination of positions of wireless transceivers to be added to a wireless communication network |
US8804536B2 (en) | 2010-08-16 | 2014-08-12 | Qualcomm Incorporated | Method and apparatus for facilitating sensing in cognitive radio communications |
CN102378116B (en) * | 2010-08-17 | 2016-03-30 | 华为技术有限公司 | The collocation method of energy-saving cell, Apparatus and system |
US8929826B2 (en) | 2010-08-20 | 2015-01-06 | Telefonaktiebolaget L M Ericsson (Publ) | Method and node for reduced transmission activity pattern configuration |
US8428022B2 (en) | 2010-08-27 | 2013-04-23 | Motorola Mobility Llc | Method and apparatus for transmitting positioning reference signals in a wireless communication network |
US10034205B2 (en) * | 2010-10-01 | 2018-07-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Positioning measurements and carrier switching in multi-carrier wireless communication networks |
JP5985491B2 (en) | 2010-11-08 | 2016-09-06 | サムスン エレクトロニクス カンパニー リミテッド | Method and apparatus for receiving different types of subframes in wireless communication system |
KR20120082711A (en) * | 2011-01-14 | 2012-07-24 | 주식회사 팬택 | Apparatus and method for transmitting and receiving positioning reference signal in heterogeneous communication system |
CN102624466B (en) * | 2011-01-26 | 2015-04-29 | 高通股份有限公司 | Method and apparatus for conducting reference signal measurement in the TDD-LTE system from TD-SCDMA system |
US8670330B2 (en) | 2011-01-26 | 2014-03-11 | Qualcomm Incorporated | Methods and apparatus to perform reference signal measurements in a TDD-LTE system from a TD-SCDMA system |
US9258718B2 (en) | 2011-02-22 | 2016-02-09 | Qualcomm Incorporated | Positioning location for remote radio heads (RRH) with same physical cell identity (PCI) |
EP2701327A4 (en) | 2011-04-19 | 2015-03-11 | Panasonic Ip Corp America | Pre-coding method and pre-coding device |
CN106405483B (en) * | 2011-06-28 | 2019-04-02 | 内克斯特纳夫有限公司 | For providing method, transmitter and the system of location information |
WO2013051990A2 (en) | 2011-10-04 | 2013-04-11 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and devices for configuring uplink transmission diversity |
KR102120106B1 (en) * | 2011-10-13 | 2020-06-17 | 엘지전자 주식회사 | Method in which a terminal transceives a signal in a wireless communication system and apparatus for same |
KR101603458B1 (en) * | 2011-12-28 | 2016-03-14 | 엘지전자 주식회사 | Method and apparatus for transmitting sounding reference signal |
WO2013138814A1 (en) * | 2012-03-16 | 2013-09-19 | Intel Corporation | Down-sampling of cell-specific reference signals (crs) for a new carrier type (nct) |
KR101339755B1 (en) | 2012-06-05 | 2014-01-03 | 전자부품연구원 | Method for transceiving scrambled signal and rader apparatus applying the same |
US8891393B2 (en) * | 2012-06-26 | 2014-11-18 | Polaris Wireless, Inc. | Measurement of reference signals with reduced interference |
WO2014000227A1 (en) * | 2012-06-28 | 2014-01-03 | 华为技术有限公司 | Channel state information measurement method, terminal, and base station |
US8971429B2 (en) * | 2012-09-21 | 2015-03-03 | Qualcomm Incorporated | Cyclic shift delay detection using autocorrelations |
US8971428B2 (en) * | 2012-09-21 | 2015-03-03 | Qualcomm Incorporated | Cyclic shift delay detection using a channel impulse response |
US9813262B2 (en) | 2012-12-03 | 2017-11-07 | Google Technology Holdings LLC | Method and apparatus for selectively transmitting data using spatial diversity |
US9591508B2 (en) | 2012-12-20 | 2017-03-07 | Google Technology Holdings LLC | Methods and apparatus for transmitting data between different peer-to-peer communication groups |
US9651653B2 (en) * | 2012-12-24 | 2017-05-16 | Qualcomm Incorporated | Positioning reference signal (PRS) generation for multiple transmit antenna systems |
US9979531B2 (en) | 2013-01-03 | 2018-05-22 | Google Technology Holdings LLC | Method and apparatus for tuning a communication device for multi band operation |
