Loading...

Low SNR regime capacity analysis of MIMO systems using directional antennas

Shariatpanahi, P ; Sharif University of Technology | 2008

610 Viewed
  1. Type of Document: Article
  2. DOI: 10.1109/ISTEL.2008.4651334
  3. Publisher: 2008
  4. Abstract:
  5. In this paper, we evaluate the capacity of Multiple-Input Multiple-Output (MIMO) systems using directional antennas in non-isotropic scattering environments. Our analytical analysis approach results in closed-form approximate formulas in low Signal to Noise Ratio (SNR) regime (in contrast to previous research works which have investigated the same problem by employing experimental or simulation frameworks). We propose an upper bound for the introduced approximate error. Our results show that MIMO systems equipped with directional antennas may have much higher capacity in nonisotropic scattering environments compared to MIMO systems equipped with omni-directional antennas. We also evaluate our results by some numerical examples in communication systems employing Square Microstrip Patch multi-element antennas (MEA)s as well as Horn MEAs. ©2008 IEEE
  6. Keywords:
  7. Analytical analysis ; Approximate formulas ; Capacity analysis ; Closed form ; Directional antenna ; Directional antennas ; Isotropic scattering ; Low signal-to-noise ratio ; Low SNR ; Low SNR performance ; Microstrip patch ; MIMO channel capacity ; Multi-element antennas ; Multiple-input-multiple-output systems ; Nonisotropic scattering ; Numerical example ; Omni-directional antenna ; Simulation framework ; Upper bound ; Acoustic intensity ; Approximation algorithms ; Channel capacity ; Communication systems ; Decoding ; Directional patterns (antenna) ; Horn antennas ; MIMO systems ; Signal to noise ratio ; Multiplexing
  8. Source: 2008 International Symposium on Telecommunications, IST 2008, Tehran, 27 August 2008 through 28 August 2008 ; 2008 , Pages 393-398 ; 9781424427512 (ISBN)
  9. URL: https://ieeexplore.ieee.org/document/4651334