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Adaptive Power Allocation for Effective Capacity of TAS-MRC Systems
-
Xiaobo Guo
,
Lei Dong
Published/Copyright:
October 25, 2013
Abstract
In this paper, the effective capacity of transmit antenna selection-maximal ratio combining (TAS-MRC) systems is studied. By considering constant power allocation, a closed-form expression for the effective capacity is derived. While for variable power allocation, restricted by the average power, optimal power allocation scheme and associated effective capacity is given. Adaptive modulation is used for both constant and variable power allocation, and the superiority of variable power allocation versus constant power allocation is demonstrated by the computer simulations.
Keywords: effective capacity; transmit antenna selection (TAS); maximal ratio combining (MRC); adaptive power allocation
Received: 2013-3-18
Published Online: 2013-10-25
Published in Print: 2013-12-1
©[2013] by Walter de Gruyter Berlin Boston
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- Outage Probability of Interference-limited Switch and Stay Diversity System over Gamma Shadowed Nakagami-m Fading Channels
- Average Fade Duration of Dual Selection Diversity over Correlated Unbalanced Nakagami-m Fading Channels in the Presence of Cochannel Interference
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Keywords for this article
effective capacity;
transmit antenna selection (TAS);
maximal ratio combining (MRC);
adaptive power allocation
Articles in the same Issue
- Masthead
- Broadband Circularly Polarized Microstrip Antenna Using L-Shaped Probe and H-shaped Aperture-Coupling
- Broadband Circularly Polarized Cavity Backed Slot Antenna Array with Broadband Sequential Rotation Feed
- A Generalized Circuit Model for High Directivity Coupler Using Mu-Negative Transmission Lines
- A 0.6-V 5.2 GHz Folded Cascode LNA with Transformer-feedback Technique for Ultra Low Power Applications
- Improved Thermal Stability of RF Power BJT with Ballast Circuits
- Adaptive Power Allocation for Effective Capacity of TAS-MRC Systems
- Outage Probability of Interference-limited Switch and Stay Diversity System over Gamma Shadowed Nakagami-m Fading Channels
- Average Fade Duration of Dual Selection Diversity over Correlated Unbalanced Nakagami-m Fading Channels in the Presence of Cochannel Interference
- Performance Analysis of Cooperative ARQ Scheme with Co-channel Interference
- An Improved Adaptive Tracking Algorithm based on Iteration and Discriminator Optimization for Burst DSSS Signals
