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    • 112. 发明申请
    • DYNAMIC RANDOM ACCESS RESOURCE SIZE CONFIGURATION AND SELECTION
    • 动态随机访问资源大小配置和选择
    • WO2014112905A1
    • 2014-07-24
    • PCT/SE2013/050025
    • 2013-01-17
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    • ERIKSSON, ErikFRENGER, PålBALDEMAIR, RobertDIMOU, KonstantinosBERGMAN, Johan
    • H04W74/08
    • H04W74/006H04B17/309H04W74/0833H04W84/042
    • The disclosure relates to connection setup between a wireless device and a mobile communication network using random access, and more specifically to dynamic random access resource configuration and selection. The disclosure provides for a method in a wireless device, of selecting random access resources for performing a random access procedure to a wireless network. The method comprises the step receiving information from a radio network node comprised in a cell of the wireless network, wherein the received information indicates at least a first and a second random access resource having different resource sizes. The method further comprises selecting one of said at least first and a second random access resources based on an expected uplink power received by the radio network node and transmitting a random access message to said wireless network using the selected resource. The disclosure further relates to methods for providing random access resources, as well as to a wireless device, and to radio network nodes of a wireless network.
    • 本公开涉及使用随机接入的无线设备和移动通信网络之间的连接建立,更具体地涉及动态随机接入资源配置和选择。 本公开提供了一种无线设备中的方法,其选择用于对无线网络执行随机接入过程的随机接入资源。 该方法包括从包括在无线网络的小区中的无线电网络节点接收信息的步骤,其中所接收的信息至少指示具有不同资源大小的第一和第二随机接入资源。 该方法还包括基于由无线电网络节点接收到的预期上行链路功率来选择所述至少第一和第二随机接入资源中的一个,并使用所选择的资源向所述无线网络发送随机接入消息。 本公开还涉及用于提供随机接入资源以及无线设备以及无线网络的无线电网络节点的方法。
    • 116. 发明申请
    • SCHEDULING RETRANSMISSIONS FOR CONTENTION-BASED ACCESS RELATED APPLICATIONS
    • 基于内容访问的调度恢复相关应用
    • WO2011126421A1
    • 2011-10-13
    • PCT/SE2010/051144
    • 2010-10-21
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    • ERIKSSON, ErikSORRENTINO, StefanoLARMO, Anna
    • H04W74/08H04L1/00
    • H04L1/1887H04W74/02H04W74/085
    • A base station (12) supports a contention-based channel and a schedule-based channel. If too many mobile terminals (18) simultaneously transmit on the contention-based channel, the base station (12) schedules retransmissions to those terminals (18) on the schedule-based channel. Supporting this, a terminal (19) transmits a user transmission on the contention-based channel that includes both a data transmission and a reference signal. The terminal (19) derives this reference signal by selecting one of a plurality of cyclic shifts (CSs). Correspondingly, the base station (12) receives the user transmission and can determine the selected CS even if it is unable to demodulate the data transmission. The base station (12) then determines a retransmission identifier (RTI) mapped to that CS, according to a mapping between CSs and RTIs, and sends scheduling information for any needed retransmission to the terminal (19) by addressing that information to the RTI. Meanwhile, the terminal (19) knows this mapping and monitors for scheduling information addressed to that RTI.
    • 基站(12)支持基于竞争的信道和基于调度的信道。 如果太多的移动终端(18)在基于竞争的信道上同时发送,则基站(12)在基于调度的信道上安排到那些终端(18)的重传。 支持这一点,终端(19)在包含数据传输和参考信号的基于竞争的信道上发送用户传输。 终端(19)通过选择多个循环移位(CS)中的一个来导出该参考信号。 相应地,基站(12)接收用户传输,并且即使不能解调数据传输,也可以确定所选择的CS。 然后,基站(12)根据CS和RTI之间的映射来确定映射到该CS的重传标识符(RTI),并通过将该信息解析到RTI来向终端(19)发送任何所需重传的调度信息。 同时,终端(19)知道该映射并监视寻址到该RTI的调度信息。