公开(公告)号：AT456879T

公开(公告)日：2010-02-15

申请号：AT03721932

申请日：2003-04-29

Applicant: MOTOROLA INC

Inventor： LUZ YUDA ,  CHEN JIANGNAN JASON ,  ZHOU PHILIP

IPC: H03F3/38 ,  H03F3/68 ,  H03F3/24 ,  H03F3/60 ,  H04B1/04

Abstract: A base station subsystem includes at least one transmit branch having a forward path that includes a signal processing unit coupled at an input to an input Fourier Transform Matrix (FTM) and at an output to an output FTM. The transmit branch further includes two error compensation loops, an inner feedback loop and an outer feedback loop. The inner feedback loop provides error compensation for error introduced by the signal processing section to a signal input to the transmit branch. The outer loop provides error compensation for all residual error introduced into the signal when routed through the transmit branch forward path after error compensation may be performed by the inner feedback loop.

公开(公告)号：DE60331140D1

公开(公告)日：2010-03-18

申请号：DE60331140

申请日：2003-04-29

Applicant: MOTOROLA INC

Inventor： LUZ YUDA ,  CHEN JIANGNAN JASON ,  ZHOU PHILIP

IPC: H03F3/38 ,  H03F3/68 ,  H03F3/24 ,  H03F3/60 ,  H04B1/04

Abstract: A base station subsystem includes at least one transmit branch having a forward path that includes a signal processing unit coupled at an input to an input Fourier Transform Matrix (FTM) and at an output to an output FTM. The transmit branch further includes two error compensation loops, an inner feedback loop and an outer feedback loop. The inner feedback loop provides error compensation for error introduced by the signal processing section to a signal input to the transmit branch. The outer loop provides error compensation for all residual error introduced into the signal when routed through the transmit branch forward path after error compensation may be performed by the inner feedback loop.

公开(公告)号：ES2309391T3

公开(公告)日：2008-12-16

申请号：ES03800214

申请日：2003-12-23

Applicant: MOTOROLA INC

Inventor： FRANK COLIN ,  LUZ YUDA ,  CHEN JASON JIANGNAN ,  TOUVANNAS JOHN

IPC: H04B7/14 ,  H01Q1/24 ,  H01Q3/40 ,  H01Q25/00 ,  H04B1/02

Abstract: Sistema (50, 60), que comprende: una antena (34, 71, 72); un primer circuito (51, 55, 61, 65) que puede hacerse funcionar para proporcionar una primera señal a dicha antena; un segundo circuito (52, 56, 63, 67) que puede hacerse funcionar para proporcionar una segunda señal a dicha antena, estando la segunda señal desfasada en frecuencia con respecto a la primera señal; y en el que dicha antena puede hacerse funcionar para transmitir un primer haz correspondiente a la primera señal con una primera polarización, dicha antena puede hacerse funcionar además para transmitir un segundo haz correspondiente a la segunda señal con una segunda polarización que es ortogonal a la primera polarización, y en el que dicho segundo haz solapado parcialmente se solapa al primer haz y está desfasado en frecuencia con respecto al primer haz para minimizar de ese modo la formación de puntos nulos en el primer haz y el segundo haz.

公开(公告)号：DE60323540D1

公开(公告)日：2008-10-23

申请号：DE60323540

申请日：2003-12-23

Applicant: MOTOROLA INC

Inventor： FRANK COLIN ,  LUZ YUDA ,  CHEN JASON JIANGNAN ,  TOUVANNAS JOHN

IPC: H04B7/14 ,  H01Q1/24 ,  H01Q3/40 ,  H01Q25/00 ,  H04B1/02

Abstract: A wireless system, which minimizes nulls within the wireless system, while simultaneously providing diversity. A wireless system will now have increased capacity and coverage due to an enhanced signal to interference ratio in the areas of beam overlap. The system uses time or frequency offset on the signals input to an antenna to minimize interference in the regions of beam overlap. Additionally, polarization diversity can be introduced using Butler Matrices in conjunction with array elements to enhance the interference reduction.

公开(公告)号：AT408277T

公开(公告)日：2008-09-15

申请号：AT03800214

申请日：2003-12-23

Applicant: MOTOROLA INC

Inventor： FRANK COLIN ,  LUZ YUDA ,  CHEN JASON JIANGNAN ,  TOUVANNAS JOHN

IPC: H04B7/14 ,  H01Q1/24 ,  H01Q3/40 ,  H01Q25/00 ,  H04B1/02

Abstract: A wireless system, which minimizes nulls within the wireless system, while simultaneously providing diversity. A wireless system will now have increased capacity and coverage due to an enhanced signal to interference ratio in the areas of beam overlap. The system uses time or frequency offset on the signals input to an antenna to minimize interference in the regions of beam overlap. Additionally, polarization diversity can be introduced using Butler Matrices in conjunction with array elements to enhance the interference reduction.

