AR075129A2 - A WIRELESS TRANSMISSION / RECEPTION UNIT (WTRU) AND A METHOD FOR MULTIPLE ACCESS COMMUNICATIONS BY ORTOGONAL FREQUENCY DIVISION (OFDMA) HYBRID EMPLOYED BY WTRU SUCH - Google Patents

A WIRELESS TRANSMISSION / RECEPTION UNIT (WTRU) AND A METHOD FOR MULTIPLE ACCESS COMMUNICATIONS BY ORTOGONAL FREQUENCY DIVISION (OFDMA) HYBRID EMPLOYED BY WTRU SUCH

Info

Publication number
AR075129A2
AR075129A2 ARP100100052A ARP100100052A AR075129A2 AR 075129 A2 AR075129 A2 AR 075129A2 AR P100100052 A ARP100100052 A AR P100100052A AR P100100052 A ARP100100052 A AR P100100052A AR 075129 A2 AR075129 A2 AR 075129A2
Authority
AR
Argentina
Prior art keywords
ofdma
wtru
data
hybrid
dispersion
Prior art date
Application number
ARP100100052A
Other languages
Spanish (es)
Inventor
Jung-Lin Pan
Guodong Zhang
Yingming Tsai
Original Assignee
Interdigital Tech Corp
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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of AR075129A2 publication Critical patent/AR075129A2/en

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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/005—Interference mitigation or co-ordination of intercell interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • 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
    • 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
    • H04L5/026—Multiplexing of multicarrier modulation signals using code division
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Television Systems (AREA)

Abstract

Una unidad inalámbrica de transmision/recepcion (WTRU) que comprende: un receptor que tiene un sub-ensamble de acceso multiple por division de frecuencia ortogonal (OFDMA) de dispersion y un sub-ensamble de OFDMA sin dispersion y un sub-ensamble comun, el receptor configurado para recibir símbolos de OFDMA híbridos, en donde los símbolos de OFDMA híbridos incluyen primeros datos dispersados en un primer grupo de sub-portadoras y segundos datos sin dispersion en un segundo grupo de sub-portadoras; el sub-ensamble comun configurado para procesar los símbolos de OFDMA híbridos recibidos y recuperar primeros datos dispersados desmapeados a partir del primer grupo de sub-portadoras y segundos datos sin dispersion desmapeados a partir del segundo grupo de sub-portadoras; el sub-ensamble de OFDMA de dispersion configurado para dispersar inversamente los primeros datos dispersados desmapeados y recuperar primeros datos de usuario unico; y el sub-ensamble de OFDMA sin dispersion configurado para recuperar segundos datos a partir de los segundos datos sin dispersion desmapeados. También se divulga un método para comunicaciones de acceso multiple por division de frecuencia ortogonal (OFDMA) híbrido empleado por la WTRU.A wireless transmission / reception unit (WTRU) comprising: a receiver that has an orthogonal frequency division multiple access sub-assembly (OFDMA) for dispersion and a non-dispersive OFDMA sub-assembly and a common sub-assembly, the receiver configured to receive hybrid OFDMA symbols, wherein the hybrid OFDMA symbols include first data dispersed in a first group of subcarriers and second data without dispersion in a second group of subcarriers; the common sub-assembly configured to process the received OFDMA hybrid symbols received and retrieve first dispersed unmapped data from the first group of subcarriers and second undispersed data dispersed from the second group of subcarriers; the dispersion OFDMA subassembly configured to reverse dispersed the first scattered unmapped data and retrieve first single user data; and the sub-assembly of OFDMA without dispersion configured to recover second data from the second data without dispersion unmapped. A method for hybrid orthogonal frequency division (OFDMA) multiple access communications used by the WTRU is also disclosed.

ARP100100052A 2005-04-22 2010-01-11 A WIRELESS TRANSMISSION / RECEPTION UNIT (WTRU) AND A METHOD FOR MULTIPLE ACCESS COMMUNICATIONS BY ORTOGONAL FREQUENCY DIVISION (OFDMA) HYBRID EMPLOYED BY WTRU SUCH AR075129A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67387205P 2005-04-22 2005-04-22

Publications (1)

Publication Number Publication Date
AR075129A2 true AR075129A2 (en) 2011-03-09

Family

ID=37402324

Family Applications (3)

