CN204244477U - A kind of in-door covering strengthens system and equipment - Google Patents

A kind of in-door covering strengthens system and equipment Download PDF

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Publication number
CN204244477U
CN204244477U CN201420447965.0U CN201420447965U CN204244477U CN 204244477 U CN204244477 U CN 204244477U CN 201420447965 U CN201420447965 U CN 201420447965U CN 204244477 U CN204244477 U CN 204244477U
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China
Prior art keywords
power line
antenna
amplifying unit
line modem
time slot
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Expired - Fee Related
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CN201420447965.0U
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Chinese (zh)
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许灵军
王军
闫渊
付吉祥
程广辉
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China Mobile Communications Group Co Ltd
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China Mobile Communications Group Co Ltd
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Abstract

The utility model embodiment provides a kind of in-door covering and strengthens system and equipment, comprising: passback antenna and access antenna, also comprise: the first amplifying unit of body of wall both sides and the second amplifying unit; First amplifying unit is connected with passback antenna; Second amplifying unit is connected with access antenna; First amplifying unit is connected by power line with the second amplifying unit; First amplifying unit, is modulated into power line transmission signals for descending time slot by downstream signal and transmits on power line; The power line transmission signals of reception is demodulated to upward signal and is sent by passback antenna by ascending time slot; Second amplifying unit, is demodulated to downstream signal for descending time slot by the power line transmission signals of reception and is sent by access antenna; Upward signal is modulated into power line transmission signals and transmits on power line by ascending time slot.Solve coverage reinforcing system in conventional chamber and lay the lower and problem of signal attenuation of user's acceptance that RF cable causes.The utility model relates to mobile communication technology field.

Description

A kind of in-door covering strengthens system and equipment
Technical field
The utility model relates to mobile communication technology field, particularly relates to a kind of in-door covering and strengthens system and equipment.
Background technology
In prior art; TD-LTE is usually operated at high band; as 2.6GHz; but the signal of indoor does not often have outdoor signal good; the main cause of this problem is caused to be that the penetration loss (generally at about 20dB) of building significantly can reduce signal level; that is, signal propagation losses and penetration loss are all comparatively large, and the indoor degree of depth covering performance of TD-LTE therefore usually can be caused very poor.
In order to overcome outdoor cover indoor time signal wall penetration loss, in TD-LTE system, a kind of common solution uses in-door covering to strengthen system (as micropower wireless discharging-directly station) to carry out in-door covering exactly.The in-door covering that Fig. 1 provides for the utility model background technology strengthens system configuration schematic diagram.As shown in Figure 1, in-door covering enhancing system comprises: passback antenna 101, access antenna 102, amplifying unit 103 and connection return the RF cable 104 of antenna and amplifying unit.Wherein, passback antenna 101 is deployed in the outdoor side of body of wall 105, for the outdoor signal received is introduced indoor by RF cable 104; Amplifying unit 103 is deployed in the indoor side of body of wall 105, after the signal for receiving passback antenna 101 amplifies, is again launched by access antenna 102; Passback antenna 101 can be connected by RF cable 104 with between amplifying unit 103, and usual RF cable 104 can guide to indoor by air louver, thus can effectively overcome body of wall and wear damage.The in-door covering that prior art provides strengthens system can ensure under the prerequisite not increasing base station number that the indoor degree of depth of network covers, and its cost is well below the little base station (as Home eNodeB) having effect same.Having without the need to advantages such as wired passback, equipment cost are low, easy for installation because in-door covering strengthens system, is strengthen one of the most cost-effective scheme of in-door covering in prior art.
Further, as shown in Figure 1, amplifying unit may further include RF Amplifier Module and synchronization control module.Because TD-LTE system is tdd systems, uplink and downlink works is at the different time-gap of same frequency range, and therefore, its stationary problem realizes TD-LTE in-door covering to strengthen one of key issue of system.Synchronization module (as terminal communication module or envelope detection synchronous processing module) can be adopted to solve stationary problem, as shown in Figure 1, synchronization module is after demodulation synchronous control signal the signal returning antenna reception, the synchronous control signal being used to indicate lock in time is exported to control module, synchronous control signal exports by control module again, be used for controlling the operating time of up amplification channel and descending amplification channel, namely at descending time slot, the downstream signal that descending amplification channel amplification forwarding base station sends, at ascending time slot, the upward signal that up amplification channel amplification forwarding UE sends.
