Title :
Mode-Based Computation Method of Channel Characteristics for a Near-Field MIMO
Author :
Tak, Youndo ; Nam, Sangwook
Author_Institution :
Sch. of Electr. Eng. & INMC, Seoul Nat. Univ., Seoul, South Korea
fDate :
7/3/1905 12:00:00 AM
Abstract :
This letter proposes a new mode-based method for estimating the channel characteristics of a near-field multiple-input-multiple-output (MIMO). When an antenna array composed of a short electric dipole and a small solenoidal loop is used, a 2×2 near-field MIMO can be effectively constructed according to the orthogonality of the TM10 and TE10 modes. By using the proposed method, the transmission characteristics of the MIMO and the mutual coupling effect at the antenna array can be easily calculated. In addition, the capacity of the MIMO can also be calculated by using the analysis results.
Keywords :
MIMO communication; dipole antenna arrays; loop antennas; wireless channels; TE10 mode; TM10 mode; antenna array; channel characteristics; mode-based computation method; mutual coupling effect; near-field MIMO; near-field multiple-input-multiple-output; short electric dipole; solenoidal loop; transmission characteristics; Antenna arrays; Arrays; Dipole antennas; MIMO; Receiving antennas; Transmitting antennas; Addition theorem; antenna mutual coupling; multiple-input–multiple-output (MIMO) channel; near-field MIMO; small antennas;
Journal_Title :
Antennas and Wireless Propagation Letters, IEEE
DOI :
10.1109/LAWP.2011.2172182