Application Number Title Priority Date Filing Date
ARP060101583A AR053857A1 (en) 2005-04-22 2006-04-21 METHOD AND MULTIPLE ACCESS SYSTEM BY HYBRID ORTOGONAL FREQUENCY DIVISION
ARP090102673A AR073183A2 (en) 2005-04-22 2009-07-15 A WIRELESS TRANSMISSION / RECEPTION UNIT (WTRU) CONFIGURED TO MAKE MULTIPLE ACCESS COMMUNICATIONS BY HYBRID ORTOGONAL FREQUENCY DIVISION (OFDMA) AND A METHOD USED BY WTRU SUCH
ARP100100052A AR075129A2 (en) 2005-04-22 2010-01-11 A WIRELESS TRANSMISSION / RECEPTION UNIT (WTRU) AND A METHOD FOR MULTIPLE ACCESS COMMUNICATIONS BY ORTOGONAL FREQUENCY DIVISION (OFDMA) HYBRID EMPLOYED BY WTRU SUCH

Family Applications Before (2)

Application Number Title Priority Date Filing Date
ARP060101583A AR053857A1 (en) 2005-04-22 2006-04-21 METHOD AND MULTIPLE ACCESS SYSTEM BY HYBRID ORTOGONAL FREQUENCY DIVISION
ARP090102673A AR073183A2 (en) 2005-04-22 2009-07-15 A WIRELESS TRANSMISSION / RECEPTION UNIT (WTRU) CONFIGURED TO MAKE MULTIPLE ACCESS COMMUNICATIONS BY HYBRID ORTOGONAL FREQUENCY DIVISION (OFDMA) AND A METHOD USED BY WTRU SUCH

Country Status (6)

Country Link
KR (4) KR101236865B1 (en)
CN (2) CN101164243A (en)
AR (3) AR053857A1 (en)
DE (1) DE202006006460U1 (en)
MY (1) MY151888A (en)
TW (6) TWI416894B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100816032B1 (en) 2007-02-13 2008-03-24 삼성전자주식회사 Method of data transmission with iterative multi-user detection, and aparatus using the same
KR100857907B1 (en) * 2007-04-16 2008-09-10 한국전자통신연구원 Apparatus and method for receive diversity for detecting random access preambles in communications system
KR100866984B1 (en) * 2007-04-16 2008-11-05 한국전자통신연구원 Apparatus and method for receive diversity for detecting random access preambles in communictions system
CN101562838B (en) * 2008-04-15 2011-06-29 创新音速有限公司 Method and apparatus for improving transmission time interval bundling

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08237170A (en) * 1995-02-27 1996-09-13 Kokusai Electric Co Ltd Transmission system for spread spectrum signal and its inverse spread synchronous reception system
JPH10107683A (en) * 1996-09-26 1998-04-24 Murata Mfg Co Ltd Spread spectrum communication device
US6795424B1 (en) * 1998-06-30 2004-09-21 Tellabs Operations, Inc. Method and apparatus for interference suppression in orthogonal frequency division multiplexed (OFDM) wireless communication systems
FR2784821B1 (en) 1998-10-16 2000-12-15 Cit Alcatel SPECTRUM SPREAD TRANSMISSION SYSTEM WITH FILTERED MULTI-CARRIER MODULATION
JP4119696B2 (en) * 2001-08-10 2008-07-16 松下電器産業株式会社 Transmitting apparatus, receiving apparatus, and wireless communication method
US6754169B2 (en) * 2001-12-13 2004-06-22 Motorola, Inc. Method and system of operation for a variable transmission mode multi-carrier communication system
JP2003309533A (en) * 2002-04-17 2003-10-31 Matsushita Electric Ind Co Ltd Wireless transmitter, wireless receiver, and method thereof
JP3987858B2 (en) * 2004-01-27 2007-10-10 株式会社エヌ・ティ・ティ・ドコモ Wireless communication system, wireless transmission device, wireless reception device, and wireless communication method

Also Published As

Publication number Publication date
KR101236865B1 (en) 2013-03-21
TW201444312A (en) 2014-11-16
TWM298282U (en) 2006-09-21
TWI590626B (en) 2017-07-01
KR101302411B1 (en) 2013-09-02
TWI532337B (en) 2016-05-01
TW201445915A (en) 2014-12-01
TWI416894B (en) 2013-11-21
KR101304227B1 (en) 2013-09-05
MY151888A (en) 2014-07-14
KR20060111416A (en) 2006-10-27
DE202006006460U1 (en) 2006-11-02
CN101164243A (en) 2008-04-16
AR073183A2 (en) 2010-10-20
TWI455510B (en) 2014-10-01
CN2935645Y (en) 2007-08-15
KR101304228B1 (en) 2013-09-05
TWI527437B (en) 2016-03-21
KR20120052912A (en) 2012-05-24
KR20120112288A (en) 2012-10-11
AR053857A1 (en) 2007-05-23
TW200642341A (en) 2006-12-01
KR20110056263A (en) 2011-05-26
TW201004192A (en) 2010-01-16
TW201637410A (en) 2016-10-16

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Legal Events

Date Code Title Description
FG Grant, registration
FD Application declared void or lapsed, e.g., due to non-payment of fee