Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model execution mode is described in further detail below in conjunction with accompanying drawing.
Embodiment 1
As illustrated in fig. 1 and 2, the utility model embodiment provides a kind of portable terminal, comprising:
Exterior aerial 11, domestic aerial 12, signal strengthen module 13, power splitter 14 and sub-terminal 15, and signal strengthens module 13 and links to each other with exterior aerial 11, power splitter 14 and sub-terminal 15 respectively, and power splitter 14 also links to each other with sub-terminal 15 with domestic aerial 12 respectively;
Sub-terminal 15 transmitting control commands strengthen module 13 to signal, and this control command is carried amplification coefficient; Exterior aerial 11 receives the base station signal of base station, this base station signal is transferred to signal strengthens module 13, signal strengthens module 13 and according to this amplification coefficient this base station signal is amplified, again this base station signal is transferred to power splitter 14, power splitter 14 is transferred to domestic aerial 12 and sub-terminal 15 respectively with this base station signal; Domestic aerial 12 receptions are also launched this base station signal.
Wherein, in the present embodiment, the zone at portable terminal and UE place all is the weak district or the blind area of mobile communications network, portable terminal and UE place the zone in base station signal a little less than, sub-terminal 15 in UE and the portable terminal can't directly be handled base station signal, therefore the signal of portable terminal strengthens module 13 by the more weak base station signal of exterior aerial 11 receptions, again base station signal is amplified, base station signal after amplifying is sent to sub-terminal 15 and sends to UE by domestic aerial 12, and sub-terminal 15 like this and UE can handle the base station signal after amplifying.
Further, domestic aerial 12 receives UE (User Equipment, subscriber equipment) the UE signal of Fa Songing also sends to power splitter 14 with this UE signal, and/or sub-terminal 15 produces and sends the UE signal to power splitter 14, the UE signal that power splitter 14 receiving chamber internal antennas 12 and/or sub-terminal 15 send also sends to this UE signal signal and strengthens module 13, signal strengthens module 13 and according to this amplification coefficient this UE signal is amplified, UE signal after amplifying is transferred to exterior aerial 11, and exterior aerial 11 these UE signals of emission are given the base station.
Wherein, sub-terminal 15 receives the base station signal after power splitter 14 transmission are amplified, and the base station signal after this amplification is handled, and produces the UE signal then and sends to power splitter 14; Behind the base station signal that domestic aerial 12 is launched after amplifying, the UE signal is handled and produced to the base station signal of UE receiving chamber internal antenna 12 emissions to the base station signal that receives, and sends the UE signal of generation then to domestic aerial 12.
Wherein, comprise RF (Radio Frequency in the sub-terminal 15, electromagnetic frequency) circuit and baseband circuit, RF circuit receive the base station signal of power splitter 14 transmissions and send the UE signal to power splitter 14, and baseband circuit provides power supply and control command to strengthen module 13 to signal.
Wherein, exterior aerial 11 is the directional antenna of high-gain, and domestic aerial 12 is an omnidirectional antenna.When using this portable terminal,, make exterior aerial 11 can receive the base station signal of base station with exterior aerial 11 be placed on that mobile communications network can cover local and towards the base station; Domestic aerial 12 carries out the theaomni-directional transmission base station signal to zones such as weak district or blind areas, makes the UE that is positioned at this zone can receive base station signal.
