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Benny Vejlgaard - IEEE Xplore Author Profile
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Benny Vejlgaard

Also published under: B. Vejlgaard, B. N. Vejlgaard

Publications
30
Citations
1,075
Publications by Year
19962024
Co-Authors:
Show All Co-Authors (57)
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Benny Vejlgaard

Also published under: B. Vejlgaard, B. N. Vejlgaard

Affiliation

Nokia Standards, Denmark

Publication Topics

Biography

Benny Vejlgaard (benny.vejlgaard@nokia.com) is an experienced RF research engineer and system engineering manager with a history of working in the semiconductors industry. His professional skills include 5G, embedded software, LTE, mobile communications, and radio frequency (RF).(Based on document published on 8 March 2024).
Publications
30
Citations
1,075
Publications by Year
19962024
Co-Authors:
Show All Co-Authors (57)
Author's Published Works

Showing 1-25 of 30 results

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Ambient IoT: A Missing Link in 3GPP IoT Devices Landscape

M. Majid Butt;Nitin R. Mangalvedhe;Nuno K. Pratas;Johannes Harrebek;John Kimionis;Muhammad Tayyab;Oana-Elena Barbu;Rapeepat Ratasuk;Benny Vejlgaard

IEEE Internet of Things Magazine
Year: 2024 | Volume: 7, Issue: 2 | Magazine Article |
Cited by: Papers (26)
Ambient internet of things (IoT) is the network of devices which harvest energy from ambient sources for powering their communication. After decades of research on operation of these devices, Third Generation Partnership Project (3GPP) has started discussing energy harvesting technology in cellular networks to support massive deployment of IoT devices at low operational cost. This article provides...Show More

Ambient IoT: A Missing Link in 3GPP IoT Devices Landscape

M. Majid Butt;Nitin R. Mangalvedhe;Nuno K. Pratas;Johannes Harrebek;John Kimionis;Muhammad Tayyab;Oana-Elena Barbu;Rapeepat Ratasuk;Benny Vejlgaard

Year: 2024 | Volume: 7, Issue: 2 | Magazine Article |

Coverage and Capacity Analysis of Sigfox, LoRa, GPRS, and NB-IoT

Benny Vejlgaard;Mads Lauridsen;Huan Nguyen;Istvan Z. Kovacs;Preben Mogensen;Mads Sorensen

2017 IEEE 85th Vehicular Technology Conference (VTC Spring)
Year: 2017 | Conference Paper |
Cited by: Papers (172)
In this paper the coverage and capacity of SigFox, LoRa, GPRS, and NB-IoT is compared using a real site deployment covering 8000 km2 in Northern Denmark. Using the existing Telenor cellular site grid it is shown that the four technologies have more than 99 % outdoor coverage, while GPRS is challenged for indoor coverage. Furthermore, the study analyzes the capacity of the four technologies assumin...Show More

Coverage and Capacity Analysis of Sigfox, LoRa, GPRS, and NB-IoT

Benny Vejlgaard;Mads Lauridsen;Huan Nguyen;Istvan Z. Kovacs;Preben Mogensen;Mads Sorensen

Year: 2017 | Conference Paper |

Coverage Comparison of GPRS, NB-IoT, LoRa, and SigFox in a 7800 km² Area

Mads Lauridsen;Huan Nguyen;Benny Vejlgaard;Istvan Z. Kovacs;Preben Mogensen;Mads Sorensen

2017 IEEE 85th Vehicular Technology Conference (VTC Spring)
Year: 2017 | Conference Paper |
Cited by: Papers (118)
In this simulation work the coverage of GPRS, Narrowband-IoT, LoRa, and SigFox is compared in a realistic scenario, covering 7800 km2 and using Telenor's commercial 2G, 3G, and 4G deployment. The target is to evaluate which of the four technologies provides the best coverage for Internet of Things devices, which may be located deep indoor. The results show that Narrowband-IoT, having the best Maxi...Show More

Coverage Comparison of GPRS, NB-IoT, LoRa, and SigFox in a 7800 km² Area

Mads Lauridsen;Huan Nguyen;Benny Vejlgaard;Istvan Z. Kovacs;Preben Mogensen;Mads Sorensen

