CN103986806A - Data transmission device and mobile terminal - Google Patents
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- CN103986806A CN103986806A CN201410234730.8A CN201410234730A CN103986806A CN 103986806 A CN103986806 A CN 103986806A CN 201410234730 A CN201410234730 A CN 201410234730A CN 103986806 A CN103986806 A CN 103986806A
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Abstract
The invention provides a data transmission device and a mobile terminal. The data transmission device comprises an externally-arranged antenna element capable of being connected to data processing equipment and providing the sending and receiving functions for the data processing equipment. The data processing equipment comprises a sending and receiving unit. When the externally-arranged antenna element is connected with the data processing equipment, the externally-arranged antenna element and the sending and receiving unit in the data processing equipment can provide the sending and receiving functions for the data processing equipment. The data transmission device can be matched with the data processing equipment, the number of antennas of the data processing equipment can be increased, and the receiving performance or the sending performance of the data processing equipment can be improved.
Description
Technical field
The present invention relates to communication technical field, in particular to data transmission device and mobile terminal.
Background technology
MIMO technology is by adopting a plurality of antenna sending and receivings can effectively improve the capacity of communication channel.Research shows that the increase multiple of channel capacity (than a single aerial system (the SISO)) limit is the minimum value in sending and receiving antenna, and in transmission or reception antenna, a less side is the bottleneck of performance.
In order to guarantee the independence of the channel that different antennae forms, antenna (oscillator) needs to guarantee that certain space isolates, and the distance between adjacent antenna oscillator need be not less than the carrier wavelength of 0.5 times conventionally.
The carrier frequency that is generally used for mobile communication comprises 800MHz, 900MHz, 1.8GHz, 1.9GHz, 2.1GHz etc., and according to formula c (light velocity)=λ * f of Electromagnetic Wave Propagation, wavelength corresponding to these frequencies is 0.1 meter to 0.4 meter.If the distance between antenna element is calculated according to 0.5 wavelength, antenna needs 0.05 meter to 0.2 meter, interval so.For general mobile phone, the interval of 0.2 meter means that the multipotency of mobile phone has two antennas.LTE base station conventionally adopts 4 antennas or 8 antennas to send, although base station adopts 4 antennas or 8 antennas to send, the multipotency of mobile phone has two antennas, and known according to research above, mobile phone one has conveniently become the bottleneck of performance.
Summary of the invention
In view of this, the present invention proposes a kind of data transmission device, can increase for example antenna number of mobile phone of data processing equipment, strengthen the transmitting-receiving ability of data processing equipment.
According to an aspect of the present invention, a kind of data transmission device is provided, comprise: external antenna unit, can be connected to data processing equipment, for described data processing equipment provides transmission-receiving function, wherein, described data processing equipment comprises Transmit-Receive Unit, when described external antenna unit is connected with described data processing equipment, the Transmit-Receive Unit in described external antenna unit and described data processing equipment all can be described data processing equipment transmission-receiving function is provided.
External antenna unit can adopt dismountable mode or wireless connections mode to be connected with data processing equipment, the Transmit-Receive Unit comprising with data processing equipment itself combines, just strengthened the antenna amount of data processing equipment, thereby strengthened the transmitting-receiving ability of data processing equipment, and then improved communicating system descending link performance.
In technique scheme, preferred, described external antenna unit comprises: at least one Anneta module, for transceiving data; Communication unit, for carrying out data interaction with described data processing equipment; Processing unit, is connected between described Anneta module and described communication unit, for by the radiofrequency signal translation data signal from described Anneta module, and will convert radiofrequency signal to from described communication unit digital signal.
In technique scheme, preferred, described processing unit comprises:
Frequency band processing unit, for described radiofrequency signal is converted to baseband signal, and converts the baseband signal from baseband processing unit to radiofrequency signal; Described baseband processing unit, for the baseband signal that frequency conversion is obtained, compress processing, and the base band signal transmission that compression is processed gives described communication unit, and receive the baseband signal from described communication unit, and by described base band signal transmission to described frequency band processing unit.
