公开(公告)号：US08175600B2

公开(公告)日：2012-05-08

申请号：US11462143

申请日：2006-08-03

申请人： Vijay G. Subramanian ,  Rajeev Agrawal ,  Anand S. Bedekar ,  Stavros Tzavidas

发明人： Vijay G. Subramanian ,  Rajeev Agrawal ,  Anand S. Bedekar ,  Stavros Tzavidas

IPC分类号： H04W36/00 ,  H04W4/00

CPC分类号： H04W36/0055

摘要： A method and apparatus for handing over a mobile station (106) from a serving base station (104a) to a target base station (104b) within a wireless communication system (100) is described. A session is established between the mobile station and the serving base station and it is determined that the mobile station is to be handed over from the serving base station to the target base station. The target base station notifies the serving base station of identifying data of the target base station and added to the identifying data is a message to be sent to mobile station regarding the handover of the mobile station. The serving base station sends the message including the identifying data to the mobile station and the mobile station is handed over from the serving base station to the target base station using the identifying data of the target base station.

摘要翻译： 描述了一种用于在无线通信系统（100）内将移动台（106）从服务基站（104a）移交到目标基站（104b）的方法和装置。 在移动台和服务基站之间建立会话，并且确定移动台将从服务基站切换到目标基站。 目标基站向服务基站通知目标基站的识别数据，并且添加到识别数据中的是要向移动台发送关于移动台的切换的消息。 服务基站使用识别数据向移动台发送包含识别数据的消息，移动台使用目标基站的识别数据从服务基站切换到目标基站。

公开(公告)号：US08009637B2

公开(公告)日：2011-08-30

申请号：US11624428

申请日：2007-01-18

申请人： John M. Harris ,  Vijay G. Subramanian

发明人： John M. Harris ,  Vijay G. Subramanian

IPC分类号： H04B7/216

CPC分类号： H04J13/16 ,  H04W74/08

摘要： Various embodiments are described which may serve to improve spreading channel code selection in wireless technologies that employ two-stage ranging. For example, some of the embodiments enable a number of spreading codes to be reused at each network node (111, 112), potentially increasing the number of codes available to each remote unit and thereby reducing the collision rate. Rather than simply selecting a spreading channel code randomly, remote units (101-103), in some embodiments, select a spreading channel code based on one or more considerations such as pilot signal strength, remote unit location, a remote unit mobility level, and a priority class associated with the remote unit. Depending on the embodiment, network nodes can partition the spreading codes into groups and then assign link bandwidth to remote units based on the group associated with the code selected by that remote unit.

摘要翻译： 描述了可以用于改进采用两级测距的无线技术中的扩展信道码选择的各种实施例。 例如，一些实施例使得能够在每个网络节点（111,112）处重新使用多个扩展码，从而潜在地增加每个远程单元可用的代码数量，从而降低冲突率。 在一些实施例中，远程单元（101-103）不是简单地随机选择扩展信道码，而是基于诸如导频信号强度，远程单元位置，远程单元移动性水平的一个或多个考虑来选择扩展信道码，以及 与远程单元相关联的优先级。 根据实施例，网络节点可以将扩展码划分成组，然后基于与由该远程单元选择的代码相关联的组，将链路带宽分配给远程单元。

公开(公告)号：US07586990B2

公开(公告)日：2009-09-08

申请号：US11286944

申请日：2005-11-22

申请人： Vijay G. Subramanian ,  Rajeev Agrawal ,  Randall Berry ,  Jiawei Huang

发明人： Vijay G. Subramanian ,  Rajeev Agrawal ,  Randall Berry ,  Jiawei Huang

IPC分类号： H04K1/10 ,  H04L27/00

CPC分类号： H04L5/023

摘要： A method and system for allocating a plurality of subcarriers to a plurality of subscriber devices in a wireless network. A set of characteristics is identified (302) for a transmission on each of the plurality of subcarriers. A dynamic weight is assigned (304) to at least one subscriber device of the plurality of subscriber devices at each decision instance of the transmission corresponding to the at least subscriber device. The assignment of the dynamic weight is based on at least one of a throughput, delay, packet-loss and queue length requirement of one or more flows of the subscriber device. Further, a set of optimum values is determined (306) for the set of characteristics based on the dynamic weights and channel feedback. The plurality of subcarriers are allocated (308) to the at least one subscriber device based on at least one optimum value of the set of optimum values.

