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    • 6. 发明申请
    • CONTROL MECHANISM FOR COMMUNICATION VIA DIFFERENT FREQUENCY BANDS
    • 通过不同频段通信的控制机制
    • WO2013116998A1
    • 2013-08-15
    • PCT/CN2012/070963
    • 2012-02-08
    • RENESAS MOBILE CORPORATIONHONG, WeiBAI, WeiHAN, JingZENG, ErlinWANG, HaimingWEI, NaGAO, ChunyanSUN, Pengfei
    • HONG, WeiBAI, WeiHAN, JingZENG, ErlinWANG, HaimingWEI, NaGAO, ChunyanSUN, Pengfei
    • H04W72/04
    • H04W16/14H04L1/08H04W28/085H04W72/048H04W74/08H04W88/06H04W88/10
    • There is provided a mechanism for controlling communications conducted via different frequency bands or communication spectrums. When a communication via a first communication path, for example an unlicensed or white space communication spectrum, is to be established, e.g. for offloading traffic from a second communication path, for example a licensed cellular communication spectrum, a preamble transmission command is generated and transmitted from a communication network control element, such as an eNB, via the second communication path to a communication element, such as a UE. By means of the preamble transmission command, the transmission of a preamble signal by the receiving communication element on the first communication path with predetermined communication resources is triggered. Based on a receipt or non-receipt of the preamble signal via the first communication path, the communication network control element is able to determine that the communication element can establish a connection on the first communication path, for example the unlicensed or white space communication spectrum.
    • 提供了用于控制经由不同频带或通信频谱进行通信的机制。 当通过第一通信路径进行通信时,例如未许可或白空间通信频谱,将被建立,例如, 为了从第二通信路径(例如许可的蜂窝通信频谱)卸载业务,生成前导发送命令,并且经由第二通信路径从诸如eNB的通信网络控制元件发送到通信元件,诸如 UE。 借助于前导码传输命令,触发由具有预定通信资源的第一通信路径上的接收通信元件的前导码信号的传输。 基于经由第一通信路径的前导信号的接收或不接收,通信网络控制元件能够确定通信元件可以在第一通信路径上建立连接,例如,未许可或白空间通信频谱 。
    • 7. 发明申请
    • HANDLING RANDOM ACCESS FAILURE
    • 处理随机访问失败
    • WO2013107036A1
    • 2013-07-25
    • PCT/CN2012/070651
    • 2012-01-20
    • RENESAS MOBILE CORPORATIONBAI, WeiHAN, JingWANG, HaimingZENG, ErlinGAO, ChunyanHONG, Wei
    • BAI, WeiHAN, JingWANG, HaimingZENG, ErlinGAO, ChunyanHONG, Wei
    • H04W74/08
    • H04W74/0833
    • In response to transmitting a preamble in a random access procedure, a receiver is tuned to receive from a network a dedicated random access response. It is decided to re- transmit the preamble only if: a) a command from the network is received that indicates an identifier of the preamble, a resource allocation, and power; or b) no dedicated transmission from the network access node is received during a time window defined for the random access response; or c) a hybrid automatic repeat request HARQ process associated with the random access response has expired without a successful decoding of the random access response. In one example the preamble is transmitted on a second component carrier CC in response to receiving on a first CC a physical downlink control channel identifying the preamble.
    • 响应于在随机接入过程中发送前导码,接收机被调谐以从网络接收专用的随机接入响应。 决定仅在以下情况下重新发送前导码:a)接收到来自网络的指示前导码的标识符,资源分配和功率的命令; 或b)在为随机接入响应定义的时间窗口期间没有接收到来自网络接入节点的专用传输; 或c)与随机接入响应相关联的混合自动重传请求HARQ进程已经到期而没有对随机接入响应的成功解码。 在一个示例中,响应于在第一CC上接收识别前导码的物理下行链路控制信道,在第二分量载波CC上发送前导码。
    • 9. 发明申请
    • RESOURCE ALLOCATION BY COMPONENT CARRIER SUB-BANDS
    • 资源分配由分公司分行
    • WO2013082784A1
    • 2013-06-13
    • PCT/CN2011/083700
    • 2011-12-08
    • RENESAS MOBILE CORPORATIONGAO, ChunyanZENG, ErlinHAN, JingWANG, HaimingHONG, WeiBAI, Wei
    • GAO, ChunyanZENG, ErlinHAN, JingWANG, HaimingHONG, WeiBAI, Wei
    • H04W28/18
    • H04L5/0053H04W72/0453
    • A user equipment UE is signaled to utilize a second format for downlink control information as opposed to a first format. Resources allocated by the first format are not bandwidth-restricted respecting a carrier and resources allocated by the second format are restricted to a subset of bandwidth sub-bands. The UE is then scheduled on resources that are restricted to the subset of sub-bands using the second format. In various specific embodiments the sub-bands are defined by predetermined static frequency bounds for the UE specifically or for the entire cell; the sub-bands may be defined by a predetermined algorithm which identifies a sub-band index as a function of UE identity, system frame number, and/or a number of sub-bands which are in the subset. The second format has a resource allocation field whose length depends on how many physical resource blocks are in the sub-bands and therefore in the subset.
    • 与第一格式相反,用户设备UE被用信号通知用于下行链路控制信息的第二格式。 由第一格式分配的资源不符合载波的带宽限制,并且由第二格式分配的资源被限制为带宽子带的子集。 然后,使用第二格式将UE限制在限于子带子集的资源上。 在各种具体实施方案中,子带由UE针对整个小区的预定静态频率范围定义; 子带可以由预定算法定义,该算法识别作为UE身份,系统帧号和/或子集中的子带数目的子带索引。 第二格式具有资源分配字段,其长度取决于子带中多少个物理资源块,因此在子集中。