1. Paulraj, A.J., and Kailath, T.: ‘Increasing capacity in wireless broadcast systems using distributed transmission∕directional reception’, (U.S. Patent 5,345,599)
2. On the capacity of OFDM-based spatial multiplexing systems
3. Jakes, W.C.: ‘Microwave mobile communications’, (Wiley, New York, NY 1974)