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Communications and Networking

Outphasing Elements for Hybrid Analogue Digital Beamforming and Single-RF MIMO


In conventional Multiple-Input Multiple Output (MIMO) systems, each antenna requires its own Radio Frequency (RF) chain. Since each RF-chain includes several active components that have to be synchronised, costs and complexity become restrictive. The outphasing MIMO and the outphasing precoder architectures are possible approaches to mitigate this problem. The core of both architectures are Outphasing Elements (OEs), which are used to form a electronically controllable, passive antenna feed network. These OEs are analysed with respect to component tolerances.

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Authors:
Bernhard Gäde, Ali Bereyhi, Georg Fischer, Ralf R. Müller
Submitted On:
10 May 2019 - 10:26am
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OEs.pdf

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[1] Bernhard Gäde, Ali Bereyhi, Georg Fischer, Ralf R. Müller, "Outphasing Elements for Hybrid Analogue Digital Beamforming and Single-RF MIMO", IEEE SigPort, 2019. [Online]. Available: http://sigport.org/4341. Accessed: Feb. 26, 2020.
@article{4341-19,
url = {http://sigport.org/4341},
author = {Bernhard Gäde; Ali Bereyhi; Georg Fischer; Ralf R. Müller },
publisher = {IEEE SigPort},
title = {Outphasing Elements for Hybrid Analogue Digital Beamforming and Single-RF MIMO},
year = {2019} }
TY - EJOUR
T1 - Outphasing Elements for Hybrid Analogue Digital Beamforming and Single-RF MIMO
AU - Bernhard Gäde; Ali Bereyhi; Georg Fischer; Ralf R. Müller
PY - 2019
PB - IEEE SigPort
UR - http://sigport.org/4341
ER -
Bernhard Gäde, Ali Bereyhi, Georg Fischer, Ralf R. Müller. (2019). Outphasing Elements for Hybrid Analogue Digital Beamforming and Single-RF MIMO. IEEE SigPort. http://sigport.org/4341
Bernhard Gäde, Ali Bereyhi, Georg Fischer, Ralf R. Müller, 2019. Outphasing Elements for Hybrid Analogue Digital Beamforming and Single-RF MIMO. Available at: http://sigport.org/4341.
Bernhard Gäde, Ali Bereyhi, Georg Fischer, Ralf R. Müller. (2019). "Outphasing Elements for Hybrid Analogue Digital Beamforming and Single-RF MIMO." Web.
1. Bernhard Gäde, Ali Bereyhi, Georg Fischer, Ralf R. Müller. Outphasing Elements for Hybrid Analogue Digital Beamforming and Single-RF MIMO [Internet]. IEEE SigPort; 2019. Available from : http://sigport.org/4341

Hybrid Beamforming: Where Should the Analog Power Amplifiers be Placed?


In this paper we study the spectral efficiency (SE) of a point-to-point massive multiple-input multiple-output system (P2P-massive MIMO) with limited radio frequency (RF) chains, i.e., analog-to-digital/ digital-to-analog (D2A/A2D) modules, at the transceivers. The resulting architecture is known as hybrid beamforming, where the joint analog and digital beamforming optimization maximizes the SE. We analyze the SE of the system by keeping the number of RF-chains low, but placing analog amplifiers at different paths.

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Authors:
Yasemin Karacora, Ali Kariminezhad, Aydin Sezgin
Submitted On:
9 May 2019 - 9:43am
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Poster_ICASSP_2019.pdf

