公开(公告)号：WO2006107911B1

公开(公告)日：2007-07-26

申请号：PCT/US2006012410

申请日：2006-03-31

Applicant: MOTOROLA INC ,  JASPER STEVEN C ,  CORKE ROBERT J ,  FRANK COLIN D ,  MAKHLOUF ISAM R

Inventor： JASPER STEVEN C ,  CORKE ROBERT J ,  FRANK COLIN D ,  MAKHLOUF ISAM R

IPC: H03D1/00 ,  H03K9/00 ,  H04B1/10 ,  H04B3/46 ,  H04L27/00 ,  H04L27/06 ,  H04Q1/20

CPC classification number: H04L25/0224 ,  H04L27/2647

Abstract: A system that includes a receiver (100) that is configured for: selecting (210) a set of demodulator output samples and a corresponding set of reference symbols; generating (220) a set of raw channel estimates based on the set of demodulator output samples and the corresponding set of reference symbols; subdividing (230) the set of raw channel estimates into a plurality of subsets; assigning and applying (240) a corresponding reference symbol magnitude quantization scheme to each subset; determining (250) a set of filter coefficients that is based on the quantization schemes applied to the subsets of raw channel estimates; and combining (260) the set of raw channel estimates with the set of filter coefficients to generate a channel estimate.

Abstract translation: 一种包括接收机（100）的系统，所述接收机（100）被配置用于：选择（210）一组解调器输出采样和对应的一组参考符号; 基于所述一组解调器输出采样和所述对应的参考符号集合生成（220）一组原始信道估计; 将所述一组原始信道估计值细分（230）为多个子集; 将对应的参考符号量值方案分配并应用（240）到每个子集; 基于应用于原始信道估计的子集的量化方案来确定（250）一组滤波器系数; 以及将该组原始信道估计与该组滤波器系数组合（260）以生成信道估计。

公开(公告)号：WO2008085594A2

公开(公告)日：2008-07-17

申请号：PCT/US2007083119

申请日：2007-10-31

Applicant: MOTOROLA INC ,  FRANK COLIN D ,  CONRAD ALAN P ,  CORKE ROBERT J ,  SEOANE JORGE L

Inventor： FRANK COLIN D ,  CONRAD ALAN P ,  CORKE ROBERT J ,  SEOANE JORGE L

IPC: H04Q7/00

CPC classification number: H04L27/2662 ,  H04L25/0212 ,  H04L25/022 ,  H04L25/0228 ,  H04L27/2675

Abstract: First incoming data comprising at least one OFDM symbol is received (302). A plurality of timing relationships is determined and each of the plurality of timing relationships relates to an alignment window of a fast Fourier transform (FFT) (304). Each of the plurality of timing relationships is applied to the first incoming data (306) and a plurality of achievable interference metrics associated with the first incoming data is responsively determined (308). Each of the plurality of achievable interference metrics is associated with a selected one of the plurality of timing relationships. The preferred interference metric is chosen from amongst the plurality of achievable interference metrics.

Abstract translation: 包括至少一个OFDM符号的第一输入数据被接收（302）。 确定多个定时关系并且多个定时关系中的每一个与快速傅立叶变换（FFT）的对准窗口相关（304）。 多个定时关系中的每一个被应用于第一输入数据（306），并响应地确定与第一输入数据相关联的多个可实现的干扰度量（308）。 多个可实现的干扰度量中的每一个与多个定时关系中的选定的一个关联。 优选的干扰度量是从多个可实现的干扰度量中选择的。

公开(公告)号：WO2007146501A3

公开(公告)日：2008-04-03

申请号：PCT/US2007067778

申请日：2007-04-30

Applicant: MOTOROLA INC ,  SILVERMAN SHMUEL ,  EKL RANDY L ,  FRANK COLIN D ,  PANDEY APARNA ,  ROTSTEIN RON ,  WARE CHRISTOPHER G