摘要翻译： 一种用于向无线网络中的多个订户设备分配多个子载波的方法和系统。 识别（302）用于多个子载波中的每一个上的传输的一组特性。 在对应于至少订户设备的传输的每个决策实例处，将动态权重（304）分配给多个订户设备中的至少一个订户设备。 动态权重的分配基于用户设备的一个或多个流的吞吐量，延迟，分组丢失和队列长度要求中的至少一个。 此外，基于动态权重和信道反馈确定一组特征的一组最优值（306）。 基于最优值集合的至少一个最佳值，将多个子载波分配给至少一个用户设备（308）。

公开(公告)号：US07539214B2

公开(公告)日：2009-05-26

申请号：US11007465

申请日：2004-12-08

申请人： John M. Harris ,  Vijay G. Subramanian ,  Fan Wang ,  Jyoti Black

发明人： John M. Harris ,  Vijay G. Subramanian ,  Fan Wang ,  Jyoti Black

IPC分类号： H04J3/24

CPC分类号： H04L1/007 ,  H04B7/2656 ,  H04L1/1825 ,  H04L1/1854

摘要： A mobile station (150) senses (300) at least one boundary of a wireless communication packet (200) which includes a plurality of frames. The mobile station (150) then determines (310) at least a first group (210) and a second group (230) of frames at least in part in relation to the sensed boundary. The first group (210) of frames is received (320) at a first target reliability, and the second group (230) of frames is received (330) at a second target reliability. Optionally, the frames are sent (400) or received at a variable reliability in relation to the frames' distances from one or more boundaries (240, 250) of the packet (200).

摘要翻译： 移动台（150）感测（300）包括多个帧的无线通信分组（200）的至少一个边界。 移动台（150）然后至少部分地相对于所感测的边界来确定（310）至少第一组（210）和第二组（230）的帧。 第一组（210）的帧以第一目标可靠性被接收（320），并且第二组（230）的帧以第二目标可靠性被接收（330）。 可选地，帧相对于帧与分组（200）的一个或多个边界（240,250）的距离以可变的可靠性被发送（400）或接收。

公开(公告)号：US20070270118A1

公开(公告)日：2007-11-22

申请号：US11436242

申请日：2006-05-18

申请人： Vijay G. Subramanian ,  Anand S. Bedekar ,  Stavros Tzavidas

发明人： Vijay G. Subramanian ,  Anand S. Bedekar ,  Stavros Tzavidas

IPC分类号： H04B1/16

CPC分类号： H04W52/0216 ,  H04W48/08 ,  H04W68/00 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/144 ,  Y02D70/146 ,  Y02D70/164 ,  Y02D70/20

摘要： A method and information processing system for wirelessly transmitting at least one of a downlink channel descriptor and an uplink channel descriptor for reception by at least one wireless device (104). The method comprises selecting at least one transmission time for transmitting a pointer that indicates a transmission time for a DCD and/or a UCD. The pointer is transmitted at a time between a first transmission and a second transmission of the at least one of downlink channel descriptor and uplink channel descriptor. The transmission time is selected to reduce a time interval for the at least one wireless device (104) to search for the at least one of the DCD and UCD. Also, a message that includes DCD information and/or UCD information associated with at least one neighboring cell can also be chosen to transmit at specifically chosen times to the at least one wireless device (104).

摘要翻译： 一种用于无线发送下行链路信道描述符和上行链路信道描述符中的至少一个的方法和信息处理系统，用于由至少一个无线设备（104）接收。 该方法包括：选择用于发送指示DCD和/或UCD的传输时间的指针的至少一个传输时间。 在下行链路信道描述符和上行链路信道描述符中的至少一个的第一传输和第二传输之间的时间发送指针。 选择传输时间以减少至少一个无线设备（104）搜索DCD和UCD中的至少一个的时间间隔。 此外，还可以选择包括与至少一个相邻小区相关联的DCD信息和/或UCD信息的消息，以在特定选择的时间向至少一个无线设备（104）发送。

