Patent ID: 7106252

Claim:
An antenna arrangement suitable for use in a user terminal in order to provide wireless multiple-input-multiple-output (MIMO) communications, said antenna arrangement comprising: (i) at least a first and a second ground plane, the first ground plane arranged to be provided in a body of the user terminal and the second ground plane arranged to be provided external to the body of the user terminal; and (ii) three or more antennas each associated with one of the ground planes, at least one of the antennas being associated with the first ground plane and at least two others of the antennas being associated with the second ground plane; wherein said ground planes are positionable with respect to one another, in use, such that polarisation diversity is provided between antennas associated with different ones of the ground planes; and wherein at least two of the antennas associated with the second ground plane are of different polarisations.