Systems and methods for fractional carrier sense multiple access with collision avoidance (CSMA/CA) for WLANS
First Claim
1. An interference management method, performed by an access point (AP) associated with a first basic service set (BSS) in a Wireless Local Area Network (WLAN), the method comprising:
- determining if a first station (STA), associated with the first BSS, is an edge STA or a non-edge STA and accordingly grouping the first STA into an edge group or a non-edge group;
receiving information from a second BSS, wherein the information includes at least a beacon interval period and beacon time offset periods for a plurality of BSSs; and
coordinating channel access for a plurality of STAs associated with the first BSS, wherein the channel access is coordinated to minimize interference of the STA and is based at least on the received information.
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Abstract
Systems, methods, and instrumentalities are described to implement an interference management method in a WLAN. An access point (AP) or an inter-BSS coordinator (IBC) may identify a station (STA) associated with a first basic service set (BSS) as an edge STA or a non-edge STA The AP or the IBC may group the edge STA into an edge group and a non-edge STA into a non-edge group. The AP or the IBC may receive information associated with a second BSS. The AP or the IBC may coordinate access of the edge group and/or the non-edge group. The access may be coordinated to minimize interference of the edge STA. The access may be based at least on the received information associated with the second BSS The AP or the IBC may adjust transmit power of a plurality of STAs identified as edge group STAs and non-edge group STAs.
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Citations
16 Claims
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1. An interference management method, performed by an access point (AP) associated with a first basic service set (BSS) in a Wireless Local Area Network (WLAN), the method comprising:
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determining if a first station (STA), associated with the first BSS, is an edge STA or a non-edge STA and accordingly grouping the first STA into an edge group or a non-edge group; receiving information from a second BSS, wherein the information includes at least a beacon interval period and beacon time offset periods for a plurality of BSSs; and coordinating channel access for a plurality of STAs associated with the first BSS, wherein the channel access is coordinated to minimize interference of the STA and is based at least on the received information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An access point (AP) associated with a first basic service set (BSS), the AP comprising:
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a processor; and a memory comprising instructions that when executed by the processor cause the AP to; determine if a first station (STA), associated with the first BSS, is an edge STA or a non-edge STA and accordingly group the first STA into an edge group or a non-edge group; receive information from a second BSS, wherein the information includes at least a beacon interval period and beacon time offset periods for a plurality of BSSs; and coordinate channel access for a plurality of STAs associated with the first BSS, wherein the channel access is coordinated to minimize interference of the STA and is based at least on the received information associated with the second BSS. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification