| Presentation | 1999/7/23 Coverage Prediction for an Adaptive Array Antenna System Using a Ray-Tracing Technique Nobuhiko MIKI, Shigeru TOMISATO, Tadashi MATSUMOTO, |
|---|---|
| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In broadband mobile communications, co-channel interference and inter-symbol interference as well as relatively large propagation loss are the major problems to overcome. Adaptive Array Antennas have been considered effective in solving these problems. Previously, the concepts of beam steering and null steering have been developed as different technology bases for adaptive array antennas. This paper aims to combine beam and null steering concepts : main beam is steered toward the desired signal components while nulls being steered toward interference components. This paper also creates a new channel modeling scheme using ray-tracing to enhance the accuracy of system performance evaluations. Coverage achieved by the proposed antenna system is estimated by using the created channel modeling scheme. Results of a series of computer simulations show that the proposed antenna system can improve SIR performance over a omni antenna system by about 30dB at 95% coverage in a sub-urban area. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Broadband Mobile Communication / Multipath Fading / Adaptive Array Antenna / Coverage / Ray-Tracing |
| Paper # | RCS99-70 |
| Date of Issue |
| Conference Information | |
| Committee | RCS |
|---|---|
| Conference Date | 1999/7/23(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | |
| Vice Chair | |
| Secretary | |
| Assistant | |
| Paper Information | |
| Registration To | Radio Communication Systems (RCS) |
|---|---|
| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Coverage Prediction for an Adaptive Array Antenna System Using a Ray-Tracing Technique |
| Sub Title (in English) | |
| Keyword(1) | Broadband Mobile Communication |
| Keyword(2) | Multipath Fading |
| Keyword(3) | Adaptive Array Antenna |
| Keyword(4) | Coverage |
| Keyword(5) | Ray-Tracing |
| 1st Author's Name | Nobuhiko MIKI |
| 1st Author's Affiliation | NTT Mobile Communications Network Inc.() |
| 2nd Author's Name | Shigeru TOMISATO |
| 2nd Author's Affiliation | NTT Mobile Communications Network Inc. |
| 3rd Author's Name | Tadashi MATSUMOTO |
| 3rd Author's Affiliation | NTT Mobile Communications Network Inc. |
| Date | 1999/7/23 |
| Paper # | RCS99-70 |
| Volume (vol) | vol.99 |
| Number (no) | 220 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |