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We consider a two-user non-orthogonal-multiple-access (NOMA) communication channel with an iterative multi-user receiver. It is known that NOMA provides performance gains over conventional orthogonal-multiple-access, but it comes at the cost of increased decoder complexity. Moreover, the decoder complexity varies with fraction of duration in which the users' transmissions overlap using NOMA. For this...
Falls are a critical public health issue among elderly people that requires continuous monitoring. This paper presents a patient-specific single sensor fall detection system that utilizes a tri-axial accelerometer data measured from the patient's trouser pocket to distinguish between activities of daily living (ADL) and falls. The proposed system which is implemented on FPGA provides the following...
This work presents the VLSI hardware implementation of a novel Belief Propagation (BP) algorithm introduced in [G. Montorsi, “Analog digital belief propagation,” IEEE Commun. Lett., vol. 16, no. 7, pp. 1106–1109, 2012] and named as Analog Digital Belief Propagation (ADBP). The ADBP algorithm works on factor graphs over linear models and uses messages in the form of Gaussian like probability distributions...
This paper presents a bottom up approach for implementing high throughput, scalable, layered LDPC decoding architecture for multi-standard applications. A generic implementation of fully parallel check node along with a block level Channel Memory organization scheme are two elements of novelty of this work. The proposed decoder IP core is synthesizable for all codes defined by WiMAX (WiFi) standards...
The evolution of computer is started from human dependent to self-management. With the development of technology, people want to manage the complex systems in an efficient and reliable manner. Database Management Systems (DBMSs) started from the single user with limited operations; and with the passage of time more functionality is added to meet the need of the users. Maximum number of operations,...
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