But, the in-door covering provided in prior art strengthens system, and there are the following problems: if the installation site of the placement location distance passback antenna of amplifying unit is far away, longer RF cable must be laid and connect passback antenna and indoor amplifying unit, the RF cable wiring that this indoor additionally increase is inconvenient, also indoor beauty can be affected, and when RF cable length is longer, the decay of radio frequency signal (usually, uses the RF cable of 10 meters can cause the signal attenuation of 6-8dB) also comparatively greatly and makes in-door covering weak effect.
Utility model content
The utility model embodiment provides a kind of in-door covering and strengthens system and equipment, lays separately the problem of the lower and signal attenuation of user's acceptance that RF cable causes in order to solve coverage reinforcing system and equipment in conventional chamber.
Based on the problems referred to above, a kind of in-door covering that the utility model embodiment provides strengthens system, comprising: passback antenna and access antenna, also comprise: the first amplifying unit and the second amplifying unit that are deployed in body of wall both sides respectively; Described first amplifying unit is connected with described passback antenna, and is deployed in the side of described body of wall; Described second amplifying unit is connected with described access antenna, and is deployed in the opposite side of described body of wall; Described first amplifying unit and described second amplifying unit are by being connected through the power line of described body of wall;
Wherein, described first amplifying unit, for at descending time slot, the downlink radio-frequency signal that the network side received by described passback antenna sends is modulated into the power line transmission signals that can transmit on power line, and is coupled on described power line and is transferred to described second amplifying unit; At ascending time slot, the power line transmission signals that described second amplifying unit received sends is demodulated to upstream radio-frequency signal, and is sent by described passback antenna from described power line;
Described second amplifying unit, at descending time slot, is demodulated to downlink radio-frequency signal by the power line transmission signals that described first amplifying unit received from described power line sends, and is sent by described access antenna; At ascending time slot, the upstream radio-frequency signal that the end side described access antenna received sends is modulated into power line transmission signals, and is coupled on described power line and is transferred to described first amplifying unit.
A kind of in-door covering that the utility model embodiment provides strengthens equipment, comprising: passback antenna and the first above-mentioned amplifying unit.
A kind of in-door covering that the utility model embodiment provides strengthens equipment, comprising: access antenna and the second above-mentioned amplifying unit.
A kind of in-door covering that the utility model embodiment provides strengthens equipment, comprising: passback antenna and the first above-mentioned radio frequency processing module.
A kind of in-door covering that the utility model embodiment provides strengthens equipment, comprising: access antenna and the second above-mentioned radio frequency processing module.
The beneficial effect of the utility model embodiment comprises:
A kind of in-door covering that the utility model embodiment provides strengthens system and equipment, comprising: passback antenna and access antenna, also comprise: the first amplifying unit and the second amplifying unit that are deployed in body of wall both sides respectively; Described first amplifying unit is connected with described passback antenna, and is deployed in the side of described body of wall; Described second amplifying unit is connected with described access antenna, and is deployed in the opposite side of described body of wall; Described first amplifying unit and described second amplifying unit are by being connected through the power line of described body of wall; Wherein, described first amplifying unit, for at descending time slot, the downlink radio-frequency signal that the network side received by described passback antenna sends is modulated into the power line transmission signals that can transmit on power line, and is coupled on described power line and is transferred to described second amplifying unit; At ascending time slot, the power line transmission signals that described second amplifying unit received sends is demodulated to upstream radio-frequency signal, and is sent by described passback antenna from described power line; Described second amplifying unit, at descending time slot, is demodulated to downlink radio-frequency signal by the power line transmission signals that described first amplifying unit received from described power line sends, and is sent by described access antenna; At ascending time slot, the upstream radio-frequency signal that the end side described access antenna received sends is modulated into power line transmission signals, and is coupled on described power line and is transferred to described first amplifying unit.The in-door covering that the utility model provides strengthens the framework of system, the first amplifying unit and the second amplifying unit is introduced respectively at passback antenna place and access antenna place, the two is communicated by the inner existing power line of multiplexing body of wall, to avoid the RF cable that extra deployment is longer between passback antenna and access antenna, thus it is convenient to make in-door covering strengthen wiring when system is disposed, and, first amplifying unit and passback allocating antenna are in the same side of body of wall, second amplifying unit and access allocating antenna are in the same side of body of wall, dispose more flexible, first amplifying unit can be deployed in from the position close to passback antenna, and the second amplifying unit is deployed in the position of having a contest from access antenna, with prior art, passback allocating antenna is in outdoor, amplifying unit be deployed in the degree of depth indoor time long RF cable loss cause in-door covering weak effect to be compared, avoid the negative effect of RF cable loss to coverage effect.
