Aspects of the subject disclosure may include, for example, receiving, by a feed point of a dielectric antenna, electromagnetic waves from a dielectric core coupled to the feed point without an electrical return path, where at least a portion of the dielectric antenna comprises a conductive surface, directing, by the feed point, the electromagnetic waves to a proximal portion of the dielectric antenna, and radiating, via an aperture of the dielectric antenna, a wireless signal responsive to the electromagnetic waves being received at the aperture. Other embodiments are disclosed.

Method and apparatus for coupling an antenna to a device

A distributed antenna and backhaul system provide network connectivity for a small cell deployment. Rather than building new structures, and installing additional fiber and cable, embodiments described herein disclose using high-bandwidth, millimeter-wave communications and existing power line infrastructure. Above ground backhaul connections via power lines and line-of-sight millimeter-wave band signals as well as underground backhaul connections via buried electrical conduits can provide connectivity to the distributed base stations. An overhead millimeter-wave system can also be used to provide backhaul connectivity. Modules can be placed onto existing infrastructure, such as streetlights and utility poles, and the modules can contain base stations and antennas to transmit the millimeter-waves to and from other modules.

Backhaul link for distributed antenna system

A distributed antenna system is provided that frequency shifts the output of one or more microcells to a 60 GHz or higher frequency range for transmission to a set of distributed antennas. The cellular band outputs of these microcell base station devices are used to modulate a 60 GHz (or higher) carrier wave, yielding a group of subcarriers on the 60 GHz carrier wave. This group will then be transmitted in the air via analog microwave RF unit, after which it can be repeated or radiated to the surrounding area. The repeaters amplify the signal and resend it on the air again toward the next repeater. In places where a microcell is required, the 60 GHz signal is shifted in frequency back to its original frequency (e.g., the 1.9 GHz cellular band) and radiated locally to nearby mobile devices.

Remote distributed antenna system

Aspects of the subject disclosure may include, for example, a device that facilitates transmitting electromagnetic waves along a surface of a wire that facilitates delivery of electric energy to devices, and sensing a condition that is adverse to the electromagnetic waves propagating along the surface of the wire. Other embodiments are disclosed.

Method and apparatus for sensing a condition in a transmission medium of electromagnetic waves

Aspects of the subject disclosure may include, for example, a system for detecting a fault in a first wire of a power grid that affects a transmission or reception of electromagnetic waves that transport data and that propagate along a surface of the first wire, selecting a backup communication medium from one or more backup communication mediums according to one or more selection criteria, and redirecting the data to the backup communication medium to circumvent the fault. Other embodiments are disclosed.

Method and apparatus that provides fault tolerance in a communication network

A wireless terminal antenna is disclosed. The antenna includes a pull rod, a pull rod pedestal located at the base of the pull rod, and a spiral coil. One end of the spiral coil is electrically connected with the pull rod pedestal. The pull rod is axially retractable along the pull rod pedestal until it is retracted into the space enclosed by the spiral coil. At idle time, the pull rod is nested inside the spiral coil so that it is short and portable. When receiving signals normally, the pull rod can be pulled out. The antenna is miniaturized, portable, and provides good performance.

Wireless terminal antenna

The present invention provides a wireless communication device. The wireless communication device includes a mainboard and a connecting member, in which the mainboard includes a mainboard body and a mainboard end part which is connected to the connecting member; the side of the mainboard body away from the mainboard end part is connected to an antenna; and a matching network is arranged between the mainboard body and the mainboard end part and configured to control the distribution of the surface current induced by the antenna on the mainboard. By arranging the matching network between the mainboard body and the mainboard end part of the wireless communication device and changing, through the matching network, the distribution of the surface current induced by the antenna, the embodiments of the present invention may simultaneously guarantee the SAR performance and the wireless performance of a wireless communication terminal and improve the user experience.

Wireless communication device

The embodiment of the invention discloses an antenna design method and a data card veneer of a wireless terminal. The antenna design method which is provided by the embodiment of the invention comprises the steps of: dividing a non-other-metal wiring semi-closed area on the data card veneer of the wireless terminal; and laying antenna wiring in the semi-closed area, reserving a gap between the antenna wiring and the data card veneer, and implementing coupling between the antenna wiring and the data card veneer by the gap. The embodiment of the invention also discloses the data card veneer of the wireless terminal. By the embodiment of the invention, the working bandwidth of broadband is achieved when the SAR value of the antenna can be reduced.

Antenna design method and data card veneer of wireless terminal

The utility model discloses an antenna and a mobile terminal, belonging to the communication field. The antenna comprises a ground routing and a feed routing, wherein the ground routing comprises a low frequency branch and a high frequency branch, the high frequency branch and the low frequency branch share a common end point, the low frequency branch is surrounded by the ground routing and a coupling loading mode and an equivalent coupling feed loop antenna radiation mode are formed, and the high frequency branch is arranged outside the ground routing and is used for completing a high frequency monopole radiation mode. The mobile terminal comprises a PCB (Printed Circuit Board) and the antenna, wherein the antenna is printed on the PCB. The embodiment of the utility model solves the problem that low frequency bandwidth and high frequency bandwidth are insufficient in the prior art, performance of the antenna is effectively improved, near field energy can be effectively dispersed to the PCB and the mobile terminal, and the aim of reducing SAR (Synthetic Aperture Radar) is achieved, thus cost is saved and effective distance from the antenna to a trunk model of an SAR test instrument is effectively increased.

Antenna and Mobile Terminal

The embodiment of the invention provides a printed circuit board antenna and a printed circuit board. The printed circuit board antenna comprises a feed portion, a coupling interdigital portion and a grounding portion, wherein the feed portion is provided with at least one first branch circuit, the coupling interdigital portion is provided with at least one second branch circuit, a gap is formed between the first branch circuit and the second branch circuit, a gap is formed between the grounding portion and the feed portion, a gap is formed between the grounding portion and the coupling interdigital portion, an opening is formed in the grounding portion, and a feed point of the feed portion extends out of the opening. By means of the printed circuit board antenna and the printed circuit board, the problem that efficiency is low when the high-frequency bandwidth of the antenna is large is solved, and efficiency within the whole bandwidth range meets the product requirements.

Yao Lan

Papers

Wireless terminal antenna

Wireless communication device

Antenna design method and data card veneer of wireless terminal

Antenna and Mobile Terminal

Printed circuit board antenna and printed circuit board