2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN)最新文献_第2页

Enhancing LAA/Wi-Fi Coexistence via Concurrent Transmissions and Interference Cancellation 通过并发传输和干扰消除增强LAA/Wi-Fi共存

2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN) Pub Date : 2019-11-01 DOI: 10.1109/DySPAN.2019.8935659

Zhiwu Guo, Ming Li, Yong Xiao

{"title":"Enhancing LAA/Wi-Fi Coexistence via Concurrent Transmissions and Interference Cancellation","authors":"Zhiwu Guo, Ming Li, Yong Xiao","doi":"10.1109/DySPAN.2019.8935659","DOIUrl":"https://doi.org/10.1109/DySPAN.2019.8935659","url":null,"abstract":"With the rapid growth of mobile devices and popularity for data-intensive services, LTE Licensed-Assisted Access (LAA) has been proposed to allow coexistence of LTE and Wi-Fi in 5 GHz unlicensed band. Most existing works have been focusing on developing collision avoidance mechanisms to ensure the harmonious coexistence between Wi-Fi and LTE. In this paper, we argue that simply avoiding possible collisions caused by simultaneous transmissions does not fully utilize the unlicensed spectrum. We derive the optimal CCA threshold that enables as many simultaneous transmissions between coexisting LTE and Wi-Fi as possible and exploit successive interference cancellation to further increase the chance of concurrent transmissions. We introduce a Markov-model based approach to quantity the impact of energy detection, concurrent transmission and successful decoding probability on the throughput expressions of LAA and Wi-Fi. Extensive simulations have been presented to validate our proposed theoretical model. Our results show the throughput of Wi-Fi and LAA can be significantly improved under several typical coexistence scenarios.","PeriodicalId":278172,"journal":{"name":"2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121568413","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}

引用次数: 3

Spectrum Sharing Between WLANs and Fixed Microwave Links in 6 and 13 GHz Bands: a Case Study 6 GHz和13 GHz频段无线局域网与固定微波链路的频谱共享:一个案例研究

2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN) Pub Date : 2019-11-01 DOI: 10.1109/DySPAN.2019.8935662

Nadia Yoza-Mitsuishi, Ruoyu Sun, P. Mathys

{"title":"Spectrum Sharing Between WLANs and Fixed Microwave Links in 6 and 13 GHz Bands: a Case Study","authors":"Nadia Yoza-Mitsuishi, Ruoyu Sun, P. Mathys","doi":"10.1109/DySPAN.2019.8935662","DOIUrl":"https://doi.org/10.1109/DySPAN.2019.8935662","url":null,"abstract":"The 6 GHz band (5925-7125 MHz) has recently been proposed by the FCC to be shared with unlicensed devices This band is allocated to fixed, mobile (temporary fixed) and fixed satellite service links. The 13 GHz band (12700-13250 MHz) could also be subject to more flexible use, considering that it is allocated to the same type of incumbents. The purpose of this paper is to analyze coexistence between Wireless Local Area Networks (WLANs) and current terrestrial fixed links in these bands based on a case study approach, which can be replicated to other parts of the country. The coexistence analysis uses information from real links and accounts for the terrain morphology and actual land use to calculate the potential interference. We have conducted interference simulations from low-power indoor (LPI) WLANs to terrestrial fixed links and vice versa, from terrestrial fixed links to LPI WLANs, in the Denver metro area. The simulations have been performed in the upper part of the 6 GHz band, from 6875 to 7125 MHz, designated as the U-NII-8 band by the FCC, and in the 13 GHz band. To validate the simulations, we measured the incumbent signal power detected on the ground in a few locations in this area. We found that terrestrial fixed links operating in these bands can coexist with LPI WLANs without significant interference between each other, which will benefit consumers and encourage technology and innovation.","PeriodicalId":278172,"journal":{"name":"2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121364047","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}

