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An all-digital delay-locked loop (ADDLL) is proposed for wide range, fast lock, low jitter and high process-voltage-temperature (PVT) tolerance. The proposed phase tracking generator (PTG) produces two tracking rising and falling phases in only 2 cycles for fast lock and wide-range. The digital phase interpolator (DPI) and the control block are adopted to calibrate the phase offsets and random jitters...
With the popularity of cloud computing and SaaS, enterprises are willing to rent various cloud services and use them in their daily work. However, on-premise applications are still widely used inside enterprises. That is to say, to achieve the goal of business collaboration, a cloud service usually need to obtain business data from multiple sources, which include the relevant on-premise applications...
Based on IEEE 802.15.4, a contention-free period (CFP) adopts guarantee time slot (GTS) mechanism to ensure each device can access the radio channel. However, it is hard to get the authority to access the radio channel due to more competitors access the radio channel simultaneously. To cope with this issue, we proposed a guarantee time slot mechanism to enhance the performance and utilization of using...
Compared with traditional verification method for structural correctness of model based on Petri net graph reduction, The method in text adds reduction methods for the general iterative structure and the adjacent structure. A method for converting the non-freely chosen WF-net model into the freely chosen WF-net model in equivalence is put forward, therefore realizing the verification for all kinds...
Efficient network transmission technology is one of the key technologies of stereoscopic video. This paper envisages a scenario of stereoscopic video transmitting over IP networking and puts forward so called Multi-View Data Conduit protocol (MVDC) which is an efficient network transmission technology for stereoscopic video using layered architecture of the scalable extension of H.264. The paper also...
An issue pertinent to the design of checkpointing protocols is how to improve the autonomy of checkpointing and keep computation loss under control. To address the problem, a time-based multi-cycle checkpointing protocol is proposed in this paper. In this protocol, processes are allowed to take checkpoints with desired checkpoint cycles. To enable recent checkpoints to be used to form a consistent...
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