Joint Power and Time Allocation of Pilot Scheme Selection for Uplink mMTC in ITSN

Junliang Zhou; Jian Jiao; Zilin Ni; Shiyi Liao; Shaohua Wu; Qinyu Zhang

doi:10.1109/VTC2020-Fall49728.2020.9348733

Joint Power and Time Allocation of Pilot Scheme Selection for Uplink mMTC in ITSN

Junliang Zhou
, Jian Jiao
, Zilin Ni
, Shiyi Liao
, Shaohua Wu
, Qinyu Zhang

Harbin Institute of Technology Shenzhen

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

2 Scopus citations

Abstract

Integrated terrestrial-satellite networks (ITSN) is regarded as an effective solution to enable ubiquitous connectivity for massive machine type communications (mMTC) in the next generation of mobile system. In this paper, we study an uplink code-domain non-orthogonal multiple access (CD-NOMA) mMTCs system for ITSN. Considering that the conventional orthogonal pilot (OP) scheme is inefficient due to allocate dedicated time slot for pilot sequences, especially when the length of pilot sequences is large and need allocated more time slot for pilot transmission, the residual time slot for data offloading need consume more energy. To address this challenge, the power and time allocation is jointly optimized to reduce the energy consumption. Closed-form expressions for the joint optimal power and time allocation solutions are obtained, and used to establish the conditions for determining whether the OP scheme, superimposed pilot scheme, or hybrid pilot scheme should be used for mMTC. Simulations are provided to confirm the reliability of our analytical results and show the impact of various parameters on the system performance.

Original language	English
Title of host publication	2020 IEEE 92nd Vehicular Technology Conference, VTC 2020-Fall - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781728194844
DOIs	https://doi.org/10.1109/VTC2020-Fall49728.2020.9348733
State	Published - Nov 2020
Externally published	Yes
Event	92nd IEEE Vehicular Technology Conference, VTC 2020-Fall - Virtual, Victoria, Canada Duration: 18 Nov 2020 → …

Publication series

Name	IEEE Vehicular Technology Conference
Volume	2020-November
ISSN (Print)	1550-2252

Conference

Conference	92nd IEEE Vehicular Technology Conference, VTC 2020-Fall
Country/Territory	Canada
City	Virtual, Victoria
Period	18/11/20 → …

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

Integrated terrestrial-satellite networks
hybrid pilot
massive machine type communications
orthogonal pilot
superimposed pilot

Access to Document

10.1109/VTC2020-Fall49728.2020.9348733

Cite this

Zhou, J., Jiao, J., Ni, Z., Liao, S., Wu, S., & Zhang, Q. (2020). Joint Power and Time Allocation of Pilot Scheme Selection for Uplink mMTC in ITSN. In 2020 IEEE 92nd Vehicular Technology Conference, VTC 2020-Fall - Proceedings Article 9348733 (IEEE Vehicular Technology Conference; Vol. 2020-November). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/VTC2020-Fall49728.2020.9348733

@inproceedings{fa89f8c9568447679de6156390ebbc03,

title = "Joint Power and Time Allocation of Pilot Scheme Selection for Uplink mMTC in ITSN",

abstract = "Integrated terrestrial-satellite networks (ITSN) is regarded as an effective solution to enable ubiquitous connectivity for massive machine type communications (mMTC) in the next generation of mobile system. In this paper, we study an uplink code-domain non-orthogonal multiple access (CD-NOMA) mMTCs system for ITSN. Considering that the conventional orthogonal pilot (OP) scheme is inefficient due to allocate dedicated time slot for pilot sequences, especially when the length of pilot sequences is large and need allocated more time slot for pilot transmission, the residual time slot for data offloading need consume more energy. To address this challenge, the power and time allocation is jointly optimized to reduce the energy consumption. Closed-form expressions for the joint optimal power and time allocation solutions are obtained, and used to establish the conditions for determining whether the OP scheme, superimposed pilot scheme, or hybrid pilot scheme should be used for mMTC. Simulations are provided to confirm the reliability of our analytical results and show the impact of various parameters on the system performance.",

