CN100428642C - Notebook computer with antenna array module - Google Patents
Notebook computer with antenna array module Download PDFInfo
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- CN100428642C CN100428642C CNB2004100771072A CN200410077107A CN100428642C CN 100428642 C CN100428642 C CN 100428642C CN B2004100771072 A CNB2004100771072 A CN B2004100771072A CN 200410077107 A CN200410077107 A CN 200410077107A CN 100428642 C CN100428642 C CN 100428642C
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Abstract
The present invention provides a notebook computer with an antenna array module, which is suitable for a radio of a multiple input and output mode and an 802.11a/b/g mode. The notebook computer comprises an antenna, an antenna array module and a wireless local area network module, wherein the wireless local area network module comprises a diverter switch which is operated in the multiple input and output mode according to the wireless local area network module or in the 802.11a/b/g mode for controlling the operation of the antenna and the antenna array module. The antenna array module comprises a base plate, a plurality of antennas, a plurality of connectors and a plurality of signal transmission lines, wherein the antennas are arranged on the base plate, and the distance between two adjacent antennas is the same in essence; the connectors are arranged on the base plate, and can be used for electrically connecting with the wireless local area network module; the signal transmission lines are arranged in the base plate, and can be used for the electrically connecting of the antenna and the connectors; the length of the signal transmission lines is the same in essence.
Description
Technical field
The present invention relates to a kind of mobile computer, particularly relate to a kind of mobile computer with antenna array module.
Background technology
Under the leading of global telecommunications liberalization agitation, add the flourish of world-wide web and wireless telecommunications, communication has become the high-tech area of tool growth after information industry.And the development of wireless communication technique along with rapid technological improvements such as electronic information and numerals, provides people can obtain various information whenever and wherever possible, comprises voice, data etc., more past multimedia video information development in future.Wherein (Wireless Local Area Networks, WLAN), under wireless internet population in use number was grown up fast, global radio LAN output also increased WLAN year by year.
In the industry and the market level, more and more be subjected to goods producer and user's attention in mobile computer installing WLAN function, and the WLAN specification in mobile computer is generally used the defined 802.11a of IEEE, 802.11b, 802.11g standard at present, carries out wireless telecommunications.
See also Fig. 1, it is 802.11a, 802.11b, 802.11g the electrical block diagram of the employed WLAN module of any standard, as shown in the figure, WLAN module 10 comprises antenna change-over switch (Antenna switch) 11, radiofrequency receiving chip (RF front end IC) 12 and fundamental frequency and medium access control chip (Baseband and MAC IC) 13, the one end is connected with the mobile computer system, the other end then is connected with antenna 15 by radio frequency connector (RF connector) 14, this WLAN module 10 is main by the radio wave that is transmitted in antenna 15 admission of airs, convert high frequency radio wave to low frequency signal via radiofrequency receiving chip 12 again, at last, low frequency signal is sent to fundamental frequency and medium access control chip 13 carries out demodulation process, and judge whether the signal after the demodulation is the data that the mobile computer system will receive, if judged result is for being then to receive and be sent to the mobile computer internal system.
The data of another function of this WLAN module 10 for the mobile computer system will be transmitted, after carrying out computing and modulation process by fundamental frequency and 13 pairs of data of medium access control chip, be sent to radiofrequency receiving chip 12, in order to low frequency signal converted to high-frequency signal and to be sent in the air via antenna 15.
Because 802.11a, 802.11b, 802.11g any standard uses single antenna (antenna) to transmit and the received RF data-signal, and WLAN module 10 shown in Figure 1 is to be connected with two groups of antennas 15, therefore need control by which group antenna 15 by antenna change-over switch 11 and be responsible for carrying out the transmission and the reception of data, wherein, antenna change-over switch 11 is subjected to the control of fundamental frequency and medium access control chip 13, its judgment mode is for receiving the signal that is once received by two groups of antennas 15 earlier respectively, and detect where to organize the signal quality that antenna 15 received better, fundamental frequency and medium access control chip 13 will trigger this group reception quality of antenna change-over switch 11 conductings antenna 15 preferably, with transmission and the reception of carrying out data.
Present 802.11a, 802.11b, 802.11g the data transmission rate of any standard support can reach 54Mbps, and the next derivatives of WLAN specification, 802.11TGn, the data transmission rate of its support can be up to 100Mbps, and the 802.11TGn standard is applicable to multi-input multi output (multipleinput multiple output, MIMO) technology, see also Fig. 2, it is the electrical block diagram of mimo system, as shown in the figure, the MIMO technology uses many group antennas 15 in same frequency band, use identical modulating method to receive and transmit high-frequency data signal simultaneously, significantly increasing the transfer rate of data, and transmit in order to adapt to lot of data, every group of antenna 15 connects a radiofrequency receiving chip 12 separately.
For the WLAN function of strengthening mobile computer and the transfer rate that increases wireless data, computer maker is managed mimo system built-in to mobile computer invariably, though, at present industry develop a plurality of antennas that mimo system disperse to be arranged at mobile computer LCD screen around, for example: first group of antenna is arranged at the top of LCD screen, second group of antenna is arranged at the left side of LCD screen, and the 3rd group of antenna is arranged at the right side of LCD screen, but, take this antenna set-up mode, when the size of LCD screen changes, distance between the antenna will change, and every group of antenna to the distance of radio frequency connector also will change, well known, when above-mentioned distance changes, the computing of WLAN inside modules is set will be needed and then to change, and could handle or the data of mobile computer are sent out the high-frequency data signal that antenna received.
Therefore, how to develop a kind of mobile computer that improves above-mentioned known technology defective with antenna array module, real in pressing for the problem of solution at present.
Summary of the invention
Main purpose of the present invention is to provide a kind of mobile computer with antenna array module, disperse to be arranged at the panel of LCD antenna on every side of mobile computer to solve tradition, can be because of the change of LCD screen size, and distance between the antenna and every group of antenna to the distance of radio frequency connector is changed, make the computing of WLAN inside modules set essential and then change, could handle or with shortcomings such as the data of mobile computer send out the high-frequency data signal that antenna received.
Main purpose of the present invention is to provide a kind of mobile computer with antenna array module, one antenna array module and a single antenna are provided in mobile computer, make the diverter switch in the wireless local area network module operate on one of this multi-input multi output (MIMO) pattern or this 802.11a, 802.11b, three kinds of patterns of 802.11g, control the running of this antenna and this antenna array module according to this wireless local area network module.
For achieving the above object, the present invention one than broad sense embodiment for a kind of mobile computer is provided, it is applicable to the wireless telecommunications of one of multi-input multi output (MIMO) pattern and 802.11a, 802.11b, 802.11g pattern, and this mobile computer comprises: one first antenna, an antenna array module and a wireless local area network module.This wireless zone module comprises one and switches switch, and this diverter switch operates on the running that one of this multi-input multi output (MIMO) pattern or this 802.11a, 802.11b, three kinds of patterns of 802.11g are controlled this first antenna and this antenna array module according to this wireless local area network module.This antenna array module comprises: a substrate; A plurality of second antennas, it is arranged at this substrate, and the distance of adjacent two second antennas is identical in fact; A plurality of connectors, it is arranged at this substrate, in order to be electrically connected with this wireless local area network module; And many barss transmission line, it is arranged at this substrate inside, use so that described second antenna is electrically connected with described connector, and the length of described signal transmssion line is identical in fact.
Above-mentioned mobile computer, wherein this antenna array module be arranged at this mobile computer panel of LCD around, this substrate is a printed circuit board (PCB) or a ceramic substrate.
Above-mentioned mobile computer, wherein the described antenna of this antenna array module is in order to reception or transmits a radio-frequency (RF) data signal, and the distance D of adjacent two antennas is directly proportional with the wavelength of this radio-frequency (RF) data signal.
