公开(公告)号：US07154962B2

公开(公告)日：2006-12-26

申请号：US09963669

申请日：2001-09-27

Applicant: Gene L. Cangiani ,  Richard S. Orr ,  Charles Q. Nguyen

Inventor： Gene L. Cangiani ,  Richard S. Orr ,  Charles Q. Nguyen

IPC: H04L27/04

CPC classification number: H04L27/2071 ,  H04B2201/70706 ,  H04B2201/70715 ,  H04J13/0022 ,  H04J13/16 ,  H04L5/04

Abstract: An intervote modulator (10) includes a majority voting logic unit (12) and an interplex modulator (14). The majority voting logic unit receives plural signal codes (e.g., five codes x1, x2, x3, x4, x5) together with their respective target gains G1, G2, G3, G4, G5 representing the desired transmit power for the individual signal codes. The majority voting logic unit combines three of these five signal codes to form a majority vote composite signal while keeping the other two signal codes uncombined. The majority vote composite signal and the two uncombined signals are then supplied to the interplex modulator as signals s1, s2 and s3. The interplex modulator applies interplex modulation to signals s1, s2 and s3 to form the in-phase and quadrature components of the final composite signal. The majority voting logic unit employs a generalized majority vote involving an interlace of sub-majority votes determined on a chip-by-chip basis.

Abstract translation: 间隔调制器（10）包括多数表决逻辑单元（12）和互连调制器（14）。 多数表决逻辑单元接收多个信号码（例如，五个码x 1，x 2，x 3，x 4， / SUB>，x 5）以及它们各自的目标增益G 1，G 2，G 3， G 4代表各个信号码的期望发射功率。 多数投票逻辑单元组合了这五个信号代码中的三个，以形成多数投票复合信号，同时保持其他两个信号码未组合。 然后，多数投票复合信号和两个未组合信号作为信号s 1，S 2和S 3 3提供给互连调制器。 互连调制器对信号s 1，S 2和S 3 3进行互连调制以形成最终复合物的同相和正交分量 信号。 大多数表决逻辑单位采用广义多数票，涉及逐个基准确定的分多数票的交错。

公开(公告)号：US07126980B1

公开(公告)日：2006-10-24

申请号：US10149468

申请日：2000-11-28

Applicant: Marco Breiling

Inventor： Marco Breiling

IPC: H04B1/69 ,  H04B1/707 ,  H04B1/713

CPC classification number: H04B1/7075 ,  H04B2201/70706 ,  H04J13/0003 ,  H04L27/2614

Abstract: In an apparatus for generating a transmit sequence comprising information from a plurality of information channels, a first means serves for generating a plurality of different candidate channel sequences from information of a first information channel of the plurality of information channels using a first code sequence associated with the first information channel, wherein each candidate channel sequence carries the same information as the information of the first information channel. A second means is provided to provide at least one candidate channel sequence for a second information channel from the plurality of information channels using a second code sequence associated with the second information channel and differing from the first code sequence. To receive an optimum transmit sequence resulting in a minimum out-of-band radiation combined sequences are examined, wherein each combined sequence may be obtained by a combination of at least one candidate channel sequence from each information channel. After this either the combined sequence is selected resulting in a minimum out-of-band radiation or the optimum candidate channel sequences are selected from the individual information channels, which together result in the optimum combined sequence causing a minimum out-of-band radiation. Therefore it is possible to reduce peak values e.g. occurring in the code multiplex modulation concept in the transmit sequence distortion-free.

Abstract translation: 在用于产生包括来自多个信息信道的信息的发送序列的装置中，第一装置用于使用与第一代码序列相关联的多个信息信道中的第一信息信道的信息来生成多个不同候选信道序列 第一信息信道，其中每个候选信道序列携带与第一信息信道的信息相同的信息。 第二装置被提供用于使用与第二信息信道相关联并且与第一代码序列不同的第二代码序列从多个信息信道提供用于第二信息信道的至少一个候选信道序列。 检查导致最小带外辐射组合序列的最佳发射序列，其中可以通过来自每个信息信道的至少一个候选信道序列的组合来获得每个组合序列。 之后，选择组合序列导致最小带外辐射，或者从个体信息信道中选择最佳候选信道序列，这些信息信道一起导致最佳组合序列，导致最小带外辐射。 因此，有可能降低峰值。 发生在码复用调制概念中的发送序列无失真。

