Blockchain has shown a great potential in Internet of Things (IoT) ecosystems for establishing trust and consensus mechanisms without involvement any third party. Understanding the relationship between communication blockchain as well performance constraints posing on counterparts can facilitate designing dedicated blockchain-enabled IoT systems. In this paper, we establish an analytical model wireless system. By considering spatio-temporal domain Poisson distribution, i.e., node...

A clear understanding of mixed-numerology signals multiplexing and isolation in the physical layer is importance to enable spectrum efficient radio access network (RAN) slicing, where available resource divided into slices cater services/users with optimal individual design. In this paper, a RAN slicing framework proposed systematically analyzed from perspective. According baseband frequency (RF) configurations imparities among slices, we categorize four scenarios elaborate on numerology...

Recent advances in meta-materials offer the prospect of deploying smart surfaces, or intelligent reflecting surfaces (IRS), that can manipulate electromagnetic (EM) channels and expand their achievable capacity. In this paper, we investigate programmable channel multi-user multiple input output (MU-MIMO) transmission beamforming using meta-surface with elements. We first model MU-MIMO channel, optimal solution is derived based on proposed Linearly Constrained Minimum Variance (MU-LCMV)...

Blockchain has shown a great potential for Internet of Things (IoT) systems to establish trust and consensus mechanisms with no involvement any third party. It been not clear how the low complexity devices wireless communications among them can pose constraints on blockchain enabled IoT systems. In this paper, we fundamental analysis model underpin system. By considering spatio-temporal domain Poisson distribution, i.e., node geographical distribution transaction arrival rate in time are...

In this paper, we establish a comprehensive uplink system model for in-band and guard-band Narrowband Internet of Things (NB-IoT) with arbitrary sample duration in the NB-IoT device. The mathematical expressions received LTE signals are derived. Moreover, close-form interference power on signal from adjacent is given analytically. result shows that device has significant impact its desired to user equipment (UE). Numerical results show analytical match simulated ones perfectly, which...

The millimeter-Wave (mmWave) communication with the advantages of abundant bandwidth and immunity to interference has been deemed a promising technology greatly improve network capacity. However, due such characteristics mmWave, as short transmission distance, high sensitivity blockage, large propagation path loss, handover issues (including trigger condition target beam selection) become much complicated. In this paper, we design novel scheme optimize overall system throughput well total...

Addressing challenges regarding Hybrid Optoelectronic Network-on-Chip systems, such as congestion control, their limited adaptability, and inability to facilitate optoelectronic co-simulation, this study introduces an adaptive hybrid interconnection shunt structure tailored for reconfigurable array processors. Within framework, routing algorithm a low-loss non-blocking five-port optical router are developed. Furthermore, simulation model performance statistical model, established using...

One of the fundamental problems for hybrid beamformer design in MIMO systems is that, Singular-Value-Decomposition (SVD) based beamforming, analog limited to constant modulus. In order solve this issue, an algorithm proposed paper. Specifically, parallel data streams are expressed mathematically, and then math expression achieved through maximizing power desired while minimizing interference. Then, digital part calculated on a channel equivalent process, i.e., considering phase response...

OTN packet switching interface chip make a continuous frame data stream into discrete packets, supports cutting different types and transport crossing clock such as ODU0, ODU1, ODU2. The traditional way that using large number of asynchronous FIFOs will lead area. In order to utilize FPGA resources efficiently improve the maximum working frequency, present Asynchronous storage technology for Segmentation in 40-Gb/s Optical Transport Network(OTN). Key is method Time-sharing memory circuit...

With the development of silicon photonics and wavelength division multiplexing, advantages on-chip optical interconnection, such as low loss, delay high bandwidth, can make up for disadvantages electrical interconnection. However, with increase network scale complexity, a series problems, communication congestion, utilization rate microring resonator insertion appear in interconnection network. The traditional structure is relatively fixed cannot meet needs reconfigurable array processors....