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Emergency data transmission over unlicensed radio frequency spectrum band

專利號
US10034313B2
公開日期
2018-07-24
申請人
QUALCOMM Incorporated（US CA San Diego）
發(fā)明人
Xiaoxia Zhang; Tao Luo; Jun Wang
IPC分類
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.

說明書

In some examples of the method, the uplink transmission from the UE may include an uplink CET. In some examples of the method, the indication to the second base station may include a downlink CET and/or a transmission at a beginning of an LBT burst.

In a sixth set of illustrative examples, an apparatus for wireless communication is described. In one example, the apparatus may include means for receiving, at a first base station associated with a first operator in a deployment of operators, an uplink transmission from a UE indicating that the UE has emergency uplink data to transmit over an unlicensed radio frequency spectrum band. The apparatus may also include means for 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. In some examples, the apparatus may further include means for implementing one or more aspects of the method for wireless communication described above with respect to the fifth set of illustrative examples.

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