Antennas The key for success in your IoT / M2M application

Transcription

1 Antennas The key for success in your IoT / M2M application Harald Naumann Sales tekmodul GmbH Author of the IoT M2M Cookbook How to develop a device based on Wireless Wide Area Network modules Mobile / 1

2 Wireless technologies at this presentation Blue = low range / Orange = Terristic, wide range LTE UMTS/HSPA Cost GSM/GPRS WiFi ENOCEAN Bluetooth MHz Z-Wave Data Rate (Mbps) 2

3 Trapmaster an example for Hunting Based GSM module plus self-made PCB antenna Credits: EBV Electronics GmbH 3

4 Simulation of PCB GSM quad band antenna Out of IoT M2M Cookbook - pattern at 1930 MHz Credits: IoT M2M Cookbook - How to develop a device based on Wireless Wide Area Network modules More: 4

5 Interference of the plastic enclosure Red curve with and blue curve without enclosure Reflection factor with and w/o plastic enclosure Credits: IoT M2M Cookbook 5

6 Influence of the length of the PCB Marker 1-2 GSM 850/900 and 3-4 GSM 1800/1900 The shorter the PCB the worse is the antenna performance Credits: IoT M2M Cookbook 6

7 Trial to tune GSM quad band plus UMTS 1-2 = GSM 850, 3-4 = GSM 900, 5-6 = UMTS 2100 Reflection factor loaded to Atyune Credits: IoT M2M Cookbook 7

8 Trial to tune GSM quad band plus UMTS 1-2 = GSM 850, 3-4 = GSM 900, 5-6 = UMTS 2100 Smith Chart visible at Atyune Credits: IoT M2M Cookbook 8

9 Out of the self ceramic LTE antenna Multi resonant in different bands Reflection factor of ceramic LTE antenna on PCB with lenght of 80 mm, 100 mm and 120 mm Eval kit with LTE antenna Credits: IoT M2M Cookbook 9

10 Off the self LTE ceramic chip antenna Antenna efficiency in different bands Credits : IoT M2M Cookbook 10

11 GSM PCB antenna Design review I. Size of antenna ground plane II. Distance between the two GSM antenna radiators III. Distance between the GSM antenna radiator for 850/900 MHz IV. Via hole in the antenna feeding V. Width of PCB structure VI. Big via hole close to the GSM antenna VII. Bending of the antenna radiator for the lower GSM band Credits: IoT M2M Cookbook 11

12 Ceramic chip antenna Design review I. Size of the ground plane II. Ground plane beside the chip antenna III. No space for matching circuit IV. PCB track with 50 Ohm Credits : IoT M2M Cookbook 12

13 Example for 433,868 or 2400 MHz antenna How to design a nearly omni-directional pattern? Credits : Harald Naumann 13

14 No non-recurring engineering costs No NRE costs for your antenna by 10K order Credits : Sanav 14

15 Antenna Europa room, stand 49 Today we will measure your antenna for free Red curve bad, several mitakes, impossible to tune 15

16 Antenna Europa room, stand 49 Today we will measure your antenna for free Red curve good, blue curve better and already matched 16

17 Quectel cellular and GNSS modules Examples for cellular and GNSS modules LTE module EC20 & HSPA module UC20 GPRS / BT module M66 LTE module EC20 & HSPA module UC20 (Mini PCIe) GNSS module L76 GNSS module L86 Credits Quectel 17

18 Combined Wi-Fi module Wi-Fi Classic BT + BLE Credits: Redpine Signals 18

19 Bluetooth Low Energy Eval kit Including source code for application BLE module with embedded antenna BLE module sensor evaluation kit Credits: Insight SIP 19

20 Components for your IoT M2M application Let s talk about wireless modules & antennas Europa room Stand 49 Call Or text to Or talk to the team at 20