Reflector antenna and antenna alignment method
地域：
Guangdong
摘要
Embodiments of the present disclosure provide a reflector antenna and an antenna alignment method. The reflector antenna includes: a feed array, including N feeds, where N is an integer greater than 1; a reflector, configured to: reflect a signal from the feed array or reflect a signal to the feed array; and M radio frequency channels, where the radio frequency channel includes at least one of an adjustable gain amplifier or a phase shifter, configured to control a signal, M is an integer greater than 1 and less than N, each radio frequency channel corresponds to one of the N feeds, a correspondence between the radio frequency channel and the feed is changeable, and the radio frequency channel transmits or receives a signal by using a corresponding feed.
說(shuō)明書(shū)
This application is a continuation of U.S. patent application Ser. No. 15/962,769, filed on Apr. 25, 2018, which is a continuation of International Application No. PCT/CN2015/092854, filed on Oct. 26, 2015. All of the afore-mentioned patent applications are hereby incorporated by reference in their entireties.
Embodiments of the present application relate to the field of antenna technologies, and in particular, to a reflector antenna and an antenna alignment method.
An antenna is a critical device in wireless communication and microwave communication, and may implement mutual conversion between a high frequency electrical signal and a wireless signal or a microwave signal. In the wireless communication and the microwave communication, an antenna is used to transmit or receive a wireless signal or a microwave signal.
In the microwave communication, a reflector antenna is most used, and the reflector antenna includes a feed and a reflector. In a transmit state, a radio frequency channel sends a signal to the feed, and then a signal transmitted by the feed is radiated outwards by using reflection of the reflector; in a receive state, a received signal is reflected by the reflector to the feed and is transmitted to the radio frequency channel connected to the feed.
權(quán)利要求
What is claimed is:1. An antenna alignment method comprising:setting a correspondence between a radio frequency channel and a feed as a test correspondence; detecting power of a signal received by the radio frequency channel; determining an alignment correspondence between the radio frequency channel and the feed according to the power of the signal received by the radio frequency channel, wherein in the alignment correspondence between the radio frequency channel and the feed, feeds corresponding to the radio frequency channel are adjacent; setting the correspondence between the radio frequency channel and the feed as the alignment correspondence; and transmitting or receiving, by the radio frequency channel, a signal by using a feed corresponding to the alignment correspondence. 2. The method according to claim 1 , wherein in the test correspondence, the feeds corresponding to the radio frequency channel are located at an edge of a feed array. 3. The method according to claim 1 , wherein in the test correspondence, the feeds corresponding to the radio frequency channel are evenly distributed around a center of a feed array. 4. The method according to claim 1 , wherein determining an alignment correspondence between the radio frequency channel and the feed according to the power of the signal received by the radio frequency channel comprises:determining a direction of arrival according to the power of the signal received by the radio frequency channel; and determining, according to the direction of arrival, the alignment correspondence between the radio frequency channel and the feed. 5. The method according to claim 1 , wherein before transmitting or receiving, by the radio frequency channel, a signal by using a feed corresponding to the alignment correspondence, the method further comprises:adjusting a phase shifter of a receive radio frequency channel, and optimizing an MSE of a received signal obtained after a combiner performs combination. 6. The method according to claim 1 , wherein before transmitting or receiving, by the radio frequency channel, a signal by using a feed corresponding to the alignment correspondence, the method further comprises:adjusting an adjustable gain amplifier of a receive radio frequency channel, and optimizing an MSE of a received signal obtained after a combiner performs combination. 7. A reflector antenna comprising:a feed array comprising a plurality of feeds; a reflector configured to: reflect a signal from the feed array or reflect a signal to the feed array; a plurality of radio frequency channels to control a signal, each radio frequency channel corresponding to one of the feeds, wherein the feed array, the reflector, and the plurality of radio frequency channels are configured to:set a correspondence between a radio frequency channel and a feed as a test correspondence; detect power of a signal received by each radio frequency channel; determine an alignment correspondence between the radio frequency channel and the feed according to the power of the signal received by the radio frequency channel, wherein, in the alignment correspondence between the radio frequency channel and the feed, feeds corresponding to the radio frequency channel are adjacent; set the correspondence between the radio frequency channel and the feed as the alignment correspondence; and transmit or receive, by the radio frequency channel, a signal by using a feed corresponding to the alignment correspondence. 8. The reflector antenna according to claim 7 , wherein in the test correspondence, the feeds corresponding to the radio frequency channel are located at an edge of the feed array. 9. The reflector antenna according to claim 7 , wherein in the test correspondence, the feeds corresponding to the radio frequency channel are evenly distributed around a center of the feed array. 10. The reflector antenna according to claim 7 , wherein determining an alignment correspondence between the radio frequency channel and the feed according to the power of the signal received by the radio frequency channel comprises:determining a direction of arrival according to the power of the signal received by the radio frequency channel; and determining, according to the direction of arrival, the alignment correspondence between the radio frequency channel and the feed. 11. The reflector antenna according to claim 7 , wherein before transmitting or receiving, by the radio frequency channel, a signal by using a feed corresponding to the alignment correspondence, further comprising:adjusting a phase shifter of a receive radio frequency channel of the radio frequency channel, and optimizing an MSE of a received signal obtained after a combiner performs combination. 12. The reflector antenna according to claim 7 , wherein before transmitting or receiving, by the radio frequency channel, a signal by using a feed corresponding to the alignment correspondence, further comprising:adjusting an adjustable gain amplifier of a receive radio frequency channel of the radio frequency channel, and optimizing an MSE of a received signal obtained after a combiner performs combination.
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