Year: 2017 | Conference Paper |

Interference Measurements in the European 868 MHz ISM Band with Focus on LoRa and SigFox

Mads Lauridsen;Benny Vejlgaard;Istvan Z. Kovacs;Huan Nguyen;Preben Mogensen

2017 IEEE Wireless Communications and Networking Conference (WCNC)
Year: 2017 | Conference Paper |
Cited by: Papers (121)
In this measurement study the signal activity and power levels are measured in the European Industrial, Scientific, and Medical band 863-870 MHz in the city of Aalborg, Denmark. The target is to determine if there is any interference, which may impact deployment of Internet of Things devices. The focus is on the Low Power Wide Area technologies LoRa and SigFox. The measurements show that there is ...Show More

Interference Measurements in the European 868 MHz ISM Band with Focus on LoRa and SigFox

Mads Lauridsen;Benny Vejlgaard;Istvan Z. Kovacs;Huan Nguyen;Preben Mogensen

Year: 2017 | Conference Paper |

Interference Impact on Coverage and Capacity for Low Power Wide Area IoT Networks

Benny Vejlgaard;Mads Lauridsen;Huan Nguyen;Istvan Z. Kovacs;Preben Mogensen;Mads Sorensen

2017 IEEE Wireless Communications and Networking Conference (WCNC)
Year: 2017 | Conference Paper |
Cited by: Papers (61)
In this paper we analyze and discuss the coverage and capacity of Sigfox and LoRaWAN in a large scale urban environments covering 150 km$^2$ in Northern Denmark. First, the study measures and analyzes interference in the European 868 MHz license free industrial, scientific, and medical band, creating a model for the interference. The measured interference in downtown Aalborg has an occurrence rate...Show More

Interference Impact on Coverage and Capacity for Low Power Wide Area IoT Networks

Benny Vejlgaard;Mads Lauridsen;Huan Nguyen;Istvan Z. Kovacs;Preben Mogensen;Mads Sorensen

Year: 2017 | Conference Paper |

NB-IoT system for M2M communication

Rapeepat Ratasuk;Benny Vejlgaard;Nitin Mangalvedhe;Amitava Ghosh

2016 IEEE Wireless Communications and Networking Conference
Year: 2016 | Conference Paper |
In 3GPP, a narrowband system based on Long Term Evolution (LTE) is being introduced to support the Internet of Things. This system, named Narrowband Internet of Things (NB-IoT), can be deployed in three different operation modes - (1) stand-alone as a dedicated carrier, (2) in-band within the occupied bandwidth of a wideband LTE carrier, and (3) within the guard-band of an existing LTE carrier. In...Show More

NB-IoT system for M2M communication

Rapeepat Ratasuk;Benny Vejlgaard;Nitin Mangalvedhe;Amitava Ghosh

Year: 2016 | Conference Paper |

NB-IoT system for M2M communication

Rapeepat Ratasuk;Benny Vejlgaard;Nitin Mangalvedhe;Amitava Ghosh

2016 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)
Year: 2016 | Conference Paper |
In 3GPP, a narrowband system based on Long Term Evolution (LTE) is being introduced to support the Internet of Things. This system, named Narrowband Internet of Things (NB-IoT), can be deployed in three different operation modes - (1) stand-alone as a dedicated carrier, (2) in-band within the occupied bandwidth of a wideband LTE carrier, and (3) within the guard-band of an existing LTE carrier. In...Show More

NB-IoT system for M2M communication

Rapeepat Ratasuk;Benny Vejlgaard;Nitin Mangalvedhe;Amitava Ghosh

Year: 2016 | Conference Paper |

5G multi-RAT multi-connectivity architecture

Subramanya Chandrashekar;Andreas Maeder;Cinzia Sartori;Thomas Höhne;Benny Vejlgaard;Devaki Chandramouli

2016 IEEE International Conference on Communications Workshops (ICC)
Year: 2016 | Conference Paper |
Cited by: Papers (43)
The 5th generation of mobile networks is envisioned to unify different access types under one system in order to enable efficient and performant operations. We propose a radio network architecture for tight integration of multiple radio access technologies supporting traffic steering, link selection, and aggregation of traffic flows from and to different sources. This enables the radio network arc...Show More

