CN1087118C - Multichannel radio module-set communication device - Google Patents
Multichannel radio module-set communication device Download PDFInfo
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- CN1087118C CN1087118C CN 97122996 CN97122996A CN1087118C CN 1087118 C CN1087118 C CN 1087118C CN 97122996 CN97122996 CN 97122996 CN 97122996 A CN97122996 A CN 97122996A CN 1087118 C CN1087118 C CN 1087118C
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Abstract
The present invention relates to a multichannel radio frequency module set communication device which can receive the first radio frequency signal and the second radio frequency signal of different carrier frequency channels. The communication device comprises: a first radio frequency signal processing device and a second radio frequency signal processing device which are respectively used for receiving and processing the first radio frequency signal and the second radio frequency signal to obtain a first digital signal and a second digital signal containing first information and second information, an information processing device used for receiving and processing the first digital signal and the second digital signal to obtain the first information and the second information, and receiving the first digital signal and/or the second digital signal to transmit a first display signal and/or a second display signal, a display device used for displaying the contents of the first display signal and/or the second display signal on the surface of the display device when receiving the first display signal and/or the second display signal, and displaying the content of the second display signal on the surface of the display device in an optical form when receiving the second display signal.
Description
The present invention relates to a kind of communication device of multichannel radio module, particularly relevant a kind of can be with a plurality of radio frequency modules, with the communication device of processing different channel signal.
When general beep-pager (calling set) or wireless telecommunication system reception signal, because the module that receives signal can only receive the signal of a certain channel scope (frequency range), when the information that has been sent by a certain customizing messages source fully when this frequency range took, this communication system just can only receive the information of this information source.And can't receive the information that another information source sends.The internal circuit of general beep-pager has radio-frequency (RF) signal (radio signal) processing unit 100 as shown in Figure 1, is used for receiving the less radio-frequency signal of being launched by platform 102 104.After central processing device 100 processing, less radio-frequency signal 104 becomes fundamental frequency digital signals 106.The signal that received this moment is the signal that can receive in the frequency range of radio-frequency (RF) signal (radio signal) processing unit 100, and the signal institute contents in this frequency range is made as type I information.
This fundamental frequency digital signals 106 is sent to decoding device 108 then, and becomes inner digital signals 110 through decoding, and is sent to CPU 120.And after handling through CPU 120, inner digital signals 110 contained type I informations are sent to random access memory 125, with information storage in memory.And send a signal to display 130, notify the user to have information to enter system by symbols displayed on the display 130.
When the data quantity of the type I information that this traditional beep-pager is included at less radio-frequency signal 104 is very big, even CPU 120 can also be handled other data, but because the frequency range of less radio-frequency signal 104 has been taken by type I information, so this traditional communication system also can't receive other kinds of information.But when the user need receive second category information, when even the platform of emission signal provides another kind of channel to contain the radio-frequency (RF) signal of second category information with emission, the traditional beep-pager of this kind also can't receive signal, yet the restriction in this communication is because information flow-rate is too big in the channel of transmission information, be not enough to hold all information waiting for transmission, the frequency range that is to say the radio frequency module of received RF signal limits to some extent, can only receive the radio-frequency (RF) signal of some frequency ranges.The radio frequency module promptly comprises radio-frequency (RF) signal (radio signal) processing 100 and decoding device 108, and the frequency range of radio frequency module promptly is the frequency range of central processing device 100.
At above-mentioned traditional beep-pager when the data quantity of the type I information that is included of less radio-frequency is very big, even CPU can also be handled other data, but because the frequency range of less radio-frequency signal has been taken by type I information, so this traditional communication system also can't receive other kinds of information, so can cause restriction to the signal that user's desire receives.
Even because the platform of emission signal provides another channel to include the radio-frequency (RF) signal of second category information with emission, the traditional beep-pager of this kind also can't receive signal.Yet the restriction in this communication is not because the speed of central processing unit for processing signal is fast inadequately, but because the frequency range of the radio frequency module of received RF signal limits to some extent, can only receive the radio-frequency (RF) signal of some frequency ranges.
Main purpose of the present invention promptly is that the multichannel radio module is being provided, even make when the first less radio-frequency signal that comprises type I information has taken the frequency range of the first radio frequency module, still can receive the second less radio-frequency signal that includes second category information by the second radio frequency module, allow the user can receive the information of required reception very fast.