In technique scheme, preferably, described baseband processing unit comprises demodulating and decoding device, for the baseband signal from described frequency band processing unit is carried out to demodulation, decoding, to obtain primary signal, and the source signal from described communication unit is encoded, modulated, to obtain baseband signal; Described frequency band processing unit comprises transmitter and receiver, and wherein transmitter comprises power amplifier and filter, and described receiver comprises filter and low noise amplifier.
In technique scheme, preferred, can also comprise: linkage unit, for connecting described external antenna unit and described data processing equipment.
In technique scheme, preferred, when the interactive signal between described external antenna unit and described data processing equipment is radiofrequency signal or intermediate-freuqncy signal, described linkage unit is radio frequency connecting line; When the interactive signal between described external antenna unit and described data processing equipment is digital signal, described linkage unit is data wire.
In technique scheme, preferred, described linkage unit is wireless transmission unit, the wireless transmission method that described wireless transmission unit adopts comprise following at least one: bluetooth, WiFi, super-broadband tech.
According to a further aspect in the invention, also provide a kind of mobile terminal, having comprised: Transmit-Receive Unit, has been built in described mobile terminal, for transceiving data; At least one data transmission device described in above-mentioned arbitrary technical scheme, described data transmission device is arranged on the outside of described mobile terminal.
Due to the increase of data transmission device, the number of antennas of mobile terminal is increased, thereby strengthened the transmitting-receiving ability of mobile terminal, and then improved communicating system descending link performance.
In technique scheme, preferred, the operating frequency of described data transmission device is not identical with the operating frequency of Transmit-Receive Unit in described data processing equipment, and described data transmission device and described Transmit-Receive Unit receive respectively or send signal separately; Or the operating frequency of described data transmission device is identical with the operating frequency of Transmit-Receive Unit in described data processing equipment, described data transmission device and described Transmit-Receive Unit are common to be received or transmitted signal.
In technique scheme, preferred, can also comprise: control unit, for closing described Transmit-Receive Unit, enable described data transmission device, or enable described Transmit-Receive Unit and described data transmission device simultaneously.
In technique scheme, preferred, while enabling at the same time described Transmit-Receive Unit and described data transmission device, described control unit also keeps synchronizeing with reception or the transmission of the signal of described Transmit-Receive Unit for controlling described data transmission device.
In technique scheme, preferred, the signal that described data transmission device sends is data-signal, and the signal that described Transmit-Receive Unit sends comprises control signal and data-signal.
Data transmission device provided by the invention can coordinate data processing equipment, increases the number of antennas of data processing equipment, strengthens the reception of data processing equipment or sends performance.
Accompanying drawing explanation
The present invention can, by reference to hereinafter given description and being better understood by reference to the accompanying drawings, wherein use same or analogous Reference numeral to represent identical or similar parts in institute's drawings attached.Described accompanying drawing comprises in this manual and forms the part of this specification together with detailed description below, and is used for further illustrating the preferred embodiments of the present invention and explains principle and advantage of the present invention.In the accompanying drawings:
Fig. 1 shows the schematic diagram that data transmission device according to an embodiment of the invention and mobile terminal are used in conjunction with;
Fig. 2 A shows the schematic diagram of data transmission device according to an embodiment of the invention;
Fig. 2 B shows the schematic diagram of data transmission device according to another embodiment of the present invention;
Fig. 3 shows the schematic diagram of data transmission device according to still another embodiment of the invention.
Embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, in the situation that not conflicting, the application's embodiment and the feature in embodiment can combine mutually.
A lot of details have been set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not subject to the restriction of following public specific embodiment.
Fig. 1 shows the schematic diagram that data transmission device according to an embodiment of the invention and mobile terminal are used in conjunction with.
As shown in Figure 1, mobile terminal 100 comprises according to an embodiment of the invention: Transmit-Receive Unit 106, is built in described mobile terminal, for transceiving data; At least one data transmission device 102, described data transmission device 102 is arranged on the outside of mobile terminal.
Due to the increase of data transmission device, the number of antennas of mobile terminal is increased, thereby strengthened the transmitting-receiving ability of mobile terminal, and then improved communicating system descending link performance.
As shown in Figure 1, between mobile terminal 100 and data transmission device 102, be also provided with linkage unit 104, for connection data transmitting device 102 and described data processing equipment.
