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    • 118. 发明授权
    • Method for reduced-overhead short message transmission
    • 减少开销短消息传输的方法
    • US09107184B2
    • 2015-08-11
    • US13078392
    • 2011-04-01
    • Yang YangXin WangJialin Zou
    • Yang YangXin WangJialin Zou
    • H04Q7/10H04W74/00H04W74/08
    • H04W74/002H04W74/0833
    • For applications with very small data activities, connection of a UE to a wireless network for sending or receiving such small data traffic increments via conventional connection set-up processes is quite inefficient in terms of spectral resource utilization. The invention provides a new connectionless methodology for transmission of such small data increments between a UE and a serving eNB. In particular, the invention methodology contemplates identifying a set of preamble sequences among the pool of preamble sequences provided for access requests from a UE to an eNB via the Random Access Channel as corresponding to a request from the UE for access to transmit an increment of data smaller than a predetermined threshold data size. When a UE has data traffic to transmit of a size smaller than the predetermined threshold size, it selects one of the preamble sequences in the identified set and sends an access request, using the selected preamble sequence, to a serving eNB via the Random Access Channel. Upon receipt of the access request from the UE, the eNB determines an appropriate RF resource for the data increment sought to be transmitted by the UE, based on the use of the selected preamble sequence sent by the UE, and schedules an uplink connection for the transmission of that data increment by the UE.
    • 对于具有非常小的数据活动的应用,通过常规连接建立过程,UE到无线网络的连接以发送或接收这样的小数据业务增量在频谱资源利用方面是非常低效的。 本发明提供了一种用于在UE和服务eNB之间传输这种小数据增量的新的无连接方法。 具体地,本发明方法考虑了在针对从UE到eNB的接入请求提供的前导码序列池之间经由随机接入信道来识别来自UE的来自用于接入发送数据增量的请求的一组前同步码序列 小于预定阈值数据大小。 当UE具有要发送尺寸小于预定阈值大小的数据流量时,它选择所识别的集合中的一个前导序列,并且使用所选择的前导码序列,经由随机接入信道向服务eNB发送接入请求 。 在接收到来自UE的接入请求之后,eNB根据UE发送的所选择的前同步码序列的使用,为UE寻求发送的数据增量确定适当的RF资源,并为 由UE传输该数据增量。