uwb articles, videos, photos and opinions

Sort by Relevance | Date | Popularity
Timing Acquisition and Demodulation of an <endeca_term>UWB</endeca_term> System Based on the Differential Scheme

Timing Acquisition and Demodulation of an UWB System Based on the Differential Scheme

...synchronization constitutes a major challenge in realizing highly efficient Ultra Wide Band (UWB) systems because of the short pulse duration which requires a fast synchronization... Read more

2 April, 2012
A SIMO One-Bit Time Reversal for <endeca_term>UWB</endeca_term> Communication Systems

A SIMO One-Bit Time Reversal for UWB Communication Systems

With the One-bit Time Reversal Ultra WideBand (OTR-UWB) transceiver, the data symbols are encoded using the reversed order of the... Read more

20 March, 2012
On the Performance of the Time Reversal SM-MIMO-<endeca_term>UWB</endeca_term> System on Correlated Channels

On the Performance of the Time Reversal SM-MIMO-UWB System on Correlated Channels

...spatial correlation on the Multi-Input Multi-Output Ultra-Wide Band (MIMO-UWB) system using the Time Reversal (TR) technique is investigated. Thanks to TR... Read more

8 March, 2012
A Compact and <endeca_term>UWB</endeca_term> Time-Delay Line Inspired by CRLH TL Unit Cell

A Compact and UWB Time-Delay Line Inspired by CRLH TL Unit Cell

This paper presents the design of compact and Ultra-WideBand (UWB) time-delay lines inspired by the use of Composite Right/Left-Handed... Read more

21 December, 2011
Enhanced FCME Thresholding for Wavelet-Based Cognitive <endeca_term>UWB</endeca_term> Over Fading Channels

Enhanced FCME Thresholding for Wavelet-Based Cognitive UWB Over Fading Channels

The cognitive Ultra-WideBand (UWB) network detects interfering narrowband systems and adapts its configuration accordingly. An inherently... Read more

1 December, 2011
<endeca_term>UWB</endeca_term> Communication Characteristics for Different Materials and Shapes of the Stairs

UWB Communication Characteristics for Different Materials and Shapes of the Stairs

A comparison of Ultra-WideBand (UWB) communication characteristics for two different shapes of stairs with concrete and iron... Read more

1 November, 2011
Influence of Waveform on Positioning Performance in a TOA/AOA Based IR-<endeca_term>UWB</endeca_term> System

Influence of Waveform on Positioning Performance in a TOA/AOA Based IR-UWB System

The waveform influences on the performance of positioning system based on IR-UWB, but the performance of positioning system under the condition of different waveforms... Read more

1 September, 2011
Design of Pre-Rake DS-<endeca_term>UWB</endeca_term> Downlink With Pre-Equalization

Design of Pre-Rake DS-UWB Downlink With Pre-Equalization

The authors consider the design of Ultra-WideBand (UWB) systems that enable high data rate communications for short-range wireless applications... Read more

31 July, 2011
Distributed Detection in <endeca_term>UWB</endeca_term> Sensor Networks Under Non-Orthogonal Nakagami-M Fading

Distributed Detection in UWB Sensor Networks Under Non-Orthogonal Nakagami-M Fading

Several attractive features of Ultra WideBand (UWB) communications make it a good candidate for physical-layer of Wireless Sensor... Read more

27 July, 2011
Implementation of <endeca_term>UWB</endeca_term> MIMO Time-Reversal Radio Testbed

Implementation of UWB MIMO Time-Reversal Radio Testbed

...presents system implementation and validation of a real-time experimental Ultra-WideBand (UWB) Multiple-Input Multiple-Output (MIMO) radio testbed built in Tennessee Technological University... Read more

14 July, 2011
The Impact of Antenna Directivity and Channel Bandwidth on the Power Spectral Density of Wideband and <endeca_term>UWB</endeca_term> MISO Channels

The Impact of Antenna Directivity and Channel Bandwidth on the Power Spectral Density of Wideband and UWB MISO Channels

The combination of MIMO with WideBand (WB) and Ultra-WideBand (UWB) systems imply many new effects, which make the conventional channel models developed... Read more

11 July, 2011
Reconfigurable Tactical Impulse Radio <endeca_term>UWB</endeca_term> for Communication and Indoor Localization

Reconfigurable Tactical Impulse Radio UWB for Communication and Indoor Localization

The paper is focused on the design of a new reconfigurable tactical UWB impulse radio enabling indoor communication and localization for military application. The proposed... Read more

11 July, 2011
Performance of <endeca_term>UWB</endeca_term> Systems With Direct-Sequence Bipolar Pulse Amplitude Modulation and RAKE Reception over IEEE 802.15.3a Channel

Performance of UWB Systems With Direct-Sequence Bipolar Pulse Amplitude Modulation and RAKE Reception over IEEE 802.15.3a Channel

...Pulse Amplitude Modulation (DS-PAM) has been widely proposed for Ultra-WideBand (UWB) communication systems because it provides better performance with low computational complexity. UWB... Read more

1 July, 2011
Space-Time Pre-Equalization for Time Reversal MIMO <endeca_term>UWB</endeca_term> System in Strong ISI

Space-Time Pre-Equalization for Time Reversal MIMO UWB System in Strong ISI

...data rate Time Reversal (TR) Multiple-Input Multiple-Output (MIMO) Ultra-WideBand (UWB) communication system with space-time pre-equalizer is proposed. When the symbol... Read more

26 April, 2011
Miniature transparent <endeca_term>UWB</endeca_term> antenna with tunable notch for green wireless applications

Miniature transparent UWB antenna with tunable notch for green wireless applications

In this paper, the design of a UWB antenna using a transparent AgHT-8 material is proposed for green wireless... Read more

9 March, 2011

Get ZDNet UK's daily newsletter

Enter your email address to sign up

ZDNet UK Live

Dean Talboys

What a farce! Hopefully the European court will see where this is leading.

34 minutes ago by Dean Talboys via Facebook on Assange loses extradition battle in Supreme Court
SoapyTablet

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
Lonnie

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
BrownieBoy

"cites" even. Ouch!

12 hours ago by BrownieBoy on Using Windows XP is a waste of money, says IDC
Horace Ontalhold

...... and PDP11s too

12 hours ago by Horace Ontalhold on Fusion-io lays minefield with a billion IOPS
BrownieBoy

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
bobandroid

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
apexwm

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
Smilig Eddie

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
SRist

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...

18 hours ago by SRist on Photoshop users attack Adobe upgrade policy change
Jack Schofield

@apexwm Have you considered either (a) reading the story above or (b) reading the PDF? There are answers in both.

20 hours ago by Jack Schofield on Using Windows XP is a waste of money, says IDC
apexwm

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...

21 hours ago by apexwm on Using Windows XP is a waste of money, says IDC
debsmk

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
Atangana

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
BrownieBoy

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
Jack Schofield

@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
Burn-IT

As said, sponsored by Microsoft........

1 day ago by Burn-IT on Using Windows XP is a waste of money, says IDC
mrbigdong

@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?
Mike Denton

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
minzhu

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