Above-mentioned mobile computer, wherein each described connector is a radio frequency connector, and it is electrically connected with this wireless local area network module by a radio frequency coaxial-cable, described signal transmssion line is a stripping line, a little stripping line or a co-plane waveguide line.
Above-mentioned mobile computer, wherein this wireless local area network module operates on this multi-input multi output mode, this diverter switch is controlled this antenna and is closed, and the described antenna of controlling this antenna array module receives or transmits this radio-frequency (RF) data signal simultaneously, when this wireless local area network module operated on one of this 802.11a, 802.11b, three kinds of patterns of 802.11g, one of them antenna that this diverter switch is controlled this antenna or this antenna array module received or transmits radio-frequency (RF) data signal.
Of the present invention another than broad sense embodiment for a kind of antenna array module is provided, it is applicable to a mobile computer, and is connected with a wireless local area network module, this antenna array module comprises: a substrate; A plurality of antennas, it is arranged at this substrate, and the distance of adjacent two antennas is identical in fact; A plurality of connectors, it is arranged at this substrate, in order to be electrically connected with this wireless local area network module; And many barss transmission line, it is arranged at this substrate inside, use so that described antenna is electrically connected with described connector, and the length of described signal transmssion line is identical in fact.
Description of drawings
Fig. 1 is the electrical block diagram of 802.11a, 802.11b, the employed WLAN module of 802.11g standard.
Fig. 2 is the electrical block diagram of mimo system.
Fig. 3 is the hardware structure block schematic diagram of the antenna array module of preferred embodiment of the present invention.
Fig. 4 is the hardware structure block schematic diagram of the mobile computer of use antenna array module shown in Figure 3.
Among the figure:
10:WLAN module 11: antenna change-over switch
12: radiofrequency receiving chip 13: fundamental frequency and medium access control chip
14: radio frequency connector 15: antenna
30: antenna array module 31: substrate
321,322,323: antenna 331,332,333: radio frequency connector
341,342,343: signal transmssion line
40: mobile computer 41: antenna
42: panel of LCD 43: radio frequency coaxial-cable
44: wireless local area network module 45: diverter switch
Embodiment
Some exemplary embodiments that embody feature of the present invention and advantage will be described in detail in the explanation of back segment.Be understood that the present invention can have various variations on different embodiment, it does not all depart from the scope of the present invention, and explanation wherein and the icon usefulness that ought explain in itself, but not in order to restriction the present invention.
See also Fig. 3, it is the hardware structure block schematic diagram of the antenna array module of preferred embodiment of the present invention.As shown in Figure 3, antenna array module 30 is applicable to multi-input multi output (MIMO) technology, and antenna array module 30 is made of substrate 31, antenna, connector and signal transmssion line.
In the present embodiment, antenna array module 30 comprises three antennas 321,322 and 323, when the wireless local area network module (not shown) in being arranged at mobile computer operated on multi-input multi output (MIMO) pattern, antenna 321,322 and 323 was in order to the radio-frequency (RF) data signal (RF data signal) that transmitted in the while admission of air or the radio-frequency (RF) data signal that simultaneously mobile computer will be transmitted is sent in the air.
And, the distance D of adjacent two antennas is identical in the antenna 321,322 and 323, it is identical with the distance between antenna 322 and the antenna 323 with distance between the antenna 322 to be antenna 321, as for, distance D between adjacent two antennas is defined as: D=n * λ, λ is the wavelength of this radio-frequency (RF) data signal, for example, and according to λ=C (light velocity 3 * 10
8The meter)/f (frequency) as can be known, the receive frequency when antenna 321,322 and 323 is 5GHz, then the wavelength X of radio-frequency (RF) data signal=3 * 10
8/ 5 * 10
9=6 centimetres; Receive frequency when antenna 321,322 and 323 is 2.5GHz, then the wavelength X of radio-frequency (RF) data signal=3 * 10
8/ 2.5 * 10
9=12 centimetres.And n can be 1,1.5,2 or other numerical value, for example, receive frequency in antenna 321,322 and 323 is that 5GHz and n are set at 1.5 o'clock, the distance D of adjacent two antennas is required to be 9 centimetres in the antenna 321,322 and 323, receive frequency in antenna 321,322 and 323 is that 2.5GHz and n are set at 1.5 o'clock, and the distance D of adjacent two antennas is required to be 9 centimetres in the antenna 321,322 and 323.
