公开(公告)号：JP2009171588A

公开(公告)日：2009-07-30

申请号：JP2009024081

申请日：2009-02-04

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

Inventor： WEAVER LINDSAY A JR

IPC: H04B7/26 ,  H04J11/00

CPC classification number: H04B7/2631

Abstract: PROBLEM TO BE SOLVED: To provide a method and a device for providing a reduced peak-to-average amplitude ratio using a set of low rate channels.
SOLUTION: A set of a plurality of low rate channels are subjected to phase rotation before summed and transmitted. The degree of the phase rotation depends on the number of the channels applied to formation of a higher rate channel. In the case where two low rate channels (a channel A, a channel B) are used, the in-phase components and quadrature-phase components of the two channels are multiplied before upconversion using in-phase and quadrature-phase sinusoids, COS(ω
c t), SIN(ω
c t). For a high rate channel composed of a plurality of low rate channels, the in-phase and quadrature-phase component of each channel is upconverted with a set of sinusoids, COS(ω
c t+i/N.180°), SIN(ω
c t+i/N.180°) that have phases offset from one another.
COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供一种使用一组低速率通道提供降低的峰值与平均振幅比的方法和装置。 解决方案：一组多个低速率通道在相加和相加之前进行相位旋转。 相位旋转的程度取决于应用于形成较高速率通道的通道的数量。 在使用两个低速率通道（通道A，通道B）的情况下，使用同相和正交相位正弦曲线COS（上变频）将两个通道的同相分量和正交相位分量相乘 SIN（ω c t）。 对于由多个低速率信道组成的高速率信道，每个信道的同相和正交相位分量用一组正弦曲线COS（ω c + t + i / N .180°），相位偏移的SIN（ω c t + i / N.180°）。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2011151817A

公开(公告)日：2011-08-04

申请号：JP2011030663

申请日：2011-02-16

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

Inventor： BLACK PETER J ,  PADOVANI ROBERTO ,  WEAVER LINDSAY A JR

IPC: H04J13/10 ,  H03K3/84 ,  H04B1/707 ,  H04J13/00 ,  H04Q7/38 ,  H04W36/00 ,  H04W36/14

CPC classification number: H04J13/10 ,  H03K3/84 ,  H04B1/707 ,  H04J13/0022

Abstract: PROBLEM TO BE SOLVED: To provide techniques to improve the acquisition process in a spread spectrum environment.
SOLUTION: A transmission apparatus includes: a spreader configured to receive pilot data, spread the pilot data through one set of PN sequences and to output the spread pilot data; a PN generator coupled to the spreader and configured to output a set of PN sequences generated based on property equations: P
I,2 =x
15 +x
10 +x
8 +x
7 +x
6 +x
2 +1 and P
Q,2 =x
15 +x
12 +x
11 +x
10 +x
9 +x
5 +x
4 +x
3 +1; a modulator coupled to the spreader and configured to modulate the spread pilot data and to output a modulated signal; and a transmitter coupled to the modulator and configured to receive and adjust the modulated signal and to output a spread spectrum signal.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供在扩展频谱环境中改进采集过程的技术。 解决方案：传输设备包括：扩展器，被配置为接收导频数据，通过一组PN序列扩展导频数据并输出扩展的导频数据; PN发生器，其耦合到所述扩展器并且被配置为输出基于特性方程生成的一组PN序列：P I，2 = x 15 + x / SP> + x 8 + x 7 + x 6 + x 2 +1和P Q，2 = X 15 + X 12 + X 11 + X 10 + X < SP> 9 + X 5 + X 4 + X 3 1; 耦合到扩展器并被配置为调制扩展导频数据并输出调制信号的调制器; 以及耦合到调制器并被配置为接收和调整调制信号并输出​​扩频信号的发射机。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JPH07505030A

