Search results for: Lin X Cai

Items from 1 to 20 out of 58 results

article

Sustainable Cooperative Communication in Wireless Powered Networks With Energy Harvesting Relay

Zhao Chen, Lin X. Cai, Yu Cheng, Hangguan Shan

IEEE Transactions on Wireless Communications > 2017 > 16 > 12 > 8175 - 8189

In this paper, we consider a fully sustainable cooperative communication system which consists of multiple source nodes with radio-frequency (RF) energy harvesting capabilities, a half-duplex relay node with renewable energy supplies, and a destination node. Specifically, the relay node is powered by the green energy harvested from renewable sources such as solar or wind, while the source nodes are...

article

On the Buffer Energy Aware Adaptive Relaying in Multiple Relay Network

Yong Liu, Qingchun Chen, Xiaohu Tang, Lin X. Cai

IEEE Transactions on Wireless Communications > 2017 > 16 > 9 > 6248 - 6263

In this paper, we study a buffer-aided collaborative relaying framework for cooperative communication system composed of one source node, multiple half-duplex DF relays with buffers, and one destination node. A two-phase adaptive relaying scheme is proposed, i.e., the source transmits data and the relay buffers receive data in the first phase, and all relays collaboratively transmit the buffered data...

article

Dynamic Path To Stability in LTE-Unlicensed With User Mobility: A Matching Framework

Yunan Gu, Chunxiao Jiang, Lin X. Cai, Miao Pan, more

IEEE Transactions on Wireless Communications > 2017 > 16 > 7 > 4547 - 4561

LTE-Unlicensed has recently captured intense attention from both academic and industrial fields. By integrating the unlicensed spectrum with the licensed spectrum, using carrier aggregation, LTE-Unlicensed users can experience enhanced transmission while maintaining the seamless mobility management and predictable performance. However, due to different transmission regulations, the coordination between...

chapter

Distributed resource sharing in fog-assisted big data streaming

Bo Yin, Wenlong Shen, Yu Cheng, Lin X. Cai, more

2017 IEEE International Conference on Communications (ICC) > 1 - 6

ICC 2017 - 2017 IEEE International Conference on Communications

Fog computing is a promising architectural pattern to reduce the amount of data that is transferred to the cloud for processing and analysis. In this paper, we study fog-assisted data streaming scenario in which fog nodes at the network edge share their spare resources to help pre-process raw data of applications hosted in the cloud. A distributed resource sharing scheme is presented where the software...

chapter

Enabling efficient multi-channel bonding for IEEE 802.11ac WLANs

Sami Khairy, Mengqi Han, Lin X. Cai, Yu Cheng, more

2017 IEEE International Conference on Communications (ICC) > 1 - 6

ICC 2017 - 2017 IEEE International Conference on Communications

In this paper, an analytical model is developed to study the performance of distributed and opportunistic multichannel bonding in IEEE 802.11ac WLANs, with co-existing legacy IEEE 802.11a/b/g users. By modeling the transmissions of legacy users and ac users with and without channel bonding in each channel as a two-level renewal process, the channel bonding probability of ac users in each secondary...

chapter

Energy-throughput tradeoff in sustainable Cloud-RAN with energy harvesting

Zhao Chen, Ziru Chen, Lin X. Cai, Yu Cheng

2017 IEEE International Conference on Communications (ICC) > 1 - 6

ICC 2017 - 2017 IEEE International Conference on Communications

In this paper, we investigate joint beamforming for energy-throughput tradeoff in a sustainable cloud radio access network system, where multiple base stations (BSs) powered by independent renewable energy sources will collaboratively transmit wireless information and energy to the data receiver and the energy receiver simultaneously. In order to obtain the optimal joint beamforming design over a...

article

Proportional Fairness-Based Resource Allocation for LTE-U Coexisting With Wi-Fi

Hongli He, Hangguan Shan, Aiping Huang, Lin X. Cai, more

IEEE Access > 2017 > 5 > 4720 - 4731

To further boost the performance of LTE to meet the ever-increasing mobile traffic demand in a cost-effective way, applying LTE in unlicensed spectrum, known as LTE-U technology, is considered as a promising complementary solution for achieving the ultra-capacity foreseen in 5G and beyond. In the unlicensed spectrum, LTE-U will share the channel with other unlicensed networks, e.g., Wi-Fi. However,...

article

A Multi-Leader Multi-Follower Stackelberg Game for Resource Management in LTE Unlicensed

Huaqing Zhang, Yong Xiao, Lin X. Cai, Dusit Niyato, more

IEEE Transactions on Wireless Communications > 2017 > 16 > 1 > 348 - 361

It is known that the capacity of the cellular network can be significantly improved when cellular operators are allowed to access the unlicensed spectrum. Nevertheless, when multiple operators serve their user equipments (UEs) in the same unlicensed spectrum, the inter-operator interference management becomes a challenging task. In this paper, we develop a multi-operator multi-UE Stackelberg game...

