RADIO FREQUENCY TRANSCEIVER SYSTEM FOR DIGITAL COMMUNICATION
    211.
    发明申请
    RADIO FREQUENCY TRANSCEIVER SYSTEM FOR DIGITAL COMMUNICATION 审中-公开
    用于数字通信的无线电频率收发系统

    公开(公告)号:WO1996027242A2

    公开(公告)日:1996-09-06

    申请号:PCT/US1996002820

    申请日:1996-03-01

    CPC classification number: H04W52/52 H04B1/3877

    Abstract: A transceiver system for interfacing digital modems with radio frequency signals is described. The system includes a modem interface connected to the antenna interface via a coax cable, and an antenna. Circuits for providing power regulation of the exchanged signals include power detection circuits and attenuators in the antenna interface as well as in the modem interface.

    Abstract translation: 描述了用于将数字调制解调器与射频信号对接的收发机系统。 该系统包括通过同轴电缆连接到天线接口的调制解调器接口和天线。 用于提供交换的信号的功率调节的电路包括天线接口以及调制解调器接口中的功率检测电路和衰减器。

    METHOD AND APPARATUS FOR PROVIDING ROAMING INDICATION WITH CHARGE INFORMATION
    212.
    发明申请
    METHOD AND APPARATUS FOR PROVIDING ROAMING INDICATION WITH CHARGE INFORMATION 审中-公开
    向移动无线电台提供充电指示的方法和系统

    公开(公告)号:WO1996024226A1

    公开(公告)日:1996-08-08

    申请号:PCT/US1996001456

    申请日:1996-01-31

    CPC classification number: H04W4/24 H04M15/28 H04M2215/2026 H04M2215/32

    Abstract: A method and apparatus for providing a mobile station user (8) with information about anticipated roaming charges. The visitor communication system (7) transmits a graded roaming signal to the mobile station user (8) indicative of the anticipated roaming costs. The graded roaming signal is determined by contractual agreements between the visitor communication system provider and user's service provider. This information is stored in a database at the user's home communication system (2) and is provided to the visitor communication system (7) upon request for authorization to provide service. The graded roaming signal is broadcast to the mobile station (8) and displayed to allow the mobile station user to estimate the cost of the service being provided.

    Abstract translation: 一种用于向移动台用户(8)提供关于预期漫游费用的信息的方法和装置。 访问者通信系统(7)向移动台用户(8)发送指示漫游费用的等级漫游信号。 分级漫游信号由访问者通信系统提供商和用户服务提供商之间的合同协议确定。 该信息被存储在用户的家庭通信系统(2)的数据库中,并且根据请求提供给访问者通信系统(7)以提供服务。 分级漫游信号被广播到移动台(8)并且被显示以允许移动台用户估计提供的服务的成本。

    METHOD AND APPARATUS FOR DETECTION AND BYPASS OF TANDEM VOCODING
    213.
    发明申请
    METHOD AND APPARATUS FOR DETECTION AND BYPASS OF TANDEM VOCODING 审中-公开
    用于TANDEM VOCODING的检测和旁路的方法和装置

    公开(公告)号:WO1996023297A1

    公开(公告)日:1996-08-01

    申请号:PCT/US1996001166

    申请日:1996-01-25

    CPC classification number: H04W88/181 G10L19/16

    Abstract: A first remote vocoder (15) receives analog voice (170) and produces packetized vocoder data (190) which is transmitted over a wireless link (20). A first local vocoder (35) receives the packetized vocoder data (190) from the wireless link (20). The first local vocoder (35) converts the packetized data (190) to a multibit PCM output (120). The first local vocoder (35) also adds a detection code to one of the least significant bits (LSB) of the PCM output (210). The first local vocoder (35) passes the PCM signal (210) to the PSTN (40). The first local vocoder (210) also receives PCM input (120) over the PSTN (40). The first local vocoder (35) constantly monitors the least significant bit of the PCM input (120) for a detection code indicating that a second local vocoder (55) is connected at the receiving end. If the first local vocoder (35) detects the detection code from the second local vocoder (55), it begins to substitute packetized data and a redundancy check for a second one of the LSB's of the outgoing PCM (210). The first local vocoder (35) also begins to monitor the second one of the LSB's of the incoming PCM (120). If the redundancy check indicates that valid packetized data has been received, the first local vocoder (35) stops converting the PCM output (120) into packetized data and simply passes the packetized data on the second one of the LSB's to the first remote vocoder (15) as packets (100). If at any time the redundancy check fails and the detection code is not detected, the first local vocoder (35) returns to converting the incoming PCM (190) to packetized data. In this way, the tandem vocoding arrangement is avoided.

    Abstract translation: 第一远程声码器(15)接收模拟语音(170)并产生通过无线链路(20)发送的分组化声码器数据(190)。 第一本地声码器(35)从无线链路(20)接收分组声码器数据(190)。 第一本地声码器(35)将分组化数据(190)转换成多位PCM输出(120)。 第一本地声码器(35)还将检测码添加到PCM输出(210)的最低有效位(LSB)之一。 第一本地声码器(35)将PCM信号(210)传递到PSTN(40)。 第一本地声码器(210)还通过PSTN(40)接收PCM输入(120)。 第一本地声码器(35)经常监视PCM输入(120)的最低有效位,用于检测码,指示在接收端连接第二本地声码器(55)。 如果第一本地声码器(35)检测到来自第二本地声码器(55)的检测码,则它开始替代分组数据和对输出PCM(210)的LSB中的第二个的冗余校验。 第一本地声码器(35)也开始监视输入PCM(120)的LSB的第二个。 如果冗余检查指示已经接收到有效的分组化数据,则第一本地声码器(35)停止将PCM输出(120)转换成分组化数据,并且将LSB的第二个上的分组化数据简单地传递给第一远程声码器( 15)作为分组(100)。 如果在任何时候冗余检查失败并且未检测到检测码,则第一本地声码器(35)返回以将输入的PCM(190)转换为分组数据。 以这种方式,避免了串联声音编码布置。

    DUAL-MODE FM/CDMA COMMUNICATION SYSTEM
    214.
    发明申请
    DUAL-MODE FM/CDMA COMMUNICATION SYSTEM 审中-公开
    双模FM / CDMA通信系统

    公开(公告)号:WO1996020540A2

    公开(公告)日:1996-07-04

    申请号:PCT/US1995016363

    申请日:1995-12-19

    Abstract: A dual-mode digital communication system for communicating an information signal during operation in frequency-modulated (FM) and multiple-access modes is disclosed herein. The digital communication system includes a dual-mode transmitter (14) for transmitting the information signal using an FM communication signal during FM mode operation, and for transmitting the information signal using a multiple-access communication signal during multiple-access mode operation. The communication system further includes a dual-mode receiver (16) for receiving the FM communication signal during FM mode operation, and for receiving the multiple-access communication signal during multiple-access mode operation. Incorporated within the dual-mode receiver (16) is a digital demodulator (96) for recovering the information signal from the received FM signal during operation in the FM mode, and for recovering the information signal from the received multiple-access signal during multiple-access mode operation.

    Abstract translation: 本文公开了一种用于在频率调制(FM)和多路访问模式中的操作期间传送信息信号的双模式数字通信系统。 数字通信系统包括在FM模式操作期间使用FM通信信号发送信息信号的双模发送器(14),并且在多访问模式操作期间使用多址通信信号发送信息信号。 通信系统还包括用于在FM模式操作期间接收FM通信信号的双模式接收器(16),并且用于在多址模式操作期间接收多址通信信号。 在双模式接收器(16)中并入的是数字解调器(96),用于在FM模式下操作期间从所接收的FM信号中恢复信息信号,并且用于在多模式接收器(16)期间从所接收的多址信号中恢复信息信号, 访问模式操作。

    METHOD AND APPARATUS FOR HANDOFF BETWEEN DIFFERENT CELLULAR COMMUNICATIONS SYSTEMS
    215.
    发明申请
    METHOD AND APPARATUS FOR HANDOFF BETWEEN DIFFERENT CELLULAR COMMUNICATIONS SYSTEMS 审中-公开
    不同蜂窝通信系统之间切换的方法和装置

    公开(公告)号:WO1996012380A1

    公开(公告)日:1996-04-25

    申请号:PCT/US1995012636

    申请日:1995-09-29

    CPC classification number: H04W36/0055 H04W36/0083 H04W36/30

    Abstract: A method and system for performing an intersystem handoff of communication with a mobile station (18) between base stations of first (A) and second (B) cellular systems. At the mobile station (18), a quantifiable parameter of a signal transmitted by a second base station of the second system is measured. When the measured value passes through a first predetermined level, the mobile station (18) communicates a signal quality message via a first base station of the first system to a first mobile switching control station. A channel request message is communicated from the first mobile switching station (MSCI) to a second mobile switching station (MSCII) within the second system. At the second base station, a quantifiable parameter of the signal received from the mobile station is also measured. The second base station establishes communication with the mobile station when the measured value passes through a predetermined level.

    Abstract translation: 一种用于执行与第一(A)和第二(B)蜂窝系统的基站之间的移动站(18)的通信的系统间切换的方法和系统。 在移动站(18)处,测量由第二系统的第二基站发送的信号的可量化参数。 当测量值通过第一预定电平时,移动站(18)经由第一系统的第一基站将信号质量消息传送到第一移动交换控制站。 信道请求消息从第一移动交换站(MSCI)传送到第二系统内的第二移动交换站(MSCII)。 在第二基站,也测量从移动台接收的信号的可量化参数。 当测量值经过预定水平时,第二基站与移动站建立通信。

    SERIAL LINKED INTERCONNECT FOR SUMMATION OF MULTIPLE WAVEFORMS ON A COMMON CHANNEL
    216.
    发明申请
    SERIAL LINKED INTERCONNECT FOR SUMMATION OF MULTIPLE WAVEFORMS ON A COMMON CHANNEL 审中-公开
    用于在通用通道上建立多个波形的串行链接互连

    公开(公告)号:WO1996010874A1

    公开(公告)日:1996-04-11

    申请号:PCT/US1995012556

    申请日:1995-09-29

    CPC classification number: H04W88/08

    Abstract: A modulator (109) for a spread spectrum telecommunication system not only receives local data (112) and processes it, but also receives input data from one or more other modulators (124), sums the input data with the local data, and provides the sum as data for a subsequent modulator or as final output for a transmit power amplifier (126). The modulator includes an input block (120) and an output block (122) and, depending on a control data signal (190), input data will be summed with the internally generated local data of the modulator before being provided to the output block (122). The output data can include parity data. The parity data can be used to check for faults that might be introduced, for example, by a faulty connection or broken hard-wired interconnect. If an error is detected, the summation function of the transmit modulator (127) can be automatically disabled.

    Abstract translation: 用于扩频通信系统的调制器(109)不仅接收本地数据(112)并对其进行处理,而且还从一个或多个其他调制器(124)接收输入数据,将输入数据与本地数据相加,并提供 和作为后续调制器的数据或作为发射功率放大器(126)的最终输出。 调制器包括输入块(120)和输出块(122),并且根据控制数据信号(190),将输入数据与调制器的内部产生的本地数据相加,然后再提供给输出块( 122)。 输出数据可以包括奇偶校验数据。 奇偶校验数据可用于检查可能引入的故障,例如,故障连接或硬连线互连故障。 如果检测到错误,发送调制器(127)的求和功能可以自动禁用。

    METHOD AND APPARATUS FOR DETECTING FAULT CONDITIONS IN A VEHICLE DATA RECORDING DEVICE
    217.
    发明申请
    METHOD AND APPARATUS FOR DETECTING FAULT CONDITIONS IN A VEHICLE DATA RECORDING DEVICE 审中-公开
    用于检测车辆数据记录装置中的故障条件的方法和装置

    公开(公告)号:WO1996010807A1

    公开(公告)日:1996-04-11

    申请号:PCT/US1995013205

    申请日:1995-10-03

    CPC classification number: G07C5/008 G01R31/007 G07C5/085

    Abstract: A system and method for detecting fault conditions in a recording device (38) disposed within a vehicle (12) having one or more vehicle sensors (48) for monitoring one or more operational parameters of the vehicle (12). The recording device (38) is used to collect vehicle operation data produced by the sensors (48). One implementation of the fault detection technique involves the storing of a current time value at regular intervals during periods in which the recording device is provided with a source of main power. Time differences are determined between consecutive ones of the stored time values, and the time differences compared to a predetermined maximum value. A power loss fault condition is registered when at least one of the time differences exceeds the predetermined maximum value. An indication of the existence of the power loss fault condition may be communicated to a central control station (18) by the recording device (38).

    Abstract translation: 一种用于检测设置在具有用于监测车辆(12)的一个或多个操作参数的一个或多个车辆传感器(48)的车辆(12)内的记录装置(38)中的故障状况的系统和方法。 记录装置(38)用于收集由传感器(48)产生的车辆操作数据。 故障检测技术的一个实现包括在记录装置设置有主电源的时段期间以规则的间隔存储当前时间值。 在所存储的时间值的连续的时间值和与预定的最大值相比较的时间差之间确定时间差。 当至少一个时间差超过预定最大值时,登记掉电故障状态。 功率损失故障状况的存在的指示可以由记录装置(38)传送到中央控制站(18)。

