公开(公告)号：US07315527B2

公开(公告)日：2008-01-01

申请号：US10781285

申请日：2004-02-17

申请人： Yongbin Wei ,  Edward G. Tiedemann, Jr. ,  Peter Gaal ,  Durga P. Malladi ,  David Puig Oses ,  Sandip Sarkar ,  Stein Lundby ,  Tao Chen ,  Avinash Jain ,  Aleksandar Damnjanovic ,  Serge Willenegger

发明人： Yongbin Wei ,  Edward G. Tiedemann, Jr. ,  Peter Gaal ,  Durga P. Malladi ,  David Puig Oses ,  Sandip Sarkar ,  Stein Lundby ,  Tao Chen ,  Avinash Jain ,  Aleksandar Damnjanovic ,  Serge Willenegger

IPC分类号： H04Q7/24

CPC分类号： H04W28/22 ,  H04B7/264 ,  H04L1/0026 ,  H04L1/1671 ,  H04L1/1819 ,  H04W72/1289

摘要： Embodiments disclosed herein address the need in the art for an extended acknowledgment/rate control channel. In one aspect, an acknowledgment command and a rate control command are combined to form a combined command. In another aspect, the combined command is generated in accordance with a constellation of points, each point corresponding to a pair consisting of a rate control command and an acknowledgment command. In yet another aspect, the points of the constellation are designed to provide the desired probability of error for the respective command pairs. In yet another aspect, a common rate control command is transmitted along with a combined or dedicated rate control command. Various other aspects are also presented. These aspects have the benefit of reduced overhead while providing acknowledgment and rate control to single remote stations and/or groups of remote stations.

摘要翻译： 本文公开的实施例解决了本领域对扩展确认/速率控制信道的需要。 在一个方面，将确认命令和速率控制命令组合以形成组合命令。 在另一方面，组合命令根据点的星座生成，每个点对应于由速率控制命令和确认命令组成的对。 在另一方面，星座的点被设计成为各个命令对提供期望的误差概率。 在另一方面，公共速率控制命令与组合或专用速率控制命令一起发送。 还提出了各种其他方面。 这些方面具有减少开销的优点，同时向单个远程站和/或远程站组提供确认和速率控制。

公开(公告)号：US20070292039A1

公开(公告)日：2007-12-20

申请号：US10569871

申请日：2005-01-19

申请人： Shinya Kadono ,  Yoshiichiro Kashiwagi ,  Jiuhuai Lu ,  Chong Soon Lim ,  Tao Chen

发明人： Shinya Kadono ,  Yoshiichiro Kashiwagi ,  Jiuhuai Lu ,  Chong Soon Lim ,  Tao Chen

IPC分类号： G06K9/36

CPC分类号： H04N19/136 ,  H04N19/126 ,  H04N19/176 ,  H04N19/196 ,  H04N19/463 ,  H04N19/61 ,  H04N19/91

摘要： The picture coding method according to the present invention is a picture coding method for coding a picture on a block-by-block basis through orthogonal transformation and quantization, and coding a quantization matrix that is used to derive quantization steps for frequencies of orthogonal transformation coefficients, the method comprising: calculating a difference value between each of frequency components included in the quantization matrix and a predetermined value corresponding to said each of the frequency components; and coding the difference value into a variable length code, wherein a code length of the variable length code is shorter as the difference value is smaller, or equal to a code length of a neighboring difference value of said difference value.

摘要翻译： 根据本发明的图像编码方法是一种图像编码方法，用于通过正交变换和量化在逐块的基础上编码图像，并且对用于导出正交变换系数的频率的量化步长的量化矩阵进行编码 该方法包括：计算包括在量化矩阵中的每个频率分量与对应于所述每个频率分量的预定值之间的差值; 以及将所述差值编码为可变长度码，其中所述可变长度码的码长度随着所述差值较小而变短，或等于所述差值的相邻差值的码长。

公开(公告)号：US07292873B2

公开(公告)日：2007-11-06

申请号：US10637226

申请日：2003-08-07

申请人： Yongbin Wei ,  Tao Chen

发明人： Yongbin Wei ,  Tao Chen

IPC分类号： H04B7/00

CPC分类号： H04W52/228 ,  H04L1/16 ,  H04L1/1692 ,  H04W52/225 ,  H04W52/48

摘要： A base station (LBS) (110) in a wireless network (100) establishes power levels for transmitting messages acknowledging receipt of packet data from a mobile communications device (MAD) (114). In one implementation, the LBS infers whether the MAD received a given acknowledgement message by considering whether (306, 316) the next communication from the MAD comprises new packet data, and whether (310, 320) that data comprises re-transmitted data. The LBS adjusts (312, 314, 322, 324) transmit power level for future acknowledgement messages according to whether the MAD received past acknowledgement messages. In a different implementation, actual/estimated transmit power from a serving base station to a given MAD is averaged (404), and increased (406) by a prescribed amount to yield a target level. Whenever the non-serving base station transmits messages acknowledging receipt of packet data from the MAD, the non-serving base station transmits (408) at the target level.

