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    • 1. 发明申请
    • RANDOM ACCESS METHOD AND BASE STATION
    • 随机访问方法和基站
    • US20120069788A1
    • 2012-03-22
    • US13256920
    • 2009-07-27
    • Xiaoqin ShenRui MaZhongda Du
    • Xiaoqin ShenRui MaZhongda Du
    • H04W74/08
    • H04W74/006H04B7/2606H04W74/0833H04W74/0875H04W84/047
    • A random access method and a base station are provided, wherein the method comprises: a base station assigning a relay-dedicated random access preamble to a relay, wherein the relay-dedicated random access preamble indicates an access priority of the relay to be higher than that of an ordinary UE (S502); the base station receiving the relay-dedicated random access preamble sent from the relay and a random access preamble sent from the ordinary UE (S504); and the base station performing, when determining the relay-dedicated random access preamble is received, a non-contention-based random access preferentially for the relay (S506). Through the above processes, the time taken by random access of the relay to the network can be saved, and the success ratio of random access of the relay to the network is increased.
    • 提供随机接入方法和基站,其中所述方法包括:向中继分配中继专用随机接入前导码的基站,其中所述中继专用随机接入前导码指示所述中继的接入优先级高于 普通UE的(S502); 接收从中继发送的中继专用随机接入前导码的基站和从普通UE发送的随机接入前导码(S504); 并且当确定接收到中继专用随机接入前同步码时,基站优先执行用于中继的非基于竞争的随机接入(S506)。 通过上述处理,可以节省继电器随机接入网络所需的时间,增加继电器随机接入成功率。
    • 2. 发明申请
    • Method and terminal for selecting random access resource
    • 选择随机存取资源的方法和终端
    • US20120063393A1
    • 2012-03-15
    • US13203446
    • 2009-09-25
    • Zhongda DuRui MaBin Yu
    • Zhongda DuRui MaBin Yu
    • H04W72/04
    • H04W74/008H04W36/0077H04W74/0833
    • The present invention discloses a method and terminal for selecting a random access resource, the method includes: the terminal receives the physical downlink control channel signaling sent by a system; the terminal determines the first subframe which meets a condition A and contains a random access resource from the subsequent subframes of the subframe receiving the physical downlink control channel signaling, the condition A is that the time difference between the first subframe and the subframe receiving the physical downlink control channel signaling is greater than or equal to k, k is the time delay defined by the physical layer of the terminal; and the terminal starts a selection on the subframe containing a random access source from the first subframe.
    • 本发明公开了一种选择随机接入资源的方法和终端,该方法包括:终端接收系统发送的物理下行控制信道信令; 终端确定满足条件A的第一子帧,并且从接收物理下行链路控制信道信令的子帧的后续子帧中包含随机接入资源,条件A是第一子帧与接收物理的子帧之间的时间差 下行控制信道信令大于或等于k,k是由终端的物理层定义的时延; 并且终端从包含来自第一子帧的随机接入源的子帧开始选择。
    • 3. 发明授权
    • Method and terminal for selecting random access resource
    • 选择随机存取资源的方法和终端
    • US08570902B2
    • 2013-10-29
    • US13203446
    • 2009-09-25
    • Zhongda DuRui MaBin Yu
    • Zhongda DuRui MaBin Yu
    • H04L12/28
    • H04W74/008H04W36/0077H04W74/0833
    • The present invention discloses a method and terminal for selecting a random access resource, the method includes: the terminal receives the physical downlink control channel signaling sent by a system; the terminal determines the first subframe which meets a condition A and contains a random access resource from the subsequent subframes of the subframe receiving the physical downlink control channel signaling, the condition A is that the time difference between the first subframe and the subframe receiving the physical downlink control channel signaling is greater than or equal to k, k is the time delay defined by the physical layer of the terminal; and the terminal starts a selection on the subframe containing a random access source from the first subframe.
    • 本发明公开了一种选择随机接入资源的方法和终端,该方法包括:终端接收系统发送的物理下行控制信道信令; 终端确定满足条件A的第一子帧,并且从接收物理下行链路控制信道信令的子帧的后续子帧中包含随机接入资源,条件A是第一子帧与接收物理的子帧之间的时间差 下行控制信道信令大于或等于k,k是由终端的物理层定义的时延; 并且终端从包含来自第一子帧的随机接入源的子帧开始选择。
    • 5. 发明授权
    • Handoff access method and device based on random access channel
    • 基于随机接入信道的切换接入方式和设备
    • US08457640B2
    • 2013-06-04
    • US12442842
    • 2007-09-20
    • Zhongda Du
    • Zhongda Du
    • H04W36/00
    • H04W36/0055H04W74/002H04W74/0833H04W74/0866
    • A handoff access method and device based on a random access channel is provided, the method includes the following steps: step a, a source BS sends a handoff request message to a target BS, requesting switching the mobile terminal it serves to the target BS; step b, the target BS sends a handoff response message to the source BS, and then the source BS forwards a handoff command with its content to the mobile terminal, wherein the handoff command message does not include reserved character codes; step c, after receiving the handoff command message, the mobile terminal determines that the handoff command message does not include the reserved character codes, and then selects a random access sub-channel; and step d, the target BS and the mobile terminal initiate a random access procedure on the random access sub-channel.
    • 提供了一种基于随机接入信道的切换接入方法和设备,该方法包括以下步骤:步骤a,源BS向目标BS发送切换请求消息,请求将其服务的移动终端切换到目标BS; 步骤b,目标BS向源BS发送切换响应消息,然后源BS向移动终端转发具有其内容的切换命令,其中切换命令消息不包括保留字符代码; 步骤c,移动终端在接收到切换命令消息后,确定切换命令消息不包括保留字符码,然后选择随机接入子信道; 和步骤d,目标BS和移动终端在随机接入子信道上发起随机接入过程。
    • 6. 发明申请
    • METHOD AND APPARATUS FOR REPORTING A POWER HEADROOM REPORT (PHR) IN A CARRIER AGGREGATION SCENE
    • 报告载波聚集场景中的功率报告(PHR)的方法和装置
    • US20120294267A1
    • 2012-11-22
    • US13574680
    • 2011-09-20
    • Jian WangYada HuangZhongda Du
    • Jian WangYada HuangZhongda Du
    • H04W52/14
    • H04W52/365H04L5/001H04W52/34H04W52/58
    • A method and apparatus are disclosed for reporting a power headroom report (PHR) in a carrier aggregation scenario. The method includes the following steps: when a user equipment (UE) reports the PHR in a scenario where a physical uplink control channel (PUCCH) and a physical uplink shared channel (PUSCH) can be transmitted concurrently, if no PUSCH is transmitted over the Uplink Primary Component Carrier (UL PCC) configured by an eNB for the UE, then a virtual type1 PH and/or a virtual type2 PH corresponding to the UL PCC are reported; if a PUSCH rather than a PUCCH is transmitted over the UL PCC configured by the eNB for the UE, then the type1 PH corresponding to the UL PCC is reported or the virtual type2 PH and the type1 PH corresponding to the UL PCC are reported. User equipment is also disclosed.
    • 公开了一种在载波聚合场景中报告功率余量报告(PHR)的方法和装置。 该方法包括以下步骤:当用户设备(UE)能够同时发送物理上行链路控制信道(PUCCH)和物理上行链路共享信道(PUSCH)的情况下报告PHR时,如果没有PUSCH通过 由eNB为UE配置的上行链路主分量载波(UL PCC),然后报告对应于UL PCC的虚拟类型1 PH和/或虚拟类型2 PH; 如果通过由eNB为UE配置的UL PCC发送PUSCH而不是PUCCH,则报告对应于UL PCC的类型1PH或者报告与UL PCC相对应的虚拟类型2PH和类型1PH。 用户设备也被公开。
    • 7. 发明申请
    • CELL RESELECTION METHOD AND TERMINAL
    • 细胞检测方法和终端
    • US20110165909A1
    • 2011-07-07
    • US13062080
    • 2009-04-14
    • Yada HuangZhongda Du
    • Yada HuangZhongda Du
    • H04B7/26
    • H04W36/0083H04W48/18
    • The present invention provides a cell reselection method and terminal. The method includes: cells on multiple frequencies with the same priority are set as same-priority cells. The terminal comprises: a first reselection module, used to select cells on multiple frequencies with the same priority according to a priority-based reselection principle when a terminal performs cell reselection, wherein the cells on multiple frequencies with the same priority are same-priority cells; a second reselection module, used to select a cell as a reselected cell from the same-priority cells based on a best-cell reselection principle. The above technical solution enables the terminal to perform cell reselection quickly in a determined manner, and enables configuration of network parameters to achieve the intended purpose.
    • 本发明提供一种小区重选方法及终端。 该方法包括:具有相同优先级的多个频率上的小区被设置为相同优先级的小区。 终端包括:第一重选模块,用于当终端执行小区重选时,根据基于优先级的重选原则在多个频率上选择具有相同优先级的小区,其中具有相同优先级的多个频率上的小区是相同优先级小区 ; 第二重选模块,用于基于最佳小区重选原理从相同优先级小区中选择一个小区作为重新选择的小区。 上述技术方案使得终端能够以确定的方式快速执行小区重选,并且能够配置网络参数以实现预期目的。
    • 8. 发明申请
    • Handoff Access Method and Device Based on Random Access Channel
    • 基于随机接入信道的切换接入方法和设备
    • US20100009684A1
    • 2010-01-14
    • US12442842
    • 2007-09-20
    • Zhongda Du
    • Zhongda Du
    • H04W36/38
    • H04W36/0055H04W74/002H04W74/0833H04W74/0866
    • A handoff access method and device based on a random access channel is provided, the method includes the following steps: step a, a source BS sends a handoff request message to a target BS, requesting switching the mobile terminal it serves to the target BS; step b, the target BS sends a handoff response message to the source BS, and then the source BS forwards a handoff command with its content to the mobile terminal, wherein the handoff command message does not include reserved character codes; step c, after receiving the handoff command message, the mobile terminal determines that the handoff command message does not include the reserved character codes, and then selects a random access sub-channel; and step d, the target BS and the mobile terminal initiate a random access procedure on the random access sub-channel.
    • 提供了一种基于随机接入信道的切换接入方法和设备,该方法包括以下步骤:步骤a,源BS向目标BS发送切换请求消息,请求将其服务的移动终端切换到目标BS; 步骤b,目标BS向源BS发送切换响应消息,然后源BS向移动终端转发具有其内容的切换命令,其中切换命令消息不包括保留字符代码; 步骤c,移动终端在接收到切换命令消息后,确定切换命令消息不包括保留字符码,然后选择随机接入子信道; 和步骤d,目标BS和移动终端在随机接入子信道上发起随机接入过程。