According to the purpose of the above, the invention provides a kind of communication device, this communication device can receive the first less radio-frequency signal and the second less radio-frequency signal with different channel simultaneously, and this communication device comprises following elements:
First central processing device, system is used to receive this first less radio-frequency signal, to obtain a first information, this first less radio-frequency signal is radio-frequency (RF) signal (radio signal), after this first numerical digit processing unit processing, obtain one first digital signals, this first digital signals is a baseband signal, and comprises this first information;
Second central processing device, system is used to receive this second less radio-frequency signal, to obtain one second information, this second less radio-frequency signal is radio-frequency (RF) signal (radio signal), after this second central processing device processing, obtain one second digital signals, this second digital signals is a baseband signal, and comprise this second information, this first less radio-frequency signal has different channels with this second less radio-frequency signal;
Central processing unit, system is used to receive this first digital signals and this second digital signals, handle this first digital signals and this second digital signals then, to obtain this first information and this second information, this central processing unit receives this first digital signals and then sends this first display signal, and this central processing unit receives this second digital signals and then sends this second display signal; And
Storage device is to be used to be connected to this central processing unit, remembers this first information and this second information so that this central processing unit to be provided; And
Display unit, system is used to show whether this information processor receives this first digital signals and this second digital signals, this display unit receives this first display signal and then with the form of optics the content of this first display signal is presented at this display unit surface, and this display unit receives this second display signal and then with the form of optics the content of this second display signal is presented at this display unit surface.
Device as previously discussed, wherein, the first described central processing device comprises at least:
Lowering freqyency device is to be used to receive this first less radio-frequency signal, to produce one first baseband signal; And
Decoding device is to be used for this first baseband signal is decoded, and to obtain this first digital signals, sends this first digital signals then.
Device as previously discussed, wherein, the second described central processing device comprises at least:
Lowering freqyency device is to be used to receive this second less radio-frequency signal, to produce one second baseband signal; And
Decoding device is to be used for this second baseband signal is decoded, and to obtain this second digital signals, sends this second digital signals then.
Device as previously discussed, wherein, described central processing unit is a CPU (Central Processing Unit:CPU).
Device as previously discussed, wherein, described memory storage is a random access memory (RandomAccess Memory:RAM).
Device as previously discussed, wherein, described display unit is a LCD (LiquidCrysral Display:LCD).
Fig. 1 is the signal transmission and the circuit structure diagram of traditional beep-pager.
Fig. 2 is the signal transmission and the circuit structure diagram of beep-pager of the present invention.
For the data quantity that overcomes the first information that traditional beep-pager included at the less radio-frequency signal very big, and the user needs to receive second category information again, and the platform of emission signal is when providing another channel to include the radio-frequency (RF) signal of second category information with emission, and the traditional beep-pager of this kind can't receive the problem that this includes the radio-frequency (RF) signal of second category information.So the invention provides the multichannel radio module, to receive a plurality of radio-frequency (RF) signal.Even so when the data quantity of type I information very big, and when taking first kind channel, another radio frequency module of still available reception second channel of this communication system receives the signal of this second channel.
The system construction drawing of this communication system as shown in Figure 2, its structure is roughly identical with traditional pagers, different is just the fundamental frequency module connecting a plurality of radio frequency modules.And be that to be connected to a fundamental frequency module with two radio frequency modules be example in the present embodiment, these two radio frequency modules can receive the radio-frequency (RF) signal of different channel.
In beep-pager of the present invention or wireless telecommunication system, when the amount of information that includes first radio-frequency (RF) signal 202 of type I information when platform 200 desires emissions has taken first kind channel, in with second category information, be contained in second radio-frequency (RF) signal 204, and first radio-frequency (RF) signal 202 and second radio-frequency (RF) signal 204 are launched with the form of radio wave.
Aspect receiving terminal, first central processing device 206 is that to be used for receiving first radio-frequency (RF) signal, 202, the second central processing device 208 that include type I information then be to be used for receiving second radio-frequency (RF) signal 204 that includes second category information.First central processing device 206 comprises first central processing device 210 and first decoding device 214.Because 210 of first central processing device can processing the signal frequency range identical with first radio-frequency (RF) signal 202, so first central processing device 210 can receive first radio-frequency (RF) signal 202.
Through first central processing device, 210 down conversion process, it is the first fundamental frequency digital signals 216 that first radio-frequency (RF) signal 202 becomes after receiving.This first fundamental frequency digital signals 216 is sent to first decoding device 214 then, and becomes the first inner digital signals 220 through decoding, and the first inner digital signals 220 is sent to CPU 225 then.
In receiving terminal, on the other hand, be used for receiving second central processing device 208 of second radio-frequency (RF) signal 204 that includes second category information, include second central processing device 230 with second decoding device 234 because 230 of second central processing device can processing the signal channel identical with second radio-frequency (RF) signal 204, so second central processing device 208 can receive second radio-frequency (RF) signal 204.Through second central processing device, 230 down conversion process, it is the second fundamental frequency digital signals 236 that second radio-frequency (RF) signal 204 becomes after receiving.This second fundamental frequency digital signals 236 is sent to second decoding device 234 then, and becomes the second inner digital signals 240 through decoding, and the second inner digital signals 240 is sent to CPU 225 then.
