CA2517821A1 - Voice and data wireless communications network and method - Google Patents

Voice and data wireless communications network and method Download PDF

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Publication number
CA2517821A1
CA2517821A1 CA002517821A CA2517821A CA2517821A1 CA 2517821 A1 CA2517821 A1 CA 2517821A1 CA 002517821 A CA002517821 A CA 002517821A CA 2517821 A CA2517821 A CA 2517821A CA 2517821 A1 CA2517821 A1 CA 2517821A1
Authority
CA
Canada
Prior art keywords
packet
packets
priority level
access point
transmission queue
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002517821A
Other languages
French (fr)
Other versions
CA2517821C (en
Inventor
Robert E. Beach
Jason T. Harris
Richard C. Montgomery
Wanda Sealander
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Symbol Technologies LLC
Original Assignee
Symbol Technologies, Inc.
Robert E. Beach
Jason T. Harris
Richard C. Montgomery
Wanda Sealander
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24513158&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2517821(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Symbol Technologies, Inc., Robert E. Beach, Jason T. Harris, Richard C. Montgomery, Wanda Sealander filed Critical Symbol Technologies, Inc.
Publication of CA2517821A1 publication Critical patent/CA2517821A1/en
Application granted granted Critical
Publication of CA2517821C publication Critical patent/CA2517821C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/2425—Traffic characterised by specific attributes, e.g. priority or QoS for supporting services specification, e.g. SLA
    • H04L47/2433—Allocation of priorities to traffic types
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/50—Queue scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/50—Queue scheduling
    • H04L47/52—Queue scheduling by attributing bandwidth to queues
    • H04L47/521—Static queue service slot or fixed bandwidth allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/50—Queue scheduling
    • H04L47/56—Queue scheduling implementing delay-aware scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/50—Queue scheduling
    • H04L47/62—Queue scheduling characterised by scheduling criteria
    • H04L47/621—Individual queue per connection or flow, e.g. per VC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/50—Queue scheduling
    • H04L47/62—Queue scheduling characterised by scheduling criteria
    • H04L47/622—Queue service order
    • H04L47/6225—Fixed service order, e.g. Round Robin
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/50—Queue scheduling
    • H04L47/62—Queue scheduling characterised by scheduling criteria
    • H04L47/622—Queue service order
    • H04L47/623—Weighted service order
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • 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
    • H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Abstract

In a method and system, a priority level is determined for each of a plurality of packets, the packets are arranged from a highest priority level to a lowest priority level, and the packets are wirelessly transmitted over a communications medium. In these method and system, the packets having the highest priority level are transmitted prior to packets having the lowest priority level.

Claims (44)

1. A method, comprising:
determining a priority level of each of a plurality of packets;
arranging the packets from a highest priority level to a lowest priority level; and wirelessly transmitting the packets over a communications medium, wherein packets having the highest priority level are transmitted prior to packets having the lowest priority level.
2. The method of claim 1, wherein the priority level of each packet is determined based on priority information in each packet.
3. The method of claim 2, wherein the priority information includes a type of each packet.
4. The method of claim 3, wherein the type of each packet includes one of a data packet, a voice packet and a management packet.
5. The method of claim 2, wherein the priority level of each packet is determined based on an assigned priority level of each packet.
6. The method of claim 2, wherein the priority level of each packet is determined based on a reference to other data indicating the priority level.
7. The method of claim 6, wherein the other data is a protocol of the packet.
8. The method of claim 6, wherein the other data is a destination of the packet.
9. The method of claim 2, wherein the priority information includes one of a length of each packet and a flag in each packet.
10. The method of claim 1, wherein the packets are arranged in a transmission queue based on the priority level.
11. The method of claim 10, wherein the transmission queue is a plurality of transmission queues, each transmission queue corresponding to one of the priority levels for the packets.
12. The method of claim 10, wherein the transmission queue is a plurality of transmission queues, each transmission queue corresponding to a destination of the packets.
13. The method of claim 1, further comprising:
arranging the packets based on a time of receipt of each packet.
14. A system, comprising:
a plurality of remote terminals, each terminal including a receiver to receive wirelessly transmitted packets; and an access point receiving the packets from a communication medium, each of the packets having a destination of one of the remote terminals, the access point further determining a priority level of each of the packets, arranging the packets from a highest priority level to a lowest priority level and wirelessly transmitting each packet to the destination remote terminal, wherein packets having the highest priority level are transmitted prior to packets having the lowest priority level.
15. The system of claim 14, wherein the access point includes at least one protocol layer for determining the priority level of each packet.
16. The system of claim 14, wherein the access point determines the priority level of each packet based on priority information in each packet.
17. The system of claim 16, wherein the priority information includes a type of each packet.
18. The system of claim 17, wherein the type of each packet includes one of a data packet, a voice packet and a management packet.
19. The system of claim 14, wherein the access point determines the priority level of each packet based on an assigned priority level of each packet.
20. The system of claim 14, wherein the access point determines the priority level of each packet based on a reference to other data indicating the priority level.
21. The system of claim 20, wherein the other data is a protocol of the packet.
22. The system of claim 20, wherein the other data is a destination of the packet.
23. The system of claim 16, wherein the priority information includes one of a length of each packet and a flag in each packet.
24. The system of claim 14, wherein the access point includes a transmission queue and the packets are arranged in the transmission queue based on the priority level.
25. The system of claim 24, wherein the transmission queue is a plurality of transmission queues, each transmission queue corresponding to one of the remote terminals, the packets being arranged based on the priority level in the transmission queue corresponding to the destination remote terminal of each packet.
26. The system of claim 14, wherein the packets are further arranged based on a time of receipt of each packet by the access point.
27. The system of claim 14, wherein the access point receives further packets, determines the priority level of each of the further packets, arranges the further packets from the highest priority level to the lowest priority level, and wirelessly transmitting each further packet to the destination remote terminal, wherein further packets having the highest priority level are transmitted prior to un-transmitted packets having the lowest priority level.
28. The system of claim 14, wherein at least one of the remote terminals wirelessly transmits additional packets to the access point, the remote terminal arranging the additional packets from the highest priority level to the lowest priority level and transmitting the additional packets having the highest priority level prior to the additional packets having the lowest priority level.
29. An access point, comprising:
at least one protocol layer to receive packets from a communication medium, each of the packets having a remote terminal destination, the protocol layer further determining a priority level of each of the packets and arranging the packets from a highest priority level to a lowest priority level; and a transmitter to wirelessly transmit each packet to a destination remote terminal, wherein packets having the highest priority level are transmitted prior to packets having the lowest priority level.
30. The access point of claim 29, wherein the protocol layer determines the priority level of each packet based on priority information in each packet.
31. The access point of claim 30, wherein the priority information includes a type of each packet.
32. The access point of claim 31, wherein the type of each packet includes one of a data packet, a voice packet and a management packet.
33. The access point of claim 29, wherein the protocol layer determines the priority level of each packet based on an assigned priority level of each packet.
34. The access point of claim 29, wherein the protocol layer determines the priority level of each packet based on a reference to other data indicating the priority level.
35. The access point of claim 34, wherein the other data is a protocol of the packet.
36. The access point of claim 34, wherein the other data is a destination of the packet.
37. The access point of claim 30, wherein the priority information includes one of a length of each packet and a flag in each packet.
38. The access point of claim 29, further comprising:
a transmission queue to store the packets in an order the packets are arranged by the protocol layer.
39. The access point of claim 38, wherein the transmission queue is a plurality of transmission queues, each transmission queue corresponding to a destination for the packets.
40. The access point of claim 38, wherein the transmission queue is a plurality of transmission queues, each transmission queue corresponding to one of the priority levels of the packets.
41. The access point of claim 29, wherein the packets are further arranged by the protocol layer based on a time of receipt of each packet by the access point.
42. The access point of claim 29, wherein the protocol layer receives further packets, determines the priority level of each of the further packets, arranges the further packets from the highest priority level to the lowest priority level, and the transmitter wirelessly transmits each further packet to the destination remote terminal, wherein further packets having the highest priority level are transmitted prior to un-transmitted packets having the lowest priority level.
43. The access point of claim 29, wherein the transmitter is a transceiver.
44. A method, comprising:
determining a priority level of each of a plurality of packets;
arranging the packets from a highest priority level to a lowest priority level; and attempting to wirelessly transmit the packets over a communications medium, wherein packets having the highest priority level are attempted prior to packets having the lowest priority level.
CA2517821A 2000-07-27 2001-07-27 Voice and data wireless communications network and method Expired - Fee Related CA2517821C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/627,092 2000-07-27
US09/627,092 US6404772B1 (en) 2000-07-27 2000-07-27 Voice and data wireless communications network and method
CA2389109A CA2389109C (en) 2000-07-27 2001-07-27 Voice and data wireless communications network and method

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2389109A Division CA2389109C (en) 2000-07-27 2001-07-27 Voice and data wireless communications network and method

Publications (2)

Publication Number Publication Date
CA2517821A1 true CA2517821A1 (en) 2002-02-07
CA2517821C CA2517821C (en) 2011-01-25

Family

ID=24513158

Family Applications (4)

Application Number Title Priority Date Filing Date
CA002517832A Abandoned CA2517832A1 (en) 2000-07-27 2001-07-27 Voice and data wireless communications network and method
CA2517821A Expired - Fee Related CA2517821C (en) 2000-07-27 2001-07-27 Voice and data wireless communications network and method
CA2389109A Expired - Fee Related CA2389109C (en) 2000-07-27 2001-07-27 Voice and data wireless communications network and method
CA002517825A Expired - Fee Related CA2517825C (en) 2000-07-27 2001-07-27 Voice and data wireless communications network and method

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002517832A Abandoned CA2517832A1 (en) 2000-07-27 2001-07-27 Voice and data wireless communications network and method

Family Applications After (2)

Application Number Title Priority Date Filing Date
CA2389109A Expired - Fee Related CA2389109C (en) 2000-07-27 2001-07-27 Voice and data wireless communications network and method
CA002517825A Expired - Fee Related CA2517825C (en) 2000-07-27 2001-07-27 Voice and data wireless communications network and method

Country Status (9)

Country Link
US (5) US6404772B1 (en)
EP (4) EP1210830B1 (en)
JP (4) JP4128445B2 (en)
KR (4) KR100754859B1 (en)
AU (4) AU781434B1 (en)
BR (4) BRPI0107091B1 (en)
CA (4) CA2517832A1 (en)
DE (1) DE60117800T2 (en)
WO (1) WO2002011476A1 (en)

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