As for, antenna 321,322 and 323 corresponding respectively connectors 331,332 and 333 that connect are a radio frequency connector (RF connector), it electrically connects with the wireless local area network module that is arranged in the mobile computer.
Signal transmssion line 341,342 and 343 is a radio frequency signal transmission line, with a stripping line (stripline), a little stripping line (micro strip line) or a co-plane waveguide line (co-plannerwave-guide) is good, and the length of each signal transmssion line 341,342 and 343 is identical.
Signal transmssion line 341,342 and 343 main in order to respectively with antenna 321,322 and 323 radio-frequency (RF) data signal that received, be sent to the wireless local area network module (not shown) that is connected with antenna array module 30 via its pairing radio frequency connector 331,332 and 333.In the present embodiment, signal transmssion line 341 connects antennas 321 and is connected antenna 322 with radio frequency connector 331, signal transmssion line 342 signal transmssion line 343 is connected antenna 323 and radio frequency connector 333 with radio frequency connector 332.
In sum, distance at the two adjacent antennas that are arranged at antenna array module 30 inside is identical, and in order to connect antenna 321,322,323 with radio frequency connector 331,332,333 signal transmssion line 341,342, under the also identical condition of 343 length, by antenna 321,322 and 323 radio-frequency (RF) data signal that receive respectively are via signal transmssion line 341,342 and 343 are sent to radio frequency connector 331,332 and 333 signal conditioning is with identical, thus, follow-up wireless local area network module be can simplify and the step and the speed of demodulation radio-frequency (RF) data signal carried out, therefore, use antenna array module shown in Figure 3 30 no matter how the LCD screen size of mobile computer changes, all can guarantee antenna 321, the condition of 322 and 323 radio-frequency (RF) data signal that receive or transmit is identical, makes the computing of WLAN inside modules set and needn't and then change.
See also Fig. 4, it is the hardware structure block schematic diagram of the mobile computer of use antenna array module shown in Figure 3.As shown in the figure, antenna array module 30 and single antenna 41 are arranged at the top of the panel of LCD 42 of mobile computer 40, but not as limit, and must have a segment distance between antenna array module 30 and the single antenna 41.
The radio frequency connector 331,332 and 333 of antenna array module 30 electrically connects by the diverter switch 45 of a radio frequency coaxial-cable (RF coaxial cable) 43 with wireless local area network module 44 respectively, and single antenna 41 electrically connects with the diverter switch 45 of radio frequency coaxial-cable 43 with wireless local area network module 44 equally.The on/off operation that diverter switch 45 is mainly come control antenna 321,322,323 and single antenna 41 in order to the operating state according to wireless local area network module (hereinafter to be referred as the WLAN module) 44.
Because antenna array module 30 and single antenna 41 are set in the mobile computer 40 simultaneously, so WLAN module 44 can operate on one of multi-input multi output (MIMO) pattern or 802.11a, 802.11b, three kinds of patterns of 802.11g.When WLAN module 44 operates on multi-input multi output (MIMO) pattern, diverter switch 45 will be closed single antenna 41, and the antenna 321,322,323 of conducting antenna array module 30, so that antenna 321,322,323 receives simultaneously or transmits radio-frequency (RF) data signal (as shown in Figure 2).Otherwise, when WLAN module 44 operates on one of 802.11a, 802.11b, three kinds of patterns of 802.11g, diverter switch 45 will be controlled single antenna 41, and one of them antenna of antenna array module 30, for example: antenna 321, just can receive and transmit the work of radio-frequency (RF) data signal, one of them receives or transmits radio-frequency (RF) data signal (as shown in Figure 1) promptly only to utilize single antenna 41 or antenna 321.
