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Conference Paper: Spectral reuse for pilot-aided MIMO-OFDM systems over broadcast time dispersive frequency selective fading channels
Title | Spectral reuse for pilot-aided MIMO-OFDM systems over broadcast time dispersive frequency selective fading channels |
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Authors | |
Keywords | Communications |
Issue Date | 2004 |
Publisher | IEEE. |
Citation | Ieee Workshop On Signal Processing Advances In Wireless Communications, Spawc, 2004, p. 348-352 How to Cite? |
Abstract | This paper combines the techniques of multiple-input multiple-output (MIMO) antennas and orthogonal frequency division multiplexing (OFDM) to deliver high-capacity high-data-rate wireless communications over broadcast time dispersive frequency selective fading channels. For broadcast channels, multiple communications can occur at the same frequency subcarrier and time slot from one base station (BS) to many mobile stations (MS). To realize this, we develop a so-called orthogonal space division multiplexing (OSDM) scheme to decompose per-subcarrier channel into many uncoupled single-user spatial modes. In particular, the scheme is modified to improve its robustness to the channel mismatches arising from pilot-aided channel estimation and Doppler spread. Simulation results reveal that following the ESTI HiperLAN II parameters, our proposed scheme can achieve good performance with four simultaneous downlink users at Doppler spread of 40 Hz, which corresponds to mobile moving at speed of 8.5 km/h communicating at 5 GHz. ©2004 IEEE. |
Persistent Identifier | http://hdl.handle.net/10722/46443 |
ISSN | |
References |
DC Field | Value | Language |
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dc.contributor.author | Pan, Z | en_HK |
dc.contributor.author | Wong, KK | en_HK |
dc.contributor.author | Ng, TS | en_HK |
dc.date.accessioned | 2007-10-30T06:49:58Z | - |
dc.date.available | 2007-10-30T06:49:58Z | - |
dc.date.issued | 2004 | en_HK |
dc.identifier.citation | Ieee Workshop On Signal Processing Advances In Wireless Communications, Spawc, 2004, p. 348-352 | en_HK |
dc.identifier.issn | 1242-5125 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/46443 | - |
dc.description.abstract | This paper combines the techniques of multiple-input multiple-output (MIMO) antennas and orthogonal frequency division multiplexing (OFDM) to deliver high-capacity high-data-rate wireless communications over broadcast time dispersive frequency selective fading channels. For broadcast channels, multiple communications can occur at the same frequency subcarrier and time slot from one base station (BS) to many mobile stations (MS). To realize this, we develop a so-called orthogonal space division multiplexing (OSDM) scheme to decompose per-subcarrier channel into many uncoupled single-user spatial modes. In particular, the scheme is modified to improve its robustness to the channel mismatches arising from pilot-aided channel estimation and Doppler spread. Simulation results reveal that following the ESTI HiperLAN II parameters, our proposed scheme can achieve good performance with four simultaneous downlink users at Doppler spread of 40 Hz, which corresponds to mobile moving at speed of 8.5 km/h communicating at 5 GHz. ©2004 IEEE. | en_HK |
dc.format.extent | 425996 bytes | - |
dc.format.extent | 2806 bytes | - |
dc.format.extent | 21012 bytes | - |
dc.format.extent | 21377 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.format.mimetype | text/plain | - |
dc.format.mimetype | text/plain | - |
dc.format.mimetype | text/plain | - |
dc.language | eng | en_HK |
dc.publisher | IEEE. | en_HK |
dc.relation.ispartof | IEEE Workshop on Signal Processing Advances in Wireless Communications, SPAWC | en_HK |
dc.rights | ©2004 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. | - |
dc.subject | Communications | en_HK |
dc.title | Spectral reuse for pilot-aided MIMO-OFDM systems over broadcast time dispersive frequency selective fading channels | en_HK |
dc.type | Conference_Paper | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1242-5125&volume=&spage=348&epage=352&date=2004&atitle=Spectral+reuse+for+pilot-aided+MIMO-OFDM+systems+over+broadcast+time+dispersive+frequency+selective+fading+channels | en_HK |
dc.identifier.email | Ng, TS:tsng@eee.hku.hk | en_HK |
dc.identifier.authority | Ng, TS=rp00159 | en_HK |
dc.description.nature | published_or_final_version | en_HK |
dc.identifier.doi | 10.1109/SPAWC.2004.1439262 | en_HK |
dc.identifier.scopus | eid_2-s2.0-21644458991 | en_HK |
dc.identifier.hkuros | 90263 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-21644458991&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.spage | 348 | en_HK |
dc.identifier.epage | 352 | en_HK |
dc.identifier.scopusauthorid | Pan, Z=7402644862 | en_HK |
dc.identifier.scopusauthorid | Wong, KK=7404759940 | en_HK |
dc.identifier.scopusauthorid | Ng, TS=7402229975 | en_HK |
dc.identifier.issnl | 1242-5125 | - |