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[1] Yasemin Karacora, Ali Kariminezhad, Aydin Sezgin, "Hybrid Beamforming: Where Should the Analog Power Amplifiers be Placed?", IEEE SigPort, 2019. [Online]. Available: http://sigport.org/4205. Accessed: Feb. 26, 2020.
@article{4205-19,
url = {http://sigport.org/4205},
author = {Yasemin Karacora; Ali Kariminezhad; Aydin Sezgin },
publisher = {IEEE SigPort},
title = {Hybrid Beamforming: Where Should the Analog Power Amplifiers be Placed?},
year = {2019} }
TY - EJOUR
T1 - Hybrid Beamforming: Where Should the Analog Power Amplifiers be Placed?
AU - Yasemin Karacora; Ali Kariminezhad; Aydin Sezgin
PY - 2019
PB - IEEE SigPort
UR - http://sigport.org/4205
ER -
Yasemin Karacora, Ali Kariminezhad, Aydin Sezgin. (2019). Hybrid Beamforming: Where Should the Analog Power Amplifiers be Placed?. IEEE SigPort. http://sigport.org/4205
Yasemin Karacora, Ali Kariminezhad, Aydin Sezgin, 2019. Hybrid Beamforming: Where Should the Analog Power Amplifiers be Placed?. Available at: http://sigport.org/4205.
Yasemin Karacora, Ali Kariminezhad, Aydin Sezgin. (2019). "Hybrid Beamforming: Where Should the Analog Power Amplifiers be Placed?." Web.
1. Yasemin Karacora, Ali Kariminezhad, Aydin Sezgin. Hybrid Beamforming: Where Should the Analog Power Amplifiers be Placed? [Internet]. IEEE SigPort; 2019. Available from : http://sigport.org/4205

Interference Exploitation Precoding for Multi-Level Modulations


In this paper, we investigate the interference exploitation precoding for multi-level modulations in the downlink multi-antenna systems. We mathematically derive the optimal precoding structures based on the Karush-Kuhn-Tucker (KKT) conditions. Furthermore, by formulating the dual problem, the precoding problem for multi-level modulations can be transformed into a pre-scaling operation using quadratic programming (QP) optimization.

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Authors:
Ang Li, Christos Masouros, Yonghui Li, and Branka Vucetic
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8 May 2019 - 5:53am
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poster pdf

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[1] Ang Li, Christos Masouros, Yonghui Li, and Branka Vucetic, "Interference Exploitation Precoding for Multi-Level Modulations", IEEE SigPort, 2019. [Online]. Available: http://sigport.org/4059. Accessed: Feb. 26, 2020.
@article{4059-19,
url = {http://sigport.org/4059},
author = {Ang Li; Christos Masouros; Yonghui Li; and Branka Vucetic },
publisher = {IEEE SigPort},
title = {Interference Exploitation Precoding for Multi-Level Modulations},
year = {2019} }
TY - EJOUR
T1 - Interference Exploitation Precoding for Multi-Level Modulations
AU - Ang Li; Christos Masouros; Yonghui Li; and Branka Vucetic
PY - 2019
PB - IEEE SigPort
UR - http://sigport.org/4059
ER -
Ang Li, Christos Masouros, Yonghui Li, and Branka Vucetic. (2019). Interference Exploitation Precoding for Multi-Level Modulations. IEEE SigPort. http://sigport.org/4059
Ang Li, Christos Masouros, Yonghui Li, and Branka Vucetic, 2019. Interference Exploitation Precoding for Multi-Level Modulations. Available at: http://sigport.org/4059.
Ang Li, Christos Masouros, Yonghui Li, and Branka Vucetic. (2019). "Interference Exploitation Precoding for Multi-Level Modulations." Web.
1. Ang Li, Christos Masouros, Yonghui Li, and Branka Vucetic. Interference Exploitation Precoding for Multi-Level Modulations [Internet]. IEEE SigPort; 2019. Available from : http://sigport.org/4059

DISTRIBUTED JOINT TRANSMITTER DESIGN AND SELECTION USING AUGMENTED ADMM


This work considers a design of network in which multiple transmission points (TPs) cooperatively serve users by jointly precoding shared data. Considered problem formulation jointly designs the beamformers and performs TP-UE link selection, which aims in improving overall system rate. Proposed distributed Augmented ADMM algorithm features parallelization among TPs, which has practical importance for computational load distribution and reducing signaling overhead in backhaul.

