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Everything about Antenna array

Set of multiple antennas which work together

An antenna array is a set of multiple connected antennas which work together as a single antenna, to transmit or receive radio waves. The individual antennas are usually connected to a single receiver or transmitter by feedlines that feed the power to the elements in a specific phase relationship. The radio waves radiated by each individual antenna combine and superpose, adding together to enhance the power radiated in desired directions, and cancelling to reduce the power radiated in other directions. Similarly, when used for receiving, the separate radio frequency currents from the individual antennas combine in the receiver with the correct phase relationship to enhance signals received from the desired directions and cancel signals from undesired directions. More sophisticated array antennas may have multiple transmitter or receiver modules, each connected to a separate antenna element or group of elements. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Antenna arrayA 5-minute orientation
  2. Skim a recent paper: Movable-Antenna Array Enhanced Beamforming: Achieving Full Array Gain With Null SteeringInfluential work since 2022
  3. Pick up a classic book: 2-D true time delay generation using fiber chirp gratings and acousto-optic beam deflectorsThe most-reprinted book on the subject
  4. Read the landmark paper: Application of antenna arrays to mobile communications. II. Beam-forming and direction-of-arrival considerationsCited 1,539 times
  5. Go sideways: Driven and parasitic elementsA closely related topic
  6. Go sideways: Yagi–Uda antennaA closely related topic

📖 Definitions

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🗂️ The subject at a glance

  1. Principle
  2. Types
  3. Periodic arrays
  4. Aperiodic arrays
  5. Design of antenna arrays

🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

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