US10229697B2 (en) | 2013-03-12 | 2019-03-12 | Google Technology Holdings LLC | Apparatus and method for beamforming to obtain voice and noise signals |
US9386542B2 (en) | 2013-09-19 | 2016-07-05 | Google Technology Holdings, LLC | Method and apparatus for estimating transmit power of a wireless device |
US9648584B2 (en) * | 2013-10-31 | 2017-05-09 | Motorola Solutions, Inc. | Single frequency network broadcast for mission-critical services on LTE |
US9549290B2 (en) | 2013-12-19 | 2017-01-17 | Google Technology Holdings LLC | Method and apparatus for determining direction information for a wireless device |
US9426609B2 (en) * | 2014-01-24 | 2016-08-23 | Qualcomm Incorporated | Methods, apparatuses, and devices for processing positioning reference signals |
WO2015116865A1 (en) | 2014-01-29 | 2015-08-06 | Interdigital Patent Holdings, Inc. | Resource selection for device to device discovery or communication |
EP3809763A1 (en) | 2014-03-19 | 2021-04-21 | Interdigital Patent Holdings, Inc. | Device-to-device synchronization |
US9491007B2 (en) | 2014-04-28 | 2016-11-08 | Google Technology Holdings LLC | Apparatus and method for antenna matching |
US9478847B2 (en) | 2014-06-02 | 2016-10-25 | Google Technology Holdings LLC | Antenna system and method of assembly for a wearable electronic device |
US10439775B2 (en) * | 2014-09-02 | 2019-10-08 | Qualcomm Incorporated | Randomization of PRS frequency offsets and muting patterns in LTE for EOTDOA |
US20160134402A1 (en) * | 2014-10-29 | 2016-05-12 | Lg Electronics Inc. | Method and apparatus for receiving reference signal in wireless communication system |
US10117183B2 (en) | 2014-11-06 | 2018-10-30 | Huawei Technologies Co., Ltd. | Data transmission method and device |
US20180213462A1 (en) * | 2015-08-03 | 2018-07-26 | Nec Corporation | Transmission device, transmission control method, and recording medium |
PL3332606T3 (en) * | 2015-08-05 | 2020-06-01 | Ipcom Gmbh & Co. Kg | Sfn inter node messaging |
CA2995679A1 (en) | 2015-08-14 | 2017-02-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and apparatuses for positioning based on signal correlation function characteristics feedback |
EP3366070B1 (en) * | 2015-10-20 | 2021-02-17 | Telefonaktiebolaget LM Ericsson (PUBL) | Determination of reference signal transmission pattern |
US20170134128A1 (en) * | 2015-11-05 | 2017-05-11 | Qualcomm Incorporated | Support of otdoa positioning using mixed transmission port antenna configurations |
US10425199B2 (en) * | 2016-11-04 | 2019-09-24 | Qualcomm Incorporated | Efficient handling of control subbands in multiple component carrier configurations |
US10299145B1 (en) * | 2016-11-04 | 2019-05-21 | Sprint Spectrum L.P. | Systems and methods for mitigating interference from neighbors |
CN110475357A (en) * | 2018-05-11 | 2019-11-19 | 中兴通讯股份有限公司 | Indicating means and device, storage medium, the processor of frame structure |
US11070259B2 (en) * | 2018-07-17 | 2021-07-20 | Qualcomm Incorporated | Frequency / time selective precoding for positioning reference signals |
GB2576045A (en) * | 2018-08-03 | 2020-02-05 | Samsung Electronics Co Ltd | Improvements in and relating to positioning reference signal multiplexing in a telecommunication system |
WO2021062858A1 (en) * | 2019-10-01 | 2021-04-08 | Nokia Shanghai Bell Co., Ltd. | Multi-stage positioning reference signal (prs) mechanism for downlink angle of departure (dl-aod) positioning |
US11696279B2 (en) * | 2020-03-31 | 2023-07-04 | Qualcomm Incorporated | Mitigating receive time difference when using a single beam in inter-band carrier aggregation |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1898542A1 (en) * | 2005-06-14 | 2008-03-12 | NTT DoCoMo INC. | Transmitting apparatus, transmitting method, receiving apparatus and receiving method |
Family Cites Families (118)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5669066A (en) | 1993-05-14 | 1997-09-16 | Telefonaktiebolaget Lm Ericsson | Dynamic control of transmitting power at a transmitter and attenuation at a receiver |
