公开(公告)号：US20100226275A1

公开(公告)日：2010-09-09

申请号：US12784678

申请日：2010-05-21

申请人： Ashwin Sampath ,  David Jonathan Julian ,  Gavin Bermard Horn ,  Husheng Li

发明人： Ashwin Sampath ,  David Jonathan Julian ,  Gavin Bermard Horn ,  Husheng Li

IPC分类号： H04L12/26

CPC分类号： H04W72/1236 ,  H04W28/22 ,  H04W52/04 ,  H04W72/1231

摘要： Embodiments describe flow based fair scheduling in a wireless multi-hop network. The scheduling can be rate controlled multi-hop scheduling or power controlled multi-hop scheduling. The scheduling chosen is intended to provide maxmin fairness over all flows within the wireless network.

摘要翻译： 实施例描述了在无线多跳网络中基于流的公平调度。 调度可以是速率控制的多跳调度或功率控制的多跳调度。 所选择的调度旨在为无线网络内的所有流提供最大公平性。

公开(公告)号：US20100208632A1

公开(公告)日：2010-08-19

申请号：US12652636

申请日：2010-01-05

申请人： Siddharth Ray ,  Ashwin Sampath

发明人： Siddharth Ray ,  Ashwin Sampath

IPC分类号： H04B7/00 ,  H04L29/02

CPC分类号： H04W28/065 ,  H04W80/02

摘要： Certain aspects of the present disclosure provide a technique for bundling the received service data units (SDU) in a first communication layer to generate a protocol data unit (PDU) to pass to a second communication layer. For example, one or more packet data convergence protocol (PDCP) SDUs may be concatenated to generate a PDCP PDU and be sent to a radio link control (RLC) layer in the transmitter side. Similarly, one or more PDCP SDUs may be extracted from a PDCP PDU in the receiver side.

摘要翻译： 本公开的某些方面提供了用于在第一通信层中捆绑所接收的服务数据单元（SDU）以产生要传递到第二通信层的协议数据单元（PDU）的技术。 例如，一个或多个分组数据会聚协议（PDCP）SDU可以被级联以产生PDCP PDU并被发送到发射机侧的无线电链路控制（RLC）层。 类似地，可以从接收机侧的PDCP PDU提取一个或多个PDCP SDU。

公开(公告)号：US20100198953A1

公开(公告)日：2010-08-05

申请号：US12365249

申请日：2009-02-04

申请人： Gavin Horn ,  Ashwin Sampath ,  Sanjiv Nanda

发明人： Gavin Horn ,  Ashwin Sampath ,  Sanjiv Nanda

IPC分类号： G06F15/173 ,  H04W4/00

CPC分类号： H04W72/0406 ,  H04W72/0446 ,  H04W72/12 ,  H04W74/08 ,  H04W92/18

摘要： A method of managing contention in a wireless network is described. The wireless network may include an access router and a plurality of access terminals connectable to the base station. The method may include designating a data slot as a downlink slot or an uplink slot, and sending a signal from the access router to the access terminals to indicate the designation of the data slot. The access router may determine whether the data slot should be designated as a downlink slot or an uplink slot by assessing information such QoS (quality of service) requirements contained in a REQ message received from one or more of the access terminals, and information regarding buffer level received from one or more of the access terminals.

摘要翻译： 描述了一种在无线网络中管理竞争的方法。 无线网络可以包括接入路由器和可连接到基站的多个接入终端。 该方法可以包括将数据时隙指定为下行链路时隙或上行链路时隙，以及从接入路由器向接入终端发送信号以指示数据时隙的指定。 访问路由器可以通过评估包含在从一个或多个接入终端接收的REQ消息中的QoS（服务质量）要求以及关于缓冲器的信息来确定数据时隙是否应当被指定为下行链路时隙或上行链路时隙 从一个或多个接入终端接收的电平。

公开(公告)号：US20100195585A1

公开(公告)日：2010-08-05

申请号：US12365253

申请日：2009-02-04

申请人： Gavin Horn ,  Ashwin Sampath ,  Sanjiv Nanda

发明人： Gavin Horn ,  Ashwin Sampath ,  Sanjiv Nanda

IPC分类号： H04W74/04

CPC分类号： H04W74/08 ,  H04W72/0446 ,  H04W72/12

摘要： A method of scheduling among a plurality of nodes may include performing a first sequence of steps followed by a second sequence of steps, each sequence including a Tx step followed by a Rx step. During the Tx step, a node may send a REQ signal containing a request to transmit. During the Rx step, another node may receive the request signal, and respond by sending a confirmation signal indicating an acceptation or a declination of the REQ signal. The REQ signal includes a unicast portion and a broadcast portion. In an uplink mode of the slot, the responding nodes may use the unicast portion of the REQ signal to send supplemental information, in addition to the indication of the acceptation or the declination of the REQ signal.

