公开(公告)号：JP2002124841A

公开(公告)日：2002-04-26

申请号：JP2001253936

申请日：2001-08-24

Applicant: LUCENT TECHNOLOGIES INC

Inventor： GHANADAN REZA ,  KONSTANTINOU KYRIAKI ,  PATEL MOHAN ,  TRIOLO ANTHONY A ,  ZIESSE NORMAN GERARD

IPC: H03F3/68 ,  H03F3/60

Abstract: PROBLEM TO BE SOLVED: To provide a more effective structure of a power amplifier. SOLUTION: In a power amplifier system, a signal is adaptively distributed by the structure of an amplifier comprising amplifiers disposed in parallel. For example, the power amplifier system adjusts the operation of each amplifier within the structure of the amplifier, and for example, a power process function of the amplifier is decreased based on the information of a signal to be amplified by the structure of the amplifier, for example, a power level. By utilizing this adjusted operation of the amplifier, the power amplifier system uses a variable power divider for redistributing the input signal power to a plurality of amplifiers; and at least one variable coupler for combining an amplified signal from the amplifier in conformity to conditions when changing a division rate. Thus, the power amplifier system can be reconstituted corresponding to the change in order to improve the performance and/or efficiency.

公开(公告)号：JP2000269723A

公开(公告)日：2000-09-29

申请号：JP2000023456

申请日：2000-02-01

Applicant: LUCENT TECHNOLOGIES INC

Inventor： DRABECK LAWRENCE M ,  HAMPEL KARL GEORG ,  MANKIEWICH PAUL MATTHEW ,  POLAKOS PAUL ANTHONY ,  RAJKUMAR AJAY ,  TRIOLO ANTHONY A ,  ZIESSE NORMAN GERARD

IPC: H01Q1/24 ,  H01Q3/04 ,  H01Q3/26 ,  H04B7/10 ,  H04B7/26 ,  H04W16/28

Abstract: PROBLEM TO BE SOLVED: To provide a method for adjusting the down-tilt angle of a radio communication system antenna. SOLUTION: Plural cells 1, 2, etc., include cell sites CS1, CS2, etc., respectively. A mobile switching center(MSC) 200 communicates with cell sites CS1, CS2, etc., and local switching networks. Each of cell sites CS1, CS2, etc., includes at least one electrically controllable antenna module, a support unit, a base station BS, and at least one down-tilt controller DC. The controllable antenna module is attached on the support unit. The base station BS communicates with MSC 200 by a high-frequency (RF) signal to/from the antenna module. The down-tilt controller DC communicates with the base station and the MSC 200 (more precisely MDCU 202) for controlling the down-tilt angle of the antenna module.

公开(公告)号：DE60112857T2

公开(公告)日：2006-06-08

申请号：DE60112857

申请日：2001-03-05

Applicant: LUCENT TECHNOLOGIES INC

Inventor： GHANADAN REZA ,  KONSTANTINOU KYRIAKI ,  PATEL MOHAN ,  TRIOLO ANTHONY A ,  ZIESSE NORMAN GERARD

IPC: H03F3/60 ,  H03F3/68

Abstract: A power amplifier system (40) uses adaptive distribution of signals through an amplifier architecture of parallel amplifier stages (26 a-d). For example, the power amplifier system can adjust the operation of individual amplifier stages in the amplifier arrangement, for example to reduce power handling capability of the amplifier stages based on information of the signal to be amplified by the amplifier arrangement, such as the power level. To take advantage of the adjusted operation of the amplifier stages, the power amplifier system uses a variable power divider (48) to reapportion the input signal power among the amplifier stages and at least one variable combiner (50) to adaptively combine amplified signals from the amplifier stages in changing proportions. As such, the power amplifier system is reconfigurable and/or can adapt to changing conditions to provide improved performance and/or efficiency.

公开(公告)号：ID27123A

公开(公告)日：2001-03-01

申请号：ID20000072

申请日：2000-02-01

Applicant: LUCENT TECHNOLOGIES INC

Inventor： DRABECK LAWRENCE MILTON ,  HAMPEL KARL GEORG ,  MANKIEWICH PAUL MATTHEW ,  POLAKOS PAUL ANTHONY ,  RAJKUMAR AJAY ,  TRIOLO ANTHONY A ,  ZIESSE NORMAN GERARD

IPC: H01Q1/24 ,  H01Q3/04 ,  H01Q3/26 ,  H04B7/10 ,  H04B7/26 ,  H04W16/28 ,  H04Q7/00

Abstract: The wireless communication system includes antennas having electrically controllable downtilt angles and downtilt controllers associated with each antenna. The downtilt controllers receive instructions from a main controller, and adjust the downtilt angles of the associated antennas in accordance with the received instructions.

