WO1998035463A3 - Method for frequency division duplex communications - Google Patents
Method for frequency division duplex communications Download PDFInfo
- Publication number
- WO1998035463A3 WO1998035463A3 PCT/US1998/002250 US9802250W WO9835463A3 WO 1998035463 A3 WO1998035463 A3 WO 1998035463A3 US 9802250 W US9802250 W US 9802250W WO 9835463 A3 WO9835463 A3 WO 9835463A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- frequency division
- division duplex
- user
- time division
- communications
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/10—Polarisation diversity; Directional diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/023—Multiplexing of multicarrier modulation signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/143—Two-way operation using the same type of signal, i.e. duplex for modulated signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
- H04L5/1484—Two-way operation using the same type of signal, i.e. duplex using time-sharing operating bytewise
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0652—Synchronisation among time division multiple access [TDMA] nodes, e.g. time triggered protocol [TTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98908475A EP0951763B1 (en) | 1997-02-06 | 1998-02-03 | Method for combined fdd, tdd, tdma, ofdm, polarization and spatial diversity communication |
DE69837595T DE69837595T2 (en) | 1997-02-06 | 1998-02-03 | COMMUNICATION PROCESS COMBINED OF FDD, TDD, TDMA, OFDM, POLARIZATION AND SPACE DIVERSITY |
JP53489998A JP3967385B2 (en) | 1997-02-06 | 1998-02-03 | Frequency division duplex communication method |
CA002278852A CA2278852C (en) | 1997-02-06 | 1998-02-03 | Method for frequency division duplex communications |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/796,584 | 1997-02-06 | ||
US08/796,584 US5933421A (en) | 1997-02-06 | 1997-02-06 | Method for frequency division duplex communications |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1998035463A2 WO1998035463A2 (en) | 1998-08-13 |
WO1998035463A3 true WO1998035463A3 (en) | 1999-04-22 |
Family
ID=25168559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1998/002250 WO1998035463A2 (en) | 1997-02-06 | 1998-02-03 | Method for frequency division duplex communications |
Country Status (6)
Country | Link |
---|---|
US (8) | US5933421A (en) |
EP (4) | EP1791288B1 (en) |
JP (1) | JP3967385B2 (en) |
CA (1) | CA2278852C (en) |
DE (2) | DE69837595T2 (en) |
WO (1) | WO1998035463A2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US8693432B2 (en) | 1997-02-06 | 2014-04-08 | At&T Mobility Ii Llc | Method for frequency division duplex communications |
US8891414B2 (en) | 2000-12-15 | 2014-11-18 | Adaptix, Inc. | Multi-carrier communications with adaptive cluster configuration and switching |
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US8891414B2 (en) | 2000-12-15 | 2014-11-18 | Adaptix, Inc. | Multi-carrier communications with adaptive cluster configuration and switching |
US8934375B2 (en) | 2000-12-15 | 2015-01-13 | Adaptix, Inc. | OFDMA with adaptive subcarrier-cluster configuration and selective loading |
US8934445B2 (en) | 2000-12-15 | 2015-01-13 | Adaptix, Inc. | Multi-carrier communications with adaptive cluster configuration and switching |
US8958386B2 (en) | 2000-12-15 | 2015-02-17 | Adaptix, Inc. | Multi-carrier communications with adaptive cluster configuration and switching |
US8964719B2 (en) | 2000-12-15 | 2015-02-24 | Adaptix, Inc. | OFDMA with adaptive subcarrier-cluster configuration and selective loading |
US9191138B2 (en) | 2000-12-15 | 2015-11-17 | Adaptix, Inc. | OFDMA with adaptive subcarrier-cluster configuration and selective loading |
US9203553B1 (en) | 2000-12-15 | 2015-12-01 | Adaptix, Inc. | OFDMA with adaptive subcarrier-cluster configuration and selective loading |
US9210708B1 (en) | 2000-12-15 | 2015-12-08 | Adaptix, Inc. | OFDMA with adaptive subcarrier-cluster configuration and selective loading |
US9219572B2 (en) | 2000-12-15 | 2015-12-22 | Adaptix, Inc. | OFDMA with adaptive subcarrier-cluster configuration and selective loading |
US9344211B2 (en) | 2000-12-15 | 2016-05-17 | Adaptix, Inc. | OFDMA with adaptive subcarrier-cluster configuration and selective loading |
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JP2001511966A (en) | 2001-08-14 |
EP0951763B1 (en) | 2007-04-18 |
WO1998035463A2 (en) | 1998-08-13 |
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EP0951763A2 (en) | 1999-10-27 |
DE69837595T2 (en) | 2008-01-03 |
US20130051291A1 (en) | 2013-02-28 |
JP3967385B2 (en) | 2007-08-29 |
CA2278852A1 (en) | 1998-08-13 |
EP1791288A1 (en) | 2007-05-30 |
US7450542B2 (en) | 2008-11-11 |
US6560209B1 (en) | 2003-05-06 |
EP1786137B1 (en) | 2012-08-15 |
US5933421A (en) | 1999-08-03 |
US8305990B2 (en) | 2012-11-06 |
DE69841701D1 (en) | 2010-07-15 |
US8693432B2 (en) | 2014-04-08 |
EP2271022A1 (en) | 2011-01-05 |
CA2278852C (en) | 2002-04-09 |
EP1786137A1 (en) | 2007-05-16 |
US20080298339A1 (en) | 2008-12-04 |
EP1791288B1 (en) | 2010-06-02 |
US20140219075A1 (en) | 2014-08-07 |
DE69837595D1 (en) | 2007-05-31 |
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