IEEE Transactions on Mobile Computing focuses on the key technical issues related to (a) architectures, (b) support services, (c) algorithm/protocol design and analysis, (d) mobile environments, (e) mobile communication systems, (f) applications, and (g) emerging technologies. Topics of interest include, but are not limited to, the following: a) Architectures - Mobile networks and hosts, Agents and proxies, Mobility management, mobile agent and proxy architectures Integrated wireline and wireless systems, Planning and standardization. b) Support Services - Mobility and roaming, Nomadic computing, Multimedia Operating system support, Power management. c) Algorithm/Protocol Design and Analysis - Online and mobile environments, Limited bandwidth, Intermittent connectivity. d) Mobile Environments - Data and knowledge management, Performance modeling and characterization, Security, scalability and reliability, Design, management and operation, Systems and technologies. e) Mobile Communication Systems - Wireless, cellular and spread-spectrum systems, Multi-user and multi-access techniques and algorithms, Multi-channel processing, Channel coding, Data coding and compression. f) Applications - Location-dependent and sensitive, Nomadic computing, Wearable computers and body area networks, Multimedia applications and multimedia signal processing, Pervasive computing, Wireless sensor networks. g) Emerging Technologies.