keywords = "Integrated terrestrial-satellite networks, hybrid pilot, massive machine type communications, orthogonal pilot, superimposed pilot",

author = "Junliang Zhou and Jian Jiao and Zilin Ni and Shiyi Liao and Shaohua Wu and Qinyu Zhang",

note = "Publisher Copyright: {\textcopyright} 2020 IEEE.; 92nd IEEE Vehicular Technology Conference, VTC 2020-Fall ; Conference date: 18-11-2020",

year = "2020",

month = nov,

doi = "10.1109/VTC2020-Fall49728.2020.9348733",

language = "英语",

series = "IEEE Vehicular Technology Conference",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

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address = "美国",

}

Zhou, J, Jiao, J, Ni, Z, Liao, S, Wu, S & Zhang, Q 2020, Joint Power and Time Allocation of Pilot Scheme Selection for Uplink mMTC in ITSN. in 2020 IEEE 92nd Vehicular Technology Conference, VTC 2020-Fall - Proceedings., 9348733, IEEE Vehicular Technology Conference, vol. 2020-November, Institute of Electrical and Electronics Engineers Inc., 92nd IEEE Vehicular Technology Conference, VTC 2020-Fall, Virtual, Victoria, Canada, 18/11/20. https://doi.org/10.1109/VTC2020-Fall49728.2020.9348733

Joint Power and Time Allocation of Pilot Scheme Selection for Uplink mMTC in ITSN. / Zhou, Junliang; Jiao, Jian; Ni, Zilin et al.
2020 IEEE 92nd Vehicular Technology Conference, VTC 2020-Fall - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2020. 9348733 (IEEE Vehicular Technology Conference; Vol. 2020-November).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

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AU - Jiao, Jian

AU - Ni, Zilin

AU - Liao, Shiyi

AU - Wu, Shaohua

AU - Zhang, Qinyu

PY - 2020/11

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N2 - Integrated terrestrial-satellite networks (ITSN) is regarded as an effective solution to enable ubiquitous connectivity for massive machine type communications (mMTC) in the next generation of mobile system. In this paper, we study an uplink code-domain non-orthogonal multiple access (CD-NOMA) mMTCs system for ITSN. Considering that the conventional orthogonal pilot (OP) scheme is inefficient due to allocate dedicated time slot for pilot sequences, especially when the length of pilot sequences is large and need allocated more time slot for pilot transmission, the residual time slot for data offloading need consume more energy. To address this challenge, the power and time allocation is jointly optimized to reduce the energy consumption. Closed-form expressions for the joint optimal power and time allocation solutions are obtained, and used to establish the conditions for determining whether the OP scheme, superimposed pilot scheme, or hybrid pilot scheme should be used for mMTC. Simulations are provided to confirm the reliability of our analytical results and show the impact of various parameters on the system performance.

AB - Integrated terrestrial-satellite networks (ITSN) is regarded as an effective solution to enable ubiquitous connectivity for massive machine type communications (mMTC) in the next generation of mobile system. In this paper, we study an uplink code-domain non-orthogonal multiple access (CD-NOMA) mMTCs system for ITSN. Considering that the conventional orthogonal pilot (OP) scheme is inefficient due to allocate dedicated time slot for pilot sequences, especially when the length of pilot sequences is large and need allocated more time slot for pilot transmission, the residual time slot for data offloading need consume more energy. To address this challenge, the power and time allocation is jointly optimized to reduce the energy consumption. Closed-form expressions for the joint optimal power and time allocation solutions are obtained, and used to establish the conditions for determining whether the OP scheme, superimposed pilot scheme, or hybrid pilot scheme should be used for mMTC. Simulations are provided to confirm the reliability of our analytical results and show the impact of various parameters on the system performance.

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ER -

Joint Power and Time Allocation of Pilot Scheme Selection for Uplink mMTC in ITSN

Abstract

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UN SDGs

Keywords

Access to Document

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