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whitepaper This paper presents a study of a spectrum sharing problem in an unlicensed band where multiple systems coexist and interfere with each other. The paper investigates whether efficiency and fairness can be obtained with self-enforcing spectrum...
[16 Mar 2006]
whitepaper However, the plant designers have little control over the spectrum used by the various loop types because the spectrum is defined when the system characteristics (e.g. The new digital transmission systems are designed for high speed transmission...
[24 Feb 2004]
whitepaper A specific method using the "CSCC" (Common Spectrum Coordination Channel) etiquette protocol is studied and compared with earlier results on reactive interference avoidance algorithms. The CSCC concept is outlined, and its application to this...
[16 Mar 2006]
whitepaper Founded in 1971 as a fine chemical manufacturer, Spectrum Chemicals & Laboratory Products, a division of Spectrum Chemical Mfg. Corp.has grown into a customer-focused global supplier of high quality chemicals, laboratory supplies, and equipment.
[30 Jun 2007]
whitepaper Most dynamic spectrum access research centers on determining the set of frequencies being used by spectrum license holders, taking its converse, and from what remains selecting the optimal subset of spectrum.
[13 Apr 2007]
whitepaper National and international spectrum management frameworks will strongly influence the course of this sector and many countries are presently searching for the best alternative to the historical system of administrative licensing.
[01 Aug 2007]
Comment Ben King took a trip down memory lane last week with his homage to the ZX Spectrum (http://www.silicon.com/a50364 ). My favourite Spectrum game was definitely SpyRacer (the one with the cars), it rocked!
[14 Jan 2002]
whitepaper Direct sequence spread spectrum (DSSS) and frequency hopping spread spectrum (FHSS) have different physical mechanisms for rejecting narrowband interference. After presenting the physical mechanisms by which these spread spectrum methods reject...
[24 Feb 2004]
News Ofcom has released details of the largest spectrum auction to date, which will make available a swathe of spectrum suitable for mobile broadband and advanced wireless services via WiMax and 3G tech. The regulator expects the auction process for...
[07 Apr 2008]
whitepaper CSI/Capital Spectrum has been providing printing and graphics services for 21 years. CSI/Capital Spectrum was looking for the best way to merge the computer infrastructure of the two offices without investing in expensive new equipment.
[24 Feb 2004]
Comment Winner: The ZX Spectrum! ZX Spectrum crowned king of computer classics Editor's choice silicon.com editor Steve Ranger flags up his picks on the site this week.¦ Minority Report: iPhone, Android and the world in your pocket ¦ Peter...
[24 Apr 2008]
Comment This question formed the basis of our latest reader poll - which saw the ZX Spectrum voted as the most popular of the 10 pieces of antique hardware we listed. While many approved of the ZX Spectrum being crowned king - including one reader who...
[22 Apr 2008]
whitepaper Due to the independent design and development, together with the unexpected dynamics during deployment of co-existing networks and devices, the limited frequency spectrum will be extremely crowded. This paper proposes to develop new suites of WSN...
[23 Aug 2007]
News A spokeswoman for the agency told silicon.com that although the Chancellor announced a review on the efficiency of the use of spectrum in his pre-budget statement last week, such a review has yet to even start.
[13 Nov 2000]
whitepaper The assignment of additional downlink spectrum for UMTS has been identified by WARC2000 as a straightforward way to increase downlink capacity. This paper proposes a Service Selection mechanism that effectively improves the spectrum efficiency...
[19 Jul 2005]
News The Spectrum was a somewhat rushed follow-up to the ZX81. The Spectrum started off as just another half-baked scheme. Playing games on a Spectrum was a harsh aesthetic experience by today's standards.
[11 Jan 2005]
whitepaper This paper defines full spectrum supplier enablement as enabling all of suppliers to do business in the most efficient and cost-effective manner possible. Full spectrum supplier enablement is an integral part of a complete supplier relationship...
[24 Feb 2004]
whitepaper Ubiquitous wireless networking calls for efficient Dynamic Spectrum Allocation (DSA) among heterogeneous users with diverse transmission types and bandwidth demands. To meet user-specific Quality-of-Service (QoS) requirements, the power and...
[23 Aug 2007]
News The Spectrum was a somewhat rushed follow-up to the ZX81. The Spectrum started off as just another half-baked scheme. Playing games on a Spectrum was a harsh aesthetic experience by today's standards.
[14 Jan 2002]
whitepaper They use the same spectrum to provide their different, highly valued applications. Bluetooth and WLAN technologies were developed to serve two quite different applications: Bluetooth offers a quick way for systems such as headsets and printers to...
[18 Oct 2005]
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