Optimal Pilot Placement in Cognitive Radio Systems for Wiener Filtered MMSE Channel Estimation

Source: BNET

Non-Contiguous Orthogonal Frequency Division Multiplexing (NC-OFDM) Cognitive Radios (CRs) pose an intriguing situation for optimal pilot-pattern generation. It has been proposed that in order to attain the lowest possibl ...
Full article at: BNET  More like this  22 hours ago, 10:07am CDT

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Joint Optimal Spectrum Sensing Time and Power Allocation in Ultra Wideband Cognitive Radio Networks

Source: BNET

Ultra WideBand (UWB) system is overlapped with various wireless systems, such as WLAN, WiMax and UMTS, which limits the use of UWB. Cognitive Radio (CR) enables UWB systems to efficiently use the overlapped spectrum without causing interference to o ...
Full article at: BNET  More like this  22 hours ago, 9:53am CDT

NC-OFDM Cognitive Radio Optimal Pilot Placement for the LS Estimator

Source: BNET

A theoretical contradiction between the areas of the optimal pilot-pattern design and the optimal power loading algorithms has been found to exist for proposed Non-Contiguous Orthogonal Frequency-Division Multiplexing (NCOFDM) Cognit ...
Full article at: BNET  More like this  23 hours ago, 9:51am CDT

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City backs French TV

Source: The Windsor Star

City council is lobbying the CBC to reverse a decision to end its analogue service for French-language television. Local francophones are becoming "more and more disconnected from their language and culture .. ...
Full article at: The Windsor Star  More like this  1 day ago, 2:36am CDT

Hardness and Approximation of Traffic Grooming

Source: BNET

Optical Wavelength Division Multiplexing (WDM) is today the most promising technology to accommodate the explosive growth of Internet and telecommunication traffic in wide-area, metro-area, and local-area ne ...
Full article at: BNET  More like this  1 day ago, 12:37pm CDT

ARRIS Takes its Solutions for the Complete Digital Home to ANGA Cable in Germany

Source: PR Newswire

AtLeast one of the check box should be selected You are following news about Follow the latest news about ARRS SUWANEE, Ga., May 24, 2012 /PRNewswire/ -- ARRIS Group, Inc. (Nasdaq: ARRS) will bring its industry-leading portfolio of DOC ...
Full article at: PR Newswire  More like this  1 day ago, 10:22am CDT

WACS Cuts Internet Costs

Source: AllAfrica.com

Mobile Telecommunication Limited (MTC), Namibia's leading mobile network operator, has welcomed the successful in Service Declaration of the West African Cable System (WACS) following a live activation and hand-over of the project from the sup ...
Full article at: AllAfrica.com  More like this  2 days ago, 6:55am CDT

Poor sales in China, Europe slash optical network revenues

Source: iTWire

According to Ovum, in its latest market report, ON revenues declined nine percent from the year-ago quarter, while annualised spending retreated by $300million, or two percent sequentially, wiping out a third of the gains of 2011. A fall i ...
Full article at: iTWire  More like this  2 days ago, 2:54pm CDT

On Frequency-Selective Scheduling in SDMA-OFDMA Systems

Source: BNET

Orthogonal Frequency Division Multiple Access (OFDMA) is a multi-user version of the Orthogonal Frequency Division Multiplexing (OFDM) transmission technique, which divides a wideband channel into a number of orth ...
Full article at: BNET  More like this  2 days ago, 12:11pm CDT