In technique scheme, preferred, when the interactive signal between described data transmission device 102 and described data processing equipment is radiofrequency signal or intermediate-freuqncy signal, described linkage unit is radio frequency connecting line; When the interactive signal between described data transmission device 102 and described data processing equipment is digital signal, described linkage unit is data wire.
In technique scheme, preferred, linkage unit 104 be wireless transmission unit, the wireless transmission method of described wireless transmission unit employing comprise following at least one: bluetooth, WiFi, super-broadband tech.
Wherein, the operating frequency of data transmission device is not identical with the operating frequency of Transmit-Receive Unit in data processing equipment, and data transmission device and described Transmit-Receive Unit receive respectively or send signal separately; Or the operating frequency of data transmission device is identical with the operating frequency of Transmit-Receive Unit in data processing equipment, data transmission device and described Transmit-Receive Unit are common to be received or transmitted signal.
Mobile terminal 100 can also comprise: control unit (not shown), and for closing the Transmit-Receive Unit of self, enable data transmission device, or enable Transmit-Receive Unit and data transmission device simultaneously.
Wherein, while enabling at the same time described Transmit-Receive Unit and described data transmission device, described control unit also keeps synchronizeing with reception or the transmission of the signal of described Transmit-Receive Unit for controlling described data transmission device.
The signal that data transmission device sends is data-signal, and the signal that Transmit-Receive Unit sends comprises control signal and data-signal.
The present invention, by being the external antenna element of terminal, carrys out elevator system performance by increasing the mode of terminal antenna number.
Fig. 2 A shows the schematic diagram of data transmission device according to an embodiment of the invention.
As shown in Figure 2 A, data transmission device 102 according to an embodiment of the invention, comprise: external antenna unit 1022, can be connected to data processing equipment (for example mobile terminal in Fig. 1), for described data processing equipment provides transmission-receiving function, wherein, described data processing equipment comprises Transmit-Receive Unit, when described external antenna unit 1022 is connected with described data processing equipment, the Transmit-Receive Unit in described external antenna unit 1022 and described data processing equipment all can be described data processing equipment provides transmission-receiving function.
External antenna unit 1022 can adopt dismountable mode or wireless connections mode to be connected with data processing equipment, the Transmit-Receive Unit comprising with data processing equipment itself combines, just strengthened the antenna amount of data processing equipment, thereby strengthened the transmitting-receiving ability of data processing equipment, and then improved communicating system descending link performance.
In technique scheme, preferred, described external antenna unit 1022 comprises: at least one Anneta module 102A, for transceiving data; Communication unit 102B, for carrying out data interaction with described data processing equipment.
In technique scheme, preferably, described external antenna unit 1022 can also comprise: processing unit 102C, be connected between described Anneta module 102A and described communication unit 102B, be used for the radiofrequency signal translation data signal from described Anneta module 102A, and convert the digital signal from described communication unit 102B to radiofrequency signal.
In technique scheme, preferred, described processing unit 102C comprises:
Frequency band processing unit, for described radiofrequency signal is converted to baseband signal, and converts the baseband signal from baseband processing unit to radiofrequency signal; Described baseband processing unit, for the baseband signal that frequency conversion is obtained, compress processing, and the base band signal transmission that compression is processed gives described communication unit, and receive the baseband signal from described communication unit, and by described base band signal transmission to described frequency band processing unit.
In technique scheme, preferably, described baseband processing unit comprises demodulating and decoding device, for the baseband signal from described frequency band processing unit is carried out to demodulation, decoding, to obtain primary signal, and the source signal from described communication unit is encoded, modulated, to obtain baseband signal; Described frequency band processing unit comprises transmitter and receiver, and wherein transmitter comprises power amplifier and filter, and described receiver comprises filter and low noise amplifier.
Above-mentioned data processing equipment can be mobile phone, panel computer etc.
It should be noted that, above-mentioned mobile terminal can be the ordinary terminal that has been equipped with the receive-transmit systems such as antenna, can work alone; Also can be not to be equipped with the terminal of the receive-transmit systems such as antenna.While not being equipped with antenna system, need to provide transmission-receiving function by external antenna unit 1022.
The major function of external antenna unit 1022 is to provide more receiving ability for mobile terminal.It can work alone, and when mobile terminal is not equipped with antenna or antenna and closes, external antenna unit 1022 can provide the function that receives and send for mobile terminal.It also can with mobile terminal collaborative work, with the own antenna co-operation of mobile terminal.
