Application of filter sharpening to cascaded integrator-comb decimation filters

Kwentus, A.Y.; Jiang, Zhongnong; Willson, A.N.

doi:10.1109/78.554309

Cited by 234 publications

(120 citation statements)

References 7 publications

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“…Mitral et al [6]present a paper on "Efficient Sharpening of CIC Decimation Filter". In this paper, they proposed an efficient sharpening of a CIC decimation filter for an even decimation factor.…”

Section: Papermentioning

confidence: 99%

CIC Filter:- Review & Analysis

Singhal¹,

Singhal²

2017

IOSR JECE

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Section: Papermentioning

confidence: 99%

CIC Filter:- Review & Analysis

Singhal¹,

Singhal²

2017

IOSR JECE

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“…Based on these basic equations, We can derive the whole circuit's Z-domain transfer function as equation 13,…”

Section: ) Modulation Scheme Designmentioning

confidence: 99%

“…Because of the special characteristic of the CIC filter, the interpolated 0-value points can be changed into redundancy values which are helpful for recovering data at the receiver side. For more details, we suggest to read [15] and [13] which have detailed theoretical explanation of CIC filter technique.…”

Section: ) Modulation Scheme Designmentioning

confidence: 99%

TiM: Fine-Grained Rate Adaptation in WLANs

Wang¹,

Zhang

et al. 2014

2014 IEEE 34th International Conference on Distributed Computing Systems

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Abstract-Channel condition varies frequently in wireless networks. To achieve good performance, devices need rate adaptation. In rate adaptation, choosing proper modulation schemes based on channel conditions is vital to the transmission performance. However, due to the natural character of discrete modulation types and continuous varied link conditions, we cannot make a one-to-one mapping from modulation schemes to channel conditions. This matching gap causes either over-select or underselect modulation schemes which limits throughput performance. To fill-in the gap, we propose TiM (Time-line Modulation), a novel 3-Dimensional modulation scheme by adding time dimension into current amplitude-phase domain schemes. With estimation of channel condition, TiM changes base-band data transmission time by artificially interpolating values between original data points without changing amplitude-phase domain modulation type. We implemented TiM on USRP2 and conducted comprehensive simulations. Results show that, compared with rate adaptation choosing from traditional modulation schemes, TiM can improve channel utilization up to 200%.

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“…More stop band attenuation causes passband signal loss due to the drooping. Interpolated second-order polynomial (ISOP) filters were added after the CIC filters to solve the problem [4]- [6]. Figure 7 shows the effect of adding ISOP To reduce the number of multiplications in the filter design, all the filter coefficients were made to be symmetric.…”

Section: Digital Down Converter Architecturementioning

confidence: 99%

Design of Dual-Mode Digital Down Converter for WCDMA and cdma2000

Kim¹,

Lee²

2004

ETRI J

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We propose an efficient digital IF down converter architecture for dual-mode WCDMA/cdma2000 based on the concept of software defined radio. Multi-rate digital filters and fractional frequency conversion techniques are adopted to implement the front end of a dual-mode receiver for WCDMA and cdma2000. A sub-sampled digital IF stage was proposed to support both WCDMA and cdma2000 while lowering the sampling frequency. Use of a CIC filter and ISOP filter combined with proper arrangement of multi-rate filters and common filter blocks resulted in optimized hardware implementation of the front end block in 292k logic gates.

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Application of filter sharpening to cascaded integrator-comb decimation filters

Cited by 234 publications

References 7 publications

CIC Filter:- Review & Analysis

CIC Filter:- Review & Analysis

TiM: Fine-Grained Rate Adaptation in WLANs

Design of Dual-Mode Digital Down Converter for WCDMA and cdma2000

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