Throughput Capacity of UWB Ad-Hoc Networks with Infrastructure Support

To provide scalable capacity of wireless ad-hoc networks, we employ a joint approach of both Ultra-Wide-Band (UWB) radio and hybrid architecture (ad-hoc network with infrastructure support). By using the AP(access point)-assisted percolation model, and utilizing sufficiently wide bandwidth under per-link power constraint, we find the asymptotic per-node throughput capacity of a UWB hybrid network in a unit disk area, as a function of the number of randomly distributed nodes, the number of randomly distributed AP, and the path loss exponent. This result shows an asymptotically significant factor of improvement in capacity by deploying AP, compared to the recent result for UWB pure ad-hoc network. An extension of the result in the more general D-dimensional space is also obtained.

[1]  Rohit Negi,et al.  Capacity of power constrained ad-hoc networks , 2004, IEEE INFOCOM 2004.

[2]  Andrea J. Goldsmith,et al.  Capacity regions for wireless ad hoc networks , 2003, IEEE Trans. Wirel. Commun..

[3]  Donald F. Towsley,et al.  On the capacity of hybrid wireless networks , 2003, IEEE INFOCOM 2003. Twenty-second Annual Joint Conference of the IEEE Computer and Communications Societies (IEEE Cat. No.03CH37428).

[4]  Massimo Franceschetti,et al.  Information theoretic bounds on the throughput scaling of wireless relay networks , 2005, Proceedings IEEE 24th Annual Joint Conference of the IEEE Computer and Communications Societies..

[5]  Gustavo de Veciana,et al.  Capacity of ad hoc wireless networks with infrastructure support , 2005, IEEE Journal on Selected Areas in Communications.

[6]  Massimo Franceschetti,et al.  Closing the gap in the capacity of random wireless networks , 2004, International Symposium onInformation Theory, 2004. ISIT 2004. Proceedings..

[7]  Panganamala Ramana Kumar,et al.  RHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULE AACHEN , 2001 .

[8]  Jennifer C. Hou,et al.  Capacity of wireless ad-hoc networks under ultra wide band with power constraint , 2005, Proceedings IEEE 24th Annual Joint Conference of the IEEE Computer and Communications Societies..

[9]  Panganamala Ramana Kumar,et al.  A network information theory for wireless communication: scaling laws and optimal operation , 2004, IEEE Transactions on Information Theory.

[10]  Stavros Toumpis,et al.  Capacity bounds for three classes of wireless networks: asymmetric, cluster, and hybrid , 2004, MobiHoc '04.

[11]  Leandros Tassiulas,et al.  Throughput capacity of random ad hoc networks with infrastructure support , 2003, MobiCom '03.

[12]  Massimo Franceschetti,et al.  On the throughput capacity of random wireless networks , 2004 .

[13]  I. Glauche,et al.  Continuum percolation of wireless ad hoc communication networks , 2003, cond-mat/0304579.

[14]  P. R. Kumar,et al.  Internets in the sky: The capacity of three-dimensional wireless networks , 2001, Commun. Inf. Syst..