CN1456954A - Two purpose additive network card for wireless and radio - Google Patents
Two purpose additive network card for wireless and radio Download PDFInfo
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- CN1456954A CN1456954A CN 02119333 CN02119333A CN1456954A CN 1456954 A CN1456954 A CN 1456954A CN 02119333 CN02119333 CN 02119333 CN 02119333 A CN02119333 A CN 02119333A CN 1456954 A CN1456954 A CN 1456954A
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Abstract
The present invention consists of computer having the first connection end and additional card having the second connection end. The second connection end can be connected with the first one in plug in and out mode in order to receive information from the computer. The additional card provided by the present invention comprises an access control circuit connected to the second connection end to convert information sent from it to the first and the second network format information, a network connecting module including an antenna circuit used to transmit signal corresponding to the first network format information to a radio network in radio mode and a ligature circuit used to transmit signal corresponding to the second network format information to a cable network through a network transmission line.
Description
Technical field
The present invention relates to a kind of additional card that is used for computer, relate in particular to a kind of additional card that possesses two kinds of networking functions of wire and wireless.
Background technology
In modern information society, by borderless network, everyone can both rapid efficient access network resource, makes information, experience and knowledge can exchange accumulation fast, promotes the development of whole society.Add the flourish of electronic technology in recent years, volume portable computer (similarly being notebook computer) light and handy, easy to carry is universal day by day, technology and device that information dealer also makes great efforts to develop and can allow portable computer connect to network, allow user's line online whenever and wherever possible of portable computer, allow Internet resources can more press close to each aspect of user's life.
In order to want elasticity to increase the additional function of portable computer, portable computer all can be provided with slot; As long as the additional card that will have specific function is inserted the slot of portable computer, the function that just can additionally expand portable computer.Similarly be the slot that general notebook computer all has PCMCIA (personal computer memory card internationalassociation) specification, just can cooperate the additional card of corresponding specification, expand the function of notebook computer.Certainly, through particular design, additional card also can be used for expanding the networking function of portable computer.In known technology, the additional card that is used for networking (or claiming network card) can be divided into two kinds, and a kind of is the network card of wiring logging-on function, can make portable computer see through Network transmission line and connect to network in wired mode; A kind of is wireless network card, can make portable computer similarly being that the mode of electric wave or ultrared wireless (wireless) is connected to network.
Along with the universal progress of networking,, all convenient quite rapidly no matter be wiring logging-on function or wireless Internet access.Wherein, the speed height of wiring logging-on function data exchange, data security safeguards that easily the capital construction of cable network is also comparatively complete; The then maneuverability height of getting online without being tethered to a cable, even portable computer is on the move, or even in moving, also can keep unimpeded and be connected with network.Yet, in known technology, network card only has the function of single wired or wireless online, the user is if will allow portable computer completely possess wired and wireless networking capabilities, just to prepare two kinds of network cards simultaneously, also to take two expansion card slots of portable computer, limit the extended function of portable computer widely; May just do not have extra slot can supply utilization if the user also will use the additional card (similarly being the memory card that expands memory space) of other function this moment.
Summary of the invention
Therefore, fundamental purpose of the present invention is to provide a kind of additional card with complete wired and wireless two kinds of function of surfing the Net, to overcome the shortcoming of known technology.
Description of drawings
Fig. 1 is used in the synoptic diagram of a portable computer for additional card of the present invention.
Fig. 2 is the functional block diagram of additional card among Fig. 2.
Fig. 3 is the profile synoptic diagram of another embodiment of the present invention.
Fig. 4 is the functional block diagram of Fig. 3 embodiment.
Embodiment
Please refer to Fig. 1.Fig. 1 applies to the synoptic diagram of a computer (an especially portable computer) 12 for the additional card 10 of first embodiment of the invention.Portable computer 12 can be a notebook computer, and its outer housing 13 that covers is provided with a recessed slot 14; Slot 14 can be the slot of PCMCIA specification, is provided with the first link 16A in it.10 specifications that cooperate slot 14 of additional card of the present invention, an end is provided with the second link 16B of the corresponding first link 16A; The other end then is provided with a line end 20B (for example being the plug-in type line end of RJ45); And the Network transmission line 18 of cable network also is provided with the insertion end 20A of a correspondence.Insertion end 20A is inserted among the line end 20B, and additional card 10 just can see through Network transmission line 18 and be connected in cable network.
