RSVP/SBM BASED UP-STREAM SESSION SETUP, MODIFICATION, AND TEARDOWN FOR QOS-DRIVEN WIRELESS LANS
First Claim
1. A method for setting up an up-stream communication session in a basic service set (BSS) in a wireless network, the communication session having a defined Quality of Service (QoS), the method comprising:
- detecting a first message of a protocol at a designated subnet bandwidth manager (DSBM) in a station having a point coordinator (PC), the first message originating from an agent of a host outside the BSS, and requesting for setting up an up-stream session between a source non-PC station in the BSS and the station having the PC;
extracting at the DSBM a QoS parameter set and a classifier from the first message;
determining at the DSBM whether to admit the up-stream session to the network based on the QoS parameter set defining the session and a channel status report on a medium access control (MAC) sublayer of the BSS; and
when the up-stream session is admitted, setting up by a QoS management entity (QME) of the station having the PC, a virtual up-stream (VUS) between the source non-PC station and the station having the PC for transporting up-stream session traffic.
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Accused Products
Abstract
A method and system is disclosed for setting up, modifying and tearing down an up-stream communication session in a basic service set (BSS) in a wireless local area network (WLAN), so that the communication session has a defined Quality of Service (QoS). Regarding setting up an up-stream communication session, a first Path message and a first Resv message (Path/Resv message) of a RSVP protocol are detected at a designated subnet bandwidth manager (DSBM) in a station having a point coordinator (PC). The first Resv message originates from a RSVP agent of a host outside the BSS, and is a request for setting up an up-stream session between a source non-PC station in the BSS and the PC station. A QoS parameter set and a classifier from the first Path/Resv message for the session are extracted at the DSBM. The DSBM determines whether to admit the up-stream session to the network based on the QoS parameter set defining the session and a channel status report on a medium access control (MAC) sublayer of the BSS. When the up-stream session is admitted, a QoS management entity (QME) of the PC station sets up a virtual up-stream (VUS) between the source non-PC station and the PC station for transporting the up-stream session traffic. The DSBM is part of the QME in the PC station.
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Citations
20 Claims
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1. A method for setting up an up-stream communication session in a basic service set (BSS) in a wireless network, the communication session having a defined Quality of Service (QoS), the method comprising:
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detecting a first message of a protocol at a designated subnet bandwidth manager (DSBM) in a station having a point coordinator (PC), the first message originating from an agent of a host outside the BSS, and requesting for setting up an up-stream session between a source non-PC station in the BSS and the station having the PC; extracting at the DSBM a QoS parameter set and a classifier from the first message; determining at the DSBM whether to admit the up-stream session to the network based on the QoS parameter set defining the session and a channel status report on a medium access control (MAC) sublayer of the BSS; and when the up-stream session is admitted, setting up by a QoS management entity (QME) of the station having the PC, a virtual up-stream (VUS) between the source non-PC station and the station having the PC for transporting up-stream session traffic. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A point coordinator (PC) station in a basic service set (BSS) in a wireless network, the PC station comprising:
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a designated subnet bandwidth manager (DSBM) detecting a first message of a protocol, the first message originating from an agent of a host outside the BSS and requesting to set up an up-stream session between a source non-PC station in the BSS and the PC station, the DSBM extracting a Quality of Service (QoS) parameter set and a classifier from the first message, and determining whether to admit the up-stream session to the network based on the QoS parameter set defining the session and a channel status report on a medium access control (MAC) sublayer of the BSS; and a QoS management entity (QME), responsive to the an admitted up-stream session, by setting up a virtual up-stream (VUS) between the source non-PC station and the PC station for transporting up-stream session traffic. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification