Sciweavers

Share
ICDCS
2005
IEEE

Handling Asymmetry in Power Heterogeneous Ad Hoc Networks: A Cross Layer Approach

9 years 3 months ago
Handling Asymmetry in Power Heterogeneous Ad Hoc Networks: A Cross Layer Approach
Power heterogeneous ad hoc networks are characterized by link layer asymmetry: the ability of lower power nodes to receive transmissions from higher power nodes but not vice versa. This not only poses challenges at the routing layer, but also results in an increased number of collisions at the MAC layer due to high power nodes initiating transmissions while low power communications are in progress. Previously proposed routing protocols for handling unidirectional links largely ignore MAC layer dependencies. In this paper, we propose a cross layer framework that effectively improves the performance of the MAC layer in power heterogeneous ad hoc networks. In addition, our approach seamlessly supports the identiļ¬cation and usage of unidirectional links at the routing layer. The framework is based on intelligently propagating low power MAC layer control messages to higher power nodes so as to preclude them from initiating transmissions while the low power communications are in progress ...
Vasudev Shah, Srikanth V. Krishnamurthy
Added 24 Jun 2010
Updated 24 Jun 2010
Type Conference
Year 2005
Where ICDCS
Authors Vasudev Shah, Srikanth V. Krishnamurthy
Comments (0)
books