Abstract
In this paper we investigate the application of multi-carrier code division multiple access (MC- CDMA) in impulsive noise power-line channels. In order to improve system performance, impulsive noise blanking is utilized at the receiver's front-end. For comparison-sake, three families of spreading codes are considered here, namely, pseudonoise (PN), Walsh-Hadamard (WH) and poly- phase (PP) sequences. Probability of blanking error P-b and output signal-to-noise ratio (SNR) performances are adopted to characterize the achievable gains. The results reveal that the proposed scheme is able to achieve considerable improvements in terms of P-b and output SNR performance. It is also shown that PP-based MC- CDMA yields the best overall performance with a 1.2 dB SNR gain relative to blanking-based orthogonal frequency division multiple access systems.
| Original language | English |
|---|---|
| Title of host publication | 2015 IEEE 81st Vehicular Technology Conference, VTC Spring 2015 - Proceedings |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9781479980888 |
| DOIs | |
| State | Published - 1 Jul 2015 |
| Externally published | Yes |
Publication series
| Name | IEEE Vehicular Technology Conference |
|---|---|
| Volume | 2015 |
| ISSN (Print) | 1550-2252 |
Bibliographical note
Publisher Copyright:© 2015 IEEE.
Keywords
- Blanking
- Impulsive noise
- MC-CDMA
- Polyphase sequences
- Power-line communications (PLC)
- Pseudonoise codes
- Symbol error rate (SER)
- Walsh-Hadamard sequences
ASJC Scopus subject areas
- Computer Science Applications
- Electrical and Electronic Engineering
- Applied Mathematics
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