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News Outside wi-fi zones, the phones have to run on a GPRS cellular network - rather than 3G - which means browsing will be much slower. While BT ToGo phones can make use of wi-fi at home or via BT hotspots for mobile VoIP, there is no ability for calls...
[08 May 2008]
News Cellular machine-to-machine (M2M) connections are set to rise by more than a third in the next four years, analyst Berg Insight predicts, driven by rollouts of vehicle telematics. But the analyst predicts vehicle telematics - aka wireless vehicle...
[06 May 2008]
News The analyst points to an impressive array of radio access techs already in play - from cellular in its various forms, to 3G and HSPA data networks, to video broadcast techs such as DVB-H, to short-range connectivity techs such as Bluetooth, along...
[02 May 2008]
News The client relies on the ordinary cellular infrastructure for certain portions of the call, meaning users will always pay their usual local or national rate to make calls, according to Skype. Skype has released a test version of a client for Java...
[30 Apr 2008]
whitepaper GSM wireless operators worldwide are racing to deploy packet data networking capabilities on top of their existing circuit switched cellular networks. This paper will discuss in detail the role of an AAA solution on the next-generation networks.
[14 Apr 2008]
News Comparing the two competing technologies to another pair of competing standards - GSM and CDMA - Kellett said GSM is the dominant cellular technology globally because it was first to market. Garth Collier, managing director of Intel's WiMax...
[11 Apr 2008]
whitepaper Multiple transmit and receive antennas, and the diverse matrix channel they create, are frequently touted as the key to increasing capacity in future cellular communication systems. In this paper, the effectiveness of spatial multiplexing in the...
[10 Apr 2008]
whitepaper It will then compare this to what is achievable with Wi-Fi (802.11b) using the Tropos cellular mesh. This paper explores the tradeoffs and limitations inherent to 3G data communications, by analyzing the performance of 1xEV-DO, a representative 3G...
[10 Apr 2008]
whitepaper The RD3C was designed to provide advanced wireless capability, independent of U.S cellular service while maintaining full interoperability with a user’s legacy switching equipment. The system is scalable, micro-cellular application capable of...
[10 Apr 2008]
whitepaper The global demand for cellular communications networks and services is expanding rapidly. ERDAS IMAGINE and IMAGINE VirtualGIS provide key data synthesis and analysis capabilities in support of cellular network infrastructure planning.
[10 Apr 2008]
whitepaper This paper provides a high level overview of 2G and 3G wireless cellular technologies and the expected evolutionary path between them. The technical aspects of each technology are discussed with an emphasis on understanding key characteristics of...
[10 Apr 2008]
whitepaper The design of modern cellular handsets places even more stringent requirements on the transceiver portion. Although the radio part of the handset is divorced from the user interface by sophisticated software, it is nonetheless absolutely essential...
[10 Apr 2008]
whitepaper A formula that computes the maximum number of users supported per base station in a cellular radio network is generalized to consider the frequency reuse number and arbitrary processing gains. The generalization quantifies a cost associated with in...
[10 Apr 2008]
whitepaper Multiuser orthogonal frequency division multiplexing (MU-OFDM) is a promising technique for achieving high downlink capacities in future cellular and wireless LAN systems. The sum capacity of MU-OFDM is maximized when each subchannel is assigned to...
[10 Apr 2008]
whitepaper Traffic data from a cellular wireless data network and extracted user workload characteristics for two device groups. Wireless data networks will have a mix of user workloads since there will be a variety of wireless data terminal devices.
[10 Apr 2008]
whitepaper Following a brief discussion of the compelling reasons for deploying signaling gateways in telephony networks, different types of deployments are investigated, including long distance IPT, text messaging offload for cellular networks and 3rd...
[10 Apr 2008]
whitepaper In fact, the advent of cellular Internet services will greatly exacerbate this problem. The Internet is huge; it is ubiquitous. It has become a truly massive entity. The Internet is also in constant motion, growing and expanding at an unpredictable...
[10 Apr 2008]
whitepaper This paper examines the performance of a specific MD video coder on a specific real system, namely the Enhanced General Packet Radio Services (EGPRS) cellular network. For an accurate basis of comparison, it examines the performance of one and two...
[10 Apr 2008]
News Aircrafts must also install a network control unit to prevent onboard phones trying to connect with land-based cellular networks which are not designed to cope with such high speed movement, and also to ensure mobiles do not interfere with cabin...
[08 Apr 2008]
News Alan Hadden, president of the GSA, said 3.5G is achieving better growth rates than other cellular technologies. There are now 637 high speed downlink packet access products on the market, with almost half (303) of them being mobile phones.
[07 Apr 2008]
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