Systems and methods for compensating antenna gain imbalance

摘要

This disclosure involves methods and systems for compensating for imbalanced transmit antenna gains. A transmit controller independently samples the received signal in each chain of a transceiver selectively adjusts the transmit power at each antenna to minimize any indicated imbalance to improve performance at the node receiving the transmission.

主权项

1. A method for compensating imbalanced transmit antenna gain in a wireless communication system having a transmission node with at least first and second antennas, first and second transmit chains associated with the first and second antennas and first and second receive chains associated with the first and second antennas, comprising:
sampling signal strength in the first and second receive chains by determining a receive signal strength indicator (RSSI) representing a sum of all signal energy across a wideband channel; determining an imbalance in antenna gain on the basis of the sampled signal strength, and adjusting the transmit power of the first antenna to offset the imbalance.