| Presentation | 1997/3/19 An Adaptive Receiver Using a Generalized Hebbian Algorithm for DS/CDMA Systems Teruyuki MIYAJIMA, Kazuo YAMANAKA, |
|---|---|
| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In this article, we consider a fast training algorithm and complexity reduction of linear adaptive receivers for single-user demodulation in DS/CDMA systems. Firstly, upper and lower bounds of the eigenvalue spread of auto-correlation matrix of receiver input signals are derived. It is shown that the convergence rate of the LMS algorithm becomes sloW when the signal power of interferer is large. Next, we propose a CDMA receiver using a transform-domain adaptive filter with the generalized Hebbian algorithm(GHA). It is shown that the proposed receiver provides faster convergence than the LMS based receiver. Finally, we consider the input signal dimention reduction by the Karhunen-Loeve(KL) transform since the GHA realizes the KL transform. It is shown that the performance degradation is little than a conventional method. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Interference Suppression / Near-Far Problem / Fast Convergence / Complexity Reduction / Neural Network / KL Transform / Eigen Decomposition |
| Paper # | IT96-93,ISEC96-85,SST96-100 |
| Date of Issue |
| Conference Information | |
| Committee | ISEC |
|---|---|
| Conference Date | 1997/3/19(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 | Information Security (ISEC) |
|---|---|
| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An Adaptive Receiver Using a Generalized Hebbian Algorithm for DS/CDMA Systems |
| Sub Title (in English) | |
| Keyword(1) | Interference Suppression |
| Keyword(2) | Near-Far Problem |
| Keyword(3) | Fast Convergence |
| Keyword(4) | Complexity Reduction |
| Keyword(5) | Neural Network |
| Keyword(6) | KL Transform |
| Keyword(7) | Eigen Decomposition |
| 1st Author's Name | Teruyuki MIYAJIMA |
| 1st Author's Affiliation | Dept. of Systems Eng., Ibaraki Univ.() |
| 2nd Author's Name | Kazuo YAMANAKA |
| 2nd Author's Affiliation | Dept. of Systems Eng., Ibaraki Univ. |
| Date | 1997/3/19 |
| Paper # | IT96-93,ISEC96-85,SST96-100 |
| Volume (vol) | vol.96 |
| Number (no) | 589 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |