公开(公告)号：DK175770B1

公开(公告)日：2005-02-14

申请号：DK91689

申请日：1989-02-27

Applicant: INTERDIGITAL TECH CORP

Inventor： AVIS GRAHAM M ,  FLETCHER THOMAS EDWARD ,  SAFFEE GREGORY THOMAS

IPC: H04B7/00 ,  H04J3/00 ,  H04J3/06 ,  H04W84/02 ,  H04Q7/38

Abstract: The subscriber communication system includes a base station in a network with a number of subscriber stations, where control information is communicated between the base station and the subscriber stations over a radio control channel (RCC) at a frequency selected by the base station from a number of predetermined frequencies. The a base station transmits control messages including a unique network number over the RCC. Each subscriber station processes the network number in the control message received over the RCC to enable the subscriber station to process the control message in accordance with whether the subscriber station is in the same network as the base station. The timing of communications transmitted by a subscriber station over a given communication channel between a base station and the subscriber station is refined upon initial establishment of the communication channel.

公开(公告)号：SE0400592D0

公开(公告)日：2004-03-10

申请号：SE0400592

申请日：2004-03-10

Applicant: INTERDIGITAL TECH CORP

Inventor： AVIS GRAHAM M ,  COLLINS TERRANCE STEPHEN ,  SCHROEDER MARTIN KEITH ,  KIERNAN BRIAN GREGORY ,  MECHLING JONATHAN WILLIS ,  FLETCHER THOMAS E ,  AVIS WENDELINE R ,  SAFFEE GREGORY T ,  JOHNSON KARLE J

IPC: H04B7/00 ,  H04B7/26 ,  H04L12/56 ,  H04M20060101 ,  H04W24/00 ,  H04W28/06 ,  H04W72/04 ,  H04W74/04 ,  H04W84/08 ,  H04W84/14 ,  H04W88/08 ,  H04W92/02 ,  H04W92/12 ,  H04Q7/20

Abstract: The base station includes a communication circuit for enabling simultaneous communications between a number of ports and a number of the subscriber stations over a given communication channel having multiple sequentially repetitive time slots. An exchange is included to connect the communication circuit to the external communication network ports. A remote-connection process is coupled to the communication circuit by the exchange and by a base-station control channel occupying a selected one of the time slots for monitoring the status of the other time slots. The connection processor causes the communication circuit and the exchange to complete a connection between a given communication network port and a given subscriber station over a time slot assigned in response to the monitored status in accordance with a predetermined assignment routine.

公开(公告)号：SE0400592A

公开(公告)日：2004-03-10

申请号：SE0400592

申请日：2004-03-10

Applicant: INTERDIGITAL TECH CORP

Inventor： AVIS GRAHAM M ,  COLLINS TERRANCE STEPHEN ,  SCHROEDER MARTIN KEITH ,  KIERNAN BRIAN GREGORY ,  MECHLING JONATHAN WILLIS ,  FLETCHER THOMAS E ,  AVIS WENDELINE R ,  SAFFEE GREGORY T ,  JOHNSON KARLE J

IPC: H04B7/00 ,  H04B7/26 ,  H04L12/56 ,  H04M20060101 ,  H04W24/00 ,  H04W28/06 ,  H04W72/04 ,  H04W74/04 ,  H04W84/08 ,  H04W84/14 ,  H04W88/08 ,  H04W92/02 ,  H04W92/12 ,  H04Q7/20

CPC classification number: H04W88/08 ,  H04J3/0691 ,  H04W28/06 ,  H04W72/04 ,  H04W92/12

公开(公告)号：SE0400130L

公开(公告)日：2004-01-23

申请号：SE0400130

申请日：2004-01-23

Applicant: INTERDIGITAL TECH CORP

Inventor： CRITCHLOW DAVID N ,  AVIS GRAHAM M ,  EARLAM SANDRA J K ,  JOHNSON KARLE J ,  SMETANA BRUCE A ,  WESTLING GREGORY L

