69 search results - page 1 / 14 » Joint adaptive space and frequency basis selection |
ICIP
1997
IEEE
13 years 8 months ago
1997
IEEE
We develop a new method for building a representation of an image from a library of basis elements that is facilitated by a joint adaptive space and frequency JASF graph. The JA...
GLOBECOM
2006
IEEE
13 years 10 months ago
2006
IEEE
— Future wireless communication systems require highly efficient use of radio parameters. Adaptability to changing environment conditions and to service application requirements ...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
Abstract—Synchronization is an important issue in orthogonal frequency-division multiplexing (OFDM) systems including symbol timing and carrier frequency offset (CFO) estimation....
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
Abstract— In this paper, we propose a frequency domain adaptive estimation of Doppler shifts for multiple Doppler subpaths in direct sequence code division multiple access (DS-CD...
GLOBECOM
2006
IEEE
13 years 10 months ago
2006
IEEE
Abstract— We propose low-complexity equalizers for Alamouti space-time coded orthogonal frequency-division multiplexing (OFDM) systems in time- and frequency-selective channels, ...