公开(公告)号：JP2002044718A

公开(公告)日：2002-02-08

申请号：JP2001169754

申请日：2001-06-05

Applicant: LUCENT TECHNOLOGIES INC

Inventor： AVIDOR DAN ,  MUKHERJEE SAYANDEV ,  RYOO JEONG-DONG

IPC: H04B7/26 ,  H04L12/56 ,  H04W4/00 ,  H04W16/04 ,  H04W16/14 ,  H04W24/00 ,  H04W72/04 ,  H04W72/06 ,  H04W72/10 ,  H04Q7/36

Abstract: PROBLEM TO BE SOLVED: To provide a wireless communication system capable of assigning channels to every communication request efficiently without adjustments between the cells. SOLUTION: A priority list of a channel group is created for every cell without adjustments between the cells, or for a sector when every cell is sectorized with using a directional antennal, a channel assignment is processed efficiently by selecting channels to be assigned responding to service requests among the highest priority group having usable channels at the time of requests. The list is created based on the various interference measurements. The list tends to stay the same for relatively a long period. But the list should be re- decided periodically to ensure the use of the most suitable list. For example, the list should be changed according to a new configuration exerting effect on interference in a system or according to seasonal vegetational changes.

公开(公告)号：JPH11331068A

公开(公告)日：1999-11-30

申请号：JP32558198

申请日：1998-11-16

Applicant: LUCENT TECHNOLOGIES INC

Inventor： GITLIN RICHARD DENNIS ,  KASTURIA SANJAY ,  MUKHERJEE SAYANDEV

IPC: H04B1/38 ,  H04B7/26 ,  H04M1/60 ,  H04M1/725 ,  H04M3/56

Abstract: PROBLEM TO BE SOLVED: To prevent the background noise picked up in conference service from being transmitted to another conference participant by outputting a prescribed signal to a base station, which receives a control message generated in response to a muting request, in place of a signal received from a wireless station later. SOLUTION: When a user is to operate a mute button at the wireless station, the wireless station reports such a state to the base station. The base station uses the prescribed signal such as a signal expressing silence, for example, in place of the signal received during channel/time slot allocated to the muted wireless station. Namely, when the control message shows the start of a mute state, a channel decoder 430 at the base station sets a bad frame indicator(BFI) to a prescribed value and supplies the value to a voice decoder 420. Then, the voice decoder 420 is instructed to output the decoded voice characterizing silence to a transcoder 410.

公开(公告)号：DE602006000095D1

公开(公告)日：2007-10-18

申请号：DE602006000095

申请日：2006-02-10

Applicant: LUCENT TECHNOLOGIES INC

Inventor： LEUNG KIN K ,  MUKHERJEE SAYANDEV ,  RITTENHOUSE GEROGE E

IPC: H04W36/12

Abstract: In the method of supporting mobility in wireless networks, a message is received in accordance with a wireless communication protocol that does not specify a message for mobility support. However, the received message is interpreted as a request for handoff, and at least one message is sent in support of the interpreted handoff request.

公开(公告)号：AU5411401A

公开(公告)日：2002-01-03

申请号：AU5411401

申请日：2001-06-28

Applicant: LUCENT TECHNOLOGIES INC

Inventor： AVIDOR DAN ,  RYOO JEONG-DONG ,  MUKHERJEE SAYANDEV

IPC: H04B7/26 ,  H04L12/56 ,  H04W4/00 ,  H04W16/04 ,  H04W16/14 ,  H04W24/00 ,  H04W72/04 ,  H04W72/06 ,  H04W72/10 ,  H04Q7/22

Abstract: Without intercell coordination on a per communication request basis, channel assignment can be efficiently performed by developing for each cell, or a sector thereof when the cells are sectorized using directional antennas, a priority list of groups of channels, and selecting a channel to be assigned in response to a request for service from the highest priority group which has available channels at the time of the service request. The priority lists are developed based on various interference measurements that are made. The priority lists tend to remain the same for relatively long periods of time. However, periodically, the priority lists should be redetermined to insure that the best lists are being employed. For example the lists may need to be changed due to new construction or to seasonal vegetation changes, which may affect the interference experienced in the system.