US6522890B2 (en) * | 1995-12-22 | 2003-02-18 | Cambridge Positioning Systems, Ltd. | Location and tracking system |
US5859612A (en) * | 1996-06-06 | 1999-01-12 | Qualcomm Incorporated | Method for using an antenna with a rotating beam for determining the position of a mobile subscriber in a CDMA cellular telephone system |
US6671514B1 (en) | 1997-10-16 | 2003-12-30 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for location positioning a mobile station in a CDMA cellular system |
FI980076A (en) | 1998-01-15 | 1999-07-16 | Nokia Networks Oy | The cellular radio system |
US6317049B1 (en) * | 1998-02-17 | 2001-11-13 | Souhail Toubia | Apparatus and method for locating missing persons, animals, and objects |
US6185429B1 (en) * | 1998-07-31 | 2001-02-06 | Motorola, Inc. | Method and apparatus for performing a time synchronization of a base site |
US6317474B1 (en) * | 1998-08-06 | 2001-11-13 | Motorola, Inc. | Method and apparatus for estimating time-of-arrival of a synchronization signal sent simultaneously from at least two non-collocated transmitters |
US6590881B1 (en) | 1998-12-04 | 2003-07-08 | Qualcomm, Incorporated | Method and apparatus for providing wireless communication system synchronization |
KR100487243B1 (en) | 1998-12-17 | 2005-08-31 | 삼성전자주식회사 | Device and method for estimating the position of terminal in mobile communication system |
GB9900340D0 (en) * | 1999-01-09 | 1999-02-24 | Motorola Ltd | A method of and system for estimating a time of arrival of a radio signal |
EP1041746B1 (en) | 1999-03-29 | 2003-08-27 | Alcatel | Process for synchronising base stations in a wireless communication network |
US6714563B1 (en) * | 1999-04-26 | 2004-03-30 | Cisco Technology, Inc. | Network clock synchronization scheme |
US6453168B1 (en) * | 1999-08-02 | 2002-09-17 | Itt Manufacturing Enterprises, Inc | Method and apparatus for determining the position of a mobile communication device using low accuracy clocks |
JP3539338B2 (en) * | 2000-03-23 | 2004-07-07 | 日本電気株式会社 | Priority data transfer method |
FR2808160B1 (en) * | 2000-04-21 | 2004-05-28 | Mitsubishi Electric Inf Tech | METHOD FOR DETERMINING THE POSITION OF A MOBILE STATION OF A MOBILE TELECOMMUNICATIONS NETWORK |
US6445927B1 (en) * | 2000-09-18 | 2002-09-03 | Motorola, Inc. | Method and apparatus for calibrating base station locations and perceived time bias offsets in an assisted GPS transceiver |
EP1336277B1 (en) * | 2000-11-14 | 2011-04-20 | Symbol Technologies, Inc. | Methods and apparatus for identifying asset location in mobile communication networks |
US6684351B1 (en) * | 2000-12-22 | 2004-01-27 | Applied Micro Circuits Corporation | System and method for diagnosing errors in multidimensional digital frame structure communications |
US8754807B2 (en) | 2001-02-02 | 2014-06-17 | Trueposition, Inc. | Time, frequency, and location determination for femtocells |
US6570530B2 (en) | 2001-03-05 | 2003-05-27 | Qualcomm Incorporated | Method and apparatus providing improved position estimate based on an initial coarse position estimate |
US6876326B2 (en) * | 2001-04-23 | 2005-04-05 | Itt Manufacturing Enterprises, Inc. | Method and apparatus for high-accuracy position location using search mode ranging techniques |
EP1278074A1 (en) * | 2001-07-17 | 2003-01-22 | Cambridge Positioning Systems Limited | Radio positioning systems |
GB2382270B (en) | 2001-11-16 | 2006-06-14 | Nec Technologies | Improved location systems in cellular communications networks |
US20030119523A1 (en) | 2001-12-20 | 2003-06-26 | Willem Bulthuis | Peer-based location determination |
US6944540B2 (en) | 2002-03-28 | 2005-09-13 | Motorola, Inc. | Time determination in satellite positioning system receivers and methods therefor |
EP1355450B1 (en) | 2002-04-10 | 2006-10-25 | Lucent Technologies Inc. | Channel overlap mitigation in wireless LANs using a central medium access control |
CN1192650C (en) | 2002-04-26 | 2005-03-09 | 华为技术有限公司 | Directly amplifying station and its mobile station locating method |
