公开(公告)号：US08724609B2

公开(公告)日：2014-05-13

申请号：US13118092

申请日：2011-05-27

申请人： Xinzhou Wu ,  Saurabh Tavildar ,  Vincent D. Park ,  Junyi Li ,  Rajiv Laroia

发明人： Xinzhou Wu ,  Saurabh Tavildar ,  Vincent D. Park ,  Junyi Li ,  Rajiv Laroia

IPC分类号： H04B7/208 ,  H04L12/28 ,  H04W28/02 ,  H04W72/08 ,  H04W72/10 ,  H04W72/12 ,  H04W72/00

CPC分类号： H04W28/0236 ,  H04L12/1881 ,  H04L12/189 ,  H04W72/005 ,  H04W72/082 ,  H04W72/10 ,  H04W72/1231 ,  H04W72/1247 ,  H04W84/18

摘要： Methods and apparatus related to broadcasting data and interference management in a peer to peer wireless communications network are described. Scheduling of traffic air link resources is performed on a slot by slot basis in a decentralized manner. Wireless devices intending to broadcast traffic signals transmit broadcast request signals, sometimes alternatively referred to as broadcast indicator signals. A priority level is associated with each of the broadcast request signals. A receiver device intending to receive broadcast signals detects the broadcast request signals and makes an interference determination as to whether the higher priority broadcast traffic signal can be successfully recovered in the presence of lower priority broadcast traffic signals. If the determination is that the expected interference from the lower priority broadcast traffic is unacceptable, the receiver device generates and transmits an interference control signal communicating to the lower priority device a command or request not to broadcast.

摘要翻译： 描述了在对等无线通信网络中与广播数据和干扰管理有关的方法和装置。 以分散的方式逐个时隙地执行业务空中链路资源的调度。 有意地广播业务信号的无线设备发送广播请求信号，有时可选地称为广播指示符信号。 优先级与每个广播请求信号相关联。 要接收广播信号的接收机设备检测广播请求信号，并且在存在较低优先级的广播业务信号的情况下，是否可以成功地恢复较高优先级的广播业务信号，并做出干扰确定。 如果确定来自较低优先级的广播业务的预期干扰是不可接受的，则接收机设备生成并发送与低优先级设备通信的干扰控制信号，该命令或请求不被广播。

公开(公告)号：US08706145B2

公开(公告)日：2014-04-22

申请号：US11775860

申请日：2007-07-10

申请人： Junyi Li ,  Rajiv Laroia

发明人： Junyi Li ,  Rajiv Laroia

IPC分类号： H04W68/00 ,  H04B7/15 ,  H04B15/00

CPC分类号： H04W68/00 ,  H04W88/04

摘要： Systems and methodologies are described that facilitate indirectly paging a peer in a peer-to-peer communication network via a series of direct peer-to-peer pages. Paging messages may be communicated directly between peers. Moreover, a paging message communicated from a first peer to a second peer may be further routed to a third peer. For example, the paging message may include information (e.g., an identifier associated with an ultimate destination) utilized to effectuate multihop paging; thus, upon obtaining the paging message, a peer may forward the paging message based upon such information.

摘要翻译： 描述了便于通过一系列直接对等页面间接寻呼对等通信网络中的对等体的系统和方法。 寻呼消息可以直接在对等体之间通信。 此外，从第一对等体传送到第二对等体的寻呼消息可以被进一步路由到第三对等体。 例如，寻呼消息可以包括用于实现多跳寻呼的信息（例如，与最终目的地相关联的标识符）; 因此，在获得寻呼消息时，对等体可以基于这样的信息转发寻呼消息。

公开(公告)号：US08601156B2

公开(公告)日：2013-12-03

申请号：US11774214

申请日：2007-07-06

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

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

IPC分类号： G06F15/173

CPC分类号： H04W8/005 ,  H04L5/0007 ,  H04L5/0032 ,  H04L5/005 ,  H04W68/00

摘要： Methods and apparatus related to peer to peer communication networks are described. A peer to peer timing structure is implemented which includes recurring peer discovery intervals and traffic intervals. During a peer discovery interval, a wireless communications device, supporting peer to peer communications, monitors for and receives a broadcast signal from another peer wireless communications device, recovers an identifier from the received broadcast signal, and stores the received identifier in memory. The identifier is one of a device identifier and a user identifier. The wireless communications device maintains a list of discovered identifiers in its vicinity. In some embodiments, paging intervals are also included in the recurring peer to peer timing structure. In various embodiments, a wireless communications device receives or sends a page to a peer node prior to sending or receiving user data in a traffic interval. Various features are directed to peer paging protocol implementations.

