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    • 83. 发明申请
    • METHODS AND APPARATUS FOR PROVIDING FLEXIBILITY IN PEER DISCOVERY RANGE AND FREQUENCY OF UPDATES
    • 在同行发现范围和频率更新中提供灵活性的方法和装置
    • WO2013006652A1
    • 2013-01-10
    • PCT/US2012/045467
    • 2012-07-03
    • QUALCOMM IncorporatedWANG, YingSUBRAMANIAN, SundarWU, XinzhouRICHARDSON, Thomas J.LI, Junyi
    • WANG, YingSUBRAMANIAN, SundarWU, XinzhouRICHARDSON, Thomas J.LI, Junyi
    • H04W8/00H04W84/18
    • H04W8/005H04W84/18
    • A method, a computer program product, and an apparatus for wireless communication are provided. The apparatus transmits a first peer discovery signal with a first periodicity/temporal frequency in a first set of peer discovery resources. The apparatus determines an energy on an allocated peer discovery resource of a second set of peer discovery resources. The apparatus refrains from transmitting a second peer discovery signal in the second set of peer discovery resources when the energy is greater than a threshold. The apparatus transmits the second peer discovery signal in the second set of peer discovery resources with a second periodicity/temporal frequency less than the first periodicity/temporal frequency when the energy is less than the threshold. The apparatus may utilize the first set of peer discovery resources every period and the second set of peer discovery resources once every N periods in which once every N periods is the second periodicity.
    • 提供了一种方法,计算机程序产品和用于无线通信的装置。 该设备在第一组对等体发现资源中发送具有第一周期/时间频率的第一对等体发现信号。 设备确定第二组对等体发现资源的分配的对等体发现资源上的能量。 当能量大于阈值时,该装置禁止在第二组对等体发现资源中发送第二对等体发现信号。 当能量小于阈值时,该设备以第二周期/时间频率小于第一周期/时间频率,在第二组对等体发现资源中发送第二对等体发现信号。 该装置可以每N个周期每周期利用第一组对等体发现资源和第二组对等体发现资源,其中每N个周期中的一个是第二周期。
    • 87. 发明申请
    • METHODS AND APPARATUS FOR COMMUNICATING INFORMATION USING VARIOUS TRANSMISSION POWER MODES
    • 使用各种传输功率模式传达信息的方法和装置
    • WO2011106699A1
    • 2011-09-01
    • PCT/US2011/026318
    • 2011-02-25
    • QUALCOMM INCORPORATEDWU, XinzhouLI, JunyiKHUDE, NileshSUBRAMANIAN, Sundar
    • WU, XinzhouLI, JunyiKHUDE, NileshSUBRAMANIAN, Sundar
    • H04W52/34
    • H04W52/343H04W52/322H04W52/46
    • A wireless communications device supports a constant transmission power mode of operation and a time varying transmission power mode of operation for transmitting data, e.g., peer discovery data. The device determines an amount of network congestion and switches between the two modes of operation as a function of the determined amount of network congestion. Various described methods and apparatus are well suited for use in a peer to peer ad hoc wireless communications system in which a limited amount of air link resources are available for peer discovery signaling and the same peer discovery resources are, at times, used concurrently by multiple devices. When network congestion is low, the device operates in the constant transmission power mode. When network congestion is high, the device operates in the time varying power mode. Devices sharing a common peer discovery resource in a local area intentionally select different time varying transmission patterns.
    • 无线通信设备支持恒定的发送功率操作模式和用于发送数据的时变发送功率操作模式,例如对等体发现数据。 该设备确定网络拥塞量,并根据确定的网络拥塞量来确定两种运营模式之间的切换。 各种描述的方法和装置非常适合用于对等自组织无线通信系统中,其中有限量的空中链路资源可用于对等体发现信令,同时有相同的对等体发现资源同时由多个 设备。 当网络拥塞低时,设备以恒定的传输功率模式工作。 当网络拥塞较高时,设备在时变功率模式下工作。 在本地区共享公共对等体发现资源的设备有意选择不同的时变传输模式。
    • 88. 发明申请
    • METHODS AND APPARATUS FOR COMMUNICATING INFORMATION USING NON-COHERENT AND COHERENT MODULATION
    • 使用非相干和相关调制来传播信息的方法和装置
    • WO2011046951A2
    • 2011-04-21
    • PCT/US2010/052353
    • 2010-10-12
    • QUALCOMM IncorporatedMEASSON, CyrilVIGATO, AlbertoRICHARDSON, Thomas J.WU, XinzhouTAVILDAR, Saurabh R.LI, Junyi
    • MEASSON, CyrilVIGATO, AlbertoRICHARDSON, Thomas J.WU, XinzhouTAVILDAR, Saurabh R.LI, Junyi
    • H04L1/00
    • H04L1/0075
    • Non-coherent modulation is used to communicate coding information via pilot signals using a first subset of resources, and coherent modulation is used to generate data signals. This allows for a stronger global code while keeping individual signaling complexity low. First and second communications devices communicate information using a set of communications resources. By performing non-coherent demodulation on pilot signals received on a first subset of said set of communications resources coding information is recovered. First and second channel estimates are generated from the pilot signals received on the first subset of said communications resources. Coherent demodulation is performed on data signals received on a second subset of said set of communications resources using said first and second channel estimates and said coding information to recover information communicated by said first communications device and to recover separate information communicated by said second communications device.