Further, if this portable terminal belongs to the portable terminal of time-division system, then referring to the portable terminal of time-division system shown in Figure 1, the signal of this portable terminal strengthens module 13 and comprises first radio-frequency (RF) switch 131, receives path 132, emission path 133 and second radio-frequency (RF) switch 134;
First radio-frequency (RF) switch 131 electrically connects with exterior aerial 11, the input that receives path 132, the output of launching path 133 and sub-terminal 15 respectively, second radio-frequency (RF) switch 134 electrically connects with the output of power splitter 14, reception path 132, the input and the sub-terminal 15 of emission path 133 respectively, receives path 132 and launch path 133 all to electrically connect with sub-terminal 15;
Wherein, the baseband circuit transmitting control commands in the sub-terminal 15 is given and is received path 132 and emission path 133, also sends in addition and receives switching command to first radio-frequency (RF) switch 131 and second radio-frequency (RF) switch 134;
First radio-frequency (RF) switch 131 and second radio-frequency (RF) switch 134 receive the reception switching command that sub-terminal 15 sends, and first radio-frequency (RF) switch 131 is communicated with input and exterior aerial 11 that receives path 132 and output and the exterior aerial 11 that disconnects emission path 133 under the control that receives switching command; Second radio-frequency (RF) switch 134 is communicated with output and power splitter 14 that receives path 132 and input and the power splitter 14 that disconnects emission path 133 under the control that receives switching command; So, after exterior aerial 11 receives the base station signal of base station transmission, this base station signal is transferred to the reception path 132 that signal strengthens module 13, receive path 132 and receive this base station signal, and according to the amplification coefficient that this control command is carried this base station signal is amplified, the base station signal after will amplifying again sends to power splitter 14;
In addition, the baseband circuit of sub-terminal 15 also sends the emission switching command to first radio-frequency (RF) switch 131 and second radio-frequency (RF) switch 134; First radio-frequency (RF) switch 131 and second radio-frequency (RF) switch 134 receive the emission switching command that sub-terminal 15 sends, first radio-frequency (RF) switch 131 disconnects the input that receives path 132 and also is communicated with input and the exterior aerial 11 of launching path 133 with exterior aerial 11 under the control of emission switching command; Second radio-frequency (RF) switch 134 disconnects the output that receives path 132 and also is communicated with input and the power splitter 14 of launching path 133 with power splitter 14 under the control of emission switching command; So, behind the UE signal that power splitter 14 receiving chamber internal antennas 12 and/or sub-terminal 15 send, send the UE signal that receives to emission path 133 that signal strengthens module 13, emission path 133 receives this UE signal and according to the amplification coefficient that this control command is carried this UE signal is amplified, and the UE signal after will amplifying again sends to exterior aerial 11.
Wherein, in time-division system, portable terminal receives on same frequency range and sends signal, so the exterior aerial 11 of portable terminal separately receives and send signal with domestic aerial 12 in the different time.Be that portable terminal is in certain period, by exterior aerial 11 reception base station signal and domestic aerial 12 transmitting base station signals; Portable terminal, receives the UE signal and launches the UE signals by exterior aerial 11 by domestic aerial 12 in the period at another section.So separately sending, the baseband circuit of sub-terminal 15 receives switching command and emission switching command in two different time periods.
Further, receive path 132 and comprise filter S11, the first low noise amplifier circuit S12, the first adjustable attenuator S13 and the first amplifying circuit S14;
The input of filter S11 and first radio-frequency (RF) switch 131 electrically connect, the input of the output of filter S11 and the first low noise amplifier circuit S12 electrically connects, the input of the output of the first low noise amplifier circuit S12 and the first adjustable attenuator S13 electrically connects, the input of the output of the first adjustable attenuator S13 and the first amplifying circuit S14 electrically connects, the output of the first amplifying circuit S14 and second radio-frequency (RF) switch 134 electrically connect filter S11, the first low noise amplifier circuit S12, the first adjustable attenuator S13 links to each other with sub-terminal 15 with the first amplifying circuit S14;
Wherein, the baseband circuit transmitting control commands of sub-terminal 15 is given the first adjustable attenuator S13; The base station signal that filter S11 receiving chamber outside antenna 11 sends also carries out filtering to the base station signal that receives, filtered base station signal is sent to the first low noise amplifier circuit S12, the first low noise amplifier circuit S12 receives this base station signal and this base station signal is carried out low noise amplify, again this base station signal is sent to the first adjustable attenuator S13, the first adjustable attenuator S13 receives this base station signal, according to the amplification coefficient that this control command is carried this base station signal is decayed, base station signal after the decay is sent to the first amplifying circuit S14, the base station signal of the first amplifying circuit S14 receiving attenuation, and the base station signal that receives amplified, the base station signal after will amplifying again sends to power splitter 14;
Wherein, first low noise amplifies electric S12 to be suppressed the noise in the base station signal, and the useful signal in the base station signal is amplified.