IPC: H04B7/26 ,  H03D3/00 ,  H03D7/16 ,  H03H17/06 ,  H03L7/095 ,  H04B1/38 ,  H04B1/50 ,  H04B7/005 ,  H04L27/152 ,  H04L27/18 ,  H04L27/22 ,  H04L27/233 ,  H04M1/00 ,  H04M1/253 ,  H04M1/725 ,  H04M11/06 ,  H04Q7/20 ,  H04Q7/38 ,  H04Q7/32 ,  H04M1/03

Abstract: A subscriber unit for a wireless digital telephone system is disclosed. An equalizer for receiving I and Q samples is disclosed which is in the form. The I and Q samples are complex sample pairs provided at a frequency. The equalizer receives a training signal in the form of complex I and Q sample pairs. A training signal is affected by undesirable characteristics that might be present in the I and Q samples. A comparator compares the actual input training signal with the desired output to obtain a set of weighting coefficients for the equalizer to produce the desired output. A frequency correction circuit provides a corrected frequency signal for the frequency of the sample pairs from the weighting coefficients.

公开(公告)号：IE67262B1

公开(公告)日：1996-03-06

申请号：IE383591

申请日：1986-11-18

Applicant: INTERDIGITAL TECH CORP

Inventor： CRITCHLOW DAVID N ,  AVIS GRAHAM M ,  EARLAM SANDRA J K ,  JOHNSON KARLE J ,  SMETANA BRUCE A ,  WESTLING GREGORY L

IPC: H04J20060101 ,  H04J3/12 ,  H04L20060101 ,  H04L27/00 ,  H04L27/20 ,  H04Q7/00

公开(公告)号：SE0400592L

公开(公告)日：2004-03-10

申请号：SE0400592

申请日：2004-03-10

Applicant: INTERDIGITAL TECH CORP

Inventor： AVIS GRAHAM M ,  COLLINS TERRANCE STEPHEN ,  SCHROEDER MARTIN KEITH ,  KIERNAN BRIAN GREGORY ,  MECHLING JONATHAN WILLIS ,  FLETCHER THOMAS E ,  AVIS WENDELINE R ,  SAFFEE GREGORY T ,  JOHNSON KARLE J

IPC: H04B7/00 ,  H04B7/26 ,  H04L12/56 ,  H04M20060101 ,  H04W24/00 ,  H04W28/06 ,  H04W72/04 ,  H04W74/04 ,  H04W84/08 ,  H04W84/14 ,  H04W88/08 ,  H04W92/02 ,  H04W92/12 ,  H04Q7/20

Abstract: The base station includes a communication circuit for enabling simultaneous communications between a number of ports and a number of the subscriber stations over a given communication channel having multiple sequentially repetitive time slots. An exchange is included to connect the communication circuit to the external communication network ports. A remote-connection process is coupled to the communication circuit by the exchange and by a base-station control channel occupying a selected one of the time slots for monitoring the status of the other time slots. The connection processor causes the communication circuit and the exchange to complete a connection between a given communication network port and a given subscriber station over a time slot assigned in response to the monitored status in accordance with a predetermined assignment routine.

公开(公告)号：SE518848C2

公开(公告)日：2002-11-26

申请号：SE9402221

申请日：1994-06-23

Applicant: INTERDIGITAL TECH CORP

Inventor： CRITCHLOW DAVID N ,  AVIS GRAHAM M ,  EARLAM SANDRA J K ,  JOHNSON KARLE J ,  SMETANA BRUCE A ,  WESTLING GREGORY L

IPC: H04B7/26 ,  H03D3/00 ,  H03D7/16 ,  H03H17/06 ,  H03L7/095 ,  H04B1/38 ,  H04B1/50 ,  H04B7/005 ,  H04L27/152 ,  H04L27/18 ,  H04L27/22 ,  H04L27/233 ,  H04M1/00 ,  H04M1/253 ,  H04M1/725 ,  H04M11/06 ,  H04Q7/20 ,  H04Q7/38 ,  H04L27/01

Abstract: A subscriber unit for a wireless digital telephone system is disclosed. An equalizer for receiving I and Q samples is disclosed which is in the form. The I and Q samples are complex sample pairs provided at a frequency. The equalizer receives a training signal in the form of complex I and Q sample pairs. A training signal is affected by undesirable characteristics that might be present in the I and Q samples. A comparator compares the actual input training signal with the desired output to obtain a set of weighting coefficients for the equalizer to produce the desired output. A frequency correction circuit provides a corrected frequency signal for the frequency of the sample pairs from the weighting coefficients.

