公开(公告)号：US08711767B2

公开(公告)日：2014-04-29

申请号：US12243814

申请日：2008-10-01

申请人： Srinivasan Balasubramanian ,  Manoj M. Deshpande ,  Sanjiv Nanda ,  Jen Mei Chen

发明人： Srinivasan Balasubramanian ,  Manoj M. Deshpande ,  Sanjiv Nanda ,  Jen Mei Chen

IPC分类号： H04W4/00 ,  H04W88/00 ,  H04W88/08 ,  H04W36/00

CPC分类号： H04W48/16 ,  H04J11/0093 ,  H04W12/08 ,  H04W36/00 ,  H04W36/0083 ,  H04W48/08 ,  H04W48/18 ,  H04W88/00 ,  H04W88/08

摘要： Providing for distributed access point management for access to a mobile network is described herein. By way of example, an interface application maintained at a Femto cell base station (BS) can facilitate initial power up and/or acquisition for a Femto user terminal (UT). Upon start-up, a bootstrap process is utilized by the Femto cell to provision the UT with an SDL establishing at least one BS as high priority within a particular geographic area (GEO). Thus, when the Femto UT is within the GEO, the UT is more likely to acquire, camp on and/or handoff to the preferred BS. When outside the GEO, a serving access point can provision the Femto UT OTA with a custom SDL suited to another GEO having a different high priority access point. By implementing access point management at distributed access points, expensive network equipment can be mitigated or avoided.

摘要翻译： 这里描述了用于访问移动网络的分布式接入点管理。 作为示例，维持在毫微微小区基站（BS）的接口应用可以有助于对于毫微微用户终端（UT）的初始加电和/或获取。 在启动时，毫微微小区利用自举进程来向UT提供在特定地理区域（GEO）内建立至少一个BS作为高优先级的SDL。 因此，当毫微微UT在GEO内时，UT更有可能获得，驻留和/或切换到首选BS。 在GEO外部，服务接入点可以为Femto UT OTA提供适合具有不同高优先级接入点的另一个GEO的自定义SDL。 通过在分布式接入点实现接入点管理，可以减轻或避免昂贵的网络设备。

公开(公告)号：US08605579B2

公开(公告)日：2013-12-10

申请号：US11549823

申请日：2006-10-16

申请人： Santosh Abraham ,  Saishankar Nandagopalan ,  Sanjiv Nanda

发明人： Santosh Abraham ,  Saishankar Nandagopalan ,  Sanjiv Nanda

IPC分类号： H04L12/26

CPC分类号： H04L47/25 ,  H04L47/10 ,  H04L47/11 ,  H04L47/14 ,  H04L47/15 ,  H04L47/17 ,  H04L47/263 ,  H04L47/27 ,  H04L47/286 ,  H04L47/70 ,  H04L47/783 ,  H04L47/822 ,  H04L47/824 ,  H04W24/00 ,  H04W28/10 ,  H04W28/22 ,  H04W40/22 ,  H04W74/08 ,  H04W84/18

摘要： Flows admitted to a mesh node may be controlled through contention access parameters. The admitting node may determine a desired transmission opportunity duration, and a transmission opportunity frequency. Furthermore, the node may achieve the flow rate and delay bound requirements of the admitted flow based at least in part upon the desired transmission opportunity duration, and the transmission opportunity frequency. The data rate and the access frequency of the admitted node may be monitored at the physical access level. The flow rate requirement may be accomplished based at least in part upon an adjustment to the transmission opportunity duration. The delay bound requirement may be accomplished at least in part upon manipulation of the contention access parameters. The transmission opportunity duration and the access parameters may be determined by the upstream admitting nodes, which may reduce congestion near mesh portals, and accomplish increased data transfer.