摘要翻译： 描述了与对等通信网络相关的方法和设备。 实现了对等定时结构，包括循环对等体发现间隔和业务间隔。 在对等设备发现间隔期间，支持对等通信的无线通信设备监视来自另一对等无线通信设备的广播信号并从接收的广播信号中恢复标识符，并将接收的标识符存储在存储器中。 标识符是设备标识符和用户标识符之一。 无线通信设备在其附近维护发现的标识符的列表。 在一些实施例中，寻呼间隔也包括在循环对等定时结构中。 在各种实施例中，无线通信设备在业务间隔内发送或接收用户数据之前，将页面接收或发送到对等节点。 各种特征针对对等寻呼协议实现。

公开(公告)号：US08599823B2

公开(公告)日：2013-12-03

申请号：US11774176

申请日：2007-07-06

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

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

IPC分类号： H04J3/06 ,  H04W4/00 ,  H04W68/00 ,  H04L12/43 ,  H04B7/00

CPC分类号： H04W56/001 ,  H04W4/06 ,  H04W8/005 ,  H04W48/16 ,  H04W68/00 ,  H04W84/06 ,  H04W84/18 ,  H04W92/18

摘要： Methods and apparatus related to peer to peer communication networks are described. A peer to peer timing structure is implemented which includes recurring peer discovery intervals and traffic intervals. Some embodiments further include recurring paging intervals for peer to peer pages. A wireless communications device, supporting peer to peer communications and storing information defining the timing structure, determines a time reference point, facilitating a coarse level of synchronization with respect to the timing structure. The time reference point is determined based on a broadcast signal received from a communications device, e.g., a satellite, base station, or beacon signal transmitter. Multiple peer to peer wireless communications devices in a local vicinity thus obtain the same basic understanding as to the current relative point in time with respect to a common recurring peer to peer timing structure. Peer to peer timing synchronization is further refined based on received signals communicated between peers.

摘要翻译： 描述了与对等通信网络相关的方法和设备。 实现了对等定时结构，包括循环对等体发现间隔和业务间隔。 一些实施例还包括对等页面的循环寻呼间隔。 支持对等通信并且存储定义定时结构的信息的无线通信设备确定时间参考点，有助于相对于定时结构的粗略级别的同步。 基于从通信设备（例如，卫星，基站或信标信号发射机）接收的广播信号来确定时间参考点。 本地区域中的多个对等无线通信设备因此获得与当前相对时间点相对于常见的重复对等定时结构相同的基本理解。 基于在对等体之间传送的接收信号，对等定时同步进一步改进。

公开(公告)号：US08553644B2

公开(公告)日：2013-10-08

申请号：US11621988

申请日：2007-01-10

申请人： Rajiv Laroia ,  Frank A. Lane ,  Junyi Li ,  Tom Richardson

发明人： Rajiv Laroia ,  Frank A. Lane ,  Junyi Li ,  Tom Richardson

IPC分类号： H04W40/00

CPC分类号： H04W40/244 ,  H04J3/0602 ,  H04L5/0016 ,  H04L5/0035 ,  H04L5/0048 ,  H04L27/2601 ,  H04L27/261 ,  H04W8/005 ,  H04W16/14 ,  H04W28/04 ,  H04W28/18 ,  H04W36/16 ,  H04W36/24 ,  H04W40/24 ,  H04W48/08 ,  H04W48/16 ,  H04W48/20 ,  H04W52/0229 ,  H04W52/04 ,  H04W72/02 ,  H04W76/14 ,  H04W84/042 ,  H04W84/18 ,  H04W88/02 ,  H04W88/04 ,  H04W88/06 ,  H04W88/10 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/146 ,  Y02D70/162 ,  Y02D70/164 ,  Y02D70/168 ,  Y02D70/22 ,  Y02D70/23

摘要： A wireless terminal supports both peer to peer communications and access node based communications. The wireless terminal considers and evaluates communications link alternatives and selects between (i) communication using a peer to peer link and (ii) communications using a link with a base station serving as an access node. Received signals corresponding to each of the link alternatives are used in performing link quality determinations. In one example, a received user beacon signal from a peer wireless terminal is the received signal used for the peer to peer link evaluation and a base station beacon signal is the received signal used for the access node link evaluation. A link is selected as a function of quality determination, predicted data throughput, link maintenance energy requirements, and/or least cost routing determination information.