Accompanying drawing explanation
The in-door covering that Fig. 1 provides for the utility model background technology strengthens system configuration schematic diagram;
A kind of in-door covering that Fig. 2 provides for the utility model embodiment strengthens system configuration schematic diagram;
A kind of in-door covering that Fig. 3 a ~ Fig. 3 b provides for the utility model embodiment strengthens one of system configuration schematic diagram;
A kind of in-door covering that Fig. 4 provides for the utility model embodiment strengthens system configuration schematic diagram two.
Embodiment
The utility model embodiment provides a kind of in-door covering and strengthens system and equipment, below in conjunction with Figure of description, preferred embodiment of the present utility model is described, be to be understood that, preferred embodiment described herein only for instruction and explanation of the utility model, and is not used in restriction the utility model.And when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
The utility model embodiment provides a kind of in-door covering to strengthen system, as shown in Figure 2, comprising: passback antenna 201 and access antenna 202, also comprise: the first amplifying unit 204 and the second amplifying unit 205 being deployed in body of wall 203 both sides respectively; First amplifying unit 204 is connected with passback antenna 201, and is deployed in the side of body of wall 203; Second amplifying unit 205 is connected with access antenna 202, and is deployed in the opposite side of body of wall 203; First amplifying unit 204 is connected by the power line 206 through body of wall 203 with described second amplifying unit 205;
Wherein, first amplifying unit 204, for at descending time slot, the downlink radio-frequency signal that the network side that passback antenna 201 receives sends is modulated into the power line transmission signals that can transmit on power line 206, and is coupled on power line 206 and is transferred to the second amplifying unit 205; At ascending time slot, the power line transmission signals that the second amplifying unit 205 received from power line 206 sends is demodulated to upstream radio-frequency signal, and is sent by passback antenna 201;
Second amplifying unit 205, at descending time slot, is demodulated to downlink radio-frequency signal by the power line transmission signals that the first amplifying unit 204 received from power line 206 sends, and is sent by access antenna 202; At ascending time slot, the upstream radio-frequency signal that the end side that receives of access antenna 202 sends is modulated into power line transmission signals, and is coupled on power line 206 and is transferred to the first amplifying unit 204.
Further, a kind of in-door covering that the utility model provides strengthens system and have employed power line communication (PLC, Power Line Communication) technology, and power line communication is a kind of communication mode utilizing power line transmission data-signal.The general principle of power line communication is: at transmitting terminal, utilizes modulation technique to be modulated by user data, the high frequency of carrying information is loaded on electric current, then transmits on power line; At receiving terminal, first modulation signal takes out by device after filtering, then through demodulation, just can obtain former signal of communication, and is sent to computer or phone to realize information transmission.Because power line communication is communicated by multiplexing power circuit, thus do not need again newly-built physical communication lines, capital expenditure and regular maintenance expense can be saved.
Below in conjunction with accompanying drawing, the method provided the utility model with specific embodiment and relevant device are described in detail.
Embodiment:
In the utility model embodiment, a kind of in-door covering is provided to strengthen system, a kind of in-door covering that Fig. 3 a ~ Fig. 3 b provides for the utility model embodiment strengthens system architecture schematic diagram, wherein, this working-flow schematic diagram when Fig. 3 a is descending time slot, this working-flow schematic diagram when Fig. 3 b is ascending time slot.
