GB9201879D0 - Communication system - Google Patents

Communication system

Info

Publication number
GB9201879D0
GB9201879D0 GB9201879A GB9201879A GB9201879D0 GB 9201879 D0 GB9201879 D0 GB 9201879D0 GB 9201879 A GB9201879 A GB 9201879A GB 9201879 A GB9201879 A GB 9201879A GB 9201879 D0 GB9201879 D0 GB 9201879D0
Authority
GB
United Kingdom
Prior art keywords
communication system
communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
GB9201879A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MILLICOM HOLDINGS UK Ltd
Original Assignee
MILLICOM HOLDINGS UK Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MILLICOM HOLDINGS UK Ltd filed Critical MILLICOM HOLDINGS UK Ltd
Priority to GB9201879A priority Critical patent/GB9201879D0/en
Publication of GB9201879D0 publication Critical patent/GB9201879D0/en
Priority to EP93914502A priority patent/EP0624293A1/en
Priority to PCT/GB1993/000199 priority patent/WO1993015573A1/en
Pending legal-status Critical Current

Links

GB9201879A 1992-01-29 1992-01-29 Communication system Pending GB9201879D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9201879A GB9201879D0 (en) 1992-01-29 1992-01-29 Communication system
EP93914502A EP0624293A1 (en) 1992-01-29 1993-01-29 Cdma/tdma communication system
PCT/GB1993/000199 WO1993015573A1 (en) 1992-01-29 1993-01-29 Cdma/tdma communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9201879A GB9201879D0 (en) 1992-01-29 1992-01-29 Communication system

Publications (1)

Publication Number Publication Date
GB9201879D0 true GB9201879D0 (en) 1992-03-18

Family

ID=10709454

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9201879A Pending GB9201879D0 (en) 1992-01-29 1992-01-29 Communication system

Country Status (3)

Country Link
EP (1) EP0624293A1 (en)
GB (1) GB9201879D0 (en)
WO (1) WO1993015573A1 (en)