JP2005535886A (en) * | 2002-08-13 | 2005-11-24 | ディーアールエス コミュニケーションズ カンパニー,エルエルシー | Method and system for determining the relative position of a network mobile communication device |
JP3801123B2 (en) | 2002-09-06 | 2006-07-26 | 株式会社日立製作所 | Wireless system, server and base station |
US20040052228A1 (en) * | 2002-09-16 | 2004-03-18 | Jose Tellado | Method and system of frequency and time synchronization of a transceiver to signals received by the transceiver |
US7660588B2 (en) * | 2002-10-17 | 2010-02-09 | Qualcomm Incorporated | Method and apparatus for improving radio location accuracy with measurements |
AU2003902613A0 (en) | 2003-05-26 | 2003-06-12 | Commonwealth Scientific And Industrial Research Organisation | Self-surveying method |
CN100512547C (en) | 2003-10-29 | 2009-07-08 | 日本电气株式会社 | Mobile terminal position measurement system |
US7403783B2 (en) | 2004-02-17 | 2008-07-22 | Jadi, Inc. | Navigation system |
FR2871241B1 (en) * | 2004-06-07 | 2007-01-26 | Commissariat Energie Atomique | ULB LOCATION SYSTEM FOR AVALANCHES VICTIMS RELIEF |
JP2006003187A (en) | 2004-06-17 | 2006-01-05 | Hitachi Ltd | Wireless network system |
KR100824044B1 (en) | 2004-06-21 | 2008-04-21 | 삼성전자주식회사 | Method and system for acquiring time sync between a base station in a communication system |
CN100488080C (en) | 2004-06-30 | 2009-05-13 | 中兴通讯股份有限公司 | Method and device for implementing synchronization of outdoor unit and indoor unit of TD-SCDMA system |
US7826343B2 (en) | 2004-09-07 | 2010-11-02 | Qualcomm Incorporated | Position location signaling method apparatus and system utilizing orthogonal frequency division multiplexing |
US7233800B2 (en) | 2004-10-14 | 2007-06-19 | Qualcomm, Incorporated | Wireless terminal location using apparatus and methods employing carrier diversity |
EP1699199B1 (en) * | 2005-03-01 | 2007-11-28 | Alcatel Lucent | A method for OFDM data transmission in a multi-cell mobile network with channel estimation by means of pilots, a base transceiver station, a base station controller and a mobile network therefor |
US7813383B2 (en) * | 2005-03-10 | 2010-10-12 | Qualcomm Incorporated | Method for transmission of time division multiplexed pilot symbols to aid channel estimation, time synchronization, and AGC bootstrapping in a multicast wireless system |
JP4592477B2 (en) | 2005-03-31 | 2010-12-01 | 株式会社エヌ・ティ・ティ・ドコモ | Wireless communication system, base station, mobile station, and wireless communication method |
US7710322B1 (en) * | 2005-05-10 | 2010-05-04 | Multispectral Solutions, Inc. | Extensible object location system and method using multiple references |
US7903628B2 (en) * | 2005-08-22 | 2011-03-08 | Qualcomm Incorporated | Configurable pilots in a wireless communication system |
RU2390791C2 (en) * | 2005-11-07 | 2010-05-27 | Квэлкомм Инкорпорейтед | Positioning for wlan and other wireless networks |
US7893873B2 (en) | 2005-12-20 | 2011-02-22 | Qualcomm Incorporated | Methods and systems for providing enhanced position location in wireless communications |
US8150421B2 (en) * | 2005-12-30 | 2012-04-03 | Trueposition, Inc. | User plane uplink time difference of arrival (U-TDOA) |
US7706328B2 (en) | 2006-01-04 | 2010-04-27 | Qualcomm Incorporated | Methods and apparatus for position location in a wireless network |
KR100695074B1 (en) * | 2006-01-09 | 2007-03-14 | 삼성전자주식회사 | Time synchronizing method in wireless sensor networks |
US20070177605A1 (en) * | 2006-01-30 | 2007-08-02 | Benco David S | Method for utilizing a backup timing source when GPS becomes nonfunctional |
US20080095050A1 (en) * | 2006-03-07 | 2008-04-24 | Qualcomm Incorporated | Method and system for de-assignment of resources in a wireless communication system |
HUE028911T2 (en) * | 2006-04-12 | 2017-01-30 | Lg Electronics Inc | Method and devices for allocating reference signals in mimo system |
US7880676B2 (en) * | 2006-04-19 | 2011-02-01 | Wichorus Inc. | Method and system for hybrid positioning using partial distance information |
