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Publications (10 of 151) Show all publications
Yue, J., Xiao, M., Lin, Z. & Vucetic, B. (2018). An Expanded Network Coding with Finite Buffer Size Information Dissemination Approach in Social Networks. In: 2018 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC): . Paper presented at IEEE Wireless Communications and Networking Conference (WCNC), APR 15-18, 2018, Barcelona, SPAIN. IEEE
Open this publication in new window or tab >>An Expanded Network Coding with Finite Buffer Size Information Dissemination Approach in Social Networks
2018 (English)In: 2018 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC), IEEE , 2018Conference paper, Published paper (Refereed)
Abstract [en]

A social network is a social structure made up of a set of social actors and a set of dyadic ties between these actors. The actors form a number of communities. In communities, some actors want to transmit their information to all other actors. Each actor corresponds to a user equipment (UE). The UE of the actor which has information to be transmitted is also called the source, and the UEs of all other actors are called destinations. The information is transmitted from the source to destinations with the assistance of helpers, which can be small cell base stations (SCBSs). A novel information dissemination approach, namely expanded network coding with a finite buffer size (ENCFB), is proposed for the case when the buffer size of helpers is limited. The performance comparison of the uncoded information dissemination approach, the network coded approach and the ENCFB approach is conducted. Comparison results show that the ENCFB approach can significantly improve the performance of information dissemination when the buffer size is limited.

Place, publisher, year, edition, pages
IEEE, 2018
Series
IEEE Wireless Communications and Networking Conference, ISSN 1525-3511
Keywords
Network coding, information dissemination, social networks, finite buffer size, full coverage
National Category
Telecommunications
Identifiers
urn:nbn:se:kth:diva-232297 (URN)000435542402040 ()2-s2.0-85049223135 (Scopus ID)978-1-5386-1734-2 (ISBN)
Conference
IEEE Wireless Communications and Networking Conference (WCNC), APR 15-18, 2018, Barcelona, SPAIN
Note

QC 20180719

Available from: 2018-07-19 Created: 2018-07-19 Last updated: 2018-07-19Bibliographically approved
Yang, G., Xiao, M., Al-Zubaidy, H., Huang, Y. & Gross, J. (2018). Analysis of Millimeter-Wave Multi-Hop Networks With Full-Duplex Buffered Relays. IEEE/ACM Transactions on Networking, 26(1), 576-590
Open this publication in new window or tab >>Analysis of Millimeter-Wave Multi-Hop Networks With Full-Duplex Buffered Relays
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2018 (English)In: IEEE/ACM Transactions on Networking, ISSN 1063-6692, E-ISSN 1558-2566, Vol. 26, no 1, p. 576-590Article in journal (Refereed) Published
Abstract [en]

The abundance of spectrum in the millimeter-wave (mm-wave) bands makes it an attractive alternative for future wireless communication systems. Such systems are expected to provide data transmission rates in the order of multi-gigabits per second in order to satisfy the ever-increasing demand for high rate data communication. Unfortunately, mm-wave radio is subject to severe path loss, which limits its usability for long-range outdoor communication. In this paper, we propose a multi-hop mm-wave wireless network for outdoor communication, where multiple full-duplex buffered relays are used to extend the communication range, while providing end-to-end performance guarantees to the traffic traversing the network. We provide a cumulative service process characterization for the mm-wave propagation channel with self-interference in terms of the moment generating function of its channel capacity. Then, we then use this characterization to compute probabilistic upper bounds on the overall network performance, i.e., total backlog and end-to-end delay. Furthermore, we study the effect of self-interference on the network performance and propose an optimal power allocation scheme to mitigate its impact in order to enhance network performance. Finally, we investigate the relation between relay density and network performance under a sum power constraint. We show that increasing relay density may have adverse effects on network performance, unless the selfinterference can be kept sufficiently small.

