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   _____     ___      ______     ___     _    _   
  / ___//   / _ \\   /_   _//   / _ \\  | || | || 
  \___ \\  | / \ ||  `-| |,-   / //\ \\ | || | || 
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 /____//    \___//     |_||   |_||  |_|| \____//  
`-----`     `---`      `-`'   `-`   `-`   `---`

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Text this: Downlink beamforming in clustered cooperative multicell MIMO systems