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News While European operators are pressing ahead with rollouts of HSDPA networks - a type of 3.5G - their counterparts in the land of the rising sun are already working on the subsequent generation. NTT DoCoMo, Japan's largest mobile operator, will have...
[04 Jan 2007]
whitepaper While the first 3G deliveries are soon due to realisation, new ideas about the next generation have emerged the papers and conferences. For example terms Systems Beyond 3G, The Next Generation and 4G have been used to define the next step.
[27 Oct 2004]
whitepaper New data services, interactive TV and evolving Internet behavior will influence mobile data usage. Long sessions in always-on mode will force a re-think of radio access technology to achieve the required - but not easy to attain - capacity (Gbit/s...
[28 Nov 2006]
News Samsung is claiming to have cracked 4G, while most of the mobile industry couldn't tell you what it is yet. The electronics giant says it will demo 4G at the Samsung 4G Forum in Jeju Island in South Korea.
[31 Aug 2006]
Comment Written at the convention centre in Gwangju, South Korea and despatched to silicon.com via a free wi-fi connection For some time now there has been an intense industry debate as to what 4G mobile will be and when it will be available.
[05 Sep 2006]
whitepaper The exponential growth of cellular radio, WLANs and the Internet sets the context for a discussion on the role and objectives of 4G. In this paper OFDM is proposed as a leading candidate for a 4G cellular communications standard.
[11 Apr 2007]
whitepaper 4G mobile communications should not focus only on data-rate increase and new air-interface, but should, instead, converge the advanced wireless mobile communications and high-speed wireless access systems into an OWA platform, which becomes the...
[11 Apr 2007]
News Comcast and Time Warner Cable are looking to help bankroll a new joint venture between Sprint Nextel and Clearwire to deliver 4G wireless services, according to a report in the Wall Street Journal. Wireless from A to Z
[26 Mar 2008]
whitepaper Mobile broadband is all about the user experience. G mobile broadband will provide an order of magnitude improvement in performance, total cost of ownership and number of devices supported by the network.
[15 Sep 2007]
News Sprint Nextel plans to spend $3bn over the next two years to build a fourth-generation wireless network using WiMax technology. The wireless operator said on Tuesday it is partnering with Intel, Motorola and Samsung Electronics to build the network...
[09 Aug 2006]
whitepaper In this paper, an integration framework for 4G- network architecture between UMTS-GPRS system and 802.11 WLAN systems using MPLS as the underlying technology is developed. In 4G networks, to suffice the needs of users with relatively low mobility...
[21 Nov 2005]
News During a keynote speech at Yankee Group Research's Wireless Leadership Summit in New York on Tuesday, Sprint Nextel CEO Gary Forsee said the company, which officially closed the books on its $6.5bn merger with Nextel on Monday, is already looking...
[28 Jun 2006]
whitepaper In Korea, the development of 4G mobile system technologies is very actively carried on. The activities of 4G development in Korea will be introduced in this paper. In the first part, the current status of preparing the commercial WiBro service will...
[16 May 2006]
whitepaper Future 4G mobile communication networks are expected to provide all IP-based services for heterogeneous wireless access technologies, assisted by mobile IP to provide seamless Internet access for mobile users.
[24 May 2006]
whitepaper In this paper, various adaptive modulation based coded MC-CDMA systems have been studied in Rayleigh fast fading environment for the 4G wireless based consumer applications. The digital modulation schemes considered are M-ary QAM, M-ary PSK, M-ary...
[16 Jun 2006]
News China and Japan have decided to get together to develop the next generation of mobile telephony: 4G. An agreement to that effect will be signed on 26 August in Tokyo between state representatives, a spokesman for the Japanese ministry for interior...
[25 Aug 2005]
whitepaper This paper describes an OFDM based 4G downlink for a wide area coverage and high mobility system. User data are multiplexed and OFDM modulated such that the user with the best predicted channel conditions are always using the channel.
[14 Apr 2007]
whitepaper This paper presents results from an experimental study of TCP in a wireless 4G evaluation system. Test-bed results on transport layer performance are presented and analyzed in relation to several link layer aspects.
[26 Dec 2007]
News Japan and China plan joint experiments on a new generation internet-capable mobile phone for high-speed data transmissions that will work in both countries at far higher speeds than current 3G phones.
[26 Nov 2003]
whitepaper This paper advocates cross-layer optimization over the whole ISO/OSI protocol stack. As an example this paper refers to a system using multiple description coding at application layer combined with orthogonal frequency division multiplexing at the...
[10 Apr 2008]
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