The invention discloses a multi-band
dielectric resonance cell phone terminal antenna; the multi-band
dielectric resonance cell phone terminal antenna comprises a rectangular
ceramic dielectric medium (3) with a groove and a high dielectric constant, a multi-
branch monopole (4), a dielectric board (1), a feed
microstrip line (2), a printed ground (5) and a via hole (6). The antenna structure is characterized in that the use of the multi-
branch monopole excite the rectangular dielectric medium with high dielectric constant, the
electric field distribution in the medium is changed to make the medium generate a multi-mode
resonance, thus achieving the requirements of the multi-mode multi-band of the terminal antenna, meanwhile, the dielectric medium is added with a groove, thus the
radiation area of the dielectric medium can be increased as well as effectively reducing the weight of the antenna, thereby improving the
radiation efficiency of the antenna. The multi-band
dielectric resonance cell phone terminal antenna is characterized in small size, light weight, simple structure, wide working band, and
high radiation efficiency. The multi-band
dielectric resonance cell phone terminal antenna is low in manufacturing cost, simple in structure, easy to
machining and integrate, can simultaneously meet the communication standards of 2G, 3G and 4G; and the multi-band
dielectric resonance cell phone terminal antenna has a good popularization and application foreground.