Synchronisation Arrangement TRIZ Cases

A C-RAN front-end preprocesses signals and selects resources to cut bandwidth demand while enabling flexible BBU load migration and CoMP.

GNSS timing periodically recalibrates master and slave UWB clocks to offset crystal aging, improving synchronization accuracy over time.

A dual frequency-and-phase tracking loop keeps NFC active load modulation aligned when the initiator carrier is obscured.

Differential I/Q interleaving in OFDM symbols improves payload recovery under Doppler and multipath while preserving spectral efficiency.

A reconfigurable calculation unit lets a software ADPLL complete PLL atomic operations in one reference cycle while cutting RF spurs and silicon area.

Multiple time servers let a wireless base station detect faulty reference time and keep its internal clock accurate during server malfunctions.

Three timed phase measurements enable fast remote clock frequency and phase alignment while avoiding continuous lock and excess power use.

Up-sampled bootstrap OFDM symbols and cross-correlation improve frequency offset and channel estimation for more efficient payload recovery.

Background XO calibration uses known wireless signals and temperature triggers to stabilize frequency before GNSS use.

Periodic switching among delayed clock phases suppresses spurious components in target bands, improving wireless receiver sensitivity.

A reconfigurable calculation unit runs PLL atomic operations in one reference cycle, cutting RF spurs and easing multi-standard ADPLL updates.

Temperature-based divider updates let a single crystal calibrate slow clocks accurately, cutting cost while preserving correct terminal wake timing.

Uses symmetric multitone frequency synthesis to replace multiple local oscillators, cutting power use and band switching time.

A compensation circuit modulates PLL charge pump current from phase differences to suppress reference spurs and improve RF signal purity.

Multiplexed low-frequency clocks cut backplane synchronization interfaces from 192 pins to 48 while preserving clock selection and jitter filtering.

Uses band symmetry and nonlinear multi-tone generation to cut local oscillators while keeping stable dual-band RF/IF transposition.

Dedicated sync values in TDM-style frames avoid packet delay variation and deliver stable frequency and phase timing in microwave backhaul.

Timed resistor switching at the receiver boosts eye pattern quality in high-speed links while avoiding complex pre-emphasis, extra power, and EMI.

A shared system clock with independent correction modules keeps serving-cell sync while monitoring adjacent radio technologies without redundant hardware.

Edge-specific delay control corrects I/Q phase mismatch in low-IF receivers, improving image rejection while keeping ADC power demand low.

A reconfigurable calculation unit lets one digital PLL support multiple wireless standards while cutting silicon area and RF spurs.

Receiver-side CDF estimation of AM/AM nonlinearity lets the power amplifier run nearer compression while preserving BER and efficiency.

Pre-synchronized reference time and edge sampling keep periodic signals aligned despite wireless, processing, and frequency-change delays.

Successive data and edge sampling improve sampling clock phase adjustment precision, helping high-speed links stay stable under attenuation.

Phase-rotated Zadoff-Chu subcarrier sequences improve synchronization under frequency offset while lowering PAPR and amplifier cost.

Predetermined LNA gain states speed TDD initial acquisition by resolving uplink/downlink timing ambiguity and improving signal detection.

A shared frequency and phase reference keeps multimode base station clocks aligned across standards and prevents CPRI interface desynchronization.

Parallel scrambling-code testing after slot timing detection shortens WCDMA DRX cell discovery and cuts awake-time power use.

A single phase error algorithm uses FFT for coarse timing offset detection, then averaging for fine synchronization under noisy channel conditions.

A reconfigurable ASIP-based PLL performs atomic operations in one reference cycle to support multi-standard wireless use while minimizing RF spurs.

Aligning IFS start times across WLAN frame formats prevents collisions while avoiding RTS/CTS overhead, bandwidth loss, and extra power use.

Cumulative baseband phase measurements correct LO frequency offset, enabling precise RF carrier synchronization without GPS or Ethernet.

Cumulative baseband phase measurements correct LO frequency offset, enabling precise RF synchronization without GPS or Ethernet timing.

Combining offset estimates from channels with different symbol timing resolves wrap-around ambiguity and extends mobile frequency correction range.

Repetitive cyclically permutable codewords reduce decoding metrics for frame sync and cell ID detection, shortening cell search time.

A repetitive synchronization code cuts SCH decoding complexity and cell search time through hypothesis testing and diversity combining.

A frequency conversion unit corrects crystal oscillator error without extra control circuitry, enabling precise radio synchronization with lower power.

A software-based PLL uses an RCU and ASIP to enable multi-standard reconfiguration while shifting switching noise to reduce RF spurs.

Indirect offset and drift estimation keeps wireless access point clocks aligned when direct packet exchange is unreliable or blocked.

A repetitive synchronization code cuts cell search decoding load while preserving accurate frame timing and cell ID detection.

FPGA-assisted SDR processing handles more channels than digital streams, easing DSP load while improving multi-band railroad communications.

A shared system clock lets a multimode radio stay synced to the serving cell while correcting frequency for adjacent networks without redundant circuits.

When a primary timing reference drops out, offset data from brief signal returns helps keep the local oscillator synchronized with less accurate sources.

BS-measured uplink frequency error lets the UE compensate Doppler shifts in real time, reducing decoding failures during high-speed movement.

A shared oscillator and software timestamp control keep processor and radio clocks aligned over IP while cutting gateway hardware cost.

Ethernet overhead carries synchronization values so microwave child nodes recover stable frequency and phase timing without extra timing packets.