In addition, because the distance of two adjacent antennas of antenna array module 30 inside is identical, and signal transmssion line 341,342,343 length is also identical, therefore, antenna 321,322 and 323 radio-frequency (RF) data signal that received are via signal transmssion line 341,342 and 343 are sent to radio frequency connector 331,332 and 333 signal conditioning is with identical, thus, because it is identical that WLAN module 44 receives the signal conditioning that each antenna transmits, can simplify the step and the speed of radio-frequency (RF) data signal being carried out demodulation, therefore, use antenna array module shown in Figure 3 30 no matter how the LCD screen size of mobile computer changes, all can guarantee antenna 321, the condition of 322 and 323 radio-frequency (RF) data signal that receive or transmit is identical, makes the computing of WLAN module 44 inside set and needn't change along with the LCD screen size of mobile computer and change.
In sum, mobile computer with antenna array module of the present invention, because the distance of two adjacent antennas of antenna array module inside is identical, and it is also identical with the length of the signal transmssion line of radio frequency connector to connect antenna, therefore each antenna of antenna array module is sent to the signal conditioning of radio frequency connector with identical by the radio-frequency (RF) data signal that is received in the air via signal transmssion line, can simplify step and speed that follow-up WLAN module is carried out demodulation to radio-frequency (RF) data signal, and the computing of WLAN inside modules is set and needn't be changed along with the LCD screen size of mobile computer and change.In addition, antenna array module and single antenna are set in mobile computer simultaneously, can make wireless local area network module operate on one of multi-input multi output mode or 802.11a, 802.11b, three kinds of patterns of 802.11g, and diverter switch can be controlled the running of this antenna and this antenna array module according to the operating mode of wireless local area network module.
The present invention can make various remodeling by those of ordinary skill in the art, yet does not all break away from claim of the present invention.
Claims (10)
1. mobile computer, it is applicable to the wireless telecommunications of one of a multi-input multi output mode and 802.11a, 802.11b, three kinds of patterns of 802.11g, this mobile computer comprises:
One panel of LCD;
One first antenna;
One antenna array module; And
One wireless local area network module, it comprises one and switches switch, and this diverter switch operates on the running that one of this multi-input multi output mode or this 802.11a, 802.11b, three kinds of patterns of 802.11g are controlled this first antenna and this antenna array module according to this wireless local area network module;
Wherein, this antenna array module comprises:
One substrate, it is applicable to this panel of LCD of different size;
A plurality of second antennas, it is arranged at this substrate, and the distance of adjacent two second antennas is identical;
A plurality of connectors, it is arranged at this substrate, in order to be electrically connected with this wireless local area network module; And
Many barss transmission line, it is arranged at this substrate inside, use so that described second antenna is electrically connected with described connector, and the length of described signal transmssion line is identical.
2. mobile computer as claimed in claim 1, wherein this substrate is a printed circuit board (PCB) or a ceramic substrate.
3. mobile computer as claimed in claim 1, wherein described second antenna of this antenna array module is in order to reception or transmits a radio-frequency (RF) data signal, and the distance D of adjacent two second antennas is directly proportional with the wavelength of this radio-frequency (RF) data signal.
4. mobile computer as claimed in claim 1, wherein each described connector is a radio frequency connector, and it is electrically connected with this wireless local area network module by a radio frequency coaxial-cable, and described signal transmssion line is a stripping line, a little stripping line or a co-plane waveguide line.