公开(公告)号：US20070211787A1

公开(公告)日：2007-09-13

申请号：US11624428

申请日：2007-01-18

申请人： John M. Harris ,  Vijay G. Subramanian

发明人： John M. Harris ,  Vijay G. Subramanian

IPC分类号： H04B1/00

CPC分类号： H04J13/16 ,  H04W74/08

摘要： Various embodiments are described which may serve to improve spreading channel code selection in wireless technologies that employ two-stage ranging. For example, some of the embodiments enable a number of spreading codes to be reused at each network node (111, 112), potentially increasing the number of codes available to each remote unit and thereby reducing the collision rate. Rather than simply selecting a spreading channel code randomly, remote units (101-103), in some embodiments, select a spreading channel code based on one or more considerations such as pilot signal strength, remote unit location, a remote unit mobility level, and a priority class associated with the remote unit. Depending on the embodiment, network nodes can partition the spreading codes into groups and then assign link bandwidth to remote units based on the group associated with the code selected by that remote unit.

摘要翻译： 描述了可以用于改进采用两级测距的无线技术中的扩展信道码选择的各种实施例。 例如，一些实施例使得能够在每个网络节点（111,112）处重新使用多个扩展码，从而潜在地增加每个远程单元可用的代码数量，从而降低冲突率。 在一些实施例中，远程单元（101-103）不是简单地随机地选择扩展信道码，而是基于诸如导频信号强度，远程单元位置，远程单元移动性水平的一个或多个考虑来选择扩展信道码，以及 与远程单元相关联的优先级。 根据实施例，网络节点可以将扩展码划分成组，然后基于与由该远程单元选择的代码相关联的组，将链路带宽分配给远程单元。

公开(公告)号：US06987738B2

公开(公告)日：2006-01-17

申请号：US09759846

申请日：2001-01-12

申请人： Vijay G. Subramanian ,  Rajeev Agarwal ,  Richard J. La

发明人： Vijay G. Subramanian ,  Rajeev Agarwal ,  Richard J. La

IPC分类号： H04L12/26

CPC分类号： H04L47/10 ,  H04L47/14 ,  H04L47/50 ,  H04L47/56 ,  H04L47/626 ,  H04W24/00 ,  H04W28/22 ,  H04W72/04 ,  H04W72/1226 ,  Y02D70/00

摘要： A method of performing packet level transmission scheduling in a communications systems including a plurality of cells, each cell including a base station and plurarity of mobile stations. The method performs scheduling while considering radio resource allocation at the wireless access node. In a schedule plan phase of the method, average power and average effective data rate are determined for all mobile stations in the system. In addition, the planned fractions of frames ρ that each mobile in the system will transmit is determined so that resources are allocated fairly. In the actual schedule phase of the method, current power and effective data rate values are compared to the average power values. This information along with the ρ values is used to determine the actual schedule of packet transmissions for all mobiles in a particular cell.

摘要翻译： 一种在包括多个小区的通信系统中执行分组级传输调度的方法，每个小区包括基站和多个移动台。 该方法在考虑无线接入节点处的无线资源分配的同时执行调度。 在方法的进度计划阶段，为系统中的所有移动台确定平均功率和平均有效数据速率。 此外，确定系统中每个移动台将传送的帧的计划分数，使得资源被公平分配。 在该方法的实际进度阶段，将当前功率和有效数据速率值与平均功率值进行比较。 该信息连同rho值一起用于确定特定小区中所有移动台的分组传输的实际调度。

公开(公告)号：US07564820B2

公开(公告)日：2009-07-21

申请号：US10983499

申请日：2004-11-08

申请人： Vijay G. Subramanian ,  Rajeev Agrawal ,  Randall Berry

发明人： Vijay G. Subramanian ,  Rajeev Agrawal ,  Randall Berry

IPC分类号： H04B7/216 ,  H04L27/28

CPC分类号： H04L41/0896 ,  H04W72/0466 ,  Y02D70/1244 ,  Y02D70/142

摘要： A method and apparatus for resource allocation and scheduling within a wireless communication system is provided herein. During resource allocation, a maximum total system transmit power (P), a maximum number of codes available (N), a maximum number of codes for each user in the system (N=(N1, . . . , Nd)), a maximum SINR value (S=(S1, . . . , Sd)) for each user in the system, and a SINR per watt of transmit power for each user in the system (e=(e1, . . . , ed)) is received by a scheduler. Scheduler then outputs an optimal number of codes per user (n) and power levels per user to (p).

