WO2019014733A1 - Antena bluetooth sintonizável incorporada a placa de circuito impresso para baliza eletrônica do tipo mista - Google Patents
Antena bluetooth sintonizável incorporada a placa de circuito impresso para baliza eletrônica do tipo mista Download PDFInfo
- Publication number
- WO2019014733A1 WO2019014733A1 PCT/BR2017/050195 BR2017050195W WO2019014733A1 WO 2019014733 A1 WO2019014733 A1 WO 2019014733A1 BR 2017050195 W BR2017050195 W BR 2017050195W WO 2019014733 A1 WO2019014733 A1 WO 2019014733A1
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- WO
- WIPO (PCT)
- Prior art keywords
- antenna
- bluetooth
- elements
- circuit board
- tunable
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
Definitions
- the tunable Bluetooth antenna incorporated into the mixed-type electronic beacon printed circuit board object of the present invention is a high-performance, tunable antenna with applications in Bluetooth beacons and other devices requiring tuned signals or gain / performance variations.
- This antenna can also be used in several areas, but the major marketing interests are in the areas of logistics and marketing. Logistics by the possibility of tracking items, acting as an "indoor GPS" and independent of the communication data network. In the marketing area, in advertising actions using the transmission of data to disseminate relevant information to the customer of a particular establishment.
- a high-performance antenna is essential for improving power consumption in BLE devices, or Bluetooth Low Energy, since the high performance of the antenna allows the output power to decrease in the radio module, thereby improving the battery performance, and high sensitivity also allows the preamplifier module to expend less energy to process the signal.
- the tunable Bluetooth antenna of the mixed type electronic beacon is tunable through the use of discrete components such as inductors and capacitors, and physically, by varying the position of the tuners according to the application. It is important to note that the position of the tuner does not change after the antenna is fabricated by the planar method, however the tuning function and the gain variation will still be present.
- the tunable Bluetooth antenna incorporated into the composite electronic beacon printed circuit board object of the present patent has as its main objective to optimize and maximize the performance of a beacon device, where energy savings are a very relevant factor for the viability of its use and the adhesion of the market.
- Bluetooth antennas are divided into folded, inverted, shortened and inverted shortened-type monopoles; in dipoles of the simple and shortened, and ceramic antennas, eventually associated with some type of stup or grounded output.
- the commonly used structures are the PIFA structures, of the English language Planar inverted-F Antenna, or Planar antenna of type F-inverted, being able to be implanted in ceramic loop, having one of the inputs connected in the line of transmission, and the other grounding of the circuit board.
- these antennas are symmetrical and can be used in various positioning configurations, adapting according to the required circuitry coupled to it.
- the purpose is to increase the bandwidth of the antenna and achieve a multi-band design for the antenna.
- the antenna comprises a ground plate, a feed point, a radiation stretch and a substrate as the medium.
- the radiation section is composed of four semicircular rings, a circular ring and two rectangular strips, in which the four semicircular rings are symmetrical in pairs and connected in sequence, the circular ring is located at the bottom in the middle of the region defined by the four rings semicircular and the width of the strip line of the connection between the four semicircular rings and the circular ring inside is smaller than the width of the strip line from the feed point to the four semicircular rings.
- the substrate is an FR4 epoxy plate.
- An arc-shaped structure is disposed on the ground plate below a line of the strip from the feed point to the four semicircular rings.
- a circular fault is arranged in the arc-shaped structure.
- the main application is that microstrip antennas are designed and manufactured.
- This device is one of the few examples of high-performance Bluetooth antenna variants using the DGS technique, defect ground structure and semi-circular structures to achieve the required performance by harmonic suppression.
- This invention uses slits in the ground plane to create or suppress resonances so as to be married to the semicircles which are formed in the upper part of the substrate, which diverges from the resonance technique employed, the wedge of capacitances and passive inductances in the planar circuit;
- the wireless communication component includes: (i) a Received Signal Strength Indicator (RSSI) module for measuring the signal strength of a received wireless signal in the wireless communications component, wherein the device is configured to be traced by a mobile computing device (MCD)
- MCD mobile computing device
- a mobile application in which the distance from the MCD device is calculated by the mobile application upon receiving between one and three RSSI values, measured by the RSSI method, and sent in a signal by the device to the MCD in that the distance is calculated based on an average of RSSI values received.
