TY - JOUR
T1 - Capacity Loss from Localization Error in MIMO Channel Using Leaky Coaxial Cable
AU - Zhu, Junjie
AU - Hou, Yafei
AU - Nagayama, Kenta
AU - Denno, Satoshi
N1 - Funding Information:
This work was supported by the JSPS KAKENHI Grant 20K04484.
Publisher Copyright:
© 2013 IEEE.
PY - 2021
Y1 - 2021
N2 - Leaky coaxial (LCX) cable has been employed as antennas for wireless traffic over many linear-cell scenarios such as railway station, tunnels and shopping malls. In addition, LCX can be used for user localization and wireless power transfer (WPT). Compared with the equal power allocation method, the power allocation method for LCX system using positional information (PI) can improve its capacity with the same level of computational complexity. In this paper, we will investigate the level of capacity loss on the 2.4 GHz and 5 GHz band for the conventional equal power (EP) allocation method, the water-filling (WF) based power allocation, and our proposed low-complexity power allocation method for LCX system with PI. The results show that LCX system with our proposed method using PI can reduce the capacity loss due to localization error than that of others.
AB - Leaky coaxial (LCX) cable has been employed as antennas for wireless traffic over many linear-cell scenarios such as railway station, tunnels and shopping malls. In addition, LCX can be used for user localization and wireless power transfer (WPT). Compared with the equal power allocation method, the power allocation method for LCX system using positional information (PI) can improve its capacity with the same level of computational complexity. In this paper, we will investigate the level of capacity loss on the 2.4 GHz and 5 GHz band for the conventional equal power (EP) allocation method, the water-filling (WF) based power allocation, and our proposed low-complexity power allocation method for LCX system with PI. The results show that LCX system with our proposed method using PI can reduce the capacity loss due to localization error than that of others.
KW - LCX-MIMO
KW - Leaky coaxial cable (LCX)
KW - channel capacity
KW - positional information
KW - power allocation
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U2 - 10.1109/ACCESS.2021.3053034
DO - 10.1109/ACCESS.2021.3053034
M3 - Article
AN - SCOPUS:85099726149
SN - 2169-3536
VL - 9
SP - 15929
EP - 15938
JO - IEEE Access
JF - IEEE Access
M1 - 9328758
ER -