公开(公告)号：DE60112857D1

公开(公告)日：2005-09-29

申请号：DE60112857

申请日：2001-03-05

Applicant: LUCENT TECHNOLOGIES INC

Inventor： GHANADAN REZA ,  KONSTANTINOU KYRIAKI ,  PATEL MOHAN ,  TRIOLO ANTHONY A ,  ZIESSE NORMAN GERARD

IPC: H03F3/68 ,  H03F3/60

Abstract: A power amplifier system (40) uses adaptive distribution of signals through an amplifier architecture of parallel amplifier stages (26 a-d). For example, the power amplifier system can adjust the operation of individual amplifier stages in the amplifier arrangement, for example to reduce power handling capability of the amplifier stages based on information of the signal to be amplified by the amplifier arrangement, such as the power level. To take advantage of the adjusted operation of the amplifier stages, the power amplifier system uses a variable power divider (48) to reapportion the input signal power among the amplifier stages and at least one variable combiner (50) to adaptively combine amplified signals from the amplifier stages in changing proportions. As such, the power amplifier system is reconfigurable and/or can adapt to changing conditions to provide improved performance and/or efficiency.

公开(公告)号：CA2296988C

公开(公告)日：2003-03-18

申请号：CA2296988

申请日：2000-01-18

Applicant: LUCENT TECHNOLOGIES INC

Inventor： RAJKUMAR AJAY ,  POLAKOS PAUL ANTHONY ,  DRABECK LAWRENCE MILTON ,  HAMPEL KARL GEORG ,  MANKIEWICH PAUL MATTHEW ,  TRIOLO ANTHONY A ,  ZIESSE NORMAN GERARD

IPC: H01Q1/24 ,  H01Q3/04 ,  H01Q3/26 ,  H04B7/10 ,  H04B7/26 ,  H04W16/28 ,  H01Q21/24 ,  H01Q1/12

Abstract: The wireless communication system includes antennas having electrically controllable downtilt angles and downtilt controllers associated with each antenna. The downtilt controllers receive instructions from a main controller, and adjust the downtilt angles of the associated antennas in accordance with the received instructions.

公开(公告)号：BR0000293A

公开(公告)日：2000-12-19

申请号：BR0000293

申请日：2000-01-28

Applicant: LUCENT TECHNOLOGIES INC

Inventor： DRABECK LAWRENCE MILTON ,  ZIESSE NORMAN GERARD ,  HAMPEL KARL GEORG ,  MANKIEWICH PAUL MATTHEW ,  POLAKOS PAUL ANTHONY ,  RAJKUMAR AJAY ,  TRIOLO ANTHONY A

IPC: H01Q1/24 ,  H01Q3/04 ,  H01Q3/26 ,  H04B7/10 ,  H04B7/26 ,  H04W16/28 ,  H04Q7/36

Abstract: The wireless communication system includes antennas having electrically controllable downtilt angles and downtilt controllers associated with each antenna. The downtilt controllers receive instructions from a main controller, and adjust the downtilt angles of the associated antennas in accordance with the received instructions.

公开(公告)号：CA2296988A1

公开(公告)日：2000-08-01

申请号：CA2296988

申请日：2000-01-18

Applicant: LUCENT TECHNOLOGIES INC

Inventor： DRABECK LAWRENCE MILTON ,  TRIOLO ANTHONY A ,  RAJKUMAR AJAY ,  HAMPEL KARL GEORG ,  POLAKOS PAUL ANTHONY ,  MANKIEWICH PAUL MATTHEW ,  ZIESSE NORMAN GERARD

IPC: H01Q1/24 ,  H01Q3/04 ,  H01Q3/26 ,  H04B7/10 ,  H04B7/26 ,  H04W16/28 ,  H01Q21/24 ,  H01Q1/12

Abstract: The wireless communication system includes antennas having electrically controllable downtilt angles and downtilt controllers associated with each antenna. The downtilt controllers receive instructions from a main controller, and adjust the downtilt angles of the associated antennas in accordance with the received instructions.