Please refer to Fig. 2.Functional block diagram when Fig. 2 is additional card 10 and portable computer 12 configuration runnings.Insert the slot 14 of portable computers 12 when additional card 10 after, the first link 16A and the second link 16B are electrically connected and exchange signal with regard to contacting.Be provided with an access-control scheme MAC1, the volatile storage M1, the non-volatility memorizer M2 that cooperate with it, a wireless signal module 24 and a network in the additional card 10 of the present invention and connect module 28.Be provided with a baseband circuit 26A, an intermediate-frequency circuit 25B and a radio circuit 26C in the wireless signal module 24; Then be provided with an antenna circuit ANT1 and a wired circuit PHY1 in the network connection module 28.Access-control scheme MAC1 is electrically connected in the second link 16B, can see through the first link 16A and portable computer 12 swap dates, and the topmost function of access-control scheme MAC1 is exactly the various runnings that control additional card 10 connects network.Volatile storage M1 can be a random-access memory (ram), the temporary memory space when access-control scheme MAC1 running is provided; Non-volatility memorizer M2 then can be flash memory (flash memory), be used for storing the information of access-control scheme when running necessity in nonvolatile mode, similarly be the physical address data of additional card, so that in network, identify additional card 10 as a network card indispensability.The data that baseband circuit 26A in the wireless signal module 24, intermediate-frequency circuit 26B and radio circuit 26C can transmit access-control scheme MAC1 is tuned as the signal of fundamental frequency, intermediate frequency and radio frequency respectively, and the antenna circuit ANT1 that is electrically connected in radio circuit 26C just can launch the signal of radio frequency wirelessly.Relatively, if antenna circuit ANT1 receives the wireless signal of radio frequency, radio circuit 26C in the wireless signal module 24, intermediate-frequency circuit 26B and baseband circuit 26A also can be respectively with the signal demodulation, and the data that becomes the bit element flow form at last returns to access-control scheme MAC1.In other words, via access-control scheme MAC1, wireless signal module 24 and antenna circuit ANT1, additional card 10 just can be supported the function that wireless network connects.
On the other hand, the wired circuit PHY1 that network connects in the module 28 also is electrically connected in access-control scheme MAC1, the data that wired circuit PHY1 can transmit access-control scheme encode (encode), and the signal after will encoding by line end 20B, insertion end 20A transfers to Network transmission line 18, so that connect to network in wired mode.Relatively, transmit via Network transmission line 18 if any the coding signal, wired circuit PHY1 also it can be decoded (decode) be back to access-control scheme MAC1 for corresponding data.In other words, via access circuit MAC1 and wired circuit PHY1, Network transmission line 18, additional card 10 of the present invention just can be supported the function that cable network connects in addition.In addition, wired circuit PHY1 also can detect the electrical specification of signal contact on the Network transmission line 18, to check the situation (when promptly sending signal on Network transmission line 18, just also having signal to pass into) whether the signal collision is arranged on the Network transmission line 18.It similarly is the normal IEEE802.3 standard that adopts of wired Local Area Network, just the situation that detects the signal collision with the electrical specification of carrier wave on the Network transmission line (is CSMA/CD, Carrier Sensitive Multiple Access/Collusion Detection, carrier sense multiple access and collision detection).The result that wired circuit PHY1 detects can be back to access-control scheme MAC1, the running that access-control scheme MAC1 then transmits according to testing result decision data (similarly being in collision the back to take place to transmit the signal that is collided again after a period of time).
The situation of the present invention's running can be described below.When transferring to network when the user will come the line online by additional card 10 of the present invention with portable computer 12 and with a data, this data can transfer to access-control scheme MAC1 via the first link 16A, the second link 16B.According to the agreement of certain Network Transmission, access-control scheme MAC1 can add header (Header) before this data, can include physical address, and take over party's physical address or the like the information of additional card 10 in this header; Access-control scheme MAC1 also can calculate a bug check sign indicating number according to the content of this data in addition, be attached to this data after; So, this document will be a network format data by package.Because the Network Transmission of cable network and wireless network agreement possibility is also inequality (similarly to be also to stipulate in addition in the wireless network transmissions agreement to want additional correlation to authenticate information, to guarantee the data security in the wireless network transmissions), access-control scheme MAC1 can optionally be encapsulated as data the first network format data 32A (so that transferring to wireless network) that meets the wireless transmission agreement; Or meet the second network format data 32B that wire transmission is reached an agreement on, so that transfer to cable network.
