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Xuejing Wei

dblp:439/4146 · DBLP profile ↗
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1ranked-venue papers
0as first author
1since 2021 · last 2026
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Systems, architecture and hardware · 1 · 1 since 2021

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Computer architecture, parallel and distributed computing, and storage systems
1 paper
Integrated circuit design · 75% Electronic design automation · 25%

Topics — the 4 heaviest of 4, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Integrated circuit design › digital circuit design
arithmetic circuit design
1.012026
Scaling-Free CORDIC Optimization Based on the Time-Multiplexed Constant Multiplication · IEEE Trans. Comput. Aided Des. Integr. Circuits Syst. 2026
Integrated circuit design › digital arithmetic circuits
CORDIC
1.012026
Scaling-Free CORDIC Optimization Based on the Time-Multiplexed Constant Multiplication · IEEE Trans. Comput. Aided Des. Integr. Circuits Syst. 2026
Integrated circuit design
digital circuit design
1.012026
Scaling-Free CORDIC Optimization Based on the Time-Multiplexed Constant Multiplication · IEEE Trans. Comput. Aided Des. Integr. Circuits Syst. 2026
Electronic design automation
high-level synthesis
1.012026
Scaling-Free CORDIC Optimization Based on the Time-Multiplexed Constant Multiplication · IEEE Trans. Comput. Aided Des. Integr. Circuits Syst. 2026

Methods — techniques the papers use, named apart from their topics

shift propagation · 1.0scaling-free CORDIC · 1.0
YearPublicationVenuePosition
2026 Scaling-Free CORDIC Optimization Based on the Time-Multiplexed Constant Multiplication
abstract
Modern digital systems in communication, control, and sensing rely on fast and accurate hardware evaluation of trigonometric functions. The classic CORDIC algorithm provides a multiplier-less solution using iterative shifts and adds, but conventional CORDIC requires many iterations and a final scaling correction that increases latency and hardware cost. Scaling-Free CORDIC (SF-CORDIC) eliminates the scaling factor by adjusting micro-rotation angles to achieve a net gain of unity. However, this approach introduces fixed constant multiplications at each iteration, which can dominate hardware resources and critical path delay. Existing methods often restrict the set of rotation angles so that constants can be implemented with simple add-shift operations. Other approaches use high-radix or hybrid schemes, but these methods limit the angle accuracy, introduce extra complexity, and still rely on numerous add-shift networks. To address these issues, a new SF-CORDIC architecture is proposed to eliminate per-iteration multipliers by using the time-multiplexed constant multiplier units implemented across all iterations. Bit-width growth is controlled via shift propagation and a minor compensation step, maintaining precision without a final scaling stage. This compact, low-latency design significantly reduces hardware area and delay compared to prior SF-CORDIC implementations while preserving high output accuracy. In a six-stage FPGA pipeline, the design reaches a maximum clock frequency of 216.03 MHz with an end-to-end latency of 27.78 ns. It uses about 1200 LUTs and 300 registers. The root-mean-square error is 6.8 × 10−5for sine and 6.4 × 10−5for cosine.
Yu Peng 0002, Xuejing Wei, Liansheng Liu
IEEE Trans. Comput. Aided Des. Integr. Circuits Syst.3