公开(公告)日：1995-06-01

申请号：JP51589893

申请日：1993-03-04

Applicant: QUALCOMM INC

Inventor： TIEDEMANN EDWARD G JR ,  WEAVER LINDSAY A JR ,  KERR RICHARD J ,  GEIB KENNETH M

IPC: H04J3/16 ,  H04B1/16 ,  H04B7/26 ,  H04W24/00 ,  H04W48/08 ,  H04W52/02 ,  H04W56/00 ,  H04W72/04 ,  H04W72/12 ,  H04W74/04 ,  H04Q7/18

公开(公告)号：WO9744984A3

公开(公告)日：1997-12-31

申请号：PCT/US9709305

申请日：1997-05-23

Applicant: QUALCOMM INC

Inventor： WEAVER LINDSAY A JR ,  MUNSINGER DAVID B ,  PADOVANI ROBERTO ,  ZIV NOAM A ,  KARMI GADI ,  GILHOUSEN KLEIN S

IPC: H04W24/02 ,  H04W36/14 ,  H04Q7/38 ,  H04B7/26

CPC classification number: H04W36/30 ,  H04W36/0083

Abstract: In a communications network, a network user communicates through a remote unit (30) with another user via at least one base station (100). The communications network includes a first mobile switching center (MSC-I) which controls communications through a first set of base stations including a first base station (100). The remote unit (30) stores a list of active base stations which has an entry corresponding to each base station with which active communication is established. The first base station (100) has an entry on the list of active base stations. The first base station (100) measures a round trip delay of an active communication signal between the first base station (100) and the remote unit (30). A handoff of the active communication signal is initiated if the round trip delay of the active communication exceeds a threshold if the first base station (100) is designated as a reference base station. Alternatively, the remote unit (30) also stores a list of candidate base stations comprising an entry corresponding to each base station through which active communication may be possible but is not established. A handoff of the active communication signal is initiated if the list of candidate base stations comprises an entry corresponding to a triggering pilot signal.

公开(公告)号：WO9744969A3

公开(公告)日：1997-12-31

申请号：PCT/US9708670

申请日：1997-05-22

Applicant: QUALCOMM INC

Inventor： WEAVER LINDSAY A JR ,  WHITE KATHERINE W

IPC: H04W16/32 ,  H04W36/14 ,  H04Q7/22 ,  H04Q7/36 ,  H04Q7/38

CPC classification number: H04W36/0055 ,  H04W16/32 ,  H04W48/12

Abstract: In a communications network, a remote unit (125) communicates with another user (30) via at least one base station (B1A). The network has a plurality of base stations (B1A-B1E) controlled by a mobile switching center (MSC-I). Each base station of the plurality of base stations (B1A-B1E) transmits an identifying pilot signal. Defining an area in which communication between a set of the base stations and the remote unit (125) is forbidden, an auxiliary antenna (130) transmits a silent region identifying pilot signal. The remote unit (125) measures a signal strength of a set of identifying pilot signals corresponding to a neighbor set of base stations (B2A-B2E) and measures a signal strength of the silent region identifying pilot signal. The remote unit (125) sends a pilot strength measurement report to the mobile switching center (MSC-I) via a first base station (B1A) with which the remote unit (125) has established communication. A handoff of the established communication between the remote unit (125) and the first base station (B1A) is initiated if the pilot strength measurement report comprises an entry corresponding to the silent region identifying pilot signal.

公开(公告)号：EP0629325A4

公开(公告)日：1998-04-08

申请号：EP93907229

申请日：1993-03-04

Applicant: QUALCOMM INC

Inventor： TIEDEMANN EDWARD G JR ,  WEAVER LINDSAY A JR ,  PADOVANI ROBERTO

IPC: H04B1/707 ,  H04B1/7103 ,  H04B7/26 ,  H04J13/00 ,  H04J13/10 ,  H04J13/16 ,  H04L1/16 ,  H04L12/28 ,  H04L12/403 ,  H04L12/413 ,  H04L27/30 ,  H04W28/04 ,  H04W52/48 ,  H04W52/50 ,  H04W74/00 ,  H04W74/08