As previously mentioned, the data that is transferred to wireless network 30A can be encapsulated as the first network format data 32A (for example be according to radio area network IEEE802.11 transfer protocol encapsulate) by access-control scheme MAC1, and the first network format data 32A is sent to wireless signal module 24 with the form of bit element flow (bit steam), by the baseband circuit 26A in the wireless signal module 24, intermediate-frequency circuit 26B and radio circuit 26C are tuned as the radio frequency transmission signal 36 that is fit to wireless transmission, and antenna circuit ANT1 just can be converted to this radio frequency transmission signal 36 the first network signal 40A of an electric wave form and launch, so that data is transferred to wireless network 30A.Relatively, if antenna circuit ANT1 receives the electric wave form network signal that wireless network 30A transmits, antenna circuit ANT1 also can be converted into the reception signal 38 of electronic form, via wireless signal module 24 it is demodulated into network reception data 34A and is back to access-control scheme MAC1.The network that comes because this is received by wireless network 30A receives data should be also according to wireless network transmissions agreement package, access-control scheme MAC1 just can take out package in the data content that network receives among the data 34A, the second link 16B by additional card 10 is back to portable computer 12 through the first link 16A again, make portable computer 12 also can receive the data that wireless network 30A transmits, reach the purpose of wireless networking.
On the other hand, if data will transfer to cable network 30B, this document can be the second network format data 32B (for example being the transfer protocol according to cable network IEEE802.3) by package, and transfers to wired circuit PHY1 with the form of bit element flow.Wired circuit PHY1 can be encoded to it second network signal 40B, and through Network transmission line 18 the second network signal 40B is transferred to cable network 30B.Relatively, if there is network signal to reach wired circuit PHY1 via Network transmission line 18, wired circuit PHY1 just can be decoded as it network and receive signal 34B.Network receives among the signal 34B and can be taken out by access-control scheme MAC1 by the data of package, is back to portable computer 12 via the second link 16B, the first link 16A.So, resource that portable computer 12 just can access cable network 30B.Generally speaking, see through the control of access-control scheme MAC1, additional card 10 of the present invention can provide the function of wired and wireless networking, expands wired, the wireless networking function of portable computer 12.
Please refer to Fig. 3.Fig. 3 is the synoptic diagram of the additional card 50 of another embodiment of the present invention.Present embodiment and last embodiment are bigger is not both additional card 50 and is divided into and can plugs and the first parts 51A and the second parts 51B disconnected from each other or combination.The configuration of similar last embodiment, the first parts 51A has one second link 56B, is used for being connected with the first link 16A in portable computer 12 (only drawing part in Fig. 3) slot 14.The second parts 51B also has a line end 60B, is used for cooperating with the insertion end 60A of transmission line 58, allows Network transmission line 58 be connected in the second parts 51B in pluggable mode.Except the above configuration that is similar to last embodiment, the first parts 51A, the second parts 51B also are respectively equipped with in correspondence with each other transmission ends 53A, 53B; When transmission ends 53A, 53B interosculate, the first parts 51A and the second parts 51B just can interosculate.
Please continue with reference to figure 4.Functional block diagram when Fig. 4 is 12 runnings of additional card 50 cooperation portable computers.Baseband circuit 66A in access-control scheme MAC2 in the additional card 50, volatile storage M3, non-volatility memorizer M4, the wireless signal module 64, intermediate-frequency circuit 66B and radio circuit 66C, network connect in the module 68 antenna circuit ANT2, wired circuit PHY2 all with additional card 10 in function square of the same name have same function; The mode that each function square cooperates running is also consistent with situation in the additional card 10.Additional card 50 and additional card 10 are bigger is not both each function square the be placed in first parts 51A and the second parts 51B of separable combination.In additional card 50, network connects module 68 and is arranged among the second parts 51B; Remaining interlock circuit then is arranged among the first parts 51A.And be respectively equipped with the first sub-transmission ends 55A, 55B and the second sub-transmission ends 57A, 57B among transmission ends 53A, the 53B of the first parts 51A, the second parts 51B.Wireless signal module 64 among the first parts 51A can see through the first sub-transmission ends 55A, 55B and be electrically connected in antenna circuit ANT2 among the second parts 51B; Access-control scheme MAC2 among the first parts 51A also can be electrically connected in wired circuit PHY2 among the second parts 51B via the second sub-transmission ends 57A, 57B.So, when the first parts 51A with after the second parts 51B is connected, access-control scheme MAC2 just can control wireless signal module 64, antenna circuit ANT2 and be connected to wireless network 30A; Also can see through Network transmission line 58 and be connected to cable network 30B via wired circuit PHY2.In the present embodiment, network connects module 68 to be located at separately among the second parts 51B of dismounting capable of being combined, and the advantage person of being to use of this configuration can optionally change network and connect module.Because the difference that network perimeter is built, need to use the antenna circuit of different capacity sometimes, or different types of Network transmission line, so corresponding network connects module also can be variant; The antenna circuit and the Network transmission line that similarly are different capacity have different impedance matchings and interlock circuit design or the like.In the design of present embodiment separate type, different networks connects module and can design in the second different parts, the user cooperates the first original parts as long as change second parts that are equipped with heterogeneous networks to connect module, the demand that just can flexibly cooperate the heterogeneous networks periphery to build is carried out wired and wireless online with additional card of the present invention.In addition, antenna ANT2 also can adopt the design that can pull out dismounting again, makes the antenna circuit ANT2 can be directly by dismounting and change in second parts.