公开(公告)号：BR0102489A

公开(公告)日：2002-04-30

申请号：BR0102489

申请日：2001-06-22

Applicant: LUCENT TECHNOLOGIES INC

Inventor： AVIDOR DAN ,  MUKHERJEE SAYANDEV ,  RYOO JEONG-DONG

IPC: H04B7/26 ,  H04L12/56 ,  H04W4/00 ,  H04W16/04 ,  H04W16/14 ,  H04W24/00 ,  H04W72/04 ,  H04W72/06 ,  H04W72/10 ,  H04Q7/36

Abstract: Without intercell coordination on a per communication request basis, channel assignment can be efficiently performed by developing for each cell, or a sector thereof when the cells are sectorized using directional antennas, a priority list of groups of channels, and selecting a channel to be assigned in response to a request for service from the highest priority group which has available channels at the time of the service request. The priority lists are developed based on various interference measurements that are made. The priority lists tend to remain the same for relatively long periods of time. However, periodically, the priority lists should be redetermined to insure that the best lists are being employed. For example the lists may need to be changed due to new construction or to seasonal vegetation changes, which may affect the interference experienced in the system.

公开(公告)号：CA2345169A1

公开(公告)日：2001-12-30

申请号：CA2345169

申请日：2001-04-25

Applicant: LUCENT TECHNOLOGIES INC

Inventor： AVIDOR DAN ,  MUKHERJEE SAYANDEV ,  RYOO JEONG-DONG

IPC: H04B7/26 ,  H04L12/56 ,  H04W4/00 ,  H04W16/04 ,  H04W16/14 ,  H04W24/00 ,  H04W72/04 ,  H04W72/06 ,  H04W72/10 ,  H04Q7/36

Abstract: Without intercell coordination on a per communication request basis, chann el assignment can be efficiently performed by developing for each cell, or a sector thereof when the cells are sectorized using directional antennas, a priority list of groups of channels, and selecting a channel to be assigned in response to a request fo r service from the highest priority group which has available channels at the time of the service request. The priority lists are developed based on various interference measurements that are made. The priority lists tend to remain the same for relatively long periods of time. However, periodically, the priority lists should be redetermined to insure that the best lists are being employed. For example the lists may need to be changed due t o new construction or to seasonal vegetation changes, which may affect the interference experienced in the system. Advantageously, system capacity under peak concentrated load conditions may increase. This advantage is further magnified under fiel d conditions for which the cell shapes are not ideal.

公开(公告)号：DE602006000095T2

公开(公告)日：2008-06-05

申请号：DE602006000095

申请日：2006-02-10

Applicant: LUCENT TECHNOLOGIES INC

Inventor： LEUNG KIN K ,  MUKHERJEE SAYANDEV ,  RITTENHOUSE GEROGE E

IPC: H04W36/12

Abstract: In the method of supporting mobility in wireless networks, a message is received in accordance with a wireless communication protocol that does not specify a message for mobility support. However, the received message is interpreted as a request for handoff, and at least one message is sent in support of the interpreted handoff request.

公开(公告)号：CA2251566C

公开(公告)日：2003-01-21

申请号：CA2251566

申请日：1998-10-27

Applicant: LUCENT TECHNOLOGIES INC

Inventor： MUKHERJEE SAYANDEV ,  GITLIN RICHARD DENNIS ,  KASTURIA SANJAY

IPC: H04B1/38 ,  H04B7/26 ,  H04M1/60 ,  H04M1/725 ,  H04M3/56 ,  H04Q7/32 ,  H04M1/19 ,  H04Q7/20 ,  H04Q7/30

Abstract: A facility is provided in wireless communications system which causes a base station to substitute predetermined signals for speech and/or noise signals that are received from a wireless station that has entered a muting request, in which the predetermined signals, may be, for example, silence.

公开(公告)号：CA2251566A1

公开(公告)日：1999-05-20

申请号：CA2251566

申请日：1998-10-27

Applicant: LUCENT TECHNOLOGIES INC

Inventor： KASTURIA SANJAY ,  MUKHERJEE SAYANDEV ,  GITLIN RICHARD DENNIS

IPC: H04B1/38 ,  H04B7/26 ,  H04M1/60 ,  H04M1/725 ,  H04M3/56 ,  H04Q7/32 ,  H04M1/19 ,  H04Q7/20 ,  H04Q7/30

Abstract: A facility is provided in wireless communications system which causes a base station to substitute predetermined signals for speech and/or noise signals that are received from a wireless station that has entered a muting request, in which the predetermined signals, may be, for example, silence.