- This document is about a currency format adhesive used for object localization, but it does not address the format of the antennas. It is invention meets the requirements of location, but is based exclusively on the search for lost objects;
- the patent document CN104658251 discloses an intersection traffic flow detection method and device based on a directional antenna.
- the method comprises the following steps: sending signals using a vehicle-mounted broadcasting unit, wherein the signals are received by a beacon receiving device for collecting vehicle beacon messages; Transmit beacon messages collected from vehicles to a data processing module and analyze beacon messages from vehicles to perform traffic flow statistics and identify vehicle's direction of travel; Transmit traffic detection information obtained by the data processing module to a remote monitoring system through a wireless transmission module in order to perform traffic flow statistics and remote monitoring; Store information in the monitoring system using a data storage module.
- the traffic flow is detected using the directional antenna, so that the defects that the mutual interference happens easily and the detection range is narrow in a conventional method adapting Bluetooth and the like are overcome;
- the directional antenna coverage is wide, so traffic flow detection is relatively accurate and traffic flow is measured accurately under the specific conditions that vehicles turn in the intersecting regions;
- US-A-0152304 METHOD AND SYSTEM FOR BLUETOOTH DEVICE S YNCHRONIZATION, of December 31, 2015, generally refers to a method and apparatus for low energy BLE synchronization ( BLE).
- BLE low energy BLE synchronization
- the disclosure allows the BLE devices enabled with the BLE and IEEE 802.1 radios 1 to synchronize using a non-BLE beacon signal.
- the beacon signal and the information available between the corresponding BLE devices are used to synchronize the BLE devices.
- the first BLE device receives a beacon signal having a reference time mark and determines a first time offset as a function of the reference time mark.
- the first BLE device selects an event time window as a function of the first time offset and conducts a BLE event (publicity or sweep) during the event time window.
- the second BLE device also uses the beacon signal and the shared information to complement the event of the first device by an advertisement or scan
- the patent document WO2016 / 154486, BLUETOOTH LOW ENERGY RAPID ROOM ENTRY SYSTEM AND METHOD of 09/29/2016 provides a system and method for fast entry of rooms in which at least two low energy Bluetooth beacons (BLE ) can be used to determine when an activated BLE object has crossed a boundary.
- the enabled BLE object can detect the BLE beacon signals and a locating motor can determine the boundary crossing based on the detected signals of each BLE beacon.
- Each BLE beacon may have a directional antenna such that a portion of the signal having a strong resistance is directed to the boundary and a portion of the signal having a weaker force is directed out of the boundary.
- Figure 1 shows a schematic of the top view of the antenna, object of the present patent, standing out the representation of the copper surface and the circuitry of the PCB (101).
- Figure 2 shows a schematic detailing the embodiments of the tunable Bluetooth antenna incorporated into the mixed type electronic beacon printed circuit board of the present invention.
- Figure 3 shows the graph of the return loss of a good, inverted F-type standard antenna, highlighting the peak values for comparison with the return loss of the invention in Figure 4, which represents the loss graph of the present invention.
- Figure 4 shows the return loss graph of the tunable Bluetooth antenna incorporated into the mixed type electronic beacon printed circuit board object of the present patent.
- the difference in peak frequency is 13 dB, or four times more efficient.
- a preferred non-restrictive preferred embodiment of the present tunable Bluetooth antenna device, object of this patent, wherein the configuration and application may vary in form suitable for each desired model is described below; describing one of the constructive possibilities that lead to the realization of the object described and the way it works
- the tunable Bluetooth antenna incorporated into the mixed-type electronic beacon printed circuit board, object of the present patent, is an antenna with arrangement of different specific passive elements combined for operation in microwave frequency ranges.
- the antenna is composed of the fixed copper passive elements and the discrete configurable elements, these being: the Fixed Elements tuners and directors constructed in the own copper of the device plate that uses this model of antenna and the Configurable Discrete Elements that are capacitors and inductors that can be used for fine tuning of the altered set, the impedance matching between TX / RX radio and fixed antenna elements.
- Antenna power is provided by a 50 ohm impedance-coupled transmission line 102, and discrete elements such as capacitors and inductors may be included between the circuitry 101 and the transmission line 102, which are responsible antenna tuning.
- the junction between the top 104 and the bottom of the antenna 105 is by the first tuner 103 which determines the capacitance between the antenna and the transmission line.
- the second tuner (106) allows to shift the resonant frequency.
