Abstract
In this paper, we consider a decode-and-forward-based wireless multihop network with a single source node, a single destination node, and N intermediate nodes. To increase the spectral efficiency and energy efficiency of the system, we propose a cooperative multihop communication protocol with spatial reuse, in which interference is treated as noise or can be canceled. The performance of a spatial-reused space-time-coded cooperative multihop network is analyzed over Rayleigh fading channels. In particular, the exact closed-form expression for the outage probability at the nth receiving node is derived when there are multiple interference sources over non-i.i.d. Rayleigh fading channels. Furthermore, the outage probability expressions are derived when nodes are equipped with more than one antenna. In addition, to reduce the effect of interference on multihop transmission, we propose a simple power control scheme that is only dependent on the statistical knowledge of channels. In the second approach for managing the interference, linear interference cancelation schemes are employed for both noncooperative and cooperative spatial-reused multihop transmissions. Finally, the analytic results were confirmed by simulations. Simulation results show that the spatial-reused multihop transmission outperforms the interference-free multihop transmission in terms of energy efficiency in low- and medium-signal-to-noise scenarios.
| Original language | English |
|---|---|
| Article number | 6935004 |
| Pages (from-to) | 3778-3790 |
| Number of pages | 13 |
| Journal | IEEE Transactions on Communications |
| Volume | 62 |
| Issue number | 11 |
| DOIs | |
| State | Published - Nov 1 2014 |
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Keywords
- interference suppression
- multihop networks
- Performance analysis
- power allocation
- Rayleigh channels
ASJC Scopus subject areas
- Electrical and Electronic Engineering
Cite this
Interference analysis and management for spatially reused cooperative multihop wireless networks. / Maham, Behrouz; Saad, Walid; Debbah, Merouane; Han, Zhu.
In: IEEE Transactions on Communications, Vol. 62, No. 11, 6935004, 01.11.2014, p. 3778-3790.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Interference analysis and management for spatially reused cooperative multihop wireless networks
AU - Maham, Behrouz
AU - Saad, Walid
AU - Debbah, Merouane
AU - Han, Zhu
PY - 2014/11/1
Y1 - 2014/11/1
N2 - In this paper, we consider a decode-and-forward-based wireless multihop network with a single source node, a single destination node, and N intermediate nodes. To increase the spectral efficiency and energy efficiency of the system, we propose a cooperative multihop communication protocol with spatial reuse, in which interference is treated as noise or can be canceled. The performance of a spatial-reused space-time-coded cooperative multihop network is analyzed over Rayleigh fading channels. In particular, the exact closed-form expression for the outage probability at the nth receiving node is derived when there are multiple interference sources over non-i.i.d. Rayleigh fading channels. Furthermore, the outage probability expressions are derived when nodes are equipped with more than one antenna. In addition, to reduce the effect of interference on multihop transmission, we propose a simple power control scheme that is only dependent on the statistical knowledge of channels. In the second approach for managing the interference, linear interference cancelation schemes are employed for both noncooperative and cooperative spatial-reused multihop transmissions. Finally, the analytic results were confirmed by simulations. Simulation results show that the spatial-reused multihop transmission outperforms the interference-free multihop transmission in terms of energy efficiency in low- and medium-signal-to-noise scenarios.
AB - In this paper, we consider a decode-and-forward-based wireless multihop network with a single source node, a single destination node, and N intermediate nodes. To increase the spectral efficiency and energy efficiency of the system, we propose a cooperative multihop communication protocol with spatial reuse, in which interference is treated as noise or can be canceled. The performance of a spatial-reused space-time-coded cooperative multihop network is analyzed over Rayleigh fading channels. In particular, the exact closed-form expression for the outage probability at the nth receiving node is derived when there are multiple interference sources over non-i.i.d. Rayleigh fading channels. Furthermore, the outage probability expressions are derived when nodes are equipped with more than one antenna. In addition, to reduce the effect of interference on multihop transmission, we propose a simple power control scheme that is only dependent on the statistical knowledge of channels. In the second approach for managing the interference, linear interference cancelation schemes are employed for both noncooperative and cooperative spatial-reused multihop transmissions. Finally, the analytic results were confirmed by simulations. Simulation results show that the spatial-reused multihop transmission outperforms the interference-free multihop transmission in terms of energy efficiency in low- and medium-signal-to-noise scenarios.
KW - interference suppression
KW - multihop networks
KW - Performance analysis
KW - power allocation
KW - Rayleigh channels
UR - http://www.scopus.com/inward/record.url?scp=84912570054&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84912570054&partnerID=8YFLogxK
U2 - 10.1109/TCOMM.2014.2364609
DO - 10.1109/TCOMM.2014.2364609
M3 - Article
AN - SCOPUS:84912570054
VL - 62
SP - 3778
EP - 3790
JO - IEEE Transactions on Communications
JF - IEEE Transactions on Communications
SN - 0096-1965
IS - 11
M1 - 6935004
ER -