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Shylashree  N.  Venkatesh  B.  Saurab  T. M.  Srinivasan  Tarun  Nath  Vijay 《Microsystem Technologies》2019,25(6):2349-2359

All modern computational devices consist of ALU. With increase in complexity of software and the consistent shift of software towards parallelism, high speed processors with hardware support for time consuming operations such as multiplication would benefit. Smaller, compact devices such as IoT devices need to run software such as security software and be able to offload computation cost from the cloud. In this paper, a high speed 8-bit ALU using 18 nm FinFET technology is proposed. The arithmetic and logical unit consists of fast compute units such as Kogge Stone fast adder and Dadda multiplier along with basic logic gates. In this paper, an ALU with each compute unit optimized for speed is proposed, while responsibly consuming area. Dadda multiplier is of 8 × 8 architecture as opposed to conventional approach of 4 × 4 making it a true 8-bit ALU. Simulation and analysis is done using Cadence Virtuoso in Analog Design Environment. The transistor count of proposed design is 5298, the power consumption is 219 µW and maximum delay is 166.8 ps. The design is also expected to consume a maximum of one clock cycle for any computation.

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Video and audio compression techniques allow continuous media streams to be transmitted at bit rates that are a function of the delivered quality of service. Digital networks will be increasingly used for the transmission of such continuous media streams. This paper describes an admission control policy in which the quality of service is negotiated at stream initiation, and is a function of both the desired quality of service and the available bandwidth resources. The advantage of this approach is the ability to robustly service large numbers of users, while providing increased quality of service during low usage periods. Several simple algorithms for implementing this policy are described and evaluated via simulation for a video-on-demand scenario.  相似文献   
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