X hits on this document

73 views

0 shares

0 downloads

0 comments

4 / 35

Table of Contents

  • 1.

    Introduction............................................................................ 5

    • 1.1

      Audience ......................................................................... 5

    • 1.2

      Contact Information .......................................................... 5

    • 1.3

      AT&T Resources................................................................ 5

    • 1.4

      Terms and Acronyms......................................................... 6

  • 2.

    Introduction.............................................................................. 7

  • 3.

    Antenna Fundamentals.............................................................. 8

    • 3.1

      Antenna Impedance and Bandwidth..................................... 8

    • 3.2

      Antenna Efficiency........................................................... 10

    • 3.3

      Antenna Radiation Pattern and Polarization......................... 12

  • 4.

    Antenna Selection and Implementation...........................................

14

    • 4.1

      Embedded vs. External.................................................... 14

      • 4.1.1

        External Antennas.............................................. 15

      • 4.1.2

        Embedded Antennas........................................... 15

    • 4.2

      Antenna Type and Location.............................................. 16

      • 4.2.1

        Embedded Antenna Type…………………..................... 16

    • 4.3

      Common Implementation Mistakes.................................... 19

    • 4.4

      Antenna Design and Implementation Assistance.................. 20

    • 4.5

      Antenna System Issues.................................................... 21

      • 4.5.1

        Connecting the Antenna....................................... 21

      • 4.5.2

        Self-Interference................................................. 21

      • 4.5.3

        Co-existence with Other Wireless Technologies........ 22

  • 5.

    Antenna Performance Measurements........................................ 24

  • 6.

    Antenna Issues Related to Product Certification ...................... 25

    • 6.1

      Using a Certified Radio Module........................................... 25

    • 6.2

      Transmit Mode Failures..................................................... 26

    • 6.3

      Receive Mode Failures...................................................... 26

    • 6.4

      Harmonic Generation Failures............................................ 26

    • 6.5

      Device PreTesting............................................................. 27

  • 7.

    Conclusion ................................................................................ 28

Antenna Fundamentals Technical Brief

4

Document info
Document views73
Page views73
Page last viewedSat Dec 03 01:02:05 UTC 2016
Pages35
Paragraphs372
Words8021

Comments