Channel Estimation TRIZ Cases
- Sub-sampled Timing Synchronization in Ultra Wideband Systems
A timing synchronization apparatus estimates offsets at sub-sampled rates to reduce power consumption.
- Uplink Channel Estimation via Time Domain Tap Feedback
Time domain channel estimation uses feedback on channel tap positions to reduce pilot overhead while maintaining accuracy in sparse mmWave environments.
- Channel Estimation for Interference Cancellation in Heterogeneous Networks
Wireless devices select known signal sequences based on quality measures to perform channel estimation.
- Echo Discrimination via Frequency Domain Channel Analysis
A channel estimation unit transforms baseband signals into frequency domain responses to generate characteristic values for echo detection.
- Bootstrap Processor Channel Transfer Function Update
Bootstrap processor updates channel transfer function estimates for OFDM symbols to recover signalling data.
- Pilot Design for Channel Estimation in MIMO Systems
Segmenting pilot transmission into clustered sequences reduces overhead while maintaining accurate channel and interference estimates for multiple terminals.
- Neural Network Channel Frequency Response Prediction
Convolutional neural networks estimate repaired channel frequency response from impaired signals, resolving inaccurate bandwidth gain estimations.
- Vector Processor Rake-Finger Operation Execution Unit
A vector execution unit performs rake-finger operations via a single instruction combining rotation, FIR filtering, and despreading.
- Waveform Correlation Calculator Complexity Reduction
A waveform correlation calculator reduces computational load by reusing channel coefficients and exploiting Hermitian symmetry.
- Channel Estimation Method for Ethernet Echo Cancellation
A channel estimation method adjusts analog gain based on signal energy ratios to improve measurement precision.
- Deconvolution Filter for Channel Impulse Response Estimation
A deconvolution filter recovers the communication channel impulse response from correlation outputs using short spreading codes.