公开(公告)号：AU2003225216A1

公开(公告)日：2003-12-02

申请号：AU2003225216

申请日：2003-04-29

Applicant: MOTOROLA INC

Inventor： ZHOU PHILIP ,  LUZ YUDA ,  CHEN JIANGNAN JASON

IPC: H03F3/68 ,  H03F3/24 ,  H03F3/60 ,  H04B1/04 ,  H03F3/38

Abstract: A base station subsystem includes at least one transmit branch having a forward path that includes a signal processing unit coupled at an input to an input Fourier Transform Matrix (FTM) and at an output to an output FTM. The transmit branch further includes two error compensation loops, an inner feedback loop and an outer feedback loop. The inner feedback loop provides error compensation for error introduced by the signal processing section to a signal input to the transmit branch. The outer loop provides error compensation for all residual error introduced into the signal when routed through the transmit branch forward path after error compensation may be performed by the inner feedback loop.

公开(公告)号：AU2003299947A8

公开(公告)日：2004-07-29

申请号：AU2003299947

申请日：2003-12-23

Applicant: MOTOROLA INC

Inventor： FRANK COLIN ,  TOUVANNAS JOHN ,  LUZ YUDA ,  CHEN JASON JIANGNAN

IPC: H01Q1/24 ,  H01Q3/40 ,  H01Q25/00 ,  H04B7/14 ,  H04B1/02

Abstract: A wireless system, which minimizes nulls within the wireless system, while simultaneously providing diversity. A wireless system will now have increased capacity and coverage due to an enhanced signal to interference ratio in the areas of beam overlap. The system uses time or frequency offset on the signals input to an antenna to minimize interference in the regions of beam overlap. Additionally, polarization diversity can be introduced using Butler Matrices in conjunction with array elements to enhance the interference reduction.

公开(公告)号：AU2003299947A1

公开(公告)日：2004-07-29

申请号：AU2003299947

申请日：2003-12-23

Applicant: MOTOROLA INC

Inventor： CHEN JASON JIANGNAN ,  TOUVANNAS JOHN ,  FRANK COLIN ,  LUZ YUDA

IPC: H01Q1/24 ,  H01Q3/40 ,  H01Q25/00

Abstract: A wireless system, which minimizes nulls within the wireless system, while simultaneously providing diversity. A wireless system will now have increased capacity and coverage due to an enhanced signal to interference ratio in the areas of beam overlap. The system uses time or frequency offset on the signals input to an antenna to minimize interference in the regions of beam overlap. Additionally, polarization diversity can be introduced using Butler Matrices in conjunction with array elements to enhance the interference reduction.

公开(公告)号：AU2003220367A1

公开(公告)日：2003-10-27

申请号：AU2003220367

申请日：2003-03-12

Applicant: MOTOROLA INC

Inventor： LUZ YUDA ,  ROTSTEIN RON ,  CROCKER RONALD T

IPC: H04B7/005 ,  H04B1/707

Abstract: Methods and systems are provided for transmission power control in a multiple access communication system, providing power ramping of a noise floor power level in advance of a high data rate transmission, at a comparatively higher power level, by a mobile station. The preferred method includes receiving a request at a base transceiver station (BTS) for a data transmission by a first mobile station of a plurality of mobile stations (300), the data transmission to have a predetermined data transmission power level; measuring a noise floor power level (305); and comparing the measured noise floor power level to the predetermined data transmission power level (310). When the measured noise floor power level is less than the predetermined data transmission power level, the BTS schedules the data transmission from the first mobile station to occur following the power ramping of the noise floor, and directs the plurality of mobile stations to incrementally increase their transmit power levels to ramp the noise floor power level. Other methodologies to ramp the noise floor power level include injecting analog or simulated noise into the receive path of BTS, or directing the mobile station to transmit meaningless data at increasing power levels prior to transmission of requested data.

公开(公告)号：WO2004062177A3

公开(公告)日：2004-12-09

申请号：PCT/US0341319

申请日：2003-12-23

Applicant: MOTOROLA INC

Inventor： FRANK COLIN ,  LUZ YUDA ,  CHEN JASON JIANGNAN ,  TOUVANNAS JOHN

IPC: H01Q1/24 ,  H01Q3/40 ,  H01Q25/00 ,  H04B7/14 ,  H04B1/02

CPC classification number: H01Q1/246 ,  H01Q3/40 ,  H01Q25/00

Abstract: A wireless system (30) minimizes nulls within the wireless system while simultaneously providing diversity. The system uses time or frequency offset on signals input to an antenna (40, 50, 60, 100) to minimize interference in regions of beam overlap. Additionally, polarization diversity can be introduced using Butler Matrices (69, 70) in conjunction with array elements (102-128) to enhance the interference reduction. As a result, the wireless system has increased capacity and coverage due to an enhanced signal to interference ratio in the areas of beam overlap (O1-O3).

Abstract translation: 无线系统（30）最小化无线系统内的空值，同时提供分集。 该系统对输入到天线（40,50,60,100）的信号使用时间或频率偏移来最小化波束重叠区域中的干扰。 另外，可以使用Butler矩阵（69,70）与阵列元件（102-128）一起引入极化分集，以增强干扰减小。 结果，无线系统由于在光束重叠（O1-O3）的区域中的增强的信号与干扰比而具有增加的容量和覆盖。