External antenna unit 1022 at least comprise k independently Anneta module 102A be used for receiving signal, an and communication unit 102B, for mobile terminal interaction data.
Further, external antenna unit 1022 can be powered by mobile terminal by linkage unit 104, also can autogamy power supply, and be self even mobile terminal power supply.
Anneta module 102A can directly send by radio frequency line the radiofrequency signal receiving to mobile terminal, receives the band signal from mobile terminal simultaneously.If Anneta module 102A transmitting radio frequency signal, only can transmit the CF signal of device after filtering, also can band signal be down-converted to the frequency that is applicable to transmission by filter and frequency converter, as intermediate-freuqncy signal.
As shown in Figure 2 B, external antenna unit 1022 also can increase processing unit 102C, and radiofrequency signal is converted to digital signal, and the digital signal after conversion is sent to mobile terminal, receive the digital signal from mobile terminal, by processing unit, 102C is converted to band signal simultaneously.
Described digital signal can be baseband digital signal, now in processing unit 102C, should comprise 304 two parts of frequency band processing unit 302 and baseband processing unit, as shown in Figure 3.
Frequency band processing unit 302 should comprise the modules (not shown in Fig. 3) such as filter, frequency converter, converts radiofrequency signal is transformed to base band by one or many; The base band signal process that baseband processing unit 304 obtains frequency conversion, is submitted to communication unit 102B, and then sends to terminal by linkage unit 104.Otherwise communication unit 102B receives the baseband signal of self terminal, by baseband processing unit 304, frequency band processing unit 302, transform to radiofrequency signal, and then be sent to outside by antenna.
In baseband processing unit 304, from the signal of frequency band processing unit 302, can compress processing, be submitted to communication unit 102B, also can revert to the primary signal that information source sends by steps such as demodulation, decodings.Otherwise baseband processing unit 304 is processed the source signal from communication unit 102B, encode, the operation such as modulation, and transform to radiofrequency signal by frequency band processing unit 302, for antenna, send.
Above-mentioned radio frequency unit all should comprise transmitter (Transceiver) and receiver (Receiver), wherein transmitter (Transceiver) should comprise power amplifier (Power Amplifier), should comprise the devices such as filter, low noise amplifier (Low Noise Amplifier) in receiver.
It will be understood by those skilled in the art that linkage unit must be radio frequency connecting line when antenna radio frequency (or intermediate frequency) signal is mutual between terminal and external antenna unit 1022, and need to meet impedance matching principle during design, reduce the decay of reactance to signal.
When the signal of transmission between terminal 101 and antenna element 201 is digital signal, linkage unit 301 can adopt USB line or other types data wire.
When linkage unit adopts wireless way for transmitting, the communication unit in external antenna unit 1022 comprises baseband processing unit, frequency band processing unit and antenna, corresponding, terminal also should have corresponding baseband processing unit, frequency band processing unit and antenna.Conventionally in order to improve efficiency of transmission, to signal, also to compress.
This external antenna unit, except being arranged on the shell of terminal, for example, configures contained structure on shell, and this external antenna unit is arranged in this contained structure, is easy to carry, and also can be arranged on other can portable equipment for example on wrist-watch.
With above-mentioned, be described with reference to the accompanying drawings according to technical scheme of the present invention, data transmission device provided by the invention can coordinate data processing equipment, increases the number of antennas of data processing equipment, strengthens the reception of data processing equipment or sends performance.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (13)
1. a data transmission device, is characterized in that, comprising:
External antenna unit, can be connected to data processing equipment, for described data processing equipment provides transmission-receiving function, wherein, described data processing equipment comprises Transmit-Receive Unit, when described external antenna unit is connected with described data processing equipment, the Transmit-Receive Unit in described external antenna unit and described data processing equipment all can be described data processing equipment transmission-receiving function is provided.
2. data transmission device according to claim 1, is characterized in that, described external antenna unit comprises:
At least one Anneta module, for transceiving data;
Communication unit, for carrying out data interaction with described data processing equipment.
3. data transmission device according to claim 2, is characterized in that,
Processing unit, is connected between described Anneta module and described communication unit, for by the radiofrequency signal translation data signal from described Anneta module, and will convert radiofrequency signal to from described communication unit digital signal.