    SENSITIVITY WEIGHTED VECTOR QUANTIZATION OF LINE SPECTRAL PAIR FREQUENCIES
    218.
    发明申请
    SENSITIVITY WEIGHTED VECTOR QUANTIZATION OF LINE SPECTRAL PAIR FREQUENCIES 审中-公开
    线光谱对频率的灵敏度加权矢量量化

    公开(公告)号:WO1996004647A1

    公开(公告)日:1996-02-15

    申请号:PCT/US1995009862

    申请日:1995-08-01

    CPC classification number: G10L19/07

    Abstract: A computationally efficient procedure for determining the set of quantization sensitivities for the line spectral pair (LSP) frequencies is performed by LSP quantizing system (10), which results in a computationally efficient error measure for use in vector quantization of the LSP frequencies. A new set of vectors are computed based upon the LSP values by a P and Q computation element (4). These vectors are then supplied to a bank of polynomial division computation elements (5a-5N) which provide the quotients to sensitivity autocorrelation elements (6a-6N). The sensitivities autocorrelations and a set of autocorrelations are used to generate a set of sensitivity cross-correlations by sensitivity cross-correlators (7a-7N). The computed sensitivity values are then used to quantize the LSP values.

    Abstract translation: 用于确定线谱对(LSP)频率的量化灵敏度集合的计算有效的过程由LSP量化系统(10)执行,其导致用于LSP频率的矢量量化中的计算有效的误差测量。 基于由P和Q计算元素(4)的LSP值计算新的向量集合。 然后将这些向量提供给一组多项式分割计算元件(5a-5N),其将商商提供给灵敏度自相关元件(6a-6N)。 敏感度自相关和一组自相关被用于通过灵敏度互相关器(7a-7N)产生一组灵敏度互相关。 然后计算的灵敏度值用于量化LSP值。

    METHOD AND APPARATUS FOR BALANCING THE FORWARD LINK HANDOFF BOUNDARY TO THE REVERSE LINK HANDOFF BOUNDARY IN A CELLULAR COMMUNICATION SYSTEM
    219.
    发明申请
    METHOD AND APPARATUS FOR BALANCING THE FORWARD LINK HANDOFF BOUNDARY TO THE REVERSE LINK HANDOFF BOUNDARY IN A CELLULAR COMMUNICATION SYSTEM 审中-公开
    用于平衡在蜂窝通信系统中反向链路切换边界的前向链路切换的方法和装置

    公开(公告)号:WO1996003845A1

    公开(公告)日:1996-02-08

    申请号:PCT/US1995009212

    申请日:1995-07-21

    Abstract: A method and apparatus for matching the location of the forward link handoff boundary to the reverse link handoff boundary. A system constant is chosen which defines the product of the received power and the transmitted pilot power at every base station. The reverse link power level is measured at the base station and the forward link power level is compensated for the reverse link loading to maintain the constant product. Thereby the forward link handoff boundary to the reverse link handoff boundary are aligned to the same location.

    Abstract translation: 一种用于将前向链路切换边界的位置与反向链路切换边界进行匹配的方法和装置。 选择系统常数,其定义每个基站处的接收功率和发射导频功率的乘积。 在基站处测量反向链路功率电平,并且针对反向链路负载补偿前向链路功率电平以维持恒定乘积。 因此,到反向链路切换边界的前向链路切换边界对准到相同的位置。

    REVERSE LINK, CLOSED LOOP POWER CONTROL IN A CODE DIVISION MULTIPLE ACCESS SYSTEM
    220.
    发明申请
    REVERSE LINK, CLOSED LOOP POWER CONTROL IN A CODE DIVISION MULTIPLE ACCESS SYSTEM 审中-公开
    反向链路,封闭环路功率控制在代码段多个访问系统

    公开(公告)号:WO1996002097A1

    公开(公告)日:1996-01-25

    申请号:PCT/US1995008660

    申请日:1995-07-10

    Abstract: The process of the present invention enables a mobile radiotelephone to operate at a 100 % duty cycle while providing closed loop power control. The base station measures the signal to noise ratio of the signal from the mobile and compares (305) that SNR with the SNR threshold values the base station has for each data rate the mobile is capable of transmitting. The base station then generates power control commands (310) to instruct the mobile to change its power depending on the outcome of the comparisons.

    Abstract translation: 本发明的过程使移动无线电话机能够以100%的占空比工作,同时提供闭环功率控制。 基站测量来自移动台的信号的信噪比,并将SNR与移动台能够发送的每个数据速率的基站具有的SNR阈值进行比较(305)。 基站然后产生功率控制命令(310),以指示移动台根据比较的结果来改变其功率。

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