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Shared spectrum access for broadcast and bi-directional, packet-switched communications

專利號
US11234288B2
公開日期
2022-01-25
申請人
Coherent Logix, Incorporated（US TX Austin）
發(fā)明人
Kevin A. Shelby; Durga P. Prasad; Sandeep Mavuduru Kannappa; Mark Earnshaw
IPC分類
H04W76/28; H04W16/14; H04W72/00; H04W72/04
技術領域
eutra,atsc,broadcast,ue,ngbp,in,station,drx,may,3.0
地域： TX TX Austin

摘要

Techniques are disclosed relating to spectrum sharing between different radio access technologies. In some embodiments, a broadcast base station is configured to wirelessly broadcast audio and video data to a plurality of broadcast receiver devices using a particular frequency band. In these embodiments, the broadcast base station is configured to discontinue broadcasting in the particular frequency band during a scheduled time interval, to enable one or more cellular base stations to perform cellular packet-switched wireless data communications using the particular frequency band.

說明書

One exemplary DRX configuration sets the DRX cycle length to 256 ms and the DRX On Duration Timer to 100 ms. By appropriately setting the DRX cycle start offset (e.g. to 153) and using a time-aligned ATSC 3.0 physical layer frame with a length of 150 ms, the exemplary time-division multiplexing of ATSC 3.0 and EUTRA transmissions as shown in the following table may be achieved. The use of a time-aligned ATSC 3.0 frame here is not mandatory; for example, a symbol-aligned ATSC 3.0 frame of the appropriate length may be used instead.

Relative Time Period Transmission Activity 0-150 ms ATSC 3.0 physical layer frame 150-153 ms Guard period between ATSC 3.0 and EUTRA 153-253 ms EUTRA transmissions 253-256 ms Guard period between EUTRA and ATSC 3.0 256+ ms Transmission cycle repeats

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