Embodiments contemplate methods and systems for determining and communicating
channel state information (CSI) for one or more transmission points (or CSI reference signal …

Embodiments contemplate methods and systems for determining and communicating
channel state information (CSI) for one or more transmission points (or CSI reference signal …

BACKGROUND Recent and predicted exponentially increasing demand for higher data
rates in cellular radio communication net works sets new challenges to wireless network …

Firstly, the general idea of TDD and a technical problem with TDD will be described.
Although the general idea and technical problem, and embodiments, will be described …

(57) ABSTRACT A method, an apparatus, and a computer program product for wireless
communication are provided. The apparatus is a first BS. The apparatus determines a first …

(57) A method, an apparatus, and a computer program product for wireless communication
are provided. The apparatus may be a serving base station. The serving base station …

A method, an apparatus, and a computer program product for wireless communication are
provided. The apparatus may be a UE. The UE receives pilot signals from a serving base …

In various embodiments of the present disclosure, there is provided a method for
determining precoding matrixes for a communication of a first base station and a second …

An interference alignment method and apparatus in a wire less communication system are
provided. A method of a serving Base Station (BS) for uplink interference alignment in a …

(57) ABSTRACT A method and an apparatus for transmitting and receiving a signal using
interference alignment in a multi-cellular net work are provided. The method includes …