CPC classification number: H04W74/0841 ,  H04B1/707 ,  H04B1/7103 ,  H04B7/2628 ,  H04B2201/709709 ,  H04J13/0022 ,  H04J13/10 ,  H04J13/16 ,  H04L1/188 ,  H04L1/1887 ,  H04W52/48 ,  H04W52/50 ,  H04W74/002 ,  H04W74/08 ,  H04W74/0833 ,  H04W74/0866

Abstract: Collisions between messages simultaneously transmitted by multiple spread spectrum transmitters are reduced by distributing the transmissions over the available resources of the receiver. Each mobile station uses one or more randomization methods to distribute its transmissions. Each mobile station includes a microprocessor (100); an encoder (140); a timing generator (136); a PN long code sequence generator (146); and XOR gate (152). The system is used in a CDMA mobile telephone system.

公开(公告)号：EP0621998A4

公开(公告)日：1995-01-18

申请号：EP93903541

申请日：1993-01-19

Applicant: QUALCOMM INC

Inventor： PADOVANI ROBERTO ,  TIEDEMANN EDWARD G JR ,  WEAVER LINDSAY A JR ,  BUTLER BRIAN K

IPC: H04L27/20 ,  H04B7/00 ,  H04J3/16 ,  H04J3/22 ,  H04J3/24 ,  H04J11/00 ,  H04J13/00 ,  H04J13/18 ,  H04L20060101 ,  H04L1/00 ,  H04L1/08 ,  H04L12/00 ,  H04L27/30 ,  H04L29/06 ,  H04Q7/38

CPC classification number: H04L1/0057 ,  H04J3/1688 ,  H04J3/22 ,  H04J3/24 ,  H04J13/0048 ,  H04J13/18 ,  H04L1/0059 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/08

Abstract: In a CDMA cellular communication system, a forward CDMA channel is used to transmit information from a cell base to the mobile station. Conversely, a reverse CDMA channel is used to transmit information from the mobile station to the cell base station. The transmit portion of the mobile transceiver includes a microphone (12), a codec (16), a vocoder (14), a mask circuit (32), a convolutional encoder (22), a block interleaver (24), a 64-ary orthogonal modulator, an in-phase PN generator (38), a quadrature PN generator (40), filtering circuits (42, 44, 50, 52), a quadrature modulator (54) and a transmitter (56).

公开(公告)号：EP0504281A4

公开(公告)日：1993-07-07

申请号：EP91901367

申请日：1990-11-30

Applicant: QUALCOMM INC

Inventor： AMES WILLIAM G ,  JACOBS IRWIN M ,  WEAVER LINDSAY A JR ,  GILHOUSEN KLEIN S

IPC: G01S5/12 ,  G01S5/14 ,  G01S13/87 ,  G01S19/00 ,  G01S19/01 ,  G01S19/38 ,  G01S19/48 ,  H04B7/185 ,  G01S5/10

CPC classification number: G01S19/00 ,  G01S5/14 ,  G01S13/46 ,  G01S13/876 ,  G01S19/38 ,  G01S2013/466

公开(公告)号：WO9858472A3

公开(公告)日：1999-04-15

申请号：PCT/US9812482

申请日：1998-06-16

Applicant: QUALCOMM INC

Inventor： WEAVER LINDSAY A JR

IPC: H04B7/26 ,  H04J11/00 ,  H04J13/02

CPC classification number: H04B7/2631

Abstract: A method of and apparatus for transmitting data at a high data rate in a plurality of low data rate channels is described. The set of lower rate channels are phase rotated before being summed and transmitted. The amount of phase rotation is dependent on the number of channels used to form the higher rate channel. In an embodiment where two lower rate channels (CHANNEL A, CHANNEL B) (90, 92) are used, the in-phase and quadrature-phase components (94, 96) of the two channels are complex multiplied before upconversion with an in-phase and quadrature-phase sinusoids (COS( omega Ct), SIN( omega Ct)), For a high rate channel comprised of more than two lower rate channels (90, 92), the in-phase and quadrature-phase component of each channel is upconverted with a set of sinusoids (COS( omega Ct + i/N.180 DEG ), SIN( omega Ct + i/N.180 DEG )) that are phase offset from one another.