In addition, the baseband circuit of sub-terminal 15 provides power supply to filter S11, the first low noise amplifier circuit S12, the first adjustable attenuator S13 and the first amplifying circuit S14.
Further, emission path 133 comprises the second low noise amplifier circuit S21, the second adjustable attenuator S22, the second amplifying circuit S23 and protective circuit S24;
The input of the second low noise amplifier circuit S21 and second radio-frequency (RF) switch 134 electrically connect, the input of the output of the second low noise amplifier circuit S21 and the second adjustable attenuator S22 electrically connects, the input of the output of the second adjustable attenuator S22 and the second amplifying circuit S23 electrically connects, the input of the output of the second amplifying circuit S23 and protective circuit S24 electrically connects, and the output of protective circuit S24 and first radio-frequency (RF) switch 131 electrically connect; The second low noise amplifier circuit S21, the second adjustable attenuator S22, the second amplifying circuit S23 and protective circuit S24 link to each other with sub-terminal 15;
Wherein, the baseband circuit transmitting control commands of sub-terminal 15 is given the second adjustable attenuator S22; The UE signal that the second low noise amplifier circuit S21 receiving chamber internal antenna 12 sends; the UE signal that receives is carried out low noise to be amplified; this UE signal is sent to the second adjustable attenuator S22; the second adjustable attenuator S22 receives this UE signal; according to the amplification coefficient that this control command is carried this UE signal is decayed; UE signal after the decay is sent to the second amplifying circuit S23; the second amplifying circuit S23 receives this UE signal and this UE signal is amplified; UE signal after amplifying is sent to protective circuit S24; protective circuit S24 receives this UE signal; judge whether this UE signal amplitude surpasses the range value of agreement regulation; if surpass; then reduce the amplitude of this UE signal; make the range value of this UE signal be no more than the range value of agreement regulation and will reduce after UE signal dispatcher's office outside antenna 11; if do not surpass, then directly this UE signal is sent to exterior aerial 11.
Wherein, this agreement is the communication protocol between portable terminal and the base station, the higher limit of this communication protocol specified signal amplitude.
In addition, the baseband circuit of sub-terminal 15 provides power supply to the second low noise amplifier circuit S21, the second adjustable attenuator S22, the second amplifying circuit S23 and protective circuit S24.
Further, if this portable terminal belongs to the portable terminal of frequency division systems, then referring to the portable terminal of frequency division systems shown in Figure 2, the signal of the portable terminal of frequency division systems strengthens module 13 and comprises first duplexer 135, receives path 132, emission path 133 and second duplexer 136;
First duplexer 135 electrically connects with the output of exterior aerial 11, the input that receives path 132 and emission path 133 respectively, and second duplexer 136 electrically connects with the input of power splitter 14, the output that receives path 132 and emission path 133 respectively; Receiving path 132 all links to each other with sub-terminal 15 with emission path 133;
Wherein, the baseband circuit transmitting control commands of sub-terminal 15 is to receiving path 132 and emission path 133, exterior aerial 11 receives base station signal, this base station signal is sent to first duplexer 135 that signal strengthens module 13, first duplexer 135 receives this base station signal and sends this base station signal to reception path 132, receive path 132 and receive this base station signal, and this base station signal is amplified according to the amplification coefficient that this control command is carried, the base station signal that amplifies is sent to second duplexer, 136, the second duplexers 136 to be received the base station signal after amplifying and this base station signal is sent to domestic aerial 12 and sub-terminal 15 respectively;
Domestic aerial 12 receives the UE signal of UE transmission and this UE signal is sent to power splitter 14, and/or sub-terminal 15 sends the UE signal to power splitter 14, the UE signal that power splitter 14 receiving chamber internal antennas 11 and/or sub-terminal 15 send, and the UE signal that receives sent to second duplexer 136 that signal strengthens module 13, second duplexer 136 receives this UE signal, and with the UE signal transmission emission path 133 that receives, emission path 133 receives this UE signal, and this UE signal is amplified according to the amplification coefficient that this control command is carried, UE signal after will amplifying again sends to first duplexer, 135, the first duplexers 135 and receives this UE signal and send to exterior aerial 11.