In known technology, the additional card that is used for expanding function of surfing the Net only can have single wired or wireless networking function, can't satisfy the demand of modern information society to network resource access.In comparison, the additional card among the present invention only need be used the single slot of computer, just can expand the function that computer is wired and get online without being tethered to a cable simultaneously, fully satisfies the demand of polynary network connection and resource access.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (12)
1. additional card that is used in a computer, this computer package contains:
One housing;
One first link is arranged on this housing;
This additional card includes:
Second link is used for being connected in this first link in pluggable mode, so that receive the data that this computer transmits by this first link;
One access-control scheme is electrically connected in this second link, and the data that this second link can be transmitted is converted to the first network format data and the second network format data;
One wireless signal module is electrically connected in this access circuit, is used for this first network format data is tuned as a transmission signal; And
One network connects module, and this network connects module and includes:
One antenna circuit is connected in this wireless signal module, is used for this transmission signal being converted to first network signal of an electric wave form and launching wirelessly, so that this first network signal is transferred to a wireless network;
One wired circuit is connected in this access-control scheme, is used for this second network format data is converted to second network signal; And
One Network transmission line is connected in this wired circuit, is used for this second network signal is transferred to a cable network.
2. additional card as claimed in claim 1 is characterized in that this antenna circuit can receive the signal that this wireless network transmits with wireless mode, and is converted into a reception signal; This wireless signal module can be demodulated into this reception signal one network and receive data; And this access-control scheme can be converted to this network reception data corresponding data and transfer to this computer.
3. additional card as claimed in claim 1 is characterized in that, this wired circuit can receive the signal that this cable network transmits via this Network transmission line and be converted to a network and receive signal; This access-control scheme can receive this network signal and be converted to corresponding data and transfer to this computer.
4. additional card as claimed in claim 1 is characterized in that other includes a non-volatility memorizer, is used for storing the required information of this access-control scheme running.
5. additional card as claimed in claim 1 is characterized in that other includes a volatile storage, required information when being used for temporary this access-control scheme running.
6. additional card as claimed in claim 1 is characterized in that, it is to be connected in this access-control scheme in pluggable mode that this network connects module.
7. additional card as claimed in claim 1 is characterized in that, this antenna circuit is to be connected in this network in pluggable mode to connect module.
8. additional card as claimed in claim 1 is characterized in that the form of this first network signal meets the regulation of IEEE 802.11.
9. additional card as claimed in claim 1 is characterized in that this second network signal meets the regulation of IEEE 802.3.
10. additional card as claimed in claim 1 is characterized in that, this access-control scheme is that this data that transmits via second link is added that a header is to form this network format data.
11. additional card as claimed in claim 11 is characterized in that, this header includes a physical address corresponding to this additional card.
12. additional card as claimed in claim 1 is characterized in that, this access-control scheme will be somebody's turn to do the data that transmits via second link and add that a check code is to form this network format data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02119333 CN1284058C (en) | 2002-05-08 | 2002-05-08 | Two purpose additive network card for wireless and radio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02119333 CN1284058C (en) | 2002-05-08 | 2002-05-08 | Two purpose additive network card for wireless and radio |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1456954A true CN1456954A (en) | 2003-11-19 |
| CN1284058C CN1284058C (en) | 2006-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02119333 Expired - Fee Related CN1284058C (en) | 2002-05-08 | 2002-05-08 | Two purpose additive network card for wireless and radio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1284058C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011120422A1 (en) * | 2010-03-29 | 2011-10-06 | 华为技术有限公司 | Processing method and universal serial bus network card for passive optical network |
-
2002
- 2002-05-08 CN CN 02119333 patent/CN1284058C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011120422A1 (en) * | 2010-03-29 | 2011-10-06 | 华为技术有限公司 | Processing method and universal serial bus network card for passive optical network |
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| Publication number | Publication date |
|---|---|
| CN1284058C (en) | 2006-11-08 |
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Granted publication date: 20061108 Termination date: 20130508 |