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On the Effective Throughput of Coded Caching With Heterogeneous User Preferences: A Game Theoretic Perspective
Proactive caching has emerged as a promising means to accommodate increased demands for wireless capacity. However, studies of proactive caching usually focus on minimizing the overall load of cache-aided networks. How to calculate each user’s caching gain is still an open problem. In this paper, a two-phase cache-aided network is investigated, in which users with heterogeneous preferences are ser...Show More
User Preference Aware Lossy Data Compression for Edge Caching
GLOBECOM 2020 - 2020 IEEE Global Communications Conference
Year: 2020 | Conference Paper |
Cited by: Papers (1)
In order to handle users' heterogeneous quality of service requirements at the network edge, user preference aware lossy data compression is presented for edge caching. The symbols generated by an information source are compressed and then are transmitted to a base station. Before being transmitted to users, the symbols can be re-compressed at the network edge. User preferences are described by we...Show More
Computation-Aided Data Transmission for Remote Reconstruction of Trajectories of Dynamical Systems
GLOBECOM 2020 - 2020 IEEE Global Communications Conference
Year: 2020 | Conference Paper |
Cited by: Papers (3)
Remote reconstruction of trajectories of dynamical systems is now emerging as a mission-critical application in Industry 4.0 and beyond. Unfortunately, the statistical properties of signals generated by dynamical systems usually remain unknown, which prohibits the use of classic source coding methods relying on a statistical source model. To overcome this difficulty, we present a paradigm shift da...Show More
Latency-Minimized Design of secure transmissions in UAV-Aided Communications
Xiongwei Wu;Qiang Li;Yawei Lu;H. Vincent Poor;Victor C. M. Leung;P. C. Ching
ICASSP 2020 - 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
Year: 2020 | Conference Paper |
Cited by: Papers (3)
Unmanned aerial vehicles (UAVs) can be utilized as aerial base stations to provide communication service for remote mobile users due to their high mobility and flexible deployment. However, the line-of-sight (LoS) wireless links are vulnerable to be intercepted by the eavesdropper (Eve), which presents a major challenge for UAV-aided communications. In this paper, we propose a latency-minimized tr...Show More
User Preference Aware Lossless Data Compression at the Edge
Data compression is an efficient technique for saving data storage and transmission costs in networks. Traditional data compression methods usually compress each content item according to its own statistical distribution of symbols and do not take into account user preferences on various content items. However, user preferences significantly impact the statistical distributions of symbols transmit...Show More
Coded Caching Under Heterogeneous User Preferences: An Effective Throughput Perspective
ICC 2019 - 2019 IEEE International Conference on Communications (ICC)
Year: 2019 | Conference Paper |
Cited by: Papers (5)
Proactive caching is a promising means to handle increasing wireless traffic. However, how heterogeneous user preferences impact the caching gain is still an open problem. In this paper, a two-phase cache-aided multicasting network is investigated, in which users with heterogeneous preferences are served by a base station through a shared link. It is shown that the achievable domain of effective t...Show More
Source Coding at the Edge: User Preference Oriented Lossless Data Compression
ICC 2019 - 2019 IEEE International Conference on Communications (ICC)
Year: 2019 | Conference Paper |
Cited by: Papers (3)
Source coding is an efficient technique to save data storage and transmission costs. Traditional source coding methods are usually designed based on the statistical distribution of symbols generated by the information source. Notice that, in content-centric networks, the user preference has a significant impact on the statistical distribution of symbols transmitted in the links. This paper present...Show More
A Unified Framework for Caching in Arbitrary Networks
2018 IEEE 23rd International Conference on Digital Signal Processing (DSP)
Year: 2018 | Conference Paper |
Proactive caching holds the promise of improving network throughput and lowering transmission costs in content-centric networks. However, how to encode data in cache-aided networks is still an open problem. In this paper, a two-phase caching system is investigated, in which users are equipped with buffers and user requests are characterized by a probability measure. Based on content division, a un...Show More
Coded Joint Pushing and Caching With Asynchronous User Requests
Pushing and caching are recognized as promising techniques to improve network capacity and handle explosive growth in data traffic. Caching schemes for synchronous requests have been extensively investigated, but little attention has been paid to the asynchronous case. However, asynchronism is an inherent property of user requests. In this paper, request delay information (RDI) is introduced to ch...Show More
Multicast Pushing With Content Request Delay Information
Multicasting can reduce network traffic in multiuser systems by serving multiple users simultaneously. The benefits of multicasting basically come from the overlapping and synchronism of user requests. Pushing and caching are techniques that prestore content items in buffers closer to users based on the prediction of user requests, thereby providing a promising approach to eliminating the asynchro...Show More
Joint Pushing and Caching Based on Physical Layer Multicasting and Network Coding
GLOBECOM 2017 - 2017 IEEE Global Communications Conference
Year: 2017 | Conference Paper |
Cited by: Papers (1)
Caching is a promising technique to reduce traffic by storing popular content items in the buffers of users prior to user demand. In this paper, a two-phase physical layer multicasting system is investigated, in which the users are equipped with buffers and content request delay information (RDI) is available at the serving base station (BS). Based on RDI, transmissions are initiated to satisfy us...Show More
Content Pushing Based on Physical Layer Multicasting and Request Delay Information
2016 IEEE Global Communications Conference (GLOBECOM)
Year: 2016 | Conference Paper |
Cited by: Papers (17)
For content-centric wireless networks, pushing and proactive caching hold the promise of greatly improving system throughput in the future. However, the throughput gains obtained from these techniques are limited by the energy of the base station and the buffer size of the receivers. To make full use of this energy and these buffers, this paper presents a Joint Pushing and Caching (JPC) method for...Show More
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