公开(公告)号：US20100202613A1

公开(公告)日：2010-08-12

申请号：US12652656

申请日：2010-01-05

申请人： Siddharth Ray ,  Ashwin Sampath

发明人： Siddharth Ray ,  Ashwin Sampath

IPC分类号： H04L9/00

CPC分类号： H04W28/065 ,  H04W12/0013 ,  H04W80/02 ,  H04W84/042

摘要： Certain aspects of the present disclosure propose techniques for bundling and ciphering service data units (SDU) in the packet data convergence protocol (PDCP) layer. The proposed techniques increase the data rate of the communication system. At the transmitter side, the PDCP layer may bundle SDUs and cipher each SDU individually before submitting them to a lower layer. At the receiver-side, the PDCP layer may unbundle and decipher the SDUs before submitting them to higher layers.

摘要翻译： 本公开的某些方面提出了在分组数据融合协议（PDCP）层中捆绑和加密服务数据单元（SDU）的技术。 所提出的技术提高了通信系统的数据速率。 在发送端，PDCP层可以捆绑SDU，并将每个SDU分别加密，然后再提交给下层。 在接收方，PDCP层可以在将SDU提交给更高层之前解包和解密SDU。

公开(公告)号：US20100202289A1

公开(公告)日：2010-08-12

申请号：US12698349

申请日：2010-02-02

申请人： Ritesh K. Madan ,  Jaber M. Borran ,  Aamod D. Khandekar ,  Tingfang Ji ,  Ashwin Sampath

发明人： Ritesh K. Madan ,  Jaber M. Borran ,  Aamod D. Khandekar ,  Tingfang Ji ,  Ashwin Sampath

IPC分类号： H04W28/10 ,  H04W52/04

CPC分类号： H04W52/243 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/0048 ,  H04L5/006 ,  H04L5/0062 ,  H04L5/0064 ,  H04L5/0067 ,  H04L5/0075 ,  H04L5/0085 ,  H04L5/0087 ,  H04L5/0094 ,  H04L25/0228 ,  H04W52/26 ,  H04W52/34 ,  H04W72/0426 ,  H04W72/08

摘要： Systems and methodologies are described herein that facilitate interference control and resource management in a wireless communication system. As described herein, a base station, terminal, and/or other entity in a wireless communication system that observes interference from one or more other network entities can construct and communicate resource utilization messages (RUMs) in order to request the interfering network entities to conduct power backoff on designated resources. Parameters constructed as a function of quality of service (QoS) and/or priority metrics (such as head-of-line delays, queue lengths, burst sizes, delay targets, average rates, or the like) can be included within the RUM, such that an entity receiving the RUM can compute QoS changes associated with various power backoff levels in order to select a power backoff level that maximizes overall system QoS performance.

摘要翻译： 本文描述了促进无线通信系统中的干扰控制和资源管理的系统和方法。 如本文所述，观察来自一个或多个其他网络实体的干扰的无线通信系统中的基站，终端和/或其他实体可以构建和通信资源利用消息（RUM），以便请求干扰网络实体进行 指定资源的电力回馈。 作为服务质量（QoS）和/或优先级度量（诸如线路延迟，队列长度，突发大小，延迟目标，平均速率等）的函数构造的参数可以包括在RUM内， 使得接收RUM的实体可以计算与各种功率回退电平相关联的QoS变化，以便选择最大化整个系统QoS性能的功率回退电平。

公开(公告)号：US20100158044A1

公开(公告)日：2010-06-24

申请号：US12643713

申请日：2009-12-21

申请人： Siddharth Ray ,  Ashwin Sampath ,  Peter A. Barany

发明人： Siddharth Ray ,  Ashwin Sampath ,  Peter A. Barany

IPC分类号： H04J3/22

CPC分类号： H04W28/065 ,  H04L63/0428 ,  H04W12/02 ,  H04W80/02

摘要： Techniques for bundling and ciphering data prior to transmission are described. In an exemplary design, a transmitting entity receives a plurality of service data units (SDUs) from an upper layer, assigns sequential sequence numbers to the SDUs, and bundles the SDUs into a single protocol data unit (PDU). In one design, the transmitting entity generates a single count value based on a sequence number of a designated SDU (e.g., the first SDU) in the PDU and ciphers all SDUs based on the single count value. In another design, the transmitting entity ciphers each segment of at least two SDUs in the PDU based on a count value for that segment. The transmitting entity generates a header with at least one sequence number and possibly length and/or other information for the SDUs. The transmitting entity forms the PDU with the header and the SDUs and passes the PDU to a lower layer.