US8289159B2 (en) * | 2006-04-26 | 2012-10-16 | Qualcomm Incorporated | Wireless localization apparatus and method |
JP2008002866A (en) | 2006-06-21 | 2008-01-10 | Matsushita Electric Ind Co Ltd | Position-detecting system and position detection method |
CN101123465B (en) | 2006-08-09 | 2012-07-04 | 上海贝尔阿尔卡特股份有限公司 | Method and device for synchronization of network devices in wireless communication system |
CA2661393C (en) * | 2006-08-22 | 2014-10-14 | Brilliant Telecommunications, Inc. | Apparatus and method of synchronizing distribution of packet services across a distributed network |
US7509655B2 (en) * | 2006-08-30 | 2009-03-24 | Microsoft Corporation | Integration of workflow and rules |
US7626544B2 (en) * | 2006-10-17 | 2009-12-01 | Ut-Battelle, Llc | Robust low-frequency spread-spectrum navigation system |
US7729707B2 (en) * | 2006-10-24 | 2010-06-01 | Aeroscout, Inc. | Method and system for synchronization offset reduction in a TDOA location system |
US7844280B2 (en) | 2006-12-12 | 2010-11-30 | Trueposition, Inc. | Location of wideband OFDM transmitters with limited receiver bandwidth |
US7797000B2 (en) * | 2006-12-01 | 2010-09-14 | Trueposition, Inc. | System for automatically determining cell transmitter parameters to facilitate the location of wireless devices |
JP2008236382A (en) * | 2007-03-20 | 2008-10-02 | Toshiba Corp | Radio communication system |
JP2008236383A (en) | 2007-03-20 | 2008-10-02 | Toshiba Corp | Radio communication system |
JP2010524294A (en) * | 2007-03-28 | 2010-07-15 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | Measurement of cell-specific reference symbols in the presence of an MBMS single frequency network |
HUE054175T2 (en) | 2007-04-11 | 2021-08-30 | Optis Wireless Technology Llc | Information on reference signal structure for neighbouring cell measurements |
US8711833B2 (en) * | 2007-04-18 | 2014-04-29 | Wi-Lan, Inc. | Base station synchronization for a single frequency network |
US8208587B2 (en) * | 2007-04-27 | 2012-06-26 | Ntt Docomo, Inc. | Method and system for joint time-of-arrival and amplitude estimation based on a super-resolution technique |
EP2463679B1 (en) | 2007-05-01 | 2020-03-11 | Qualcomm Incorporated(1/3) | Position location for wireless communication systems |
US8331953B2 (en) * | 2007-05-01 | 2012-12-11 | Andrew Llc | System and method for estimating the location of a mobile device |
US20080285505A1 (en) * | 2007-05-15 | 2008-11-20 | Andrew Corporation | System and method for network timing recovery in communications networks |
JP2010531583A (en) * | 2007-06-21 | 2010-09-24 | クゥアルコム・インコーポレイテッド | Method and apparatus for determining the position of a base station in a cellular communication network |
US7903540B2 (en) * | 2007-08-02 | 2011-03-08 | Alvarion Ltd. | Method and device for synchronization in wireless networks |
JP2009052948A (en) | 2007-08-24 | 2009-03-12 | Fujitsu Ltd | Position measuring method |
US8233432B2 (en) | 2007-08-31 | 2012-07-31 | Silicon Image, Inc. | Ensuring physical locality of entities sharing data |
US20090097452A1 (en) * | 2007-10-12 | 2009-04-16 | Qualcomm Incorporated | Femto cell synchronization and pilot search methodology |
US8228923B1 (en) * | 2008-01-09 | 2012-07-24 | Tellabs Operations, Inc. | Method and apparatus for measuring system latency using global time stamp |
US8780798B2 (en) * | 2008-03-05 | 2014-07-15 | Telefonaktiebolaget L M Ericsson (Publ) | Method and devices for providing enhanced signaling |
US8130657B2 (en) * | 2008-03-18 | 2012-03-06 | Palo Alto Research Center Incorporated | Network routing using a retransmission-time-based link metric |
US8254293B2 (en) * | 2008-05-28 | 2012-08-28 | Nivis, Llc | Methods and systems for location estimation |
US7990314B2 (en) * | 2008-06-30 | 2011-08-02 | Liao Henry H | Method and system for locating a geographical position using broadcast frequency modulation signals |
US20100029295A1 (en) * | 2008-07-31 | 2010-02-04 | Assaf Touboul | Gps synchronization method for wireless cellular networks |
