—With the aim to enrich users' perceived multimedia experience, the authors present the results o... more —With the aim to enrich users' perceived multimedia experience, the authors present the results of an empirical study which looked at user perception of olfaction based mulsemedia. The goal is to evaluate the influence of users' age and gender on user quality of experience (QoE) considering various scent types and categories (pleasant or not). The results present a complex relationship between these variables and how they influence user QoE. They indicate that different user groups report different perception of content level factors for olfaction based mulsemedia.
25th IET Irish Signals & Systems Conference 2014 and 2014 China-Ireland International Conference on Information and Communities Technologies (ISSC 2014/CIICT 2014), 2014
ABSTRACT There is an increasing growth of usage on mobile devices in this decade. However, the li... more ABSTRACT There is an increasing growth of usage on mobile devices in this decade. However, the limited computation ability and energy weaken the performance as the web applications of mobile devices are more and more rich and energy-consumed. The development of cloud computing and mobile computation offloading technologies provides an opportunity for removing the limitations of mobile devices. This paper presents MOJA - a JavaScript offloading solution for web centric mobile applications based on WebSocket and Node.JS. The computing ability of mobile device is augmented by offloading the computational functions of the web applications to cloud servers running Node.JS. The computation results are sent back to mobile devices using the WebSocket technologies. Various experiments have been executed to validate the solution. The test results show that the proposed solution can significantly enhance the performance of mobile devices and provide a better Quality of Experience to end users.
Wireless LAN (WLAN) was originally designed to provide coverage in specific “hot spot” areas. The... more Wireless LAN (WLAN) was originally designed to provide coverage in specific “hot spot” areas. The advent of heterogeneous networking has enabled WLAN to play a significant role as a constituent part of a wider IP access network infrastructure. For mobile networks approaches such as cell breathing have traditionally been used to balance network load. Heterogeneous networking requires a re-evaluation of such mobile network specific approaches. In this paper we propose MANDL – A Mediation Algorithm for Network Load balancing Utilising Directed Learning. MANDL is a directed feed forward neural network which uses enforced network handover to balance the load between a set of candidate IP access networks
Wireless Local Area Network (WLAN) has been used in industry to provide coverage in specific “hot... more Wireless Local Area Network (WLAN) has been used in industry to provide coverage in specific “hot spot” for few years. The advent of heterogeneous networking has enabled WLAN, as an access network, to play a significant role as a constituent part of a wider IP access network infrastructure. For mobile networks, approaches such as cell breathing have traditionally been used to balance network load. Heterogeneous networking requires a re-evaluation of such mobile network specific approaches. In this paper we propose Enforced Network Handover for An Enriched Customer Experience (ENHANCE). ENHANCE specifies an extensible approach which enables network controlled load balancing with input from the User Equipment (UE). The load balancing logic within ENHANCE is implemented by a Directed Learning Feed Forward Artificial Neural Network (DANN). DANN uses performance metrics from various layers e.g. SNR, throughput, and delay to balance load between candidate IP access networks. For effective...
Smart phone has become an important part of people's daily life. Most of current smart phone ... more Smart phone has become an important part of people's daily life. Most of current smart phone are equipped with a rich set of built-in sensors. The mobile applications such as geo-location based video annotation and indoor positioning require precise measurements from sensors. In addition, understanding the sensing performance of a smart phone device is helpful for implementing a mobile application that needs sensor data. The more precise way to get the attitude of a mobile device is to use the sensor fusion. Sensor fusion is the combining of sensory data from disparate sources such that the resulting information is in some sense better than would be possible when these sources were used individually.
As a step towards enhancing users’ perceived multimedia quality levels beyond the level offered b... more As a step towards enhancing users’ perceived multimedia quality levels beyond the level offered by the classic audiovisual systems, the authors present the results of an experimental study which looked at user’s perception of inter-stream synchronization between olfactory data (scent) and video (without relevant audio). The impact on user’s quality of experience (by considering enjoyment, relevance and reality) comparing synchronous with asynchronous presentation of olfactory and video media is analyzed and discussed. The aim is to empirically define the temporal boundaries within which users perceive olfactory data and video to be synchronized. The key analysis compares the user detection and perception of synchronization error. State of the art works have investigated temporal boundaries for olfactory data with audiovisual media, but no works document the integration of olfactory data and video (with no related audio). The results of this work show that the temporal boundaries for...
ABSTRACT A programmable networking approach to accounting and charging for services in software d... more ABSTRACT A programmable networking approach to accounting and charging for services in software defined wireless networks (SDWN) could greatly facilitate the service innovation that is anticipated therein. It would allow service differentiation through customized charging and would support the provision of composite services across multiple providers. In this position paper we consider how earlier approaches to active charging can be combined with the 3GPP charging architecture, recent SDWN inspired cellular architectures innovations, including network virtualization, to provide an active accounting and charging infrastructure for SDWN. Our analysis shows that active charging in SDWN is technically feasible, commercially beneficial and incrementally deployable
24th IET Irish Signals and Systems Conference (ISSC 2013), 2013
ABSTRACT Content Aware Networking (CAN) can enhance the distribution of media through awareness i... more ABSTRACT Content Aware Networking (CAN) can enhance the distribution of media through awareness in the network of the content it is carrying. In this way functions such as content adaptation, content routing and resource allocation can be improved. Our current research investigates ‘in-network’ content adaptation of scalable video coded streams (SVC) via a media-aware network element or MANE. We propose a fuzzy logic adaptation approach based on the user perceived quality of the video stream as well as a policy management based MANE architecture. The paper describes work in progress to define the concept and approach - with particular focus on the approach to codifying QoE/QoS relationships.