Place, publisher, year, edition, pages
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2018
Keywords
Millimeter-wave, multi-hop, moment generating functions, delay, backlog
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:kth:diva-224045 (URN)10.1109/TNET.2017.2786341 (DOI)000425324000042 ()2-s2.0-85041182670 (Scopus ID)
Note

QC 20180320

Available from: 2018-03-20 Created: 2018-03-20 Last updated: 2018-04-16Bibliographically approved
Huang, Y., Zhang, J. & Xiao, M. (2018). Constant Envelope Hybrid Precoding for Directional Millimeter-Wave Communications. IEEE Journal on Selected Areas in Communications, 36(4), 845-859
Open this publication in new window or tab >>Constant Envelope Hybrid Precoding for Directional Millimeter-Wave Communications
2018 (English)In: IEEE Journal on Selected Areas in Communications, ISSN 0733-8716, E-ISSN 1558-0008, Vol. 36, no 4, p. 845-859Article in journal (Refereed) Published
Abstract [en]

Millimeter wave (mmwave) communication has attracted increasing attention owing to its abundant spectrum resource. The short wavelength at mmwave frequencies facilitates placing a large number of antennas in a small space, and the mmwave channels are likely to be sparse in the directions. These two new features promise enhanced security by directional precoding. To explore this potential, we investigate the design of directional hybrid digital and analog precoding for the multiuser mmwave communication system with multiple eavesdroppers. Particularly, we consider two cost-efficient sub-connected hybrid architectures, i.e., multi-subarray architecture and switched phased- array architecture, and optimize the hybrid precoding under per-antenna constant envelope (CE) constraints. The goal of our design is to guarantee the receive quality of the legitimate users while minimizing the power leaked to the eavesdroppers, so as to realize a directional transmission for a general mmwave channel. The resulting problems are very challenging due to the nonlinear CE constraints and binary integer constraint from antenna selection. To address them, we leverage exact penalty function methods to find efficient solutions to the CE hybrid directional precoding. Our analysis shows that the proposed algorithm is able to converge to a stationary point under some mild conditions. Simulation results are finally provided to confirm the effectiveness of the proposed schemes and their superiority over the existing schemes under both single-path and multi-path mmwave channels.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2018
Keywords
Millimeter wave communication, constant envelope precoding (CEP), physical layer security, subconnected antenna array architecture, multi-subarray architecture, switched-phased-array architecture, exact penalty function methods
National Category
Telecommunications
Identifiers
urn:nbn:se:kth:diva-232798 (URN)10.1109/JSAC.2018.2825820 (DOI)000438743800014 ()2-s2.0-85045337340 (Scopus ID)
Note

QC 20180802

Available from: 2018-08-02 Created: 2018-08-02 Last updated: 2018-08-06Bibliographically approved
Yang, G., Xiao, M. & Pang, Z. (2018). Delay Analysis of Traffic Dispersion with Nakagami-m Fading in Millimeter-Wave Bands. In: : . Paper presented at IEEE Wireless Communications and Networking Conference, 15-18 April 2018 // Barcelona, Spain. Barcelona, Spain: IEEE
Open this publication in new window or tab >>Delay Analysis of Traffic Dispersion with Nakagami-m Fading in Millimeter-Wave Bands
2018 (English)Conference paper, Published paper (Refereed)
Place, publisher, year, edition, pages
Barcelona, Spain: IEEE, 2018
National Category
Telecommunications
Identifiers
urn:nbn:se:kth:diva-227345 (URN)
Conference
IEEE Wireless Communications and Networking Conference, 15-18 April 2018 // Barcelona, Spain
Projects
Wireless@KTH Seed Project “Millimeter Wave for Ultra-Reliable Low Latency Communications”
Funder
Wireless@kth
Note

QS 20180523

Available from: 2018-05-08 Created: 2018-05-08 Last updated: 2018-05-23Bibliographically approved
Yang, G., Xiao, M. & Pang, Z. (2018). Delay Analysis of Traffic Dispersion with Nakagami-m Fading in Millimeter-Wave Bands. In: 2018 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC): . Paper presented at IEEE Wireless Communications and Networking Conference (WCNC), APR 15-18, 2018, Barcelona, SPAIN. IEEE
Open this publication in new window or tab >>Delay Analysis of Traffic Dispersion with Nakagami-m Fading in Millimeter-Wave Bands
2018 (English)In: 2018 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC), IEEE , 2018Conference paper, Published paper (Refereed)
Abstract [en]

