iPack: in-Network Packet Mixing for High Throughput Wireless Mesh Networks Export

@inproceedings{citeulike:3401701, abstract = {A major barrier for the adoption of wireless mesh networks is severe limits on throughput. Many in-network packet mixing techniques at the network layer [1], [2], [3] as well as the physical layer [4], [5], [6] have been shown to substantially improve throughput. However, the optimal mixing algorithm that maximizes throughput is still unknown. In this paper, we propose iPack, an algorithm for in-network generation of composite packets that integrates coding at two different layers of the protocol stack: XOR-based network coding and physical layer superposition coding. Using extensive simulations, we find that the throughput gain of the joint coding iPack algorithm is 30\% more than the better performer of network coding and superposition coding in a wide range of scenarios, and automatically takes advantage of the best available coding opportunities. In a typical wireless mesh network when more traffic is between the clients and access points, the average throughput improvement of iPack, our joint optimization scheduler, can be 324\%, while there can be little gain (less than 10\%) if network coding alone is used. We also validate our results by implementing iPack on a small-scale testbed based on GNU Radio.}, author = {Alimi, R. and Li, Li and Ramjee, R. and Viswanathan, H. and Yang, Y. R.}, booktitle = {INFOCOM 2008. The 27th Conference on Computer Communications. IEEE}, citeulike-article-id = {3401701}, citeulike-linkout-0 = {http://dx.doi.org/10.1109/INFOCOM.2008.22}, citeulike-linkout-1 = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4509617}, doi = {10.1109/INFOCOM.2008.22}, journal = {INFOCOM 2008. The 27th Conference on Computer Communications. IEEE}, keywords = {spcnc}, pages = {66--70}, posted-at = {2008-10-13 19:01:30}, priority = {5}, title = {iPack: in-Network Packet Mixing for High Throughput Wireless Mesh Networks}, url = {http://dx.doi.org/10.1109/INFOCOM.2008.22}, year = {2008} }

TY - CONF ID - citeulike:3401701 L3 - citeulike-article-id:3401701 N2 - A major barrier for the adoption of wireless mesh networks is severe limits on throughput. Many in-network packet mixing techniques at the network layer [1], [2], [3] as well as the physical layer [4], [5], [6] have been shown to substantially improve throughput. However, the optimal mixing algorithm that maximizes throughput is still unknown. In this paper, we propose iPack, an algorithm for in-network generation of composite packets that integrates coding at two different layers of the protocol stack: XOR-based network coding and physical layer superposition coding. Using extensive simulations, we find that the throughput gain of the joint coding iPack algorithm is 30% more than the better performer of network coding and superposition coding in a wide range of scenarios, and automatically takes advantage of the best available coding opportunities. In a typical wireless mesh network when more traffic is between the clients and access points, the average throughput improvement of iPack, our joint optimization scheduler, can be 324%, while there can be little gain (less than 10%) if network coding alone is used. We also validate our results by implementing iPack on a small-scale testbed based on GNU Radio. JF - INFOCOM 2008. The 27th Conference on Computer Communications. IEEE EP - 70 TI - iPack: in-Network Packet Mixing for High Throughput Wireless Mesh Networks T2 - INFOCOM 2008. The 27th Conference on Computer Communications. IEEE SP - 66 KW - spcnc AU - Alimi, R AU - Li, Li AU - Ramjee, R AU - Viswanathan, H AU - Yang, YR PY - 2008/// UR - http://dx.doi.org/10.1109/INFOCOM.2008.22 ER -