摘要翻译： 可以通过争用访问参数来控制进入网状节点的流。 接纳节点可以确定期望的传输机会持续时间和传输机会频率。 此外，节点可以至少部分地基于期望的传输机会持续时间和传输机会频率来实现允许的流的流速和延迟约束要求。 可以在物理访问级别监视允许的节点的数据速率和访问频率。 流量要求可以至少部分地基于对传输机会持续时间的调整来实现。 延迟限制要求可以至少部分地基于争用访问参数的操纵来实现。 传输机会持续时间和访问参数可以由上游准入节点确定，这可以减少网格门户附近的拥塞，并且实现增加的数据传输。

公开(公告)号：US08520498B2

公开(公告)日：2013-08-27

申请号：US13461707

申请日：2012-05-01

申请人： Jay Rodney Walton ,  John Wendell Ketchum ,  Mark S. Wallace ,  Steven J. Howard ,  Sanjiv Nanda

发明人： Jay Rodney Walton ,  John Wendell Ketchum ,  Mark S. Wallace ,  Steven J. Howard ,  Sanjiv Nanda

IPC分类号： H04J11/10

CPC分类号： H04B7/0615 ,  H04B7/0413 ,  H04L27/2602

摘要： A multi-antenna transmitting entity transmits data to a single- or multi-antenna receiving entity using (1) a steered mode to direct the data transmission toward the receiving entity or (2) a pseudo-random transmit steering (PRTS) mode to randomize the effective channels observed by the data transmission across the subbands. For transmit diversity, the transmitting entity uses different pseudo-random steering vectors across the subbands but the same steering vector across a packet for each subband. The receiving entity does not need to have knowledge of the pseudo-random steering vectors or perform any special processing. For spatial spreading, the transmitting entity uses different pseudo-random steering vectors across the subbands and different steering vectors across the packet for each subband. Only the transmitting and receiving entities know the steering vectors used for data transmission. Other aspects, embodiments, and features are also claimed and disclosed.

摘要翻译： 多天线发射实体使用（1）向接收实体指导数据传输的导向模式或（2）伪随机发射转向（PRTS）模式来将数据发送到单天线或多天线接收实体，以随机化 通过子带上的数据传输观察到的有效信道。 对于发射分集，发射实体在子带上使用不同的伪随机导引向量，但是在每个子带的分组上使用相同的导向向量。 接收实体不需要具有伪随机导引向量的知识或执行任何特殊处理。 对于空间扩展，发射实体在子带上使用不同的伪随机导引向量，并且跨每个子带的分组使用不同的导向矢量。 只有发送和接收实体知道用于数据传输的导向向量。 还要求和公开其他方面，实施例和特征。

公开(公告)号：US08503374B2

公开(公告)日：2013-08-06

申请号：US11832838

申请日：2007-08-02

申请人： Gavin Bernard Horn ,  Ashwin Sampath ,  Sanjiv Nanda

发明人： Gavin Bernard Horn ,  Ashwin Sampath ,  Sanjiv Nanda

IPC分类号： H04W4/00 ,  H04J3/00

CPC分类号： H04W88/04 ,  H04W48/08 ,  H04W72/04 ,  H04W72/0406 ,  H04W72/12 ,  H04W84/047

摘要： An apparatus, method, and computer-program product are provided for wireless communication between uplink and downlink nodes via a relay. The relay is configured to simultaneously communicate with the uplink and downlink nodes on a common channel. For simultaneous communication, radio resources may be allocated to the relay to maintain orthogonality on both the uplink and downlink.

摘要翻译： 提供了一种装置，方法和计算机程序产品，用于通过继电器在上行链路和下行链路节点之间进行无线通信。 中继器被配置为在公共信道上同时与上行链路和下行链路节点进行通信。 为了同时通信，可以向中继器分配无线电资源以在上行链路和下行链路上保持正交性。

公开(公告)号：US08498215B2

公开(公告)日：2013-07-30

申请号：US11175787

申请日：2005-07-05

申请人： Jay Rodney Walton ,  Shravan K. Surineni ,  Arnaud Maylan ,  Sanjiv Nanda

发明人： Jay Rodney Walton ,  Shravan K. Surineni ,  Arnaud Maylan ,  Sanjiv Nanda

IPC分类号： H04J1/16

CPC分类号： H04L1/0015 ,  H04B17/309 ,  H04L1/0002 ,  H04L1/1607 ,  Y02D50/10

摘要： Techniques for performing open-loop rate control in a TDD communication system are described. The channel quality of a first link is estimated based on a transmission received via the first link. The channel quality of a second link is estimated based on the estimated channel quality of the first link and an asymmetric parameter. At least one rate for a data transmission via the second link is selected based on the estimated channel quality of the second link. The estimated channel quality for each link may be given by a set of SNR estimates for a set of transmission channels on that link. The asymmetric parameter may be determined based on (1) the capabilities (e.g., transmit power, receiver noise figure, and number of antennas) of the transmitting and receiving stations or (2) received SNRs for the first and second links.