We analyze the delay performance of traffic dispersion in millimeter-wave (mm-wave) communications, where Nakagami-m fading channel is considered. To apply (mm, +)algebra network calculus in wireless communications, we develop a closed-form expression based on moment generating function (MGF), which characterizes the stochastic service process by staying in the bit domain, rather than transferring to the SNR domain. Subsequently, for traffic dispersion with mm-wave, we derive probabilistic delay bounds and effective capacity based on the obtained MGF of the cumulative service process. Besides, the impacts of several factors, e.g., the number of independent path, system gain (including antenna gain and adopted radio frequency) or Nakagami parameter, on the delay performance are studied. We not only comprehensively study the delay performance of traffic dispersion with mm-wave, but also demonstrate the feasibility and tractability of performance analysis.

Place, publisher, year, edition, pages
IEEE, 2018
Series
IEEE Wireless Communications and Networking Conference, ISSN 1525-3511
Keywords
Millimeter-wave, Nakagami-m fading, traffic dispersion, probabilistic delay, effective capacity
National Category
Telecommunications
Identifiers
urn:nbn:se:kth:diva-232295 (URN)000435542401107 ()2-s2.0-85049199769 (Scopus ID)978-1-5386-1734-2 (ISBN)
Conference
IEEE Wireless Communications and Networking Conference (WCNC), APR 15-18, 2018, Barcelona, SPAIN
Note

QC 20180719

Available from: 2018-07-19 Created: 2018-07-19 Last updated: 2018-07-19Bibliographically approved
Liu, Y., Fang, X. & Xiao, M. (2018). Discrete Power Control and Transmission Duration Allocation for Self-Backhauling Dense mmWave Cellular Networks. IEEE Transactions on Communications, 66(1), 432-447
Open this publication in new window or tab >>Discrete Power Control and Transmission Duration Allocation for Self-Backhauling Dense mmWave Cellular Networks
2018 (English)In: IEEE Transactions on Communications, ISSN 0090-6778, E-ISSN 1558-0857, Vol. 66, no 1, p. 432-447Article in journal (Refereed) Published
Abstract [en]

Wireless self-backhauling is a promising solution for dense millimeter wave (mmWave) small cell networks, the system efficiency of which, however, depends upon the balance of resources between the backhaul link and access links of each small cell. In this paper, we address the discrete power control and non-unified transmission duration allocation problem for self-backhauling mmWave cellular networks, in which each small cell is allowed to adopt individual transmission duration allocation ratio according to its own channel and load conditions. We first formulate the considered problem as a non-cooperative game G with a common utility function. We prove the feasibility and existence of the pure strategy Nash equilibrium (NE) of game G under some mild conditions. Then, we design a centralized resource allocation algorithm based on the best response dynamic and a decentralized resource allocation algorithm (DRA) based on control-plane/user-plane split architecture and loglinear learning to obtain a feasible pure strategy NE of game G. For speeding up convergence and reducing signaling overheads, we reformulate the considered problem as a non-cooperative game G' with local interaction, in which only local information exchange is required. Based on DRA, we design a concurrent DRA to obtain the best feasible pure strategy NE of game G'. Furthermore, we extend the proposed algorithms to the discrete power control and unified transmission duration allocation optimization problem. Extensive simulations are conducted with different system configurations to demonstrate the convergence and effectiveness of the proposed algorithms.

Place, publisher, year, edition, pages
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2018
Keywords
Dense millimeter wave (mmWave) cellular networks, wireless self-backhauling, power control, control-plane/user-plane (C-plane/U-plane) split architecture
National Category
Computer and Information Sciences
Identifiers
urn:nbn:se:kth:diva-221948 (URN)10.1109/TCOMM.2017.2757017 (DOI)000422754400033 ()2-s2.0-85030670863 (Scopus ID)
Funder
Wireless@kthEU, FP7, Seventh Framework Programme, PIRSESGA-2013-612652
Note