Inventor： SILVERMAN SHMUEL ,  EKL RANDY L ,  FRANK COLIN D ,  PANDEY APARNA ,  ROTSTEIN RON ,  WARE CHRISTOPHER G

IPC: H04W36/00 ,  H04W36/08 ,  H04W76/02

CPC classification number: H04W36/0055 ,  H04W76/02

Abstract: A method and apparatus for facilitating a fast handoff for subscribers in a Wireless Metropolitan Area Network (WMAN) by establishing a hard association with a first entity by sending a hard association request to the first entity and receiving a hard association response in response to the hard association request and establishing a pending association with a second entity by sending a pending association request to a second entity and receiving a pending association response from the second entity. In one embodiment, the pending association with the second entity may be converted to a hard association.

Abstract translation: 一种用于通过向第一实体发送硬关联请求并且响应于硬而接收硬关联响应而通过与第一实体建立硬关联来促进无线城域网（WMAN）中的订户的快速切换的方法和装置 关联请求并通过向第二实体发送待决关联请求并从第二实体接收待决关联响应来建立与第二实体的挂起关联。 在一个实施例中，与第二实体的挂起关联可以被转换为硬关联。

公开(公告)号：WO0225831A3

公开(公告)日：2002-06-27

申请号：PCT/US0126137

申请日：2001-08-21

Applicant: MOTOROLA INC

Inventor： FRANK COLIN D

IPC: H04B1/7105 ,  H04B7/06 ,  H04B1/707

CPC classification number: H04B1/71055 ,  H04B7/061 ,  H04B7/0619

Abstract: A pilot signal enters a first MMSE receiver (201) and a second signal enters a second MMSE receiver (202). The first MMSE receiver (201) performs a channel estimate for the received pilot signal, determines a mean-square error of the pilot signal, and operates to minimize the mean-square error of the pilot estimate by constantly updating a weighting vector. An estimate of the pilot channel exits the first MMSE receiver (201). The MMSE weighting vector (206) is also fed into the second MMSE receiver (202) and is applied to the second channel. Symbol estimates (or in other embodiments, chip estimates) exit the second MMSE receiver (202) and enter channel circuitry (204), where normal channel processing occurs.

Abstract translation: 导频信号进入第一MMSE接收机（201）并且第二信号进入第二MMSE接收机（202）。 第一MMSE接收器（201）对接收的导频信号执行信道估计，确定导频信号的均方误差，并且通过不断更新加权矢量来使导频估计的均方误差最小化。 导频信道的估计退出第一MMSE接收机（201）。 MMSE加权矢量（206）也被馈送到第二MMSE接收器（202）中并被应用于第二信道。 符号估计（或在其他实施例中，码片估计）退出第二MMSE接收器（202）并进入发生正常信道处理的信道电路（204）。

公开(公告)号：FR2773290B1

公开(公告)日：2004-10-29

申请号：FR9816207

申请日：1998-12-22

Applicant: MOTOROLA INC

Inventor： VISOTSKY YEVGENY ,  FRANK COLIN D ,  SINGH RAHUL ,  MADHOW UPAMANYU

IPC: H04B1/10 ,  H04B1/707 ,  H04B3/10 ,  H04B7/005 ,  H04B7/26 ,  H04L25/03 ,  H04B1/69

Abstract: A communication device such as a mobile station (410) for a spread spectrum communication system includes a receiver (100) having an adaptive equalizer (104) which suppresses interference on a received spread spectrum signal to produce an equalized signal (126). A pilot channel demodulator (110) demodulates the equalized signal to produce an estimate of the pilot channel (140). A summer (112) compares the pilot channel estimate and a predetermined data pattern to produce an error signal (124). A traffic channel demodulator (108) demodulates the equalized signal to produce one or more traffic channels.

