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Sub-band selection at cellular base station for non-overlapped or partially overlapped full duplex operation

專利號
US12200629B2
公開日期
2025-01-14
申請人
AT&T Intellectual Property I, L.P.（US GA Atlanta）
發(fā)明人
Aditya Chopra; Salam Akoum; Thomas Novlan
IPC分類
H04W72/04; H04L5/00; H04L5/14; H04W52/24; H04W72/0446; H04W72/541
技術領域
receiver,or,band,sub,duplex,in,network,self,channel,be
地域： GA GA Atlanta

摘要

Aspects of the subject disclosure may include, for example, determining a self-interference channel response of a transceiver of a mobile base station having a transmitter and a receiver. The self-interference channel response spans multiple sub-bands of a predetermined mobile cellular frequency channel. A first sub-band of the multiple sub-bands is identified according to the self-interference channel response and, an estimate is determined, at the receiver, of a first coupled transmit power level of the transmitter when operating within the first sub-band. A receiver sensitivity is adjusted according to the first coupled transmit power level to obtain an adjustment adapted to increase receiver sensitivity, while restricting operation of the receiver to a substantially linear region. The adjustment allows a transmission within the first sub-band and a reception within a second sub-band of the plurality of sub-bands to occur simultaneously at the mobile base station. Other embodiments are disclosed.

說明書

In at least some embodiments, the full-duplex controller 245 may initiate configuration of the mobile cellular communications transceiver 240 for full-duplex operation. Full-duplex operation may include operation of collocated transmitter and receiver within a common operational frequency band, including any of the example frequency bands disclosed herein. In at least some instances, full-duplex operation includes a transmitter operating within a transmit sub-band and a receiver contemporaneously operating within a receive sub-band. The transmit and receive sub-bands both reside within the common operational frequency band. Full-duplex operation may be supported when the transmit and receive bands are not overlapping, e.g., adjacent to each other and/or separated by one or more interstitial sub-bands. In at least some embodiments, full-duplex operation may be supported within the transmit and receive bands are at least partially overlapping, e.g., immediately adjacent sub-channels, and/or sub-channels that at least partially overlap.

權利要求

1
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