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The Study on the Adactive H-ARQ Technique in TD-CDMA 3G System  

Suk, Kyung-Hyu (순천청암대학 병원의료정보과)
Park, Sung-Ho (전남도립대학 U-정보산업과)
Publication Information
The Journal of the Korea institute of electronic communication sciences / v.5, no.4, 2010 , pp. 450-456 More about this Journal
Abstract
In the high-speed packet service, next generation mobile communication system has emerged as a major feature. If the fire of these high-speed kit services and non-continuous transmission of data due to the symmetrical nature of daeyiteo traffic for D-CDMA system has been actively studied. Small amounts of data moving in the uplink, but the real-time video downlink transmission, such as downloading large files to move data and services to those with asymmetric traffic characteristics, a system that can efficiently handle the data requirements be. Of 3GPP TDD(Time Division Duplex) scheme based on CDMA and TDMA in a way by introducing the concept through the proper allocation of time slots that can handle asymmetric traffic efficiently, has an advantage. TD-CDMA system by considering the characteristics of the frame configuration of transmission methods, such as physical channel structure and channel coding has been investigated. In addition, the HARQ scheme TD-CDMA system performance is analyzed by comparing them.
Keywords
CDMA; TDMA; 3GPP; H-ARQ; QoS; TDD;
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