Printed Circuit Board and Wireless Terminal Using Multiple-Input Multiple-Output Antenna Technology

Patent metadata

Field	Value
Publication number	US-2016111779-A1
Application number	US-201314894997-A
Country	US
Kind code	A1
Filing date	Aug 23, 2013
Priority date	Jun 3, 2013
Publication date	Apr 21, 2016
Grant date	—

Abstract

Disclosed are a printed circuit board and a wireless terminal using the multiple-input multiple-output technology including that printed circuit board, wherein at least two antennas are set on the printed circuit board, among antennas on the printed circuit board, a metal band gap structure is set in a headroom area of at least two adjacent antennas. The printed circuit board and wireless terminal using the multiple-input multiple-output technology including the printed circuit board in the above-mentioned technical scheme effectively improve the isolation between the antennas, solve the interference problem between the multiple antennas, and meet the layout requirements for minimizing multiple antennas of the terminal produces such as cellphones simultaneously.

First claim

What is claimed is:

1 . A printed circuit board, wherein at least two antennas are set on the printed circuit board, and wherein,
among the antennas on the printed circuit board, a metal band gap structure is set in a headroom area of at least two adjacent antennas.

2 . The printed circuit board of claim 1 , wherein,
a structure, a shape and a number of layers of the metal band gap structure are set according to design requirements for isolation between the adjacent antennas.

3 . The printed circuit board of claim 1 , wherein,
the metal band gap structure comprises a metal sheet array constituted by a plurality of metal sheets set on the printed circuit board.

4 . The printed circuit board of claim 3 , wherein,
the metal sheet array is set on one or more layers in a multi-layer structure of the printed circuit board.

5 . The printed circuit board of claim 3 , wherein,
a size of the metal sheet is set according to design requirements for isolation between the adjacent antennas.

6 . A wireless terminal using multiple-Input multiple-output technology, comprising the printed circuit board of claim 1 .

7 . The printed circuit board of claim 2 , wherein,
the metal band gap structure comprises a metal sheet array constituted by a plurality of metal sheets set on the printed circuit board.

Assignees

• Zte Corp

Inventors

• Ma Jinping
• Liu Yang

Classifications

• H01Q1/521 Primary

  reducing the coupling between adjacent antennas · CPC title

• H01Q1/38

  formed by a conductive layer on an insulating support {(patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface  H01Q15/142)} · CPC title

• H01Q21/28

  Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)} · CPC title

• H01Q1/243

  with built-in antennas · CPC title

• H01Q1/52

  Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure (absorbing means H01Q17/00) · CPC title