US 12,225,481 B2
Transmission power control for distributed-tone resource units and multi-resource units in 6GHz low-power indoor systems
Shengquan Hu, San Jose, CA (US); Jianhan Liu, San Jose, CA (US); Gary A. Anwyl, San Jose, CA (US); and Thomas Edward Pare, Jr., San Jose, CA (US)
Assigned to MediaTek Singapore Pte. Ltd., Singapore (SG)
Filed by MediaTek Singapore Pte. Ltd., Singapore (SG)
Filed on Mar. 15, 2022, as Appl. No. 17/695,181.
Claims priority of provisional application 63/200,632, filed on Mar. 19, 2021.
Prior Publication US 2022/0312345 A1, Sep. 29, 2022
Int. Cl. H04W 52/36 (2009.01); H04W 52/24 (2009.01); H04W 80/02 (2009.01); H04W 84/10 (2009.01)
CPC H04W 52/367 (2013.01) [H04W 52/242 (2013.01); H04W 80/02 (2013.01); H04W 84/10 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method, comprising:
distributing subcarriers of a resource unit (RU) or multi-resource unit (MRU) over a physical-layer protocol data unit (PPDU) bandwidth or a frequency subblock of a bandwidth to generate a distributed-tone RU (dRU) or distributed MRU (dMRU) associated with an uplink (UL) trigger-based (TB) PPDU comprising at least an extremely-high-throughput (EHT) short training field (EHT-STF), an EHT long training field (EHT-LTF), and a payload of data; and
transmitting the dRU or dMRU associated with the UL TB PPDU with transmission power control (TPC) such that symbols associated with the EHT-STF are transmitted with a first power and symbols associated with the EHT-LTF and the payload are transmitted with a second power,
wherein an actual transmission power of the dRU or dMRU associated with the UL TB PPDU is limited to a minimum among:
a downlink (DL) path loss (PL) plus a target received signal strength indicator (RSSI),
a maximum allowed transmission power for the symbols associated with the EHT-LTF and the payload, and
a maximum allowed transmission power in a 6 GHz low-power indoor (LPI) system.