Performance Analysis on Channel Estimation with Antenna Diversity of OFDM Reception in Multi-path Fast Fading Channel

被引：1
|
作者：
Oh, Hyun Seo [1 ]
Kang, Do Wook [1 ]
机构：
[1] Elect & Telecommun Res Inst, Autonomous Driving Syst Res Grp, Daejeon 305700, South Korea
来源：
WIRELESS PERSONAL COMMUNICATIONS | 2018年 / 103卷 / 03期
关键词：
V2X; WAVE; Multi-path fading channel; Decision feedback channel estimation (DFCE); Decision feedback channel estimation with antenna diversity (DFCE-AD); Packer error rate (PER); MODELS;
D O I：
10.1007/s11277-018-5919-7
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Vehicle to everything (V2X) communication supports vehicle to anything communication for vehicle safety and cooperative Intelligent Transport System in vehicular environments. IEEE 802.11p modem has been developed and applied for V2X communication system. V2X radio channel has multipath fast fading due to moving vehicles and surrounded road structure. We proposed a new DFCE-AD which combines DFCE and antenna diversity for OFDM reception and analyzed the performance improvement in multipath fading channel. Through computer simulation, SNR gain of DFCE-AD over DFCE for QPSK modulation is approximately 6 dB at PER = 10%. In other word, PER of DFCE-AD is improved over that of DFCE by about 20% at SNR = 10 dB. This result will be applied for the short sized packet and low order OFDM modulation in vehicular multipath fading channel.
引用
收藏
页码：2423 / 2431
页数：9
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