摘要翻译： 描述用于在TDD通信系统中执行开环速率控制的技术。 基于经由第一链路接收的传输来估计第一链路的信道质量。 基于第一链路的估计信道质量和非对称参数来估计第二链路的信道质量。 基于第二链路的估计信道质量来选择用于经由第二链路的数据传输的至少一个速率。 每个链路的估计信道质量可以由对该链路上的一组传输信道的一组SNR估计给出。 可以基于（1）发射和接收站的能力（例如，发射功率，接收机噪声系数和天线数）来确定非对称参数，或者（2）第一和第二链路的接收SNR。

公开(公告)号：US08483704B2

公开(公告)日：2013-07-09

申请号：US11355538

申请日：2006-02-15

申请人： Sanjiv Nanda ,  Aleksandar Gogic ,  Manoj M. Deshpande ,  Nikhil Jain

发明人： Sanjiv Nanda ,  Aleksandar Gogic ,  Manoj M. Deshpande ,  Nikhil Jain

IPC分类号： H04W24/00

CPC分类号： H04W48/16 ,  H04W64/003

摘要： The disclosure is directed to a mobile communication device that measures characteristics or attributes of a first communications network that vary according to physical location within that first communications network to create a fingerprint, or signature, of a location within the first communications network. When the fingerprint of the current location of the mobile device is created it can be compared to a known fingerprint associated with a second communication network to determine the mobile device's proximity to the second communications network. Furthermore, the second and subsequent fingerprint that are generated for a particular communications network can be used to modify the stored fingerprint so as to refine it to improve detecting the proximity to the communications network.

摘要翻译： 本公开涉及一种移动通信设备，其测量根据第一通信网络内的物理位置而变化的第一通信网络的特性或属性，以创建第一通信网络内的位置的指纹或签名。 当创建移动设备的当前位置的指纹时，可将其与与第二通信网络相关联的已知指纹进行比较，以确定移动设备与第二通信网络的接近度。 此外，为特定通信网络生成的第二和随后的指纹可以用于修改存储的指纹，以便细化它，以改进检测到通信网络的接近度。

公开(公告)号：US08472473B2

公开(公告)日：2013-06-25

申请号：US10964237

申请日：2004-10-13

申请人： John W. Ketchum ,  Jay Rodney Walton ,  Sanjiv Nanda

发明人： John W. Ketchum ,  Jay Rodney Walton ,  Sanjiv Nanda

IPC分类号： H04J3/22

CPC分类号： H04W28/065 ,  H04L1/1635 ,  H04L25/03343 ,  H04L29/06 ,  H04L47/2441 ,  H04L69/16 ,  H04L69/161 ,  H04L69/22 ,  H04L69/32 ,  H04W80/02 ,  H04W84/12

摘要： Embodiments addressing MAC processing for efficient use of high throughput systems are disclosed. In one aspect, a protocol stack is disclosed comprising one or more of the following: an adaptation layer, a data link control layer, a physical layer, and a layer manager. In another aspect, physical layer feedback is used for adaptation layer processing. In one embodiment, physical layer feedback is used for segmentation. In another embodiment, physical layer feedback is used for multicast mapping onto one or more unicast channels. In another aspect, a data unit for transmission from a first station to a second station comprises zero or more complete sub-data units, zero or one partial sub-data units from a prior transmission, and zero or one partial sub-data units to fill the data unit. In one embodiment, a pointer may be used to indicate the location of any complete sub-data units.

摘要翻译： 公开了解决用于高吞吐量系统的有效使用的MAC处理的实施例。 一方面，公开了一种协议栈，其包括以下一个或多个：适配层，数据链路控制层，物理层和层管理器。 在另一方面，物理层反馈用于适应层处理。 在一个实施例中，物理层反馈用于分割。 在另一个实施例中，物理层反馈用于到一个或多个单播信道上的多播映射。 在另一方面，用于从第一站到第二站的传输的数据单元包括零个或多个完整的子数据单元，来自先前传输的零个或一个部分子数据单元，以及零个或一个部分子数据单元 填写数据单元。 在一个实施例中，可以使用指针来指示任何完整的子数据单元的位置。

