Joint Transmission and Detection in Hexagonal Grid for 3GPP LTE

Cooperative joint transmission and detection algorithms have a high potential to increase the capacity of cellular radio systems. This paper proposes a mapping of areas of joint signal processing into the cellular hexagonal grid architecture, balancing network load, computational load and physical layer overhead versus interference reduction gain. The proposed communication architecture is shown to be realizable with off-the-shelf hardware. Modern wireless communication systems like 3GPP LTE use orthogonal multicarrier modulation to avoid intra-cell interference. The remaining factor limiting system capacity is inter-cell interference, against which base station cooperation has recently gained interest.