5G multi-RAT multi-connectivity architecture

Subramanya Chandrashekar;Andreas Maeder;Cinzia Sartori;Thomas Höhne;Benny Vejlgaard;Devaki Chandramouli

Year: 2016 | Conference Paper |

Uptilted Macros as an Outdoor Solution for Indoor Users in High Rise Buildings

Laura Luque Sanchez;Benny Vejlgaard;Preben Mogensen

2015 IEEE 81st Vehicular Technology Conference (VTC Spring)
Year: 2015 | Conference Paper |
Cited by: Papers (2)
With an expected broadband traffic volume growth of 1000x in the coming years, the need to provide coverage and capacity to the high rise buildings scenarios becomes a challenge for operators. Due to the difficulties in deploying their networks inside buildings, an outdoor alternative is needed. This paper investigates the usage of Long Term Evolution-Advanced (LTE-A) uptilted macros pointing to t...Show More

Uptilted Macros as an Outdoor Solution for Indoor Users in High Rise Buildings

Laura Luque Sanchez;Benny Vejlgaard;Preben Mogensen

Year: 2015 | Conference Paper |

Heterogeneous Network Evolution Studies for a Dense Urban High Rise Scenario

Laura Luque Sanchez;Michal Maternia;Benny Vejlgaard;Preben Mogensen

2014 IEEE 80th Vehicular Technology Conference (VTC2014-Fall)
Year: 2014 | Conference Paper |
Cited by: Papers (4)
This paper studies the capability of Long-Term Evolution-Advanced (LTE-A) together with WiFi 802.11ac to accommodate the traffic growths of 80x, 500x and 1000x in a high rise building scenario. It provides a guideline on the configuration of the spectrum and the best deployment options for the evolution of the heterogeneous network in order to enhance the capacity for the coming years. The results...Show More

Heterogeneous Network Evolution Studies for a Dense Urban High Rise Scenario

Laura Luque Sanchez;Michal Maternia;Benny Vejlgaard;Preben Mogensen

Year: 2014 | Conference Paper |

A Picocell Deployment Case Study in a Mixed Multicarrier LTE Network

William J. Hillery;Amitava Ghosh;Benny Vejlgaard;Zhubo Huang;Chris Seagren;Roger Bartlett

2014 IEEE 80th Vehicular Technology Conference (VTC2014-Fall)
Year: 2014 | Conference Paper |
Cited by: Papers (1)
The case study in this paper compares various options for deploying picocells in a three-carrier LTE macrocell network in a suburban North American city. Beginning with a single carrier macrocell network on a 5 MHz FDD carrier in LTE band 25 (2 GHz), a 20 MHz TDD carrier in band 41 (2.6 GHz) is added to significantly increase capacity. An additional 5 MHz FDD carrier in band 26 (875 MHz) enhances ...Show More

A Picocell Deployment Case Study in a Mixed Multicarrier LTE Network

William J. Hillery;Amitava Ghosh;Benny Vejlgaard;Zhubo Huang;Chris Seagren;Roger Bartlett

Year: 2014 | Conference Paper |

Evaluation of Empirical Ray-Tracing Model for an Urban Outdoor Scenario at 73 GHz E-Band

Huan Cong Nguyen;George R. MacCartney;Timothy Thomas;Theodore S. Rappaport;Benny Vejlgaard;Preben Mogensen

2014 IEEE 80th Vehicular Technology Conference (VTC2014-Fall)
Year: 2014 | Conference Paper |
Cited by: Papers (40)
In the summer of 2013, a wideband propagation measurement campaign using rotating directional antennas at 73 GHz was conducted at the New York University (NYU) campus, in order to collect extensive field measurements for use in a millimeter wave (mmWave) E-band statistical channel model. While the measurement campaign provided over 50 Gigabytes of wideband power delay profiles and angular response...Show More

Evaluation of Empirical Ray-Tracing Model for an Urban Outdoor Scenario at 73 GHz E-Band

Huan Cong Nguyen;George R. MacCartney;Timothy Thomas;Theodore S. Rappaport;Benny Vejlgaard;Preben Mogensen

Year: 2014 | Conference Paper |

Narrowband LTE-M System for M2M Communication

Rapeepat Ratasuk;Nitin Mangalvedhe;Amitava Ghosh;Benny Vejlgaard

2014 IEEE 80th Vehicular Technology Conference (VTC2014-Fall)
Year: 2014 | Conference Paper |
Cited by: Papers (49)
The Internet of Things will bring billions of devices that are inter-connected using cellular networks. LTE cellular systems are being deployed worldwide and will remain in place for the foreseeable future. However, LTE was designed for high data-rate broadband services. Even with M2M features being added in LTE Rel-12, it is not optimized for low data-rate and wide area M2M services such as smart...Show More

Narrowband LTE-M System for M2M Communication

Rapeepat Ratasuk;Nitin Mangalvedhe;Amitava Ghosh;Benny Vejlgaard

Year: 2014 | Conference Paper |

Inside-out: Can indoor femtocells satisfy outdoor coverage and capacity needs?

William J. Hillery;Mark Cudak;Amitava Ghosh;Benny Vejlgaard

2013 IEEE Globecom Workshops (GC Wkshps)
Year: 2013 | Conference Paper |
Cited by: Papers (3)
In this paper, we examine the effectiveness of indoor femtocells at providing outdoor coverage in a suburban environment using a realistic macrocell deployment as the basis for the study. An uncoordinated deployment of indoor femtocells is randomly placed on a dedicated carrier and simulated for coverage and capacity. The coverage and capacity gains are found to depend on femtocell penetration. Fe...Show More

Inside-out: Can indoor femtocells satisfy outdoor coverage and capacity needs?

William J. Hillery;Mark Cudak;Amitava Ghosh;Benny Vejlgaard

Year: 2013 | Conference Paper |

Nation-Wide Mobile Network Energy Evolution Analysis

Eva Perez;Philipp Frank;Gilbert Micallef;Benny Vejlgaard;Luis Maestro

2013 IEEE 78th Vehicular Technology Conference (VTC Fall)
Year: 2013 | Conference Paper |
Mobile network operators are facing a challenging dilemma. While on the one hand they are committed to reducing their carbon emissions, and energy consumption, they are also required to continuously upgrade existing networks, ensuring that the relentless growth in data traffic can still be supported. In most cases, these upgrades increase the energy consumption of the network even further. This pa...Show More

Nation-Wide Mobile Network Energy Evolution Analysis

Eva Perez;Philipp Frank;Gilbert Micallef;Benny Vejlgaard;Luis Maestro

Year: 2013 | Conference Paper |

Modeling of Wi-Fi IEEE 802.11ac Offloading Performance for 1000x Capacity Expansion of LTE-Advanced

Liang Hu;Laura Luque Sanchez;Michal Maternia;Istvan Z. Kovacs;Benny Vejlgaard;Preben Mogensen;Hidekazu Taoka

2013 IEEE 78th Vehicular Technology Conference (VTC Fall)
Year: 2013 | Conference Paper |
Cited by: Papers (8)
This paper studies indoor Wi-Fi IEEE 802.11ac deployment as a capacity expansion solution of LTE-A (Long Term Evolution-Advanced) network to achieve 1000 times higher capacity. Besides increasing the traffic volume by a factor of x1000, we also increase the minimum target user data rate to 10Mbit/s. The objective is to understand the performance and offloading capability of Wi-Fi 802.11ac at 5GHz....Show More

Modeling of Wi-Fi IEEE 802.11ac Offloading Performance for 1000x Capacity Expansion of LTE-Advanced

Liang Hu;Laura Luque Sanchez;Michal Maternia;Istvan Z. Kovacs;Benny Vejlgaard;Preben Mogensen;Hidekazu Taoka

Year: 2013 | Conference Paper |

Heterogeneous LTE-Advanced Network Expansion for 1000x Capacity

Liang Hu;Laura Luque Sanchez;Michal Maternia;Istvan Kovacs;Benny Vejlgaard;Preben Mogensen;Hidekazu Taoka