QC 20180130

Available from: 2018-01-30 Created: 2018-01-30 Last updated: 2018-02-02Bibliographically approved
Gao, Y., Xiao, Y., Wu, M., Xiao, M. & Shao, J. (2018). Game Theory-Based Anti-Jamming Strategies for Frequency Hopping Wireless Communications. IEEE Transactions on Wireless Communications, 17(8), 5314-5326
Open this publication in new window or tab >>Game Theory-Based Anti-Jamming Strategies for Frequency Hopping Wireless Communications
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2018 (English)In: IEEE Transactions on Wireless Communications, ISSN 1536-1276, E-ISSN 1558-2248, Vol. 17, no 8, p. 5314-5326Article in journal (Refereed) Published
Abstract [en]

In frequency hopping (FH) wireless communications, finding an effective transmission strategy to properly mitigate jamming has been recently considered as a critical issue, due to the inherent broadcast nature of wireless communications. Recently, game theory has been proposed as a powerful tool for dealing with the jamming problem, which can be considered as a player (jammer) playing against a user (transmitter). Different from existing results, in this paper, a bimatrix game framework is developed for modeling the interaction process between the transmitter and the jammer, and the sufficient and necessary conditions for Nash equilibrium (NE) strategy of the game are obtained under the linear constraints. Furthermore, the relationship between the NE solution and the global optimal solution of the corresponding quadratic programming is presented. In addition, a special analysis case is developed based on the continuous game framework in which each player has a continuum of strategies. Finally, we show that the performance can be improved based on our game theoretic framework, which is verified by numerical investigations.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2018
Keywords
Frequency hopping, jamming, game theory
National Category
Computational Mathematics
Identifiers
urn:nbn:se:kth:diva-234627 (URN)10.1109/TWC.2018.2841921 (DOI)000441933900026 ()2-s2.0-85048180365 (Scopus ID)
Note

QC 20180913

Available from: 2018-09-13 Created: 2018-09-13 Last updated: 2018-09-13Bibliographically approved
Zhang, Z., Yang, G., Ma, Z., Xiao, M., Ding, Z. & Fan, P. (2018). Heterogeneous Ultradense Networks with NOMA System Architecture, Coordination Framework, and Performance Evaluation. IEEE Vehicular Technology Magazine, 13(2), 110-120
Open this publication in new window or tab >>Heterogeneous Ultradense Networks with NOMA System Architecture, Coordination Framework, and Performance Evaluation
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2018 (English)In: IEEE Vehicular Technology Magazine, ISSN 1556-6072, E-ISSN 1556-6080, Vol. 13, no 2, p. 110-120Article in journal (Refereed) Published
Abstract [en]

Heterogeneous ultradense networks (H-UDNs) are one key enabler for fifth-generation (5G) wireless networks and beyond to satisfy the explosive growth of mobile data traffic, which exploits spatial reuse of scarce spectrum by deploying massive base stations (BSS) to boost network capacity and enhance network coverage. In this article, we present the system architecture for 5G H-UDNs, consisting of virtualized integrated ground-Air-space radio access networks (RANs) and core networks and study network coordination for virtualized H-UDN to efficiently manage computing resources and intercell interference. We look at a cloud-fog-computing coordination framework for efficient computing resource management by achieving reasonable computing task distribution and transfer; computing load balance for computing tasks among virtual computing resources to improve network performance and computing resource efficiency; and a macro-small cell coordination framework for virtualized H-UDN with nonorthogonal multiple access (NOMA) to efficiently manage intercell interference and improve network performance. The joint macro-small enhanced intercell interference coordination (eICIC) and small-small coordinated multipoint joint transmission (CoMP-JT) scheme can efficiently eliminate macro-small intercell interference and utilize small-small intercell interference.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2018
National Category
Other Engineering and Technologies
Identifiers
urn:nbn:se:kth:diva-230478 (URN)10.1109/MVT.2018.2812280 (DOI)000433094600016 ()2-s2.0-85046375092 (Scopus ID)
Note

