alexa Design of Distributed Antenna System Deployment for 21
ISSN ONLINE(2319-8753)PRINT(2347-6710)

International Journal of Innovative Research in Science, Engineering and Technology
Open Access

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Special Issue Article

Design of Distributed Antenna System Deployment for 2100 Mhz

 
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Abstract

A lot of schemes are proposed to exploit the transmit diversity. Distributed antenna systems (DAS) constitute one of the most attractive schemes to efficiently achieve the stringent quality of service demands of next generation wireless networks. In this project, it is investigated MISO assisted different transmission techniques used in DAS and the performance of downlink multi-cell DAS in terms of capacity improvement using SINR for different transmission scheme. A system level simulation tool is used to analyze the performance [1]. The aim of this paper is to assess the applicability of a Repeater connected to a Distributed Antenna System (DAS) for improving indoor capacity in UMTS radio network (2100 MHz). A guarantee of sufficient coverage and capacity for In-building areas constitutes a considerable issue in topology planning, because in both links, indoor users produce high interference to the outdoor network due to significant indoor propagation losses. Presented configuration effectively exploits effectively a Repeater system that amplifies the signal from the outdoor network and delivers it for indoor locations through distributed antenna system. Implementation of the analyzed Repeater system is straightforward as it does not require usage of separate carrier. Moreover, any separate scrambling codes do not have to be dedicated either. Conducted measurement campaigns reveal improvement of radio conditions due to Repeater implementation that results in 35% gain of downlink capacity for indoor locations.

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