Capacity-based Antenna Selection Scheme for Downlink Transmission in Distributed Antenna System

نویسندگان

  • Xiaoming She
  • Lan Chen
  • Hidetoshi Kayama
چکیده

NTT DoCoMo Technical Journal Vol. 9 No.1 *1 IMT-Advanced: A standard ranked as the successor to IMT-2000 at International Telecommunication Union–Radiocommunication Sector (ITU-R). It calls for data rates of about 100 Mbit/s for high mobility and 1 Gbit/s for low mobility. *2 WINNER: A European research forum established in 2004 with the aim of developing radio transmission technologies for next-generation mobile communications. *3 IEEE802.16j: A next-generation wireless Metropolitan Area Network (MAN) standard based on IEEE802.16 to provide a relay environment. It achieves a communication range of several kilometers square (maximum 50 km), which represents a significant jump in coverage compared to IEEE802.11, the existing wireless LAN standard. Distributed Antenna System Antenna Selection Capacity Maximization

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Low Complexity Antenna Selection Algorithms for downlink Distributed MIMO Systems

Distributed Multiple Input Multiple Output system (D-MIMO) becomes an attractive topic for increasing system capacity more efficiently. In this paper, we propose a novel two-step antenna selection algorithm for downlink D-MIMO systems. First, the distributed antenna cluster is selected based on maximum path fading, and then the antennas in the selected antenna cluster are chosen utilizing the p...

متن کامل

Transmission Selection Schemes using Sum Rate Analysis in Distributed Antenna Systems

In this paper, we study single cell multi-user downlink distributed antenna systems (DAS) where the antenna ports are geographically separated in a cell. First, we derive an expression of the ergodic sum rate for DAS in the presence of pathloss. Then, we propose a transmission selection scheme based on the derived expressions to maximize the overall ergodic sum rate. Utilizing the knowledge of ...

متن کامل

A Study on Frequency Efficiencies of Distributed Antenna Network in Cellular System

Abstract In mobile communication systems, the received signal level varies due to fading, shadowing and path loss and therefore, the transmission performance degrades. Instead of using all of transmit antennas at one position, the outage probability in a service area can be improved by distributed antenna network (DAN) in which transmit antennas are distributed over the service area to transmit...

متن کامل

The Capacity of Multicellular Distributed Antenna Networks

Distributed antenna systems (DAS) are being widely considered for state-of-the art cellular communication systems to cover dead spots. Recent academic studies have shown that in addition to coverage improvements, DAS can also allow a capacity improvement. This paper provides a generalized information theoretic analysis of downlink multicell DAS for two different transmission strategies: selecti...

متن کامل

Receive Antenna Selection for Multiuser MIMO Systems with Tomlinson-Harashima Precoding

In this letter, we discuss the problem of receive antenna selection in the downlink of multiuser multiple-input multiple-output (MIMO) systems with Tomlinson-Harashima precoding (THP), where the number of receivers is assumed equal to that of transmit antennas. Based on the criterion of maximum system sum-capacity, a per-layer receive antenna selection scheme is proposed. This scheme, which sel...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2007