Dual Methods for Power Allocation for Radios Coexisting in Unlicensed Spectra
...systems such as 802.11 networks and Bluetooth systems sharing the same
ZDNet is available in the following editions:
...systems such as 802.11 networks and Bluetooth systems sharing the same
...cognitive radio network under a mixed spectrum environment of licensed channels and
...a considerably higher throughput than GSM systems. The challenges are introduction to
...user performance and improve the overall spectrum utilization efficiency, mainly in the
...hoc networks, with nodes randomly and uniformly distributed, coexisting and sharing an
...increasingly attractive, as it can alleviate the spectrum scarcity problem in the
The authors are on the cusp of the next big wave in Internet and wireless technology for the mass market: the emergence... Read more
2 October, 2010In common models of Cognitive Radio Networks (CRNs), priority in spectrum access of Primary Users (PUs) must be... Read more
1 June, 2010...safe room, closing electronically locked doors behind him. He also had an
...Local police in Singapore have uncovered a haul of suspected
...devices," Levine said. For more on this ZDNet UK-selected story, see
...in sensor networks such as IEEE 802.15.4 typically operate in
Wireless spectrum is increasingly fragmented due to the growing proliferation of
...of spectrum sensing over fading channel, in which a licensee and multiple
Currently, the radio spectrum is statically allocated and divided between licensed and
What a farce! Hopefully the European court will see where this is leading.
17 minutes ago by Dean Talboys via Facebook on Assange loses extradition battle in Supreme Court
Wouldn't surprise me if Samsung actually really had problems producing the white model (as Apple did - it would make more sense) and this non-story...
1 hour ago by SoapyTablet on Samsung Galaxy 'S3' delayed by special paint those conformation letters are hard to figure out what is which letters it is a pain in the back side. Please make it more Ledge-able being better...
5 hours ago by Lonnie on Screenshots: Photoshop CS6 Beta ...... and PDP11s too
12 hours ago by Horace Ontalhold on Fusion-io lays minefield with a billion IOPS I had a quick skim through the PDF. It seems to be that many of these so-called cost savings would be down to a hardware refresh. Although...
13 hours ago by BrownieBoy on Using Windows XP is a waste of money, says IDC 496,999 BT Fon Hotspots lovingly situated in your next door neighbours garden, no matter how you dress that up its still a pup... Not where I need...
15 hours ago by bobandroid on London Olympics: BT needs 25,000 more Wi-Fi hotspots
Jack : I was hoping you could provide us a summary since you are familiar with this report. I am not yet sure how much of my time I'd like to...
17 hours ago by apexwm on Using Windows XP is a waste of money, says IDC 2 – 4 more weeks of waiting: how many buyers are going to decide instead to see what the iPhone 5 offers? Consumer trust in the brand has also...
17 hours ago by Smilig Eddie on Samsung Galaxy 'S3' delayed by special paint So it looks like this was a complete red herring - Adobe are allowing upgrades from Photoshop CS3, CS4 and CS5 at the same price. When did this...
17 hours ago by SRist on Photoshop users attack Adobe upgrade policy change
@apexwm Have you considered either (a) reading the story above or (b) reading the PDF? There are answers in both.
19 hours ago by Jack Schofield on Using Windows XP is a waste of money, says IDC I would love to hear why Microsoft believes that "upgrading from Windows XP to Windows 7 pays for itself in a year, in increased productivity and...
20 hours ago by apexwm on Using Windows XP is a waste of money, says IDC I have just changed mine to white they said 3 to 5 days
21 hours ago by debsmk on Samsung Galaxy 'S3' delayed by special paint I would like a job for me and do good to their tackiness vellent my help I will do my best to help you mercie for all
22 hours ago by Atangana on UK's 15-year-old World Excel champion offered £100k job Well done to IDC for producing a report that says using XP is a waste of money. Only 11 years too late with it is all....
23 hours ago by BrownieBoy on Using Windows XP is a waste of money, says IDC @Burn-IT ...which doesn't mean it isn't true ;-) I'll be interested if you can find any properly-researched, independent data from any of the...
1 day ago by Jack Schofield on Using Windows XP is a waste of money, says IDC As said, sponsored by Microsoft........
1 day ago by Burn-IT on Using Windows XP is a waste of money, says IDC @620W, I mine 1 BTC/daily for cost of 1.7eur, they naysayers regurgitate the rubbish they read as usual
1 day ago by mrbigdong on A minor Bitcoin miner injury?If the link to the next section existed that would be awesome.... Guess I have to ask uncle google where it is
1 day ago by Mike Denton via Facebook on Security on the farm: Accounts and permissions Don't blame CEO, they want RIM win. RIM has strange culture and self distruct political environment. In RIM if a new hired person figure out...
1 day ago by minzhu on RIM CEO: Time to squash BlackBerry myths
Companies are finding the wireless LAN is under pressure as employees are bringing their own devices to... Read more
The arrival of personal technology in the office is a challenge for all organisations, but how can it be adapted securely for corporate... Read more
Will your organisation be involved in a legal action for which you will have to produce email or other electronic content? Be prepared with solution that is focused on satisfying email discovery... Read more
