Spatial Transmit Diversity TRIZ Cases

Compass-based antenna selection aligns directional arrays with cellular sectors, reducing interference and extending battery life.

Joint phase-time arrays merge phase shifting and time delays to mitigate mmWave propagation loss while reducing system complexity.

Multi-antenna RFID systems re-arrange received signals into high-dimensional vectors to improve tag quantity estimation accuracy.

A cross polarization antenna array at a base station reduces channel relevancy between antennas to enhance demodulation performance.

Dynamic beam availability signaling resolves backhaul access interference by configuring distributed unit resources on integrated access and backhaul nodes.

Segmenting antenna ports into vertical and horizontal domains reduces reference signal overhead in multi-antenna systems.

Wireless communication apparatus controls distinct beam areas for clear channel assessment and data transmission using directional antennas.

Switching circuitry connects outputs of first circuitry to inputs of second circuitry, reducing physical size and power consumption.

Terminal switches between DMRS-only and combined DMRS-CRS channel estimation based on subframe availability to resolve accuracy versus complexity trade-offs.

Periodic reference signal transmission reduces uplink resource overhead while maintaining channel estimation accuracy.

Distinct sampling clock frequencies spread spectral repetitions across a wider range to relax filtering requirements.

Segmenting dual precoder feedback into periodic reports reduces uplink resource consumption while maintaining transmission reliability.

A hybrid beamforming system combines analog and digital stages with orthogonal weights to span the channel matrix space.

Interface circuit provides preference-indication information to an access point.

A central controller guides multi-hop wireless network node ignition by applying pre-calculated beamforming weights derived from installation GPS data.

An iterative precoding method updates matrices via Lagrange functions to mitigate user interference in wireless systems.

A radio device samples repeated data blocks from two antennas in separate time windows using a switch to connect receive circuitry.

A user equipment determines a demodulation reference signal antenna port based on modulation and coding scheme information to receive a phase tracking reference signal.

Separating channel and interference measurement resources enables multi-user interference handling without increasing configuration overhead.

Extending reference signal orthogonality to two dimensions supports increased transmission layers while maintaining signal separation.

Pre-configured L1/L2 parameters eliminate random access channel latency during serving cell changes, reducing interruption time and overhead.

A communication circuit uses an antenna switching circuit to couple RF signal paths with fewer switches.

Align antenna panels during guard periods to reduce P3 procedure overhead and improve spectral efficiency.

Synthetic aperture antenna arrays suppress multipath errors in indoor localization by determining the direction of arrival from LTE carrier phase measurements.

Dividing beamforming training fields across separate frames reduces latency in high-frequency mmWave systems while maintaining throughput.

A downlink interference alignment scheme projects cross-channel interference onto predetermined vectors using local channel knowledge.

Segmenting planar antenna arrays into one-dimensional groups reduces uplink overhead while maintaining transmission rate.

A beam configuration method aligns terminal and network beams using acknowledgment messages and preset duration timers.

A beamformed reference signal and normalization vector enable user equipment to report interference conditions efficiently.

Aligns MU-MIMO frame start times using slot-based timing to synchronize transmissions, reducing overhead and implementation complexity.

Estimating effective throughput for multiple transmit antenna layers to select the optimal rank.

A millimetre wave beam tracking method adjusts directional antenna patterns based on terminal motion characteristics to maintain high-gain links.

Codebook segmentation and dynamic process limits lower UE processing complexity while maintaining measurement precision for SU/MU-MIMO systems.

User equipment determines second precoding information from representative UE data, reducing signaling overhead while maintaining channel measurement accuracy.

A terminal device transmits uplink control information using dynamic panel selection based on priority levels.

Segmenting large precoder codebooks into dynamic subsets mapped to compact indices reduces PUCCH feedback overhead and device computational burden.

Configures a two-dimensional antenna array transmission mode to calculate and report channel state information for wireless communication systems.

A selecting module switches antennas during the data packet preamble using automatic gain control signals to optimize reception.

A user equipment determines a second sounding reference signal frequency hopping pattern based on an anticipated antenna switch event.

Terminal reports channel state information in a comb manner at set intervals, reducing uplink bandwidth occupation and improving spectral efficiency.

A multicarrier signal transmission method computes interference from adjacent carriers in a contour ring to reduce inter-symbol interference without guard intervals.

Device-to-device terminals measure traffic load per beam direction to select partners, reducing unnecessary access and resource allocation.

Transforming beamforming operations into the frequency domain reduces memory usage and computational resources while maintaining wideband signal precision.

Aggregated EDMG BRP-TX packets reduce time overhead by enabling in-packet beamforming training for millimeter-wave networks.

Segment high rank MIMO channels into virtual sub-channels to reduce detector complexity while maintaining reliable symbol detection performance.

New data indicator differentiates transmission modes to support higher-rank MU-MIMO configurations.

A connection control circuit dynamically switches between mm-wave radio links using electronically steerable beamforming directional antennas.