CN1307821C - Double-mode radio data card uith PHS and WLAN function - Google Patents
Double-mode radio data card uith PHS and WLAN function Download PDFInfo
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- CN1307821C CN1307821C CNB2004100542980A CN200410054298A CN1307821C CN 1307821 C CN1307821 C CN 1307821C CN B2004100542980 A CNB2004100542980 A CN B2004100542980A CN 200410054298 A CN200410054298 A CN 200410054298A CN 1307821 C CN1307821 C CN 1307821C
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Abstract
The present invention relates to a double mode wireless data card with a PHS (Personal Handy-phone System) function and a WLAN (Wireless Local Area Network) function, which comprises a WLAN processing part and a PHS processing part, wherein a WLAN baseband processing chip is connected with a card bus; the WLAN baseband processing chip and a PHS baseband processing chip carry out data / signal connection through an interface conversion circuit so that the PHS processing part can share a card bus interface of the WLAN baseband processing chip through the interface conversion circuit; accordingly, the integration of two systems on one data card is finished. The present invention realizes the compatibility of the PHS function and the WLAN function of the data card.
Description
Technical field
The present invention relates to the communications field, relate in particular to the dual-mode wireless data card of a kind of PHS of having and WLAN function.
Background technology
Mobile computing devices such as present notebook computer, its function that wireless data transfer services is provided generally realizes by the device that use is commonly referred to as the PC card, and PCMCIA (PersonalComputer Memory Card International Association) has defined that the PC card is electric accordingly, mechanical, software interface.The PC card has three kinds of specifications at present, is respectively type one, type two, type three, and wherein the PC card of type two is usually used in for PC provides equipment wired or the wireless Internet access data, services, as network interface card, data card.
The spendable wireless data communication means of existing notebook computer have WLAN (wireless local area network) (WLAN, Wireless Local Area Network), wireless wide area network etc., and the IEEE802.11 agreement promptly belongs to the mechanics of communication in WLAN field.The Data-carrying service based on PIAFS (Personal Handy phone System InternetAccess Forum Standard) that PHS (Personal HandySystem) provides, it can belong to the mechanics of communication in radio wide area network field.These two kinds of technology have different application scenarios at present, WLAN (wireless local area network) is because the general occasion use that only is deployed with access point on family, office building, airport etc. of the restriction of network coverage, under this occasion, the user can obtain the data access service than higher speed.For PHS, because the scope of disposing is wider at present, the whole city covers often, and this makes the user that the data communication service that PHS inserts and utilizes it to provide can be provided anywhere.We can say that these two kinds of technology are complementary, can allow the user according to different occasions, enjoy wireless data service whenever and wherever possible.In the market, independently IEEE802.11 wireless LAN card and PHS wireless Internet access data card have occurred and have popularized gradually separately.For user's speech, for using this two kinds of services, must carry two independently cards, this seems quite inconvenient, on economy, purchase cost is also than higher.Therefore, if the wireless data card of a kind of PHS of having concurrently and WLAN function can be provided, then has good using value.
In the comparatively approaching patent documentation of several pieces of technology contents that retrieve, Chinese patent be for No. 03256440 with two kinds stick on the capable mechanical structure change so that its smaller volume can be contained in the space that can only place a kind of card originally, it remains two cards in fact, therefore still limited in hand-off process and some other functions, be not bimodulus truly.No. the 02117286th, Chinese patent and the 02136812nd of Chinese patent are the compatibling problems from the solution different systems means of communication of network side proposition, though so fundamentally solved the compatibling problem of network, and cost can be lower.But at present since different Networks by different network operator operation, it is little therefore to carry out compatible real feasibility from network side.
Summary of the invention
The object of the present invention is to provide the dual-mode wireless data card of a kind of PHS of having and WLAN function, to overcome the deficiency of existing network compatible technique.Can utilize a data cards to finish compatibility from user side to PHS and WLAN function.
For achieving the above object, the invention provides the dual-mode wireless data card of a kind of PHS of having and WLAN function, comprise: WLAN baseband processing chip, PHS baseband processing chip, PHS power management chip, interface conversion circuit, radio frequency processing chip and antenna, wherein the WLAN baseband processing chip is provided with the external apparatus interface that links to each other with external equipment, and the WLAN baseband processing chip is connected with interface conversion circuit; Interface conversion circuit is connected with the PHS baseband processing chip; The PHS baseband processing chip is connected with the PHS power management chip; The WLAN baseband processing chip links to each other with radio frequency processing chip and antenna with the PHS baseband processing chip.
Wherein, described interface conversion circuit is the circuit that a programmable logic device and memory constitute, programmable logic device carries out data/signal with memory with the serial memory interface of WLAN baseband processing chip and is connected, and carries out chip selection signal with the general applications interface of WLAN baseband processing chip and is connected; Programmable logic device and the PHS baseband processing chip universal asynchronous serial interface by separately carries out data/signal and is connected.Interface conversion circuit also can be made of separately a programmable logic device.The programmable logic device here is CPLD (Complex Programmable Logic Device, CPLD), memory is EEPROM (Electrically Erasable ProgrammableRead-Only Memory, an EEPROM (Electrically Erasable Programmable Read Only Memo)).Described radio frequency processing chip can be the chip that can handle respectively PHS system and wlan system data/signal, also can be the combination that comprises two chip blocks of a PHS radio frequency processing chip and a WLAN radio frequency processing chip.Described antenna can be that PHS system and wlan system are shared printed antenna or comprised a PHS antenna system and WLAN antenna system receives respectively and launches PHS system and wlan system data/signal.
Described data card adopts the method for two-sided cloth spare, chip is placed the two sides of card respectively.The data card front is provided with baseband processing chip and the radio frequency processing chip of WLAN; The data card back side is provided with PHS baseband processing chip, PHS power management chip and interface conversion circuit.
Further, described data card is type two PC cards, inserts the PCMCIA slot of PC.This data card is provided the mode of virtual bus that equipment is carried out identification and management by the PC drive software, and by PHS device drives that makes up on it and wlan device driving equipment is operated.Described external apparatus interface also can be a Card Bus interface, links to each other with Card Bus bus.Data card inserts for the WLAN data, and data are transmitted between user and network by Card Bus interface, WLAN baseband processing chip, radio frequency processing chip and antenna system; Data card inserts for the PHS data, and data are transmitted between user and network by Card Bus interface, interface conversion circuit, PHS baseband processing chip, radio frequency processing chip and antenna system.
The invention provides a kind of data card, the service of WLAN and PHS data communication is provided simultaneously.The present invention's integrated by to PHS and wlan subsystem can provide the PHS data communication pattern of WLAN communication mode and the 32kbps/64kbps of 802.11b/g, simultaneously two kinds of data, services of support on an equipment.
The present invention partly adopts programming device flexibly to mate the data-interface of two equipment at the interface circuit of PHS and WLAN.Reduce the cost of data card, and satisfied the needs of multiple different configurations.
The present invention adopts the method for two-sided cloth spare, and under the restriction of type two data card sizes, wlan subsystem and PHS subsystem height integrally are arranged on the pcb board; PHS subsystem of the present invention and wlan subsystem are shared the same antenna; PHS and WLAN share the PC card of same Card Bus, are thus connected in the PCMCIA slot of personal computer.Therefore volume of the present invention less, be easy to carry.
Entire equipment of the present invention is a multifunctional equipment card physically, the place that is different from common multi-functional PC card is that it is not to come for Windows equipment to be carried out identification and management by the configuration space that disposes Card Bus, but by a virtual bus equipment is carried out identification and management.Thereby its put, maintenance and operation is more simple.
The present invention is further illustrated below in conjunction with accompanying drawing and embodiment.
Description of drawings
Fig. 1 is a hardware block diagram of the present invention.
Fig. 2 is a data path schematic diagram of the present invention.
Fig. 3 is the positive chip layout schematic diagram of circuit board of the present invention.
Fig. 4 is a back of circuit board chip layout schematic diagram of the present invention.
Embodiment
Relevant detailed description of the present invention and technology contents, now as follows with regard to accompanying drawings: the present invention is a wireless data card with PHS and WLAN function, the PC card that belongs to type two uses by the PCMCIA slot that inserts PC, satisfies Card Bus7.0 standard with the interface specification of PC.Hardware device on the card can be divided into wlan subsystem and PHS subsystem, and wherein wlan subsystem is supported the 802.11b/g standard, and the PHS subsystem supports 32Kbps/64kbps PIAFS standard to connect.Therefore it can regard a complex of wlan network interface card and PHS data terminal as, and its one side can provide WLAN wireless access by wlan subsystem, on the other hand the data link dial-up access the Internet that can provide by the PHS subsystem again.
