公开(公告)号：US09288773B2

公开(公告)日：2016-03-15

申请号：US13092775

申请日：2011-04-22

申请人： Xinzhou Wu ,  Anand Muralidhar ,  Hua Wang ,  Junyi Li ,  Thomas J. Richardson ,  Shailesh Patil

发明人： Xinzhou Wu ,  Anand Muralidhar ,  Hua Wang ,  Junyi Li ,  Thomas J. Richardson ,  Shailesh Patil

IPC分类号： H04W52/38 ,  H04W52/24

CPC分类号： H04W52/383 ,  H04W52/242

摘要： A method, an apparatus, and a computer program product are provided in which at least one of a peer-to-peer transmit power or a peer-to-peer duty cycle is adjusted based on at least one of a path loss to a serving base station or a path loss to at least one neighboring base station. In addition, a peer-to-peer signal is sent with the peer-to-peer transmit power or the peer-to-peer duty cycle.

摘要翻译： 提供了一种方法，装置和计算机程序产品，其中基于对服务的路径损耗中的至少一个来调整对等传输功率或对等工作周期中的至少一个 基站或至少一个相邻基站的路径损耗。 另外，通过对等发送功率或点对点占空比发送对等信号。

公开(公告)号：US08995539B2

公开(公告)日：2015-03-31

申请号：US12835264

申请日：2010-07-13

申请人： Xinzhou Wu ,  Junyi Li ,  Sundar Subramanian

发明人： Xinzhou Wu ,  Junyi Li ,  Sundar Subramanian

IPC分类号： H04K1/10 ,  H04L5/00 ,  H04L27/26 ,  H04W72/12

CPC分类号： H04L5/003 ,  H04L5/00 ,  H04L5/0007 ,  H04L27/2601 ,  H04W72/1231

摘要： Methods and apparatus for determining, e.g., selecting, communications resources, e.g., tones, to use in a communications system are described. The methods are well suited for use in Orthogonal Frequency Division Multiplexing (OFDM) systems. Devices seeking to transmit information select tones in pairs for use in transmitting the information. Each tone pair includes a tone and the corresponding image tone. By restricting a communications device to select communications frequencies in pairs, the problem of interference and reduced dynamic range at a receiver due to IQ imbalance is reduced, as compared to the case where devices may use a tone independent of the corresponding image tone for transmission purposes, since the path loss from the transmitter to the receiver is likely to be the same for both tones and the transmission power level is controlled by an individual device using both of the tones.

摘要翻译： 描述了用于确定例如选择在通信系统中使用的通信资源，例如音调的方法和装置。 该方法非常适用于正交频分复用（OFDM）系统。 寻求发送信息的设备成对选择音调以用于发送信息。 每个音色对包括一个音调和相应的图像色调。 通过限制通信设备成对地选择通信频率，与设备可以使用独立于相应图像色调的音调以用于传输目的的情况相比，由于IQ不平衡而导致的接收机处的干扰和减小的动态范围的问题减少了 由于从发射机到接收机的路径损耗对于两个音调都是相同的，并且发射功率电平由使用两个音调的单独设备控制。

公开(公告)号：US08938509B2

公开(公告)日：2015-01-20

申请号：US12898895

申请日：2010-10-06

申请人： Xinzhou Wu ,  Junyi Li ,  Vincent D. Park ,  Nilesh Khude

发明人： Xinzhou Wu ,  Junyi Li ,  Vincent D. Park ,  Nilesh Khude

IPC分类号： G06F15/16 ,  H04W28/24 ,  H04W84/18

CPC分类号： H04W28/24 ,  H04W84/18

摘要： Various methods and apparatus relate to sharing QoS privileges between devices having a higher service level subscription and devices having lower service level subscription. QoS privileges are associated with a QoS service level which is in turn tied to devices, e.g., based on a service level subscription of the device. Devices with higher service level subscription are entitled to superior QoS privileges than the devices with lower service level subscription. In various embodiments a first device with higher QoS service level provides, to a second device having lower QoS service level, information used to obtain a QoS privilege to which the first device is entitled. Thus the second device entitled to lower QoS privileges is provided with the superior QoS privileges on a limited basis, e.g., for communicating with the first device corresponding to the higher QoS service level.

摘要翻译： 各种方法和装置涉及在具有较高服务级别订阅的设备和具有较低服务级别订阅的设备之间共享QoS特权。 QoS权限与QoS服务级别相关联，QoS服务级别又依赖于设备，例如基于设备的服务级别订阅。 具有较高服务级别订阅的设备有权享受比具有较低服务级别订阅的设备更高的QoS权限。 在各种实施例中，具有较高QoS服务级别的第一设备向具有较低QoS服务级别的第二设备提供用于获得第一设备所授权的QoS特权的信息。 因此，有权降低QoS特权的第二设备在有限的基础上被提供有优越的QoS权限，例如用于与对应于较高QoS服务级别的第一设备进行通信。

公开(公告)号：US08923910B2

公开(公告)日：2014-12-30

申请号：US12712629

申请日：2010-02-25

申请人： Xinzhou Wu ,  Junyi Li ,  Nilesh Khude ,  Sundar Subramanian

发明人： Xinzhou Wu ,  Junyi Li ,  Nilesh Khude ,  Sundar Subramanian

IPC分类号： H04B7/00 ,  H04W52/34 ,  H04W52/32 ,  H04W52/46

CPC分类号： H04W52/343 ,  H04W52/322 ,  H04W52/46

摘要： 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.

