The present invention relates to soft handoffs in an OFDM system. Each mobile terminal measures pilot signal strengths of transmissions from adjacent base stations. If the pilot signal strength for a base station exceeds the defined threshold, that base station is added to an active set list. Each mobile...http://www.google.com/patents/US7042858?utm_source=gb-gplus-sharePatent US7042858 - Soft handoff for OFDM