As shown in Fig. 3 a ~ Fig. 3 b, comprising: passback antenna 201 and access antenna 202, also comprise: the first amplifying unit 204 and the second amplifying unit 205 being deployed in body of wall 203 both sides respectively;
Wherein, the first amplifying unit 204, comprising: the first radio frequency processing module 301 and the first power line modem 302;
First radio frequency processing module 301 is connected with passback antenna 201 and the first power line modem 302 respectively; First power line modem 302 is connected with the second amplifying unit 205 by power line 206;
First radio frequency processing module 301, parses synchronous control signal in the signal that the network side for receiving from passback antenna 201 sends; And according to this synchronous control signal, at descending time slot, as shown in Figure 3 a, the descending amplification channel 305 in the first radio frequency processing module 301 is connected respectively with passback antenna 201 and the first power line modem 302; The downlink radio-frequency signal from passback antenna 201 received by descending amplification channel 305 is carried out rf filtering, amplification, and sends to the first power line modem 302 by descending amplification channel 305; At ascending time slot, as shown in Figure 3 b, the up amplification channel 306 in the first radio frequency processing module 301 is made to be connected with passback antenna 201 and the first power line modem 302 respectively; Upstream radio-frequency signal after the first power line modem 302 demodulation received by up amplification channel 306 is carried out rf filtering, amplification, and by up amplification channel 306 be transferred to passback antenna 201 send;
First power line modem 302, for at descending time slot, as shown in Figure 3 a, be power line transmission signals by the downlink radio-frequency signal frequency down-converts received from the first radio frequency processing module 301, and power line transmission signals be coupled on power line 206 and be transferred to the second amplifying unit 205; At ascending time slot, as shown in Figure 3 b, the power line transmission signals frequency up-converted sent by the second amplifying unit 205 received from power line 206 is upstream radio-frequency signal, and upstream radio-frequency signal is sent to the first radio frequency processing module 301;
Further, the second amplifying unit 205, comprising: the second radio frequency processing module 303 and the second power line modem 304;
Second radio frequency processing module 303 is connected with access antenna 202 and the second power line modem 304 respectively; Second power line modem 304 is connected with the first amplifying unit 204 by power line 206;
Second power line modem 304, for at descending time slot, as shown in Figure 3 a, the power line transmission signals frequency up-converted sent by the first amplifying unit 204 received from power line 206 is downlink radio-frequency signal, and downlink radio-frequency signal is sent to the second radio frequency processing module 303; At ascending time slot, as shown in Figure 3 b, be power line transmission signals by the upstream radio-frequency signal frequency down-converts received from the second radio frequency processing module 303, and power line transmission signals be coupled on power line 206 and be transferred to the first amplifying unit 204;
Second radio frequency processing module 303, for parsing synchronous control signal in the signal from the second power line modem 304 transmission; And according to this synchronous control signal, at descending time slot, as shown in Figure 3 a, make the descending amplification channel 307 in the second radio frequency processing module 303 respectively with the second power line modem 304 and access antenna 202 and be connected; Downlink radio-frequency signal after the second power line modem 304 demodulation received by descending amplification channel 307 is carried out rf filtering, amplification, and by descending amplification channel 307 be transferred to access antenna 202 send; At ascending time slot, as shown in Figure 3 b, the up amplification channel 308 in the second radio frequency processing module 303 is made respectively with the second power line modem 304 and access antenna 202 and be connected; The upstream radio-frequency signal from access antenna 202 received by up amplification channel 308 is carried out rf filtering, amplification, and sends to the second power line modem 304 by up amplification channel 308.
Further, the first power line modem 302 is connected with the second power line modem 304 by power line 206.
Further, a kind of in-door covering that the utility model provides strengthens system and have employed power line communication technology, in power line communication technology, at transmit leg, by the high-frequency signal of carrying information by after adapter (as the first power line modem 302 and the second power line modem 304 that the present embodiment provides) modulation of transmission information, load on electric current, then utilize power line (as the power line 206 that the present embodiment provides) to carry out the transmission of data.Recipient, the adapter (the first power line modem 302 provided as the present embodiment and the second power line modem 304) of reception information is separated demodulation out high-frequency signal again from electric current, and be sent to computer or phone to realize information transmission, thus realize the access of network when not needing rewiring.
