Selection of speech encoding scheme in wireless communication terminals
    1.
    发明授权
    Selection of speech encoding scheme in wireless communication terminals 有权
    无线通信终端中语音编码方案的选择

    公开(公告)号:US08972247B2

    公开(公告)日:2015-03-03

    申请号:US12337706

    申请日:2008-12-18

    CPC分类号: G10L19/22

    摘要: A method for communication includes receiving modulated signals, which convey encoded speech. A measure of information entropy associated with the received signals is estimated. A speech encoding scheme is selected responsively to the estimated measure of the information entropy. A request to encode subsequent speech using the selected speech encoding scheme is sent to a transmitter.

    摘要翻译: 一种用于通信的方法包括接收传送编码语音的调制信号。 估计与接收信号相关联的信息熵的度量。 响应于信息熵的估计量度来选择语音编码方案。 使用所选择的语音编码方案对后续语音进行编码的请求被发送到发射机。

    Reducing public land mobile network PLMN search time
    2.
    发明授权
    Reducing public land mobile network PLMN search time 有权
    减少公共陆地移动网络PLMN搜索时间

    公开(公告)号:US08897224B2

    公开(公告)日:2014-11-25

    申请号:US13558351

    申请日:2012-07-26

    申请人: David Ben-Eli

    发明人: David Ben-Eli

    CPC分类号: H04W48/16 H04W48/18 H04W48/20

    摘要: A method includes storing in a mobile communication terminal a definition of a set of frequency bands in which the terminal is capable of communicating, including at least first and second frequency bands. One or more combinations of at least portions of the frequency bands in the set, which cannot be allocated in proximity to one another due to interference, are determined in the terminal. A search is conducted in the terminal over the set of the frequency bands. Upon detecting a presence of a candidate wireless network in a first portion of the first frequency band, which cannot be allocated in proximity to at least a second portion of the second frequency band in accordance with the specification, at least the second portion is omitted from the search.

    摘要翻译: 一种方法包括在移动通信终端中存储终端能够进行通信的一组频带的定义,包括至少第一和第二频带。 在终端中确定集合中的频带的至少部分的至少部分的一个或多个组合,其不能由于干扰而彼此接近彼此分配。 在终端的频带集合上进行搜索。 一旦检测到第一频带的第一部分中的候选无线网络的存在,其不能根据规范被分配在第二频带的至少第二部分附近,则至少第二部分被省略 搜索。

    Method and apparatus to vary power level of training signal
    3.
    发明授权
    Method and apparatus to vary power level of training signal 有权
    改变训练信号功率电平的方法和装置

    公开(公告)号:US08331872B2

    公开(公告)日:2012-12-11

    申请号:US12627353

    申请日:2009-11-30

    IPC分类号: H04B1/00 H04B7/00

    摘要: Briefly, a method to transmit over an uplink channel a training signal having a power level which varies according to a parameter related to downlink channel characteristics is provided. Communication system that includes communication devices to transmit and receive the training signal is further provided.

    摘要翻译: 简而言之,提供了通过上行链路信道发送具有根据与下行链路信道特性相关的参数而变化的功率电平的训练信号的方法。 还提供了包括用于发送和接收训练信号的通信设备的通信系统。

    VAMOS transmission schemes
    4.
    发明申请
    VAMOS transmission schemes 审中-公开
    VAMOS传输方案

    公开(公告)号:US20110044299A1

    公开(公告)日:2011-02-24

    申请号:US12861834

    申请日:2010-08-24

    IPC分类号: H04J3/00

    摘要: A method includes assigning a communication channel for simultaneous transmission to at least first and second mobile communication terminals using a Time-Division Multiplexing (TDM) communication protocol. Upon determining that data is to be transmitted over the communication channel to both the first and the second mobile communication terminals, the data is transmitted at a first power level that is defined for transmission to the first mobile communication terminal as part of the simultaneous transmission. Upon determining that the data is to be transmitted over the communication channel only to the first mobile communication terminal, the data is transmitted at a second power level that is defined for transmission only to the first mobile communication terminal and is lower than the first power level.

    摘要翻译: 一种方法包括使用时分多路复用(TDM)通信协议为至少第一和第二移动通信终端分配用于同时传输的通信信道。 在确定要通过通信信道将数据发送到第一和第二移动通信终端的同时,作为同时传输的一部分,以定义为发送到第一移动通信终端的第一功率电平来发送数据。 在确定数据将仅通过通信信道发送到第一移动通信终端时,以仅被定义为仅发送到第一移动通信终端并且低于第一功率电平的第二功率电平来发送数据 。

    Transmitter operations for interference mitigation
    5.
    发明授权
    Transmitter operations for interference mitigation 有权
    用于干扰减轻的发射机操作

    公开(公告)号:US07702023B2

    公开(公告)日:2010-04-20

    申请号:US10749693

    申请日:2003-12-29

    IPC分类号: H04K1/10

    摘要: Interference mitigation strategies are presented for use within a transmitter in a wireless system. In at least one embodiment, one or more transmit signals may be generated that are capable of suppressing common channel interference effects within an associated receiver. In other embodiments, one or more transmit signals may be generated that are capable of suppressing dedicated channel interference effects within an associated receiver.