摘要翻译： 无线网络（100）中的基站（110）建立用于发送确认从移动通信设备（MCD）接收分组数据的消息的功率电平（114）。 在一个实现中，BS通过考虑是否（306,316）来自MCD的下一个通信包括新的分组数据以及（310,320）该数据是否包括重新发送的数据来推测MCD是否接收给定的确认消息。 根据MCD是否接收到过去的确认消息，BS调整（312,314,322,324）将来确认消息的功率电平。 在不同的实现中，将从服务基站到给定MCD的实际/估计的发射功率平均（404），并增加（406）规定量以产生目标电平。 每当非服务基站从MCD发送确认分组数据的接收的消息时，非服务基站在目标级别发送（408）。

公开(公告)号：US07286846B2

公开(公告)日：2007-10-23

申请号：US10652355

申请日：2003-08-29

申请人： Tao Chen ,  Stein Lundby ,  Sandip Sarkar ,  Yu-Cheun Jou

发明人： Tao Chen ,  Stein Lundby ,  Sandip Sarkar ,  Yu-Cheun Jou

IPC分类号： H04B7/00

CPC分类号： H04W52/38 ,  H04W52/44

摘要： Systems and methods for controlling the power level for a mobile station during periods when no data is being transmitted by the mobile station. In one embodiment, data is intermittently transmitted from a mobile station to a base station on a reverse-link traffic channel. When data is being transmitted on the traffic channel, the transmitted data is used by the base station to perform power control operations (e.g., incrementing or decrementing the mobile station's power level, based upon comparison of a received SNR to a target SNR). When no data is being transmitted on the traffic channel, a “zero-rate indicator” is transmitted on the rate indicator channel. The zero-rate indicator is used by the base station to perform power control. Power control based on the zero-rate indicator may use velocity profiles, reliability metrics or other techniques to control adjustment of the power level.

摘要翻译： 在移动台没有发送数据的时段期间控制移动台的功率电平的系统和方法。 在一个实施例中，数据在反向链路业务信道上从移动站间歇地发送到基站。 当在业务信道上发送数据时，基站使用发送的数据来执行功率控制操作（例如，基于接收到的SNR与目标SNR的比较来增加或减少移动台的功率电平）。 当业务信道上没有发送数据时，在速率指示符信道上发送“零速率指示符”。 零速率指示器由基站用于执行功率控制。 基于零速率指示器的功率控制可以使用速度曲线，可靠性度量或其他技术来控制功率水平的调节。

公开(公告)号：US07221955B2

公开(公告)日：2007-05-22

申请号：US11043252

申请日：2005-01-25

申请人： Tao Chen ,  Edward G. Tiedemann, Jr.

发明人： Tao Chen ,  Edward G. Tiedemann, Jr.

IPC分类号： H04B7/00 ,  H04Q7/20

CPC分类号： H04W52/50 ,  H04W52/58

摘要： A power control system for use in facilitating transition to an active state suitable for use in a wireless communication system. In one aspect, the system includes a first transceiver, such as a BTS, having the ability to initiate transmission of a power control function. The transceiver comprises a generator for generating a power control arrangement and a transmitter for transmitting the power control arrangement. The system further includes a second transceiver, such as a terminal, for receiving the power control arrangement and coherently combining the power control arrangement to determine a state transition indication. The second transceiver includes a transmitter that transmits a selected waveform subsequent to the coherent combining. The first transceiver receives the selected waveform, determines a power level associated therewith, and provides feedback to the second transceiver. The power control arrangement may include groups of redundant power control data, data transmitted on idle feedback dimensions, or predetermined signal patterns in addition to at least one power control group.

