230 MHz电力无线通信技术的优化

doi:10.11959/j.issn.1000-0801.2019195

Abstract

Abstract:

An optimized design for improving spectral efficiency was given for the case where the power wireless private network in the 230 MHz band continuously allocates carriers.By canceling the reserved guard band between carriers,continuous subcarrier frequency domain resource mapping,adaptive FFT and filtering processing were used,which reduced the amount of computation and improves the service rate.Aiming at the problem of unification of two technical standards of 230 MHz power wireless private network,the necessity and the preliminary analysis of the mature terminal and system equipment industry chain of public network were given.

Key words: LTE 230, continuous subband, frequency resource mapping, intermediate frequency filtering

CLC Number:

TN915

Xunwei ZHAO,Jie BAI,Gaoquan DING,Liyu XIANG. Optimization of electric power wireless communication technology[J]. Telecommunications Science, 2019, 35(9): 158-164.

Figures/Tables 8

References 21

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连续分配子带个数	带宽/kHz	子载波个数	保护带/kHz	FFT点数	基带采样速率/(ks·s^-1)
1	25	11	1.5	64	128
2	50	23	2	64	128
3	75	36	1.5	64	128
6	150	72	3	128	256
11	275	132	5.5	256	512
21	525	252	10.5	512	1 024
40	1 000	480	20	512	1 024
41	1 025	492	20	512	1 024

连续分配子带个数	带宽/kHz	子载波个数	保护带/kHz	FFT点数	基带采样速率/(ks·s^-1)
1	25	6	1.25	16	60
2	50	12	2.5	16	60
3	75	19	1.875	32	120
5	125	32	2.5	64	240
10	250	64	5	128	480
20	500	128	10	256	960
39	975	249	20.625	512	1 920
40	1 000	256	20	512	1 920
41	1 025	262	21.25	512	1 920

	运算量减小	传输速率提升
LTE-G	77.46%	9.09%
IoT-G	16.18%	6.07%

Optimization of electric power wireless communication technology

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