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

專利號(hào)
US11234288B2
公開日期
2022-01-25
申請(qǐng)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(shù)領(lǐng)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(shuō)明書

In some embodiments (not shown), UE 106 is configured to receive wireless broadcasts, e.g., from broadcast base station 102A of FIG. 2. In these embodiments, 106 may include a broadcast radio receiver. In some embodiments, UE 106 is configured to receive broadcast data and perform packet-switched cellular communications (e.g., LTE) at the same time using different frequency bands and/or the same frequency resources during different time slices. This may allow users to view TV broadcasts while performing other tasks such as browsing the internet (e.g., in a split-screen mode), using web applications, or listening to streaming audio. In other embodiments, the disclosed techniques may be used in systems with devices that are configured as broadcast receivers or for cellular communications, but not both.

The processor 402 of the UE device 106 may be configured to implement part or all of the features described herein, e.g., by executing program instructions stored on a memory medium (e.g., a non-transitory computer-readable memory medium). Alternatively (or in addition), processor 402 may be configured as a programmable hardware element, such as an FPGA (Field Programmable Gate Array), or as an ASIC (Application Specific Integrated Circuit). Alternatively (or in addition) the processor 402 of the UE device 106, in conjunction with one or more of the other components 400, 404, 406, 410, 420, 430, 435, 440, 460 may be configured to implement part or all of the features described herein.

FIG. 5—Exemplary Broadcast Frame

權(quán)利要求

1
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