On the MIMO Channel Capacity of Multi-Dimensional Signal Sets
On the MIMO Channel Capacity of Multi-Dimensional Signal Sets
In this contribution two general formulae were derived for the capacity evaluation of Multi-Input Multi-Output (MIMO) systems using multi-dimensional signal sets, different modulation schemes and an arbitrary number of transmit as well as receive antennas. It was shown that transmit diversity is capable of narrowing the gap between the capacity of the Rayleigh-fading channel and the AWGN channel. However, since this gap becomes narrower when the receiver diversity order is increased, for higher-order receiver diversity the performance advantage of transmit diversity diminishes. A MIMO system having full multiplexing gain has a higher achievable capacity, than the corresponding MIMO system designed for achieving full diversity gain, provided that the channel SNR is sufficiently high.
MIMO, capacity, multi-dimensional signal set
1594-1598
Ng, S. X.
e19a63b0-0f12-4591-ab5f-554820d5f78c
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1
2004
Ng, S. X.
e19a63b0-0f12-4591-ab5f-554820d5f78c
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1
Ng, S. X. and Hanzo, L.
(2004)
On the MIMO Channel Capacity of Multi-Dimensional Signal Sets.
VTC'04 (Fall), Los Angeles, United States.
26 - 29 Sep 2004.
.
Record type:
Conference or Workshop Item
(Paper)
Abstract
In this contribution two general formulae were derived for the capacity evaluation of Multi-Input Multi-Output (MIMO) systems using multi-dimensional signal sets, different modulation schemes and an arbitrary number of transmit as well as receive antennas. It was shown that transmit diversity is capable of narrowing the gap between the capacity of the Rayleigh-fading channel and the AWGN channel. However, since this gap becomes narrower when the receiver diversity order is increased, for higher-order receiver diversity the performance advantage of transmit diversity diminishes. A MIMO system having full multiplexing gain has a higher achievable capacity, than the corresponding MIMO system designed for achieving full diversity gain, provided that the channel SNR is sufficiently high.
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CAPACITY_CONF.PDF
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sxn-lh-vtc04fall.pdf
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Published date: 2004
Additional Information:
Event Dates: 26-29 September 2004
Venue - Dates:
VTC'04 (Fall), Los Angeles, United States, 2004-09-26 - 2004-09-29
Keywords:
MIMO, capacity, multi-dimensional signal set
Organisations:
Southampton Wireless Group
Identifiers
Local EPrints ID: 261593
URI: http://eprints.soton.ac.uk/id/eprint/261593
PURE UUID: 9a326fc8-1304-4513-b45b-6a0b2d77e862
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Date deposited: 25 Nov 2005
Last modified: 18 Mar 2024 02:48
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Contributors
Author:
S. X. Ng
Author:
L. Hanzo
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