S. Joshi, K. B. S. Manosha, M. Codreanu, M. Latva-aho
{"title":"Inter-operator dynamic spectrum sharing: A stochastic optimization approach","authors":"S. Joshi, K. B. S. Manosha, M. Codreanu, M. Latva-aho","doi":"10.1109/WONS.2017.7888759","DOIUrl":"https://doi.org/10.1109/WONS.2017.7888759","url":null,"abstract":"The problem of spectrum sharing between two operators in a dynamic network is considered. We allow both operators to share (a fraction of) their licensed spectrum band with each other by forming a common spectrum band. The objective is to maximize the gain in profits of both operators by sharing their licensed spectrum bands rather than using them exclusively, while considering the fairness among the operators. We use the notion of cooperative games, and model this problem as a two-person bargaining problem. The bargaining problem is cast as a stochastic optimization problem, which can be solved by using the elegant theory of Lyapunov optimization.","PeriodicalId":110653,"journal":{"name":"2017 13th Annual Conference on Wireless On-demand Network Systems and Services (WONS)","volume":"446 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123628846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"An SDN architecture for under water search and surveillance","authors":"Ruolin Fan, Ciarán Mc Goldrick, M. Gerla","doi":"10.1109/WONS.2017.7888776","DOIUrl":"https://doi.org/10.1109/WONS.2017.7888776","url":null,"abstract":"Underwater Wireless Networking (UWN) schemes and applications have been attracting considerable interest with both industry and the research community. The nature of water, as a carrier medium, imposes very significant constraints on the both the characteristics and information carrying capacity of underwater communication channels. Currently, acoustic and optical are the two main physical platform/channel choices. Acoustics offers relative simplicity but low data rates. Optical has a considerable bandwidth advantage, but is much more complex to implement, exploit and manage. Leveraging both technologies enables exploitation of their complementarities and synergies. A Software Defined Networking architecture, which separates the control and data planes, enables full exploitation of this acousto-optic combination. In this configuration, the longer-ranged acoustic channel serves as the control plane, allowing the controller to issue mobility and network related commands to distant AUVs, whilst the shorter range (but higher throughput) optical channel serves as the data plane, thereby allowing for fast transfer of data. This paper presents such a system, employing the NATO approved JANUS underwater communications standard for the control channel.","PeriodicalId":110653,"journal":{"name":"2017 13th Annual Conference on Wireless On-demand Network Systems and Services (WONS)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129036468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"MuTrans: A multi-channel network coding approach to mobile data collection","authors":"M. Abdulaziz, R. Simon","doi":"10.1109/WONS.2017.7888758","DOIUrl":"https://doi.org/10.1109/WONS.2017.7888758","url":null,"abstract":"The advantages of using of the mobile sinks (MSs) to perform data collection from Wireless Sensor Networks (WSNs) are now widely recognized. This is because the MS data collectors can service isolated systems and reduce energy expenditures by minimizing the need for multi-hop networking. However, it remains a challenging problem to support collection activities efficiently within the relevant class of predictable but uncontrollable MSs. This paper presents MuTrans, a novel multi-channel protocol that uses both clustering and network coding techniques to increase the reliability and reduce the latency of data collection in predictable and uncontrollable MS systems. A fairness data uploading scheduling to a mobile collector is presented based on assigning a method for load balancing. The implementation is described by using multiple channels for increased throughput and incorporating network coding for improved reliability. Our evaluation of data aggregation in the presence of packet errors shows that MuTrans can significantly reduce the latency for data collection, thus providing strong support for mobile data collection.","PeriodicalId":110653,"journal":{"name":"2017 13th Annual Conference on Wireless On-demand Network Systems and Services (WONS)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123117300","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Distributed proactive caching in a group of selfish nodes","authors":"Ioanna Deli, I. Stavrakakis","doi":"10.1109/WONS.2017.7888777","DOIUrl":"https://doi.org/10.1109/WONS.2017.7888777","url":null,"abstract":"The paper considers the problem of proactive caching (or replication) of content in a collection of caches which can form a group and collectively satisfy content requests of their users (clientele); such caches can be the ones associated with close-by base stations. Under significant user similarity, avoiding caching the same content in multiple locations within the group and leaving room for more content to be cached within the group, can yield significant performance improvement compared to the case of isolated, greedy local, caching behavior by the nodes. The work considers a generic content-provisioning cost structure that jointly incorporates objective (i.e., distance-based) and subjective (social/behavioral-based) cost elements and studies the resulting non-cooperative game, proposes a simple content placement implementation, presents results and discusses the impact of the subjective cost element.","PeriodicalId":110653,"journal":{"name":"2017 13th Annual Conference on Wireless On-demand Network Systems and Services (WONS)","volume":"243 