chapter

Resource Allocation for Green Cloud Radio Access Networks Powered by Renewable Energy

Deyu Zhang, Zhigang Chen, Lin X. Cai, Haibo Zhou, more

2016 IEEE Global Communications Conference (GLOBECOM) > 1 - 6

GLOBECOM 2016 - 2016 IEEE Global Communications Conference

In this paper, we investigate the sustainable resource allocation for green Cloud Radio Access Networks (C-RAN) powered by renewable energy. Specifically, the Base Station pool (BS pool) in the C-RAN distributes data to a set of remote radio heads (RRHs) with energy harvesting (EH) capability, and allocates sub-carriers to the selected RRHs for downlink transmissions, by jointly considering the user...

chapter

Performance Analysis of Opportunistic Channel Bonding in Multi-Channel WLANs

Mengqi Han, Sami Khairy, Lin X. Cai, Yu Cheng

2016 IEEE Global Communications Conference (GLOBECOM) > 1 - 6

GLOBECOM 2016 - 2016 IEEE Global Communications Conference

In this paper, an analytical framework is developed to study the performance of opportunistic channel bonding in IEEE 802.11 WLANs. Specifically, we consider a WLAN operating on multiple channels shared by both legacy users and IEEE 802.11ac users with channel bonding capability. By capturing the opportunistic channel bonding from the IEEE 802.11ac users in the primary channel and the random access...

chapter

Exploiting the Stable Fixture Matching Game for Content Sharing in D2D-Based LTE-V2X Communications

Yunan Gu, Lin X. Cai, Miao Pan, Lingyang Song, more

2016 IEEE Global Communications Conference (GLOBECOM) > 1 - 6

GLOBECOM 2016 - 2016 IEEE Global Communications Conference

The study item: "Feasibility Study on LTE-based V2X Services", approved at 3GPP TSG RAN #68, has aroused the interest in the study of LTE assisted vehicle-to-vehicle (V2V) and vehicle-to- infrastructure (V2I) communications in the networks of connected vehicles. By deploying the direct device-to-device (D2D) technology of traditional cellular networks into the V2X (including both V2V and...

chapter

A Location Aware Game Theoretic Approach for Charging Plug-In Hybrid Electric Vehicles

Aurobinda Laha, Bo Yin, Yu Cheng, Lin X. Cai

2016 IEEE Global Communications Conference (GLOBECOM) > 1 - 6

GLOBECOM 2016 - 2016 IEEE Global Communications Conference

This paper studies the charging problem of plug-in hybrid electric vehicles (PHEVs) with a game theoretic approach. The interplay between PHEVs and smart micro-grid charging stations are modeled as a multi-leader-multi-flower Stackelberg game. In the game, each PHEV needs to select a charging station for maximum utility given the charging prices from each station; and each charging station needs to...

article

LTE-Unlicensed Coexistence Mechanism: A Matching Game Framework

Yunan Gu, Yanru Zhang, Lin X. Cai, Miao Pan, more

IEEE Wireless Communications > 2016 > 23 > 6 > 54 - 60

Integrating LTE-A into unlicensed spectrum using carrier aggregation, LTE-Unlicensed is considered as a promising solution with the benefits of enhanced transmission and seamless user experience. However, it is still facing some major design challenges, especially the coexistence of multiple systems (LTE/Wi-Fi) within the shared unlicensed spectrum. In this work, a matching game framework is presented...

article

On Optimal Device-to-Device Resource Allocation for Minimizing End-to-End Delay in VANETs

Xianghui Cao, Lu Liu, Yu Cheng, Lin X. Cai, more

IEEE Transactions on Vehicular Technology > 2016 > 65 > 10 > 7905 - 7916

In vehicular ad hoc networks (VANETs), the IEEE 802.11p is a popular and standardized protocol for communications among vehicles and infrastructure (e.g., roadside units). However, because of a limited communication range and the randomly access nature of the carrier sense multiple access with collision avoidance (CSMA/CA) mechanism, the end-to-end delay could be high due to both store-and-catch-up...

article

Secure device-to-device communications over WiFi direct

Wenlong Shen, Bo Yin, Xianghui Cao, Lin X. Cai, more

IEEE Network > 2016 > 30 > 5 > 4 - 9

D2D communications facilitate proximal devices to directly communicate with each other, bypassing cellular base stations or access points, and bring many benefits such as improvement in both spectral efficiency and energy efficiency. Among existing D2D enabling techniques, the recently released WiFi Direct is one promising protocol that offers high data rate D2D communications in local areas. However,...

chapter

Development of Mobile Ad-hoc Networks over Wi-Fi Direct with off-the-shelf Android phones