摘要翻译： 描述在传输之前捆绑和加密数据的技术。 在示例性设计中，发送实体从上层接收多个服务数据单元（SDU），向SDU分配顺序序列号，并将SDU捆绑成单个协议数据单元（PDU）。 在一种设计中，发送实体基于PDU中的指定SDU（例如，第一SDU）的序列号生成单个计数值，并且基于单个计数值对所有SDU进行加密。 在另一种设计中，发送实体基于该段的计数值对PDU中的至少两个SDU的每个段进行加密。 发送实体生成具有SDU的至少一个序列号和可能的长度和/或其他信息的报头。 发送实体与报头和SDU形成PDU，并将PDU传递给下层。

公开(公告)号：US20100120372A1

公开(公告)日：2010-05-13

申请号：US12267888

申请日：2008-11-10

申请人： Junyi Li ,  Saurabh Tavildar ,  Rajiv Laroia ,  Gavin Horn ,  Ashwin Sampath ,  Xinzhou Wu

发明人： Junyi Li ,  Saurabh Tavildar ,  Rajiv Laroia ,  Gavin Horn ,  Ashwin Sampath ,  Xinzhou Wu

IPC分类号： H04B7/005

CPC分类号： H04W72/1278 ,  H04L5/0007 ,  H04L5/0032 ,  H04L5/0053 ,  H04L5/0091 ,  H04L67/104 ,  H04W72/1226 ,  H04W84/18

摘要： Methods and apparatus well suited to decentralized traffic scheduling in wireless peer to peer network are described. An individual wireless terminal corresponding to a peer to peer connection makes a transmitter yielding or receiver yielding decision for a traffic slot. Quality of service information is disseminated as part of the scheduling control signaling. A scheduling control signal, e.g., a traffic transmission request signal or a traffic transmission request response signal, includes a pilot portion and a quality of service information portion. The pilot facilitates the recovery of the quality of service information by a plurality of different devices which may have different channel conditions with respect to the transmitter of the scheduling control signal. The different devices may benefit from utilizing the recovered quality of service information in making a yielding decision regarding traffic signaling in a traffic segment.

摘要翻译： 描述了非常适合无线对等网络中分散业务调度的方法和设备。 与对等连接相对应的单个无线终端为业务时隙做出发射机屈服或接收机容易判定。 服务质量信息作为调度控制信令的一部分传播。 诸如业务传输请求信号或业务传输请求响应信号的调度控制信号包括导频部分和服务质量信息部分。 导频有助于通过可能具有与调度控制信号的发射机不同的信道条件的多个不同设备来恢复业务质量信息。 不同的设备可以受益于利用恢复的服务质量信息作出关于业务段中的业务信令的收益决定。

公开(公告)号：US20090201846A1

公开(公告)日：2009-08-13

申请号：US12365777

申请日：2009-02-04

申请人： Gavin B. Horn ,  Avneesh Agrawal ,  Ashwin Sampath ,  Alexei Y. Gorokhov ,  Naga Bhushan

发明人： Gavin B. Horn ,  Avneesh Agrawal ,  Ashwin Sampath ,  Alexei Y. Gorokhov ,  Naga Bhushan

IPC分类号： H04B7/14 ,  H04W74/04 ,  H04W72/00

CPC分类号： H04W72/1263 ,  H04W72/00 ,  H04W72/04 ,  H04W72/0486 ,  H04W84/047 ,  H04W84/18 ,  H04W88/04

摘要： Systems and methodologies are described that facilitate scheduling over multiple hops in a wireless communication network. Radio resources can be partitioned into sets of sub-frames that can be allocated statically and/or dynamically. Statically allocated radio resources can be reassigned over time based on the loading on each hop and/or throughput imbalance. In addition, dynamic assignment of sub-frames to each hop can be based on traffic or channel conditions. Moreover, the radio resources can be dynamically allocated in a distributed scheme, wherein a base station controls the scheduling of resources, or a centralized scheme, wherein a relay station controls the scheduling of resources. Furthermore the allocation of radio resources can be transparent or explicit. In the transparent case, the access terminal listens directly to the base station, and the relay station does not transmit control information, such as DL or UL assignments. Conversely, when the allocation of resources is explicit the relay station does transmit control information.

摘要翻译： 描述了有助于在无线通信网络中的多跳上进行调度的系统和方法。 无线电资源可以被划分成静态和/或动态分配的子帧集合。 基于每跳和/或吞吐量不平衡的负载，可以随时间重新分配静态分配的无线电资源。 此外，每个跳跃的子帧的动态分配可以基于业务或信道条件。 此外，无线电资源可以以分布式方案动态分配，其中基站控制资源的调度或集中式方案，其中中继站控制资源的调度。 此外，无线电资源的分配可以是透明或明确的。 在透明情况下，接入终端直接监听基站，中继站不发送DL或UL分配等控制信息。 相反，当资源分配明确时，中继站确实发送控制信息。

公开(公告)号：US07453933B2

公开(公告)日：2008-11-18

申请号：US09848259

申请日：2001-05-04

申请人： Daniel R. Jeske ,  Pantelis Monogioudis ,  Kiran M. Rege ,  Ashwin Sampath

发明人： Daniel R. Jeske ,  Pantelis Monogioudis ,  Kiran M. Rege ,  Ashwin Sampath

IPC分类号： H04B3/46 ,  H04B17/00 ,  H04Q1/20

CPC分类号： H04L27/18 ,  H04B17/336 ,  H04L1/20

摘要： In the method of estimating a signal-to-interference+noise ratio (SINR), either the polarities or bit values of a plurality of received data symbol samples are estimated. Then an SINR estimate is generated based on the plurality of received data symbol samples and the estimated polarities or bit values of the plurality of received data symbol samples such that the SINR estimate is not substantially dependent on the polarities or a bit value of the plurality of received data symbol samples.