2013 IEEE 77th Vehicular Technology Conference (VTC Spring)
Year: 2013 | Conference Paper |
Cited by: Papers (9)
This paper studies LTE (Long-Term Evolution)-Advanced heterogeneous network expansion in a dense urban environment for a 1000 times capacity increase and a 10 times increase of the minimum user data rate requirements. The radio network capacity enhancement via outdoor and indoor small cell densification and utilization of the higher frequency bands has been investigated. As the baseline, we assume...Show More

Heterogeneous LTE-Advanced Network Expansion for 1000x Capacity

Liang Hu;Laura Luque Sanchez;Michal Maternia;Istvan Kovacs;Benny Vejlgaard;Preben Mogensen;Hidekazu Taoka

Year: 2013 | Conference Paper |

Addressing 4G Demand: Picos vs. Macros, a Suburban Case Study

Mark Cudak;William J. Hillery;Amitava Ghosh;Zhubo Huang;Benny Vejlgaard

2013 IEEE 77th Vehicular Technology Conference (VTC Spring)
Year: 2013 | Conference Paper |
Cited by: Papers (4)
A suburban North American city is used as the basis for comparing the relative effectiveness of deploying picocells or macrocells to meet burgeoning 4G traffic demand. The study starts with an existing macro deployment and employs detailed models to examine 3X and 5X traffic growth relative to the capacity of the current macro network. 3D building models are used to generate accurate pathloss plan...Show More

Addressing 4G Demand: Picos vs. Macros, a Suburban Case Study

Mark Cudak;William J. Hillery;Amitava Ghosh;Zhubo Huang;Benny Vejlgaard

Year: 2013 | Conference Paper |

TD-LTE network indoor offloading study in a realistic metropolitan scenario

Kang Jianfeng;Zhao Zhuyan;Mou Jianhong;Guan Hao;Benny Vejlgaard;Liu Guangyi;Mei Shunliang

2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC)
Year: 2013 | Conference Paper |
Cited by: Papers (3)
In the wireless broadband network, most traffic are generated from indoor users. Meanwhile the indoor coverage is identified as the major bottleneck especially in dense urban environment with high-rising buildings. In this paper, the TD-LTE network downlink performance of indoor is studied with various network deployment options, including outdoor Macro cell, outdoor Micro cell, indoor distributed...Show More

TD-LTE network indoor offloading study in a realistic metropolitan scenario

Kang Jianfeng;Zhao Zhuyan;Mou Jianhong;Guan Hao;Benny Vejlgaard;Liu Guangyi;Mei Shunliang

Year: 2013 | Conference Paper |

TD-LTE network indoor performance with Micro and Femto deployment in a realistic metropolitan scenario

Kang Jianfeng;Zhao Zhuyan;Guan Hao;Benny Vejlgaard;Liu Guangyi

2013 IEEE Wireless Communications and Networking Conference (WCNC)
Year: 2013 | Conference Paper |
Cited by: Papers (7)
In the wireless broadband network, most traffic are generated from indoor, and the indoor coverage is identified as the major bottleneck especially in dense urban environment with high-rising buildings. In this paper, the TD-LTE network downlink performance of indoor is studied with various deployment options, including outdoor Macro and Micro cell, indoor Femto cell and their combinations in a re...Show More

TD-LTE network indoor performance with Micro and Femto deployment in a realistic metropolitan scenario

Kang Jianfeng;Zhao Zhuyan;Guan Hao;Benny Vejlgaard;Liu Guangyi

Year: 2013 | Conference Paper |

Multi-Layer Mobility Load Balancing in a Heterogeneous LTE Network

Panagiotis Fotiadis;Michele Polignano;Daniela Laselva;Benny Vejlgaard;Preben Mogensen;Ralf Irmer;Neil Scully

2012 IEEE Vehicular Technology Conference (VTC Fall)
Year: 2012 | Conference Paper |
This paper analyzes the behavior of a distributed Mobility Load Balancing (MLB) scheme in a multi-layer 3GPP (3rd Generation Partnership Project) Long Term Evolution (LTE) deployment with different User Equipment (UE) densities in certain network areas covered with pico cells. Target of the study is to evaluate MLB in terms of efficient pico cell utilization and macro layer load balancing (LB). Th...Show More

