摘要:
According to one embodiment, an antenna apparatus includes a first antenna element, a second antenna element, and a third antenna element. The first antenna element has one end connected to a feed terminal, and other end open. The second antenna element has one end connected to a first position set on an element of the first antenna element, and other end open, with a portion between one end and the other end being disposed parallel to the first antenna element. The third antenna element has one end connected to a second position set between the other end and the first position on the element of the first antenna element, and other end open, with at least part of a portion between one end and the other end being disposed near the second antenna element.
摘要:
An apparatus includes an antenna element that operates in at least first and second non-overlapping frequency bands and has geometric elements arranged to define empty spaces in the antenna element to provide first and second winding current paths through the antenna element, the first and second winding current paths circumventing the empty spaces and respectively corresponding to the first and second frequency bands to provide the antenna element with multi-band behavior. The apparatus further includes a ground plane, with the antenna element being electrically coupled to the ground plane. The antenna element provides a substantially similar impedance level and radiation pattern in the first and second frequency bands. The geometric elements are arranged such that the antenna element does not comprise a group of single band antennas that respectively operate in the first and second frequency bands, and the antenna element is not a fractal type antenna element.
摘要:
Antenna structures of electronic devices and methods of operating the electronic devices with the antenna structures are described. One antenna structure includes a ground plane, a radio frequency (RF) feed, a first antenna element coupled to the RF feed, a second antenna element coupled to the RF feed and a third antenna element coupled to the ground plane at a grounding point. The third antenna element is at least partially disposed between the first and second antenna elements to form a first coupling between the first antenna element and the third antenna element, a second coupling between the second antenna element and the third antenna element and a third coupling between the second antenna element and the third antenna element.
摘要:
A communication device includes a ground element and an antenna element. The antenna element is disposed on a dielectric substrate which is adjacent to an edge of the ground element. The antenna element includes a radiating element, a shorting element and a feeding element. The radiating element has a first open end, a second open end and a shorting point. The radiating element is divided into a first element and a second element by the shorting point. The first element includes the first open end, and the second element includes the second open end. One end of the shorting element is coupled to the shorting point through a first inductive element, and another end is electrically connected to the ground element. The feeding element and the first element are spaced by a coupling gap, and the feeding element is coupled to a signal source through a matching circuit.
摘要:
Antenna array arrangement for a multi band antenna, comprising a plurality of first dual band antenna elements adapted for transmitting/receiving in a lower antenna frequency band and in a higher antenna frequency band, a plurality of first single band antenna elements adapted for transmitting/receiving in the higher antenna frequency band, the first dual band antenna elements and the first single band antenna elements being arranged in a row, wherein at least two first single band antenna elements are arranged adjacent to each other. Furthermore, the invention also relates to a multi band antenna comprising at least one such antenna array arrangement.
摘要:
A dual-polarized microstrip antenna includes: at least one metal radiating patch, i.e. a first metal radiating patch; at least one ground metal layer whereon excitation micro-slots are etched; at least one dielectric layer, i.e. a first dielectric layer it is preferred that the dielectric layer is a resonant dielectric layer such as a resonant dielectric layer of air or other layers of optimization resonant materials; at least one set of bipolar excitation microstrip lines; the dielectric layer is between the first metal radiating patch and the ground metal layer. The dual-polarized microstrip antenna of multi-layer radiation structure is designed in a relatively small volume, which effectively saves the cost of antenna installation and maintenance, and is widely applied in the fields of mobile communication and internet technology.
摘要:
An apparatus and method are taught for instantiation of a plurality of high-frequency antennas in a limited space in a manner that provides good isolation. The instantiation may include relative rotations of linear conductors, mirror images, as well as horizontally and vertically polarized antennas. In one embodiment, the antennas may be multi-band antennas.
摘要:
A system that incorporates the subject disclosure may include, for example, a circuit for receiving a request to initiate a first multiple-input and multiple-output (MIMO) communication session and a second MIMO communication session, and configuring a first antenna configuration and a second antenna configuration to enable the first MIMO communication session and the second MIMO communication session. The first MIMO communication session shares spectrum from the first antenna configuration and the second antenna configuration, and the second MIMO communication session utilizes spectrum from the second antenna configuration that differs from the shared spectrum. Other embodiments are disclosed.
摘要:
An antenna module includes a center base and several antennas disposed around the center base. The center base has several extension legs extending from the center base, and each antenna extends from an end of the corresponding extension leg opposite to the center base, so as to form the antenna module symmetrically arranged around the center base. The type of the antenna may be a single-frequency antenna and a dual-frequency antenna. The antenna module is an integral structure formed by directly bending a single metal plate, thus greatly reducing the volume and the manufacturing cost of the antenna module. Moreover, with the design of the center base and a symmetrical antenna group, the antenna module is capable of receiving and transmitting signals with two or more frequency bands, thus greatly increasing the application range of the antenna module.
摘要:
A compact dual-channel antenna operating at least in two frequency bands, comprises at least the following elements: a coaxial cable connected to a reference ground, an antenna element designed to operate in the high-frequency band, having a length Linf, a counter-skirt with a length roughly corresponding to Linf and arranged around said antenna element, said duly surrounded antenna element being placed between the ground plane and an antenna element designed to operate in the low-frequency band, the assembly having a length Lsup designed to operate in the low-frequency band and consisting of the antenna element and the counter-skirt, fed via the core of said coaxial surrounding a magnetic element to form a winding, said antenna element being fed via a braid of the sheath of said coaxial.