Access and mobility of wireless PDA users Export

@article{citeulike:2204252, abstract = {In this paper, we analyze the mobility patterns of users of wireless hand-held PDAs in a campus wireless network using an eleven week trace of wireless network activity. Our study has two goals. First, we characterize the high-level mobility and access patterns of hand-held PDA users and compare these characteristics to previous workload mobility studies focused on laptop users. Second, we develop two wireless network topology models for use in wireless mobility studies: an evolutionary topology model based on user proximity and a campus waypoint model that serves as a trace-based complement to the random waypoint model. We use our evolutionary topology model as a case study for preliminary evaluation of three ad hoc routing algorithms on the network topologies created by the access and mobility patterns of users of modern wireless PDAs. Based upon the mobility characteristics of our trace-based campus waypoint model, we find that commonly parameterized synthetic mobility models have overly aggressive mobility characteristics for scenarios where user movement is limited to walking. Mobility characteristics based on realistic models can have significant implications for evaluating systems designed for mobility. When evaluated using our evolutionary topology model, for example, popular ad hoc routing protocols were very successful at adapting to user mobility, and user mobility was not a key factor in their performance.}, address = {New York, NY, USA}, author = {McNett, Marvin and Voelker, Geoffrey M.}, citeulike-article-id = {2204252}, citeulike-linkout-0 = {http://portal.acm.org/citation.cfm?id=1072995}, citeulike-linkout-1 = {http://dx.doi.org/10.1145/1072989.1072995}, doi = {10.1145/1072989.1072995}, issn = {1559-1662}, journal = {SIGMOBILE Mob. Comput. Commun. Rev.}, keywords = {characterization, mobile, networks}, month = {April}, number = {2}, pages = {40--55}, posted-at = {2009-08-28 18:58:18}, priority = {2}, publisher = {ACM}, title = {Access and mobility of wireless PDA users}, url = {http://dx.doi.org/10.1145/1072989.1072995}, volume = {9}, year = {2005} }

TY - JOUR ID - citeulike:2204252 L3 - citeulike-article-id:2204252 N2 - In this paper, we analyze the mobility patterns of users of wireless hand-held PDAs in a campus wireless network using an eleven week trace of wireless network activity. Our study has two goals. First, we characterize the high-level mobility and access patterns of hand-held PDA users and compare these characteristics to previous workload mobility studies focused on laptop users. Second, we develop two wireless network topology models for use in wireless mobility studies: an evolutionary topology model based on user proximity and a campus waypoint model that serves as a trace-based complement to the random waypoint model. We use our evolutionary topology model as a case study for preliminary evaluation of three ad hoc routing algorithms on the network topologies created by the access and mobility patterns of users of modern wireless PDAs. Based upon the mobility characteristics of our trace-based campus waypoint model, we find that commonly parameterized synthetic mobility models have overly aggressive mobility characteristics for scenarios where user movement is limited to walking. Mobility characteristics based on realistic models can have significant implications for evaluating systems designed for mobility. When evaluated using our evolutionary topology model, for example, popular ad hoc routing protocols were very successful at adapting to user mobility, and user mobility was not a key factor in their performance. IS - 2 JF - SIGMOBILE Mob. Comput. Commun. Rev. SN - 1559-1662 AD - New York, NY, USA EP - 55 TI - Access and mobility of wireless PDA users PB - ACM VL - 9 SP - 40 KW - characterization KW - mobile KW - networks AU - McNett, Marvin AU - Voelker, Geoffrey PY - 2005/04// UR - http://dx.doi.org/10.1145/1072989.1072995 ER -