TY - GEN
T1 - Performance Analysis of Uplink Uncoordinated Code-Domain NOMA for SINs
AU - Gan, Mingduo
AU - Jiao, Jian
AU - Li, Lianqin
AU - Wu, Shaohua
AU - Zhang, Qinyu
N1 - Publisher Copyright:
© 2018 IEEE.
PY - 2018/11/30
Y1 - 2018/11/30
N2 - Space information networks (SINs) are regarded as an effective solution to enable a broadband access capability in a global coverage and cost-effective manner for massive machine type communications (mMTC). A collision often occurs when two or more user equipments (UEs) select the same pilot in mMTCs, and the received colliding signals are treated as interference. In this paper, we first analyze the problem of pilot collision for uplink mMTCs in SIN, then we investigate the performance of an uncoordinated code domain non-orthogonal multiple access (NOMA) protocol. Moreover, to recover the information in collisions, we adopt successive interference cancellation (SIC) and successive joint decoding (SJD) under a shadowed-Rician fading and path loss satellite-ground channel model, and derive the expressions of the outage probability and maximum system throughput for SIC and SJD, respectively. Numerical and simulation results validate our analytical results and show that the maximum system throughput of SJD is almost double that of SIC.
AB - Space information networks (SINs) are regarded as an effective solution to enable a broadband access capability in a global coverage and cost-effective manner for massive machine type communications (mMTC). A collision often occurs when two or more user equipments (UEs) select the same pilot in mMTCs, and the received colliding signals are treated as interference. In this paper, we first analyze the problem of pilot collision for uplink mMTCs in SIN, then we investigate the performance of an uncoordinated code domain non-orthogonal multiple access (NOMA) protocol. Moreover, to recover the information in collisions, we adopt successive interference cancellation (SIC) and successive joint decoding (SJD) under a shadowed-Rician fading and path loss satellite-ground channel model, and derive the expressions of the outage probability and maximum system throughput for SIC and SJD, respectively. Numerical and simulation results validate our analytical results and show that the maximum system throughput of SJD is almost double that of SIC.
KW - Space information networks
KW - non-orthogonal multiple access (NOMA)
KW - successive interference cancellation
KW - successive joint decoding
KW - uncoordinated random access
UR - https://www.scopus.com/pages/publications/85059944400
U2 - 10.1109/WCSP.2018.8555942
DO - 10.1109/WCSP.2018.8555942
M3 - 会议稿件
AN - SCOPUS:85059944400
T3 - 2018 10th International Conference on Wireless Communications and Signal Processing, WCSP 2018
BT - 2018 10th International Conference on Wireless Communications and Signal Processing, WCSP 2018
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 10th International Conference on Wireless Communications and Signal Processing, WCSP 2018
Y2 - 18 October 2018 through 20 October 2018
ER -