公开(公告)号：US08401483B2

公开(公告)日：2013-03-19

申请号：US12712715

申请日：2010-02-25

申请人： Sanjiv Nanda ,  Saishankar Nandagopalan ,  Santosh P. Abraham ,  Jay Rodney Walton ,  Ernest Tadashi Ozaki

发明人： Sanjiv Nanda ,  Saishankar Nandagopalan ,  Santosh P. Abraham ,  Jay Rodney Walton ,  Ernest Tadashi Ozaki

IPC分类号： H04B1/00

CPC分类号： H04B15/00 ,  H01Q1/246 ,  H01Q3/24 ,  H04B7/0602 ,  H04B7/0615 ,  H04B7/0842 ,  H04W16/28 ,  H04W28/18

摘要： Techniques for using at least one of omni-directional and directional antennas for communication are described. A station may be equipped antenna elements selectable for use as an omni-directional antenna or one or more directional antennas. The station may select the omni-directional antenna or a directional antenna for use for communication based on various factors such as, e.g., whether the location or direction of a target station for communication is known, whether control frames or data frames are being exchanged, etc.

摘要翻译： 描述了使用全向和定向天线中的至少一个进行通信的技术。 站可以配备可选择用作全向天线或一个或多个定向天线的天线元件。 基站可以基于各种因素选择全向天线或定向天线，用于通信，例如，目的站通信的位置或方向是否已知，是否正在交换控制帧或数据帧， 等等

公开(公告)号：US08310996B2

公开(公告)日：2012-11-13

申请号：US11833927

申请日：2007-08-03

申请人： Sanjiv Nanda ,  Ashwin Sampath

发明人： Sanjiv Nanda ,  Ashwin Sampath

IPC分类号： H04W4/00 ,  H04J3/00

CPC分类号： H04W72/0426

摘要： A wireless media access control supports asynchronous communication and overlapping transmissions. Here, a wireless node may determine whether to request or schedule a transmission based on control messages it receives from neighboring nodes. In some implementations a scheduled transmission may be divided up into several segments so that a transmitting node may receive and transmit control messages between segments. In some implementations a monitoring period is defined after a scheduled transmission period to enable the transmitting node to acquire control information that may otherwise have been transmitted during the scheduled transmission period. In some implementations data and control information are transmitted over different frequency division multiplexed channels to enable concurrent transmission of the data and control information.

摘要翻译： 无线媒体访问控制支持异步通信和重叠传输。 这里，无线节点可以基于从相邻节点接收到的控制消息来确定是否请求或调度传输。 在一些实施方式中，调度的传输可以被划分成若干段，使得发射节点可以在段之间接收和发送控制消息。 在一些实施方式中，在调度的传输周期之后定义监视周期，以使得发送节点获取否则可能在调度的传输周期期间已经发送的控制信息。 在一些实施方式中，数据和控制信息通过不同的频分多路复用通道传输，以实现数据和控制信息的并发传输。

公开(公告)号：US08305948B2

公开(公告)日：2012-11-06

申请号：US11939379

申请日：2007-11-13

申请人： Shravan K. Surineni ,  Sanjiv Nanda

发明人： Shravan K. Surineni ,  Sanjiv Nanda

IPC分类号： H04H20/71

CPC分类号： H04W74/0816

摘要： Systems and methodologies are described that facilitate coordinating and conducting transmissions to multiple stations in a wireless communication system during a single transmission opportunity. A holder of a transmission opportunity can communicate a request-to-send message or a self-addressed clear-to-send message to one or more stations to establish the transmission opportunity. Subsequently, data transmissions with respective stations can be initiated by transmitting request-to-send messages to the respective stations. At each receiving station, the source address of a received request-to-send message is compared to the address of the holder of the transmission opportunity. If the addresses match for a given request-to-send message, the receiving station transmits a clear-to-send message to the holder of the transmission opportunity in response to the request-to-send message.

摘要翻译： 描述了在单个传输机会期间促进协调和执行无线通信系统中的多个站的传输的系统和方法。 发送机会的持有者可以将请求发送消息或自寻址清除发送消息传送到一个或多个站以建立传输机会。 随后，可以通过向相应站发送请求发送消息来启动与各个站的数据传输。 在每个接收站处，将接收的请求发送消息的源地址与发送机会的持有者的地址进行比较。 如果地址匹配给定的请求发送消息，则接收站响应于请求发送消息向发送机会的持有者发送清除发送消息。