摘要翻译： 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，同时有同样的对等体发现资源由多个 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。

公开(公告)号：US08902771B2

公开(公告)日：2014-12-02

申请号：US13250930

申请日：2011-09-30

申请人： Rajiv Laroia ,  Junyi Li ,  Thomas Richardson ,  Xinzhou Wu ,  Aleksandar Jovicic

发明人： Rajiv Laroia ,  Junyi Li ,  Thomas Richardson ,  Xinzhou Wu ,  Aleksandar Jovicic

IPC分类号： G01R31/08 ,  H04W28/22 ,  H04W92/18 ,  H04W72/12 ,  H04W48/08 ,  H04W52/16

CPC分类号： H04W72/1242 ,  H04W28/22 ,  H04W48/08 ,  H04W52/16 ,  H04W52/18 ,  H04W52/267 ,  H04W72/0473 ,  H04W72/12 ,  H04W76/14 ,  H04W92/18

摘要： Methods and apparatus related to peer to peer communication networks are described. Embodiments directed to methods and apparatus for establishing traffic data transmission rates and/or transmission power levels between wireless terminals is described. Embodiments direct to methods and apparatus of making decisions whether or not to transmit as a function of the received power of the received response signals are also described. Transmission of pilot signals after granting of a transmission request and a decision to transmit traffic data has been made occurs in some embodiments. Rate information to be used in determining a traffic rate may be received in response to the pilot signal from a peer to peer (P2P) device.

摘要翻译： 描述了与对等通信网络相关的方法和设备。 描述了用于在无线终端之间建立业务数据传输速率和/或传输功率电平的方法和装置的实施例。 还描述了根据接收到的响应信号的接收功率来决定是否发送的方法和装置的实施例。 在一些实施例中已经发生了在授予发送请求之后的导频信号的传输和传送业务数据的决定。 可以响应于来自对等（P2P）设备的导频信号来接收用于确定业务速率的速率信息。

公开(公告)号：US08812676B2

公开(公告)日：2014-08-19

申请号：US12875311

申请日：2010-09-03

申请人： Shailesh Patil ,  Thomas Richardson ,  Xinzhou Wu ,  Junyi Li ,  Saurabh Tavildar ,  Pablo A. Anigstein

发明人： Shailesh Patil ,  Thomas Richardson ,  Xinzhou Wu ,  Junyi Li ,  Saurabh Tavildar ,  Pablo A. Anigstein

IPC分类号： G06F15/173 ,  H04W72/02 ,  H04W72/04 ,  H04W84/18

CPC分类号： H04W72/02 ,  H04W72/0493 ,  H04W72/06 ,  H04W72/085 ,  H04W84/18 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/162 ,  Y02D70/20

摘要： A method, an apparatus, and a computer program product are provided in which signals are received on each of a plurality of resources and an energy of each of the signals of a set of the plurality of resources is determined. In addition, a resource is determined based on a probability for each of the resources in a subset of the set. The probability for selecting a resource with a lower determined energy is less than one and greater than the probability for selecting a resource with a higher determined energy. Furthermore, a signal is transmitted on the selected resource.

摘要翻译： 提供了一种方法，装置和计算机程序产品，其中在多个资源中的每一个上接收信号，并且确定多个资源集合中的每个信号的能量。 此外，基于集合的子集中的每个资源的概率来确定资源。 选择具有较低确定能量的资源的概率小于1且大于选择具有较高确定能量的资源的概率。 此外，在所选择的资源上发送信号。

公开(公告)号：US08798656B2

公开(公告)日：2014-08-05

申请号：US13448174

申请日：2012-04-16

申请人： Ying Wang ,  Sundar Subramanian ,  Xinzhou Wu ,  Junyi Li ,  Thomas J. Richardson

发明人： Ying Wang ,  Sundar Subramanian ,  Xinzhou Wu ,  Junyi Li ,  Thomas J. Richardson

IPC分类号： H04W72/02

CPC分类号： H04W72/02 ,  H04W72/005 ,  H04W84/18

摘要： A method, a computer program product, and an apparatus for wireless communication are provided. The apparatus transmits broadcast information in a first broadcast resource from a first set of broadcast resources. In addition, the apparatus determines based on the broadcast information a need for a second broadcast resource from a second set of broadcast resources. Furthermore, the apparatus selects the second broadcast resource based on a priority associated with the first broadcast resource.

