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公开(公告)号：US20130182658A1
公开(公告)日：2013-07-18
申请号：US13691752
申请日：2012-12-01
IPC分类号： H04W52/36
CPC分类号： H04W52/365 , H04L5/001 , H04L5/006 , H04L5/0085 , H04W8/24 , H04W52/242 , H04W52/34 , H04W72/00
摘要： The present invention discloses a PHR processing method and device in carrier aggregation system, and the method comprises the following steps: user equipment (UE) acquires pathloss change corresponding to uplink carrier in activation state at present; said user equipment judges whether PHR is triggered according to said pathloss change; if it is triggered, said user equipment shall acquire the power headroom (PH) information to be reported and report said PH information. In embodiments of the present invention, UE can trigger PHR according to pathloss change on uplink carrier in activation state at present in carrier aggregation system.
摘要翻译： 本发明公开了一种载波聚合系统中的PHR处理方法和装置，该方法包括以下步骤：用户设备（UE）目前在激活状态下获取与上行载波对应的路径损耗变化; 所述用户设备根据所述路径损耗变化判断是否触发PHR; 如果被触发，所述用户设备应获取要报告的功率余量（PH）信息并报告所述PH信息。 在本发明实施例中，UE可以根据目前在载波聚合系统中的激活状态的上行链路载波上的路径损耗变化来触发PHR。
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公开(公告)号：US20120327877A1
公开(公告)日：2012-12-27
申请号：US13578234
申请日：2011-01-30
申请人： Yali Zhao , Guoqing Li , Fangli Xu
发明人： Yali Zhao , Guoqing Li , Fangli Xu
IPC分类号： H04W72/04
CPC分类号： H04W72/1252 , H04L5/001
摘要： A data transmission method, system and device in multi-carrier system, which relate to wireless communication field, are provided for solving the problem, that is, when the scheduling methods for same time unit in the network side of multi-carrier system include Semi-Persistent Scheduling (SPS) and dynamic scheduling at the same time, how the terminal transmits data in said time unit. Before transmitting the uplink data by using the time unit, the terminal determines that the network side schedules the terminal to implement SPS uplink transmission and dynamic scheduling uplink transmission in the time unit by using the uplink component carrier and the number of uplink component carriers which can be used to implement uplink transmission by the terminal is more than one; the terminal selects parts or all of multiple available uplink component carriers, and implements SPS uplink transmission and/or dynamic scheduling uplink transmission in the time unit by using the selected uplink component carriers.
摘要翻译： 提供了与无线通信领域相关的多载波系统中的数据传输方法，系统和装置，用于解决问题，即当多载波系统的网络侧的同一时间单元的调度方法包括半 - 一致性调度（SPS）和动态调度的同时，终端如何在所述时间单元中传输数据。 在通过使用时间单元发送上行链路数据之前，终端确定网络侧通过使用上行链路分量载波和上行链路分量载波的数量来确定网络侧在时间单位中执行SPS上行链路传输和动态调度上行链路传输， 用于实现上行传输的终端是多个; 终端选择多个可用上行链路分量载波的部分或全部，并且通过使用所选择的上行链路分量载波，在时间单元中实现SPS上行链路传输和/或动态调度上行链路传输。
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公开(公告)号：US09736714B2
公开(公告)日：2017-08-15
申请号：US14002990
申请日：2012-02-29
CPC分类号： H04W24/10 , H04W52/146 , H04W52/365 , H04W72/1231
摘要： Embodiments relate to the field of wireless communications, and particularly, to methods and apparatuses for power headroom reporting. In one embodiment, a method of power headroom reporting includes: determining PH information of each of configured and active cells at a current instant if PH information is required to be reported, where the configured and active cells include a cell which is configured with a downlink subframe at the current instant; and reporting the determined PH information. Since a power headroom is reported by obtaining PH information of a configured and active cell which is currently a downlink subframe according to a virtual transmission format, the PH information facilitates subsequent scheduling by an eNB.
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公开(公告)号：US08848611B2
公开(公告)日：2014-09-30
申请号：US13390514
申请日：2010-08-12
CPC分类号： H04W74/006 , H04W74/0833
摘要： A method, a system and a device for sending a random access preamble are provided. The method includes: a base station determines an uplink component carrier to be utilized by a terminal for sending a random access preamble, and sends identification information of the uplink component carrier to the terminal (30); and the terminal selects a component carrier corresponding to the uplink component carrier identification from multiple uplink component carriers which are supported by the terminal, and sends a random access preamble to the base station utilizing the component carrier (31). With the invention, a terminal in a Long Term Evolution Advanced (LTE-A) system can select a component carrier for sending a random access preamble based on indication of a base station.