摘要翻译： 在估计信号与干扰+噪声比（SINR）的方法中，估计多个接收数据符号采样的极性或位值。 然后基于多个接收的数据符号采样和多个接收的数据符号采样的估计的极性或位值产生SINR估计，使得SINR估计基本上不取决于多个接收数据符号采样的极性或位值 收到的数据符号样本。

公开(公告)号：US20080031223A1

公开(公告)日：2008-02-07

申请号：US11833935

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

摘要： A monitoring period is defined after a scheduled transmission period to enable a transmitting node to acquire control information that may otherwise have been transmitted during the scheduled transmission period. In some implementations the 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 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 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： 在调度的传输周期之后定义监视周期，以使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。 在一些实现中，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，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：US20080031172A1

公开(公告)日：2008-02-07

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： H04B7/00

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：US07304971B2

公开(公告)日：2007-12-04

申请号：US10285413

申请日：2002-11-01

申请人： Krishna Balachandran ,  Arnab Das ,  Ashwin Sampath ,  Hsuan-Jung Su

发明人： Krishna Balachandran ,  Arnab Das ,  Ashwin Sampath ,  Hsuan-Jung Su

IPC分类号： H04B7/212

CPC分类号： H04B7/2628

摘要： In the method, information from a user is transmitted over one or more communication channels of a wireless communication system by code multiplexing transmissions in the code domain. The method may include code multiplexing a first information from the user over a first channel with a second information from the user over a second channel, and determining a transmission format for the first and second channels. The transmission format may be determined based on one or more of available transmit power, transmission time interval, a coding dimension used for multiplexing, and transmit power used per code. The first information and second information are transmitted over the respective channels based on the determined transmission format.

摘要翻译： 在该方法中，来自用户的信息通过代码域中的多路传输通过无线通信系统的一个或多个通信信道进行发送。 该方法可以包括通过第一信道从用户对来自用户的第一信息进行码复用，以及通过第二信道来自用户的第二信息，以及确定第一和第二信道的传输格式。 可以基于可用发射功率，传输时间间隔，用于多路复用的编码维度和每代码使用的发射功率中的一个或多个确定传输格式。 基于确定的传输格式，通过各个信道发送第一信息和第二信息。

公开(公告)号：US20060164984A1

公开(公告)日：2006-07-27

申请号：US10988746

申请日：2004-11-14

申请人： Sandeep Hebbani Rao ,  Shyamasundar Kaluve ,  Senthilkumar Krishnamurthy ,  Venkateshwar Pullela ,  Ashwin Sampath

发明人： Sandeep Hebbani Rao ,  Shyamasundar Kaluve ,  Senthilkumar Krishnamurthy ,  Venkateshwar Pullela ,  Ashwin Sampath

IPC分类号： H04L12/26

CPC分类号： H04L63/101 ,  H04L12/185 ,  H04L63/104

摘要： Disclosed are, inter alia, methods, apparatus, data structures, computer-readable media, and mechanisms for limiting unauthorized multicast sources. One or more access control lists are typically configured in a switching device to a state that denies forwarding of multicast packets with a particular host as its source. In response to a received multicast application admission-control message identifying the particular host, the one or more access control lists in the switching device are updated to allow multicast messages sent from the particular host to be forwarded. In one system, the received multicast application admission-control message is an Internet Group Management Protocol (IGMP) message. In response to the received multicast application admission-control message identifying the particular host, one system automatically adds one or more entries to the one or more access control lists to allow multicast traffic to be sent to and received from a next switching device leading to a corresponding multicast Rendezvous Point.

摘要翻译： 公开的方法，装置，数据结构，计算机可读介质和用于限制未经授权的组播源的机制。 一个或多个访问控制列表通常在交换设备中配置为拒绝以特定主机作为其源的多播分组的转发的状态。 响应于接收到的识别特定主机的多播应用准入控制消息，更新交换设备中的一个或多个访问控制列表以允许从特定主机发送的多播消息被转发。 在一个系统中，所接收的组播应用准入控制消息是因特网组管理协议（IGMP）消息。 响应于接收到的组播应用准入控制消息标识特定主机，一个系统自动将一个或多个条目添加到一个或多个访问控制列表，以允许将多播业务发送到下一个交换设备并从其接收，从而导致 相应的组播集合点。