—With the aim to enrich users' perceived multimedia experience, the authors present the results o... more —With the aim to enrich users' perceived multimedia experience, the authors present the results of an empirical study which looked at user perception of olfaction based mulsemedia. The goal is to evaluate the influence of users' age and gender on user quality of experience (QoE) considering various scent types and categories (pleasant or not). The results present a complex relationship between these variables and how they influence user QoE. They indicate that different user groups report different perception of content level factors for olfaction based mulsemedia.
25th IET Irish Signals & Systems Conference 2014 and 2014 China-Ireland International Conference on Information and Communities Technologies (ISSC 2014/CIICT 2014), 2014
ABSTRACT There is an increasing growth of usage on mobile devices in this decade. However, the li... more ABSTRACT There is an increasing growth of usage on mobile devices in this decade. However, the limited computation ability and energy weaken the performance as the web applications of mobile devices are more and more rich and energy-consumed. The development of cloud computing and mobile computation offloading technologies provides an opportunity for removing the limitations of mobile devices. This paper presents MOJA - a JavaScript offloading solution for web centric mobile applications based on WebSocket and Node.JS. The computing ability of mobile device is augmented by offloading the computational functions of the web applications to cloud servers running Node.JS. The computation results are sent back to mobile devices using the WebSocket technologies. Various experiments have been executed to validate the solution. The test results show that the proposed solution can significantly enhance the performance of mobile devices and provide a better Quality of Experience to end users.
Wireless LAN (WLAN) was originally designed to provide coverage in specific “hot spot” areas. The... more Wireless LAN (WLAN) was originally designed to provide coverage in specific “hot spot” areas. The advent of heterogeneous networking has enabled WLAN to play a significant role as a constituent part of a wider IP access network infrastructure. For mobile networks approaches such as cell breathing have traditionally been used to balance network load. Heterogeneous networking requires a re-evaluation of such mobile network specific approaches. In this paper we propose MANDL – A Mediation Algorithm for Network Load balancing Utilising Directed Learning. MANDL is a directed feed forward neural network which uses enforced network handover to balance the load between a set of candidate IP access networks
Wireless Local Area Network (WLAN) has been used in industry to provide coverage in specific “hot... more Wireless Local Area Network (WLAN) has been used in industry to provide coverage in specific “hot spot” for few years. The advent of heterogeneous networking has enabled WLAN, as an access network, to play a significant role as a constituent part of a wider IP access network infrastructure. For mobile networks, approaches such as cell breathing have traditionally been used to balance network load. Heterogeneous networking requires a re-evaluation of such mobile network specific approaches. In this paper we propose Enforced Network Handover for An Enriched Customer Experience (ENHANCE). ENHANCE specifies an extensible approach which enables network controlled load balancing with input from the User Equipment (UE). The load balancing logic within ENHANCE is implemented by a Directed Learning Feed Forward Artificial Neural Network (DANN). DANN uses performance metrics from various layers e.g. SNR, throughput, and delay to balance load between candidate IP access networks. For effective...
Smart phone has become an important part of people's daily life. Most of current smart phone ... more Smart phone has become an important part of people's daily life. Most of current smart phone are equipped with a rich set of built-in sensors. The mobile applications such as geo-location based video annotation and indoor positioning require precise measurements from sensors. In addition, understanding the sensing performance of a smart phone device is helpful for implementing a mobile application that needs sensor data. The more precise way to get the attitude of a mobile device is to use the sensor fusion. Sensor fusion is the combining of sensory data from disparate sources such that the resulting information is in some sense better than would be possible when these sources were used individually.
As a step towards enhancing users’ perceived multimedia quality levels beyond the level offered b... more As a step towards enhancing users’ perceived multimedia quality levels beyond the level offered by the classic audiovisual systems, the authors present the results of an experimental study which looked at user’s perception of inter-stream synchronization between olfactory data (scent) and video (without relevant audio). The impact on user’s quality of experience (by considering enjoyment, relevance and reality) comparing synchronous with asynchronous presentation of olfactory and video media is analyzed and discussed. The aim is to empirically define the temporal boundaries within which users perceive olfactory data and video to be synchronized. The key analysis compares the user detection and perception of synchronization error. State of the art works have investigated temporal boundaries for olfactory data with audiovisual media, but no works document the integration of olfactory data and video (with no related audio). The results of this work show that the temporal boundaries for...
ABSTRACT A programmable networking approach to accounting and charging for services in software d... more ABSTRACT A programmable networking approach to accounting and charging for services in software defined wireless networks (SDWN) could greatly facilitate the service innovation that is anticipated therein. It would allow service differentiation through customized charging and would support the provision of composite services across multiple providers. In this position paper we consider how earlier approaches to active charging can be combined with the 3GPP charging architecture, recent SDWN inspired cellular architectures innovations, including network virtualization, to provide an active accounting and charging infrastructure for SDWN. Our analysis shows that active charging in SDWN is technically feasible, commercially beneficial and incrementally deployable
24th IET Irish Signals and Systems Conference (ISSC 2013), 2013
ABSTRACT Content Aware Networking (CAN) can enhance the distribution of media through awareness i... more ABSTRACT Content Aware Networking (CAN) can enhance the distribution of media through awareness in the network of the content it is carrying. In this way functions such as content adaptation, content routing and resource allocation can be improved. Our current research investigates ‘in-network’ content adaptation of scalable video coded streams (SVC) via a media-aware network element or MANE. We propose a fuzzy logic adaptation approach based on the user perceived quality of the video stream as well as a policy management based MANE architecture. The paper describes work in progress to define the concept and approach - with particular focus on the approach to codifying QoE/QoS relationships.
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Papers by Yuansong Qiao