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whitepaper Signal reference grids are automatically specified and installed in data centers despite the fact that they are no longer needed by modern IT equipment. This paper explains the origins of the signal reference grid, the operating principles and...
[11 May 2008]
whitepaper For example, if the system is intended to perform Video On Demand (VOD) delivery, an architecturally relevant aspect would be the translation of the video signal to the correct target device. This step would necessarily include the ability to...
[11 May 2008]
whitepaper Intel Itanium-based servers support an advanced architecture that allows the system to contain, correct, and signal machine check errors. HP Integrity servers provide superior reliability and availability.
[11 May 2008]
News As well as showing that the satellite is transmitting, the signal also allows ESA to test the user receivers. ESA can monitor the signal spectrum coming from the satellite in real-time to measure performance, including signal power and bandwidth.
[09 May 2008]
News Industry analysts said the product may signal a watershed moment within Microsoft to embrace a technology that the company viewed as a threat in the past. Microsoft has begun testing technology that brings together a user's pictures, documents and...
[23 Apr 2008]
Photo The only additional baggage is the optical signal amplifiers, of which 121 were used in the connection from Sydney to Hawaii - one every 75km. Installing an internet connection can be difficult - especially if the cable is about 9,000km long and...
[14 Apr 2008]
whitepaper Then the authors derive the mutual information of a sub-optimum relaying scheme in which the relay applies Karhunen-Loeve transform to the signal received from the source before quantizing it and forwarding it to the destination as a new codeword.
[11 Apr 2008]
whitepaper An exception is raised to signal the mismatch. A buffer overflow attack is perhaps the most common attack used to compromise the security of a host. This attack can be used to change the function return address and redirect execution to the...
[11 Apr 2008]
whitepaper The signal space is studied by considering the correlation properties of the OFDM-PM signals. A class of constant envelope OFDM phase modulated (OFDM-PM) signals is studied. The motivation behind OFDM-PM is to alleviate the high peak-to-average...
[10 Apr 2008]
whitepaper It is particularly attractive for image processing because of its rich collection of tools for image and digital signal processing. Data flow visual language systems allow users to graphically create a block diagram of their applications and...
[10 Apr 2008]
whitepaper Now the combination of continuously advancing silicon technology and market pressure for sophisticated, high-performance electronic devices has caused the two IC worlds to come together to form a new IC category—digital/mixed-signal (D/MS) ICs.
[10 Apr 2008]
whitepaper The combination of Multiple-Input Multiple-Output (MIMO) signal processing with Orthogonal Frequency Division Multiplexing (OFDM) is regarded as a promising solution for enhancing the data rates of next generation wireless communication systems...
[10 Apr 2008]
whitepaper The combination of multiple-input multiple-output (MIMO) signal processing with orthogonal frequency division multiplexing (OFDM) is regarded as a promising solution for enhancing the data rates of next-generation wireless communication systems...
[10 Apr 2008]
whitepaper The SDH signal has built-in performance monitoring, maintenance, provisioning, and operations information directly within the signal format. It contains mechanisms to allow for timing inconsistencies throughout the network, and provides a means for...
[10 Apr 2008]
whitepaper This paper investigates low complexity signal detection approaches for OFDM based UWB systems. Ultra-wideband (UWB) communication is a potential technique for future high-speed networks. In particular, authors develop practical approaches for...
[10 Apr 2008]
whitepaper High peak-to-average power ratio (PAR) of the transmitted signal is one of the limitations to using orthogonal frequency-division multiplexing (OFDM) systems. This paper presents a novel orthogonal projection-based partial transmit sequences...
[10 Apr 2008]
whitepaper In basic terms, an RFID transponder will identify itself when it detects a signal from a compatible device, known as a reader or interrogator, in an RFID system. In general terms, RFID is a means of identifying a person or object using a radio...
[10 Apr 2008]
whitepaper The speech encoder converts the digitized speech signal (after A/D conversion) to a bit-stream, which is packetized and sent over the IP network. Speech codecs compress the voice in such a way as to affect its quality and in turn the quality of...
[10 Apr 2008]
whitepaper A class of Orthogonal Frequency Division Multiplexing - Continuous Phase Modulation (OFDM-CPM) signals is introduced in which binary data sequence is mapped to complex symbols using the concept of correlated phase states of a CPM signal.
[10 Apr 2008]
whitepaper It then describes signal processing software based solutions designed to address echo-related quality issues in packet voice communications. This paper discusses how echo contributes to poor audio quality in VoP telephony, and examines how other...
[10 Apr 2008]
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