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Multicode MIMO systems with quaternary LCZ and ZCZ sequences
- Issue Date
- Jul-2008
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Hadamard codes; low-correlation zone (LCZ) sequences; multicode multiple-input multiple-output (MIMO); wireless local area network (WLAN); zero-correlation zone (ZCZ) sequences
- Citation
- IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, v.57, no.4, pp.2334 - 2341
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
- Volume
- 57
- Number
- 4
- Start Page
- 2334
- End Page
- 2341
- ISSN
- 0018-9545
- Abstract
- In this paper, we propose multicode multiple-input-multiple-output (MIMO) systems with quaternary low-correlation zone (LCZ) and zero-correlation zone (ZCZ) sequences as spreading codes. Quaternary LCZ and ZCZ sequences have very low correlation values when the time shifts between these sequences are within the predetermined correlation zone, and thus, the multi-user or multipath interference can be substantially reduced when the delay is within a few chips. The bit error probability of the proposed systems is theoretically analyzed, which is numerically confirmed. It is also numerically shown that the performance of the multicode MIMO systems with quaternary LCZ and ZCZ sequences is better than that of the conventional multicode MIMO systems with quaternary spreading codes constructed from pairs of binary Hadamard codes.
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Related Researcher
- Shin, Dong-Joon
- COLLEGE OF ENGINEERING (SCHOOL OF ELECTRONIC ENGINEERING)