- 专利标题： Listen-before-talk reservation scheme for wireless communications over unlicensed spectrum
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申请号： US15460538申请日： 2017-03-16
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公开(公告)号： US10154437B2公开(公告)日： 2018-12-11
- 发明人: Naga Bhushan , Durga Prasad Malladi , Yongbin Wei , Peter Gaal , Tao Luo , Tingfang Ji , Gavin Bernard Horn , Wanshi Chen , Aleksandar Damnjanovic
- 申请人： QUALCOMM Incorporated
- 申请人地址： US CA San Diego
- 专利权人： QUALCOMM Incorporated
- 当前专利权人： QUALCOMM Incorporated
- 当前专利权人地址： US CA San Diego
- 代理机构： Holland & Hart LLP
- 主分类号： H04J3/06
- IPC分类号： H04J3/06 ; H04W28/08 ; H04W28/02 ; H04W74/08 ; H04W24/02 ; H04W28/16 ; H04W72/04 ; H04W56/00 ; H04W74/04 ; H04W16/14 ; H04W76/02 ; H04L1/00 ; H04L27/26 ; H04L27/00 ; H04W48/10 ; H04W72/08 ; H04W74/00 ; H04L5/14 ; H04L5/00 ; H04W84/12 ; H04W88/06 ; H04W88/08 ; H04J11/00 ; H04W88/02
摘要：
Methods and apparatuses are described in which an unlicensed spectrum is used for Long Term Evolution (LTE) communications. A first method includes synchronizing clear channel assessment (CCA) slots across a plurality of base stations to determine availability of an unlicensed spectrum for transmissions in a next transmission interval. A second method includes performing a CCA during one of a plurality of CCA slots synchronized across a plurality of evolved Node Bs (eNBs) to determine availability of unlicensed spectrum for transmissions in a next transmission interval.
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