The first power line modem 302 that the utility model embodiment provides and the second power line modem 304 can be power line communications apparatus, namely the adapter sent and received information, also power line communication modulator-demodulator (being commonly called as Homeplug) can be called, it can use the existing power line of family or office to set up into network with socket, connect PC, ADSL modem, Set Top Box, audio frequency apparatus, watch-dog and other intelligent electric equipment etc., transmit data, voice and video etc.It has the feature of plug and play, by average family power line transmission signals.
Further, in the present embodiment, passback antenna 201 is when disposing, the good region of outdoor base station signal quality can be arranged on, communicate, during descending time slot with network equipments such as outdoor base stations, can from the aerial downlink radio-frequency signal receiving Base Transmitter, and being transferred to the first radio frequency processing module 301, during ascending time slot, the upstream radio-frequency signal after the first radio frequency processing module 301 can being processed is launched.Access antenna 202 is when disposing, indoor can be deployed in, during descending time slot, downlink radio-frequency signal after second radio frequency processing module 303 being processed is launched, during ascending time slot, the upstream radio-frequency signal can launched from receiving terminal of eating dishes without rice or wine, and send to the second radio frequency processing module 303 to process.
Further, first radio frequency processing module 301 and first power line modem 302 of body of wall 203 the same side is deployed in passback antenna 201, can be deployed in apart from the nearer indoor of passback antenna 201, and be deployed in the second radio frequency processing module 303 and the second power line modem 304 of body of wall 203 opposite side with access antenna 202, the darker indoor of body of wall 203 opposite side can be deployed in, make the terminal of darker indoor can send signal by access antenna, and the first power line modem 302 can be communicated by the power line 206 through body of wall 203 with the second power line modem 304.
Further, first power line modem 302 can respectively by power line access point (such as: the supply socket) power taking be connected separately with the second power line modem 304, when return antenna 201 and the first radio frequency processing module 301 not integrated with same equipment time, by RF cable, passback antenna 201 is connected with the first radio frequency processing module 301, the signal attenuation caused in order to avoid RF cable is long, first radio frequency processing module 301 and the first power line modem 302 can be deployed in apart from the nearer indoor of passback antenna 201, first power line modem 302 is connected with apart from the power line access point returning antenna 201 nearest.
Further, because usual radiofrequency signal is high-frequency signal (such as: the TD-LTE signal of 2.6GHz), the signal of telecommunication that power line transmits is analog if signal (such as: frequency range 2MHz ~ 30MHz), therefore, when radiofrequency signal is transmitted by needs on power line, need transmit leg (first power line modem 302 or the second power line modem 304) that radiofrequency signal is carried out down-conversion, be converted to the analog if signal being adapted at power line transmits, and analog if signal is coupled in power line transmits, recipient's (first power line modem 302 or the second power line modem 304) of the power line other end is after receiving the analog if signal transmitted in power line, this analog if signal is extracted from power line, and this analog if signal is carried out up-conversion, be converted to radiofrequency signal, and continue subsequent operation.
Further, man-to-man point to point link is carried out between first power line modem 302 and the second power line modem 304, without the need to carrying out the multiple access communication of one-to-many, so without the need to the digital communication protocol of complexity, therefore, this programme is without the need to carrying out digital-to-analogue/analog-to-digital conversion, first power line modem 302 and the second power line modem 304 are responsible for the mutual conversion of radiofrequency signal and analog if signal, and analog if signal to be coupled on power line transmission or to receive analog if signal from power line.Owing to not transforming to numeric field, therefore, can significantly save DA required for digitized processing A/D chip and digit chip, significantly to reduce equipment cost.
Further, first radio frequency processing module 301 comprises descending amplification channel 305 and up amplification channel 306, descending amplification channel 305 may be used at descending time slot transmission downlink radio-frequency signal, and up amplification channel 306 may be used at ascending time slot transmission upstream radio-frequency signal.Second radio frequency processing module 303 comprises descending amplification channel 307 and up amplification channel 308, same, descending amplification channel 307 may be used at descending time slot transmission downlink radio-frequency signal, and up amplification channel 308 may be used at ascending time slot transmission upstream radio-frequency signal.
