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    Time division duplex repeater for use in cdma system
    1.
    发明专利
    Time division duplex repeater for use in cdma system 有权
    CDMA系统中使用的时分双工复用器

    公开(公告)号：JP2007110754A

    公开(公告)日：2007-04-26

    申请号：JP2007000206

    申请日：2007-01-04

    Applicant: Qualcomm Inc ,  クゥアルコム・インコーポレイテッドQualcomm Incorporated

    Inventor： WEAVER JR LINDSAY A ,  DEAN RICHARD F ,  ANTONIO FRANKLIN P

    IPC: H04B7/15 ,  H04L5/16 ,  H04B1/707 ,  H04B7/005 ,  H04B7/26 ,  H04J3/08 ,  H04W16/26 ,  H04W52/40 ,  H04W52/46

    CPC classification number: H04W52/46 ,  H04B7/15535 ,  H04B7/2606 ,  H04B7/2618 ,  H04W16/26 ,  H04W52/40

    Abstract: PROBLEM TO BE SOLVED: To provide a time division duplex repeater for use in a CDMA system.
    SOLUTION: The present invention relates to a method and apparatus for time division duplex (TDD) relaying a spread spectrum signal, where spread spectrum signal is comprised of a series of code symbol modulated with a pseudonoise (PN) sequence. The TDD repeater receives intermittently the spread spectrum signal at a location remote from a signal source supplying the spread spectrum signal. The TDD repeater amplifies and delays the received spread spectrum signal by a predetermined amount. The TDD repeater transmits intermittently the delayed amplified received spread spectrum signal such that the TDD is not receiving the spread spectrum signal when it is transmitting the signal energy.
    COPYRIGHT: (C)2007,JPO&INPIT

    Abstract translation: 要解决的问题：提供一种用于CDMA系统的时分双工中继器。 解决方案：本发明涉及中继扩展频谱信号的时分双工（TDD）方法和装置，其中扩频信号由用伪噪声（PN）序列调制的一系列码元组成。 TDD中继器在远离提供扩频信号的信号源的位置处间歇地接收扩频信号。 TDD中继器将接收的扩频信号放大并延迟预定量。 TDD中继器间歇地发送延迟的放大的接收扩频信号，使得TDD在发送信号能量时没有接收扩频信号。 版权所有（C）2007，JPO＆INPIT

    3.
    发明专利
    未知

    公开(公告)号：AT549885T

    公开(公告)日：2012-03-15

    申请号：AT08014212

    申请日：1994-10-28

    Applicant: QUALCOMM INC

    Inventor： GILHOUSEN KLEIN S ,  PADOVANI ROBERTO ,  WEAVER JR LINDSAY A

    IPC: H04W36/06 ,  H04B7/005 ,  H04B7/04 ,  H04B7/216 ,  H04B7/26 ,  H04W16/24 ,  H04W36/18 ,  H04W52/00 ,  H04W52/14 ,  H04W52/40

    Abstract: A method and apparatus providing softer handoff of a mobile unit (90) between sectors (50, 70, and 80) of a common base station (60). A sectorized base station (60) comprises a set of demodulation elements (240A - 204N). Each demodulation element (240A - 204N) may be assigned to a signal from one of a plurality of sectors. The output of the demodulators (240A - 204N) are combined before the decoding process independent of the sector from which the data originated. This configuration provides improved output data reliability, more stable power control, and more efficient use of resources at the base station.

    4.
    发明专利
    未知

    公开(公告)号：FI120377B

    公开(公告)日：2009-09-30

    申请号：FI20080081

    申请日：2008-02-04

    Applicant: QUALCOMM INC

    Inventor： TIEDEMANN JR EDWARD G ,  WEAVER JR LINDSAY A ,  JOU YU-CHEUN ,  BAYLEY GWAIN

    IPC: H04B17/00 ,  H04L1/00 ,  H04B3/46 ,  H04B7/26 ,  H04L1/20 ,  H04L1/24 ,  H04L27/00 ,  H04L69/40

    Abstract: The invention provides a system and method for testing signal transmission quality within a digital communication system and may be incorporated within a digital cellular communication system in which information is exchanged over spread spectrum communication channels. A test sequence of digital data transmitted over the communication channel is received at a receiving station, within which is also generated a replica of the test sequence of digital data. The accuracy of transmission over the communication channel is then determined by comparing the replica of the test sequence of digital data to the test sequence of data received over the communication channel. The invention allows the test sequence of digital data to be transmitted at one of a set of known data rates, with the received station being disposed to identify the data rate associated with each test sequence of digital data. In order to simulate the transmission of, for example, voice data, the system may be configured such that each test sequence of digital data is generated in accordance with a pseudorandom process.

    6.
    发明专利
    未知

    公开(公告)号：FI114533B

    公开(公告)日：2004-10-29

    申请号：FI20031395

    申请日：2003-09-26

    Applicant: QUALCOMM INC

    Inventor： WEAVER JR LINDSAY A ,  PADOVANI ROBERTO ,  BENDER PAUL E

    IPC: H04W24/02 ,  H04B7/005 ,  H04B7/26 ,  H04W36/06 ,  H04W52/04 ,  H04W52/14 ,  H04W52/24 ,  H04W52/40 ,  H04Q7/30 ,  H04Q7/38

    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.