摘要翻译： 一种功率控制系统，用于促进转换到适合于在无线通信系统中使用的活动状态。 在一个方面，该系统包括具有启动功率控制功能的传输能力的第一收发器（例如BTS）。 收发器包括用于产生功率控制装置的发生器和用于发送功率控制装置的发射器。 该系统还包括诸如终端的第二收发器，用于接收功率控制装置并且相干地组合功率控制装置以确定状态转换指示。 第二收发器包括在相干组合之后发送所选波形的发射器。 第一收发器接收所选择的波形，确定与之相关联的功率电平，并向第二收发器提供反馈。 除了至少一个功率控制组之外，功率控制装置可以包括冗余功率控制数据组，在空闲反馈维度上传输的数据或预定信号模式。

公开(公告)号：US20070111747A1

公开(公告)日：2007-05-17

申请号：US11621551

申请日：2007-01-09

申请人： Stein Lundby ,  Avinash Jain ,  Joseph Odenwalder ,  Sandip Sarkar ,  Tao Chen ,  Yongbin Wei

发明人： Stein Lundby ,  Avinash Jain ,  Joseph Odenwalder ,  Sandip Sarkar ,  Tao Chen ,  Yongbin Wei

IPC分类号： H04B7/00 ,  H04Q7/20

CPC分类号： H04W52/265 ,  H04W52/146 ,  H04W52/245 ,  H04W52/26 ,  H04W52/288 ,  H04W52/367

摘要： An apparatus, system, and method efficiently manage reverse link resources by allowing a mobile station to select between transmitting a payload at a standard power level and transmitting a smaller payload at a boosted power level. The mobile station, therefore, can autonomously select a QoS (Quality of Service) level for physical layer packets. Based on reverse link transmission information received from a base station, the mobile station derives a reverse link transmission guideline defining the power levels and associated payloads for at least a standard service and boosted service. The mobile station selects a reverse link transmission power level from a plurality of power levels including at least a standard reverse link transmission power level associated with a standard payload size and a boosted reverse link transmission power level associated with a boosted payload size where the standard payload size is greater than the boosted payload size.

摘要翻译： 一种装置，系统和方法通过允许移动台在标准功率电平上发送有效载荷并以提升的功率电平发射较小的有效载荷之间进行选择来有效地管理反向链路资源。 因此，移动台可以自主地选择物理层分组的QoS（服务质量）级别。 基于从基站接收的反向链路传输信息，移动台导出定义用于至少标准服务和升级服务的功率电平和相关联的有效载荷的反向链路传输准则。 移动台从包括至少与标准有效载荷大小相关联的标准反向链路发射功率电平的多个功率电平和与提升的有效载荷大小相关联的提升的反向链路发射功率电平来选择反向链路发射功率电平，其中标准有效载荷 尺寸大于提升的有效载荷大小。

公开(公告)号：US20070076723A1

公开(公告)日：2007-04-05

申请号：US11608758

申请日：2006-12-08

申请人： Tao Chen

发明人： Tao Chen

IPC分类号： H04L12/56

CPC分类号： H04L47/24 ,  H04L47/10 ,  H04L47/14 ,  H04L47/2408 ,  H04L47/283 ,  H04L47/50 ,  H04L47/56 ,  H04L47/626 ,  H04W72/0473 ,  H04W72/1236 ,  H04W72/1242 ,  Y02D70/00

摘要： Techniques for scheduling terminals with different scheduling delays. Initially, the scheduling delay of each terminal is determined, and the total available transmit power and the link efficiency of each terminal are estimated. In a first scheme, the terminals are scheduled for data transmission based on the longest scheduling delay among the delays of all terminals. In a second scheme, each terminal is assigned a particular priority based on its scheduling delay, and the terminals are scheduled based on their assigned priorities. In a third scheme, the terminals are categorized into classes based on their scheduling delays. A percentage of the total available transmit power is allocated to each class, and the terminals in each class are scheduled based on the transmit power allocated to that class. In a fourth scheme, the terminals are scheduled for data transmission, and the schedule for each terminal is applied after its scheduling delay.

摘要翻译： 调度具有不同调度延迟的终端的技术。 首先，确定每个终端的调度延迟，并且估计每个终端的总可用发射功率和链路效率。 在第一方案中，基于所有终端的延迟之间的最长调度延迟，调度终端进行数据传输。 在第二方案中，基于其调度延迟为每个终端分配特定优先级，并且基于其分配的优先级来调度终端。 在第三方案中，终端根据其调度延迟被分类成类。 总可用发射功率的百分比被分配给每个类，并且根据分配给该类的发射功率来调度每个类中的终端。 在第四方案中，终端被调度用于数据传输，并且在其调度延迟之后应用每个终端的调度。

