Patent ID: 8160664

Claim:
A method, including steps of substantially simultaneous transmission and reception by substantially co-located multiple radios; sending signals to a transmission antenna having a relatively small NULL coverage zone; receiving signals from a reception antenna having a relatively small NULL coverage zone; wherein the transmission antenna is disposed parallel to a maximum power reception region of said reception antenna in the NULL coverage zone of the reception antenna, the reception antenna is disposed parallel to a maximum power reception region of said reception antenna in the NULL coverage zone of the transmission antenna, or both; and the NULL coverage zone of the transmission antenna includes a finite region of substantially zero signal strength at substantially the same polarity as said transmission antenna, the NULL coverage zone of the reception antenna includes a finite region of substantially zero signal strength at substantially the same polarity as said reception antenna, or both; wherein the transmission antenna further comprises a pair of transmission antennae; wherein said maximum power transmission regions of said transmission antennas face in substantially 180 degree opposite directions from each other.