中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

42 records (took 0.033 seconds)

    Packet bundling at the PDCP layer
    31.
    发明授权
    Packet bundling at the PDCP layer 失效
    分组捆绑在PDCP层

    公开(公告)号：US08711881B2

    公开(公告)日：2014-04-29

    申请号：US12652636

    申请日：2010-01-05

    Applicant: Siddharth Ray ,  Ashwin Sampath

    Inventor： Siddharth Ray ,  Ashwin Sampath

    IPC: H04J3/22

    CPC classification number: H04W28/065 ,  H04W80/02

    Abstract: 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.

    Abstract translation: 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。

    Unbundling packets received in wireless communications
    32.
    发明授权
    Unbundling packets received in wireless communications 失效
    在无线通信中收到的分组数据包

    公开(公告)号：US08644338B2

    公开(公告)日：2014-02-04

    申请号：US12652665

    申请日：2010-01-05

    Applicant: Ashwin Sampath ,  Siddharth Ray

    Inventor： Ashwin Sampath ,  Siddharth Ray

    IPC: H04J3/16

    CPC classification number: H04L47/10 ,  H04L47/14 ,  H04L47/24 ,  H04W28/065

    Abstract: Systems and methodologies are described that facilitate unbundling and processing partial packet data units (PDU). PDUs can be transmitted at a communication layer and can include partial PDUs of a disparate communication layer. Complete SDUs can be determined in the partial PDU and provided to an upper communication layer. In addition, however, the partial PDU can comprise a partial SDU. Upon receiving a remaining or additional portion of the partial PDU, a remaining or additional portion of the partial SDU can be combined with the partial SDU to create a complete SDU (or a larger portion thereof). Where a complete SDU is created, it can be provided to an upper communication layer. Alternatively, the partial PDU can be combined with the remaining portion of the partial PDU to generate a complete or larger PDU, from which the previously incomplete SDU can be retrieved and provided to an upper communication layer.

    Abstract translation: 描述了便于拆分和处理部分分组数据单元（PDU）的系统和方法。 PDU可以在通信层发送，并且可以包括不同通信层的部分PDU。 完整的SDU可以在部分PDU中确定并提供给上层通信层。 然而，此外，部分PDU可以包括部分SDU。 在接收到部分PDU的剩余部分或附加部分时，部分SDU的剩余部分或附加部分可以与部分SDU组合以创建完整的SDU（或其较大部分）。 在创建完整的SDU的地方，可以将其提供给上层通信层。 或者，部分PDU可以与部分PDU的剩余部分组合以生成完整或更大的PDU，从该PDU可以检索先前不完整的SDU并将其提供给上层通信层。

    Methods and apparatus for reducing or avoiding use of non-shift based divisions in a communications device
    34.
    发明授权
    Methods and apparatus for reducing or avoiding use of non-shift based divisions in a communications device 有权
    用于减少或避免在通信设备中使用基于非移位的划分的方法和装置

    公开(公告)号：US08346829B2

    公开(公告)日：2013-01-01

    申请号：US12412340

    申请日：2009-03-26

    Applicant: Siddharth Ray ,  Sundeep Rangan

    Inventor： Siddharth Ray ,  Sundeep Rangan

    IPC: G06F7/00 ,  G06F17/10 ,  G06F7/52

    CPC classification number: G06F17/10 ,  H04L25/03006 ,  H04L2025/0342 ,  H04L2025/03426

    Abstract: Methods and apparatus which reduce or completely eliminate non-shift based divisions as part of estimating transmitted symbols and/or generating slicing parameters corresponding to two symbol transmission streams in a wireless communication system are described. A linear least squares error estimation filtering module performs symbol estimations and/or slicing parameter generation while avoiding non-shift based division operations. The linear least squares estimation module generates intermediate parameters, and implements equations which facilitate symbol estimation utilizing shift based divisions while avoiding non-shift based divisions.

    Abstract translation: 描述了作为在无线通信系统中估计传输符号和/或生成与两个符号传输流相对应的限幅参数的一部分来减少或完全消除基于非移位的部分的方法和装置。 线性最小二乘误差估计滤波模块执行符号估计和/或限制参数生成，同时避免基于非移位的划分操作。 线性最小二乘估计模块生成中间参数，并且实现方便符号估计的等式，利用基于移位的划分，同时避免基于非移位的划分。

    Scaling methods and apparatus using SNR estimate to avoid overflow
    36.
    发明授权
    Scaling methods and apparatus using SNR estimate to avoid overflow 失效
    使用SNR估计的缩放方法和装置避免溢出

    公开(公告)号：US08311143B2

    公开(公告)日：2012-11-13

    申请号：US12404956

    申请日：2009-03-16

    Applicant: Siddharth Ray ,  Sundeep Rangan

    Inventor： Siddharth Ray ,  Sundeep Rangan

    IPC: H04B7/02

    CPC classification number: H04B7/0617 ,  H04B7/0848 ,  H04L1/0001 ,  H04L1/20 ,  H04L25/0206 ,  H04L2025/03426

    Abstract: Methods and apparatus for avoiding overflow and underflow conditions through the determination of appropriate scaling factors in signal estimation processing in a receiver are described. The receiver estimates transmitted symbols from one or more transmitter device antennas, while avoiding underflow and overflow conditions. A pilot based noise estimate and an estimated expected received signal power, corresponding to a transmit antenna, are used to generate an SNR corresponding to the transmit antenna. The generated SNR is used to determine, e.g., select from a fixed size set of predetermined scale factor values, a scale factor to be used for estimation processing associated with the transmit antenna. In some embodiments, the generated scaling factors are used by a fixed point processing linear least squares error estimation module. Scaling factor determination is performed at a rate which is slower than the rate at which symbols are received from a transmit antenna.