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3 May 2019 - 3:37pm
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[1] , "DISTRIBUTED JOINT TRANSMITTER DESIGN AND SELECTION USING AUGMENTED ADMM", IEEE SigPort, 2019. [Online]. Available: http://sigport.org/3905. Accessed: Feb. 26, 2020.
@article{3905-19,
url = {http://sigport.org/3905},
author = { },
publisher = {IEEE SigPort},
title = {DISTRIBUTED JOINT TRANSMITTER DESIGN AND SELECTION USING AUGMENTED ADMM},
year = {2019} }
TY - EJOUR
T1 - DISTRIBUTED JOINT TRANSMITTER DESIGN AND SELECTION USING AUGMENTED ADMM
AU -
PY - 2019
PB - IEEE SigPort
UR - http://sigport.org/3905
ER -
. (2019). DISTRIBUTED JOINT TRANSMITTER DESIGN AND SELECTION USING AUGMENTED ADMM. IEEE SigPort. http://sigport.org/3905
, 2019. DISTRIBUTED JOINT TRANSMITTER DESIGN AND SELECTION USING AUGMENTED ADMM. Available at: http://sigport.org/3905.
. (2019). "DISTRIBUTED JOINT TRANSMITTER DESIGN AND SELECTION USING AUGMENTED ADMM." Web.
1. . DISTRIBUTED JOINT TRANSMITTER DESIGN AND SELECTION USING AUGMENTED ADMM [Internet]. IEEE SigPort; 2019. Available from : http://sigport.org/3905

DISTRIBUTED JOINT TRANSMITTER DESIGN AND SELECTION USING AUGMENTED ADMM


This work considers a design of network in which multiple transmission points (TPs) cooperatively serve users by jointly precoding shared data. Considered problem formulation jointly designs the beamformers and performs TP-UE link selection, which aims in improving overall system rate. Proposed distributed Augmented ADMM algorithm features parallelization among TPs, which has practical importance for computational load distribution and reducing signaling overhead in backhaul. This approach is different from others

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Submitted On:
3 May 2019 - 3:36pm
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[1] , "DISTRIBUTED JOINT TRANSMITTER DESIGN AND SELECTION USING AUGMENTED ADMM", IEEE SigPort, 2019. [Online]. Available: http://sigport.org/3904. Accessed: Feb. 26, 2020.
@article{3904-19,
url = {http://sigport.org/3904},
author = { },
publisher = {IEEE SigPort},
title = {DISTRIBUTED JOINT TRANSMITTER DESIGN AND SELECTION USING AUGMENTED ADMM},
year = {2019} }
TY - EJOUR
T1 - DISTRIBUTED JOINT TRANSMITTER DESIGN AND SELECTION USING AUGMENTED ADMM
AU -
PY - 2019
PB - IEEE SigPort
UR - http://sigport.org/3904
ER -
. (2019). DISTRIBUTED JOINT TRANSMITTER DESIGN AND SELECTION USING AUGMENTED ADMM. IEEE SigPort. http://sigport.org/3904
, 2019. DISTRIBUTED JOINT TRANSMITTER DESIGN AND SELECTION USING AUGMENTED ADMM. Available at: http://sigport.org/3904.
. (2019). "DISTRIBUTED JOINT TRANSMITTER DESIGN AND SELECTION USING AUGMENTED ADMM." Web.
1. . DISTRIBUTED JOINT TRANSMITTER DESIGN AND SELECTION USING AUGMENTED ADMM [Internet]. IEEE SigPort; 2019. Available from : http://sigport.org/3904

Security in the Internet of Things: Information Theoretic Insights


The emerging Internet of Things (IoT) has several salient characteristics that differentiate it from existing wireless networking architectures. These include the deployment of very large numbers of (possibly) low-complexity terminals; the need for low-latency, short-packet communications (e.g., to support automation); light or no infrastructure; and primary applications of data gathering, inference and control.

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30 November 2018 - 6:01pm
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globalsip18.pdf

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[1] , "Security in the Internet of Things: Information Theoretic Insights", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/3836. Accessed: Feb. 26, 2020.
@article{3836-18,
url = {http://sigport.org/3836},
author = { },
publisher = {IEEE SigPort},
title = {Security in the Internet of Things: Information Theoretic Insights},
year = {2018} }
TY - EJOUR
T1 - Security in the Internet of Things: Information Theoretic Insights
AU -
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/3836
ER -
. (2018). Security in the Internet of Things: Information Theoretic Insights. IEEE SigPort. http://sigport.org/3836
, 2018. Security in the Internet of Things: Information Theoretic Insights. Available at: http://sigport.org/3836.
. (2018). "Security in the Internet of Things: Information Theoretic Insights." Web.
1. . Security in the Internet of Things: Information Theoretic Insights [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/3836

