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Block-spreading codes for impulse radio multiple access through ISI channels

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2 Author(s)
Liuqing Yang ; Dept. of Electron. & Comput. Eng., Minnesota Univ., Minneapolis, MN, USA ; Giannakis, G.B.

Transmitting digital information using ultra-short pulses, impulse radio (IR) has received increasing interest for multiple access (MA). Analog IRMA utilizes pulse-position modulation (PPM) and random time-hopping codes to mitigate inter-symbol interference (ISI) and suppress multiuser interference (MUI) statistically. We develop an all-digital IRMA scheme that relies on block-spreading and judiciously designed transceiver pairs to eliminate MUI deterministically, and regardless of ISI multipath effects.

Published in:

Communications, 2002. ICC 2002. IEEE International Conference on  (Volume:2 )

Date of Conference:

2002