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Emergency data transmission over unlicensed radio frequency spectrum band

專(zhuān)利號(hào)
US10034313B2
公開(kāi)日期
2018-07-24
申請(qǐng)人
QUALCOMM Incorporated(US CA San Diego)
發(fā)明人
Xiaoxia Zhang; Tao Luo; Jun Wang
IPC分類(lèi)
H04M11/04; H04W76/00; H04L12/18; H04W74/08; H04W74/00; H04W74/02; H04W76/50; H04W4/90; H04W72/04
技術(shù)領(lǐng)域
unlicensed,emergency,spectrum,lbt,cca,band,radio,node,lte,may
地域: CA CA San Diego

摘要

Techniques are described for wireless communication. A first method includes determining that a first node associated with a first operator in a deployment of operators has emergency data to transmit over an unlicensed radio frequency spectrum band and transmitting, by the first node, a signal over the unlicensed radio frequency spectrum band. The signal may indicate that the first node has emergency data to transmit. A second method includes receiving, at a first base station associated with a first operator in a deployment of operators, an uplink transmission from a user equipment (UE) indicating that the UE has emergency uplink data to transmit over an unlicensed radio frequency spectrum band and transmitting, by the first base station, an indication to a second base station that the UE has emergency uplink data to transmit over the unlicensed radio frequency spectrum band.

說(shuō)明書(shū)

FIG. 5 shows an example of how an N/K protocol may be applied to the transmitting apparatuses (e.g., base stations and/or user equipments (UEs)) of different asynchronous operators, in accordance with various aspects of the present disclosure;

FIG. 6 shows an example of resource allocations for clear channel assessment (CCA)-Exempt Transmissions (CETs) of synchronous operators in an unlicensed radio frequency spectrum band, in accordance with various aspects of the present disclosure;

FIG. 7 shows an example of resource allocations for CETs of asynchronous operators (e.g., Operator 1, Operator 2, and/or Operator 3) in an unlicensed radio frequency spectrum band, in accordance with various aspects of the present disclosure

FIG. 8 shows an example of how the three different asynchronous operators shown in FIG. 7 (e.g., Operator 1, Operator 2, and Operator 3) might be affected when a first of the operators (e.g., Operator 1) adjusts an LBT yielding parameter, in accordance with various aspects of the present disclosure;

FIG. 9 shows an example of wireless communication over an unlicensed radio frequency spectrum band, in accordance with various aspects of the present disclosure;

FIG. 10 shows an example of wireless communication over an unlicensed radio frequency spectrum band, in accordance with various aspects of the present disclosure;

權(quán)利要求

1
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