公开(公告)号：US08712462B2

公开(公告)日：2014-04-29

申请号：US12819191

申请日：2010-06-19

Applicant: Ritesh Kumar Madan ,  Siddharth Ray ,  Niranjan N. Ratnakar ,  Arnab Das

Inventor： Ritesh Kumar Madan ,  Siddharth Ray ,  Niranjan N. Ratnakar ,  Arnab Das

IPC: H04W52/34 ,  H04W72/12

CPC classification number: H04L5/02 ,  H04L5/0058 ,  H04L5/0078

Abstract: An apparatus and method are disclosed for determining the optimal bandwidth fractions for all the users in each frequency band in a wireless communication system to maximize the net sum of user utilities. User utilities are functions of average rates of users, where different averaging rules can be used for different users. The standard approach of computing an optimal scheduler strategy involves the solution of a convex optimization problem that has a complexity on the order of O(N3) for N flows. This approach is not feasible for online implementation having a large number of flows. The method of the present work employs an efficient computational algorithm that obtains the optimal bandwidth fractions in O(N) time. This feature makes the method suitable for implementation in wideband cellular systems like LTE (Long Term Evolution) and UMB (Ultra Mobile Broadband).

Abstract translation: 公开了一种用于确定无线通信系统中每个频带中所有用户的最佳带宽分数的装置和方法，以最大化用户实用程序的净和。 用户实用程序是用户的平均速率的函数，其中不同的平均规则可以用于不同的用户。 计算最优调度器策略的标准方法涉及对于N个流具有O（N3）级的复杂度的凸优化问题的解。 这种方法对于具有大量流量的在线实现是不可行的。 本工作的方法采用了一种在O（N）时间内获得最佳带宽分数的有效计算算法。 该特征使得该方法适用于诸如LTE（长期演进）和UMB（超移动宽带）的宽带蜂窝系统中的实现。

公开(公告)号：US20140066006A1

公开(公告)日：2014-03-06

申请号：US13604741

申请日：2012-09-06

Applicant: Siddharth Ray ,  Murari Srinivasan ,  Milo Steven Medin

Inventor： Siddharth Ray ,  Murari Srinivasan ,  Milo Steven Medin

IPC: H04W28/08 ,  H04W4/26

CPC classification number: H04W28/0289 ,  H04L12/1435 ,  H04L12/1489 ,  H04L47/122 ,  H04M15/80 ,  H04M15/8027 ,  H04W28/0247

Abstract: A network device connected to a base station via a backhaul connection may be operable to determine whether the backhaul connection is congested. The determination may be based on a periodic data cap imposed on the backhaul connections. In response to a determination that the backhaul connection is congested, the network device may configure one or more cellular communication parameters of one or more of the plurality of base stations. The determination may be based on one or more of: a total amount of data consumed over the backhaul connection during a current time period, a traffic load on the backhaul connection, and an amount of time remaining in the current time period.

Abstract translation: 通过回程连接连接到基站的网络设备可以用于确定回程连接是否拥塞。 该确定可以基于在回程连接上施加的周期性数据上限。 响应于回程连接被拥塞的确定，网络设备可以配置多个基站中的一个或多个的一个或多个蜂窝通信参数。 该确定可以基于以下中的一个或多个：在当前时间段期间通过回程连接消耗的总数量，回程连接上的业务负载以及当前时间段中剩余的时间量。

公开(公告)号：US08619572B2

公开(公告)日：2013-12-31

申请号：US12261335

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: G01R31/08

CPC classification number: H04L47/6265 ,  H04L47/50 ,  H04L47/566

Abstract: Systems and methodologies are described that facilitate scheduling best effort flows in broadband or wideband wireless communication networks. The systems can include devices and/or component that effectuate associating utility functions to multiple disparate flows based on traffic conditions extant in the wireless system, ascertaining the average rate at which the flow has been serviced in the past, and utilizing the utility function associated with the flow or the average rate that the flow has been serviced in the past to optimally schedule the flow.

Abstract translation: 描述了有助于调度宽带或宽带无线通信网络中的努力流程的系统和方法。 该系统可以包括基于无线系统中存在的交通状况来实现将效用函数与多个不同的流相关联的设备和/或组件，确定在过去服务流的平均速率，并利用与 流量或流量在过去服务的平均速率，以最佳地安排流量。

公开(公告)号：US08355455B2

公开(公告)日：2013-01-15

申请号：US12431246

申请日：2009-04-28

Applicant: Mohammad M. Mansour ,  Sundeep Rangan ,  Siddharth Ray ,  Vincent Loncke ,  Pramod K. A. Rao ,  Joshua L. Koslov

Inventor： Mohammad M. Mansour ,  Sundeep Rangan ,  Siddharth Ray ,  Vincent Loncke ,  Pramod K. A. Rao ,  Joshua L. Koslov

IPC: H04L27/28

CPC classification number: H04L27/2695 ,  H04L5/0085 ,  H04L25/0228 ,  H04L27/2657 ,  H04L27/2662 ,  H04L27/2675

Abstract: Channel estimates respectively associated with OFDM pilot symbols are used to estimate additional parameters such as change in channel phase over time, change in channel phase over frequency, and frequency selectivity.

