Results 1 to 10 of about 77,439 (303)
Passively Controllable Smart Antennas [PDF]
2010 IEEE Global Telecommunications Conference GLOBECOM 2010, 2010 We recently introduced passively controllable smart (PCS) antenna systems for efficient wireless transmission, with direct applications in wireless sensor networks. A PCS antenna system is accompanied by a tunable passive controller whose adjustment at every signal transmission generates a specific radiation pattern.
Lavaei, Javad +3 more
openaire +5 more sources
Secure Communication for Uplink Cellular Networks Assisted with Full-Duplex Device-to-Device User
Future Internet, 2020 In this paper, the secure communication based on the full-duplex (FD) device-to-device (D2D) in cellular networks is proposed. For the proposed scheme, the novel model is established, in which a D2D user is played as a relay operating in FD mode to ...
Xin Song, Lin Xia, Siyang Xu, Yue Wang
doaj +1 more source
A Novel Resource Allocation Scheme in NOMA-Based Cellular Network with D2D Communications
Future Internet, 2020 Non-orthogonal multiple access (NOMA) has become a promising technology for 5G. With the support of effective resource allocation algorithms, it can improve the spectrum resource utilization and system throughput.
Jingpu Wang, Xin Song, Yatao Ma
doaj +1 more source
SN Applied Sciences, 2022 A wireless smart gear system has been being developed as a gear health monitoring system. This system works based on the magnetic coupling between its two major elements consisting of a monitoring antenna and a smart gear.
Thanh-Tung Mac +6 more
doaj +1 more source
UTHM water quality classification based on sub index [PDF]
, 2020 River or stream at their source is unpolluted, but as water flow downstream, the river or lake is receiving point and non-point pollutant source. Ammoniacal nitrogen (NH3- N) and suspended solids (SS) strongly influences the dynamics of the dissolved ...
Johari, A. H. +2 more
core +1 more source
Energy Efficient Power Allocation for Downlink NOMA Heterogeneous Networks With Imperfect CSI
IEEE Access, 2019 Non-orthogonal multiple access (NOMA) is a promising emerging technology that can significantly improve the utilization of spectrum and system capacity in heterogeneous wireless networks.
Xin Song +4 more
doaj +1 more source
An Invariant Dual-beam Snowflake Antenna for Future 5G Communications [PDF]
, 2018 A broadband snowflake antenna for future 5G and millimeter-wave communications is presented. The proposed antenna has a size of 8 × 5 mm 2 . The antenna consists of a central hexagon surrounded by a series of symmetrically placed smaller hexagons around ...
Abbasi, Qammer H. +3 more
core +1 more source
Future Internet, 2019 In this paper, we propose an optimal time and power allocation scheme in a wireless power supply full-duplex (FD) relay system, where we consider the number of relay antennas in the energy harvesting stage.
Xin Song +4 more
doaj +1 more source
Smart Antennas and Intelligent Sensors Based Systems: Enabling Technologies and Applications [PDF]
, 2019 open access articleThe growing communication and computing capabilities in the devices enlarge the connected world and improve the human life comfort level.
Fawad, Zaman +3 more
core +1 more source
Joint Uplink and Downlink Resource Allocation for D2D Communications System
Future Internet, 2019 In cellular networks, device-to-device communications can increase the spectrum efficiency, but some conventional schemes only consider uplink or downlink resource allocation.
Xin Song +4 more
doaj +1 more source