摘要翻译： 提供了发送随机接入前同步码的方法，系统和装置。 该方法包括：基站确定终端用于发送随机接入前导码的上行链路分量载波，并向终端（30）发送上行链路分量载波的识别信息; 并且终端从由终端支持的多个上行链路分量载波中选择与上行链路分量载波标识对应的分量载波，并且利用分量载波（31）向基站发送随机接入前导码。 利用本发明，长期演进高级（LTE-A）系统中的终端可以基于基站的指示来选择用于发送随机接入前导码的分量载波。
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公开(公告)号：US08811433B2
公开(公告)日：2014-08-19
申请号：US13501062
申请日：2010-09-30
申请人： Yali Zhao , Fangli Xu , Fei Qin , Guoqing Li
发明人： Yali Zhao , Fangli Xu , Fei Qin , Guoqing Li
CPC分类号： H04L27/2657 , H04L7/0083 , H04W56/00 , H04W56/0005 , H04W56/0045 , H04W92/10
摘要： A method for uplink synchronization in a multi-carrier system includes the following steps: a base station selects one or more first component carriers, which do not establish the uplink synchronization with the base station, from multiple component carriers supported by a terminal; then the base station obtains Timing Advance (TA) needed by the terminal to perform the uplink transmission on the first component carriers, and sends the TA information to the terminal; the terminal performs the uplink transmission on said first component carriers according to said TA. The application of the present invention enables the establishment of uplink synchronization between the base station and the user equipment in multi-carrier system.
摘要翻译： 一种多载波系统中的上行链路同步的方法包括以下步骤：基站从终端支持的多个分量载波中选择不与基站建立上行链路同步的一个或多个第一分量载波; 那么基站获得终端所需的定时提前（TA），以在第一分量载波上执行上行链路传输，并将TA信息发送到终端; 终端根据所述TA在所述第一分量载波上执行上行链路传输。 本发明的应用使得能够在多载波系统中建立基站与用户设备之间的上行链路同步。
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26.发明申请METHOD, SYSTEM, AND DEVICE FOR POWER HEADROOM REPORTING AND SUB-FRAME SCHEDULING 有权用于电力报告和子帧调度的方法，系统和装置公开(公告)号：US20130336228A1
公开(公告)日：2013-12-19
申请号：US14002990
申请日：2012-02-29
IPC分类号： H04W24/10
CPC分类号： H04W24/10 , H04W52/146 , H04W52/365 , H04W72/1231
摘要： Embodiments of the invention relate to the field of wireless communications and particularly to a method of and apparatus for power headroom reporting so as to address such a problem in the prior art that PH information is reported for only an uplink subframe and the existing PHR mechanism discourages subsequent scheduling in the case that there are different TDD UL/DL configurations for a plurality of configured and active cells aggregated for a user equipment. A method of power headroom reporting according to an embodiment of the invention includes: determining PH information of each of configured and active cells at a current instant if PH information is required to be reported, wherein the configured and active cells include a cell which is configured with a downlink subframe at the current instant; and reporting the determined PH information. Since a power headroom is reported by obtaining PH information of a configured and active cell which is currently a downlink subframe according to a virtual transmission format, the PH information facilitates subsequent scheduling by an eNB.
摘要翻译： 本发明的实施例涉及无线通信领域，特别涉及用于功率余量报告的方法和装置，以解决现有技术中仅针对上行链路子帧报告PH信息的现有技术的问题，并且现有的PHR机制阻止 在为用户设备聚合的多个配置和活动小区存在不同的TDD UL / DL配置的情况下的后续调度。 根据本发明的实施例的功率余量报告的方法包括：如果需要报告PH信息，则在当前时刻确定每个配置的和活动的小区的PH信息，其中配置的和活动的小区包括被配置的小区 具有当前时刻的下行链路子帧; 并报告所确定的PH信息。 由于通过根据虚拟传输格式获取当前是下行链路子帧的配置和活动小区的PH信息来报告功率余量，因此PH信息有助于eNB的后续调度。
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公开(公告)号：US20130250902A1
公开(公告)日：2013-09-26
申请号：US13990995
申请日：2011-12-02
申请人： Fangli Xu , Yali Zhao , Jing Liang
发明人： Fangli Xu , Yali Zhao , Jing Liang
IPC分类号： H04W74/08
CPC分类号： H04W74/0833 , H04W36/0077 , H04W74/006
摘要： The invention discloses a random access method and apparatus so as to perform random access for a User Equipment (UE) with a plurality of aggregated cells in a carrier aggregation-enabled LTE-A system. The method includes: determining a secondary cell configured for a UE and obtaining random access related parameter preset for the secondary cell; and sending the random access related parameter to the UE to instruct the UE to initiate random access procedure over the secondary cell corresponding to the random access related parameter. The inventive method achieves the purpose of enabling the UE to be synchronized with the network side by performing random access over a specified cell, having the UE maintain uplink synchronization with the network side in the configured secondary cell and ensuring the overall performance of the system.