公开(公告)号：US20060227906A1

公开(公告)日：2006-10-12

申请号：US11387960

申请日：2006-03-24

Applicant: Shuhei Horikoshi

Inventor： Shuhei Horikoshi

IPC: H04L27/08

CPC classification number: H04B1/707 ,  H04B2201/70706 ,  H04L27/2624

Abstract: A power clipping circuit and method of the clipping circuit is provided. A power clipping circuit comprises, a selector which receives a baseband signal, and selects one of the baseband signal or a feed back signal, and outputs a selected signal, and a square clipping circuit which receives the selected signal, and limits an amplitude of the selected signal, and outputs a clipped signal, and a phase rotation circuit which receives the clipped signal, and rotates a phase of the clipped signal, and outputs a phase rotated signal to the selector as the feed back signal, and an amplitude scaling circuit which receives the phase rotated signal, and adjust the phase rotated signal to compensate an amplitude difference between the phase rotated signal and the clipped signal, and sends amplitude scaled signal, and a controlling circuit which controls the selector, the square clipping circuit, the phase rotation circuit and the amplitude scaling circuit.

Abstract translation: 提供了削波电路的功率限幅电路和方法。 功率限幅电路包括：接收基带信号并选择基带信号或反馈信号之一并输出所选信号的选择器，以及接收所选信号的平方限幅电路，并限制 并输出限幅信号，以及相位旋转电路，其接收被削波信号，并旋转被切断信号的相位，并将相位旋转信号输出到选择器作为反馈信号;以及幅度缩放电路， 接收相位旋转信号，并调整相位旋转信号以补偿相位旋转信号与限幅信号之间的幅度差，并发送幅度缩放信号，以及控制电路，控制选择器，平方截止电路，相位旋转 电路和幅度缩放电路。

公开(公告)号：US07099371B2

公开(公告)日：2006-08-29

申请号：US10029278

申请日：2001-12-28

Applicant: Dong Wook Roh

Inventor： Dong Wook Roh

IPC: H04B1/69

CPC classification number: H04J13/004 ,  H04B1/707 ,  H04B2201/70706 ,  H04J13/007 ,  H04J13/14 ,  H04J13/22

Abstract: The present invention relates to an orthogonal spreading code in a code division multiple access (CDMA) mobile communication system, and more particularly, to a method for generating and allocating code or code pairs on the basis of an orthogonal code set, which is generated using orthogonal spreading codes, so as to reduce a peak-to-average power ratio and enlarge the length of an interference free window. In accordance with the invention, at least one orthogonal code set is generated based upon orthogonal spreading codes, one of the at least one orthogonal code set is determined as a representative orthogonal code set, and then the order is allocated according to rules determined based upon the representative orthogonal code set. The codes or code pairs are generated and allocated using the orthogonal spreading codes, so as to reduce a Peak-to-Average Power Ratio or extend the length of an interference free window (IFW).

Abstract translation: 本发明涉及码分多址（CDMA）移动通信系统中的正交扩频码，更具体地说，涉及一种用于基于正交码集产生和分配码或码对的方法，该方法使用 正交扩展码，以便降低峰值与平均功率比并扩大无干扰窗口的长度。 根据本发明，基于正交扩展码生成至少一个正交码集，至少一个正交码集中的一个被确定为代表性的正交码集，然后根据基于 代表正交码集。 使用正交扩展码生成和分配代码对或代码对，以便降低峰值平均功率比或延长无干扰窗口（IFW）的长度。

公开(公告)号：US20060188001A1

公开(公告)日：2006-08-24

申请号：US10547835

申请日：2004-03-03

Applicant: Shaomin Mo ,  Alexander Gelman

Inventor： Shaomin Mo ,  Alexander Gelman

IPC: H04B1/69

CPC classification number: H04J13/00 ,  H03K3/84 ,  H04B1/707 ,  H04B1/71632 ,  H04B1/719 ,  H04B2201/70706 ,  H04J13/10 ,  H04J13/102 ,  H04L25/03866

Abstract: Methods and apparatus for reducing discrete power spectral density (PSD) components of wideband signals transmitting blocks of data are disclosed. Discrete components are reduced by acquiring N symbols of pseudo-random data, each symbol having K bits; selecting one bit from each of the acquired symbols to generate N selected bits; selectively inverting a respective element in one of the data blocks responsive to the selected bits; acquiring one or more bits of pseudo-random data to replace a corresponding one or more respective bits of the acquired N symbols of pseudo-random data; and repeating for successive blocks of data.

Abstract translation: 公开了用于降低传输数据块的宽带信号的离散功率谱密度（PSD）分量的方法和装置。 通过获取伪随机数据的N个符号来减少离散分量，每个符号具有K个比特; 从每个所获取的符号中选择一个位以产生N个选择的比特; 响应于所选择的位，选择性地反转一个数据块中的相应元件; 获取伪随机数据的一个或多个比特以取代所获取的伪随机数据的N个符号的对应的一个或多个相应比特; 并重复连续的数据块。

公开(公告)号：US20060115028A1

公开(公告)日：2006-06-01

申请号：US11270312

申请日：2005-11-09

Applicant: Heinrich Schenk

Inventor： Heinrich Schenk

IPC: H03D1/04

CPC classification number: H04L27/2614 ,  H04B2201/70706

Abstract: A method and a device for reducing the crest factor of a signal is operable to generate a correction signal as a combination of a plurality of partial correction signals having respectively predetermined frequencies and a signal having a reduced crest factor being issued as a differential between the correction signal and the signal. The respectively predetermined frequencies are selected such that the correction signal, which has a period length that is shorter than a length of the signal, is periodic. Therefore, according to the invention, only one period of the correction signal is determined and the correction signal is then determined as a periodic continuation of the one period.

Abstract translation: 用于降低信号的波峰因数的方法和装置可操作以产生校正信号，作为具有分别预定频率的多个部分校正信号和具有降低的波峰因数的信号作为校正之间的差分而被发出的组合 信号和信号。 选择分别预定的频率使得具有比信号的长度短的周期长度的校正信号是周期性的。 因此，根据本发明，仅确定校正信号的一个周期，然后将校正信号确定为该周期的周期性延续。

公开(公告)号：US20060079193A1

公开(公告)日：2006-04-13

申请号：US11287787

申请日：2005-11-28

Applicant: Tadahiro Sato ,  Akifumi Adachi

Inventor： Tadahiro Sato ,  Akifumi Adachi

IPC: H04B17/02 ,  H04B1/06

CPC classification number: H03G3/3052 ,  H03G3/005 ,  H03G3/3078 ,  H03G3/3089 ,  H03G2201/103 ,  H03G2201/202 ,  H03G2201/305 ,  H04B1/707 ,  H04B2201/70701 ,  H04B2201/70706

Abstract: A radio receiver includes a branching unit, a first gain-control system, a second-gain control system, and a signal processing unit. The branching unit branches a radio signal received by the radio receiver into two signals. The first-gain control system performs a gain control of a pilot signal in one of branched signals, and the second gain control system performs a gain control of a data signal in another of the branched signals. The signal processing unit synchronizes frames in the received radio signal. The signal processing unit outputs a gain signal to each of the first gain-control system and the second gain-control system. The first gain-control system and the second gain-control system perform the gain controls based on the gain signal.

公开(公告)号：US07027482B1

公开(公告)日：2006-04-11

申请号：US09583870

申请日：2000-05-31

Applicant: Tominari Nomura

Inventor： Tominari Nomura

IPC: H04B1/69 ,  H04J13/02

CPC classification number: H04B1/707 ,  H04B2201/70706

Abstract: In a spread spectrum transmitter, a number of spread spectrum channel signals are multiplexed into a digital amplitude signal by a multiplexer, and the time-average power of the digital amplitude signal is determined by an average calculator. The digital amplitude signal is interpolated by an interpolator, scaled according to a first scale factor by a bit shifter and converted to an analog amplitude signal by a D/A converter. The analog amplitude signal is then scaled according to a second scale factor in a gain controlled amplifier. The first and second scale factors are complementarily varied by a control circuit according to the output of the average calculator so that the carrier-to-noise ratio of the transmitter is maintained substantially constant regardless of the varying power level of the multiplexed signals.

