Abstract
Due to the significantly reduced cost and effort for system calibration time-division multiplexing (TDM) is a commonly used technique to switch between the transmit and receive antennas in multiple-input multiple-output (MIMO) radio channel sounding. Nonetheless, Baum et al. [1], [2] have shown that phase noise of the transmitter and receiver local oscillators, when it is assumed to be a white Gaussian random process, can cause large errors of the estimated channel capacity of a low-rank MIMO channel when the standard channel matrix estimator is used. Experimental evidence shows that consecutive phase noise samples affecting measurement samples collected with real TDM- MIMO channel sounders are correlated. In this contribution a capacity estimator that accounts for the phase noise correlation is proposed. The estimator is based on a linear minimum mean square error estimate of the MIMO channel matrix. It is shown by means of Monte Carlo simulations assuming a measurement- based phase noise model, that the MIMO channel capacity can be estimated accurately for signal-to-noise ratios up to about 35 dB.
Original language | English |
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Title of host publication | 2008 IEEE Global Telecommunications Conference, GLOBECOM 2008 |
Number of pages | 6 |
Publication date | 1 Dec 2008 |
Pages | 3308-3313 |
Article number | 4698410 |
ISBN (Print) | 9781424423248 |
DOIs | |
Publication status | Published - 1 Dec 2008 |
Event | 2008 IEEE Global Telecommunications Conference, GLOBECOM 2008 - New Orleans, LA, United States Duration: 30 Nov 2008 → 4 Dec 2008 |
Conference
Conference | 2008 IEEE Global Telecommunications Conference, GLOBECOM 2008 |
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Country/Territory | United States |
City | New Orleans, LA |
Period | 30/11/2008 → 04/12/2008 |