Abstract translation: 描述了用于在多个低数据速率信道中以高数据速率发送数据的方法和装置。 较低速率信道的集合在被相加和发送之前被相位旋转。 相位旋转量取决于用于形成较高速率通道的通道数。 在使用两个较低速率信道（CHANNEL A，CHANNEL B）（90,92））的实施例中，两个信道的同相和正交相位分量（94,96）在上变频之前是复乘的， 相位和正交相位正弦曲线（COS（ωCt），SIN（ωCt））对于由多于两个较低速率通道（90,92）组成的高速率通道，每个相位和正交相位正弦曲线的同相和正交相位分量 通道被相互偏移的一组正弦曲线（COS（ωCt + i / N.180°），SIN（ωCt+ i / N.180°））上变频。

公开(公告)号：WO9744970A2

公开(公告)日：1997-11-27

申请号：PCT/US9708677

申请日：1997-05-22

Applicant: QUALCOMM INC

Inventor： WEAVER LINDSAY A JR ,  HOLCMAN TONI L ,  MUNSINGER DAVID B ,  ZIV NOAM A ,  BAKER KENNETH R

IPC: H04W24/02 ,  H04W36/12 ,  H04W36/14 ,  H04Q7/22 ,  H04Q7/38

CPC classification number: H04W36/32 ,  H04W36/0083

Abstract: In a communications network, a network user communicates using a remote unit (125) with another user (30) via at least one base station (B1A). The network is comprised of first (MSC-I) and second (MSC-II) mobile switching control stations respectively controlling communications through a first set of base stations (B1A-B1E) including a first base station (B1A) and through a second set of base stations (B2A-B2E) including a second base station (B2A). To direct communications between the remote unit (125) and the first (B1A) and second base stations (B2A) the first base station (B1A) measures a round trip delay of an active communication signal between the first base station (B1A) and the remote unit (125). The remote unit (125) measures a first phase offset of a pilot signal received from a first candidate base station (B1A) and reports it to the first mobile switching center (MSC-I) via the first base station (B1A). The first mobile switching center (MSC-I) calculates a candidate round trip delay between the remote unit (125) and the first candidate base station (B1A) based on the first phase offset and the round trip delay of the active communication signal. An active communication control unit accesses a measurement directed hard handoff table to determine a location of the remote unit based on the round trip delay corresponding to the first active communication signal and the candidate round trip delay.

Abstract translation: 在通信网络中，网络用户经由至少一个基站（B1A）使用远程单元（125）与另一用户（30）进行通信。 网络由第一（MSC-I）和第二（MSC-II）移动交换控制站组成，分别通过包括第一基站（B1A）的第一组基站（B1A-B1E）和通过第二组 包括第二基站（B2A）的基站（B2A-B2E）。 为了引导远程单元（125）与第一（B1A）和第二基站（B2A）之间的通信，第一基站（B1A）测量第一基站（B1A）和第二基站（B1A）之间的活动通信信号的往返延迟 远程单元（125）。 远程单元（125）测量从第一候选基站（B1A）接收的导频信号的第一相位偏移，并经由第一基站（B1A）将其报告给第一移动交换中心（MSC-1）。 第一移动交换中心（MSC-I）基于主动通信信号的第一相位偏移和往返延迟来计算远程单元（125）和第一候选基站（B1A）之间的候选往返延迟。 主动通信控制单元基于与第一主动通信信号和候选往返延迟相对应的往返延迟来访问测量导向硬切换表以确定远程单元的位置。