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US6018528A (en) * 1994-04-28 2000-01-25 At&T Corp System and method for optimizing spectral efficiency using time-frequency-code slicing
FI96154C (en) * 1994-05-30 1996-05-10 Nokia Telecommunications Oy Method for synchronizing subscriber terminals, base station and subscriber terminal
GB2297460B (en) * 1995-01-28 1999-05-26 Motorola Ltd Communications system and a method therefor
US6356607B1 (en) 1995-06-05 2002-03-12 Omnipoint Corporation Preamble code structure and detection method and apparatus
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US6041046A (en) * 1995-07-14 2000-03-21 Omnipoint Corporation Cyclic time hopping in time division multiple access communication system
US5793757A (en) * 1996-02-13 1998-08-11 Telefonaktiebolaget L M Ericsson (Publ) Telecommunication network having time orthogonal wideband and narrowband sytems
US5850392A (en) * 1996-04-10 1998-12-15 Ericsson Inc. Spread spectrum random access systems and methods for time division multiple access radiotelephone communication systems
US6678311B2 (en) 1996-05-28 2004-01-13 Qualcomm Incorporated High data CDMA wireless communication system using variable sized channel codes
JPH1051354A (en) * 1996-05-30 1998-02-20 N T T Ido Tsushinmo Kk Ds-cdma transmission method
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US6002709A (en) * 1996-11-21 1999-12-14 Dsp Group, Inc. Verification of PN synchronization in a direct-sequence spread-spectrum digital communications system
US6018556A (en) * 1996-11-21 2000-01-25 Dsp Group, Inc. Programmable loop filter for carrier recovery in a radio receiver
US6263013B1 (en) 1996-11-21 2001-07-17 Dsp Group, Inc. Fast tracking of PN synchronization in a direct-sequence spread-spectrum digital communications system
US6256335B1 (en) 1996-11-21 2001-07-03 Dsp Group, Inc. Slow tracking of PN synchronization in a direct-sequence spread-spectrum digital communications system
US6275519B1 (en) 1996-11-21 2001-08-14 Dsp Group, Inc. Frame synchronization in a digital communications system
US6256337B1 (en) 1996-11-21 2001-07-03 Dsp Group, Inc. Rapid acquisition of PN synchronization in a direct-sequence spread-spectrum digital communications system
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DE19713667C1 (en) * 1997-04-02 1998-10-01 Siemens Ag Base station and receiving device for a mobile communication system with TDMA subscriber separation
DE69734190T2 (en) * 1997-05-02 2006-06-29 Siemens Ag TDMA / CDMA communication system with adjustable data rate
US6081536A (en) 1997-06-20 2000-06-27 Tantivy Communications, Inc. Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link
US6542481B2 (en) 1998-06-01 2003-04-01 Tantivy Communications, Inc. Dynamic bandwidth allocation for multiple access communication using session queues
US5991330A (en) * 1997-06-27 1999-11-23 Telefonaktiebolaget L M Ericsson (Pub1) Mobile Station synchronization within a spread spectrum communication systems
KR100259839B1 (en) * 1997-06-30 2000-06-15 윤종용 Forward power control method using erasure indicator bit
US5930366A (en) * 1997-08-29 1999-07-27 Telefonaktiebolaget L M Ericsson Synchronization to a base station and code acquisition within a spread spectrum communication system
US6236646B1 (en) * 1997-09-09 2001-05-22 Telefonaktiebolaget Lm Ericsson (Publ) Packet data communications scheduling in a spread spectrum communications system
US7394791B2 (en) 1997-12-17 2008-07-01 Interdigital Technology Corporation Multi-detection of heartbeat to reduce error probability
US7079523B2 (en) * 2000-02-07 2006-07-18 Ipr Licensing, Inc. Maintenance link using active/standby request channels
US9525923B2 (en) 1997-12-17 2016-12-20 Intel Corporation Multi-detection of heartbeat to reduce error probability
DE59911784D1 (en) * 1998-03-31 2005-04-28 Siemens Ag Method for the wireless transmission of speech signal data and general data and terminal equipment for implementing such a method
DE19822276A1 (en) * 1998-05-18 1999-12-09 Siemens Ag Method and base station for signal transmission in an organizational channel of a radio communication system
CN1068745C (en) * 1998-07-17 2001-07-18 中国人民解放军信息工程学院 Shared time-division pilot synchronous orthogonal code division multiple access channel structure
EP1112642A2 (en) 1998-09-11 2001-07-04 Sharewave, Inc. Method and apparatus for controlling communication within a computer network
JP3093740B2 (en) * 1998-12-09 2000-10-03 日本電気株式会社 Radio channel multiplex communication system in CDMA mobile communication system
AU3673001A (en) 2000-02-07 2001-08-14 Tantivy Communications, Inc. Minimal maintenance link to support synchronization
US7173921B1 (en) 2000-10-11 2007-02-06 Aperto Networks, Inc. Protocol for allocating upstream slots over a link in a point-to-multipoint communication system
US8155096B1 (en) 2000-12-01 2012-04-10 Ipr Licensing Inc. Antenna control system and method
US7551663B1 (en) 2001-02-01 2009-06-23 Ipr Licensing, Inc. Use of correlation combination to achieve channel detection
US6996082B2 (en) 2001-05-14 2006-02-07 Interdigital Technology Corporation Method and apparatus for minimizing the amount of data necessary to signal code and timeslot assignments
US6973064B2 (en) 2001-05-14 2005-12-06 Interdigital Technology Corporation Method and apparatus for minimizing the amount of data necessary to signal code and timeslot assignments
CN101656568B (en) * 2001-05-14 2013-01-30 美商内数位科技公司 User equipment for wireless hybrid TDMA/CDMA
KR100394784B1 (en) * 2001-06-12 2003-08-19 주식회사 카서 Wireless communication method and wireless-phone using hybrid-division multiple access
SG185139A1 (en) 2001-06-13 2012-11-29 Ipr Licensing Inc Transmittal of heartbeat signal at a lower level than heartbeat request
DE60215192T2 (en) * 2001-08-10 2007-08-23 Interdigital Technology Corp., Wilmington DYNAMIC ROUTE ADJUSTMENT FOR TIME DUPLEX (TDD)
US6985457B2 (en) 2001-08-10 2006-01-10 Interdigital Technology Corp. Dynamic link adaption for time division duplex (TDD)
US7068618B2 (en) 2001-08-10 2006-06-27 Interdigital Technology Corp. Dynamic link adaption for time division duplex (TDD)
CN100486144C (en) * 2003-04-15 2009-05-06 大唐移动通信设备有限公司 Method of raising transmission speed in multi-slot CDMA radio communication system
US20080186859A1 (en) 2007-02-06 2008-08-07 Viasat, Inc. Code multiplexed requests for controlling access to a shared communication medium
US8982825B2 (en) * 2013-03-13 2015-03-17 Motorola Solutions, Inc. Method and device to support site activation using a hailing channel

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DE3527329A1 (en) * 1985-07-31 1987-02-05 Philips Patentverwaltung DIGITAL RADIO TRANSMISSION SYSTEM WITH VARIABLE TIME SLOT DURATION OF TIME SLOTS IN TIME MULTIPLEX FRAME
DE3527331A1 (en) * 1985-07-31 1987-02-05 Philips Patentverwaltung DIGITAL RADIO TRANSMISSION SYSTEM
EP0538546B1 (en) * 1986-03-25 2004-06-23 Motorola Inc. Method and apparatus for controlling a TDM communication device

Also Published As

Publication number Publication date
EP0624293A1 (en) 1994-11-17
WO1993015573A1 (en) 1993-08-05

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