CN101877610B - Method and device for realizing pilot beacon - Google Patents
Method and device for realizing pilot beacon Download PDFInfo
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- CN101877610B CN101877610B CN201010211833.4A CN201010211833A CN101877610B CN 101877610 B CN101877610 B CN 101877610B CN 201010211833 A CN201010211833 A CN 201010211833A CN 101877610 B CN101877610 B CN 101877610B
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- carrier frequency
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
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- 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
Abstract
The invention discloses a method and a device for realizing pilot beacons. The method comprises the following steps: configuring a pilot beacon carrier frequency; setting the number of the pilot beacons on the pilot beacon carrier frequency based on system requirements; configuring air interface frequency points corresponding to the pilot beacon, wherein the number of the air interface frequency points is equal to the number of the pilot beacons; duplicating the signals of the pilot beacon carrier frequency, wherein the amount of the duplicated signals is equal to the amount of the pilot beacons; and respectively emitting the signals of the duplicated pilot beacon carrier frequency to the air interface frequency points. By the invention, the cost for realizing a pilot beacon device is reduced for an operator.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of pilot beacon implementation method and device.
Background technology
In code division multiple access (Code Division Multiple Access, referred to as CDMA) network, according to the demand of the network coverage, the frequency number of different site configuration may be different.As indoor covering website (indoor micro-station), capacity is less, and one of a general configuration frequency just can satisfy the demands; And outdoor website covers (outdoor macro station) far away, customer volume is larger, all can configure a plurality of frequencies, as the cdma network of UNICOM will configure 4 frequencies.When travelling carriage is locked in outdoor f1 or f2 or f3 frequency, from outdoor, move one's steps when indoor, no matter be conversation state or Idle state, can level and smooth being locked on indoor f0 frequency by the pilot signal of indoor station f1 or f2 or f3 frequency, as shown in Figure 1, here the pilot signal of f1 or f2 or f3 also referred to as dummy pilot signal.
Pilot beacon is extremely important for the unbalanced network type of this configuration of CDMA, and it can guarantee that mobile phone became soft handover from originally obtaining direct-cut operation in the switching of using different carrier, thereby reduces the cutting off rate of mobile phone.
For example: travelling carriage is used carrier frequency f1 communication (talking state) under outdoor base station, when travelling carriage is gradually away from outdoor base station, near indoor base station, indoor base station only has carrier frequency f0 that service is provided.The signal of the outdoor base station f1 that travelling carriage is received more and more a little less than, and the signal of indoor base station f0 strengthens gradually, can only adopt the mode of direct-cut operation to switch, and can produce the interruption of 30 milliseconds.Because the success rate of the alien frequencies direct-cut operation of different base station is very low, be very easy to form the phenomenon of call drop.In this case, indoor base station configuration dummy pilot signal.When travelling carriage is under carrier frequency f1 service, while moving to indoor base station from outdoor base station, near travelling carriage can constantly detect, base station is with pilot signal strength frequently.When the pilot signal parameter of the f1 at indoor station frequency surpasses threshold value, travelling carriage can initiatively send Pilot Strength Measurement Message (Pilot Strength Measuring Message, referred to as PSMM) to base station.Indoor base station is received after message, inquires about the configuration information of this base station, finds that the pilot signal of f1 frequency is actually dummy pilot signal, the possibility that the Traffic Channel of providing is not provided, only have the f0 frequency can distribution service channel, therefore distribute the traffic channel resource of f0 frequency, for travelling carriage, realize and switching.Travelling carriage, under the pilot beacon of indoor station f1 frequency is assisted, completed the switching from outdoor station f1 to indoor station f0, thereby the switching guaranteeing is carried out smoothly.Because this process belongs to soft handover, can call drop, thus improve the success rate of switching.
