Zhongjiang Yan
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View article: A WLAN-oriented distributed hierarchical parallel simulation method
A WLAN-oriented distributed hierarchical parallel simulation method Open
To solve the problem that the efficiency decreases with the increase of terminal nodes in wireless local area network(WLAN) distributed parallel simulation, a WLAN-oriented distributed hierarchical parallel simulation method is proposed. F…
View article: Age of Information for Monitoring over a BLE Advertising Network
Age of Information for Monitoring over a BLE Advertising Network Open
View article: Modeling and Analysis of the Performance for CIS-based Bluetooth LE Audio
Modeling and Analysis of the Performance for CIS-based Bluetooth LE Audio Open
Wireless audio transmission has always been the focus of Bluetooth application scenarios. Future audio use cases, such as multi-streaming to assist stereo imaging experiences, broadcast audio sharing, hearing aid support, etc., have higher…
View article: Adaptive channel reservation multiple access protocol based on differentiated traffic guarantee
Adaptive channel reservation multiple access protocol based on differentiated traffic guarantee Open
Ad Hoc network is widely used because of its distributed flexibility, in which nodes may generate different types of traffic, and some high-priority traffic requires lower delay and other Quality of service (QoS) requirements. However, as …
View article: Fairness guarantee algorithm of high-density WLAN based on neural network and genetic algorithm
Fairness guarantee algorithm of high-density WLAN based on neural network and genetic algorithm Open
In order to meet the growing requirements of users for wireless services in various scenarios, highly densely deployed wireless local area network(WLAN) will be developed. However, due to the limited frequency resources, there must be a la…
View article: Modelling and Analysis of the Performance for Bluetooth Low Energy
Modelling and Analysis of the Performance for Bluetooth Low Energy Open
For the Bluetooth Low Energy (BLE) connection events, a 2-dimensional Markov chain-based model is proposed in this letter, to compute and analyze the duration, duty cycle, power consumption and the maximum throughputs. A general applicatio…
View article: Modelling and Analysis of the Performance for Bluetooth Low Energy
Modelling and Analysis of the Performance for Bluetooth Low Energy Open
For the Bluetooth Low Energy (BLE) connection events, a 2-dimensional Markov chain-based model is proposed in this letter, to compute and analyze the duration, duty cycle, power consumption and the maximum throughputs. A general applicatio…
View article: An Adaptive Hybrid Channel Reservation Medium Access Control Protocol for Differentiated QoS
An Adaptive Hybrid Channel Reservation Medium Access Control Protocol for Differentiated QoS Open
In a densely deployed distributed wireless network, there may be various types of traffic with differentiated Quality of Service (QoS) requirements. However, when the network is heavily loaded, the collision increases significantly, making…
View article: An Adaptive Channel Reservation MAC Protocol Based on Forwarding Traffic of Key Nodes
An Adaptive Channel Reservation MAC Protocol Based on Forwarding Traffic of Key Nodes Open
Ad Hoc networks with multi-hop topology are widely used in military and civilian applications. One challenge for Ad Hoc networks is to design efficient Media Access Control (MAC) protocols to ensure the quality of service (QoS). In Ad Hoc …
View article: A method of combining traffic classification and traffic prediction based on machine learning in wireless networks
A method of combining traffic classification and traffic prediction based on machine learning in wireless networks Open
With the increasing number of service types of wireless network and the increasingly obvious differentiation of quality of service (QoS) requirements, the traffic flow classification and traffic prediction technology are of great significa…
View article: Insights on the Next Generation WLAN: High Experiences (HEX)
Insights on the Next Generation WLAN: High Experiences (HEX) Open
Wireless local area network (WLAN) witnesses a very fast growth in the past 20 years by taking the maximum throughput as the key technical objective. However, the quality of experience (QoE) is the most important concern of wireless networ…
View article: Sensing Assisted Communication for the Next Generation mmWave WLAN: System Simulation Perspective
Sensing Assisted Communication for the Next Generation mmWave WLAN: System Simulation Perspective Open
With the proliferating of wireless demands, wireless local area network (WLAN) becomes one of the most important wireless networks. Network intelligence is promising for the next generation wireless networks, captured lots of attentions. S…
View article: Central node selection algorithm of minimizing maximum weighted response time based on dynamic programming
Central node selection algorithm of minimizing maximum weighted response time based on dynamic programming Open
In order to minimize the maximum weighted response time for any node in the network to reach the central control node, a central control node election algorithm based on dynamic programming is proposed. Firstly, the response times of nodes…
View article: Study on fine-grained mechanism of delay guarantee based on idea of particle access in wireless networks
Study on fine-grained mechanism of delay guarantee based on idea of particle access in wireless networks Open
Aiming at the problems existing in the current mechanisms of delay guarantee in wireless networks(i.e. poor scalability, coarse granularity for provided service levels, and improving delay performance at the expense of sacrificing some res…
View article: On the necessity of separating MAC protocols into data and control planes
On the necessity of separating MAC protocols into data and control planes Open
The network protocol architecture not only can be designed from the traditional view of layers, but also can be designed from the view of planes, i.e., the data, control and management planes. Media access control (MAC) is a function of th…
View article: Idea and Theory of Particle Access