摘要翻译： 提供了一种方法，计算机程序产品和用于无线通信的装置。 该装置从第一组广播资源发送第一广播资源中的广播信息。 此外，该装置基于广播信息，从第二组广播资源中确定需要第二广播资源。 此外，设备基于与第一广播资源相关联的优先级来选择第二广播资源。

公开(公告)号：US08767765B2

公开(公告)日：2014-07-01

申请号：US13464857

申请日：2012-05-04

申请人： Jubin Jose ,  Sundar Subramanian ,  Xinzhou Wu ,  Thomas Joseph Richardson

发明人： Jubin Jose ,  Sundar Subramanian ,  Xinzhou Wu ,  Thomas Joseph Richardson

IPC分类号： H04B7/212 ,  H04W74/08

CPC分类号： H04W74/08 ,  H04L1/0003 ,  H04L1/0007 ,  H04L1/0009 ,  H04L2001/0093 ,  H04W28/06 ,  H04W36/0088 ,  H04W72/02 ,  H04W84/12 ,  H04W92/18

摘要： A wireless communications device operates in a system where communications resources may be used by multiple devices concurrently. A device, with an acquired set of recurring time intervals, selects, e.g., pseudo-randomly, an interval or intervals to be used as a combined data transmission and channel measurement time interval. The other time intervals in its set are to be used as data transmission time intervals. The combined use type interval facilitates the measurement of interference on the device's channel while still allowing the device to transmit some data during the interval. A combined use interval includes a first portion for data transmission and a second portion for channel measurement. In some embodiments, the first portion is fixed size and the second portion occurs at the very end of the interval. In some embodiments, the duration of the first portion is varied over time such that the channel measurement start time varies.

摘要翻译： 无线通信设备在可以由多个设备同时使用通信资源的系统中操作。 具有所获得的一组循环时间间隔的装置例如选择伪随机地选择要用作组合数据传输和信道测量时间间隔的间隔或间隔。 其集合中的其他时间间隔将用作数据传输时间间隔。 组合使用类型间隔有助于测量设备信道上的干扰，同时仍允许设备在间隔期间传输一些数据。 组合使用间隔包括用于数据传输的第一部分和用于信道测量的第二部分。 在一些实施例中，第一部分是固定尺寸，第二部分发生在间隔的最后端。 在一些实施例中，第一部分的持续时间随着时间而变化，使得信道测量开始时间变化。

公开(公告)号：US08718548B2

公开(公告)日：2014-05-06

申请号：US13232170

申请日：2011-09-14

申请人： Christopher S. Chang ,  Sundar Subramanian ,  Xinzhou Wu ,  Nilesh Khude

发明人： Christopher S. Chang ,  Sundar Subramanian ,  Xinzhou Wu ,  Nilesh Khude

IPC分类号： H04B5/00 ,  H04W52/02

CPC分类号： H04W84/18 ,  H04W40/16 ,  H04W72/1231 ,  Y02D70/122 ,  Y02D70/142 ,  Y02D70/22 ,  Y02D70/34

摘要： Methods and apparatus for efficiently scheduling links in wireless communications networks are described. Various described methods and apparatus are well suited for use in ad hoc wireless networks in which scheduling decisions are made in a distributed and/or decentralized manner. In some embodiments, the links in a network, e.g., in a peer to peer ad hoc network, are adaptively grouped based on comparable link channel gain. Exemplary signaling used, in some but not necessarily all embodiments, by devices to estimate channel gains include broadcast connection identifier signals and reverse broadcast connection identifier signals. Grouping links into sets based on comparable link channel gain, and selectively ordering the scheduling priorities of the different groups, is used to improve scheduling efficiency, e.g., decrease the likelihood that unnecessary yielding occurs.

摘要翻译： 描述了在无线通信网络中有效调度链路的方法和装置。 各种描述的方法和装置非常适用于其中以分布式和/或分散式进行调度决定的自组织无线网络。 在一些实施例中，网络中的链路，例如在对等自组织网络中，基于可比较的链路信道增益自适应地分组。 在一些但不一定所有实施例中，通过用于估计信道增益的设备使用的示例性信令包括广播连接标识符信号和反向广播连接标识符信号。 基于可比较的链路信道增益将链路分组成组，并且选择性地排序不同组的调度优先级，用于提高调度效率，例如，降低发生不必要的产生的可能性。

公开(公告)号：US08711835B2

公开(公告)日：2014-04-29

申请号：US12964191

申请日：2010-12-09

申请人： Junyi Li ,  Rajiv Laroia ,  Xinzhou Wu

发明人： Junyi Li ,  Rajiv Laroia ,  Xinzhou Wu

IPC分类号： H04J3/06 ,  H04B7/212

CPC分类号： H04L7/0054 ,  H04L27/2607 ,  H04W48/08 ,  H04W56/00 ,  H04W92/18

摘要： Systems and methodologies are described that facilitates mitigating the affects of asynchronous behavior when transmitting a data signal. According to various aspects, the system and methods are employed for selectively appending an appropriate time-shifting mechanism to a data signal in order to rectify the negative affects of asynchronous time behavior during a logical data burst.

摘要翻译： 描述了在传输数据信号时有助于减轻异步行为的影响的系统和方法。 根据各个方面，采用系统和方法选择性地将适当的时移机制附加到数据信号，以便在逻辑数据突发期间纠正异步时间行为的负面影响。