Principles of mobile communication (2nd ed.)
Principles of mobile communication (2nd ed.)
Wireless Communications: Principles and Practice
Wireless Communications: Principles and Practice
Microwave Mobile Communications
Microwave Mobile Communications
A compact and accurate Gaussian variate generator
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
Modelling and Simulation in Engineering - Special issue on Modeling and Simulation of Mobile Radio Channels
Hardware implementation of Nakagami and Weibull variate generators
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
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Emulation of fading channels is a key step in the design and verification of wireless communication systems. Testing wireless transceivers with actual fading channels is inconvenient due to unrepeatable and uncontrollable channel conditions. In this paper we present a compact field-programmable gate array (FPGA) implementation for a circuit that generates temporally-correlated fading variates for emulating multipath fading radio channels. The implemented fading emulator is flexible enough to model different propagation scenarios accurately and is compact enough that it can be implemented on the same FPGA with the design under test (DUT) for greater emulation efficiency and speed-up. Several streams of Rayleigh or Rician fading variates are generated by passing independent samples of Gaussian noise through spectrum shaping filters. The new baseband emulator is fully parameterizable and can emulate a wide variety of single and multiple antenna scenarios.