Constant flux illumination of square cells for millimeter-wave wireless communications
The use of highly shaped-beam base-station antennas in millimeter-wave wireless communication systems may contribute to significantly enhance system performance. Previously proposed axial symmetric dielectric lenses provide a most useful constant-flux circular footprint, but they may fail to cover t...
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| Veröffentlicht in: | IEEE transactions on microwave theory and techniques 2001-11, Vol.49 (11), p.2137-2141 |
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| container_title | IEEE transactions on microwave theory and techniques |
| container_volume | 49 |
| creator | Fernandes, C.A. Anunciada, L.M. |
| description | The use of highly shaped-beam base-station antennas in millimeter-wave wireless communication systems may contribute to significantly enhance system performance. Previously proposed axial symmetric dielectric lenses provide a most useful constant-flux circular footprint, but they may fail to cover the regions near the vertices of square or rectangular cells, unless excessive wall illumination is allowed. This paper presents a simplified procedure to design shaped three-dimensional dielectric lenses that produce constant-flux illumination with square or rectangular footprints, suitable for indoor cells. The procedure is based on circular symmetric dielectric-lens design formulation, yet very sharp rectangular-cell boundary is obtained. Calculated and measured antenna performance is presented, not only in terms of radiation pattern, but also in terms of coverage and time-dispersion characteristic. The procedure is demonstrated for a square-cell lens and is extended for the rectangular-cell case. |
| doi_str_mv | 10.1109/22.963149 |
| format | Article |
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Previously proposed axial symmetric dielectric lenses provide a most useful constant-flux circular footprint, but they may fail to cover the regions near the vertices of square or rectangular cells, unless excessive wall illumination is allowed. This paper presents a simplified procedure to design shaped three-dimensional dielectric lenses that produce constant-flux illumination with square or rectangular footprints, suitable for indoor cells. The procedure is based on circular symmetric dielectric-lens design formulation, yet very sharp rectangular-cell boundary is obtained. Calculated and measured antenna performance is presented, not only in terms of radiation pattern, but also in terms of coverage and time-dispersion characteristic. The procedure is demonstrated for a square-cell lens and is extended for the rectangular-cell case.</description><identifier>ISSN: 0018-9480</identifier><identifier>EISSN: 1557-9670</identifier><identifier>DOI: 10.1109/22.963149</identifier><identifier>CODEN: IETMAB</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Antenna measurements ; Antenna radiation patterns ; Antennas ; Antennas and propagation ; Boundaries ; Design engineering ; Dielectric constant ; Dielectrics ; Footprints ; Illumination ; Lenses ; Lighting ; Millimeter wave communication ; Optical design ; Telecommunications ; Walls ; Wireless communication</subject><ispartof>IEEE transactions on microwave theory and techniques, 2001-11, Vol.49 (11), p.2137-2141</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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Previously proposed axial symmetric dielectric lenses provide a most useful constant-flux circular footprint, but they may fail to cover the regions near the vertices of square or rectangular cells, unless excessive wall illumination is allowed. This paper presents a simplified procedure to design shaped three-dimensional dielectric lenses that produce constant-flux illumination with square or rectangular footprints, suitable for indoor cells. The procedure is based on circular symmetric dielectric-lens design formulation, yet very sharp rectangular-cell boundary is obtained. Calculated and measured antenna performance is presented, not only in terms of radiation pattern, but also in terms of coverage and time-dispersion characteristic. The procedure is demonstrated for a square-cell lens and is extended for the rectangular-cell case.</description><subject>Antenna measurements</subject><subject>Antenna radiation patterns</subject><subject>Antennas</subject><subject>Antennas and propagation</subject><subject>Boundaries</subject><subject>Design engineering</subject><subject>Dielectric constant</subject><subject>Dielectrics</subject><subject>Footprints</subject><subject>Illumination</subject><subject>Lenses</subject><subject>Lighting</subject><subject>Millimeter wave communication</subject><subject>Optical design</subject><subject>Telecommunications</subject><subject>Walls</subject><subject>Wireless communication</subject><issn>0018-9480</issn><issn>1557-9670</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqN0b9LAzEUB_AgCtbq4OoUHBSHq_l1-TFK8RcUXNQ1xLsEUu4ubXJn9b839YqDgzglIZ_3eI8vAKcYzTBG6pqQmeIUM7UHJrgsRaG4QPtgghCWhWISHYKjlJb5yUokJ-B1HrrUm66Hrhk-oG-aofWd6X3oYHAwrQcTLaxs0yToQoRtFr61vY3FxrxbuPHRNjYlWIW2HTpffZemY3DgTJPsye6cgpe72-f5Q7F4un-c3yyKinLRF8ZgIuu3GnMqBSlJbZwjSjnOrKkwLTEhDAlKmeSW1TUlyOSLowYZ46QjdAoux76rGNaDTb1ufdpOazobhqQVZpyqvHeWF39KIgkWQv4Dci4oE1t4_gsuwxC7vK6WkskcR6kyuhpRFUNK0Tq9ir418VNjpLeJaUL0mFi2Z6P11toft_v8AiaFkLs</recordid><startdate>20011101</startdate><enddate>20011101</enddate><creator>Fernandes, C.A.</creator><creator>Anunciada, L.M.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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Previously proposed axial symmetric dielectric lenses provide a most useful constant-flux circular footprint, but they may fail to cover the regions near the vertices of square or rectangular cells, unless excessive wall illumination is allowed. This paper presents a simplified procedure to design shaped three-dimensional dielectric lenses that produce constant-flux illumination with square or rectangular footprints, suitable for indoor cells. The procedure is based on circular symmetric dielectric-lens design formulation, yet very sharp rectangular-cell boundary is obtained. Calculated and measured antenna performance is presented, not only in terms of radiation pattern, but also in terms of coverage and time-dispersion characteristic. The procedure is demonstrated for a square-cell lens and is extended for the rectangular-cell case.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/22.963149</doi><tpages>5</tpages></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Antenna measurements Antenna radiation patterns Antennas Antennas and propagation Boundaries Design engineering Dielectric constant Dielectrics Footprints Illumination Lenses Lighting Millimeter wave communication Optical design Telecommunications Walls Wireless communication |
| title | Constant flux illumination of square cells for millimeter-wave wireless communications |
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