Fading correlation and its effect on the capacity of multielement antenna systems
We investigate the effects of fading correlations in multielement antenna (MEA) communication systems. Pioneering studies showed that if the fades connecting pairs of transmit and receive antenna elements are independently, identically distributed, MEAs offer a large increase in capacity compared to...
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| Veröffentlicht in: | IEEE transactions on communications 2000-03, Vol.48 (3), p.502-513 |
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| container_title | IEEE transactions on communications |
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| creator | Da-Shan Shiu Foschini, G.J. Gans, M.J. Kahn, J.M. |
| description | We investigate the effects of fading correlations in multielement antenna (MEA) communication systems. Pioneering studies showed that if the fades connecting pairs of transmit and receive antenna elements are independently, identically distributed, MEAs offer a large increase in capacity compared to single-antenna systems. An MEA system can be described in terms of spatial eigenmodes, which are single-input single-output subchannels. The channel capacity of an MEA is the sum of capacities of these subchannels. We show that the fading correlation affects the MEA capacity by modifying the distributions of the gains of these subchannels. The fading correlation depends on the physical parameters of MEA and the scatterer characteristics. In this paper, to characterize the fading correlation, we employ an abstract model, which is appropriate for modeling narrow-band Rayleigh fading in fixed wireless systems. |
| doi_str_mv | 10.1109/26.837052 |
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Pioneering studies showed that if the fades connecting pairs of transmit and receive antenna elements are independently, identically distributed, MEAs offer a large increase in capacity compared to single-antenna systems. An MEA system can be described in terms of spatial eigenmodes, which are single-input single-output subchannels. The channel capacity of an MEA is the sum of capacities of these subchannels. We show that the fading correlation affects the MEA capacity by modifying the distributions of the gains of these subchannels. The fading correlation depends on the physical parameters of MEA and the scatterer characteristics. In this paper, to characterize the fading correlation, we employ an abstract model, which is appropriate for modeling narrow-band Rayleigh fading in fixed wireless systems.</description><identifier>ISSN: 0090-6778</identifier><identifier>EISSN: 1558-0857</identifier><identifier>DOI: 10.1109/26.837052</identifier><identifier>CODEN: IECMBT</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Antennas ; Antennas and propagation ; Channel capacity ; Communication systems ; Correlation ; Fading ; Gain ; Gallium nitride ; Joining ; Joining processes ; Mathematical models ; Rayleigh channels ; Receiving antennas ; Scattering ; Transmitters ; Transmitting antennas</subject><ispartof>IEEE transactions on communications, 2000-03, Vol.48 (3), p.502-513</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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Pioneering studies showed that if the fades connecting pairs of transmit and receive antenna elements are independently, identically distributed, MEAs offer a large increase in capacity compared to single-antenna systems. An MEA system can be described in terms of spatial eigenmodes, which are single-input single-output subchannels. The channel capacity of an MEA is the sum of capacities of these subchannels. We show that the fading correlation affects the MEA capacity by modifying the distributions of the gains of these subchannels. The fading correlation depends on the physical parameters of MEA and the scatterer characteristics. In this paper, to characterize the fading correlation, we employ an abstract model, which is appropriate for modeling narrow-band Rayleigh fading in fixed wireless systems.</description><subject>Antennas</subject><subject>Antennas and propagation</subject><subject>Channel capacity</subject><subject>Communication systems</subject><subject>Correlation</subject><subject>Fading</subject><subject>Gain</subject><subject>Gallium nitride</subject><subject>Joining</subject><subject>Joining processes</subject><subject>Mathematical models</subject><subject>Rayleigh channels</subject><subject>Receiving antennas</subject><subject>Scattering</subject><subject>Transmitters</subject><subject>Transmitting antennas</subject><issn>0090-6778</issn><issn>1558-0857</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqF0T1LA0EQBuBFFIzRwtZqsVAsLs5-3e6VEowKARG0PvZ2Z_XCfcTbTZF_70mChYVWAzMPLwwvIecMZoxBccvzmREaFD8gE6aUycAofUgmAAVkudbmmJzEuAIACUJMyMvC-rp7p64fBmxsqvuO2s7TOkWKIaBLdNykD6TOrq2r05b2gbabJtXYYItdGnnCrrM0bmPCNp6So2CbiGf7OSVvi_vX-WO2fH54mt8tMydynbJKVD446QtfcTTAXS5D5SQrQmDBC6ysrAzTwaHy6KsctFISJK-kD-jBiSm53uWuh_5zgzGVbR0dNo3tsN_EsmAyF0ICjPLqT8kN14WR8n-oFeOMFyO8_AVX_WboxndLYxQT0hT5iG52yA19jAOGcj3UrR22JYPyu6yS5-WurNFe7GyNiD9uf_wCRViPmQ</recordid><startdate>20000301</startdate><enddate>20000301</enddate><creator>Da-Shan Shiu</creator><creator>Foschini, G.J.</creator><creator>Gans, M.J.</creator><creator>Kahn, J.M.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| source | IEEE Electronic Library (IEL) |
| subjects | Antennas Antennas and propagation Channel capacity Communication systems Correlation Fading Gain Gallium nitride Joining Joining processes Mathematical models Rayleigh channels Receiving antennas Scattering Transmitters Transmitting antennas |
| title | Fading correlation and its effect on the capacity of multielement antenna systems |
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