Because being the modes with time division multiplexing, the first inner digital signals 220 and the second inner digital signals 240 allow CPU 225 handle, so the first inner digital signals 220 and the second inner digital signals 240 are sent into CPU 225, and through after CPU 225 processing, handle the type I information of first inner digital signals 220 gained, with second category information of handling second inner digital signals 240 gained, just be sent to random access memory 250 respectively, so that type I information and content with second category information are stored in the memory.And also send two display signals to display unit 260, notify the user to have information to enter system by symbols displayed on the display unit 260.
In the present invention, first central processing device 206 includes a central processing device 210 and first decoding device 214, and second central processing device 208 comprises second central processing device 230 and second decoding device 234.This is a kind of embodiment of circuit structure of the present invention, if the speed that decoding device is handled is enough fast, first central processing device 206 and second central processing device 208 can shared decoding devices.That is to say, as long as can handle the communication device of the signal that two radio frequency modules are received simultaneously, all within spirit of the present invention and scope.
Claims (6)
1. communication device, this communication device receives one first less radio-frequency signal and one second less radio-frequency signal, and this communication device comprises at least:
First central processing device, be used to receive this first less radio-frequency signal, to obtain a first information, this first less radio-frequency signal is a radio-frequency (RF) signal, after this first central processing device processing, obtain one first digital signals, this first digital signals is a baseband signal, and comprises this first information;
Second central processing device, be used to receive this second less radio-frequency signal, to obtain one second information, this second less radio-frequency signal is a radio-frequency (RF) signal, after this second central processing device processing, obtain one second digital signals, this second digital signals is a baseband signal, and comprise this second information, this first less radio-frequency signal has different channels with this second less radio-frequency signal;
Central processing unit, be used to receive this first digital signals and this second digital signals, handle this first digital signals and this second digital signals then, to obtain this first information and this second information, this central processing unit receives this first digital signals and then sends this first display signal, and this central processing unit receives this second digital signals and then sends this second display signal; And
Storage device is used to be connected to this central processing unit, stores this first information and this second information so that this central processing unit to be provided; And
Display unit, be used to show whether this information processor receives this first digital signals and this second digital signals, this display unit receives this first display signal and then with the form of optics the content of this first display signal is presented at this display unit surface, and this display unit receives this second display signal and then with the form of optics the content of this second display signal is presented at this display unit surface.
2. device as claimed in claim 1 is characterized in that: described first central processing device comprises at least:
Lowering freqyency device is used to receive this first less radio-frequency signal, to produce one first baseband signal; And
Decoding device is used for this first baseband signal is decoded, and to obtain this first digital signals, sends this first digital signals then.
3. device as claimed in claim 1 is characterized in that: described second central processing device comprises at least:
Lowering freqyency device is used to receive this second less radio-frequency signal, to produce one second baseband signal; And
Decoding device is used for this second baseband signal is decoded, and to obtain this second digital signals, sends this second digital signals then.
4. device as claimed in claim 1 is characterized in that: described central processing unit is a CPU.
5. device as claimed in claim 1 is characterized in that: described memory storage is a random access memory.
6. device as claimed in claim 1 is characterized in that: described display unit is a LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97122996 CN1087118C (en) | 1997-11-26 | 1997-11-26 | Multichannel radio module-set communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97122996 CN1087118C (en) | 1997-11-26 | 1997-11-26 | Multichannel radio module-set communication device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1218335A CN1218335A (en) | 1999-06-02 |
| CN1087118C true CN1087118C (en) | 2002-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97122996 Expired - Fee Related CN1087118C (en) | 1997-11-26 | 1997-11-26 | Multichannel radio module-set communication device |
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| Country | Link |
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| CN (1) | CN1087118C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19952153A1 (en) † | 1999-10-29 | 2001-05-03 | Volkswagen Ag | Method and device for the electronic recognition of traffic signs |
| JP3645196B2 (en) * | 2001-02-09 | 2005-05-11 | 松下電器産業株式会社 | Image synthesizer |
| US10473152B1 (en) | 2015-07-31 | 2019-11-12 | University Of South Florida | Linear bi-stable compliant crank-slider-mechanism |
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1997
- 1997-11-26 CN CN 97122996 patent/CN1087118C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1218335A (en) | 1999-06-02 |
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Granted publication date: 20020703 Termination date: 20161126 |