公开(公告)号：SE9902040D0

公开(公告)日：1999-06-03

申请号：SE9902040

申请日：1999-06-03

Applicant: INTERDIGITAL TECH CORP

Inventor： CRITCHCLOW DAVID N ,  AVIS GRAHAM M ,  EARLAM SANDRA J K ,  JOHNSON KARLE J ,  SMETANA BRUCE A ,  WESTLING GREGORY L

IPC: H04B7/26 ,  H03D3/00 ,  H03D7/16 ,  H03H17/06 ,  H03L7/095 ,  H04B1/38 ,  H04B1/50 ,  H04B7/005 ,  H04L27/152 ,  H04L27/18 ,  H04L27/22 ,  H04L27/233 ,  H04M1/00 ,  H04M1/253 ,  H04M1/725 ,  H04M11/06 ,  H04Q7/20 ,  H04Q7/38 ,  H04L

Abstract: A subscriber unit for a wireless digital telephone system is disclosed. An equalizer for receiving I and Q samples is disclosed which is in the form. The I and Q samples are complex sample pairs provided at a frequency. The equalizer receives a training signal in the form of complex I and Q sample pairs. A training signal is affected by undesirable characteristics that might be present in the I and Q samples. A comparator compares the actual input training signal with the desired output to obtain a set of weighting coefficients for the equalizer to produce the desired output. A frequency correction circuit provides a corrected frequency signal for the frequency of the sample pairs from the weighting coefficients.

公开(公告)号：IE67263B1

公开(公告)日：1996-03-06

申请号：IE383691

申请日：1986-11-18

Applicant: INTERDIGITAL TECH CORP

Inventor： CRITCHLOW DAVID N ,  AVIS GRAHAM M ,  EARLAM SANDRA J K ,  JOHNSON KARLE J ,  SMETANA BRUCE A ,  WESTLING GREGORY L

IPC: H04J20060101 ,  H04J3/12 ,  H04L20060101 ,  H04L27/00 ,  H04L27/20 ,  H04Q7/00

公开(公告)号：HK83494A

公开(公告)日：1994-08-26

申请号：HK83494

申请日：1994-08-18

Applicant: INTERDIGITAL TECH CORP

Inventor： AVIS GRAHAM M ,  COLLINS TERRENCE STEPHEN ,  SCHROEDER MARTIN KEITH ,  KIERNAN BRIAN GREGORY ,  MECHLING JONATHAN WILLIS ,  FLETCHER THOMAS E ,  AVIS WENDELINE R ,  SAFFEE GREGORY T ,  JOHNSON KARLE J

IPC: H04B7/00 ,  H04B7/26 ,  H04L12/56 ,  H04M20060101 ,  H04W24/00 ,  H04W28/06 ,  H04W72/04 ,  H04W74/04 ,  H04W84/08 ,  H04W84/14 ,  H04W88/08 ,  H04W92/02 ,  H04W92/12 ,  H04Q11/04

Abstract: The base station includes a communication circuit for enabling simultaneous communications between a number of ports and a number of the subscriber stations over a given communication channel having multiple sequentially repetitive time slots. An exchange is included to connect the communication circuit to the external communication network ports. A remote-connection process is coupled to the communication circuit by the exchange and by a base-station control channel occupying a selected one of the time slots for monitoring the status of the other time slots. The connection processor causes the communication circuit and the exchange to complete a connection between a given communication network port and a given subscriber station over a time slot assigned in response to the monitored status in accordance with a predetermined assignment routine.