Abstract
In impulse-radio or DS/SS UWB communications, a prerake scheme has been proposed to achieve path diversity while reducing computational complexity in a mobile terminal. On the other hand, in an OFDM system, fractional sampling (FS) has been proposed to achieve path diversity with a single antenna. However, in the FS-OFDM system, it is necessary to oversample a received signal that leads to larger power consumption in the terminal side. In this paper, a precoded transmit path diversity scheme in an OFDM system has been proposed. The proposed scheme can achieve path diversity without oversampling the received signal.
Original language | English |
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Pages (from-to) | 711-725 |
Number of pages | 15 |
Journal | Wireless Personal Communications |
Volume | 68 |
Issue number | 3 |
DOIs | |
Publication status | Published - 2013 Feb |
Keywords
- Fractional sampling
- OFDM
- Path diversity
- Precoding
- Prerake
ASJC Scopus subject areas
- Computer Science Applications
- Electrical and Electronic Engineering