公开(公告)号：CA2697000A1

公开(公告)日：2009-02-19

申请号：CA2697000

申请日：2008-08-13

Applicant: MOTOROLA INC

Inventor： NORY RAVIKIRAN ,  FERNANDES EDGAR ,  LOVE ROBERT ,  NANGIA VIJAY ,  SCHWENT DALE ,  STEWART KENNETH A

IPC: H04B17/00 ,  H04B7/005

Abstract: The present disclosure describes a method and apparatus for transmit power calibration in a frequency division multiplexed wireless system (100). The method may include receiving (315) an uplink scheduling grant at a user equipment (120), establishing (320) a desired power level based on at least the uplink scheduling grant, and setting (325) hardware power settings based on the desired power level. The method may also include transmitting (330) data in a first subframe at a first power level based on the hardware power settings, measuring (335) the first power level in the first subframe, and determining (340) a difference between the desired power level and the measured first power level. The method may additionally include modifying (345) the hardware power settings based on the difference and transmitting (350) at a second power level based on the modified hardware power settings in a next transmission corresponding to the transmission in the first subframe.

公开(公告)号：AR063713A1

公开(公告)日：2009-02-11

申请号：ARP070104348

申请日：2007-10-01

Applicant: MOTOROLA INC

Inventor： STEWART KENNETH A ,  CLASSON BRIAN K ,  KUCHIBHOTLA RAVI ,  LOVE ROBERT T ,  BAUM KEVIN L

IPC: H04B7/005

Abstract: Un método (400, 500) y aparato para la sincronización de un dispositivo de comunicaciones inalámbricas (300) mediante múltiples canales de sincronización. El dispositivo de comunicaciones inalámbricas (300) puede realizar una búsqueda de celda inicial (420). Durante la búsqueda de celda inicial, puede adquirirse un símbolo de sincronización primaria (430) sólo de un canal central de sincronización de los múltiples canales de sincronización. Los múltiples canales de sincronización pueden incluir el canal central de sincronización y múltiples canales de sincronización secundaria. El símbolo de sincronización primaria puede asociarse con los múltiples canales de sincronización secundaria. Puede ejecutarse una traducción de frecuencia (460) para cambiar un canal receptor a fin de adquirir uno de los canales de sincronización secundaria.

公开(公告)号：BRPI0415527A

公开(公告)日：2006-12-26

申请号：BRPI0415527

申请日：2004-09-21

Applicant: MOTOROLA INC

Inventor： STEWART KENNETH A ,  BACHU RAJA S ,  BUCKLEY MICHAEL E ,  WILKINS CLINT S

IPC: H04L25/03 ,  H04B1/10

公开(公告)号：BRPI0411307A

公开(公告)日：2006-07-11

申请号：BRPI0411307

申请日：2004-05-05

Applicant: MOTOROLA INC

Inventor： LOVE ROBERT T ,  STEWART KENNETH A

IPC: H04B7/005 ,  H04B7/08 ,  H04L12/56 ,  H04W24/00 ,  H04W36/18 ,  H04W52/02 ,  H04W52/42 ,  H04Q7/20

Abstract: A wireless communications device (100) includes a primary radio frequency branch (134) and a diversity branch (136), which is enabled and disabled to balance performance and power consumption. Diversity mode operation of the device is controlled, for example, based on one or more of an estimated channel quality indicator, data reception, data rate, state or mode of the station, estimated signal to noise ratio of a pilot signal, battery power level, distance from a serving cell, among other factors.

公开(公告)号：MXPA05013300A

公开(公告)日：2006-03-09

申请号：MXPA05013300

申请日：2004-05-05

Applicant: MOTOROLA INC

Inventor： STEWART KENNETH A

IPC: H04W16/10 ,  H04W36/06 ,  H04Q7/20

Abstract: Las modalidades de la presente invencion proveen un metodo y aparato para asignar unidades de abonado moviles mejoradas a una red de telecomunicaciones. En una primera modalidad, una red (100) identifica (801) una marca de clase de una unidad movil de abonado (117) y determina (083) si la estacion movil tiene una capacidad de desempeno mejorada, por ejemplo una capacidad de cancelacion de interferencia. Si la terminal movil (117) esta mejorada, se asigna (807) a una ranura de tiempo de carga fraccional alta. Si no, se asigna una ranura de tiempo de carga fraccional baja (805). Los procedimientos de conmutacion se controlan en una manera similar, en la cual la capacidad de la terminal movil se determina antes de asignar ranuras de tiempo durante la conmutacion.