摘要翻译： 本发明公开了一种随机接入方法和装置，以便在携带载波聚合的LTE-A系统中对具有多个聚合小区的用户设备（UE）执行随机接入。 该方法包括：确定为UE配置的二级小区，并获得为二级小区预设的随机接入相关参数; 并向所述UE发送所述随机接入相关参数，以指示所述UE针对与所述随机接入相关参数相对应的所述辅助小区发起随机接入过程。 本发明的方法实现了使UE能够通过在指定小区上执行随机接入来使得UE能够与配置的二级小区中的网络侧保持上行同步并确保系统的整体性能的目的。
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公开(公告)号：US20120218987A1
公开(公告)日：2012-08-30
申请号：US13501062
申请日：2010-09-30
申请人： Yali Zhao , Fangli Xu , Fei Qin , Guoqing Li
发明人： Yali Zhao , Fangli Xu , Fei Qin , Guoqing Li
IPC分类号： H04W56/00
CPC分类号： H04L27/2657 , H04L7/0083 , H04W56/00 , H04W56/0005 , H04W56/0045 , H04W92/10
摘要： A method for uplink synchronization in a multi-carrier system includes the following steps: a base station selects one or more first component carriers, which do not establish the uplink synchronization with the base station, from multiple component carriers supported by a terminal; then the base station obtains Timing Advance (TA) needed by the terminal to perform the uplink transmission on the first component carriers, and sends the TA information to the terminal; the terminal performs the uplink transmission on said first component carriers according to said TA. The application of the present invention enables the establishment of uplink synchronization between the base station and the user equipment in multi-carrier system.
摘要翻译： 一种多载波系统中的上行链路同步的方法包括以下步骤：基站从终端支持的多个分量载波中选择不与基站建立上行同步的一个或多个第一分量载波; 那么基站获得终端所需的定时提前（TA），以在第一分量载波上执行上行链路传输，并将TA信息发送到终端; 终端根据所述TA在所述第一分量载波上执行上行链路传输。 本发明的应用使得能够在多载波系统中建立基站与用户设备之间的上行链路同步。
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公开(公告)号：US20120083310A1
公开(公告)日：2012-04-05
申请号：US13322273
申请日：2010-06-11
申请人： Yali Zhao , Li Chen , Guoqing Li
发明人： Yali Zhao , Li Chen , Guoqing Li
IPC分类号： H04W52/04
CPC分类号： H04W52/367 , H04L5/0007 , H04L5/001 , H04W24/08 , H04W52/34 , H04W52/365 , H04W52/54 , H04W72/1284
摘要： A method, device and system for reporting power headroom are provided, and the method includes the following steps: a user equipment determines whether it triggers power headroom reporting (PHR) (101); if triggering PHR, the user equipment reports power headroom independently or associatively basing on a component carrier (CC) or a power amplifier (PA) (102). The technical solution realizes power headroom reporting in a multi-carrier system by reporting power headroom independently or associatively basing on the CC or the PA, and can make a base station equipment process uplink scheduling better according to the power headroom coming from the user equipment.
摘要翻译： 提供报告功率余量的方法，装置和系统，该方法包括以下步骤：用户设备确定是否触发功率余量报告（PHR）（101）; 如果触发PHR，则用户设备基于分量载波（CC）或功率放大器（PA）（102）独立地或相关地报告功率余量。 该技术方案通过独立或相关地基于CC或PA报告功率余量来实现多载波系统中的功率余量报告，并且可以使基站设备根据用户设备的功率余量更好地进行上行调度。
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公开(公告)号：US10257864B2
公开(公告)日：2019-04-09
申请号：US13578278
申请日：2011-01-30
申请人： Yali Zhao , Li Chen , Wei Bao , Ji-amin Liu
发明人： Yali Zhao , Li Chen , Wei Bao , Ji-amin Liu
摘要： The present invention discloses a method and apparatus for random access in a relay system, comprising: a Relay Node (RN) determines whether a random access is triggered, if the random access is triggered, the RN performs the random access by using a non-backhaul link subframe. In the present invention, if the random access of the RN working in a base station state is triggered, the RN can perform the random access by using partial or all of non-backhaul link subframe resources, that is, the RN can perform the random access by using the subframes of the Uu interface. The method can reduce the time delay for performing the random access of the RN working as a base station and improve the user experience.
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