Abstract translation: 在扩频发射机中，通过多路复用器将多个扩频信道信号复用成数字振幅信号，数字振幅信号的时间平均功率由平均值计算器确定。 数字幅度信号由内插器内插，根据第一比例因子由比特移位器进行缩放，并通过D / A转换器转换成模拟幅度信号。 然后根据增益控制放大器中的第二比例因子对模拟幅度信号进行缩放。 第一和第二比例因子根据平均计算器的输出由控制电路互补地变化，使得发射机的载噪比保持基本上恒定，而与多路复用信号的变化功率电平无关。

公开(公告)号：US06999734B2

公开(公告)日：2006-02-14

申请号：US10304850

申请日：2002-11-27

Applicant: Motoya Iwasaki

Inventor： Motoya Iwasaki

IPC: H04B1/04

CPC classification number: H04W52/367 ,  H03G11/04 ,  H04B2201/70706

Abstract: A nonlinear compensating circuit, a base-station apparatus and a transmission power clipping method for executing a clipping operation in a high output amplifier at the transmitting end during multicarrier amplification. A plurality of power converting circuits calculate power values of respective input signals. An adder adds up the calculated power values to obtain a synthetic power value P. A divider divides a predetermined threshold value T by the synthetic power value P. When the divided value T/P is equal to or more than 1, a determining circuit outputs a clip control signal for turning off the clipping operation to a plurality of clipping circuits. When the divided value T/P is less than 1, the clip control signal turn on the clipping operation.

Abstract translation: 一种用于在多载波放大期间在发送端的高输出放大器中执行限幅操作的非线性补偿电路，基站装置和发射功率削波方法。 多个功率转换电路计算各个输入信号的功率值。 加法器将计算的功率值相加以获得合成功率值P.分频器将预定阈值T除以合成功率值P.当分频值T / P等于或大于1时，确定电路输出 用于将削波操作截止到多个限幅电路的剪辑控制信号。 当分割值T / P小于1时，剪辑控制信号打开剪辑操作。

公开(公告)号：US06993066B2

公开(公告)日：2006-01-31

申请号：US09959579

申请日：2001-03-08

Applicant: Yusuke Chinda ,  Katsuhiko Hiramatsu

Inventor： Yusuke Chinda ,  Katsuhiko Hiramatsu

IPC: H04B1/69 ,  H04J13/02

CPC classification number: H03G3/001 ,  H03G3/005 ,  H04B1/707 ,  H04B2201/70706 ,  H04B2201/709709 ,  H04J13/00 ,  H04W52/44 ,  H04W52/52

Abstract: A code multiplexer multiplexes spread data output from a spreader to generate code-multiplexed data. A reference data generator generates redundant data with constant power and with no information contained therein. A data adder adds the redundant data to the code-multiplexed data. A variable amplifier variably amplifies the transmit power of the code-multiplexed data and the redundant data to obtain transmit output data. A difference value calculator calculates a difference value between a target amplitude value and the amplitude of the amplified redundant data. A gain controller generates, based on the difference value, a gain control signal to control the gain of the variable amplifier. It is thereby possible to perform gain compensation with a small calculation amount and with high accuracy.

Abstract translation: 代码复用器多路复用从扩展器输出的扩展数据以生成代码复用数据。 参考数据发生器产生具有恒定功率的冗余数据，并且其中不包含信息。 数据加法器将冗余数据加到码复用数据中。 可变放大器可变地放大代码复用数据和冗余数据的发送功率，以获得发送输出数据。 差值计算器计算目标振幅值和放大的冗余数据的振幅之间的差值。 增益控制器基于差值产生用于控制可变放大器的增益的增益控制信号。 由此，能够以较小的计算量，高精度地进行增益补偿。