摘要翻译： 多个节点之间的调度方法可以包括执行第一步骤序列，随后是第二步骤序列，每个序列包括跟随着步骤的Tx步骤。 在Tx步骤期间，节点可以发送包含要发送的请求的REQ信号。 在Rx步骤期间，另一个节点可以接收请求信号，并通过发送指示REQ信号的接受或偏移的确认信号进行响应。 REQ信号包括单播部分和广播部分。 在时隙的上行链路模式中，除了REQ信号的接受或偏移的指示之外，响应节点还可以使用REQ信号的单播部分来发送补充信息。

公开(公告)号：US20100118793A1

公开(公告)日：2010-05-13

申请号：US12267945

申请日：2008-11-10

申请人： Gavin Horn ,  Ashwin Sampath ,  Junyi Li ,  Rajiv Laroia

发明人： Gavin Horn ,  Ashwin Sampath ,  Junyi Li ,  Rajiv Laroia

IPC分类号： H04W72/04

CPC分类号： H04W72/042 ,  H04W72/0473

摘要： Methods and apparatus related to partitioning traffic segments are described. An access router, having concurrent connections with two access terminals and desiring to transmit traffic signals to the two access terminals in the same traffic segment, partitions a traffic segment. The partition is such that a first portion of the traffic segment is allocated to a first access terminal and a second portion of the traffic segment is allocated to the second access terminal. Control information, e.g., identifying partition portion assignments, data rate and/or coding information, is also communicated in the traffic segment as in-band control signaling. An access terminal, to which some of traffic signals are directed, receives and recovers the in-band control signaling, identifying its allocated partition portion of the traffic segment and identifying data rate and/or coding information used. The access terminal receives the traffic segment signals in its allocated partition portion and recovers the traffic information.

摘要翻译： 描述与划分业务段相关的方法和设备。 具有与两个接入终端的并发连接并且希望向同一业务段中的两个接入终端发送业务信号的接入路由器划分业务段。 该分区使得业务段的第一部分被分配给第一接入终端，业务段的第二部分被分配给第二接入终端。 控制信息，例如识别分区部分分配，数据速率和/或编码信息也在业务段中作为带内控制信令传送。 一些交通信号指向的接入终端接收和恢复带内控制信令，识别其分配的业务段的划分部分并识别所使用的数据速率和/或编码信息。 接入终端在其分配的分区部分接收业务段信号，并恢复业务信息。

公开(公告)号：US20090279563A1

公开(公告)日：2009-11-12

申请号：US12437036

申请日：2009-05-07

申请人： Ashwin Sampath ,  Gavin Horn ,  Husheng Li

发明人： Ashwin Sampath ,  Gavin Horn ,  Husheng Li

IPC分类号： H04J3/26

CPC分类号： H04W72/0473 ,  H04H40/00 ,  H04H2201/40 ,  H04W52/243 ,  H04W52/322 ,  H04W72/005

摘要： Aspects describe conveying unicast information and broadcast information in a resource set for a transmission request. The unicast information and broadcast information can be transmitted at substantially the same time. Power control can be applied separately to the unicast information and the broadcast information for reliable decoding. A null request can be indicated by “00” bits in a unicast portion and a zero power level in the broadcast portion.

摘要翻译： 方面描述在用于传输请求的资源集中传送单播信息和广播信息。 可以基本上同时发送单播信息和广播信息。 功率控制可以单独应用于单播信息和广播信息，以进行可靠的解码。 可以通过广播部分中的单播部分中的“00”比特和零功率电平来指示空请求。

公开(公告)号：US20090197629A1

公开(公告)日：2009-08-06

申请号：US12262022

申请日：2008-10-30

申请人： Mohammad J. Borran ,  Aamod Khandekar ,  Naga Bhushan ,  Ashwin Sampath ,  Alexei Gorokhov ,  Avneesh Agrawal ,  Ravi Palanki ,  Gavin B. Horn

发明人： Mohammad J. Borran ,  Aamod Khandekar ,  Naga Bhushan ,  Ashwin Sampath ,  Alexei Gorokhov ,  Avneesh Agrawal ,  Ravi Palanki ,  Gavin B. Horn

