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    • 1. 发明申请
    • METHODS AND APPARATUS FOR SUPPORTING SYNCHRONIZATION BETWEEN GROUPS OF DEVICES
    • 用于支持设备组之间的同步的方法和装置
    • WO2011112716A1
    • 2011-09-15
    • PCT/US2011/027750
    • 2011-03-09
    • QUALCOMM IncorporatedWANG, HuaSHAKKOTTAI, SanjayWU, XinzhouLI, JunyiJOVICIC, Aleksandar
    • WANG, HuaSHAKKOTTAI, SanjayWU, XinzhouLI, JunyiJOVICIC, Aleksandar
    • H04W84/20
    • H04W84/20H04W56/0015H04W92/10
    • Methods and apparatus related to supporting rapid synchronization between groups of wireless communications devices are described. Described methods and apparatus are well suited for use in peer to peer wireless communications systems in which a plurality of ad hoc peer to peer networks may be formed, each ad hoc network operating with its own notion of time. As two groups of devices, having different notions of time, come within proximity of one another, a wireless communications device of a first group detects the presence of a member of a second group. The wireless device determines that network timing re-synchronization is to be performed by one of the first and second groups and transmits a re-synchronization alert signal on a dedicated resource. Subsequently, the wireless device transmits a timing synchronization signal in accordance with new timing. Intended devices, which detect the alert signal and timing synchronization signal, adjust their internal timing.
    • 描述了支持无线通信设备组之间的快速同步的方法和装置。 描述的方法和装置非常适合用于可以形成多个自组织对等网络的对等无线通信系统,每个自组织网络以其自己的时间概念运行。 作为具有不同时间概念的两组设备彼此接近,第一组的无线通信设备检测第二组的成员的存在。 无线设备确定网络定时重新同步将由第一组和第二组之一执行,并在专用资源上发送重新同步报警信号。 随后,无线设备根据新的定时发送定时同步信号。 用于检测报警信号和定时同步信号的设备调整其内部时序。
    • 9. 发明申请
    • METHODS AND APPARATUS FOR PEER DISCOVERY ASSIST
    • 同伴发现协助的方法和装置
    • WO2009158652A1
    • 2009-12-30
    • PCT/US2009/048919
    • 2009-06-26
    • QUALCOMM INCORPORATEDPARK, Vincent, D.RICHARDSON, Thomas, J.LI, JunyiSHAKKOTTAI, Sanjay
    • PARK, Vincent, D.RICHARDSON, Thomas, J.LI, JunyiSHAKKOTTAI, Sanjay
    • H04W8/00
    • H04W8/005H04W88/04
    • Methods and apparatus related to peer/network/ service discovery in a mobile wireless system, e.g., an ad hoc peer-to-peer network (100) are described. Transmission of discovery information, e.g., upper layer discovery information, is divided into a number of portions (An, Bn, Cn, Dn) to be transmitted separately over time. Transmission of the individual portions is structured so as to enable flexibility in the frequency of the peer discovery transmissions as well as the monitoring of such transmissions. Various embodiments facilitate rapid discovery and/or secure discovery, e.g., selective discovery by trusted peers. The structuring enables proxying of some transmissions by a third party, e.g., an assist node (114). The assist node receives discovery information portions being communicated at a first rate and retransmits the received discovery information portions (An, Bn, Cn, Dn) at a second rate which is higher than the first rate.
    • 描述了与移动无线系统(例如,自组织对等网络(100))中的对等/网络/服务发现有关的方法和装置。 诸如上层发现信息的发现信息的发送被划分为要随时间分别发送的多个部分(An,Bn,Cn,Dn)。 各个部分的传输被构造为使得对等体发现传输的频率的灵活性以及这种传输的监视。 各种实施例有助于快速发现和/或安全发现,例如可信对等体的选择性发现。 结构化使得能够代理由第三方(例如,辅助节点(114))进行的一些传输。 辅助节点接收以第一速率传送的发现信息部分,并以比第一速率高的第二速率重传接收到的发现信息部分(An,Bn,Cn,Dn)。