At first consult Fig. 1, Fig. 1 is a hardware block diagram of the present invention.Wlan subsystem mainly is made of WLAN baseband processing chip and WLAN radio frequency processing chip.The WLAN baseband processing chip mainly is responsible for 802.11 protocol-dependent content and Base-Band Processing, and WLAN radio frequency processing chip is then handled the content of radio frequency part.
The PHS subsystem mainly is made of PHS baseband processing chip and PHS radio frequency processing chip, PHS power management chip (PIM), interface conversion circuit.The PHS baseband processing chip is the core of PHS subsystem, is responsible for realizing RCR STD-28 protocol stack and the relevant ancillary equipment of control.PHS radio frequency processing chip is handled the content of radio frequency part.PHS power management chip (PIM) is handled the power supply of PHS subsystem and the compatibility of data card power supply, in Fig. 1, interface conversion circuit is made up of piece of CPLD and a slice EEPROM, interface conversion circuit provides the communication logic of wlan subsystem and PHS subsystem, and the PHS subsystem is shared the Card Bus interface of wlan subsystem by the CPLD control logic.
The antenna of data card adopts printed antenna, is shared by the PHS/WLAN subsystem, has reduced the volume of data card, and has reduced cost.
In Fig. 1, the WLAN baseband processing chip links to each other with the CardBus bus by its Card Bus interface, CPLD carries out data/signal with EEPROM with the serial eeprom interface of WLAN baseband processing chip and is connected, and carries out chip selection signal with the general applications interface of WLAN baseband processing chip and is connected; CPLD and the PHS baseband processing chip universal asynchronous serial interface by separately carries out data/signal and is connected; PHS baseband processing chip and the PHS power management chip universal asynchronous serial interface by separately carries out data/signal and is connected; The WLAN baseband processing chip links to each other with the radio frequency processing chip respectively with the PHS baseband processing chip and carries out wireless data/signal transmission and receive via shared printed antenna again.
CPLD among Fig. 1 adopts universal asynchronous serial interface to link to each other with the universal asynchronous serial interface of PHS baseband processing chip on the one hand, link to each other with the WLAN baseband processing chip by serial eeprom interface on the other hand, with the shared same EEPROM read-write interface of EEPROM of WLAN baseband processing chip.CPLD sends by the Data Receiving to the first in first out buffer of its inside and carries out the interface conversion that the WLAN/PHS subsystem has been finished in logic control.Form the data path of PHS subsystem by this CPLD, make the PHS/WLAN subsystem share a Card Bus interface to PC.Because interrupt service routine needs the certain reaction time, and CPLD has only 16 buffer, therefore may overflow because of CPLD buffer data and cause the loss of data of PHS subsystem, so can add the buffer that EEPROM is used as CPLD, and the general applications interface that utilizes the WLAN baseband processing chip is as its chip selection signal.
In certain embodiments, can adopt the bigger programmable logic device of other inner buffers and CPLD not necessarily, such design just can not need to add EEPROM in addition or other external memories constitute interface conversion circuit, thereby has simplified circuit design, has reduced the volume of data card.
See also Fig. 2, Fig. 2 is a data path schematic diagram of the present invention.According to data card of the present invention at work, data card inserts for the WLAN data, and data are transmitted between user and network by Card Bus interface, WLAN baseband processing chip, radio frequency processing chip and antenna system; Data card inserts for the PHS data, and data are transmitted between user and network by Card Bus interface, interface conversion circuit, PHS baseband processing chip, radio frequency processing chip and antenna system.WLAN of the present invention partly adopts Card Bus interface to be connected with PC, and PHS is controlled by WLAN, partly adopts programming device flexibly to mate the data-interface of two subsystems at the interface circuit of PHS and WLAN.Reduce the cost of data card, and satisfied the needs of multiple different configurations.
Because type two data cards have certain size restrictions, and will certainly take bigger space to the two cover system integrations on a card, the volume that therefore how to reduce data card is a problem to be solved by this invention.The present invention has adopted PHS system and wlan system to share printed antenna, and such two cover subsystems just can sharedly be printed on the volume that a antenna on the circuit board has reduced data card greatly.Certainly under the situation that the data card size restrictions allows, two cover subsystems also can adopt and divide other dedicated antenna separately.In certain embodiments, can also reduce the data card volume thereby simplify circuit by PHS radio frequency processing chip and WLAN radio frequency processing chip can be replaced the chip that PHS system and wlan system data/signal are handled respectively with one.
The another one solution that the present invention solves the data card size restrictions is to adopt the method for two-sided cloth spare, chip is placed the two sides of card respectively.Wlan subsystem and PHS subsystem height integrally are arranged on the pcb board, have reduced the size of circuit board.A preferred embodiment as shown in Figure 3 and Figure 4.In the embodiment of Fig. 3 and Fig. 4, the data card front is provided with baseband processing chip, PHS and the WLAN radio frequency processing chip of WLAN; The data card back side is provided with PHS baseband processing chip, PHS power management chip and interface conversion circuit.In addition, also be provided with the Card Bus PC card that a PHS subsystem and wlan subsystem are shared in the baseband processing chip of the WLAN in data card front, be thus connected in the PCMCIA slot of personal computer.Also be provided with the printed antenna that a PHS subsystem and wlan subsystem are shared on the printed circuit board (PCB) in data card front.
Obviously,, multiple different circuit board designing method can be arranged, in concrete enforcement, should do corresponding selection, to obtain the effect of simplifying circuit, reducing the data card volume according to employing element model according to the invention thought of two-sided cloth spare of the present invention.
Entire equipment of the present invention is a multifunctional equipment card physically, the place that is different from common multi-functional PC card is that it is not to come for WINDOWS equipment to be carried out identification and management by the configuration space that disposes Card Bus, but by a virtual bus equipment is carried out identification and management, thereby its setting, maintenance and operation are more simple.This data card is provided the mode of virtual bus that equipment is carried out identification and management by the PC drive software, and by PHS device drives that makes up on it and wlan device driving equipment is operated.According to the physical location of virtual bus software, can divide into two classes, a class is installed on the PC with the form of WINDOWS operating system drive software, and another kind of is that form with firmware resides on the data card.Data card is supported as a multi-functional PCMCIA peripheral equipment in WINDOWS, promptly from the visual angle of operating system, can see two equipment, and one is the wlan network interface card, and another one is the PHS modulator-demodulator.
More than introduced under WINDOWS operating system, with the concrete hardware and software method to set up of data card of the present invention as the PC card of a type two, obviously, invention thought according to the present invention adopts other operating system software or supports that the equipment beyond the PC also is feasible, and this transplanting does not need to do to relate to any change of invention thought of the present invention.
Above introduce, it only is preferred embodiment of the present invention, can not limit scope of the invention process with this, be the variation of the equalization done according to the present invention of the those skilled in the art in the present technique field, for example each module among the above embodiment carried out that function is replaced or each device is made up or discrete.And the improvement known of those skilled in that art, all should still belong to the scope that patent of the present invention contains.
Claims (18)
1, a kind of dual-mode wireless data card with PHS and WLAN function, it is characterized in that comprising: WLAN baseband processing chip, PHS baseband processing chip, PHS power management chip, interface conversion circuit, radio frequency processing chip and antenna, wherein the WLAN baseband processing chip is provided with the external apparatus interface that links to each other with external equipment, and the WLAN baseband processing chip is connected with interface conversion circuit; Interface conversion circuit is connected with the PHS baseband processing chip; The PHS baseband processing chip is connected with the PHS power management chip; The WLAN baseband processing chip links to each other with radio frequency processing chip and antenna with the PHS baseband processing chip.
2, a kind of dual-mode wireless data card with PHS and WLAN function as claimed in claim 1 is characterized in that described radio frequency processing chip is the chip that can handle respectively PHS system and wlan system data/signal.
3, a kind of dual-mode wireless data card with PHS and WLAN function as claimed in claim 1 is characterized in that described radio frequency processing chip comprises a PHS radio frequency processing chip and a WLAN radio frequency processing chip.
4, a kind of dual-mode wireless data card with PHS and WLAN function as claimed in claim 1 is characterized in that described antenna is that PHS system and wlan system are shared printed antenna.
5, a kind of dual-mode wireless data card with PHS and WLAN function as claimed in claim 1 is characterized in that described antenna comprises that a PHS antenna system and WLAN antenna system receive respectively and launch PHS system and wlan system data/signal.
6, a kind of dual-mode wireless data card as claimed in claim 1 with PHS and WLAN function, it is characterized in that described interface conversion circuit is a programmable logic device, this programmable logic device carries out data/signal with the serial memory interface of WLAN baseband processing chip and is connected, and this programmable logic device also carries out data/signal with the serial line interface of PHS baseband processing chip by separately and is connected.
