A method and apparatus configures a wireless network comprising a plurality of nodes to
mitigate effects of an external interference source. A subset of the nodes simultaneously …

A system for processing an RF signal received via a plurality of antenna elements includes a
connection arrangement for selecting a sub-set of a given number of RF signals received …

Supporting various functions are described. The various types of pilot include—a beacon
pilot, a MIMO pilot, a steered reference or steered pilot, and a carrier pilot. The beacon pilot …

An apparatus and method for preventing power imbalance between antennas in a closed-
loop MIMO system are provided. In a transmitter in the MIMO system, a first calculator …

For transmit diversity in a multi-antenna OFDM system, a transmitter encodes, interleaves,
and symbol maps traffic data to obtain data symbols. The transmitter processes each pair of …

5,822.374. A 10/1998 Levin 5,832,387. A 11, 1998 B 1 6,731,668 B2 5/2004 Ketchum 5.867.
478 A 2, 1999 Risal 6,735,188 B1 5, 2004 Becker et al. 5,867,539 A 2, 1999 y a. 6.738, 020 …

There is provided a node for use in a network, the node comprising: communication circuitry
to communicate with a management server. Bootstrap circuitry initially identifies an …

Techniques to calibrate downlink and uplink channels to account for differences in the
frequency responses of transmit and receive chains are described. In one embodiment …

(57) ABSTRACT A MIMO system supports multiple spatial multiplexing modes for improved
performance and greater flexibility. These modes may include (1) a single-user steered …

Precoding information is provided (implicitly or explicitly) to a particular user equipment UE.
Closed-loop spatial coding for a control channel is selected for the particular user …