公开(公告)号：FR2768576B1

公开(公告)日：2004-10-29

申请号：FR9810128

申请日：1998-08-06

Applicant: MOTOROLA INC

Inventor： LAROSA CHRISTOPHER P ,  CARNEY MICHAEL J ,  BECKER CHRISTOHER J ,  EBERHARDT MICHAEL A ,  FRANK COLIN D ,  RASKY PHILLIP D

IPC: H04B1/7113 ,  H04B1/7115 ,  H04B1/7117 ,  H04B1/69 ,  H04B7/216

Abstract: A RAKE receiver (112) includes a plurality of fingers (122, 124, 126, 128). Each finger includes a demodulator (402) for demodulating a ray of a multipath signal and a time tracking circuit (404) for controlling the time position of the finger in accordance with time position of the ray. A low delay-spread condition is detected and the positions of two adjacent fingers are controlled to prevent convergence of two or more fingers about a common time position. By maintaining finger timing separation, path diversity is exploited by the RAKE receiver even during the low delay-spread condition to improve receiver performance.

公开(公告)号：GB2323501B

公开(公告)日：2001-08-22

申请号：GB9801291

申请日：1998-01-20

Applicant: MOTOROLA INC

Inventor： FRANK COLIN D ,  HONKISZ JENNIFER A ,  STORM BRIAN D

IPC: H04B7/26 ,  H04Q7/36

公开(公告)号：AU735531B2

公开(公告)日：2001-07-12

申请号：AU7861798

申请日：1998-07-31

Applicant: MOTOROLA INC

Inventor： LAROSA CHRISTOPHER P ,  CARNEY MICHAEL J ,  BECKER CHRISTOPHER J ,  EBERHARDT MICHAEL A ,  FRANK COLIN D ,  RASKY PHILLIP D

IPC: H04B1/7113 ,  H04B1/7115 ,  H04B1/7117 ,  H04J13/04 ,  H04B7/216

Abstract: A RAKE receiver (112) includes a plurality of fingers (122, 124, 126, 128). Each finger includes a demodulator (402) for demodulating a ray of a multipath signal and a time tracking circuit (404) for controlling the time position of the finger in accordance with time position of the ray. A low delay-spread condition is detected and the positions of two adjacent fingers are controlled to prevent convergence of two or more fingers about a common time position. By maintaining finger timing separation, path diversity is exploited by the RAKE receiver even during the low delay-spread condition to improve receiver performance.

公开(公告)号：CA2210211C

公开(公告)日：2000-06-27

申请号：CA2210211

申请日：1997-07-11

Applicant: MOTOROLA INC

Inventor： FRANK COLIN D ,  LING FUYUN

IPC: H03K3/84 ,  G06F7/58 ,  H04L9/22 ,  G06F1/02

Abstract: An augmenting circuit (153) augments an embedded PN sequence of 2N-1 chips generated by an N-bit LSSR (111) to provide an augmented PN sequence of 2N chips and an augmented PN sequence of 2N chips shifted by D chips. The augmenting circuit comprises a N-bit counter (123) that counts a plurality of clock bits. The N-bit counter provides a pre-carry signal that changes state when the counter's index equals a predetermined value and provides a value of the N-k most-significant-bits (MSB) of the index. A logic circuit (107,119) receives the plurality of clock bits and responds to the pre-carry signal to gate the plurality of clock bits. A comparator (135) receives the value of the N-k MSB and a threshold value to output a select signal that controls a multiplexer (139).

公开(公告)号：BR9806431A

公开(公告)日：1999-12-21

申请号：BR9806431

申请日：1998-12-28

Applicant: MOTOROLA INC

Inventor： VISOTSKY YEVGENY ,  FRANK COLIN D ,  MADHOW UPAMANYU ,  SINGH RAHUL

IPC: H04B1/10 ,  H04B1/707 ,  H04B3/10 ,  H04B7/005 ,  H04B7/26 ,  H04L25/03

Abstract: A communication device such as a mobile station (410) for a spread spectrum communication system includes a receiver (100) having an adaptive equalizer (104) which suppresses interference on a received spread spectrum signal to produce an equalized signal (126). A pilot channel demodulator (110) demodulates the equalized signal to produce an estimate of the pilot channel (140). A summer (112) compares the pilot channel estimate and a predetermined data pattern to produce an error signal (124). A traffic channel demodulator (108) demodulates the equalized signal to produce one or more traffic channels.