Opinion ID: 4533842
Heading Depth: 3
Heading Rank: 1

Heading: For use in a wireless access network comprising

Text: a plurality of base stations, each of said plurality of base stations capable of bidirectional time division duplex (TDD) communication with wireless access devices disposed at a plurality of subscriber premises in an associated cell site of said wireless access network, a transceiver associated with a first of said plurality of base stations comprising: transmit path circuitry associated with a beam forming network capable of transmitting directed scanning beam signals each directed to substan- tially only wireless access devices within a different one of a plurality of sectors of a cell site associated with said first base station, wherein said transmit path circuitry transmits, at a start of a TDD frame, a broad- cast beam signal to wireless access devices within more than one of said sectors, the broad- cast beam signal comprising a start of frame field, and subsequently transmits, in a downlink portion of said TDD frame, first downlink data traffic to substantially only wireless access devices Case: 19-1855 Document: 45 Page: 4 Filed: 05/13/2020 4 SPRINT SPECTRUM L.P. v. GEN. ACCESS SOLS., LTD. within one of said sectors using one of said di- rected scanning beam signals.