Abstract
In this paper, we discuss energy efficient broadcast in ad hoc wireless networks. The problem of our concern is: given an ad hoc wireless network, to find a broadcast tree such that the energy cost of the broadcast tree is minimized. Each node in the network is assumed to have a fixed level of transmission power. We first prove that the problem is NP-hard, and propose three heuristic algorithms, namely shortest path tree heuristic, greedy heuristic and node weighted Steiner tree based heuristic. The approximation ratio of the set-cover based heuristic is proved to be (1+2ln(n-1)). Extensive simulations have been conducted and the results have demonstrated the efficiency of the proposed algorithms. © 2003 IEEE
| Original language | English |
|---|---|
| Title of host publication | GLOBECOM '03 - IEEE Global Telecommunications Conference |
| Publisher | IEEE |
| Pages | 367-371 |
| Volume | 1 |
| ISBN (Print) | 0-7803-7974-8 |
| DOIs | |
| Publication status | Published - Dec 2003 |
| Event | 2003 IEEE Global Telecommunications Conference (GLOBECOM'03) - San Francisco, CA, United States Duration: 1 Dec 2003 → 5 Dec 2003 |
Conference
| Conference | 2003 IEEE Global Telecommunications Conference (GLOBECOM'03) |
|---|---|
| Place | United States |
| City | San Francisco, CA |
| Period | 1/12/03 → 5/12/03 |
Bibliographical note
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