A mobile communication system is provided in which a base station commands a mobile station (or field monitor) to measure the field strength for a specific channel. The mobile station reports the measured results to the base station. The measured results are used in conjunction with base station identification...http://www.google.com/patents/US5862487?utm_source=gb-gplus-sharePatent US5862487 - Channel allocation for co-located systems based on interferring channel groups
Channel allocation for co-located systems based on interferring channel groups
