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    • 12. 发明申请
    • SYSTEM AND METHOD FOR SPATIAL MULTIPLEXING-BASED MULTIPLE ANTENNA BROADCAST/MULTICAST TRANSMISSION
    • 用于空间多路复用的多天线广播/多播传输的系统和方法
    • US20150109990A1
    • 2015-04-23
    • US14589994
    • 2015-01-05
    • Wen TongJianglei MaMo-Han FongPeiying ZhuAaron Callard
    • Wen TongJianglei MaMo-Han FongPeiying ZhuAaron Callard
    • H04W4/06H04W72/00
    • H04W4/06H04B7/0874H04H20/42H04H20/67H04H20/72H04L12/189H04W52/327H04W72/005H04W72/04H04W72/0453H04W72/121
    • Methods and devices are provided for implementing two types of sub-channel arrangements. A first type of sub-channel arrangement involves defining a first traffic portion and a second traffic portion of a transmission resource, transmitting broadcast traffic on at least one first antenna of a plurality of antennas in the first traffic portion using a first sub-channelization, transmitting multicast traffic on at least one second antenna of the plurality of antennas, the at least one second antenna being distinct from the at least one first antenna, in the first traffic portion using a second sub-channelization, and transmitting unicast traffic on at least one antenna of the plurality of antennas in the second traffic portion using a third sub-channelization. A second type of sub-channel arrangement involves defining a first traffic portion and a second traffic portion, wherein for a portion of the transmission resource, a portion of the first traffic portion overlaps with a portion of the second traffic portion. In the portion of the transmission resource in which a portion of the first traffic portion overlaps with a portion of the second traffic portion, the channel arrangement involves transmitting broadcast/multicast traffic on at least one first antenna of a plurality of antennas using a first sub-channelization and b) transmitting unicast traffic on at least one second antenna of the plurality of antennas, the at least one second antenna being distinct from the at least one first antenna, using a second sub-channelization. The first, second and third sub-channelizations may be based on either one of or a combination of FDM sub-channelization and TDM sub-channelization.
    • 提供了用于实现两种类型的子通道布置的方法和装置。 第一类型的子信道布置涉及定义传输资源的第一业务部分和第二业务部分,使用第一子信道化在第一业务部分中的多个天线的至少一个第一天线上发送广播业务, 在所述多个天线的至少一个第二天线上发射多播业务,所述至少一个第二天线与所述至少一个第一天线不同,所述第一天线在所述第一业务部分中使用第二子信道化,并且至少在至少一个 第二业务部分中的多个天线中的一个天线使用第三子信道化。 第二类型的子信道布置涉及定义第一业务部分和第二业务部分,其中对于传输资源的一部分,第一业务部分的一部分与第二业务部分的一部分重叠。 在第一业务部分的一部分与第二业务部分的一部分重叠的传输资源的部分中,信道配置涉及使用第一子信道在多个天线的至少一个第一天线上发送广播/组播业务 - 通道化和b)在所述多个天线的至少一个第二天线上发射单播业务,所述至少一个第二天线与所述至少一个第一天线不同,使用第二子信道化。 第一,第二和第三子信道化可以基于FDM子信道化和TDM子信道化的任何一个或组合。
    • 15. 发明授权
    • Handoffs and handoff selection in a wireless access network
    • 无线接入网络中的切换和切换选择
    • US08909226B2
    • 2014-12-09
    • US11570028
    • 2005-06-03
    • Hang ZhangMo-Han FongJianglei MaPeiying ZhuWen Tong
    • Hang ZhangMo-Han FongJianglei MaPeiying ZhuWen Tong
    • H04W36/00H04W36/30H04W36/18
    • H04W36/0033H04W36/18H04W36/30
    • The present invention facilitates handoffs for a mobile terminal in a wireless access network that is capable of supporting different types of handoffs. The different handoff types may include soft handoffs and fast base station switching (FBSS). In operation, context information associated with supporting wireless communications between the wireless access network and the mobile terminal are determined. Based on whether the context information is shared between base stations involved in the handoff or transferred from one base station to another of the base stations involved in the handoff, a particular handoff type is selected from the different handoff types that are available. Selecting the specific type of handoff to use may also be based on the level of context information that is available, the actual content of the context information, application preferences, channel conditions, base station or mobile terminal capabilities, or any combination thereof.
    • 本发明有助于能够支持不同类型的切换的无线接入网络中的移动终端的切换。 不同的切换类型可以包括软切换和快速基站切换(FBSS)。 在操作中,确定与支持无线接入网络和移动终端之间的无线通信相关联的上下文信息。 基于上下文信息是否在切换中涉及的基站或从一个基站传送到切换中涉及的基站的另一个基站之间共享,从可用的不同切换类型中选择特定切换类型。 选择要使用的特定类型的切换还可以基于可用的上下文信息的级别,上下文信息的实际内容,应用偏好,信道条件,基站或移动终端能力,或其任何组合。
    • 17. 发明授权
    • System and method for channel timing offset
    • 通道定时偏移的系统和方法
    • US08848623B2
    • 2014-09-30
    • US12545684
    • 2009-08-21
    • Zhijun CaiSean McBeathMo-Han FongMark EarnshawYoun Hyoung HeoHua Xu
    • Zhijun CaiSean McBeathMo-Han FongMark EarnshawYoun Hyoung HeoHua Xu
    • H04W4/00H04W72/04H04L5/00
    • H04W72/042H04L5/0053H04L5/0055H04L5/0091
    • A method for receiving data using a user agent (UA) configured to communicate with a wireless communications network using a first and second communication carrier is presented. The method includes receiving control information during a first time interval. The control information allocates a resource on at least one of the first communication carrier and the second communication carrier. When the control information allocates a resource on the first communication carrier, the method includes receiving data using the first communication carrier during a second time interval. When the control information allocates a resource on the second communication carrier, the method includes receiving data using the second communication carrier during a third time interval, the third time interval being offset from the first time interval.
    • 提出了一种使用配置为使用第一和第二通信载体与无线通信网络通信的用户代理(UA)来接收数据的方法。 该方法包括在第一时间间隔期间接收控制信息。 控制信息在第一通信载体和第二通信载体中的至少一个上分配资源。 当控制信息在第一通信载波上分配资源时,该方法包括在第二时间间隔期间使用第一通信载波接收数据。 当控制信息在第二通信载体上分配资源时,该方法包括在第三时间间隔期间使用第二通信载波接收数据,第三时间间隔从第一时间间隔偏移。