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This paper proposes a simple and efficient Montgomery multiplication algorithm such that the low-cost and high-performance Montgomery modular multiplier can be implemented accordingly. The proposed multiplier receives and outputs the data with binary representation and uses only one-level carry-save adder (CSA) to avoid the carry propagation at each addition operation. This CSA is also used to perform...
The analysis of data streams is of great value in many fields such as network monitoring and sensor instrumentation. As a common operation, top-k query over data stream is the basis and core of other problems in data stream analysis. In this paper, we introduce a parallel algorithm based on Frequent algorithm and implement it by utilizing Apache Storm. Further, we evaluate the algorithm by estimated...
The large Register File (RF) in General Purpose Graphic Processing Units (GPGPUs) demands tremendous chip area and energy consumption. For a sustainable growth of the size of RF in future GPGPUs, emerging on-chip memory technologies such as embedded-DRAM (eDRAM) have been proposed to replace the conventional SRAM for higher density and lower leakage but with the possible penalty from the periodic...
The design of opportunistic spectrum access (OSA) policy is a key technique of cognitive radio. In this paper, we consider a scenario that the secondary user can't sense full spectrum due to hardware constraints. In order to get higher transmission rate, we allow the secondary user sense multiple channels in a slot and group them together by channel bonding technique after detecting consecutive idle...
Microphone arrays play an important role in noise reduction and speech enhancement. Their algorithms are based on beamforming, which reduces the level of localized and ambient noise signals while minimizing distortion to speech from the desired direction via spatial filtering. This paper describes a class of subband beamforming algorithms. The similarity between different algorithms is discussed....
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