    7.
    发明专利
    未知

    公开(公告)号：NO316968B1

    公开(公告)日：2004-07-12

    申请号：NO983644

    申请日：1998-08-07

    Applicant: QUALCOMM INC

    Inventor： WHEATLEY III CHARLES E ,  DEAN RICHARD F ,  WEAVER JR LINDSAY A

    IPC: H04W52/04 ,  H04N7/173 ,  H04W88/08 ,  H04Q7/36

    Abstract: The present invention is a method and apparatus for integrating a personal communication system with a cable television plant. A set of radio antenna devices (RAD) are connected to the cable plant. The RADs provide frequency conversion and power control of signal received from the cable plant for wireless transmission to the remote units. The RADs also provide power control and frequency conversion of wireless signals received from the remote units for transmission by the RADs onto the cable plant. In addition to the functions of standard base stations and centralized controller, the CATV base station must also compensate for gain variations in the cable plant. The downstream power control is regulated by a RAD reference signal which can be hidden within the CDMA signal for maximum efficiency. The upstream power control is regulated by an upstream gain reference signal which is individually transmitted by each RAD on the upstream link. The architecture of the present invention lends itself to a great deal of flexibility. Each RAD can operate as either an element of a distributed antenna or a base station sector unto itself. The function of each RAD as distributed antenna or as sector can be remotely programmed from the headend processor. Thus the capacity density of the system can be changed to accommodate the changing traffic density. The flexibility also is important at system deployment. When the system is deploy, the entire system may feed only one sector at the base station thus reducing the start-up cost of implementing a system. As system traffic increases, more resources can simply be added at the headend to provide more capacity.

    8.
    发明专利
    未知

    公开(公告)号：FI113728B

    公开(公告)日：2004-05-31

    申请号：FI961318

    申请日：1996-03-21

    Applicant: QUALCOMM INC

    Inventor： WEAVER JR LINDSAY A ,  PADOVANI ROBERTO ,  BENDER PAUL E

    IPC: H04W24/02 ,  H04B7/005 ,  H04B7/26 ,  H04W36/06 ,  H04W52/04 ,  H04W52/14 ,  H04W52/24 ,  H04W52/40 ,  H04Q7/38

    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.

    9.
    发明专利
    未知

    公开(公告)号：NO315449B1

    公开(公告)日：2003-09-01

    申请号：NO20003769

    申请日：2000-07-21

    Applicant: QUALCOMM INC

    Inventor： WEAVER JR LINDSAY A ,  BLAKENEY II ROBERT D ,  GILHOUSEN KLEIN S ,  PADOVANI ROBERTO ,  WHEATLEY III CHARLES E

    IPC: H04J13/00 ,  H04B7/005 ,  H04B7/26 ,  H04L27/30 ,  H04W52/00 ,  H04W52/02 ,  H04W52/06 ,  H04W52/08 ,  H04W52/10 ,  H04W52/12 ,  H04W52/34 ,  H04W52/36 ,  H04W52/40 ,  H04W52/52 ,  H04B7/216 ,  H04Q7/34

    Abstract: A cellular communication system in which a system user and another user communicate with each other by way of information carrying spread spectrum modulated signals transmitted via a cell-site in which system: the system user comprises a transmitter for transmitting information carrying spread spectrum modulated signals to said cell-site, a receiver for receiving information carrying spread spectrum modulated signals from said cell-site and means for measuring signal quality in said information carrying spread spectrum modulated signals received by the system user; the cell-site comprises a transmitter for transmitting information carrying spread spectrum modulated signals to said system user, a receiver for receiving information carrying spread spectrum modulated signals from said system user and adjusting means for adjusting the power of information carrying spread spectrum modulated signals transmitted from the cell-site ; ; and power control means is provided for controlling the transmission power of the information carrying spread spectrum modulated signals by measuring the signal power in the information carrying spread spectrum modulated signals received by the system user and transmitting data representing the measured power to the cell-site by way of the information carrying spread spectrum modulated signals, the adjusting means being responsive to the data in the information carrying spread spectrum modulated signals from the system user to adjust the power in the information carrying spread spectrum modulated signals transmitted by the cell-site.

    10.
    发明专利
    未知

    公开(公告)号：NO983644A

    公开(公告)日：1998-10-07

    申请号：NO983644

    申请日：1998-08-07

    Applicant: QUALCOMM INC

    Inventor： DEAN RICHARD F ,  WEAVER JR LINDSAY A ,  WHEATLEY III CHARLES E

    IPC: H04W52/04 ,  H04N7/173 ,  H04W88/08 ,  H04Q

    CPC classification number: H04W88/085 ,  H04N7/17309 ,  Y02D70/1222

    Abstract: The present invention is a method and apparatus for integrating a personal communication system with a cable television plant. A set of radio antenna devices (RAD) are connected to the cable plant. The RADs provide frequency conversion and power control of signal received from the cable plant for wireless transmission to the remote units. The RADs also provide power control and frequency conversion of wireless signals received from the remote units for transmission by the RADs onto the cable plant. In addition to the functions of standard base stations and centralized controller, the CATV base station must also compensate for gain variations in the cable plant. The downstream power control is regulated by a RAD reference signal which can be hidden within the CDMA signal for maximum efficiency. The upstream power control is regulated by an upstream gain reference signal which is individually transmitted by each RAD on the upstream link. The architecture of the present invention lends itself to a great deal of flexibility. Each RAD can operate as either an element of a distributed antenna or a base station sector unto itself. The function of each RAD as distributed antenna or as sector can be remotely programmed from the headend processor. Thus the capacity density of the system can be changed to accommodate the changing traffic density. The flexibility also is important at system deployment. When the system is deploy, the entire system may feed only one sector at the base station thus reducing the start-up cost of implementing a system. As system traffic increases, more resources can simply be added at the headend to provide more capacity.

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