Again for example: travelling carriage is in the carrier frequency f1 of outdoor base station standby (non-talking state, be holding state), when travelling carriage is from outdoor while shifting to indoor moving, because only having f0 carrier frequency, indoor website there is no f1 carrier frequency, Mobile Origination rises while exhaling, and because outdoor f1 is except pilot channel, the signal of other channels is very weak, can cause like this travelling carriage exhale process transfer to enter outdoor Traffic Channel difficulty rising, cause call failure.In this case, indoor base station also needs to configure dummy pilot signal.When the process of travelling carriage from outdoor to indoor moving, detect with f1 signal frequently, the f0 signal standby that is switched to indoor station that can be level and smooth.Now recurrence is exhaled, and just under the various channels at indoor station, has completed the flow process of exhaling again.
In correlation technique, base station equipment supplier adopts a set of independent radio-frequency apparatus and base band carrier frequency to launch a road dummy pilot signal, and Qie Yi road pilot beacon takies a base band carrier frequency, for the carrier frequency that need to be configured to pilot beacon, only configure pilot channel, do not configure other control channel.For example: under certain sector, configure 1 common carrier frequency f0, configure 3 pilot beacon f1, f2, f3, signal frequency point and the content of every road pilot beacon are different, and radiation pattern is as shown in Figure 2.
But the contained fan number that the implementation of this pilot beacon can be supported baseband modulation and demodulation chip has requirement, the baseband modulation and demodulation chip of system and radio system can be supported enough contained fan numbers.The chip supplier and the contained fan number that chip is supported places one's entire reliance upon.If the chip that chip supplier releases is only supported 2 contained fans, for the system of a plurality of pilot beacons of needs, just cannot realize pilot beacon has so configured, and the contained fan number that baseband modulation and demodulation chip is supported is more, and the cost of baseband modulation and demodulation chip is higher, has increased the equipment cost of operator.
Summary of the invention
Main purpose of the present invention is to provide a kind of pilot beacon implementation method and device, at least one of to address the above problem.
To achieve these goals, according to an aspect of the present invention, provide a kind of pilot beacon implementation method.
Pilot beacon implementation method according to the present invention comprises: configure a pilot beacon carrier frequency; The number of the pilot beacon on pilot beacon carrier frequency is set according to system requirements; The frequency of eating dishes without rice or wine corresponding to configuration pilot beacon, wherein, the number of the frequency of eating dishes without rice or wine equals the number of pilot beacon; The signal of pilot beacon carrier frequency is copied, and the umber wherein copying equals the number of pilot beacon; The signal of the pilot beacon carrier frequency copying is transmitted into respectively to the frequency of eating dishes without rice or wine.
Further, before the signal of pilot beacon carrier frequency is copied, also comprise: configure a common carrier frequency; The signal of configuration pilot beacon carrier frequency, wherein, signal comprises pilot signal and synchronizing signal; The frequency field that frequency field in the Sync Channel Message of the signal of configuration pilot beacon carrier frequency is common carrier frequency.
Further, the frequency field that the frequency field in the Sync Channel Message of the signal of configuration pilot beacon carrier frequency is common carrier frequency comprises: the frequency that the frequency field EXT_CDMA_FREQ of the CDMA frequency field CDMA_FREQ in configuration synchronization channel massage and code division multiple access expansion is common carrier frequency.
To achieve these goals, according to a further aspect in the invention, provide a kind of pilot beacon implement device.
Pilot beacon implement device according to the present invention comprises: pseudo-carrier configuration module, for configuring a pilot beacon carrier frequency; Module is set, for the number of the pilot beacon on pilot beacon carrier frequency is set according to system requirements; The frequency configuration module of eating dishes without rice or wine, for configuring the frequency of eating dishes without rice or wine that pilot beacon is corresponding, wherein, the number of the frequency of eating dishes without rice or wine equals the number of pilot beacon; Replication module, for the signal of pilot beacon carrier frequency is copied, the umber wherein copying equals the number of pilot beacon; Transmitter module, for being transmitted into respectively by the signal of the pilot beacon carrier frequency copying the frequency of eating dishes without rice or wine.
Further, said apparatus also comprises: common carrier configuration module, for configuring a common carrier frequency; Signal configures module, for configuring the signal of pilot beacon carrier frequency, wherein, the pilot signal that signal comprises and synchronizing signal; Synchronizing channel configuration module, for configuring the frequency field that the frequency field of Sync Channel Message of the signal of pilot beacon carrier frequency is common carrier frequency.