IPC分类号： H04B7/00

CPC分类号： H04W72/048 ,  H04W52/242 ,  H04W52/243 ,  H04W52/28 ,  H04W52/325 ,  H04W52/34

摘要： Techniques for transmitting data with short-term interference mitigation in a wireless communication system are described. In one design, a first station (e.g., a base station or a terminal) may receive a message sent by a second station to request reduction of interference on at least one resource. In response to receiving the message, the first station may determine a first transmit power level to use for the at least one resource based on one or more factors such as a priority metric sent in the message, the buffer size at the first station, etc. The first station may send a power decision pilot on the at least one resource at a second transmit power level determined based on the first transmit power level.

摘要翻译： 描述了在无线通信系统中发送具有短期干扰抑制的数据的技术。 在一种设计中，第一站（例如，基站或终端）可以接收由第二站发送的消息以请求减少对至少一个资源的干扰。 响应于接收到消息，第一站可以基于一个或多个因素来确定用于至少一个资源的第一发射功率电平，诸如消息中发送的优先级度量，第一站的缓冲器大小等 第一站可以基于第一发射功率电平确定的第二发射功率电平在所述至少一个资源上发送功率决定导频。

公开(公告)号：US20090197588A1

公开(公告)日：2009-08-06

申请号：US12260849

申请日：2008-10-29

申请人： Aamod Khandekar ,  Avneesh Agrawal ,  Ashwin Sampath ,  Gavin B. Horn ,  Alexei Gorokhov ,  Naga Bhushan ,  Tingfang Ji

发明人： Aamod Khandekar ,  Avneesh Agrawal ,  Ashwin Sampath ,  Gavin B. Horn ,  Alexei Gorokhov ,  Naga Bhushan ,  Tingfang Ji

IPC分类号： H04W4/00 ,  H04B1/00

CPC分类号： H04W72/082 ,  H04W52/243 ,  H04W72/0426 ,  H04W84/045 ,  H04W92/20 ,  Y02D70/00

摘要： Providing for interference reduction and/or avoidance utilizing backhaul signaling between wireless access points (APs) of a wireless access network (AN) is described herein. By way of example, an interference avoidance request (IAR) can be issued by an AP to reduce signal interference on forward link (FL) and/or downlink (DL) transmissions by neighboring APs. The IAR can be routed via a backhaul network and/or over-the-air via access terminals (ATs) coupled with the AP or one or more interfering APs. Upon receiving the IAR, an interfering AP can determine reduced transmit power levels for FL and/or RL transmissions and respond to the IAR. The response can include reduced power levels and can be sent via the backhaul network or OTA. By employing the backhaul network in full or in part, interference avoidance can be conducted even for semi-planned or unplanned heterogeneous networks coupled by the backhaul.

摘要翻译： 本文描述了在无线接入网络（AN）的无线接入点（AP）之间利用回程信令来提供减少干扰和/或避免的干扰。 作为示例，AP可以发出干扰避免请求（IAR），以减少相邻AP在前向链路（FL）和/或下行链路（DL）传输上的信号干扰。 IAR可以经由回程网络和/或通过与AP或一个或多个干扰AP耦合的接入终端（AT）进行路由。 在接收到IAR时，干扰AP可以确定用于FL和/或RL传输的降低的发射功率电平并响应于IAR。 响应可以包括降低的功率级别，并且可以通过回程网络或OTA发送。 通过全面或部分采用回程网络，即使对于通过回程耦合的半计划或计划外异构网络，也可以进行干扰回避。

公开(公告)号：US20080031224A1

公开(公告)日：2008-02-07

申请号：US11833940

申请日：2007-08-03

申请人： Sanjiv Nanda ,  Ashwin Sampath

发明人： Sanjiv Nanda ,  Ashwin Sampath

IPC分类号： H04J3/06

CPC分类号： H04W72/0426 ,  H04W72/08

摘要： A message exchange scheme for wireless communication employs a request, a grant, and a confirmation. In some implementations 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： 用于无线通信的消息交换方案采用请求，授权和确认。 在一些实现中，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：US20080031222A1

公开(公告)日：2008-02-07

申请号：US11833925

申请日：2007-08-03

申请人： Sanjiv Nanda ,  Ashwin Sampath

发明人： Sanjiv Nanda ,  Ashwin Sampath

IPC分类号： H04J3/06

CPC分类号： H04W72/1231 ,  H04W72/02 ,  H04W72/082

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。