{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,29]],"date-time":"2025-10-29T03:30:14Z","timestamp":1761708614425,"version":"3.41.0"},"reference-count":23,"publisher":"Association for Computing Machinery (ACM)","issue":"1","license":[{"start":{"date-parts":[[2010,12,1]],"date-time":"2010-12-01T00:00:00Z","timestamp":1291161600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":["ACM Trans. Model. Comput. Simul."],"published-print":{"date-parts":[[2010,12]]},"abstract":"<jats:p>Ultra-WideBand (UWB) communications has emerged as a promising technology for high data rate Wireless Personal Area Networks (WPANs). In this article, we address two key issues that impact the performance of a multihop UWB-based WPAN: throughput and transmission range. Arbitrary selection of routes in such a network may result in reserving an unnecessarily long channel time, and hence low network throughput and high blocking rate for prospective reservations. To remedy this situation, we propose a novel cross-layer resource allocation design. At the core of this design is a routing technique (called RTERU) that uses the allocated channel time as a routing metric. RTERU exploits the dependence of this metric on the multiple-rate capability of an UWB system. We show that selecting the route that consumes the minimum channel time while satisfying a target packet delivery probability over the selected route is an NP-hard problem. Accordingly, RTERU resorts to approximate path selection algorithms (implemented proactively and reactively) to find near-optimal solutions at reasonable computational\/communication overhead. We further enhance the performance of RTERU by integrating into its design a packet overhearing capability. Simulations are used to demonstrate the performance of our proposed solutions.<\/jats:p>","DOI":"10.1145\/1870085.1870093","type":"journal-article","created":{"date-parts":[[2010,12,14]],"date-time":"2010-12-14T16:00:46Z","timestamp":1292342446000},"page":"1-26","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":6,"title":["Cross-layer design for efficient resource utilization in wimedia UWB-based WPANs"],"prefix":"10.1145","volume":"21","author":[{"given":"Raed","family":"Al-Zubi","sequence":"first","affiliation":[{"name":"University of Arizona, Tucson, AZ"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marwan","family":"Krunz","sequence":"additional","affiliation":[{"name":"University of Arizona, Tucson, AZ"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2010,12,17]]},"reference":[{"key":"e_1_2_2_1_1","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2005.863867"},{"volume-title":"Network Flows: Theory, Algorithm, and Applications","year":"1993","author":"Ahuja R.","key":"e_1_2_2_2_1"},{"key":"e_1_2_2_3_1","doi-asserted-by":"publisher","DOI":"10.1287\/opre.36.5.703"},{"key":"e_1_2_2_4_1","doi-asserted-by":"publisher","DOI":"10.1109\/TMTT.2004.834184"},{"key":"e_1_2_2_5_1","doi-asserted-by":"publisher","DOI":"10.1145\/1080091.1080108"},{"key":"e_1_2_2_6_1","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2007.907035"},{"key":"e_1_2_2_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/0377-2217(87)90165-2"},{"edition":"3","volume-title":"ECMA-368","author":"European Computer Manufacturers Association 2008.","key":"e_1_2_2_8_1"},{"key":"e_1_2_2_9_1","unstructured":"FCC 2002. First Report and Order: In the Matter of Revision of Part 15 of the Commissions Rules Regarding Ultra-Wideband Transmission Systems. FCC.  FCC 2002. First Report and Order: In the Matter of Revision of Part 15 of the Commissions Rules Regarding Ultra-Wideband Transmission Systems. FCC."},{"key":"e_1_2_2_10_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF02575896"},{"volume-title":"Proceedings of the IEEE Wireless Communications, Networking, and Mobile Computing International Conference (WiCOM).","author":"Gao H.","key":"e_1_2_2_11_1"},{"key":"e_1_2_2_12_1","first-page":"1252","article-title":"Support of efficient route discovery in mobile ad hoc access networks. IEICE","volume":"4","author":"Hsu C.","year":"2006","journal-title":"Trans. Comm. E89-B"},{"key":"e_1_2_2_13_1","doi-asserted-by":"publisher","DOI":"10.1145\/1402958.1403004"},{"key":"e_1_2_2_14_1","unstructured":"Kim K. Park S. Montenegro G. 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