Relay-Aided Secure Broadcasting for VLC

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Authors:
Ahmed Arafa, Erdal Panayirci, H. Vincent Poor
Submitted On:
28 November 2018 - 2:48pm
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[1] Ahmed Arafa, Erdal Panayirci, H. Vincent Poor, "Relay-Aided Secure Broadcasting for VLC", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/3824. Accessed: Feb. 26, 2020.
@article{3824-18,
url = {http://sigport.org/3824},
author = {Ahmed Arafa; Erdal Panayirci; H. Vincent Poor },
publisher = {IEEE SigPort},
title = {Relay-Aided Secure Broadcasting for VLC},
year = {2018} }
TY - EJOUR
T1 - Relay-Aided Secure Broadcasting for VLC
AU - Ahmed Arafa; Erdal Panayirci; H. Vincent Poor
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/3824
ER -
Ahmed Arafa, Erdal Panayirci, H. Vincent Poor. (2018). Relay-Aided Secure Broadcasting for VLC. IEEE SigPort. http://sigport.org/3824
Ahmed Arafa, Erdal Panayirci, H. Vincent Poor, 2018. Relay-Aided Secure Broadcasting for VLC. Available at: http://sigport.org/3824.
Ahmed Arafa, Erdal Panayirci, H. Vincent Poor. (2018). "Relay-Aided Secure Broadcasting for VLC." Web.
1. Ahmed Arafa, Erdal Panayirci, H. Vincent Poor. Relay-Aided Secure Broadcasting for VLC [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/3824

OPPORTUNISTIC SCHEDULING IN UNDERLAY COGNITIVE RADIO BASED SYSTEMS: USER SELECTION PROBABILITY ANALYSIS

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Authors:
Neeraj Varshney, Prabhat Kumar Sharma, M S Alouni
Submitted On:
27 November 2018 - 10:10am
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[1] Neeraj Varshney, Prabhat Kumar Sharma, M S Alouni, "OPPORTUNISTIC SCHEDULING IN UNDERLAY COGNITIVE RADIO BASED SYSTEMS: USER SELECTION PROBABILITY ANALYSIS", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/3813. Accessed: Feb. 26, 2020.
@article{3813-18,
url = {http://sigport.org/3813},
author = {Neeraj Varshney; Prabhat Kumar Sharma; M S Alouni },
publisher = {IEEE SigPort},
title = {OPPORTUNISTIC SCHEDULING IN UNDERLAY COGNITIVE RADIO BASED SYSTEMS: USER SELECTION PROBABILITY ANALYSIS},
year = {2018} }
TY - EJOUR
T1 - OPPORTUNISTIC SCHEDULING IN UNDERLAY COGNITIVE RADIO BASED SYSTEMS: USER SELECTION PROBABILITY ANALYSIS
AU - Neeraj Varshney; Prabhat Kumar Sharma; M S Alouni
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/3813
ER -
Neeraj Varshney, Prabhat Kumar Sharma, M S Alouni. (2018). OPPORTUNISTIC SCHEDULING IN UNDERLAY COGNITIVE RADIO BASED SYSTEMS: USER SELECTION PROBABILITY ANALYSIS. IEEE SigPort. http://sigport.org/3813
Neeraj Varshney, Prabhat Kumar Sharma, M S Alouni, 2018. OPPORTUNISTIC SCHEDULING IN UNDERLAY COGNITIVE RADIO BASED SYSTEMS: USER SELECTION PROBABILITY ANALYSIS. Available at: http://sigport.org/3813.
Neeraj Varshney, Prabhat Kumar Sharma, M S Alouni. (2018). "OPPORTUNISTIC SCHEDULING IN UNDERLAY COGNITIVE RADIO BASED SYSTEMS: USER SELECTION PROBABILITY ANALYSIS." Web.
1. Neeraj Varshney, Prabhat Kumar Sharma, M S Alouni. OPPORTUNISTIC SCHEDULING IN UNDERLAY COGNITIVE RADIO BASED SYSTEMS: USER SELECTION PROBABILITY ANALYSIS [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/3813

GlobalSIP 2018 Poster: A Low-Complexity LS Turbo Channel Estimation Technique for MU-MIMO Systems

