<span>This paper presents three planning models for optimal routing of radial distribution systems. In the first two models, cost function includes capital lines, energy loss cost, and bays cost. The constraints equations include power balance equations, voltage drop radiality logic thermal limit bus equations. model considers equation in its quadratic form while second approximates each ...

Traffic routing plays a critical role in determining the performance of a wireless mesh network. Recent research results usually fall into two ends of the spectrum. On one end are the heuristic routing algorithms, which are highly adaptive to the dynamic environments of wireless networks yet lack the analytical properties of how well the network performs globally. On the other end are the optim...

A common approach to the over-the-cell channel routing problem is to divide the problem into three steps: (1) routing over the cells, (2) choosing net segments, (3) routing within the channel. In this paper, we show that the first step can be reduced to the problem of finding a maximum independent set of a circle graph, and thus, can be solved optimally in quadratic time. Also, we show that to ...

In this paper, we explore physical layer cooperative communication in order to design network layer routing algorithms that are energy efficient. We assume each node in the network is equipped with a single omnidirectional antenna and that multiple nodes are able to coordinate their transmissions in order to take advantage of spatial diversity to save energy. Specifically, we consider cooperati...

We investigate the routing problem in parallel relay networks consisting of a source sending information to a destination via relays. To exploit the broadcasting nature of the wireless channel, the source broadcasts to the relays and the relays forward the decoded information to the destination. The flow rates on all links in the network are selected to minimize the average transmit power requi...