公开(公告)号：US07177658B2

公开(公告)日：2007-02-13

申请号：US10140352

申请日：2002-05-06

申请人： Serge Willenegger ,  Tao Chen ,  Alkinoos Hector Vayanos ,  Yongbin Wei

发明人： Serge Willenegger ,  Tao Chen ,  Alkinoos Hector Vayanos ,  Yongbin Wei

IPC分类号： H04B7/00 ,  H04Q7/20

CPC分类号： H04W52/322 ,  H03M13/09 ,  H03M13/1515 ,  H03M13/152 ,  H03M13/19 ,  H03M13/23 ,  H03M13/2707 ,  H03M13/2915 ,  H03M13/2957 ,  H03M13/373 ,  H04B1/712 ,  H04B2201/70707 ,  H04L1/0002 ,  H04L1/0017 ,  H04L1/0026 ,  H04L1/0027 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0067 ,  H04L1/0071 ,  H04L1/0083 ,  H04L1/08 ,  H04W52/325 ,  H04W52/327 ,  H04W52/40

摘要： Techniques to implement MBMS services in a wireless communication system. In one aspect, a method is provided for processing data for transmission to a plurality of terminals. Frames of information bits (which may have variable rates) are provided to a buffer implementing a matrix. The matrix is padded with padding bits based on a particular padding scheme to support variable frame rates. The frames are then coded based on a particular block code to provide parity bits. The frame of information bits and the parity bits are then transmitted to the terminals. In another aspect, a method is provided for controlling the transmit power of a data transmission to a plurality of terminals. In accordance with the method, TPC streams are received from the terminals and processed to obtain a stream of joint power control commands used to adjust the transmit power of the data transmission.

摘要翻译： 在无线通信系统中实现MBMS服务的技术。 在一个方面，提供了一种处理用于传输到多个终端的数据的方法。 信息比特帧（可能具有可变速率）被提供给实现矩阵的缓冲器。 基于特定的填充方案，使用填充位填充矩阵以支持可变帧速率。 然后基于特定的块码对这些帧进行编码以提供奇偶校验位。 然后将信息比特帧和奇偶校验位发送到终端。 在另一方面，提供了一种用于控制到多个终端的数据传输的发射功率的方法。 根据该方法，从终端接收TPC流并进行处理以获得用于调整数据传输的发射功率的联合功率控制命令流。

公开(公告)号：US07177596B2

公开(公告)日：2007-02-13

申请号：US11093362

申请日：2005-03-29

申请人： Tao Chen ,  Edward G. Tiedemann, Jr.

发明人： Tao Chen ,  Edward G. Tiedemann, Jr.

IPC分类号： H04B7/00 ,  H04Q7/20

CPC分类号： H04W52/50 ,  H04W52/58

摘要： A power control system for use in facilitating transition to an active state suitable for use in a wireless communication system. In one aspect, the system includes a first transceiver, such as a BTS, having the ability to initiate transmission of a power control function. The transceiver comprises a generator for generating a power control arrangement and a transmitter for transmitting the power control arrangement. The system further includes a second transceiver, such as a terminal, for receiving the power control arrangement and coherently combining the power control arrangement to determine a state transition indication. The second transceiver includes a transmitter that transmits a selected waveform subsequent to the coherent combining. The first transceiver receives the selected waveform, determines a power level associated therewith, and provides feedback to the second transceiver. The power control arrangement may include groups of redundant power control data, data transmitted on idle feedback dimensions, or predetermined signal patterns in addition to at least one power control group.

公开(公告)号：US20070030820A1

公开(公告)日：2007-02-08

申请号：US11545955

申请日：2006-10-10

申请人： Sandip Sarkar ,  Tao Chen ,  Edward Tiedemann

发明人： Sandip Sarkar ,  Tao Chen ,  Edward Tiedemann

IPC分类号： H04J3/08

CPC分类号： H04W52/50 ,  H04W52/40 ,  H04W52/48

摘要： A method for power control in a wireless communication system. An initial transmission of a data frame in the reverse link is received, and a first energy level of the data frame is measured. An energy deficit in the first energy level is then measured if the first energy level is insufficient to correctly decode the data frame, so that when the data frame is retransmitted with a second energy level equal to a difference between the first energy level and the energy deficit, the data frame can be correctly decoded with combined energy of the first energy level and the second energy level.

摘要翻译： 一种用于无线通信系统中功率控制的方法。 接收反向链路中的数据帧的初始传输，并且测量数据帧的第一能级。 如果第一能级不足以正确地解码数据帧，则测量第一能级中的能量缺失，以便当数据帧以等于第一能量级与能量之间的差的第二能级重发时 可以用第一能级和第二能量级的组合能量正确解码数据帧。