[PDF] Top 20 A symbol-rate timing synchronization method for low power wireless OFDM systems
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A symbol-rate timing synchronization method for low power wireless OFDM systems
... enable symbol-rate synchronization to reduce power consumption by preventing high-rate circuit opera- ...has low design complexity with the low power feature, ... See full document
5
A low-complexity frame synchronization and frequency offset compensation scheme for OFDM systems over fading channels
... The wireless urban channel adopted by [6] is used and a complex white Gaussian noise is added to the received OFDM ...An OFDM system consisting of 1024 subcarriers with a guard interval ... See full document
14
Low-complexity Kalman channel estimator structures for OFDM systems with and without virtual carriers
... over a wireless channel modeled as a multipath fading channel corrupted by ...l-th OFDM symbol. Assuming that frequency and timing synchronization are ideal, and the ... See full document
5
A Low-Complexity Minimum-Interference Symbol Time Estimation for OFDM Systems
... against symbol index. SNR = 15 dB. Figs. 4 and 5. The estimated ST as a function of the sym- bol index at SNR = 15 dB is shown in ...searches for the whole symbol duration, its acquisi- tion ... See full document
6
A Synchronization Method for Crystal-Less OFDM-Based Wireless Body Area Network Applications
... PAFEE method is implemented in digital baseband signal processing and the hardware architecture achieves low-power, low-cost, tiny area, and high integration with little hardware ... See full document
4
A Blind Maximum-SINR Synchronization Technique for OFDM Systems
... an OFDM system of N = 256 subcarriers and a guard interval of N G = N/8 = 32 ...The OFDM symbol duration is ...10,000 OFDM symbols are ... See full document
5
A Refined Channel Estimation Method for STBC/OFDM Systems in High-Mobility Wireless Channels
... Decorrelation Method We all know that CIR can be estimated using the preamble placed at the beginning of each OFDM frame, while the diffi- culty is that for most wireless standards, the ... See full document
9
A Low-complexity Precoder Searching Algorithm for MIMO-OFDM Systems
... MIMO-OFDM systems. In practical systems, the precoding matrix is computed at the receiver, and then fed back to the ...representing a quantized precoding matrix is fed ...from a set of ... See full document
4
A Robust Timing Synchronization Scheme in Multiple Antenna Systems with Doppler Frequency Shifts
... propose a timing synchronization scheme for a dual antenna system in Rayleigh-fading environ- ...derive a formula to find the maximum-likelihood estimation of the channel ... See full document
3
A programmable transceiver structure of multi-rate OFDM-CDMA for wireless multimedia communications
... sub-carriers in the systems. Signal at each sub-stream is spread with factor Fhn by cyclical multiplying the spreading codes. Afier combining all the P spread signals &[r] ... See full document
5
Iterative ML estimation for frequency offset and time synchronization in OFDM systems
... According to the proposed iterative approaching algorithm, the global maximum of log-likelihood function can be definitely found to achieve both frequency and time synchronization[r] ... See full document
6
Low-Complexity All-Digital Sample Clock Dither for OFDM Timing Recovery
... glitches, a Schmitt trigger buffer is applied at the 1st stage to stabilize clock transitions and both second and third stages to enhance the driving ...Hence, a -multiphase ADCM with full-cycle ... See full document
7
A low-power CMOS LNA for ultra-wideband wireless receivers
... Taiwan a) yiching.cm94g@nctu.edu.tw Abstract: In this paper, a low-power ultra- wideband (UWB) low- noise amplifier (LNA) is ...propose a structure to combine the common gate with ... See full document
6
Task scheduling method for low power dissipation in a system chip
... The processing element (PE3) processes tasks (T7~T8) The poWer state of the processing element (PE3) changes from sleep to loW and then back to sleep. In sum, in a complicated system c[r] ... See full document
10
Maximum Likelihood Timing and Carrier Frequency Offset Estimation for OFDM Systems With Periodic Preambles
... however, a preamble with more than two pe- riods is available. A typical example is the ...IEEE802.11a/g wireless local area network system, which features a ten-period ...proposed ... See full document
14
A Low-Overhead Interference Canceller for High-Mobility STBC-OFDM Systems
... though a high iteration operation in the proposed data decision scheme can have better performance, the timing requirement of a less iteration operation can be released to achieve low-cost ... See full document
11
Low Complexity Synchronization Design of an OFDM Receiver for DVB-T/H
... and a two stages scattered pilots ...33dB. A novel phase predictive scheme reduces 3%~20% operations of phase accumulators for different GI ...pilots synchronization scheme has smaller latency ... See full document
6
MultiSync: A Synchronization Model for Multimedia Systems
... priority can be supported by assigning different priority to different processes (threads) in real applications. For example, in the lip synchronization application, it is o[r] ... See full document
11
Joint weighted least squares estimation of frequency and timing offset for OFDM systems over fading channels
... The carrier frequency offset can he estimated by first calculating the pilot-suhcarrier phase difference between two OFDM symbols, removing the quantity contributed by the [r] ... See full document
5
Low power 2D DCT chip design for wireless multimedia terminals
... !jince these standards recently apply to battery-operated systems like portable computers (Notebook), personal digital assistants (PDA) and wireless communication equipmen[r] ... See full document
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