Impact of Multi-connectivity on Channel Capacity and Outage Probability in Wireless Networks
Lotte Weedage, Clara Stegehuis, Suzan Bayhan

TL;DR
This paper analyzes the effects of multi-connectivity in wireless networks where all users are connected to multiple base stations, revealing that while throughput decreases with more links, outage resilience and fairness improve, guiding targeted deployment.
Contribution
It provides an analytical framework for evaluating per-user throughput and outage probability in fully multi-connected networks, challenging prior assumptions about throughput benefits.
Findings
Per-user throughput decreases as the number of connections increases.
Multi-connectivity enhances network resilience against failures.
It improves fairness among users, especially benefiting cell edge users.
Abstract
Multi-connectivity facilitates higher throughput, shorter delay, and lower outage probability for a user in a wireless network. Considering these promises, a rationale policy for a network operator would be to implement multi-connectivity for all of its users. In this paper, we investigate whether the promises of multi-connectivity also hold in such a setting where all users of a network are connected through multiple links. In particular, we consider a network where every user connects to its k closest base stations. Using a framework of stochastic geometry and probability theory, we obtain analytic expressions for per-user throughput and outage probability of -connectivity networks under several failure models. In contrast to the conclusions of previous research, our analysis shows that per-user throughput decreases with increasing k. However, multi-connected networks are more…
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Taxonomy
TopicsCooperative Communication and Network Coding · Mobile Ad Hoc Networks · Advanced MIMO Systems Optimization