5. mobile computer as claimed in claim 1, wherein this wireless local area network module operates on this multi-input multi output mode, this diverter switch is controlled this first antenna and is closed, and described second antenna of controlling this antenna array module receives simultaneously or transmits radio-frequency (RF) data signal, when this wireless local area network module operated on one of this 802.11a, 802.11b, three kinds of patterns of 802.11g, one of them second antenna that this diverter switch is controlled this first antenna or this antenna array module received or transmits radio-frequency (RF) data signal.
6. antenna array module, it is applicable to a mobile computer, and is connected with a wireless local area network module, and this notebook computer has a panel of LCD, and this antenna array module comprises:
One substrate, it is applicable to this panel of LCD of different size;
A plurality of antennas, it is arranged at this substrate, and the distance of adjacent two antennas is identical;
A plurality of connectors, it is arranged at this substrate, in order to be electrically connected with this wireless local area network module; And
Many barss transmission line, it is arranged at this substrate inside, use so that described antenna is electrically connected with described connector, and the length of described signal transmssion line is identical.
7. antenna array module as claimed in claim 6, wherein this substrate is a printed circuit board (PCB) or a ceramic substrate.
8. antenna array module as claimed in claim 6, wherein this wireless local area network module is applicable to a multi-input multi output mode, and described antenna is in order to receive or to transmit a radio-frequency (RF) data signal simultaneously.
9. antenna array module as claimed in claim 8, the distance D of wherein adjacent two antennas is directly proportional with the wavelength of this radio-frequency (RF) data signal.
10. antenna array module as claimed in claim 6, wherein each described connector is a radio frequency connector, and it is electrically connected with this wireless local area network module by a radio frequency coaxial-cable, and described signal transmssion line is a stripping line, a little stripping line or a co-plane waveguide line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100771072A CN100428642C (en) | 2004-09-10 | 2004-09-10 | Notebook computer with antenna array module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100771072A CN100428642C (en) | 2004-09-10 | 2004-09-10 | Notebook computer with antenna array module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1747338A CN1747338A (en) | 2006-03-15 |
| CN100428642C true CN100428642C (en) | 2008-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100771072A Expired - Fee Related CN100428642C (en) | 2004-09-10 | 2004-09-10 | Notebook computer with antenna array module |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101453048B (en) * | 2007-11-30 | 2013-03-27 | 李伟业 | Antenna assembly construction for radio products |
| CN102097674B (en) * | 2009-12-09 | 2013-06-19 | 宏碁股份有限公司 | Moving device with multiple sets of antennas |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1147706A (en) * | 1995-05-30 | 1997-04-16 | 索尼公司 | Antenna switching circuit and wireless communication system |
| EP1079296A2 (en) * | 1999-08-06 | 2001-02-28 | Lucent Technologies Inc. | Electronically steerable embedded laptop computer antenna array |
| US20040033817A1 (en) * | 2002-03-01 | 2004-02-19 | Tantivy Communications, Inc. | Intelligent interface for controlling an adaptive antenna array |
| CN1514514A (en) * | 2002-12-31 | 2004-07-21 | 深圳市中兴通讯股份有限公司 | Mobile communication base station plane multiware beam antenna |
-
2004
- 2004-09-10 CN CNB2004100771072A patent/CN100428642C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1147706A (en) * | 1995-05-30 | 1997-04-16 | 索尼公司 | Antenna switching circuit and wireless communication system |
| EP1079296A2 (en) * | 1999-08-06 | 2001-02-28 | Lucent Technologies Inc. | Electronically steerable embedded laptop computer antenna array |
| US20040033817A1 (en) * | 2002-03-01 | 2004-02-19 | Tantivy Communications, Inc. | Intelligent interface for controlling an adaptive antenna array |
| CN1514514A (en) * | 2002-12-31 | 2004-07-21 | 深圳市中兴通讯股份有限公司 | Mobile communication base station plane multiware beam antenna |
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| CN1747338A (en) | 2006-03-15 |
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