引用次数: 0

Demo: Monitoring Movement Dynamics of Robot Cars and Drones Using Smartphone’s Built-in Sensors 演示:使用智能手机内置传感器监测机器人汽车和无人机的运动动态

2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN) Pub Date : 2019-11-01 DOI: 10.1109/DySPAN.2019.8935708

Yang Bai, X. Yang, Chenhao Liu, Justin Wain, Ryan Wang, J. Cheng, Chen Wang, Jian Liu, Yingying Chen

{"title":"Demo: Monitoring Movement Dynamics of Robot Cars and Drones Using Smartphone’s Built-in Sensors","authors":"Yang Bai, X. Yang, Chenhao Liu, Justin Wain, Ryan Wang, J. Cheng, Chen Wang, Jian Liu, Yingying Chen","doi":"10.1109/DySPAN.2019.8935708","DOIUrl":"https://doi.org/10.1109/DySPAN.2019.8935708","url":null,"abstract":"In this demo, we present a smart system that can monitor the movement dynamics of any carrying platform (e.g., robot car and drone) leveraging the inertial sensors of the attached smartphone. Through the measured inertial sensor readings, we can monitor the movement dynamics of the carrying platform in real-time, such as the platform’s moving speed, displacement, and position. Unlike Global Positioning System (GPS), which shows severe accuracy degradation when GPS signals are weak (e.g., in indoor or urban environments), our system tracks the platform’s movements and performs positioning without receiving external signals. Thus, our system can be an effective alternative approach to monitor the movement dynamics of those indoor objects (e.g., sweeping robot, indoor drone). Specifically, we exploit the motion-sensing capabilities of smartphone’s inertial sensors to measure the carrying platform’s movement dynamics. The inertial magnetometer of the smartphone allows us to reorient sensors with the cardinal directions; the gyroscope and accelerometer enable measuring the velocity and displacement of the platform. Our experimental results demonstrate that our system can accurately measure the movement dynamics of carrying platform with the easy-to-access smartphone sensors, as a substitution of GPS-based positioning in indoor environments.","PeriodicalId":278172,"journal":{"name":"2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN)","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131136804","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}

引用次数: 1

Performance Study of a GAA-GAA Coexistence Scheme in the CBRS Band GAA-GAA共存方案在CBRS波段的性能研究

2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN) Pub Date : 2019-11-01 DOI: 10.1109/DySPAN.2019.8935678

Weichao Gao, A. Sahoo

{"title":"Performance Study of a GAA-GAA Coexistence Scheme in the CBRS Band","authors":"Weichao Gao, A. Sahoo","doi":"10.1109/DySPAN.2019.8935678","DOIUrl":"https://doi.org/10.1109/DySPAN.2019.8935678","url":null,"abstract":"The General Authorized Access (GAA) users in the Citizens Broadband Radio Service (CBRS) band are the lowest priority users who not only have to make sure that they do not cause harmful interference to the higher tier users but also must cooperate with each other to minimize potential interference among themselves. Thus, efficient GAA coexistence scheme is essential for operation of GAA users and to obtain high spectrum utilization. Towards this goal, the Wireless Innovation Forum (WInnForum) has recommended three schemes to facilitate coexistence among the GAA users. To the best of our knowledge, there is no performance study on any of these schemes available in the public domain. In this paper, we study performance of one of these schemes (called Approach 1). We choose two actual locations in the USA around which our study is conducted using actual terrain and land cover data of the continental USA. We evaluate performance of the scheme at different deployment densities, using different propagation models and with different mix of CBRS devices (CBSDs) at those two locations. We provide some interesting insights into the bandwidth allocation process and performance of Approach 1 in terms of mutual interference.","PeriodicalId":278172,"journal":{"name":"2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127722844","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}

引用次数: 5

Dynamic Bandwidth Allocation for Spectrum Shared Private Mobile Networks Using Prior Measured CQI Information 基于先验测量CQI信息的频谱共享专用移动网络动态带宽分配

2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN) Pub Date : 2019-11-01 DOI: 10.1109/DySPAN.2019.8935732

