Diversity/Multi-Antenna Systems TRIZ Cases

Segmenting correlated codebook vectors into similar sets reduces feedback overhead while maintaining multi-user data rate performance.

A MIMO signal processing method segments data blocks and attaches CRCs before allocating them to transmitting antennas based on channel status feedback.

A beamforming apparatus calculates vectors using adjusted noise power values to optimize signal transmission.

Mapping channel coefficients to discrete regions reduces computational complexity, enabling efficient low bit-rate feedback for MIMO systems.

A transceiver uses a space hopping phased array antenna to dynamically adjust radiation patterns.

Rate matching downlink channels around reserved resource elements reduces interference between NR and LTE networks while enabling accurate channel estimation.

A multi-directional beam codebook trains a neural network to predict uplink narrow beams from downlink signals.

An analog baseband interface combines multiple signal bands into a single transmission path between transceiver and modem.

A layer mapper maps two codewords to three layers and a precoder distributes symbols across four antenna ports.

A beamforming system updates steering matrices based on previous mapping values to maintain signal orientation across communication modes.

Segmenting frequency bands into subbands with distinct Transmitted Precoding Matrix Indicators improves coding accuracy and signal-to-noise ratio.