4. data transmission device according to claim 3, is characterized in that, described processing unit comprises:
Frequency band processing unit, for described radiofrequency signal is converted to baseband signal, and converts the baseband signal from baseband processing unit to radiofrequency signal;
Described baseband processing unit, for the baseband signal that frequency conversion is obtained, compress processing, and the base band signal transmission that compression is processed gives described communication unit, and receive the baseband signal from described communication unit, and by described base band signal transmission to described frequency band processing unit.
5. data transmission device according to claim 4, it is characterized in that, described baseband processing unit comprises demodulating and decoding device, for the baseband signal from described frequency band processing unit is carried out to demodulation, decoding, to obtain primary signal, and the source signal from described communication unit is encoded, modulated, to obtain baseband signal;
Described frequency band processing unit comprises transmitter and receiver, and wherein transmitter comprises power amplifier and filter, and described receiver comprises filter and low noise amplifier.
6. according to the data transmission device described in any one in claim 1 to 5, it is characterized in that, also comprise:
Linkage unit, for connecting described external antenna unit and described data processing equipment.
7. data transmission device according to claim 6, is characterized in that, when the interactive signal between described external antenna unit and described data processing equipment is radiofrequency signal or intermediate-freuqncy signal, described linkage unit is radio frequency connecting line;
When the interactive signal between described external antenna unit and described data processing equipment is digital signal, described linkage unit is data wire.
8. data transmission device according to claim 6, is characterized in that, described linkage unit is wireless transmission unit, the wireless transmission method that described wireless transmission unit adopts comprise following at least one: bluetooth, WiFi, super-broadband tech.
9. a mobile terminal, is characterized in that, comprising:
Transmit-Receive Unit, is built in described mobile terminal, for transceiving data;
At least one data transmission device as described in any one in claim 1 to 8, described data transmission device is arranged on the outside of described mobile terminal.
10. mobile terminal according to claim 9, it is characterized in that, the operating frequency of described data transmission device is not identical with the operating frequency of Transmit-Receive Unit in described data processing equipment, and described data transmission device and described Transmit-Receive Unit receive respectively or send signal separately; Or
The operating frequency of described data transmission device is identical with the operating frequency of Transmit-Receive Unit in described data processing equipment, and described data transmission device and described Transmit-Receive Unit are common to be received or transmitted signal.
11. mobile terminals according to claim 9, is characterized in that, also comprise:
Control unit, for closing described Transmit-Receive Unit, enables described data transmission device, or enables described Transmit-Receive Unit and described data transmission device simultaneously.
12. mobile terminals according to claim 11, it is characterized in that, while enabling at the same time described Transmit-Receive Unit and described data transmission device, described control unit also keeps synchronizeing with reception or the transmission of the signal of described Transmit-Receive Unit for controlling described data transmission device.
13. according to the mobile terminal described in any one in claim 9 to 12, it is characterized in that, the signal that described data transmission device sends is data-signal, and the signal that described Transmit-Receive Unit sends comprises control signal and data-signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410234730.8A CN103986806A (en) | 2014-05-29 | 2014-05-29 | Data transmission device and mobile terminal |
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| CN201410234730.8A CN103986806A (en) | 2014-05-29 | 2014-05-29 | Data transmission device and mobile terminal |
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| CN105491190A (en) * | 2015-11-28 | 2016-04-13 | 广东欧珀移动通信有限公司 | Multi-antenna selection method and mobile terminal |
| WO2018006522A1 (en) * | 2016-07-07 | 2018-01-11 | 中兴通讯股份有限公司 | Active antenna system, mobile terminal, and antenna system configuration method |
| CN109889235A (en) * | 2019-01-10 | 2019-06-14 | 普联技术有限公司 | A kind of 5G terminal system |
| CN112910515A (en) * | 2019-12-04 | 2021-06-04 | 深圳市万普拉斯科技有限公司 | Data receiving method, terminal equipment and system |
| WO2021244226A1 (en) * | 2020-06-03 | 2021-12-09 | 中兴通讯股份有限公司 | Wireless communication apparatus, antenna detection method and user device |
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Application publication date: 20140813 |