Wherein, in frequency division systems, the exterior aerial 11 of portable terminal and domestic aerial 12 be received signal and send signal on different frequency ranges all, so the exterior aerial 11 of portable terminal and domestic aerial 12 received signal and send signal simultaneously.
Further, receive path 132 and comprise filter S11, the first low noise amplifier circuit S12, the first adjustable attenuator S13 and the first amplifying circuit S14;
The input of filter S11 and first duplexer 135 electrically connect, the input of the output of filter S11 and the first low noise amplifier circuit S12 electrically connects, the input of the output of the first low noise amplifier circuit S12 and the first adjustable attenuator S13 electrically connects, the input of the output of the first adjustable attenuator S13 and the first amplifying circuit S14 electrically connects, the output of the first amplifying circuit S14 and second duplexer 136 electrically connect filter S11, the first low noise amplifier circuit S12, the first adjustable attenuator S13 links to each other with sub-terminal 15 with the first amplifying circuit S14;
Wherein, the baseband circuit transmitting control commands of sub-terminal 15 is given the first adjustable attenuator S13, filter S11 receives the base station signal of first duplexer, 135 transmissions and the base station signal that receives is carried out filtering, filtered base station signal is sent to the first low noise amplifier circuit S12, the first low noise amplifier circuit S12 receives this base station signal and this base station signal is carried out low noise amplify, again this base station signal is sent to the first adjustable attenuator S13, the first adjustable attenuator S13 receives this base station signal, according to the amplification coefficient that this control command is carried this base station signal is decayed, base station signal after the decay is sent to the first amplifying circuit S14, the base station signal of the first amplifying circuit S14 receiving attenuation, and the base station signal that receives amplified, the base station signal after will amplifying again sends to second duplexer 136.
In addition, the baseband circuit of sub-terminal 15 provides power supply to filter S11, the first low noise amplifier circuit S12, the first adjustable attenuator S13 and the first amplifying circuit S14.
Further, emission path 133 comprises the second low noise amplifier circuit S21, the second adjustable attenuator S22, the second amplifying circuit S23 and protective circuit S24;
The input of the second low noise amplifier circuit S21 and second duplexer 136 electrically connect, the input of the output of the second low noise amplifier circuit S21 and the second adjustable attenuator S22 electrically connects, the input of the output of the second adjustable attenuator S22 and the second amplifying circuit S23 electrically connects, the input of the output of the second amplifying circuit S23 and protective circuit S24 electrically connects, the output of protective circuit S24 and first duplexer 135 electrically connect the second low noise amplifier circuit S21, the second adjustable attenuator S22, the second amplifying circuit S23 links to each other with sub-terminal 15 with protective circuit S24;
Wherein, the baseband circuit transmitting control commands of sub-terminal 15 is given the second adjustable attenuator S22; The second low noise amplifier circuit S21 receives the UE signal that second duplexer 136 sends; the UE signal that receives is carried out low noise to be amplified; this UE signal is sent to the second adjustable attenuator S22; the second adjustable attenuator S22 receives this UE signal; according to the amplification coefficient that this control command is carried this UE signal is decayed; UE signal after the decay is sent to the second amplifying circuit S23; the second amplifying circuit S23 receives this UE signal and this UE signal is amplified; UE signal after amplifying is sent to protective circuit S24; protective circuit S24 receives this UE signal; judge whether this UE signal amplitude surpasses the range value of agreement regulation; if surpass; then reduce the amplitude of this UE signal; make the range value of this UE signal be no more than the range value of agreement regulation and will reduce after the UE signal send first duplexer 135; if do not surpass, then directly this UE signal is sent to first duplexer 135.
In addition, the baseband circuit of sub-terminal 15 provides power supply to the second low noise amplifier circuit S21, the second adjustable attenuator S22, the second amplifying circuit S23 and protective circuit S24.
Wherein, in the present embodiment, the first low noise amplifier circuit S14 and the second low noise amplifier circuit S21 can be a plurality of LNA (Low Noise Amplifier, low noise amplifier) series circuit, the first amplifying circuit S14 and the second amplifying circuit S23 can be the series circuit of a plurality of PA (Power Amplifier, power amplifier).