    摘要翻译: 提供干扰减轻策略用于无线系统中的发射机内。 在至少一个实施例中,可以生成能够抑制相关联的接收机内的公共信道干扰效应的一个或多个发射信号。 在其他实施例中,可以生成能够抑制相关联的接收机内的专用信道干扰效应的一个或多个发射信号。

    SELECTION OF SPEECH ENCODING SCHEME IN WIRELESS COMMUNICATION TERMINALS
    6.
    发明申请
    SELECTION OF SPEECH ENCODING SCHEME IN WIRELESS COMMUNICATION TERMINALS 有权
    在无线通信终端中选择语音编码方案

    公开(公告)号:US20090171658A1

    公开(公告)日:2009-07-02

    申请号:US12337706

    申请日:2008-12-18

    IPC分类号: G10L19/02

    CPC分类号: G10L19/22

    摘要: A method for communication includes receiving modulated signals, which convey encoded speech. A measure of information entropy associated with the received signals is estimated. A speech encoding scheme is selected responsively to the estimated measure of the information entropy. A request to encode subsequent speech using the selected speech encoding scheme is sent to a transmitter.

    摘要翻译: 一种用于通信的方法包括接收传送编码语音的调制信号。 估计与接收信号相关联的信息熵的度量。 响应于信息熵的估计量度来选择语音编码方案。 使用所选择的语音编码方案对后续语音进行编码的请求被发送到发射机。

    Cellular telephony searcher
    7.
    再颁专利
    Cellular telephony searcher 有权
    蜂窝电话搜索器

    公开(公告)号:USRE39540E1

    公开(公告)日:2007-04-03

    申请号:US10691432

    申请日:2003-10-23

    IPC分类号: H04B1/69

    摘要: A searcher for a mobile station of a cellular telephony network. Pilot signal from nearby base stations are correlated with a pseudonoise sequence inside a search window, using a bank of correlators. Each correlator is assigned a different delay, from among a sequence of delays in the window. At each delay, correlation is performed initially for a first dwell time. If the resulting correlation value exceeds a threshold, the correlation is continued for a second dwell time. Otherwise, the correlator is set to the next delay in the sequence. Only the outputs of second dwell correlations are used to identify the nearest base station. Some correlators may perform first dwell correlations at new delays in the window at the same time that other correlators are still performing second dwell correlations at old delays in the window.

    摘要翻译: 用于蜂窝电话网络的移动台的搜索器。 使用一组相关器,来自附近基站的导频信号与搜索窗口内的伪噪声序列相关。 从窗口中的延迟序列中分配每个相关器不同的延迟。 在每个延迟下,首先在第一停留时间执行相关性。 如果所得到的相关值超过阈值,则相关性继续进行第二停留时间。 否则,相关器被设置为序列中的下一个延迟。 仅使用第二停留相关的输出来识别最近的基站。 一些相关器可以在窗口中的新延迟处执行第一暂停相关,同时其他相关器仍然在窗口中的旧延迟中执行第二驻留相关性。

    Code synchronization unit and method
    8.
    发明授权
    Code synchronization unit and method 失效
    代码同步单元和方法

    公开(公告)号:US6163548A

    公开(公告)日:2000-12-19

    申请号:US869728

    申请日:1997-06-05

    CPC分类号: H04B1/707

    摘要: A pilot acquisition unit for code division multiple access (CDMA) communication systems is provided which includes a fast Hadamard transform (FHT) unit and a pre-Hadamard processing unit. The FHT unit determines the quality, in accordance with a metric, of each of a set of possible pseudo-random number (PN) loadings and the pre-Hadamard processing unit generates a vector u per set of PN loadings. The vector u defines a quality metric of a received pilot signal with the set of possible PN loadings, the pre-Hadamard processing unit providing the vector u to the FHT unit.

    摘要翻译: 提供了一种用于码分多址(CDMA)通信系统的导频获取单元,其包括快速Hadamard变换(FHT)单元和前Hadamard处理单元。 FHT单元根据度量,确定一组可能的伪随机数(PN)加载中的每一个的质量,并且前哈达玛处理单元在每个PN加载集合中生成向量u。 矢量u使用一组可能的PN加载来定义接收到的导频信号的质量度量,前Hadamard处理单元向FHT单元提供向量u。

    Apparatus and method for reducing receiver frequency errors
    9.
    发明授权
    Apparatus and method for reducing receiver frequency errors 有权
    减少接收机频率误差的装置和方法

    公开(公告)号:US08731119B2

    公开(公告)日:2014-05-20

    申请号:US13423220

    申请日:2012-03-18

    申请人: David Ben-Eli

    发明人: David Ben-Eli

    摘要: A method in a receiver includes receiving from a transmitter an instruction to check for messages from the transmitter at intervals having a specified time period. A frequency error of the receiver relative to the transmitter is estimated at the receiver, and an actual time period that does not exceed the specified time period is selected based on the estimated frequency error. The receiver is activated periodically according to the selected actual time period so as to reset the frequency error.

    摘要翻译: 接收机中的一种方法包括:从发射机接收指令,以在具有指定时间间隔的间隔检查来自发射机的消息。 在接收机处估计接收机相对于发射机的频率误差,并且基于估计的频率误差来选择不超过规定时间段的实际时间段。 根据所选择的实际时间周期性地接收接收机,以便重置频率误差。