A base station is in a spread spectrum code division multiple access (CDMA) communication system with co-exists with a diverse system of existing users. The diverse system selectively utilizes various frequencies within a selected range of frequencies. The base station generates a plurality of spread...http://www.google.com/patents/US20040160926?utm_source=gb-gplus-sharePatent US20040160926 - Spread spectrum base station notch filtering transmitted signals