Further, the frequency that the frequency field EXT_CDMA_FREQ that synchronizing channel configuration module is expanded for CDMA frequency field CDMA_FREQ and the code division multiple access of configuration synchronization channel massage is common carrier frequency.
Further, above-mentioned pseudo-carrier configuration module, above-mentioned module is set, above-mentioned frequency configuration module and the above-mentioned common carrier configuration module of eating dishes without rice or wine is arranged in background net management system.
Further, above-mentioned replication module, above-mentioned transmitter module, above-mentioned signal configures module and above-mentioned synchronizing channel configuration module are arranged on base station.
By the present invention, the frequency point information of basic carrier frequency is filled in the frequency field of the Sync Channel Message of dummy pilot signal in employing, Bing Jiang mono-tunnel dummy pilot signal copies multichannel according to configuration needs, send to respectively on the radio-frequency channel of different frequent points, re-send to and eat dishes without rice or wine, solve dummy pilot signal in correlation technique and relied on the problem that baseband chip supports that contained fan number causes application to be restricted completely, realize a pilot beacon carrier frequency and supported multichannel dummy pilot signal, and reduced operator for realizing the cost of the equipment of pseudo-carrier frequency.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the pilot beacon schematic diagram according to correlation technique;
Fig. 2 is the pilot beacon implementation method schematic diagram according to correlation technique;
Fig. 3 is according to the flow chart of the pilot beacon implementation method of the embodiment of the present invention;
Fig. 4 is according to the structured flowchart of the pilot beacon implement device of the embodiment of the present invention;
Fig. 5 is according to the preferred structured flowchart of the pilot beacon implement device of the embodiment of the present invention;
Fig. 6 is the pilot beacon implementation schematic diagram according to the embodiment of the present invention; And
Fig. 7 is the flow chart that pilot beacon is realized according to the preferred embodiment of the invention.
Embodiment
Hereinafter with reference to accompanying drawing, also describe the present invention in detail in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
Embodiment mono-
In the present embodiment, provide a kind of implementation method of pilot beacon, Fig. 3 is according to the flow chart of the pilot beacon implementation method of the embodiment of the present invention, as shown in Figure 3, comprising:
Step S302, configures a pilot beacon carrier frequency;
Step S304, arranges the number of the pilot beacon on pilot beacon carrier frequency according to system requirements;
Step S306, the frequency of eating dishes without rice or wine corresponding to configuration pilot beacon, wherein, the number of the frequency of eating dishes without rice or wine equals the number of pilot beacon;
Step S308, copies the signal of pilot beacon carrier frequency, and the umber wherein copying equals the number of pilot beacon;
Step S310, is transmitted into respectively by the signal of the pilot beacon carrier frequency copying the frequency of eating dishes without rice or wine.
Pass through above-mentioned steps, the signal of pilot beacon carrier frequency is copied, and the signal of the pilot beacon after copying is transmitted into the frequency of eating dishes without rice or wine, overcome correlation technique Zhong Yi road pilot beacon and taken a base band carrier frequency, pilot beacon configuration is limited to the number of sectors that baseband modulation and demodulation chip is supported completely, realized a pilot beacon carrier frequency and supported the pseudo-CF signal of multichannel, and reduced for realizing the cost of the equipment of pseudo-carrier frequency.
Preferably, before step S310, also comprise: configure a common carrier frequency; The signal of configuration pilot beacon carrier frequency, wherein, this signal comprises pilot signal and synchronizing signal; The frequency field that frequency field in the Sync Channel Message of the signal of configuration pilot beacon carrier frequency is common carrier frequency.By the configuration step of the preferred embodiment, configuration dummy pilot signal only comprises pilot channel and synchronizing channel, and do not comprise paging channel, greatly reduced like this transmitting power of dummy pilot signal, do not configure paging channel, can reduce by 12% power consumption, like this since, reduced the interference of dummy pilot signal to other carrier frequency.