Further, for the communication system of time-sharing multiplex, such as, TD-LTE system, TD-LTE system is tdd systems, uplink and downlink works is at the different time-gap of same frequency range, therefore, need first to get synchronous control signal, determine lock in time, just can distinguish ascending time slot and descending time slot, and in the correct processing signals of correct time slot.Under normal circumstances, base station sends in the downstream signal of terminal and carries synchronous control signal, therefore, first radio frequency processing module 301 can parse synchronous control signal from the signal that passback antenna 201 network side that receive sends, and controls descending amplification channel 305 in the first radio frequency processing module 301 by this synchronous control signal and up amplification channel 306 carries out Signal transmissions at the time slot of correspondence, second radio frequency processing module 303 needs to obtain synchronous control signal equally, because downstream signal is transferred to the second power line modem 304 by the first power line modem 302 by power line 206, this downstream signal carrying synchronous control signal also can be transferred to the second power line modem 304 by power line 206, synchronous control signal is parsed the signal that second radio frequency processing module 303 can send from the second power line modem 304, and control descending amplification channel 307 in the second radio frequency processing module 303 by this synchronous control signal and up amplification channel 308 carries out Signal transmissions at the time slot of correspondence.
Further, as shown in Figure 4, the first radio frequency processing module 301, can also comprise: the first RF Amplifier Module 401 and the first synchronization control module 402; Second radio frequency processing module 303, can also comprise: the second RF Amplifier Module 403 and the second synchronization control module 404;
First RF Amplifier Module 401 and the first synchronization control module 402 are connected with passback antenna 201 respectively; First RF Amplifier Module 401 is connected with the first power line modem 302; Second RF Amplifier Module 403 is connected with the second power line modem 304 respectively with the second synchronization control module 404; Second RF Amplifier Module 403 is connected with access antenna 202;
First synchronization control module 402, parses synchronous control signal in the signal that the network side for receiving from passback antenna 201 sends, and exports this synchronous control signal to the first RF Amplifier Module 401;
First RF Amplifier Module 401, for the synchronous control signal exported according to the first synchronization control module 402, at descending time slot, the descending amplification channel 305 in the first RF Amplifier Module 401 is connected respectively with passback antenna 201 and the first power line modem 302; The downlink radio-frequency signal from passback antenna 201 received by descending amplification channel 305 is carried out rf filtering, amplification, and sends to the first power line modem 302 by descending amplification channel 305; At ascending time slot, the up amplification channel 306 in the first RF Amplifier Module 401 is connected respectively with passback antenna 201 and the first power line modem 302; Upstream radio-frequency signal after the first power line modem 302 demodulation received by up amplification channel 306 is carried out rf filtering, amplification, and by up amplification channel 306 be transferred to passback antenna 201 send;
Second synchronization control module 404, for parsing synchronous control signal in the signal from the second power line modem 304 transmission, and exports this synchronous control signal to the second RF Amplifier Module 403;
Second RF Amplifier Module 403, for the synchronous control signal exported according to the second synchronization control module 404, at descending time slot, make the descending amplification channel 307 in the second RF Amplifier Module 403 respectively with the second power line modem 304 and access antenna 202 and be connected; Downlink radio-frequency signal after the second power line modem 304 demodulation received by descending amplification channel 307 is carried out rf filtering, amplification, and by descending amplification channel 307 be transferred to access antenna 202 send; At ascending time slot, make the up amplification channel 308 in the second RF Amplifier Module 403 respectively with the second power line modem 304 and access antenna 202 and be connected; The upstream radio-frequency signal from access antenna 202 received by up amplification channel 308 is carried out rf filtering, amplification, and sends to the second power line modem 304 by up amplification channel 308.
Further, in system as shown in Figure 4, obtain synchronous control signal by special module (first synchronization control module 402 and the second synchronization control module 404), and processed according to synchronous control signal radio frequency signal by special module (first RF Amplifier Module 401 and the second RF Amplifier Module 403).