公开(公告)号：FI116262B

公开(公告)日：2005-10-14

申请号：FI954623

申请日：1995-09-29

Applicant: MOTOROLA INC

Inventor： KOTZIN MICHAEL D ,  STEWART KENNETH A

IPC: G10L19/00 ,  H04B1/10 ,  H04B7/26 ,  H04L12/56 ,  H04W16/14 ,  H04W28/22 ,  H04W36/18 ,  H04Q7/22 ,  H04Q7/32 ,  H04J13/00

Abstract: A code division multiple access (CDMA) communication system reduces interference by reducing the encoding rate for selected mobiles. The system primarily uses link related characteristics such as, inter alia, distance measurements, physical resource power and mobile determined noise, to determine which mobiles require a encoding rate reduction. Once determined, the encoding rate of the determined mobiles is reduced, which in turn reduces self-interference and enhances system capacity.

公开(公告)号：FI114421B

公开(公告)日：2004-10-15

申请号：FI960966

申请日：1996-03-01

Applicant: MOTOROLA INC

Inventor： STEWART KENNETH A ,  LOVE ROBERT T

IPC: H03D3/00 ,  H04B1/26 ,  H04B1/69

Abstract: An efficient apparatus for performing frequency conversion from a final IF frequency to a baseband frequency is described. A counter (401) generates two logical signals G1 (402) and G2 (403) which are passed to an exclusive-OR gate (404) and a multiplexer (406). When a control signal (411) is deasserted, multiplexer (406) passes signal G1 to I1 and signal G2 to I2; when control signal (411) is asserted, multiplexer (406) passes binary signal G1 to I2 (410) and signal G2 to I1 (407). Similarly, multiplexer (405) swaps its input real and imaginary samples when the output of exclusive-OR gate (404) is asserted; otherwise, it performs no operation on its input samples. Signals I1 (407) and I2 (410) are used to control arithmetic inverters (408) and (409) respectively. When the controlling signal for either inverter is asserted, the inverter performs arithmetic inversion, otherwise it performs no operation.

公开(公告)号：BR9815691A

公开(公告)日：2000-12-05

申请号：BR9815691

申请日：1998-11-24

Applicant: MOTOROLA INC

Inventor： STEWART KENNETH A ,  GHOSH AMITAVA

IPC: H04B7/26 ,  H04J11/00 ,  H04J13/00 ,  H04W64/00 ,  H04Q7/38

Abstract: A Dedicated Physical Location Channel (DPLCH) is utilized by a mobile station (913) to support subscriber location functions. The DPLCH is spread by an Orthogonal Variable Spreading Factor (OVSF) code CL (502) of length 256 which is distinct from those OVSF codes assigned to other channels utilized by the mobile station (913). When a power-up function (PUF) is received by the mobile station (913), the DPLCH sub-channel amplitude is then modified relative to the other channels being utilized by the mobile station (913) using gain module GL (503) prior to combination (504) with the other channels.

公开(公告)号：BR9907845A

公开(公告)日：2000-10-24

申请号：BR9907845

申请日：1999-01-22

Applicant: MOTOROLA INC

Inventor： STEWART KENNETH A ,  GARG SANJEEV

IPC: H04L1/00 ,  H04B1/7075 ,  H04B1/7077 ,  H04B1/7115 ,  H04B7/005 ,  H04B7/26 ,  H04J3/06

Abstract: A call setup process (200) has a fast and robust preamble signal acquisition and acknowledgement procedure (400). The procedure (400) is a multistage search technique for first identifying with high probability the preamble signal and for verifying signal acquisition. The procedure (400) further includes power control (408/426/428) and rate determination (430) capability for enhanced call setup processing.

公开(公告)号：AU3073497A

公开(公告)日：1998-02-20

申请号：AU3073497

申请日：1997-05-21

Applicant: MOTOROLA INC

Inventor： SEXTON THOMAS A ,  LING FUYUN ,  STEWART KENNETH A

IPC: H04L27/01 ,  H04B1/7085 ,  H04L7/00 ,  H04L7/033 ,  H04L7/10 ,  H04L27/22 ,  H04Q7/38 ,  H04B3/04

Abstract: The method includes acquiring a signal (501); inputting (502), at a first time, a received symbol to a demodulator having a plurality of outputs to produce a set of early outputs; inputting (504), at a second time, the received symbol to the demodulator to produce a set of on-time outputs; inputting (505), at a third time, the received symbol to the demodulator to produce a set of late outputs; and comparing (506) at least one output in the set of early outputs with at least one output in the set of late outputs to produce a timing measure.