One of the frequency field that is common carrier frequency to the frequency field configuring in above-mentioned steps in the Sync Channel Message of signal of pilot beacon carrier frequency below preferably execution mode describe: the frequency that the frequency field EXT_CDMA_FREQ of the CDMA frequency field CDMA_FREQ in configuration synchronization channel massage and code division multiple access expansion is common carrier frequency.By the configuration step of this preferred embodiment, the frequency that is common carrier frequency by the CDMA frequency field configuration in Sync Channel Message, the paging channel that in travelling carriage meeting Sync Channel Message, CDMA_FREQ and EXT_CDMA_FREQ field are searched for corresponding frequency.CDMA_FREQ in Sync Channel Message and EXT_CDMA_FREQ field are extended this as to the frequency of common carrier frequency, travelling carriage is after the pilot channel and synchronizing channel of locking dummy pilot signal so, according to the indication of CDMA_FREQ and EXT_CDMA_FREQ field, turn the paging channel of the common carrier frequency of removal search, thereby reach the object of standby on common carrier frequency.
Embodiment bis-
The present embodiment combines embodiment mono-and optimal way wherein, a kind of pilot beacon implement device is provided in the present embodiment, Fig. 4 is according to the structured flowchart of the pilot beacon implement device of the embodiment of the present invention, as shown in Figure 4, this device comprises: pseudo-carrier configuration module 42, module 44 is set, the frequency configuration module 46 of eating dishes without rice or wine, replication module 48 and transmitter module 49, below said structure is elaborated.
Pseudo-carrier configuration module 42, for configuring a pilot beacon carrier frequency; Module 44 is set, is connected to pseudo-carrier configuration module 42, for the number of the pilot beacon on the pilot beacon carrier frequency of pseudo-carrier configuration module 42 configurations is set according to system requirements; The frequency configuration module 46 of eating dishes without rice or wine, is connected to pseudo-carrier configuration module 42 and module 44 is set, and for configuring the frequency of eating dishes without rice or wine corresponding to pilot beacon on the pilot beacon carrier frequency of pseudo-carrier configuration module 42 configurations, wherein, the number of the frequency of eating dishes without rice or wine equals the number of pilot beacon; Replication module 48, is connected to pseudo-carrier configuration module 42, and for the signal of the pilot beacon carrier frequency of pseudo-carrier configuration module 42 configurations is copied, the umber wherein copying equals the number of pilot beacon; Transmitter module 49, is connected to replication module 48, for the signal of pilot beacon carrier frequency that replication module 48 is copied, is transmitted into respectively the frequency of eating dishes without rice or wine.
Fig. 5 is according to the preferred structured flowchart of the pilot beacon implement device of the embodiment of the present invention, and as shown in Figure 5, this device also comprises: common carrier configuration module 52, and signal configures module 54, synchronizing channel configuration module 56, is elaborated to said structure below.
Common carrier configuration module 52, for configuring a common carrier frequency; Signal configures module 54, is connected to pseudo-carrier configuration module 42, and for configuring the signal of the pilot beacon carrier frequency of pseudo-carrier configuration module 42 configurations, wherein, this signal comprises pilot signal and pilot signal; Synchronizing channel configuration module 56, is connected to common carrier configuration module 52, for configuring the frequency field that the frequency field of Sync Channel Message of the signal of pilot beacon carrier frequency is common carrier frequency.
One of the frequency field that is common carrier frequency to the frequency field in the Sync Channel Message of the signal of synchronizing channel configuration module 56 configuration pilot beacon carrier frequency below preferably execution mode describe: the frequency that the frequency field EXT_CDMA_FREQ of the CDMA frequency field CDMA_FREQ in configuration synchronization channel massage and code division multiple access expansion is common carrier frequency.
Preferably, above-mentioned pseudo-carrier configuration module, above-mentioned module is set, above-mentioned frequency configuration module and the above-mentioned common carrier configuration module of eating dishes without rice or wine is arranged in background net management system.
Preferably, above-mentioned replication module, above-mentioned transmitter module, above-mentioned signal configures module and above-mentioned synchronizing channel configuration module are arranged on base station.
Embodiment tri-
The present embodiment combines embodiment mono-, embodiment bis-and optimal way wherein, the preferred implementation that realizes pilot beacon in a kind of real system is provided in the present embodiment, Fig. 6 is the pilot beacon implementation schematic diagram according to the embodiment of the present invention, Fig. 7 is the flow chart that pilot beacon is realized according to the preferred embodiment of the invention, below in conjunction with Fig. 6 and 7, describes.
