TY - JOUR
T1 - Comparing power consumptions of collaborative and non-collaborative systems
AU - Emamian, Vahid
AU - Kaveh, Mostafa
PY - 2002
Y1 - 2002
N2 - In a collaborative wireless network, communicating nodes collaborate in routing and/or improving the quality of transmission of each other’s packets. This is especially useful when the channel between a pair of nodes (source and destination) is in a deep shadow-fading state. In this situation increasing the power level may either not resolve the problem or be too power consuming, while generating interference for other receivers on the same channel. A collaborating node, which has good propagation channels to both the source and the destination, may be used to relay the packets between them. In this paper we compare the average amounts of power consumed by nodes in a standard wireless network that uses single-hop transmission and a collaborative wireless network that uses two-hop transmission. It is shown that under certain conditions the ratio of the average power consumptions in the two networks, when N collaborating nodes on average are available for each node, can be approximated bykInN + q. The constants k and q are related to the propagation channel For a Nakagami fading channel with parameter m, k = 1/In and q = 1, while for a shadowing channel with standard deviation σdB, k = σdB / √π and q = 0.23 σdB.
AB - In a collaborative wireless network, communicating nodes collaborate in routing and/or improving the quality of transmission of each other’s packets. This is especially useful when the channel between a pair of nodes (source and destination) is in a deep shadow-fading state. In this situation increasing the power level may either not resolve the problem or be too power consuming, while generating interference for other receivers on the same channel. A collaborating node, which has good propagation channels to both the source and the destination, may be used to relay the packets between them. In this paper we compare the average amounts of power consumed by nodes in a standard wireless network that uses single-hop transmission and a collaborative wireless network that uses two-hop transmission. It is shown that under certain conditions the ratio of the average power consumptions in the two networks, when N collaborating nodes on average are available for each node, can be approximated bykInN + q. The constants k and q are related to the propagation channel For a Nakagami fading channel with parameter m, k = 1/In and q = 1, while for a shadowing channel with standard deviation σdB, k = σdB / √π and q = 0.23 σdB.
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U2 - 10.1109/ACSSC.2002.1197161
DO - 10.1109/ACSSC.2002.1197161
M3 - Article
AN - SCOPUS:0037967571
SN - 1058-6393
VL - 1
SP - 123
EP - 126
JO - Conference Record of the Asilomar Conference on Signals, Systems and Computers
JF - Conference Record of the Asilomar Conference on Signals, Systems and Computers
ER -