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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)

A transmitting apparatus (or apparatuses) of Operator 3 may perform a ninth CCA 830-a, a tenth CCA 830-b, an eleventh CCA 830-c, and a twelfth CCA 830-d to contend for access to the unlicensed radio frequency spectrum band during a respective ninth LBT frame 825-a, tenth LBT frame 825-b, eleventh LBT frame 825-c, and twelfth LBT frame 825-d. However, because a transmitting apparatus of Operator 1 or Operator 2 is already using the unlicensed radio frequency spectrum band, the ninth CCA 830-a, tenth CCA 830-b, eleventh CCA 830-c, and twelfth CCA 830-d may not be successful, and the transmitting apparatus of Operator 3 may not win contention to access the unlicensed radio frequency spectrum band during the ninth LBT frame 825-a, the tenth LBT frame 825-b, the eleventh LBT frame 825-c, and the twelfth LBT frame 825-d.

權(quán)利要求

1
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