Frequency-Division Multiplex Details TRIZ Cases
- Device Level Addressing for Unnumbered Network Interfaces
Assigning a persistent device-level address enables remote access when underlying routing protocols fail.
- Statistical Transition Map for WLAN Roaming Prediction
A statistical transition map predicts optimal access point handovers using mobility history data.
- Video-on-demand System Using IP Header Building and Transmission Control Lists
A video-on-demand system builds internet protocol headers and transmission control lists to manage data packet distribution across network interfaces.
- Network Routing Protocol for Congestion Management in Ad Hoc Networks
A routing protocol adjusts communication metrics to redistribute network traffic across mobile ad hoc nodes.
- Router EF-on-EF Jitter Monitoring via Queue Depth Counters
Counters tracking packets enqueued at depth thresholds determine jitter fractions, resolving measurement precision issues in shared queues.
- TCAM Entry Reduction via Range Condition Vector for Packet Processing
Segmenting TCAM storage with a range condition vector reduces entry count and hardware costs while maintaining deterministic packet switching speed.
- Dual-Interface Wireless Network Routing for Link Reliability
A wireless network system uses dual interfaces to select optimal transmission links across multiple paths.
- UDP Checksum Repurposing for In-Band QoS Signaling
Repurposes the UDP checksum field to embed quality of service signals, eliminating separate out-of-band signaling mechanisms.
- Residential Gateway Management via Fixed Local Addressing
Remote management of residential gateways uses a fixed local IP address to bypass authentication failures and dynamic IP allocation issues.
- TCP Congestion Control Parameter Adjustment for Mobile Wireless Networks
A session manager modifies TCP congestion control parameters using mobile system information to optimize data transmission rates.
- Packet Switch Congestion Control via Multi-Level Flow Regulation
Segmented congestion levels adjust transmission rates to prevent packet loss while maximizing switch fabric capacity utilization.
- Selective Satellite Data Encryption via XOR Key Generation
Satellite computers generate encryption keys from information blocks to secure data transmission against exposure risks during multi-operator resource sharing.
- Wireless Network Coverage Loss Recovery via Context Storage
Storing static and dynamic contexts at the base station reduces re-entry time by avoiding full authentication procedures during coverage loss.
- MPLS Path Condition Notification Logic for Network Reliability
Path condition change logic detects link failures and generates immediate notification messages to source nodes.
- Adaptive ARQ Block Size Adjustment for Low SNR Throughput
Transmitter device adjusts automatic repeat request block size based on receiver feedback to maintain target packet error rate under low signal-to-noise ratio conditions.
- OFDMA Relay Transmission Mode Control via Subcarrier Grouping
A method segments OFDM frequency bands into subcarrier groups to select optimal transmission modes for wireless relay systems.
- MAC Rate Selection for Wireless Error Control
Dynamic MAC rate selection adjusts layer parameters to maintain data transfer rates while controlling error rates across varying signal conditions.
- OFDM Mode and Guard Interval Detection via Correlation Analysis
Maximum correlation analysis detects OFDM mode and guard interval without pilot symbols, reducing error rates in communication systems.