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In cloud storage, the data owner and data users can easily perform cooperative work on shared data. In this paper, we focus on operation behavior auditing in shared cloud storage, which is significant for the avoidance of potential crimes in the cloud and equitable accountability determination for the forensic investigation in shared cloud. We first introduce a novel secure public auditing model for...
In cloud storage, auditing for operation behavior logs (OBLs) plays an increasingly important role in the field of cloud auditing. In this paper, we first introduce our third party auditing model for user's operation behavior. Further, a novel secure logging approach is proposed to ensure the OBLs security in cloud. Then, we present a secure public auditing scheme for OBLs. Specifically, BLS signature...
Energy efficiency (EE) is a key metric in future green wireless networks. In this paper, we study the secure simultaneous wireless information and power transfer (SWIPT) in a downlink multiple-input-single-output (MISO) system, where the energy efficiency (EE) of the system is guaranteed. By jointly designing the transmit beamforming (BF), artificial noise (AN) and power splitting (PS) ratio, the...
In this paper, a partially decoding scheme, combined with the rate compatible Raptor-like low-density parity-check (LDPC) codes, is proposed to provide more robust, power saving solutions for the future terrestrial broadcasting systems. Different from the existing works, the proposed algorithm uses the least information in the codeword and stops immediately after the decoding is successful. We illustrate...
A new method of three-dimensional grid map building is brought out in this article. SIFT matching algorithm is used to pick up feature points. To improve the matching results, errors matching deleting and dense matching method are used, which is helpful for three-dimensional grid map building. Then probability model of voxel is built and parameter optimization of the matching points is adopted to...
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