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27 November 2018 - 2:05am
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[1] , "GlobalSIP 2018 Poster: A Low-Complexity LS Turbo Channel Estimation Technique for MU-MIMO Systems", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/3805. Accessed: Feb. 26, 2020.
@article{3805-18,
url = {http://sigport.org/3805},
author = { },
publisher = {IEEE SigPort},
title = {GlobalSIP 2018 Poster: A Low-Complexity LS Turbo Channel Estimation Technique for MU-MIMO Systems},
year = {2018} }
TY - EJOUR
T1 - GlobalSIP 2018 Poster: A Low-Complexity LS Turbo Channel Estimation Technique for MU-MIMO Systems
AU -
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/3805
ER -
. (2018). GlobalSIP 2018 Poster: A Low-Complexity LS Turbo Channel Estimation Technique for MU-MIMO Systems. IEEE SigPort. http://sigport.org/3805
, 2018. GlobalSIP 2018 Poster: A Low-Complexity LS Turbo Channel Estimation Technique for MU-MIMO Systems. Available at: http://sigport.org/3805.
. (2018). "GlobalSIP 2018 Poster: A Low-Complexity LS Turbo Channel Estimation Technique for MU-MIMO Systems." Web.
1. . GlobalSIP 2018 Poster: A Low-Complexity LS Turbo Channel Estimation Technique for MU-MIMO Systems [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/3805

BANDWIDTH AND ROUND-TRIP TIME DETECTION BASED CONGESTION CONTROL FOR MULTIPATH TCP OVER HIGHLY LOSSY SATELLITE NETWORKS


Satellite systems might become an important supplement to 5G systems. In addition, compared with regular TCP, multipath TCP (MPTCP) provides a robust solution. However, due to the high latency and high loss of satellite networks, most of the existing multipath TCP congestion control schemes do not perform well. Therefore, we proposed a bandwidth and round-trip time detection-based congestion control (BWRD) for multipath TCP over highly lossy satellite networks. Simulations are running to evaluate the proposed BWRD algorithm.

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Authors:
Hefei Hu, Yuanan Liu
Submitted On:
24 November 2018 - 9:50am
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Global SIP Poster

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[1] Hefei Hu, Yuanan Liu, "BANDWIDTH AND ROUND-TRIP TIME DETECTION BASED CONGESTION CONTROL FOR MULTIPATH TCP OVER HIGHLY LOSSY SATELLITE NETWORKS", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/3770. Accessed: Feb. 26, 2020.
@article{3770-18,
url = {http://sigport.org/3770},
author = {Hefei Hu; Yuanan Liu },
publisher = {IEEE SigPort},
title = {BANDWIDTH AND ROUND-TRIP TIME DETECTION BASED CONGESTION CONTROL FOR MULTIPATH TCP OVER HIGHLY LOSSY SATELLITE NETWORKS},
year = {2018} }
TY - EJOUR
T1 - BANDWIDTH AND ROUND-TRIP TIME DETECTION BASED CONGESTION CONTROL FOR MULTIPATH TCP OVER HIGHLY LOSSY SATELLITE NETWORKS
AU - Hefei Hu; Yuanan Liu
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/3770
ER -
Hefei Hu, Yuanan Liu. (2018). BANDWIDTH AND ROUND-TRIP TIME DETECTION BASED CONGESTION CONTROL FOR MULTIPATH TCP OVER HIGHLY LOSSY SATELLITE NETWORKS. IEEE SigPort. http://sigport.org/3770
Hefei Hu, Yuanan Liu, 2018. BANDWIDTH AND ROUND-TRIP TIME DETECTION BASED CONGESTION CONTROL FOR MULTIPATH TCP OVER HIGHLY LOSSY SATELLITE NETWORKS. Available at: http://sigport.org/3770.
Hefei Hu, Yuanan Liu. (2018). "BANDWIDTH AND ROUND-TRIP TIME DETECTION BASED CONGESTION CONTROL FOR MULTIPATH TCP OVER HIGHLY LOSSY SATELLITE NETWORKS." Web.
1. Hefei Hu, Yuanan Liu. BANDWIDTH AND ROUND-TRIP TIME DETECTION BASED CONGESTION CONTROL FOR MULTIPATH TCP OVER HIGHLY LOSSY SATELLITE NETWORKS [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/3770

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