Step S702 configures two carrier frequency under the sector of background net management system, and as shown in Figure 6, first is common carrier frequency sector0, and second is pilot beacon carrier frequency sector1.Under the carrier frequency of pilot beacon, configure the frequency of eating dishes without rice or wine of the way Ji Mei road pilot beacon of needed pilot beacon.The frequency of first common carrier frequency is f0, configures N road pilot beacon under second pilot beacon carrier frequency, and the RF spot of every road pilot beacon is f1, f2 ... fN.
Step S704 configures a pilot channel and a synchronizing channel under pilot beacon carrier frequency, the frequency position f0 of synchronization message frequency field.Each parameter value is as shown in table 1 below:
Table 1 Sync Channel Message frequency field parameter value reference table
Step S706, base station extends this as the CDMA_FREQ in pilot beacon Sync Channel Message and EXT_CDMA_FREQ field the frequency of common carrier frequency.
Step S708, Jiang Yi road, base station dummy pilot signal is passed to signal replication module (for the function of execution graph 5 replication modules), and by the radio-frequency channel notification signal replication module of the way Ji Mei road dummy pilot signal of dummy pilot signal.
Step S710, signal replication module copies N part by 1 tunnel dummy pilot signal according to configuration parameter, as shown in Figure 6, the signal replication of former sector0 is become to N part, and this N part dummy pilot signal is sent to respectively on the radio-frequency channel of different frequent points, be finally sent to and eat dishes without rice or wine, generate dummy pilot signal f1 to fN.Be that background net management system sends to these parameters on the foreground of each base station, the signal replication module module of base station foreground is received after parameter, according to each carrier frequency of parameter configuration, and according to the relevant parameter of pilot beacon, copy the primary signal of pilot beacon carrier frequency, and the primary signal of pilot beacon and replication channels are sent to respectively on the radio-frequency channel of different frequent points.
By the preferred embodiment, to have realized by a road pilot beacon carrier frequency and supported multichannel pilot beacon, the signal frequency point of every road pilot beacon is different, but content is identical.Send on the radio-frequency channel of different frequent points, guarantee that travelling carriage can receive dummy pilot signal on the frequency of needs.Because the signal content that signal replication mode copies is out identical, travelling carriage searches after dummy pilot signal on required frequency, just can forward standby on common carrier frequency to according to the content of dummy pilot signal.
By the present invention, the frequency point information of basic carrier frequency is filled in the frequency field of the Sync Channel Message of dummy pilot signal in employing, Bing Jiang mono-tunnel dummy pilot signal copies multichannel according to configuration needs, send to respectively on the radio-frequency channel of different frequent points, re-send to and eat dishes without rice or wine, solve dummy pilot signal in correlation technique and relied on the problem that baseband chip supports that contained fan number causes use to be restricted completely, and then reached a pilot beacon carrier frequency support multichannel dummy pilot signal, and reduced for realizing the cost of the equipment of pseudo-carrier frequency.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out shown or described step with the order being different from herein, or they are made into respectively to each integrated circuit modules, or a plurality of modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a pilot beacon implementation method, is characterized in that, comprising:
Configure a pilot beacon carrier frequency;
The number of the pilot beacon on described pilot beacon carrier frequency is set according to system requirements;
Configure the frequency of eating dishes without rice or wine that described pilot beacon is corresponding, wherein, described in the eat dishes without rice or wine number of frequency equal the number of described pilot beacon;
The signal of described pilot beacon carrier frequency is copied, and the wherein said umber copying equals the number of described pilot beacon;
The frequency of eating dishes without rice or wine described in the signal of the described pilot beacon carrier frequency copying is transmitted into respectively.
2. method according to claim 1, is characterized in that, before the signal of described pilot beacon carrier frequency is copied, also comprises:
Configure a common carrier frequency;
Configure the signal of described pilot beacon carrier frequency, wherein, described signal comprises pilot signal and synchronizing signal;
Configure the frequency field that the frequency field in the Sync Channel Message of signal of described pilot beacon carrier frequency is described common carrier frequency.
