Dynamic spectrum access could revolutionise comms
News An emerging technology called dynamic spectrum access (DSA) is one option that the telecommunications regulator thinks might be very useful, according to the Technology Research and Development Report, published on Tuesday.
[November 14, 2006, 16:02]
Spectrum Management in Coordinated Dynamic Spectrum Access Based Cellular Networks
White Papers This paper focuses on spectrum management in next generation cellular networks that employ Coordinated Dynamic Spectrum Access (DSA). In this model, a spectrum broker controls and provides time-bounded access to a band of spectrum to wireless...
[December 7, 2006, 0:00]
Handbook of Pharmacology and Physiology in Anesthetic Practice, 2nd Ed.
Downloads Handbook of Pharmacology and Physiology in Anesthetic Practice, 2nd Ed.powered by Skyscape Author(s): Robert K Stoelting MD & Simon C Hillier MBChB, FRCA Publisher: Lippincott Williams & Wilkins Delivers instant access to the most critical...
[April 20, 2006, 8:00]
Harrison's Manual of Medicine (Harrison)
Downloads And it gives you the one comprehensive database that covers the full spectrum of issues you need to know NOW. Built-in Medical Calculators: Provide instant access from within clinical topics to the Anion GapCalculated OsmolalityCalvert...
[February 4, 2004, 7:00]
Harrison's Manual of Medicine (Harrison)
Downloads And it gives you the one comprehensive database that covers the full spectrum of issues you need to know NOW. Built-in Medical Calculators: Provide instant access from within clinical topics to the Anion GapCalculated OsmolalityCalvert...
[February 4, 2004, 7:00]
Ofcom must retune its research
Leader Ofcom thinks it has a way forward with what it calls dynamic spectrum access (DSA). Ideally, DSA would be a very efficient system, with users and networks only paying for the bandwidth, quality of service and spectrum they need.
[November 15, 2006, 16:04]
Super-regulator Ofcom merges tasks
News By incorporating the Radio Authority, Ofcom will oversee the move in the UK towards fixed wireless technology telecommunications infrastructure as the government sells off licences for this spectrum. The new body will have responsibility for...
[December 13, 2000, 15:51]
UK wireless networks 'flout the law'
News Companies and organisations across Britain are breaking the law by running high-speed wireless networks that don't comply with spectrum restrictions, a wireless expert warned on Tuesday. Ofcom has inherited an ongoing project from the...
[April 7, 2004, 18:05]
Qualcomm provides Super 3G's missing uplink
News David Pringle, of the GSM Association, also told ZDNet UK that success with HSUPA would be "an example of why the European Commission and others need to be thinking about the evolution of these advanced services" — a reference to the current row...
[July 20, 2006, 11:15]
Aruba warns against 802.11n deployments
News Like AirMagnet's chief technology officer, Chia Chee Kuan, Hockaday suggested there could be a problem with interference with 802.11a networks, which also use the 5GHz spectrum band. This enhanced throughput means that, although an 802.11n access...
[October 18, 2007, 10:47]
Wireless rural broadband gets green light
News The Office of Communications on Monday opened a key part of the radio spectrum that will help bring broadband to rural areas of Britain not served by ADSL broadband. The band has long been used by the military, which was known to be unhappy about...
[December 30, 2003, 12:35]
Fine tuning the virtual engine
Blog I don’t doubt that there’s now a broader spectrum of stakeholders (I hate that term) involved in capacity decision-making. This repository design, it says here, combines centralised storage of capacity data with open data access capabilities.
[January 27, 2009, 23:19]
Intel introduces fast Wi-Fi to Europe
News By the end of this year, Intel plans to add an ETSI-required feature called DFS (dynamic frequency spectrum) to its 802.11a products, which will allow them to be fully licensed. Intel has announced next-generation wireless LAN products -- also...
[May 28, 2002, 17:06]
Intel deal clears fast Wi-Fi for UK sale
News By this stage, Intel's 802.11a WLAN will have the ETSI-required feature, DFS (dynamic frequency spectrum) built in. An agreement between Intel and the UK's spectrum authority should see faster wireless LAN technology on sale in the UK by this...
[March 11, 2002, 15:14]
Will it work as expected?
Talkback This appears to be the system investigated by Nokia in about 2001 to use the GSM 900 MHz and 1800 MHz bands for a form of 3G style communications. They found it worked - but at the expense of the 'traditional' GSM signal, which was severely degraded.
[November 21, 2006, 16:30]
SmoothWall SmoothGuard 1000-UTM review
Reviews Interestingly, SmoothWall bucks the trend in recommending the Layer 2 Tunnelling Protocol (L2TP) for remote access and teleworkers — primarily because it doesn’t require any additional client software.
[July 25, 2007, 11:24]
