HYBRID DECODER FOR CODED ALOHA WITH TIME SLOTS
DE602018085690T2Active Publication Date: 2025-09-17FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV
0 Cites 0 Cited by
Patent Information
- Application Number
- DE602018085690
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2017-08-28
- Filing Date
- 2018-08-24
- Publication Date
- 2025-09-17
- Estimated Expiration
- 2038-08-24
AI Technical Summary
Technical Problem
Existing communication networks face challenges in improving transmission reliability due to an increasing number of users and resulting collisions, particularly in Machine to Machine (M2M) scenarios with low latency requirements.
Method used
A hybrid decoder is employed that jointly performs Slotted ALOHA (SA) and Low Density Parity Check (LDPC) decoding, using a parallel two-layer Tanner Graph to iteratively update probability information and resolve collisions through concurrent message passing between SA and LDPC check nodes.
Benefits of technology
The hybrid decoder significantly improves packet error rate performance by around 2 dB compared to sequential decoders, effectively handling collisions and ensuring reliable, low-latency communication in M2M IoT networks.
✦ Generated by Eureka AI based on patent content.
Need to check novelty before this filing date? Find Prior Art
No text content released.