- the final rods are directional (107) which allows better conditioning of antenna directivity.
- the antenna proposed here is similar to antennas of inverted F-type and shortened dipole, but the invention allows impedance characteristics to be shaped by the physical characteristics of turns (201), relative to the inductance by the introduction of " (202), and in relation to the capacitance by the introduction of signal "advance", or “capacitive spacing” (203), which serve for antenna tuning and performance enhancement
- the invention here has shown a performance four times higher than a common inverted F-antenna, i.e. it is possible that the invention can operate with radios four times less powerful, having the same performance, as shown in Figures 3 and 4.
- the difference between the frequency peaks is 13 dB.
- This performance is due to the possibility of tuning the impedances given by the items 103, tuner 1, the number of turns 201 and consequently by the control of the impedances 202, the dimensions of the turns, the dimensions of 203 and by the positioning of (106).
- the tunable Bluetooth antenna incorporated into the mixed-type electronic beacon printed circuit board object of the present patent which describes a specific model of planar antenna used in telecommunication devices operating in the microwave range, as described above, presents a new and unique configuration that confers great advantages over the antennas known in the market for the same application.
- greater performance in its function and the fact that it is a versatile antenna that allows a greater suitability of the drawing to the size of the wavelength used by the radio.
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR212020001083U BR212020001083U2 (pt) | 2017-07-19 | 2017-07-19 | antena bluetooth sintonizável incorporada a placa de circuito impresso para baliza eletrônica do tipo mista |
PCT/BR2017/050195 WO2019014733A1 (pt) | 2017-07-19 | 2017-07-19 | Antena bluetooth sintonizável incorporada a placa de circuito impresso para baliza eletrônica do tipo mista |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/BR2017/050195 WO2019014733A1 (pt) | 2017-07-19 | 2017-07-19 | Antena bluetooth sintonizável incorporada a placa de circuito impresso para baliza eletrônica do tipo mista |
Publications (1)
Publication Number | Publication Date |
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WO2019014733A1 true WO2019014733A1 (pt) | 2019-01-24 |
Family
ID=65014877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/BR2017/050195 WO2019014733A1 (pt) | 2017-07-19 | 2017-07-19 | Antena bluetooth sintonizável incorporada a placa de circuito impresso para baliza eletrônica do tipo mista |
Country Status (2)
Country | Link |
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BR (1) | BR212020001083U2 (pt) |
WO (1) | WO2019014733A1 (pt) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57202105A (en) * | 1981-06-05 | 1982-12-10 | Toshiba Corp | Antenna device |
WO2001017061A1 (de) * | 1999-09-01 | 2001-03-08 | Siemens Aktiengesellschaft | Multiband-antenne |
TWI255586B (en) * | 2005-08-19 | 2006-05-21 | Advanced Connectek Inc | An invisible broadband planar antenna |
GB2448551A (en) * | 2007-04-20 | 2008-10-22 | Iti Scotland Ltd | Ultra-wideband antenna |
CN202134653U (zh) * | 2011-04-15 | 2012-02-01 | 哈尔滨工程大学 | 一种小型化宽频天线 |
US20150162664A1 (en) * | 2012-06-14 | 2015-06-11 | Yamaha Corporation | Antenna |
-
2017
- 2017-07-19 BR BR212020001083U patent/BR212020001083U2/pt not_active Application Discontinuation
- 2017-07-19 WO PCT/BR2017/050195 patent/WO2019014733A1/pt active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57202105A (en) * | 1981-06-05 | 1982-12-10 | Toshiba Corp | Antenna device |
WO2001017061A1 (de) * | 1999-09-01 | 2001-03-08 | Siemens Aktiengesellschaft | Multiband-antenne |
TWI255586B (en) * | 2005-08-19 | 2006-05-21 | Advanced Connectek Inc | An invisible broadband planar antenna |
GB2448551A (en) * | 2007-04-20 | 2008-10-22 | Iti Scotland Ltd | Ultra-wideband antenna |
CN202134653U (zh) * | 2011-04-15 | 2012-02-01 | 哈尔滨工程大学 | 一种小型化宽频天线 |
US20150162664A1 (en) * | 2012-06-14 | 2015-06-11 | Yamaha Corporation | Antenna |
Also Published As
Publication number | Publication date |
---|---|
BR212020001083U2 (pt) | 2021-05-18 |
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