## Abstract Code‐spread and conventional CDMA systems are discussed and compared for varying interleaver sizes. Results are evaluated in terms of BER versus __E__~b~/__N__~o~. It is observed that the code‐spread systems give better performance. It is also observed that performance of both the syste
Transmission efficiency of spread ALOHA system using unified spread-spectrum code
✍ Scribed by Fumihito Sasamori; Fumio Takahata
- Publisher
- John Wiley and Sons
- Year
- 1996
- Tongue
- English
- Weight
- 648 KB
- Volume
- 79
- Category
- Article
- ISSN
- 8756-6621
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Three schemes for optical fiber code division multiple access ( ) CDMA networks are presented. These approaches resemble in optics the spread spectrum techniques employed before in radio communications systems. All the schemes employ bipolar codes for data encoding and electro-optic serial correlati
## Abstract In this paper, we investigate the use of multiple‐input multiple‐output (MIMO) techniques with a linear precoded orthogonal frequency division multiplexing (LP‐OFDM) waveform, known as spread‐spectrum multicarrier multiple access (SS‐MC‐MA), for high data rate ultra‐wideband (UWB) syste