KR101208549B1 (en) * | 2008-08-05 | 2012-12-05 | 엘지전자 주식회사 | Reference signal transmission method for downlink multiple input multiple output system |
US20100054237A1 (en) * | 2008-09-04 | 2010-03-04 | Motorola, Inc. | Synchronization for femto-cell base stations |
US8614975B2 (en) * | 2008-09-19 | 2013-12-24 | Qualcomm Incorporated | Synchronizing a base station in a wireless communication system |
US9037155B2 (en) * | 2008-10-28 | 2015-05-19 | Sven Fischer | Time of arrival (TOA) estimation for positioning in a wireless communication network |
US8989085B2 (en) * | 2008-10-31 | 2015-03-24 | Mediatek Inc. | Downlink network synchronization mechanism for femtocell in cellular OFDM systems |
KR101001558B1 (en) * | 2008-11-10 | 2010-12-17 | 한국전자통신연구원 | Method and apparatus for synchronous sensor network construction |
US8180368B2 (en) | 2008-11-11 | 2012-05-15 | Trueposition, Inc. | Femto-cell location by direct methods |
KR101619446B1 (en) * | 2008-12-02 | 2016-05-10 | 엘지전자 주식회사 | Reference signal transmission method for downlink multiple input multiple output system |
US8982851B2 (en) * | 2009-01-06 | 2015-03-17 | Qualcomm Incorporated | Hearability improvements for reference signals |
US7940740B2 (en) * | 2009-02-03 | 2011-05-10 | Motorola Mobility, Inc. | Apparatus and method for communicating and processing a positioning reference signal based on identifier associated with a base station |
EP3334226B1 (en) * | 2009-02-05 | 2020-03-25 | Apple Inc. | Method and system for user equipment location determination on a wireless transmission system |
US8401111B2 (en) * | 2009-03-13 | 2013-03-19 | Qualcomm Incorporated | Method and apparatus for sequencing and correlating a positioning reference signal |
US8811314B2 (en) * | 2009-03-18 | 2014-08-19 | Lg Electronics Inc. | Method and apparatus for transmitting reference signal in wireless communication system |
US8730925B2 (en) * | 2009-04-09 | 2014-05-20 | Motorola Mobility Llc | Method and apparatus for generating reference signals for accurate time-difference of arrival estimation |
KR101738162B1 (en) * | 2009-04-10 | 2017-05-22 | 엘지전자 주식회사 | Method and apparatus of transmitting positioning reference signal in wireless communication system |
KR101644881B1 (en) * | 2009-04-10 | 2016-08-03 | 엘지전자 주식회사 | Apparatus and metheod for positioing a user equipment |
WO2010126842A1 (en) * | 2009-04-27 | 2010-11-04 | Interdigital Patent Holdings, Inc. | Reference signals for positioning measurements |
KR101273293B1 (en) * | 2009-04-27 | 2013-06-11 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Positioning reference signals |
KR101703860B1 (en) * | 2009-05-05 | 2017-02-22 | 엘지전자 주식회사 | Apparatus and metheod for positioing a user equipment |
JP4806714B2 (en) * | 2009-05-14 | 2011-11-02 | 株式会社エヌ・ティ・ティ・ドコモ | Simulator apparatus and simulation method |
CN101931445A (en) * | 2009-06-19 | 2010-12-29 | 松下电器产业株式会社 | Space division multiple access-based method and device for superposing reference signals and data |
US8467346B2 (en) * | 2009-06-19 | 2013-06-18 | Futurewei Technologies, Inc. | Method and apparatus for generating time-frequency patterns for reference signal in an OFDM wireless communication system |
US8891480B2 (en) * | 2009-07-01 | 2014-11-18 | Qualcomm Incorporated | Positioning reference signals in a telecommunication system |
KR101237666B1 (en) * | 2009-07-28 | 2013-02-26 | 엘지전자 주식회사 | Method and apparatus of transmitting reference signal for reducing inter-cell interference in multiple input multiple output communication system |
KR101710204B1 (en) * | 2009-07-28 | 2017-03-08 | 엘지전자 주식회사 | Method and apparatus of transmitting reference signal for channel measurement in multiple input multiple output communication system |
KR101641388B1 (en) * | 2009-08-19 | 2016-07-21 | 엘지전자 주식회사 | Method for using reference signal of relay station and relay station using the method |
US8743824B2 (en) * | 2009-08-26 | 2014-06-03 | Lg Electronics Inc. | Method and apparatus for transmitting/receiving a signal in a wireless communication system that supports multi-user MIMO transmission |
US8688139B2 (en) * | 2009-09-10 | 2014-04-01 | Qualcomm Incorporated | Concurrent wireless transmitter mapping and mobile station positioning |
US20110124347A1 (en) * | 2009-09-15 | 2011-05-26 | Byron Hua Chen | Method And Apparatus for UE Positioning in LTE Networks |
US8174444B2 (en) * | 2009-09-26 | 2012-05-08 | Rincon Research Corporation | Method of correlating known image data of moving transmitters with measured radio signals |
US8600398B2 (en) * | 2009-11-03 | 2013-12-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Method, apparatus and system for defining positioning configuration in a wireless network |
US9091746B2 (en) * | 2010-07-01 | 2015-07-28 | Qualcomm Incorporated | Determination of positions of wireless transceivers to be added to a wireless communication network |
US9369885B2 (en) | 2011-04-12 | 2016-06-14 | Qualcomm Incorporated | Method and apparatus for selecting reference signal tones for decoding a channel |
US9264208B2 (en) * | 2011-07-12 | 2016-02-16 | Qualcomm Incorporated | Downlink control with control-less subframes |
-
2010
- 2010-01-04 US US12/651,838 patent/US8982851B2/en active Active
- 2010-01-06 TW TW099100193A patent/TWI486043B/en active
- 2010-01-06 JP JP2011544681A patent/JP2012514908A/en active Pending
- 2010-01-06 CA CA2748740A patent/CA2748740C/en active Active
- 2010-01-06 RU RU2011133068/07A patent/RU2494543C2/en active
- 2010-01-06 TW TW103134671A patent/TWI559722B/en active
- 2010-01-06 EP EP10701410.2A patent/EP2386157B1/en active Active
- 2010-01-06 CN CN201080003887.XA patent/CN102273123B/en active Active
- 2010-01-06 EP EP12002375A patent/EP2472765A1/en active Pending
- 2010-01-06 BR BRPI1007517-8A patent/BRPI1007517B1/en active IP Right Grant
- 2010-01-06 KR KR1020117018420A patent/KR101391027B1/en active IP Right Grant
- 2010-01-06 MX MX2011006949A patent/MX2011006949A/en active IP Right Grant
- 2010-01-06 KR KR1020137000870A patent/KR101371810B1/en active IP Right Grant
- 2010-01-06 WO PCT/US2010/020271 patent/WO2010080845A2/en active Application Filing
- 2010-01-06 CN CN201410003316.6A patent/CN103763081B/en active Active
-
2011
- 2011-07-29 ZA ZA2011/05617A patent/ZA201105617B/en unknown
-
2013
- 2013-02-21 RU RU2013107801/07A patent/RU2544003C2/en active
- 2013-02-25 JP JP2013034388A patent/JP5996454B2/en active Active
-
2014
- 2014-02-03 JP JP2014018262A patent/JP5890444B2/en active Active
- 2014-03-25 PH PH12014500672A patent/PH12014500672A1/en unknown
-
2015
- 2015-03-16 US US14/658,915 patent/US9774431B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1898542A1 (en) * | 2005-06-14 | 2008-03-12 | NTT DoCoMo INC. | Transmitting apparatus, transmitting method, receiving apparatus and receiving method |
Non-Patent Citations (5)
Title |
---|
MOTOROLA: "Impact of Supporting "Blank" Subframes", 3GPP TSG RAN PLENARY MEETING NO. 42, 5 December 2008 (2008-12-05), Athens, Greece, XP002589696, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_ran/tsg_ran/TSGR_42/docs/> [retrieved on 20100628] * |
QIANG WU ET AL: "cdma2000 Highly Detectable Pilot", COMMUNICATIONS WORKSHOPS, 2008. ICC WORKSHOPS '08. IEEE INTERNATIONAL CONFERENCE ON, IEEE, PISCATAWAY, NJ, USA, 19 May 2008 (2008-05-19), pages 16 - 20, XP031265196, ISBN: 978-1-4244-2052-0 * |
QUALCOMM EUROPE: "Impact of Blank Subframes on Intra-frequency Measurements", 3 GPP TSG-RAN WG4 NO. 49, 6 November 2008 (2008-11-06), Prague, CZ, XP002589698, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_ran/wg4_radio/TSGR4_49/Documents/> [retrieved on 20100628] * |
QUALCOMM EUROPE: "On OTDOA in LTE", 3GPP DRAFT; R1-090353, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, no. Ljubljana; 20090108, 8 January 2009 (2009-01-08), XP050318259 * |
QUALCOMM EUROPE: "Way forward on forward compatible subframes for Rel-8", 3GPP TSG RAN PLENARY MEETING NO. 42, 5 December 2008 (2008-12-05), Athens, Greece, XP002589697, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_ran/tsg_ran/TSGR_42/docs/> [retrieved on 20100628] * |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2010080845A3 (en) | Hearability improvements for reference signals | |
WO2012023765A3 (en) | Codebook for eight transmit antennas and multiple input multiple output communication system using the codebook | |
WO2012004750A3 (en) | Indoor satellite navigation system | |
WO2012081881A3 (en) | Method for transmitting and method for receiving a channel state information reference signal in a distributed multi-node system | |
EP2477428A4 (en) | Method for anonymous communication, method for registration, method and system for transmitting and receiving information | |
WO2013015636A3 (en) | Apparatus and method for beamforming in wireless communication system | |
WO2010018980A3 (en) | Method and apparatus for the transmission of a control signal in a radio communication system | |
WO2010050689A3 (en) | Method of controlling interference in a wireless communication system having multiple antennas | |
WO2012138149A3 (en) | Method and apparatus for scheduling in a wireless communication system. | |
GB2487450B (en) | Additional data streams for wireless systems | |
WO2011096749A3 (en) | A method for interference alignment in wireless network | |
WO2011104502A3 (en) | Enhanced spatial modulation | |
WO2012118343A3 (en) | Method and apparatus for transmitting a sounding reference signal by a terminal | |
WO2012124969A3 (en) | Method for transmitting/receiving signal and device therefor | |
EP3989472A3 (en) | Methods and nodes in a wireless communication system | |
WO2012021018A3 (en) | Apparatus and method for transmitting muting information, and apparatus and method for acquiring channel state using same | |
WO2012099412A3 (en) | Method and apparatus for transmitting an uplink signal by a relay in a wireless communication system | |
EP3823318A8 (en) | Information on reference signal structure for neighbouring cell measurements | |
BR112012022758A2 (en) | Methods to Reduce Communication Interference | |
WO2011162543A3 (en) | Method and device for transmitting and receiving uplink control information in wireless communication system that supports multiple carriers | |
FR2967542B1 (en) | METHOD AND SYSTEM FOR TRANSMITTING AND RECEIVING DATA FROM A BLACK AIRCRAFT BOX | |
WO2012047038A3 (en) | Method for transmitting control information and device therefor | |
WO2011105680A3 (en) | Method for transmitting sounding signal in wireless communication system | |
WO2011002173A3 (en) | Method for transmitting a downlink signal in a multi-antenna wireless communication system, and apparatus for same | |
WO2010011078A3 (en) | Method of transmitting data in multiple antenna system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201080003887.X Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 10701410 Country of ref document: EP Kind code of ref document: A2 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1221/MUMNP/2011 Country of ref document: IN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12011501207 Country of ref document: PH |
|
WWE | Wipo information: entry into national phase |
Ref document number: MX/A/2011/006949 Country of ref document: MX |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2748740 Country of ref document: CA |
|
ENP | Entry into the national phase |
Ref document number: 2011544681 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 20117018420 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2010701410 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011133068 Country of ref document: RU |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: PI1007517 Country of ref document: BR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12014500672 Country of ref document: PH |
|
ENP | Entry into the national phase |
Ref document number: PI1007517 Country of ref document: BR Kind code of ref document: A2 Effective date: 20110706 |