Abstract translation: 分别与OFDM导频符号相关联的信道估计用于估计附加参数，例如随时间的信道相位的变化，信道相位频率的变化和频率选择性。

公开(公告)号：US20100284356A1

公开(公告)日：2010-11-11

申请号：US12773363

申请日：2010-05-04

Applicant: Siddharth Ray ,  Ashwin Sampath

Inventor： Siddharth Ray ,  Ashwin Sampath

IPC: H04W40/00 ,  H04W72/04

CPC classification number: H04W28/065

Abstract: Systems and methods are described to communicate information that specifies bundling of packets and to respond to the bundling in a wireless communication environment. A user equipment (UE) performs bundling of data packets without reliance on a radio resource grant. The UE can generate a bundling report comprising information that specifies at least in part the bundling and transmits the bundling report to a base station. The information can convey a number of bundled data packets; a number of unbundled data packets at the user equipment; an amount of bundled data at the mobile device; or a combination thereof. The UE can transmit the bundling report in accordance with a preconfigured delivery mode or can receive from the base station an indication of a delivery mode to transmit the bundling report. The base station can utilize the information conveyed in the bundling report to schedule radio resource(s).

Abstract translation: 描述了系统和方法来传送指定捆绑分组并且在无线通信环境中响应捆绑的信息。 用户设备（UE）在不依赖于无线电资源授权的情况下执行数据分组的捆绑。 UE可以生成捆绑报告，其包括至少部分地指定捆绑的信息，并将捆绑报告发送到基站。 该信息可以传送多个捆绑的数据包; 用户设备上的一些非捆绑数据包; 在移动设备处的捆绑数据量; 或其组合。 UE可以根据预配置的传送模式发送捆绑报告，或者可以从基站接收传送捆绑报告的传送模式的指示。 基站可以利用捆绑报告中传达的信息调度无线资源。

公开(公告)号：US20100165936A1

公开(公告)日：2010-07-01

申请号：US12643667

申请日：2009-12-21

Applicant: Siddharth Ray ,  Ashwin Sampath ,  Arnaud Meylan ,  Parag A. Agashe

Inventor： Siddharth Ray ,  Ashwin Sampath ,  Arnaud Meylan ,  Parag A. Agashe

IPC: H04W72/12

CPC classification number: H04W28/065

Abstract: Certain aspects of the present disclosure provide a technique for pre-bundling the received service data units (SDU) into an SDU bundle in a first communication layer before receiving a scheduling information from a second communication layer and adjusting the SDU bundle when the scheduling information is received.

Abstract translation: 本公开的某些方面提供了一种用于在从第二通信层接收调度信息之前将接收到的服务数据单元（SDU）预先捆绑到第一通信层中的SDU包中并且当调​​度信息为 收到了

公开(公告)号：US20090116390A1

公开(公告)日：2009-05-07

申请号：US12261335

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: H04L12/26

CPC classification number: H04L47/6265 ,  H04L47/50 ,  H04L47/566

Abstract: Systems and methodologies are described that facilitate scheduling best effort flows in broadband or wideband wireless communication networks. The systems can include devices and/or component that effectuate associating utility functions to multiple disparate flows based on traffic conditions extant in the wireless system, ascertaining the average rate at which the flow has been serviced in the past, and utilizing the utility function associated with the flow or the average rate that the flow has been serviced in the past to optimally schedule the flow.

Abstract translation: 描述了有助于调度宽带或宽带无线通信网络中的努力流程的系统和方法。 该系统可以包括基于无线系统中存在的交通状况来实现将效用函数与多个不同的流相关联的设备和/或组件，确定在过去服务流的平均速率，并利用与 流量或流量在过去服务的平均速率，以最佳地安排流量。

公开(公告)号：US09844073B2

公开(公告)日：2017-12-12

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: H04W74/00

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.

公开(公告)号：US08761021B2

公开(公告)日：2014-06-24

申请号：US13604748

申请日：2012-09-06

Applicant: Siddharth Ray ,  Murari Srinivasan ,  Milo Steven Medin

Inventor： Siddharth Ray ,  Murari Srinivasan ,  Milo Steven Medin

IPC: H04L12/26 ,  G06F15/16 ,  H04L1/00

CPC classification number: H04W28/08 ,  H04W16/08 ,  H04W24/08 ,  H04W28/0247 ,  H04W36/22 ,  H04W84/045 ,  H04W92/045

Abstract: A network device may make a determination that a first backhaul connection, which serves a first base station, is congested and that a second backhaul connection, which serves a second base station, is not congested. This determination may be made based on a first periodic data cap imposed (on the first backhaul connection, a traffic load on the first backhaul connection, a second periodic data cap imposed on the second backhaul connection, and a traffic load on the second backhaul connection. In response to the determination, the network device may configure a value of a cellular communication parameter utilized by one or both of the base stations. The configuration may comprise periodic adjustments of the value of the cellular communication parameter. The periodic adjustments may cause one or more mobile devices to be cyclically handed-over between the first base station and the second base station.

Abstract translation: 网络设备可以确定服务于第一基站的第一回程连接被拥塞，并且用于第二基站的第二回程连接不拥塞。 该确定可以基于施加的第一周期性数据上限（在第一回程连接，第一回程连接上的业务负载，施加在第二回程连接上的第二周期性数据上限以及第二回程连接上的业务负载） 响应于该确定，网络设备可以配置由一个或两个基站使用的蜂窝通信参数的值，该配置可以包括对蜂窝通信参数的值的周期性调整，周期性调整可以导致一个 或更多的移动设备在第一基站和第二基站之间循环切换。

公开(公告)号：US08743905B2

公开(公告)日：2014-06-03

申请号：US12643713

申请日：2009-12-21

Applicant: Siddharth Ray ,  Ashwin Sampath ,  Peter A. Barany

Inventor： Siddharth Ray ,  Ashwin Sampath ,  Peter A. Barany

IPC: H04J3/24

CPC classification number: H04W28/065 ,  H04L63/0428 ,  H04W12/02 ,  H04W80/02

Abstract: 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.

Abstract translation: 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。