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Contention-based transmission with contention-free feedback to reduce delay in LTE Advanced networks and enhanced PUCCH
Contention-based transmission with contention-free feedback to reduce delay in LTE Advanced networks and enhanced PUCCH
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机译:基于竞争的传输和无竞争的反馈,可减少LTE Advanced网络和增强型PUCCH中的延迟
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摘要
Methods for contention-based transmission with contention-free feedback for reduced latency in LTE Advanced networks and an enhanced PUCCH are generally disclosed herein. User equipment (UE) may transmit a contention sequence on a physical uplink control channel (PUCCH) to an enhanced-Node B (eNB) and may concurrently transmit data requesting uplink resources on a physical uplink shared channel (PUSCH) to the eNB. The contention sequence is transmitted on the PUCCH in accordance with a format that is assigned by the eNB. The contention sequence is either randomly selected by the UE or assigned by the eNB. When the contention sequence and data are not successfully received by the eNB, the UE may fall back to a more conventional random access channel (RACH) procedure for uplink resource allocation.
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