In-band QoS signaling reference model for QoS-driven wireless LANs connected to one or more networks
First Claim
1. An arrangement allowing communication between two stations across a plurality of networks, the arrangement comprising:
- a first network having a first basic service set (BSS); and
a second network having a second basic service set (BSS);
wherein each of the first and second BSSs includes;
a) a point coordinator (PC) station constituting a portion of the BSS, the PC station including;
1) a frame classification entity (FCE) logically located in a logical link control (LLC) layer of the station and having a classification table containing at least one classifier entry, each classifier entry containing a virtual stream identifier (VSID) and a frame classifier associated with a user session, the FCE receiving a data frame associated with the user session, the data frame containing in-band quality of service (QoS) signaling information for the user session, the FCE classifying the received data frame to a selected VSID contained in a classifier entry in the classification table based on a match between an in-band frame classification information contained in the received data frame and the frame classifier contained in the classifier entry;
2) a frame scheduling entity (FSE) logically located in a medium access control (MAC) sublayer of the station and having a frame scheduling table containing at least one entry, each entry containing a VSID and a QoS parameter set having at least one QoS parameter value associated with a user session identified by the VSID, the FSE, responsive to the classified data frame, scheduling a transmission opportunity (TO) for the classified data frame based on at least one QoS parameter value associated with the VSID and characterizing the user session; and
3) a QoS management entity (QME) that interfaces with the FCE and the FSE; and
b) a non-point coordinator (non-PC) station constituting a portion of the BSS, the non-PC station including;
1) an FCE; and
2) a QME.
1 Assignment
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Accused Products
Abstract
A station, such as a point coordinator (PC) or a non-PC station, in a basic service set (BSS) in a wireless local area network (WLAN) includes a frame classification entity (FCE), a frame scheduling entity (FSE) and a QoS management entity (QME). The FCE contains at least one classifier entry with a virtual stream identifier (VSID) and a frame classifier. A received data frame containing in-band quality of service (QoS) signaling information is classified to a selected VSID contained in a classifier entry in a classification table based on a match between an in-band frame classification information contained in a received frame and a frame classifier contained in the classifier entry. The FSE has a frame scheduling table containing at least one entry containing a VSID and a QoS parameter set identified by the VSID and schedules a transmission opportunity (TO) for the classified data frame.
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Citations
20 Claims
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1. An arrangement allowing communication between two stations across a plurality of networks, the arrangement comprising:
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a first network having a first basic service set (BSS); and a second network having a second basic service set (BSS); wherein each of the first and second BSSs includes; a) a point coordinator (PC) station constituting a portion of the BSS, the PC station including; 1) a frame classification entity (FCE) logically located in a logical link control (LLC) layer of the station and having a classification table containing at least one classifier entry, each classifier entry containing a virtual stream identifier (VSID) and a frame classifier associated with a user session, the FCE receiving a data frame associated with the user session, the data frame containing in-band quality of service (QoS) signaling information for the user session, the FCE classifying the received data frame to a selected VSID contained in a classifier entry in the classification table based on a match between an in-band frame classification information contained in the received data frame and the frame classifier contained in the classifier entry; 2) a frame scheduling entity (FSE) logically located in a medium access control (MAC) sublayer of the station and having a frame scheduling table containing at least one entry, each entry containing a VSID and a QoS parameter set having at least one QoS parameter value associated with a user session identified by the VSID, the FSE, responsive to the classified data frame, scheduling a transmission opportunity (TO) for the classified data frame based on at least one QoS parameter value associated with the VSID and characterizing the user session; and 3) a QoS management entity (QME) that interfaces with the FCE and the FSE; and b) a non-point coordinator (non-PC) station constituting a portion of the BSS, the non-PC station including; 1) an FCE; and 2) a QME. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method using in-band quality of service (QoS) signaling for a user session within a plurality of basic service sets (BSSs) in a respective network of a plurality of networks, the method comprising:
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a) in a point coordinator (PC) station in a BSS, performing steps of; 1) forming a classification table that is logically located in a logical link control (LLC) sublayer of a station in the BSS, the classification table containing at least one classifier entry, each classifier entry containing a virtual stream identifier (VSID) and a frame classifier associated with a user session; 2) receiving a data frame associated with the user session, the data frame containing in-band quality of service (QoS) signaling information for the user session; 3) classifying the received data frame to a selected VS contained in a classifier entry in the classification table based on a match between an in-band QoS classification information contained in the received data frame and the frame classifier contained in the classifier entry; 4) forming a frame scheduling table logically located in a medium access control (MAC) sublayer of the PC station, the frame scheduling table containing at least one entry, each entry containing a VSID and at least one corresponding QoS parameter value associated with the user session; and 5) scheduling a transmission opportunity (TO) for the classified data frame based on the at least one QoS parameter value associated the VSID and characterizing the user session; and b) in a non-PC station in the BSS, performing; the classification table forming step; the data frame receiving step; and the data frame classifying step. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification