Admission control for QoS-driven wireless LANs
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IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04W-004/00
H04W-028/26
H04W-074/06
H04W-028/02
H04W-072/08
출원번호
US-0665987
(2015-03-23)
등록번호
US-9686720
(2017-06-20)
발명자
/ 주소
Ho, Jin-Meng
Lin, Wei
출원인 / 주소
AT&T Intellectual Property II, L.P.
인용정보
피인용 횟수 :
0인용 특허 :
148
초록▼
A method and system for a quality of service (QoS) point coordinator (PC) for a basic service set (BSS) in a wireless local area network (WLAN) is disclosed. For example, the PC includes a QoS management entity (QME) and an admission control entity (ACE). The QME receives at least one reservation re
A method and system for a quality of service (QoS) point coordinator (PC) for a basic service set (BSS) in a wireless local area network (WLAN) is disclosed. For example, the PC includes a QoS management entity (QME) and an admission control entity (ACE). The QME receives at least one reservation request message that characterizes one of a QoS session and QoS application (session/application) that can be of a continuous/periodic flow type that is time sensitive, or can be of a discontinuous/bursty flow type that is time tolerant. The reservation request message contains at least one QoS parameter set and requests a resource of a communication channel in the BSS for the QoS session/application.
대표청구항▼
1. A point coordinator for a basic service set in a wireless network, the point coordinator comprising: a management entity for receiving a reservation request, wherein the reservation request comprises a quality of service parameter set and a request for requesting a resource of a communication cha
1. A point coordinator for a basic service set in a wireless network, the point coordinator comprising: a management entity for receiving a reservation request, wherein the reservation request comprises a quality of service parameter set and a request for requesting a resource of a communication channel in the basic service set for a quality of service session;an admission control entity for performing bandwidth management for quality of service traffic transport of the quality of service session over a medium access control sublayer for the communication channel, and for determining whether to grant the reservation request based on the quality of service parameter set associated with the quality of service session; anda frame schedule entity for providing the management entity with channel status information related to a contention-free period and a channel bandwidth. 2. The point coordinator of claim 1, wherein the quality of service session comprises a continuous flow type. 3. The point coordinator of claim 1, wherein the quality of service session comprises a periodic flow type. 4. The point coordinator of claim 1, wherein the quality of service session comprises a flow type that is time sensitive. 5. The point coordinator of claim 1, wherein the quality of service session comprises a discontinuous flow type. 6. The point coordinator of claim 1, wherein the quality of service session comprises a bursty flow type. 7. The point coordinator of claim 1, wherein the quality of service session comprises a flow type that is time tolerant. 8. The point coordinator of claim 1, wherein the communication channel is organized into superframes, where each of the superframes comprises a respective contention-free period and a respective contention-period. 9. The point coordinator of claim 1, wherein the channel bandwidth comprises a useable total channel bandwidth. 10. The point coordinator of claim 1, wherein the channel bandwidth comprises a channel bandwidth used for a continuous flow type. 11. The point coordinator of claim 1, wherein the channel bandwidth comprises a channel bandwidth used for a periodic flow type. 12. The point coordinator of claim 1, wherein the channel bandwidth comprises a channel bandwidth used for a discontinuous flow type. 13. The point coordinator of claim 1, wherein the channel bandwidth comprises a channel bandwidth used for a bursty flow type. 14. The point coordinator of claim 1, wherein the quality of service parameter set comprises a mean data rate, and wherein an admission control is based on the mean data rate. 15. The point coordinator of claim 1, wherein the wireless network comprises a wireless local area network. 16. The point coordinator of claim 8, wherein the reservation request is for requesting a predetermined bandwidth of each contention-free period of the communication channel in the basic service set. 17. A method for controlling access to a communication channel in a basic service set in a wireless network, the method comprising: receiving, by a point coordinator, a reservation request, wherein the reservation request comprises a quality of service parameter set and a request for requesting a resource of a communication channel in the basic service set for a quality of service session;performing, by the point coordinator, bandwidth management for quality of service traffic transport of the quality of service session over a medium access control sublayer for the communication channel by determining whether to grant the reservation request based on the quality of service parameter set associated with the quality of service session; andgenerating, by the point coordinator, channel status information related to a contention-free period and a channel bandwidth. 18. The method of claim 17, wherein the quality of service session comprises a flow type that is time sensitive. 19. The method of claim 17, wherein the channel bandwidth comprises at least one of: a useable total channel bandwidth, a channel bandwidth used for a continuous flow type, and a channel bandwidth used for a discontinuous flow type. 20. The method of claim 17, wherein the quality of service parameter set comprises a mean data rate that is used in performing admission control.
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