In a method of determining a beam to be generated for a user, a user may be selected from a user population based on a parameter that is tracked for each user in the user population, and a beam preferred by the selected user may be determined. The preferred beam may be generated and used by a base station...http://www.google.fr/patents/US7239879?utm_source=gb-gplus-shareBrevet US7239879 - Opportunistic beamforming and scheduling of users in a communication system
Opportunistic beamforming and scheduling of users in a communication system