QC 20180613

Available from: 2018-06-13 Created: 2018-06-13 Last updated: 2018-06-19Bibliographically approved
Zhang, Z., Yang, G., Ma, Z., Xiao, M., Ding, Z. & Fan, P. (2018). Heterogeneous Ultradense Networks with NOMA System Architecture, Coordination Framework, and Performance Evaluation. IEEE Vehicular Technology Magazine, 13(2), 110-120
Open this publication in new window or tab >>Heterogeneous Ultradense Networks with NOMA System Architecture, Coordination Framework, and Performance Evaluation
Show others...
2018 (English)In: IEEE Vehicular Technology Magazine, ISSN 1556-6072, E-ISSN 1556-6080, Vol. 13, no 2, p. 110-120Article in journal (Refereed) Published
Abstract [en]

Heterogeneous ultradense networks (H-UDNs) are one key enabler for fifth-generation (5G) wireless networks and beyond to satisfy the explosive growth of mobile data traffic, which exploits spatial reuse of scarce spectrum by deploying massive base stations (BSS) to boost network capacity and enhance network coverage. In this article, we present the system architecture for 5G H-UDNs, consisting of virtualized integrated ground-Air-space radio access networks (RANs) and core networks and study network coordination for virtualized H-UDN to efficiently manage computing resources and intercell interference. We look at a cloud-fog-computing coordination framework for efficient computing resource management by achieving reasonable computing task distribution and transfer; computing load balance for computing tasks among virtual computing resources to improve network performance and computing resource efficiency; and a macro-small cell coordination framework for virtualized H-UDN with nonorthogonal multiple access (NOMA) to efficiently manage intercell interference and improve network performance. The joint macro-small enhanced intercell interference coordination (eICIC) and small-small coordinated multipoint joint transmission (CoMP-JT) scheme can efficiently eliminate macro-small intercell interference and utilize small-small intercell interference.

Place, publisher, year, edition, pages
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2018
National Category
Communication Systems
Identifiers
urn:nbn:se:kth:diva-230410 (URN)10.1109/MVT.2018.2812280 (DOI)000433094600016 ()2-s2.0-85046375092 (Scopus ID)
Note

QC 20180620

Available from: 2018-06-20 Created: 2018-06-20 Last updated: 2018-06-25Bibliographically approved
Xing, W., Liu, F., Wang, C., Xiao, M. & Wang, P. (2018). Multi-Source Network-Coded D2D Cooperative Content Distribution Systems. Journal of Communications and Networks, 20(1), 69-84
Open this publication in new window or tab >>Multi-Source Network-Coded D2D Cooperative Content Distribution Systems
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2018 (English)In: Journal of Communications and Networks, ISSN 1229-2370, E-ISSN 1976-5541, Vol. 20, no 1, p. 69-84Article in journal (Refereed) Published
Abstract [en]

In this paper, we investigate the information transmission in a typical 5G device-to-device (D2D) communication application scenario, i.e., a content distribution system with a number of information sources intending to broadcast their messages to multiple destinations in the vicinity. Due to the dynamic nature of wireless signal propagation links, it is hard to guarantee a satisfactory performance by direct source-destination transmissions, especially when the system is operating in a reuse-mode. Relays can be introduced to the system to solve this problem. However, adopting the conventional repetition coding at relays inefficiently utilizes the available resources, for the considered multi-source scenario. Therefore, we investigate applying a class of finite-field network codes at the relays, when potentially three types of relays are deployed to assist the information distribution process. We proposed the algorithms to derive the system outage probability and analyze the trade-off between energy efficiency and spectral efficiency. Our analytical and numerical results clearly demonstrate the potential of exploiting network-coded cooperative communications in future 5G D2D systems.

Place, publisher, year, edition, pages
KOREAN INST COMMUNICATIONS SCIENCES (K I C S), 2018
Keywords
Cooperative communication, device-to-device (D2D) communication, energy efficiency, network coding, spectral efficiency
National Category
Computer and Information Sciences
Identifiers
urn:nbn:se:kth:diva-225747 (URN)10.1109/JCN.2018.000007 (DOI)000428149300007 ()2-s2.0-85044362954 (Scopus ID)
Note

QC 20180410

Available from: 2018-04-10 Created: 2018-04-10 Last updated: 2018-04-10Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0002-5407-0835

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