Multi-Layer Mobility Load Balancing in a Heterogeneous LTE Network

Panagiotis Fotiadis;Michele Polignano;Daniela Laselva;Benny Vejlgaard;Preben Mogensen;Ralf Irmer;Neil Scully

Year: 2012 | Conference Paper |

Realistic Indoor Wi-Fi and Femto Deployment Study as the Offloading Solution to LTE Macro Networks

Liang Hu;Claudio Coletti;Nguyen Huan;István Z. Kovács;Benny Vejlgaard;Ralf Irmer;Neil Scully

2012 IEEE Vehicular Technology Conference (VTC Fall)
Year: 2012 | Conference Paper |
Cited by: Papers (16)
This paper investigates the downlink performance of indoor deployed Wi-Fi and Femto as the offloading solution to the LTE macro cellular networks in a realistic large-scale dense-urban scenario. With an assumed broadband traffic volume growth of 50x compared to today's levels, it is evaluated that a dual-carrier LTE macro network will not be able to provide sufficient service coverage with a 1 Mbp...Show More

Realistic Indoor Wi-Fi and Femto Deployment Study as the Offloading Solution to LTE Macro Networks

Liang Hu;Claudio Coletti;Nguyen Huan;István Z. Kovács;Benny Vejlgaard;Ralf Irmer;Neil Scully

Year: 2012 | Conference Paper |

Heterogeneous Deployment to Meet Traffic Demand in a Realistic LTE Urban Scenario

Claudio Coletti;Liang Hu;Nguyen Huan;István Z. Kovács;Benny Vejlgaard;Ralf Irmer;Neil Scully

2012 IEEE Vehicular Technology Conference (VTC Fall)
Year: 2012 | Conference Paper |
Cited by: Papers (35)
The main objective of the paper is to investigate and compare the downlink performance of different LTE heterogeneous network (HetNet) deployment solutions. By adding small cells to the existing macro overlay, network coverage and capacity can be significantly enhanced to accommodate the fast growth of mobile broadband traffic. Emphasis is put on how to optimally assign the spectrum for the differ...Show More

Heterogeneous Deployment to Meet Traffic Demand in a Realistic LTE Urban Scenario

Claudio Coletti;Liang Hu;Nguyen Huan;István Z. Kovács;Benny Vejlgaard;Ralf Irmer;Neil Scully

Year: 2012 | Conference Paper |

GSM and AMPS coexistence in the US cellular band

Lichung Chu;R. Fagg;T. Klingenbrunn;L. Mortensen;B. Vejlgaard

Vehicular Technology Conference. IEEE 55th Vehicular Technology Conference. VTC Spring 2002 (Cat. No.02CH37367)
Year: 2002 | Conference Paper |
When GSM at 850 MHz is deployed in the USA, it will have to coexist in the cellular band with AMPS. Previous studies have examined the coexistence of multiple standards in the US PCS band (see TR46 Telecommunications System Bulletin TSB-84A, 2001), but have not examined the coexistence between AMPS and GSM. This analysis focuses on the impact that coexistence has on radio receiver blocking and the...Show More

GSM and AMPS coexistence in the US cellular band

Lichung Chu;R. Fagg;T. Klingenbrunn;L. Mortensen;B. Vejlgaard

Year: 2002 | Conference Paper |

Investigation of two-branch transmit diversity with two-branch receive diversity

M.B. Knudsen;B.N. Vejlgaard;G.F. Pedersen

Vehicular Technology Conference Fall 2000. IEEE VTS Fall VTC2000. 52nd Vehicular Technology Conference (Cat. No.00CH37152)
Year: 2000 | Conference Paper |
Cited by: Papers (4)
This work investigates the possible SNR gain, which can be obtained by using two-branch transmit diversity with two-branch receive diversity. Furthermore a low complexity pre-detection antenna system for a handheld phone has been investigated as an option for receive diversity. The pre-detection antenna system consists of two antenna elements where the phase is altered prior to a RF combining. The...Show More

Investigation of two-branch transmit diversity with two-branch receive diversity

M.B. Knudsen;B.N. Vejlgaard;G.F. Pedersen

Year: 2000 | Conference Paper |

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