In the utility model embodiment, exterior aerial receives base station information, and signal strengthens module this base station signal is amplified, and the base station information after will amplifying again is transferred to domestic aerial and sub-terminal, and domestic aerial is launched this base station signal again.So increase the coverage of mobile communications network, reduce cost again.
Embodiment 2
Shown in Fig. 3 and 4, the utility model embodiment provides a kind of portable terminal, comprising:
Exterior aerial 11, domestic aerial 12, signal strengthen module 13, sub-terminal 15 and and road device 21; Strengthen module 13 with exterior aerial 11, signal respectively with road device 21 and link to each other with sub-terminal 15, signal strengthens module 13 and also links to each other with domestic aerial 12 with sub-terminal;
Wherein, sub-terminal 15 transmitting control commands strengthen module 13 to signal, and this control command is carried amplification coefficient; Exterior aerial 11 receives the base station signal that the base station sends, this base station signal is sent to and road device 21, receive this base station signal and base station signal is sent to signal enhancing module 13 and sub-terminal 15 respectively with road device 21, signal strengthens module 13 and according to this amplification coefficient this base station signal is amplified, again this base station signal is sent to domestic aerial 12, domestic aerial 12 receptions are also launched this base station signal.
Wherein, in the present embodiment, portable terminal is placed on the stronger position of base station signal, and the sub-terminal 15 in the portable terminal can directly be handled this base station signal, amplifies so sub-terminal 15 can directly receive the base station signal that sends with road device 21 and not need to strengthen module 13 by signal.And the zone at UE place is the weak district or the blind area of mobile communications network, signal strength signal intensity becomes when the base station signal of base station arrives UE place regional a little less than, UE can't directly handle base station signal, therefore the signal of portable terminal strengthens the base station signal that module 13 receives and road device 21 sends, again this base station signal is amplified, base station signal after amplifying is sent to UE by domestic aerial 12, and so UE can handle the base station signal after amplifying.
Further, domestic aerial 12 receives the UE signal of UE transmission and this UE signal is sent to signal and strengthens module 13, signal strengthens module 13 and according to this amplification coefficient this UE signal is amplified, UE signal after will amplifying again sends to and road device 21, sub-terminal 15 send the UE signals to road device 21, strengthen the UE signal of 13 of modules and/or UE signal that sub-terminal 15 sends and the UE signal that receives is sent to exterior aerial 11 with road device 21 received signals, exterior aerial 11 receives these UE signals and also is transmitted to the base station.
Wherein, in the present embodiment, the UE signal is handled and produced to the base station signal that sub-terminal 15 directly receives and road device 21 sends to the base station signal that receives, the UE signal that produces is directly sent and road device 21, again by sending to the base station by exterior aerial 11 with road device 21; Signal strengthens the base station signal that module 13 receives and road device 21 sends, this base station signal is amplified and sends to UE by domestic aerial 12, UE receives the base station signal after amplifying, the UE signal is handled and produced to the base station signal that receives, send the UE signal that produces again, signal strengthens module 13 and receives the UE signal that UE sends by domestic aerial 12, again the UE signal that receives is amplified, UE signal after amplifying is sent to and road device 21, again by sending to the base station by outdoor in line 11 with road device 21.
Wherein, sub-terminal 15 provides power supply to strengthen module 13 to signal.
Wherein, the RF circuit of sub-terminal 15 reception base station signal and baseband circuit provide power supply and control command.