摘要翻译： 无线终端支持对等通信和基于接入节点的通信。 无线终端考虑并评估通信链路替换，并且在（i）使用对等链路的通信之间进行选择，以及（ii）使用与作为接入节点的基站的链路的通信。 在执行链路质量确定时使用与每个链路替换相对应的接收信号。 在一个示例中，来自对等无线终端的接收到的用户信标信号是用于对等链路评估的接收信号，并且基站信标信号是用于接入节点链路评估的接收信号。 根据质量确定，预测数据吞吐量，链路维护能量需求和/或最低成本路由确定信息来选择链路。

公开(公告)号：US20130242888A1

公开(公告)日：2013-09-19

申请号：US13616644

申请日：2012-09-14

申请人： Arnab Das ,  Rajiv Laroia ,  Junyi Li

发明人： Arnab Das ,  Rajiv Laroia ,  Junyi Li

IPC分类号： H04W72/04

CPC分类号： H04W72/0413 ,  H04W72/1252 ,  H04W72/1284

摘要： An uplink dedicated control channel reporting structure includes a plurality of different bit size reports, e.g. 1 bit, 3 bit and 4 bit reports, for reporting a wireless terminal's backlog information of uplink traffic request group queues. Smaller bit size reports are transmitted more frequently than larger reports. A 1 bit request report indicates whether or not there are any MAC frames of information to be communicated in a set of two request group queues. A 3 bit request report indicates an amount of backlog information corresponding to a first set of request group queues and a second set of request group queues. A 4 bit request report indicates an amount of backlog information corresponding to a set of request group queues. The 4 bit request report is capable of reporting information on any of a plurality of uplink traffic channel request group queues being maintained by the wireless terminal.

摘要翻译： 上行链路专用控制信道报告结构包括多个不同比特大小的报告，例如， 1位，3位和4位报告，用于报告无线终端的上行流量请求组队列的积压信息。 比较大的报告传送的位数较小的报告更频繁。 1位请求报告指示在一组两个请求组队列中是否存在要传送的任何MAC帧的信息。 3位请求报告指示对应于第一组请求组队列和第二组请求组队列的积压信息量。 4位请求报告指示与一组请求组队列对应的积压信息量。 4位请求报告能够报告由无线终端维护的多个上行链路业务信道请求组队列中的任一个的信息。

公开(公告)号：US08509343B2

公开(公告)日：2013-08-13

申请号：US12477644

申请日：2009-06-03

申请人： Junyi Li ,  Xinzhou Wu ,  Rajiv Laroia

发明人： Junyi Li ,  Xinzhou Wu ,  Rajiv Laroia

IPC分类号： H04L27/00

CPC分类号： H04L27/2637

摘要： A wireless communications device transmits during a first time using a single tone and during a second time using a plurality of tones. The wireless communications device uses linear power amplification for transmitting multi-tone signals and non-linear power amplification for transmitting at least some single tone signals. In some embodiments a linear amplification range on a first amplifier's characteristic curve is used for the linear amplification and a non-linear amplification range on the first amplifier's characteristic curve is used for the non-linear amplification. Filtering subsequent to the amplification is controlled to accommodate the type of amplification being used. In some embodiments, the decision as to whether to use linear amplification or non-linear amplification is a function of whether the intended transmitted signal is to be a single tone signal or a multi-tone signal. In some embodiments, the decision is also a function of intended range.

摘要翻译： 无线通信设备在第一次使用单个音调和在第二时间期间使用多个音调来发送。 无线通信设备使用线性功率放大来发送多音调信号和非线性功率放大，用于发送至少一些单音调信号。 在一些实施例中，第一放大器的特性曲线上的线性放大范围用于线性放大，并且第一放大器的特性曲线上的非线性放大范围用于非线性放大。 控制放大之后的滤波被控制以适应正在使用的放大的类型。 在一些实施例中，关于是否使用线性放大或非线性放大的决定是否是预期的发射信号是单声道信号还是多音调信号的功能。 在一些实施例中，该决定也是预期范围的函数。

