INLyD: Inter-network-layer delay as a low-cost quality metric for multi-hop routing in wireless mobile networks

Jazyk: angličtina
Rok vydání: 2016
Předmět:
Popis: The need for authentic and effective portrayal of the spatiotemporally changing quality of wireless links has gained wide attention especially over the last decade. Software-based link quality estimators (LQE) classify links with help of packet reception ratio (PRR), required number of packet transmissions (RNP) and scoring/grading schemes that again utilize PRR, RNP or retransmission based heuristics. On the contrary, this paper makes a case for inter-network-layer delay as a classification metric to boost end-To-end packet delivery in multi-hop communication. In essence our Inter-Network-Layer Delay metric (INLyD) uses a simplistic receiver-side in-band signaling scheme to passively accumulate queuing, retrying, back-off, transmission and propagation delay statistics while generating no additional control packet overhead. Our experiments show that the INLyD metric is not only light-weight (25% less MAC transmissions required per node) but substantially outperforms proactive broadcast based estimation schemes in static and mobile scenarios (1.7 and 1.2 times more end-To-end UDP delivery respectively for the performed experiments).
Databáze: OpenAIRE