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114999969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Energy-efficient analog sensing for large-scale, high-density persistent wireless monitoring","authors":"Vidyasagar Sadhu, Xueyuan Zhao, D. Pompili","doi":"10.1109/WONS.2017.7888773","DOIUrl":"https://doi.org/10.1109/WONS.2017.7888773","url":null,"abstract":"The research challenge of current Wireless Sensor Networks (WSNs) is to design energy-efficient, low-cost, high-accuracy, self-healing, and scalable systems for applications such as environmental monitoring. Traditional WSNs consist of low density, power-hungry digital motes that are expensive and cannot remain functional for long periods on a single charge. In order to address these challenges, a dumb-sensing and smart-processing architecture that splits sensing and computation capabilities among tiers is proposed. Tier-1 consists of dumb sensors that only sense and transmit, while the nodes in Tier-2 do all the smart processing on Tier-1 sensor data. A low-power and low-cost solution for Tier-1 sensors has been proposed using Analog Joint Source Channel Coding (AJSCC). An analog circuit that realizes the rectangular type of AJSCC has been proposed and realized on a Printed Circuit Board for feasibility analysis. A prototype consisting of three Tier-1 sensors (sensing temperature and humidity) communicating to a Tier-2 Cluster Head has been demonstrated to verify the proposed approach. Results show that our framework is indeed feasible to support large scale high density and persistent WSN deployment.","PeriodicalId":110653,"journal":{"name":"2017 13th Annual Conference on Wireless On-demand Network Systems and Services (WONS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127839768","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Tuyen X. Tran, Parul Pandey, Abolfazl Hajisami, D. Pompili
{"title":"Collaborative multi-bitrate video caching and processing in Mobile-Edge Computing networks","authors":"Tuyen X. Tran, Parul Pandey, Abolfazl Hajisami, D. Pompili","doi":"10.1109/WONS.2017.7888772","DOIUrl":"https://doi.org/10.1109/WONS.2017.7888772","url":null,"abstract":"Recently, Mobile-Edge Computing (MEC) has arisen as an emerging paradigm that extends cloud-computing capabilities to the edge of the Radio Access Network (RAN) by deploying MEC servers right at the Base Stations (BSs). In this paper, we envision a collaborative joint caching and processing strategy for on-demand video streaming in MEC networks. Our design aims at enhancing the widely used Adaptive BitRate (ABR) streaming technology, where multiple bitrate versions of a video can be delivered so as to adapt to the heterogeneity of user capabilities and the varying of network condition. The proposed strategy faces two main challenges: (i) not only the videos but their appropriate bitrate versions have to be effectively selected to store in the caches, and (ii) the transcoding relationships among different versions need to be taken into account to effectively utilize the processing capacity at the MEC servers. To this end, we formulate the collaborative joint caching and processing problem as an Integer Linear Program (ILP) that minimizes the backhaul network cost, subject to the cache storage and processing capacity constraints. Due to the NP-completeness of the problem and the impractical overheads of the existing offline approaches, we propose a novel online algorithm that makes cache placement and video scheduling decisions upon the arrival of each new request. Extensive simulations results demonstrate the significant performance improvement of the proposed strategy over traditional approaches in terms of cache hit ratio increase, backhaul traffic and initial access delay reduction.","PeriodicalId":110653,"journal":{"name":"2017 13th Annual Conference on Wireless On-demand Network Systems and Services (WONS)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125303003","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Shifrin, D. Menasché, A. Cohen, Omer Gurewitz, D. Goeckel
{"title":"An SMDP approach to optimal PHY configuration in wireless networks","authors":"M. Shifrin, D. Menasché, A. Cohen, Omer Gurewitz, D. Goeckel","doi":"10.1109/WONS.2017.7888760","DOIUrl":"https://doi.org/10.1109/WONS.2017.7888760","url":null,"abstract":"In this work, we study the optimal configuration of the physical layer in wireless networks by means of Semi-Markov Decision Process (SMDP) modeling. In particular, assume the physical layer is characterized by a set of potential operating points, with each point corresponding to a rate and reliability pair; for example, these pairs might be obtained through a now-standard diversity-vs-multiplexing tradeoff characterization. Given the current network state (e.g., buffer occupancies), a Decision Maker (DM) needs to dynamically decide which operating point to use. The SMDP problem formulation allows us to choose from these pairs an optimal selection, which is expressed by a decision rule as a function of the number of awaiting packets in the source's finite queue, channel state, size of the packet to be transmitted. We derive a general solution which covers various model configurations, including packet size distributions and varying channels. For the specific case of exponential transmission time, we analytically prove the optimal policy has a threshold structure. Numerical results validate this finding, as well as depict muti-threshold policies for time varying channels such as the Gilber-Elliot channel.","PeriodicalId":110653,"journal":{"name":"2017 13th Annual Conference on Wireless On-demand Network Systems and Services (WONS)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114773123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}