公开(公告)号：US08494007B2

公开(公告)日：2013-07-23

申请号：US11775803

申请日：2007-07-10

申请人： Junyi Li ,  Rajiv Laroia ,  Saurabh Tavildar ,  Thomas Richardson ,  Xinzhou Wu ,  Leonard Grokop

发明人： Junyi Li ,  Rajiv Laroia ,  Saurabh Tavildar ,  Thomas Richardson ,  Xinzhou Wu ,  Leonard Grokop

IPC分类号： H04J1/02 ,  H04J3/06 ,  H04J3/12

CPC分类号： H04W8/005 ,  H04L5/0007 ,  H04L5/0032 ,  H04L5/0053 ,  H04W8/26 ,  H04W72/02

摘要： Systems and methodologies are described that facilitate identifying peers based upon encoded signals during peer discovery in a peer to peer network. For example, direct signaling that partitions a time-frequency resource into a number of segments can be utilized to communicate an identifier within a peer discovery interval; thus, a particular segment selected for transmission can signal a portion of the identifier, while a remainder can be signaled based upon tones communicated within the selected segment. Moreover, a subset of symbols within the resource can be reserved (e.g., unused) to enable identifying and/or correcting timing offset. Further, signaling can be effectuated over a plurality of peer discovery intervals such that partial identifiers communicated during each of the peer discovery intervals can be linked (e.g., based upon overlapping bits and/or bloom filter information).

公开(公告)号：US08451961B2

公开(公告)日：2013-05-28

申请号：US11944197

申请日：2007-11-21

申请人： Rajiv Laroia ,  Sundeep Rangan ,  Junyi Li ,  Thomas Richardson ,  Saurabh Tavildar

发明人： Rajiv Laroia ,  Sundeep Rangan ,  Junyi Li ,  Thomas Richardson ,  Saurabh Tavildar

IPC分类号： H03D1/04 ,  H03D1/06 ,  H03K5/01 ,  H03K6/04 ,  H04B1/10 ,  H04L1/00 ,  H04L25/08 ,  H04L27/26

CPC分类号： H04L27/2647 ,  H04B1/7103 ,  H04B7/0854 ,  H04B7/0857 ,  H04B2201/70702

摘要： Various schemes for reducing effects of interference within communication systems are disclosed. A transmitter transmits a signal in a first time interval and a scrambled version of the signal in a second time interval, which does not overlap with the first time interval. A receiver receives a composite signal including a signal transmitted from the desired transmitter as well as signals from interferers in the first or the second time interval. The receiver determines a dominant interferer and obtains knowledge of signal scrambling done by the interferer as well as the desired transmitter by sensing an identification associated with the interferer or the desired transmitter. This knowledge is employed to determine coefficients for combining the received composite signals received in the first and the second time interval in order to recover the desired signal in a manner that maximizes the SNR associated with the desired signal or completely cancels the dominant interference.

摘要翻译： 公开了用于减少通信系统内的干扰影响的各种方案。 发射机以与第一时间间隔不重叠的第二时间间隔发送第一时间间隔中的信号和信号的加扰版本。 接收机在第一或第二时间间隔中接收包括从所需发射机发送的信号以及来自干扰源的信号的复合信号。 接收机确定主要干扰源，并且通过感测与干扰源或期望发射机相关联的标识来获得由干扰源以及所需发射机完成的信号加扰的知识。 该知识用于确定用于组合在第一和第二时间间隔中接收的接收的复合信号的系数，以便以最大化与期望信号相关联的SNR或完全抵消显性干扰的方式恢复期望信号。

公开(公告)号：US08422938B2

公开(公告)日：2013-04-16

申请号：US11764166

申请日：2007-06-15

申请人： Junyi Li ,  Thomas Richardson ,  Rajiv Laroia

发明人： Junyi Li ,  Thomas Richardson ,  Rajiv Laroia

IPC分类号： H04H1/00

CPC分类号： H04W4/06 ,  H04L5/0007 ,  H04L5/0051 ,  H04L5/0053 ,  H04L5/0064 ,  H04L27/261 ,  H04W72/005

摘要： Systems and methodologies are described that facilitate transmitting at least two different types of information in a single signal, whereby the different types of information can be encoded and decoded independently. Thus, changes to one type of information does not affect a second type of information.

摘要翻译： 描述了促进在单个信号中发送至少两种不同类型的信息的系统和方法，由此可以独立地对不同类型的信息进行编码和解码。 因此，对一种类型的信息的改变不影响第二类型的信息。