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News Unveiled on Monday, the BlackBerry Bold - also known as the BlackBerry 9000 - includes not only tri-band HSDPA but also integrated GPS and 802.11a/b/g wi-fi. RIM has launched the first of its BlackBerry smart phones to include high-speed HSDPA...
[13 May 2008]
News Another hurdle for mobile WiMax is spectrum allocation in the 2.5GHz band, something that will become possible through an Ofcom auction later this year. Speaking at a roundtable discussion yesterday, Ashish Patel said the long-range wireless...
[09 May 2008]
News The emergence of dual-mode or dual-band devices is most likely to happen in the "early days" as the industry in developed markets embraces 4G technology, he said. Teresa Kellett, director of global development for telco Sprint Nextel, said during a...
[11 Apr 2008]
News We do this for purposes such as aggregating how many people in a network like a band or movie and personalising advertisements [on Facebook]. The group - which includes the American Academy of Pediatrics, Children Now, and the Center for Digital...
[10 Apr 2008]
whitepaper It can adopt different modulation and signaling formats, among which multi-band OFDM is a more favorable candidate for the upcoming standard. This paper proposes an efficient low-complexity power allocation technique for clustered multi-band OFDM...
[10 Apr 2008]
whitepaper A number of satellite communication systems have been proposed using geosynchronous (GEO) satellites, medium earth orbit (MEO) and low earth orbit (LEO) constellations operating in the Ka-band and above.
[10 Apr 2008]
whitepaper After a number of false dawns of alternative wireless broad band technologies outside the main stream focus of UMTS / W-CDMA / 3G, there has been growing debate in the telecom industry of whether a new generation of wireless technologies like...
[10 Apr 2008]
whitepaper Although an operator's choice of a WLL technology may often depend on frequency band allotments, other factors such as infrastructure and handset availability, cost (which mainly depends on volume), spectral efficiency and data services...
[10 Apr 2008]
whitepaper Incorporating out-of-band (OOB) messaging in DOCSIS digitally modulated carriers, cable operators can consolidate cable modem (CM) and set top box (STB) data traffic on a shared DOCSIS channel. Cisco Systems support for the Data over Cable Service...
[10 Apr 2008]
whitepaper It operates in the 2.4GHz ISM band and supports an RF bandwidth compatible to IEEE 802.11a/g standard. This paper introduces an open access wideband multi-antenna wireless testbed. The testbed is configured as a four transmit antenna by four...
[10 Apr 2008]
whitepaper Power density spectrum plots and fractional out-of-band power curves are given. A class of constant envelope OFDM phase modulated (OFDM-PM) signals is studied. The motivation behind OFDM-PM is to alleviate the high peak-to-average power ratio of...
[10 Apr 2008]
whitepaper OFDM is a promising digital modulation technique that effectively divides the frequency band into a number of narrow subcarriers that are each flat-fading. Link Adaptation (LA) is a powerful means of increasing throughput in wireless channels by...
[10 Apr 2008]
whitepaper The IEEE 802.16 standard addresses frequencies from 10GHz to 66GHz, with the 802.16a specification adding coverage in the 2GHz-to-11GHz band. WiMax, an evolving standard for point-to-multipoint wireless networking, is poised to do for the last mile...
[10 Apr 2008]
News The survey also notes a significant increase in the number of tri-band HSDPA devices in the past six months - from 75 to 145 - which enable global roaming. There are now 637 high speed downlink packet access products on the market, with almost half...
[07 Apr 2008]
News The regulator recently released details of L-band spectrum auction, starting this spring, which it said is suitable for various mobile multimedia services. Ofcom has released details of the largest spectrum auction to date, which will make...
[07 Apr 2008]
whitepaper Telkomsel provides GSM cellular services in Indonesia, through its own nationwide Dual-band GPRS network, and internationally, through 143 international roaming partners in 61 countries. Telkomsel is the leading operator of cellular...
[04 Apr 2008]
Comment Doing a band-playing, big-bang move of so many flights and services to the new terminal was a fool-hardy move in the first place - they should have trickled stuff into it over six months. The Heathrow Terminal 5 (T5) chaos has dominated reader...
[03 Apr 2008]
News That portion of the TV band is highly prized because it can propagate long distances and through obstacles. The spectrum won't be ready for use until at least February 2009, when over-the-air broadcasters are required to vacate that band as part of...
[25 Mar 2008]
Photo A remote corner of the Arctic, the Northwest Passage, is being tackled by a brave band of explorers with the help of high tech planning software. Amidst the ice-locked terrain, temperatures of 40 below zero and man-eating polar bears the Ice...
[13 Mar 2008]
News Something I Might Regret by The Alps - who hail from Greenwich in London - was completely funded by Slicethepie users after the band's demos suitably impressed. The first album to be solely financed by users of music website Slicethepie is released...
[06 Mar 2008]
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