7, as each described a kind of dual-mode wireless data card of claim 1 to 5 with PHS and WLAN function, it is characterized in that described interface conversion circuit is the circuit that a programmable logic device and memory constitute, wherein, programmable logic device carries out data/signal with memory with the serial memory interface of WLAN baseband processing chip and is connected, and carries out chip selection signal with the general applications interface of WLAN baseband processing chip and is connected; Programmable logic device and the PHS baseband processing chip universal asynchronous serial interface by separately carries out data/signal and is connected.
8, a kind of dual-mode wireless data card with PHS and WLAN function as claimed in claim 7 is characterized in that described programmable logic device is a complicated programmable logic device.
9, a kind of dual-mode wireless data card with PHS and WLAN function as claimed in claim 7 is characterized in that described memory is an EEPROM (Electrically Erasable Programmable Read Only Memo).
10, a kind of dual-mode wireless data card with PHS and WLAN function as claimed in claim 1 is characterized in that described data card adopts the method for two-sided cloth spare, places chip respectively the two sides of card.
11, a kind of dual-mode wireless data card with PHS and WLAN function as claimed in claim 10 is characterized in that described data card front is provided with baseband processing chip and the radio frequency processing chip of WLAN.
12, a kind of dual-mode wireless data card with PHS and WLAN function as claimed in claim 10 is characterized in that the described data card back side is provided with PHS baseband processing chip, PHS power management chip and interface conversion circuit.
13, a kind of dual-mode wireless data card with PHS and WLAN function as claimed in claim 1 is characterized in that described data card is type two PC cards.
14, a kind of dual-mode wireless data card with PHS and WLAN function as claimed in claim 13 is characterized in that described data card inserts the PCMCIA slot of PC.
15, a kind of dual-mode wireless data card as claimed in claim 13 with PHS and WLAN function, it is characterized in that described data card is provided the mode of virtual bus that equipment is carried out identification and management by the PC drive software, and equipment is operated by PHS device drives that makes up on the wireless data card and wlan device driving.
16, a kind of dual-mode wireless data card with PHS and WLAN function as claimed in claim 1 is characterized in that described external apparatus interface is a Card Bus interface, links to each other with Card Bus bus.
17, a kind of dual-mode wireless data card as claimed in claim 1 with PHS and WLAN function, it is characterized in that described data card inserts for the WLAN data, data are transmitted between user and network by external apparatus interface, WLAN baseband processing chip, radio frequency processing chip and antenna system.
18, a kind of dual-mode wireless data card as claimed in claim 1 with PHS and WLAN function, it is characterized in that described data card inserts for the PHS data, data are transmitted between user and network by external apparatus interface, interface conversion circuit, PHS baseband processing chip, radio frequency processing chip and antenna system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100542980A CN1307821C (en) | 2004-09-06 | 2004-09-06 | Double-mode radio data card uith PHS and WLAN function |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100542980A CN1307821C (en) | 2004-09-06 | 2004-09-06 | Double-mode radio data card uith PHS and WLAN function |
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| CN1610302A CN1610302A (en) | 2005-04-27 |
| CN1307821C true CN1307821C (en) | 2007-03-28 |
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| CNB2004100542980A Expired - Fee Related CN1307821C (en) | 2004-09-06 | 2004-09-06 | Double-mode radio data card uith PHS and WLAN function |
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| CN101557624B (en) * | 2008-04-11 | 2011-03-30 | 鸿富锦精密工业（深圳）有限公司 | Dual-mode cell phone and call method thereof |
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| CN100385982C (en) * | 2005-07-22 | 2008-04-30 | 杭州斯达康通讯有限公司 | Double mode communication terminal and its control method |
| US8374225B2 (en) * | 2006-12-19 | 2013-02-12 | Broadcom Corporation | Voice/data/RF integrated circuit |
| CN101764695B (en) * | 2009-12-07 | 2012-12-19 | 中兴通讯股份有限公司 | Data card and data transmission method thereof |
| CN101833684A (en) * | 2010-04-13 | 2010-09-15 | 中兴通讯股份有限公司 | Multimode data card and calibration method thereof |
| CN101808428B (en) * | 2010-04-21 | 2013-04-24 | 华为终端有限公司 | Communication method and device of double-card dual-standby cell phone |
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| JP2003124681A (en) * | 2001-10-18 | 2003-04-25 | Nano Engineering:Kk | Composite of electromagnetic wave absorber and electromagnetic wave absorber comprising it |
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