A New Walsh-Like Near Orthogonal (WNO) Sequence for Asynchronous CDMA System
作者： Debolina Chakraborty , Milan Kumar Tarafder , Abhijit Chandra
DOI: 10.1007/S11277-016-3197-9
关键词:
摘要: Present generation mobile communication system employs one of the most popular wireless access technologies called code division multiple (CDMA). Design CDMA spreading codes has drawn significant attention amongst researchers over last few decades. family is generally categorized into purely orthogonal and non-orthogonal (near-orthogonal) members which have established their application in synchronous (downlink) asynchronous (uplink) respectively. Walsh been regarded as useful to be used link because its orthogonality property. However, performance significantly inferior surroundings. A number consequently proposed with an aim mitigate shortcomings code. This paper makes innovative attempt enhance correlation properties existing through simple yet powerful algorithm. Proposed length `N' generated from sets `N/4' thus algorithm recursive nature. Performance subsequently compared some semi terms various metrics finally supremacy our proposition established.
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