Further, if this portable terminal is the portable terminal of time-division system, then the signal referring to the portable terminal of time-division system shown in Figure 3 strengthens module 13, and signal strengthens module 13 and comprises first radio-frequency (RF) switch 131, receives path 132, emission path 133 and second radio-frequency (RF) switch 134;
First radio-frequency (RF) switch 131 electrically connects respectively with road device 21, the input that receives path 132, the output of launching path 133 and sub-terminal 15, second radio-frequency (RF) switch 134 electrically connects with the output of domestic aerial 12, reception path 132, the input and the sub-terminal 15 of emission path 133 respectively, receives path 132 and launch path 133 all to electrically connect with sub-terminal 15;
Baseband circuit transmitting control commands in the sub-terminal 15 is given and is received path 132 and emission path 133, also sends and receives switching command to first radio-frequency (RF) switch 131 and second radio-frequency (RF) switch 134;
First radio-frequency (RF) switch 131 and second radio-frequency (RF) switch 134 receive the reception switching command that sub-terminal 15 sends, first radio-frequency (RF) switch 131 under the control that receives switching command, be communicated with the input that receives path 132 with and road device 21 and the output that disconnects emission path 133 with and road device 21; Second radio-frequency (RF) switch 134 is communicated with output and domestic aerial 12 that receives path 132 and input and the domestic aerial 12 that disconnects emission path 133 under the control that receives switching command; So, base station signal with 11 transmissions of road device 21 receiving chamber outside antennas, this base station signal is transferred to the reception path 132 that signal strengthens module 13, receive path 132 and receive this base station signal, and according to the amplification coefficient that this control command is carried this base station signal is amplified, the base station signal after will amplifying again sends to domestic aerial 12;
In addition, the baseband circuit of sub-terminal 15 also sends the emission switching command to first radio-frequency (RF) switch 131 and second radio-frequency (RF) switch 134; First radio-frequency (RF) switch 131 and second radio-frequency (RF) switch 132 receive the emission switching command that sub-terminal 15 provides, first radio-frequency (RF) switch 131 under the control of emission switching command, the input that disconnect to receive path 132 with and road device 21 and is communicated with the input of launching path 133 and with road device 21; Second radio-frequency (RF) switch 134 disconnects the output that receives path 132 and also is communicated with input and the domestic aerial 12 of launching path 133 with domestic aerial 12 under the control of emission switching command; So, the UE signal that domestic aerial 12 receives the UE transmission also sends to this UE signal the emission path 133 that strengthens module 13 to signal, emission path 133 receives this UE signal and according to the amplification coefficient that this control command is carried this UE signal is amplified, and the UE signal after will amplifying again sends to and road device 21.
Wherein, it is identical with the structure of emission path 133 with the reception path 132 of the portable terminal of the time-division system of example 2 to put forward the structure of receiving path 132 and emission path 133, no longer describes in detail at this.
Further, if this portable terminal is the portable terminal of frequency division systems, then the signal referring to the portable terminal of frequency division systems shown in Figure 4 strengthens module 13, and signal strengthens module 13 and comprises first duplexer 135, receives path 132, emission path 133 and second duplexer 136;
First duplexer 135 electrically connects with output with road device 21, the input that receives path 132 and emission path 133 respectively, and second duplexer 136 electrically connects with the input of exterior aerial 12, the output that receives path 132 and emission path 133 respectively; Receiving path 132 all links to each other with sub-terminal 15 with emission path 133.
Sub-terminal 15 transmitting control commands are given and are received path 132 and emission path 133, first base station signal that duplexer 135 receives and road device 21 sends also sends this base station signal to and receives path 132, the amplification coefficient that reception path 132 carries according to this control command amplifies this base station signal, base station signal after amplifying is sent to second duplexer, 136, the second duplexers 136 to be received this base station signal and the base station signal that receives is sent to domestic aerial 12;
The UE signal that second duplexer, 136 receiving chamber internal antennas 12 send, this UE signal is sent emission path 133, the amplification coefficient that emission path 133 carries according to this control command amplifies this UE signal, UE signal after will amplifying again sends to the UE signal after 135 receptions of first duplexer, 135, the first duplexers are amplified and sends to and road device 21.
Wherein, the structure that receives path 132 and emission path 133 is identical with the structure of emission path 133 with the reception path 132 of the portable terminal of the frequency division systems of example 2, no longer describes in detail at this.
In the utility model embodiment, exterior aerial receives base station information, and signal strengthens module this base station signal is amplified, and the base station information after will amplifying again is transferred to domestic aerial and sub-terminal, and domestic aerial is launched this base station signal again.So increase the coverage of mobile communications network, reduce cost again.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection range of the present utility model.