    • 非相干调制用于通过使用第一资源子集的导频信号来传送编码信息,并使用相干调制来产生数据信号。 这允许更强的全局代码,同时保持单个信令复杂度较低。 第一和第二通信设备使用一组通信资源来传送信息。 通过对在所述一组通信资源的第一子集上接收的导频信号执行非相干解调,编码信息被恢复。 从在所述通信资源的第一子集上接收的导频信号产生第一和第二信道估计。 对使用所述第一和第二信道估计和所述编码信息的所述通信资源集合的第二子集上接收的数据信号执行相干解调,以恢复由所述第一通信设备传送的信息并恢复由所述第二通信设备传送的单独信息。
    • 89. 发明申请
    • METHODS AND APPARATUS FOR COMMUNICATING IN A WIRELESS SYSTEM
    • 用于在无线系统中通信的方法和装置
    • WO2010088431A1
    • 2010-08-05
    • PCT/US2010/022457
    • 2010-01-28
    • QUALCOMM INCORPORATEDLI, JunyiWU, XinzhouTAVILDAR, Saurabh, R.PARK, Vincent, D.
    • LI, JunyiWU, XinzhouTAVILDAR, Saurabh, R.PARK, Vincent, D.
    • H04L29/08H04L29/06
    • H04L67/104H04L5/02H04L5/023H04L5/1438H04W28/0273H04W36/0055H04W48/14H04W52/26
    • Methods and apparatus for communicating information, e.g., queries and query responses, in a peer to peer communications network are described. Queries include, e.g., queries for a product, service, activity or activity partner. In some embodiments, a query channel is implemented and utilized. The implemented query channel structure is such that multiple query responses may be communicated corresponding to a single transmitted query. Various embodiments employ randomization in transmission segment selection by an individual communications device within a transmission block to decrease the likelihood of collisions. A communication device's access to the query channel is determined by the communications device itself. A communications device's decision as to whether or not to transmit and/or re-transmit a query is based on one or more of: its query transmission statistics, historical query channel loading information, and priority level information corresponding to the communications device.
    • 描述了在对等通信网络中传送信息(例如查询和查询响应)的方法和装置。 查询包括例如对产品,服务,活动或活动合作伙伴的查询。 在一些实施例中,实现和利用查询信道。 实现的查询信道结构使得可以对应于单个发送的查询来传送多个查询响应。 各种实施例在传输块内的单个通信设备的传输段选择中采用随机化,以减少冲突的可能性。 通信设备对该查询信道的访问由通信设备本身确定。 通信设备关于是否发送和/或重新发送查询的决定基于以下中的一个或多个:其查询传输统计信息,历史查询信道加载信息和对应于该通信设备的优先级信息。
    • 90. 发明申请
    • RELAY COMMUNICATIONS METHODS AND APPARATUS
    • 继电器通信方法和设备
    • WO2010059516A2
    • 2010-05-27
    • PCT/US2009/064377
    • 2009-11-13
    • QUALCOMM IncorporatedWU, XinzhouLI, Junyi
    • WU, XinzhouLI, Junyi
    • H04B7/14
    • H04W36/18H04B7/155H04B7/2606
    • Methods and apparatus relating to interference mitigation in a wireless communications system including multi-sector base stations and relay stations are described. Different types of transmission slots are used, e.g., base station-relay station slots, relay station-access terminal slots, and base station-access terminal slots. Relay station to access terminal slots of a first schedule are non-overlapping with relay station to access terminal slots of a second schedule. A deployment pattern associates each particular base station sector and its associated relay station with one particular schedule. At least some different sectors of the same base station intentionally use different schedules. An access terminal determines and uses the schedule corresponding to the base station sector or relay station from which it intends to receive downlink signals. By utilizing multiple slot type allocation schedules and a particular schedule deployment pattern in the system, interference experienced by access terminals in boundary regions can be mitigated.
    • 描述了涉及包括多扇区基站和中继站的无线通信系统中的干扰减轻的方法和设备。 使用不同类型的传输时隙,例如基站 - 中继站时隙,中继站 - 接入终端时隙和基站 - 接入终端时隙。 接入第一时间表的终端时隙的中继站与中继站不重叠以访问第二时间表的终端时隙。 部署模式将每个特定的基站扇区及其相关的中继站与一个特定的时间表相关联。 同一个基站的至少一些不同的扇区有意使用不同的时间表。 接入终端确定并使用与其打算接收下行链路信号的基站扇区或中继站对应的调度。 通过在系统中利用多个时隙类型分配时间表和特定的时间表部署模式,可以减轻接入终端在边界区域中经历的干扰。