A radio system employing Orthogonal Frequency Division Multiplexed (OFDM) includes
a Base Transceiver Station (BTS) along with a number of mobile terminals located
within a coverage area of the BTS. In this system, a target mobile terminal is
provided with a focused transmission beam to receive high data rate traffic information
while the remainder of the mobile terminals are provide with pilot and signalling
information. To achieve both objectives, a BTS is implemented with a transmission
apparatus that generates a directional transmission beam for the data traffic information.
In one design, this directional beam transmits the pilot and signalling information
along with the data traffic information by rotating the beam within the coverage
area. In another design, the BTS has a transmission apparatus that generates more
than one transmission beam. In one case, the BTS transmits a directional transmission
beam for the data traffic information required by the target mobile terminal and
a second broad transmission beam for the pilot and signalling information required
by the all of the mobile terminals. In another case, the BTS transmits two directional
transmissions beams, one beam for data traffic information and one rotating beam
for pilot and signalling information.