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Throughput analysis of three multiuser diversity schemes

Florén, Fredrik LU ; Edfors, Ove LU and Molin, Bengt-Arne (2003) 57th IEEE Semiannual Vehicular Technology Conference. VTC 2003 In 57th IEEE Semiannual Vehicular Technology Conference. VTC 2003 (Cat. No.03CH37431) p.2686-2690
Abstract
The throughput of three slot allocation schemes for the downlink of a wireless TDMA system are investigated under the assumption of block-Rayleigh fading. The schemes use the instantaneous SNR at the users in order to take advantage of the independent fading of the channels. In the first scheme, which has been proposed earlier (R. Knopp et al., 1995), the base station transmits to the user that experiences the largest SNR in every slot. In the second scheme, which is a variant of an existing scheme (P. Viswanath et al., June 2002), the user with highest ratio between instantaneous SNR and mean SNR is transmitted to. Lastly, we propose a scheme that compares the SNR at a user to a threshold in order determine if transmission to that user... (More)
The throughput of three slot allocation schemes for the downlink of a wireless TDMA system are investigated under the assumption of block-Rayleigh fading. The schemes use the instantaneous SNR at the users in order to take advantage of the independent fading of the channels. In the first scheme, which has been proposed earlier (R. Knopp et al., 1995), the base station transmits to the user that experiences the largest SNR in every slot. In the second scheme, which is a variant of an existing scheme (P. Viswanath et al., June 2002), the user with highest ratio between instantaneous SNR and mean SNR is transmitted to. Lastly, we propose a scheme that compares the SNR at a user to a threshold in order determine if transmission to that user shall occur. If the SNR is below the threshold, transmission to another user is attempted. The results indicate that considerable throughput gains can be achieved even with limited SNR feedback, although there exists a trade-off between throughput and delay (Less)
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author
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
keywords
signal-to-noise ratio, base station, fading channel, block-Rayleigh fading, time division multiple access, wireless TDMA system, three multiuser diversity schemes, three slot allocation schemes, SNR
in
57th IEEE Semiannual Vehicular Technology Conference. VTC 2003 (Cat. No.03CH37431)
pages
2686 - 2690
publisher
IEEE--Institute of Electrical and Electronics Engineers Inc.
conference name
57th IEEE Semiannual Vehicular Technology Conference. VTC 2003
external identifiers
  • WOS:000184835900556
  • Scopus:0041968409
ISBN
0-7803-7757-5
DOI
10.1109/VETECS.2003.1208880
language
English
LU publication?
yes
id
4ec79e39-1cd1-4810-860a-e162cfa11704 (old id 612462)
date added to LUP
2007-11-28 13:10:02
date last changed
2016-10-13 04:38:21
@misc{4ec79e39-1cd1-4810-860a-e162cfa11704,
  abstract     = {The throughput of three slot allocation schemes for the downlink of a wireless TDMA system are investigated under the assumption of block-Rayleigh fading. The schemes use the instantaneous SNR at the users in order to take advantage of the independent fading of the channels. In the first scheme, which has been proposed earlier (R. Knopp et al., 1995), the base station transmits to the user that experiences the largest SNR in every slot. In the second scheme, which is a variant of an existing scheme (P. Viswanath et al., June 2002), the user with highest ratio between instantaneous SNR and mean SNR is transmitted to. Lastly, we propose a scheme that compares the SNR at a user to a threshold in order determine if transmission to that user shall occur. If the SNR is below the threshold, transmission to another user is attempted. The results indicate that considerable throughput gains can be achieved even with limited SNR feedback, although there exists a trade-off between throughput and delay},
  author       = {Florén, Fredrik and Edfors, Ove and Molin, Bengt-Arne},
  isbn         = {0-7803-7757-5},
  keyword      = {signal-to-noise ratio,base station,fading channel,block-Rayleigh fading,time division multiple access,wireless TDMA system,three multiuser diversity schemes,three slot allocation schemes,SNR},
  language     = {eng},
  pages        = {2686--2690},
  publisher    = {ARRAY(0x93353e8)},
  series       = {57th IEEE Semiannual Vehicular Technology Conference. VTC 2003 (Cat. No.03CH37431)},
  title        = {Throughput analysis of three multiuser diversity schemes},
  url          = {http://dx.doi.org/10.1109/VETECS.2003.1208880},
  year         = {2003},
}