3. method according to claim 2, is characterized in that, configures the frequency field that the frequency field in the Sync Channel Message of signal of described pilot beacon carrier frequency is described common carrier frequency and comprises:
The frequency that the frequency field EXT_CDMA_FREQ that configures CDMA frequency field CDMA_FREQ in described Sync Channel Message and code division multiple access expansion is described common carrier frequency.
4. a pilot beacon implement device, is characterized in that, comprising:
Pseudo-carrier configuration module, for configuring a pilot beacon carrier frequency;
Module is set, for the number of the pilot beacon on described pilot beacon carrier frequency is set according to system requirements;
The frequency configuration module of eating dishes without rice or wine, for configuring the frequency of eating dishes without rice or wine that described pilot beacon is corresponding, wherein, described in the eat dishes without rice or wine number of frequency equal the number of described pilot beacon;
Replication module, for the signal of described pilot beacon carrier frequency is copied, the wherein said umber copying equals the number of described pilot beacon;
Transmitter module, for the frequency of eating dishes without rice or wine described in the signal of the described pilot beacon carrier frequency copying is transmitted into respectively.
5. device according to claim 4, is characterized in that, also comprises:
Common carrier configuration module, for configuring a common carrier frequency;
Signal configures module, for configuring the signal of described pilot beacon carrier frequency, wherein, described signal comprises pilot signal and synchronizing signal;
Synchronizing channel configuration module, for configuring the frequency field that the frequency field of Sync Channel Message of the signal of described pilot beacon carrier frequency is described common carrier frequency.
6. device according to claim 5, it is characterized in that, synchronizing channel configuration module is for configuring the frequency that the CDMA frequency field CDMA_FREQ of described Sync Channel Message and the frequency field EXT_CDMA_FREQ of code division multiple access expansion are described common carrier frequency.
7. device according to claim 5, is characterized in that, described pseudo-carrier configuration module, described arrange module, described in eat dishes without rice or wine frequency configuration module and described common carrier configuration module be arranged in background net management system.
8. device according to claim 5, is characterized in that, described replication module, described transmitter module, described signal configures module and described synchronizing channel configuration module are arranged on base station.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010211833.4A CN101877610B (en) | 2010-06-21 | 2010-06-21 | Method and device for realizing pilot beacon |
| PCT/CN2010/077474 WO2011160353A1 (en) | 2010-06-21 | 2010-09-29 | Method and device for implementing pseudo pilot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010211833.4A CN101877610B (en) | 2010-06-21 | 2010-06-21 | Method and device for realizing pilot beacon |
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| CN101877610A CN101877610A (en) | 2010-11-03 |
| CN101877610B true CN101877610B (en) | 2014-09-10 |
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|---|---|---|---|
| CN201010211833.4A Active CN101877610B (en) | 2010-06-21 | 2010-06-21 | Method and device for realizing pilot beacon |
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| CN (1) | CN101877610B (en) |
| WO (1) | WO2011160353A1 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6621811B1 (en) * | 1999-02-02 | 2003-09-16 | Nortel Networks Limited | Method and system for generating multiple pilot beacons of different frequencies from a single pilot beacon |
| CN1735265A (en) * | 2004-08-13 | 2006-02-15 | 华为技术有限公司 | Different frequency switching method in CDMA communication system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2410396A (en) * | 2004-01-20 | 2005-07-27 | Ubinetics Ltd | Pilot signal manipulation in transmit diversity communications |
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2010
- 2010-06-21 CN CN201010211833.4A patent/CN101877610B/en active Active
- 2010-09-29 WO PCT/CN2010/077474 patent/WO2011160353A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6621811B1 (en) * | 1999-02-02 | 2003-09-16 | Nortel Networks Limited | Method and system for generating multiple pilot beacons of different frequencies from a single pilot beacon |
| CN1735265A (en) * | 2004-08-13 | 2006-02-15 | 华为技术有限公司 | Different frequency switching method in CDMA communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101877610A (en) | 2010-11-03 |
| WO2011160353A1 (en) | 2011-12-29 |
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