    Abstract translation: 描述了通过在接收机中的信号估计处理中确定适当的缩放因子来避免溢出和下溢条件的方法和装置。 接收机估计来自一个或多个发射机设备天线的发送符号，同时避免下溢和溢出条件。 使用对应于发射天线的基于导频的噪声估计和估计的预期接收信号功率来产生对应于发射天线的SNR。 所生成的SNR用于确定例如从预定比例因子值的固定大小集合中选择要用于与发射天线相关联的估计处理的比例因子。 在一些实施例中，生成的缩放因子由固定点处理线性最小二乘误差估计模块使用。 缩放因子确定以比从发送天线接收符号的速率慢的速率执行。

    Division of the scheduling algorithm into background and foreground algorithms
    37.
    发明授权
    Division of the scheduling algorithm into background and foreground algorithms 有权
    将调度算法分为背景和前景算法

    公开(公告)号：US08139533B2

    公开(公告)日：2012-03-20

    申请号：US12261297

    申请日：2008-10-30

    Applicant: Ritesh K. Madan ,  Arnab Das ,  Sundeep Rangan ,  Siddharth Ray

    Inventor： Ritesh K. Madan ,  Arnab Das ,  Sundeep Rangan ,  Siddharth Ray

    IPC: H04W4/00

    CPC classification number: H04L47/823 ,  H04L47/70 ,  H04W16/22 ,  H04W72/04 ,  H04W72/12

    Abstract: Systems and methodologies are described that facilitate dividing scheduling algorithms into background and foreground aspects capable of simultaneously servicing a multiplicity of disparate flows in wideband communications networks. The systems provided herein arbitrarily select prospective time horizons, generate optimal bandwidth allocation targets based on a plurality of flows observed by the system, and utilizes the optimal bandwidth targets to assign flows to users over the entirety of the prospective time horizon.

    Abstract translation: 描述了有助于将调度算法分解成能够同时服务于宽带通信网络中的多个不同流的背景和前景方面的系统和方法。 本文提供的系统任意选择预期时间间隔，基于系统观察到的多个流生成最优带宽分配目标，并利用最优带宽目标在整个预期时间范围内为用户分配流量。

    METHODS AND APPARATUS FOR CONTENTION-BASED UPLINK ACCESS IN WIRELESS COMMUNICATION SYSTEMS
    38.
    发明申请
    METHODS AND APPARATUS FOR CONTENTION-BASED UPLINK ACCESS IN WIRELESS COMMUNICATION SYSTEMS 有权
    无线通信系统中基于内容上行接入的方法与装置

    公开(公告)号：US20120014269A1

    公开(公告)日：2012-01-19

    申请号：US12987946

    申请日：2011-01-10

    Applicant: Siddharth Ray ,  Ashwin Sampath ,  Ritesh Kumar Madan

    Inventor： Siddharth Ray ,  Ashwin Sampath ,  Ritesh Kumar Madan

    IPC: H04W72/04 ,  H04W24/00

    CPC classification number: H04W74/006 ,  H04W74/008

    Abstract: Methods and apparatus for contention-based access in a wireless communication system are disclosed. A base station may determine a contention-based resource allocation comprising a subset of available system resources. Information related to the contention-based resources may be sent to a user device. In addition, state information may be provided to the UE. The UE may generate and send a contention-based uplink transmission consistent with the allocated resources and state information.

    Abstract translation: 公开了一种在无线通信系统中基于竞争的接入的方法和装置。 基站可以确定包括可用系统资源的子集的基于竞争的资源分配。 与基于竞争的资源相关的信息可以被发送到用户设备。 此外，可以向UE提供状态信息。 UE可以生成并发送与分配的资源和状态信息一致的基于争用的上行链路传输。

    PACKET BUNDLING AT THE PDCP LAYER WITH CIPHERING ON THE PDCP SDU
    40.
    发明申请
    PACKET BUNDLING AT THE PDCP LAYER WITH CIPHERING ON THE PDCP SDU 审中-公开
    在PDCP SDU上的PDCP层上的分组包装

    公开(公告)号：US20100202613A1

    公开(公告)日：2010-08-12

    申请号：US12652656

    申请日：2010-01-05

    Applicant: Siddharth Ray ,  Ashwin Sampath

    Inventor： Siddharth Ray ,  Ashwin Sampath

    IPC: H04L9/00

    CPC classification number: H04W28/065 ,  H04W12/0013 ,  H04W80/02 ,  H04W84/042

    Abstract: 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.

    Abstract translation: 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。

Patent Agency Ranking