Abstract Low interfacial ion transfer kinetics and structure instability of solid‐state electrolytes are the bottleneck which seriously limits working life energy density flexible zinc–air batteries (ZABs). Herein, an optimized electrode–electrolyte integrated MXene/Zn‐layered double hydroxides (LDH)‐array@PVA is developed via electrochemical Zn deposition, in situ LDH growth, polymer infiltration, crosslinking route, integrating anode gel electrolyte (GPE) for high‐performance ZABs. The...

Reconfigurable intelligent surface (RIS) has emerged as a promising technique for future wireless communication networks. How to reliably transmit information in RIS-based system arouses much interest. This paper proposes reflecting modulation (RM) scheme communications, where both the patterns and signals can carry information. Depending on that transmitter RIS jointly or independently deliver information, RM is further classified into two categories: mapped (JRM) separately (SRM). JRM SRM...

A single-input and single-output (SISO) frequency-modulated continuous wave (FMCW) radar architecture is proposed in vivo demonstrated for remote 2-D localization (range angular information) vital signs monitoring of multiple subjects. The sensor integrates two frequency scanning antennas which allow separation enable determining a map versus angle) room environment from people can be distinguished objects clutter. After technical tests to validate the functionality data processing...

Nowadays, Internet of Things (IoT) gives rise to a huge amount data. IoT nodes equipped with smart sensors can immediately extract meaningful knowledge from the data through machine learning technologies. Deep (DL) is constantly contributing significant progress in sensing due its dramatic superiorities over traditional learning. The promising prospect wide-range applications puts forwards demands on ubiquitous deployment DL under various contexts. As result, performing mobile or embedded...

This paper investigates the generic signal shaping methods for multiple-data-stream generalized spatial modulation (GenSM) and quadrature (GenQSM). Three cases with different channel state information at transmitter (CSIT) are considered, including no CSIT, statistical perfect CSIT. A unified optimization problem is formulated to find optimal transmit vector set under size, power, sparsity constraints. We propose an optimization-based (OBSS) approach by solving directly a codebook-based...

This letter proposes a jointly mapped spatial modulation (JM-SM) scheme to break through the constraint on number of transmit antennas in traditional SM systems. It is realized via mapping information bits 3-D constellation points. A design for JM-SM analyzed and established by minimizing system average bit error probability (ABEP). In addition, extension joint generalized discussed. The simulation results show that proposed schemes can be adapted multiple-input multiple-output systems with...

This paper proposes a generalized beamspace modulation using multiplexing (GBMM) scheme for millimeter wave (mmWave) multiple-input multiple-output (MIMO) communications with reduced radio frequency (RF) chains. Besides achieving gain over the selected set, GBMM additionally makes use of index set to carry information. In proposed GBMM, sets are non-uniformly activated. We investigate spectral efficiency (SE) and SE-oriented activation probability optimization as well hybrid precoder design....

Electric vehicles networks have become hot topics in research and industry played an important role smart future cities. However, high energy consumption is a significantly challenge for these applications. This article proposes electric cloud computing framework to perform energy-efficient heterogeneous networking network The software-defined ideas used enable different devices including access the connected. edge exploited run quick communication application. Then method presented overcome...

Reconfigurable intelligent surfaces (RISs) have attracted extensive attention in recent years due to their strong ability improve and customize electromagnetic wave propagation channels wireless communications. In this article, we propose a design procedure for an RIS its programmable element, whose reflection phase amplitude can be jointly controlled by adjusting the states of varactor PIN-diode. addition, introducing metallic vias element maintain stable responses under illumination...

Spatial modulation (SM) conveys information bits by utilizing both the antenna index and complex symbols to form a 3-D constellation. Similar 2-D modulation, structure of constellation could greatly affect transmission reliability. In this paper, generalized design is proposed optimize diagram used for each antenna, i.e., their total number finally enhance The optimal method with exhaustive search algorithm may cause prohibitive computational complexity, especially when cardinality large. To...

This work focuses on the design and analysis of link-adaptive bits-to-antenna-indexes mapping for closed-loop space-shift keying (SSK)-modulated multiple-input multiple-output (MIMO) systems. With aim achieving a lower bit error rate (BER), optimal mappers are designed under different transmission conditions. Assuming that perfect channel state information (CSI) is available at transceivers, an original binary switch algorithm (OBSA) proposed. For case in which there no CSI transmitter...

Smart building is an effective solution to address the issue of energy consumption in today's cyber-physical systems (CPSs) connected world. As important tool collect information from a fleet electric appliance that installed scope, wireless sensor network widely employed for this purpose. In paper, we propose incorporate forward error correction into media access control layer IEEE 802.15.4 standard packets transmission, as originally used automatic repeat request mechanism timing and...

Abstract With the development of cloud-edge collaborative computing, cloud computing has become crucial in data analysis and processing. OpenStack Docker are important components integration two always attracted widespread attention industry. The scheduling mechanism adopted by existing fusion solution uses a uniform resource weight for all containers, nodes resources on platform is unbalanced under differentiated requirements containers. Therefore, considering different network...

This paper presents a wakeup receiver for latency-critical IoT applications in 90nm CMOS, which is fully compliant to many popular wireless standards with constant envelope modulations, such as Bluetooth Low Energy and IEEE802.15.4. Paired standard-compliant transmitter, the proposed method minimizes overhead system power, area complexity. The 2-dimensional pattern reduces latency of event below 100μs. Supplied at battery voltage 2V, chip integrates power management unit, offset noise...