On the capacity improvement of ad hoc wireless networks using directional antennas
Proceedings of the 4th ACM international symposium on Mobile ad hoc networking & computing
Throughput capacity of random ad hoc networks with infrastructure support
Proceedings of the 9th annual international conference on Mobile computing and networking
The number of neighbors needed for connectivity of wireless networks
Wireless Networks
Capacity bounds for ad hoc and hybrid wireless networks
ACM SIGCOMM Computer Communication Review
Optimal throughput-delay scaling in wireless networks: part I: the fluid model
IEEE/ACM Transactions on Networking (TON) - Special issue on networking and information theory
Asymptotic Capacity of Infrastructure Wireless Mesh Networks
IEEE Transactions on Mobile Computing
Capacity and delay of hybrid wireless broadband access networks
IEEE Journal on Selected Areas in Communications - Special issue on broadband access networks: Architectures and protocols
The capacity of wireless networks
IEEE Transactions on Information Theory
Optimal Throughput–Delay Scaling in Wireless Networks—Part II: Constant-Size Packets
IEEE Transactions on Information Theory
Hierarchical Cooperation Achieves Optimal Capacity Scaling in Ad Hoc Networks
IEEE Transactions on Information Theory
Capacity scaling in free-space-optical mobile ad hoc networks
Ad Hoc Networks
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In this paper the per-node throughput and end-to-end delay of randomly deployed (i.e. ad-hoc) hybrid radio frequency - free space optics (RF/FSO) networks are studied. The hybrid RF/FSO network consists of an RF ad hoc network of n nodes, f(n) of them, termed `super nodes', are equipped with an additional FSO transceiver with transmission range s(n). Every RF and FSO transceiver is able to transmit at a maximum data rate of W 1 and W 2 bits/sec, respectively. An upper bound on the per node throughput capacity is derived. In order to prove that this upper bound is achievable, a hybrid routing scheme is designed whereby the data traffic is divided into two classes and assigned different forwarding strategies. The capacity improvement with the support of FSO nodes is evaluated and compared against the corresponding results for pure RF wireless networks. Under optimal throughput scaling, the scaling of average end-to-end delay is derived. A significant gain in throughput capacity and a notable reduction in delay will be achieved if $$f(n) = \Upomega\left(\frac{1}{s(n)}\sqrt{\frac{n}{\log n}}\cdot \frac{W_1}{W_2} \right)$$ . Furthermore, it is found that for fixed W 1, f(n) and n where f(n) n, there is no capacity incentive to increase the FSO data rate beyond a critical value. In addition, both throughput and delay can achieve linear scaling by properly adjusting the FSO transmission range and the number of FSO nodes.