Kecheng Liu, Wenlong Shen, Bo Yin, Xianghui Cao, more

2016 IEEE International Conference on Communications (ICC) > 1 - 6

ICC 2016 - 2016 IEEE International Conference on Communications

The proliferation of smart phones enables ubiquitous Mobile Ad-hoc Networks (MANETs) where mobile devices communicate with peers over a wireless channel in an ad hoc mode. In this paper, we introduce a novel method to achieve multi-hop communication among open-source, non-rooted Android devices using Wi-Fi Direct Technology, also known as Wi-Fi Peer-to-Peer (P2P). Then we implement a proactive routing...

article

Energy and Memory Efficient Clone Detection in Wireless Sensor Networks

Zhongming Zheng, Anfeng Liu, Lin X. Cai, Zhigang Chen, more

IEEE Transactions on Mobile Computing > 2016 > 15 > 5 > 1130 - 1143

In this paper, we propose an energy-efficient location-aware clone detection protocol in densely deployed WSNs, which can guarantee successful clone attack detection and maintain satisfactory network lifetime. Specifically, we exploit the location information of sensors and randomly select witnesses located in a ring area to verify the legitimacy of sensors and to report detected clone attacks. The...

chapter

Performance evaluation for caching-based content distribution in backhaul-limited small cell networks

Ronghui Hou, Yu Cheng, Lin X. Cai, Hongcheng Zhuang

2015 International Conference on Wireless Communications & Signal Processing (WCSP) > 1 - 5

2015 International Conference on Wireless Communications & Signal Processing (WCSP)

Distributed caching at the edge can reduce the backhaul resource consumption, which is considered as a major way to improve network capacity in dense small cell networks. In this paper, we consider the caching-based content distribution in dense small cell networks. In such a content distribution system, the most critical metric is the user request blocking probability. A user's request will be rejected...

chapter

On the buffer-aided collaborative relaying scheme for asymmetric parallel relay networks

Yong Liu, Qingchun Chen, Xiaohu Tang, Hongbin Liang, more

2015 International Conference on Wireless Communications & Signal Processing (WCSP) > 1 - 5

2015 International Conference on Wireless Communications & Signal Processing (WCSP)

In this paper, we study a buffer aided collaborative relaying protocol for an asymmetric parallel relay network composed of one source node, two half-duplex decode-and-forward (DF) relays with buffers, and one destination node. The proposed protocol incorporates a two-phase relay communication: in the first phase, one selected relay receives the data from the source and buffers the data; and in the...

article

LTE-unlicensed: the future of spectrum aggregation for cellular networks

Ran Zhang, Miao Wang, Lin X. Cai, Zhongming Zheng, more

IEEE Wireless Communications > 2015 > 22 > 3 > 150 - 159

The phenomenal growth of mobile data demand has brought about increasing scarcity in available radio spectrum. Meanwhile, mobile customers pay more attention to their own experience, especially in communication reliability and service continuity on the move. To address these issues, LTE-Unlicensed, or LTEU, is considered one of the latest groundbreaking innovations to provide high performance and...

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INFONA - science communication portal

Search results for: Lin X Cai

Sustainable Cooperative Communication in Wireless Powered Networks With Energy Harvesting Relay

On the Buffer Energy Aware Adaptive Relaying in Multiple Relay Network

Dynamic Path To Stability in LTE-Unlicensed With User Mobility: A Matching Framework

Distributed resource sharing in fog-assisted big data streaming

Enabling efficient multi-channel bonding for IEEE 802.11ac WLANs

Energy-throughput tradeoff in sustainable Cloud-RAN with energy harvesting

Proportional Fairness-Based Resource Allocation for LTE-U Coexisting With Wi-Fi

A Multi-Leader Multi-Follower Stackelberg Game for Resource Management in LTE Unlicensed

Resource Allocation for Green Cloud Radio Access Networks Powered by Renewable Energy

Performance Analysis of Opportunistic Channel Bonding in Multi-Channel WLANs

Exploiting the Stable Fixture Matching Game for Content Sharing in D2D-Based LTE-V2X Communications

A Location Aware Game Theoretic Approach for Charging Plug-In Hybrid Electric Vehicles

LTE-Unlicensed Coexistence Mechanism: A Matching Game Framework

On Optimal Device-to-Device Resource Allocation for Minimizing End-to-End Delay in VANETs

Secure device-to-device communications over WiFi direct

Development of Mobile Ad-hoc Networks over Wi-Fi Direct with off-the-shelf Android phones

Energy and Memory Efficient Clone Detection in Wireless Sensor Networks

Performance evaluation for caching-based content distribution in backhaul-limited small cell networks

On the buffer-aided collaborative relaying scheme for asymmetric parallel relay networks

LTE-unlicensed: the future of spectrum aggregation for cellular networks

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