A. Abe, T. Fujii

{"title":"Dynamic Bandwidth Allocation for Spectrum Shared Private Mobile Networks Using Prior Measured CQI Information","authors":"A. Abe, T. Fujii","doi":"10.1109/DySPAN.2019.8935732","DOIUrl":"https://doi.org/10.1109/DySPAN.2019.8935732","url":null,"abstract":"5G has attracted attention not only as the next generation of public cellular systems but also as a way to realize the localized and private use of mobile networks, which are called local 5G and micro operators. In order to realize the local 5G, spectrum shared private mobile networks that consist of multiple independent operators are considered. For the efficient use of the dedicated spectrum of local 5G, a spectrum sharing method among multiple independent operators is necessary. As a way of the spectrum sharing, a spatial separation approach which controls transmission power using a measurement-based spectrum database (MSD) has been proposed. However, in a situation that multiple different operator base stations share the same spectrum with a close distance, power control cannot be used for the spectrum sharing because the permissible transmit power is too small and the supported area becomes very small. In this paper, in order to avoid the above problem, we propose a dynamic band allocation for spectrum shared private mobile networks using prior measured channel quality indicator (CQI) information. In the proposed method, resources required for a target user equipment (UE) is calculated, and along with that, the spectrum bandwidth to multiple operators is allocated dynamically. From numerical results, it is shown that the proposed method can keep satisfying the capacity requirement of the target UE compared to the fixed bandwidth division operation.","PeriodicalId":278172,"journal":{"name":"2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132812137","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}

引用次数: 2

Crowdsourcing-based Spectrum Monitoring at A Large Geographical Scale 基于众包的大地理范围频谱监测

2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN) Pub Date : 2019-11-01 DOI: 10.1109/DySPAN.2019.8935832

Yousi Lin, Yuxian Ye, Yaling Yang

引用次数: 3

Effect of Federal Incumbent Activity on CBRS Commercial Service 联邦公职人员活动对CBRS商业服务的影响

2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN) Pub Date : 2019-11-01 DOI: 10.1109/DySPAN.2019.8935639

M. Souryal, Thao T. Nguyen

引用次数: 9

Regulations and Strategies in Subsidy-based Spectrum Sharing Markets 基于补贴的频谱共享市场的法规和策略

2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN) Pub Date : 2019-11-01 DOI: 10.1109/DySPAN.2019.8935755

Mostafizur Rahman, M. Yuksel, W. Saad

{"title":"Regulations and Strategies in Subsidy-based Spectrum Sharing Markets","authors":"Mostafizur Rahman, M. Yuksel, W. Saad","doi":"10.1109/DySPAN.2019.8935755","DOIUrl":"https://doi.org/10.1109/DySPAN.2019.8935755","url":null,"abstract":"Static spectrum allocation and secondary spectrum sharing are unlikely to sufficiently meet the growing need for the radio spectrum due to continuous increase in the number of wireless devices. Hence, new approaches for spectrum sharing at primary level are needed to improve spectrum utilization. In particular, to provide higher spectrum utilization, a government can motivate providers to participate in primary level sharing by introducing subsidy-based spectrum sharing (SBSS) markets. However, this market may give rise to the adverse effect of freeriding. In this paper, the goal is to minimize freeriding in a dynamic spectrum sharing environment using a novel heuristic algorithm that allows a set of providers to effectively participate in an SBSS market. In particular, the provider strategies and regulation on fees set by the government that minimize freeriding are analyzed. Simulation results verify the sustainability of the SBSS market by providing suitable strategies to the providers. A comparison between a game equilibrium to the strategies obtained from proposed algorithm shows the optimality gap. Moreover, a comparative analysis of conventional non-sharing spectrum market to the regulated SBSS market is provided to demonstrate the improvement of a provider’s earning when its charging fee lies between a fair market fee and a regulated minimum fee.","PeriodicalId":278172,"journal":{"name":"2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123482148","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}

