offset
RSS offsetNumber of free ATMs to increase by a third
News The initiative run by HM Treasury and the ATM Working Group was set up 18 months ago to offset the increase in charging ATMs and currently enables around 1.3 million UK citizens to avoid paying charges or travelling outside their community to... [18 Jul 2008]
XEROX Case Study: FG Wilson
White Paper Originally, FG Wilson outsourced its printing to specialists and manually collated offset printed material from its various suppliers to make up the manual pack. In total, FG Wilson had 10 staff fulfilling the manuals and anything up to 17... [18 Jul 2008]
Whitehall IT to be carbon neutral by 2020
News Any remaining departmental IT emissions will be offset - via carbon offset tree planting schemes and the like, according to a Cabinet Office spokesman. The government has announced plans to make Whitehall's computer systems wholly carbon neutral by... [17 Jul 2008]
A Low Power Fully Integrated Analog Baseband Circuit With Variable Bandwidth for 802.11 a/b/g WLAN
White Paper The circuit adopts the servo loop for dc offset cancellation. This paper presents experimental results of an analog baseband circuit with variable bandwidth for WLAN direct conversion receiver in UMC 0.18um CMOS process. [11 Jul 2008]
MoD plans telepresence trial
News According to group captain Andy Towler, team leader for the defence modernisation initiative, the pilot is one of a number of initiatives being considered to offset the department's travel budget. The Ministry of Defence (MoD) is considering a... [03 Jul 2008]
Software Radio Implementation of Carrier Offset Estimation for OFDM Communications With Multipath
White Paper In OFDM carrier frequency offset must be estimated and compensated at the receiver to maintain orthogonality. This paper describes the implementation and verification of a robust and computationally efficient orthogonal frequency division... [03 Jul 2008]
Multiuser Detectors Performance on MC-CDMA In The Presence of Frequency Offset
White Paper Performance evaluation of multi-user detectors on MC-CDMA in the presence of carrier frequency offset is given in this paper. The aim of this research is to investigate the limitation of the multi-user detectors against the effect of the frequency... [03 Jul 2008]
Blind Carrier Frequency Offset Estimation in SISO, MIMO and Multiuser OFDM Systems
White Paper Relying on a kurtosis-type criterion, in this paper a low-complexity blind carrier frequency offset (CFO) estimator for orthogonal frequency-division multiplexing (OFDM) systems is developed. This paper demonstrates analytically how identifiability... [03 Jul 2008]
Window Function and Interpolation Algorithm for OFDM Frequency-Offset Correction
White Paper In Orthogonal Frequency-Division Multiplexing (OFDM) digital communication systems, an uncorrected frequency offset can lead to a severe degradation of the system performance. This paper describes a technique to mitigate the influence of frequency... [03 Jul 2008]
ML Estimation of Timing and Frequency Offset Using Multiple OFDM Symbols in OFDM Systems
White Paper An approach of joint blind estimation of the symbol timing offset and carrier frequency offset using multiple orthogonal frequency-division multiplexing (OFDM) symbols is proposed for OFDM systems in frequency selective fading environment. [03 Jul 2008]
Blind Estimation of OFDM Carrier Frequency Offset Via Oversampling
White Paper Blind deterministic estimation of the orthogonal frequency division multiplexing (OFDM) frequency offset via over-sampling is proposed in this paper. This method utilizes the intrinsic phase shift of neighboring sample points incurred by the... [03 Jul 2008]
Blind Carrier Offset Estimation for MIMO OFDM Systems: Cramer Rao Bound and Nonlear Least Squares
White Paper Carrier frequency offset between transmitter and receiver local oscillators must be estimated and compensated at the receiver to maintain orthogonality of these subchannels. Orthogonal Frequency Division Multiplexing (OFDM) communications transform... [03 Jul 2008]
OFDM, DS-CDMA, and MC-CDMA Systems With Phase Noise and Frequency Offset Effects
White Paper This paper analyses the effects of either a frequency offset or a phase noise process on the performances of different waveforms. Waveforms taken into consideration are candidates for different wireless access networks. [03 Jul 2008]
Low-Complexity Blind Carrier Frequency Recovery for OFDM Signals Over Frequency-Selective Radio Channels
White Paper This paper introduces a blind (i.e.data independent) algorithm for carrier frequency offset recovery in an orthogonal frequency-division multiplexing (OFDM) receiver operating over frequency-selective fading channels. [03 Jul 2008]
Performance Analysis of Diversity Combining Method for OFDM Blind Carrier Synchronization
White Paper Carrier Frequency Offset (CFO) between transmitter and receiver local oscillators must be estimated and compensated at the receiver to maintain orthogonality of these subchannels. It's necessary to reduce the frequency offset to a small fraction of... [03 Jul 2008]
