Apparatus and methods for multi-AP joint transmission and reception
AssigneeNXP USA, Inc.
InventorsYoung Hoon Kwon, Liwen Chu, Sudhir Srinivasa, Hongyuan Zhang, Huiling Lou
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Abstract
Various embodiments relate to a system and method for joint sounding by a client with a master access point (AP) and a slave (AP), including: receiving a message from the master AP; applying network allocation vector (NAV) rules to update a NAV values, wherein the received message is treated as an intra-basic service set (BSS) message when the transmit address (TA) of the received message has a prespecified value; receiving a first trigger frame; and transmitting a first channel state information (CSI) to the master AP when the channel is idle based upon the updated NAV value in response to the trigger frame.
Claims9
A method for joint sounding by a client with a master access point (AP) and a slave AP, comprising:
- receiving a message from the master AP;
- applying network allocation vector (NAV) rules to update NAV values, wherein the received message which is identified as inter-BSS causes an intra-basic service set (BSS) NAV to be set based on the updated NAV values when a transmit address (TA) of the received message has a prespecified value;
- receiving a first trigger frame identified as inter-BSS, the trigger frame having a TA with the prespecified value;
- and
- transmitting a first channel state information (CSI) to the master AP when the channel is idle based on the updated NAV values of the intra-BSS NAV in response to the trigger frame.
A method for joint sounding by a client with a master access point (AP) and a slave (AP), comprising:
- receiving a message from the master AP;
- applying network allocation vector (NAV) rules to update a NAV values, wherein the received message which is identified as inter-BSS causes an intra-basic service set (BSS) NAV to be set based on the updated NAV values when a transmit address (TA) of the received message being equal to the TA of any of APs participating in the joint sounding,
- a receive address (RA) field being set to a broadcast address, and
- a client identifier for the client being included in the first message;
- receiving a first trigger frame identified as inter-BSS, the trigger frame having a TA with the prespecified value;
- and
- transmitting a first channel state information (CSI) to the master AP when the channel is idle based on the updated NAV value of the intra-BSS NAV in response to the trigger frame.
Dependencies are inferred from the claim text.