摘要翻译： 本文提供了一种用于无线通信系统内的资源分配和调度的方法和装置。 在资源分配期间，系统中最大总系统传输功率（P），可用代码的最大数量（N），每个用户的最大代码数（N =（N1，...，Nd）），a 系统中每个用户的最大SINR值（S =（S1，...，Sd））和系统中每个用户的发射功率的SINR（e =（e1，...，ed）） 被调度程序接收。 然后，调度器输出每个用户（n）的最佳代码数量和每个用户的功率水平（p）。

公开(公告)号：US07492752B2

公开(公告)日：2009-02-17

申请号：US11411753

申请日：2006-04-25

申请人： John M. Harris ,  Joseph R. Schumacher ,  Vijay G. Subramanian

发明人： John M. Harris ,  Joseph R. Schumacher ,  Vijay G. Subramanian

IPC分类号： H04Q7/20

CPC分类号： H04W52/60 ,  H04B17/24 ,  H04W4/06 ,  H04W28/22 ,  H04W36/00 ,  H04W48/08 ,  H04W52/0216 ,  H04W52/0245 ,  H04W52/267 ,  H04W52/325 ,  H04W76/20 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1244 ,  Y02D70/1246 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/25

摘要： Various embodiments are described to address the need for channel maintenance/channel quality signaling that can better utilize reverse link capacity and conserve battery life. Generally expressed, a remote unit (101) enters (403) a high-rate-channel-maintenance mode in which it transmits channel maintenance signaling. When a low-rate condition is met (405), the remote unit enters (407) a low-rate-channel-maintenance mode in which it transmits channel maintenance signaling at either a lower rate or a lower transmit power than when in the high-rate-channel-maintenance mode. Then when a high-rate condition is met (409), the remote unit reenters the high-rate-channel-maintenance mode.

摘要翻译： 描述了各种实施例以解决对可以更好地利用反向链路容量并节省电池寿命的信道维护/信道质量信令的需要。 通常表示，远程单元（101）进入（403）高速率信道维护模式，其中它发送信道维护信令。 当满足低速率条件（405）时，远程单元进入（407）低速率信道维护模式，其中以较低速率或较低发射功率发送信道维护信令，而不是高于高速率信道维护模式 - 通道维护模式。 然后当满足高速率条件（409）时，远程单元重新进入高速率通道维护模式。

公开(公告)号：US07471942B2

公开(公告)日：2008-12-30

申请号：US11436242

申请日：2006-05-18

申请人： Vijay G. Subramanian ,  Anand S. Bedekar ,  Stavros Tzavidas

发明人： Vijay G. Subramanian ,  Anand S. Bedekar ,  Stavros Tzavidas

IPC分类号： H04B1/16 ,  H04Q7/20

CPC分类号： H04W52/0216 ,  H04W48/08 ,  H04W68/00 ,  Y02D70/1222 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/144 ,  Y02D70/146 ,  Y02D70/164 ,  Y02D70/20

摘要： A method and information processing system for wirelessly transmitting at least one of a downlink channel descriptor and an uplink channel descriptor for reception by at least one wireless device (104). The method comprises selecting at least one transmission time for transmitting a pointer that indicates a transmission time for a DCD and/or a UCD. The pointer is transmitted at a time between a first transmission and a second transmission of the at least one of downlink channel descriptor and uplink channel descriptor. The transmission time is selected to reduce a time interval for the at least one wireless device (104) to search for the at least one of the DCD and UCD. Also, a message that includes DCD information and/or UCD information associated with at least one neighboring cell can also be chosen to transmit at specifically chosen times to the at least one wireless device (104).

摘要翻译： 一种用于无线发送下行链路信道描述符和上行链路信道描述符中的至少一个的方法和信息处理系统，用于由至少一个无线设备（104）接收。 该方法包括：选择用于发送指示DCD和/或UCD的传输时间的指针的至少一个传输时间。 在下行链路信道描述符和上行链路信道描述符中的至少一个的第一传输和第二传输之间的时间发送指针。 选择传输时间以减少至少一个无线设备（104）搜索DCD和UCD中的至少一个的时间间隔。 此外，还可以选择包括与至少一个相邻小区相关联的DCD信息和/或UCD信息的消息，以在特定选择的时间向至少一个无线设备（104）发送。