引用次数: 1

Mobile Proof-of-Sharing Architectures for Inter-Operator Spectrum Sharing Markets

2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN) Pub Date : 2019-11-01 DOI: 10.1109/DySPAN.2019.8935683

Mostafizur Rahman, M. Yuksel

{"title":"Mobile Proof-of-Sharing Architectures for Inter-Operator Spectrum Sharing Markets","authors":"Mostafizur Rahman, M. Yuksel","doi":"10.1109/DySPAN.2019.8935683","DOIUrl":"https://doi.org/10.1109/DySPAN.2019.8935683","url":null,"abstract":"An incentive-based spectrum sharing (IBSS) market requires truthfulness on sharing. In such a market where the government incentivizes cellular operators, a “Proof-of-Sharing (PoS)” module can be a new addition to maintain trust between cellular operators and the government. However, inter-operator spectrum sharing needs to resolve the complexity of a user’s movement and its effect on PoS reports within different cells (e.g., macro or small cells). A PoS module, that performs these resolutions, can be done at a central node receiving information from the participating operators or a cloud-based node where each user sends obtained service information. In this work, we argue that the placement of a shared mobility management entity (MME) along with the non-shared MME can minimize a user’s mobility issue and generates fewer PoS report messages. We focus on PoS reporting mode and propose three architectures for the PoS module: a) An MME sends information to PoS node, b) An evolved node base (eNodeB) uploads PoS reports, and c) User equipment generates PoS reports. We also make observations on pros and cons of these architectures by making a qualitative comparison.","PeriodicalId":278172,"journal":{"name":"2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125207017","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}

引用次数: 1

Design of a Secondary Market for Fractional Spectrum Sub-leasing in Three-Tier Spectrum Sharing 三级频谱共享中部分频谱转租二级市场的设计

2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN) Pub Date : 2019-11-01 DOI: 10.1109/DySPAN.2019.8935676

Dragoslav Stojadinovic, M. Buddhikot

{"title":"Design of a Secondary Market for Fractional Spectrum Sub-leasing in Three-Tier Spectrum Sharing","authors":"Dragoslav Stojadinovic, M. Buddhikot","doi":"10.1109/DySPAN.2019.8935676","DOIUrl":"https://doi.org/10.1109/DySPAN.2019.8935676","url":null,"abstract":"The growing shortage in available wireless spectrum has resulted in opening of new frequency bands by the FCC. Some bands that have previously been underutilized are now opened for public usage under the 3-tier spectrum sharing framework. Spectrum access is regulated by a Spectrum Access System (SAS). The three user tiers are incumbent users - military, federal and satellite operators, Priority Access License (PAL) holders - operators which have purchased a license for exclusive access to the spectrum when not used by incumbents, and General Authorized Access (GAA) users who may only use it opportunistically. The SAS coordinates access to the spectrum, and can grant access to lower tier users when it is not being utilized by any users in higher tiers. Because spectrum licenses are granted for large geographic regions - counties, in ten year increments, service providers are highly motivated to obtain PALs as soon as possible to avoid being locked out of a market. This may lead to a sub-optimal utilization of the spectrum by the PAL holder in cases where licenses are obtained before the network is deployed in the entire county. The unused portions of the area represent a loss to the PAL holder, as they will end up being used by the third tier users without any compensation to the license holder. The second tier operator can choose to sub-lease the license in these areas. This paper proposes a market model for sub-leasing with short-term license allocation in smaller areas. The model assumes that interested parties periodically make bids for sub-leased licenses in the small area defined by the bid. The sub-leased licenses are allocated by the SAS in a way that maximizes the financial gain to the PAL holder. This paper shows a basic sub-lease allocation model and two improved hypergraph based models. The improved models result in the financial gain increase between 15 and 35% over the base model, depending on the geographical distribution of the sub-lease bid regions.","PeriodicalId":278172,"journal":{"name":"2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN)","volume":"105 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124652442","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}

引用次数: 5