Idea and Theory of Particle Access Open
Aiming at some problems existing in the current quality of service (QoS) mechanism of large-scale networks (i.e. poor scalability, coarse granularity for provided service levels, poor fairness between different service levels, and improvin…
View article: Theory of Network Wave
Theory of Network Wave Open
Aiming at the disorder problem (i.e. uncertainty problem) of the utilization of network resources commonly existing in multi-hop transmission networks, the paper proposes the idea and the corresponding supporting theory, i.e. theory of net…
View article: An multi-BSS multi-user full duplex MAC protocol based on AP cooperation for the next generation WLAN
An multi-BSS multi-user full duplex MAC protocol based on AP cooperation for the next generation WLAN Open
Aiming at the problems of low efficiency of buffer information collection and sharp drop of system throughput caused by the aggravation of conflicts in the multi basic service set (BSS) high density deployment overlap coverage scenario of …
View article: An asynchronous neighbor discovery protocol based on double tokens in directional ad hoc networks
An asynchronous neighbor discovery protocol based on double tokens in directional ad hoc networks Open
Aiming at the problem of slow neighbor discovery speed of sector antenna neighbor discovery (SAND) protocol based single token, an asynchronous sector antenna neighbor discovery protocol based double tokens (D-SAND) is proposed. The double…
View article: A Spatial Group-Based Multi-User Full-Duplex OFDMA MAC Protocol for the Next-Generation WLAN
A Spatial Group-Based Multi-User Full-Duplex OFDMA MAC Protocol for the Next-Generation WLAN Open
The Wireless Local Area Network (WLAN) has become a dominant piece of technology to carry wireless traffic for Internet of Things (IoT). The next-generation high-density WLAN scenario is very suitable for the development trend of the indus…
View article: Group-Based Uplink OFDMA Random Access Algorithm for Next-Generation WLANs
Group-Based Uplink OFDMA Random Access Algorithm for Next-Generation WLANs Open
The traditional wireless local area network(WLAN) standard, IEEE 802.11, adopts carrier sense multiple access/collision avoidance(CSMA/CA) mechanism to allow a single user to compete for channel access. The upcoming WLAN standard, IEEE 802…
View article: LC-DFSA: Low Complexity Dynamic Frame Slotted Aloha Anti-Collision Algorithm for RFID System
LC-DFSA: Low Complexity Dynamic Frame Slotted Aloha Anti-Collision Algorithm for RFID System Open
With the rapid development of the Internet of Things (IoT), the radio frequency identification (RFID) system becomes increasingly important. Tag identification is a basic problem of the RFID system, whose purpose is to inventory tags. Howe…
View article: Joint Optimization of User Association and Resource Allocation for Millimeter-Wave Integrated Backhaul and Access Network
Joint Optimization of User Association and Resource Allocation for Millimeter-Wave Integrated Backhaul and Access Network Open
Since the millimeter wave integrated backhaul and access network(mm-Wave IBAN) can divide the resource ratio between the access and the backhaul link as needed, there is a huge advantage in the improvement of the utilization rate for 5G co…
View article: Multiple BSSs Association Based Spatial Clustering Group Access Protocol for Next Generation WLAN
Multiple BSSs Association Based Spatial Clustering Group Access Protocol for Next Generation WLAN Open
The next generation Wireless Local Area Network (WLAN) IEEE 802.11be regards Extremely High Throughput (EHT) as its core technology goal, among which multi-band capability and AP cooperation technology are regarded as its key technologies.…
View article: A General Hybrid Precoding Method for mmWave Massive MIMO Systems
A General Hybrid Precoding Method for mmWave Massive MIMO Systems Open
Recently, hybrid precoding architectures have been proposed for the purpose of practical implementation of massive Multiple-Input Multiple-Output (MIMO) systems in the Fifth Generation (5G) networks. In this paper, a general precoding meth…
View article: Memory Compact High-Speed QC-LDPC Decoder Based on FPGA
Memory Compact High-Speed QC-LDPC Decoder Based on FPGA Open
In this paper, two compact memory strategies for partially parallel QC-LDPC decoder architecture are proposed. By compacting several adjacent rows hard decisions and extrinsic messages into one memory entry, which not only reduces the numb…
View article: A General Hybrid Precoding Method for mmWave Massive MIMO Systems
A General Hybrid Precoding Method for mmWave Massive MIMO Systems Open
Recently, hybrid precoding architectures have been proposed for the purpose of practical implementation of massive Multiple-Input Multiple-Output (MIMO) systems in the Fifth Generation (5G) networks. In this paper, a general precoding meth…
View article: A Bi-Directional Carrier Sense Collision Avoidance Neighbor Discovery Algorithm in Directional Wireless Ad Hoc Sensor Networks
A Bi-Directional Carrier Sense Collision Avoidance Neighbor Discovery Algorithm in Directional Wireless Ad Hoc Sensor Networks Open
From the perspective of media protocol control and routing of directional wireless ad hoc sensors networks, neighbor discovery protocol is an important problem to be solved first. In the past period of time, some methods have been studied …
View article: Design and implementation of DSR routing table entries for FPGA
Design and implementation of DSR routing table entries for FPGA Open
Ad Hoc network is a new type of communication technology that has developed rapidly in the field of wireless communication in recent years. It does not rely on fixed communications infrastructure, and has great flexibility and independence…
View article: The Model Research on Location Fusion Algorithm with Big Data Selection and Accuracy Correction
The Model Research on Location Fusion Algorithm with Big Data Selection and Accuracy Correction Open
As the requirements of smart, reliable and precise location for a vehicle, the model of fusion location algorithm with big data selection and accuracy correction is established to achieve reliable and low-cost fusion location. In this pape…