Further, first synchronization control module 402 and the second synchronization control module 404 can also obtain gain control signal respectively, gain control is carried out to each self-corresponding up-downgoing amplification channel, control gain stabilization when up-downgoing amplification channel normally works, during the irregular working of up-downgoing amplification channel (such as, when there is self-excitation), reduce the safety that gain ensures up-downgoing amplification channel.
Conceive based on same utility model, the utility model embodiment still provides a kind of in-door covering and strengthens equipment, it is similar that the principle of dealing with problems due to these equipment and aforementioned a kind of in-door covering strengthen system, therefore the enforcement of this equipment see the enforcement of aforementioned system, can repeat part and repeats no more.
One of a kind of in-door covering enhancing equipment that the utility model provides, comprising: passback antenna 201 and the first above-mentioned amplifying unit 204.
A kind of in-door covering that the utility model provides strengthens equipment two, comprising: access antenna 202 and the second above-mentioned amplifying unit 205.
Further, the unit in a kind of in-door covering enhancing system that the utility model embodiment provides or module, can according to actual needs by disparate modules integrated equipment.
In one of a kind of in-door covering enhancing equipment that the utility model provides, first radio frequency processing module 301 and the first power line modem 302 are integrated, so, can be linked together by cabling between first radio frequency processing module 301 and the first power line modem 302, by cabling transmitting radio frequency signal, in like manner, a kind of in-door covering that the utility model provides strengthens in two of equipment, second radio frequency processing module 303 and the second power line modem 304 are integrated, so, can be linked together by cabling between second radio frequency processing module 303 and the second power line modem 304, by cabling transmitting radio frequency signal.
One of a kind of in-door covering enhancing equipment that the utility model provides and a kind of in-door covering strengthen two of equipment can form in-door covering enhancing system.Also passback antenna 201 can be made independent of one of in-door covering enhancing equipment, equally, access antenna 202 can be made to strengthen equipment two independent of in-door covering.
A kind of in-door covering that the utility model provides strengthens equipment three, comprising: passback antenna 201 and the first above-mentioned radio frequency processing module 301.
A kind of in-door covering that the utility model provides strengthens equipment three, comprising: access antenna 202 and the second above-mentioned radio frequency processing module 303.
Further, a kind of in-door covering that the utility model provides strengthens in three of equipment, using the first radio frequency processing module 301 and the first power line modem 302 as two equipment, so, can be linked together by RF cable between first radio frequency processing module 301 and the first power line modem 302, by RF cable transmitting radio frequency signal, in like manner, a kind of in-door covering that the utility model provides strengthens in four of equipment, using the second radio frequency processing module 303 and the second power line modem 304 as two equipment, so, can be linked together by RF cable between second radio frequency processing module 303 and the second power line modem 304, by RF cable transmitting radio frequency signal.
A kind of in-door covering that the utility model provides strengthens equipment three, first power line modem 302 and a kind of in-door covering enhancing equipment four, second power line modem 304 can form in-door covering enhancing system.Also passback antenna 201 can be made to strengthen equipment three independent of in-door covering, equally, access antenna 202 can be made to strengthen equipment four independent of in-door covering.
A kind of in-door covering that the utility model embodiment provides strengthens system and equipment, comprising: passback antenna and access antenna, also comprise: the first amplifying unit and the second amplifying unit that are deployed in body of wall both sides respectively; Described first amplifying unit is connected with described passback antenna, and is deployed in the side of described body of wall; Described second amplifying unit is connected with described access antenna, and is deployed in the opposite side of described body of wall; Described first amplifying unit and described second amplifying unit are by being connected through the power line of described body of wall; Wherein, described first amplifying unit, for at descending time slot, the downlink radio-frequency signal that the network side received by described passback antenna sends is modulated into the power line transmission signals that can transmit on power line, and is coupled on described power line and is transferred to described second amplifying unit; At ascending time slot, the power line transmission signals that described second amplifying unit received sends is demodulated to upstream radio-frequency signal, and is sent by described passback antenna from described power line; Described second amplifying unit, at descending time slot, is demodulated to downlink radio-frequency signal by the power line transmission signals that described first amplifying unit received from described power line sends, and is sent by described access antenna; At ascending time slot, the upstream radio-frequency signal that the end side described access antenna received sends is modulated into power line transmission signals, and is coupled on described power line and is transferred to described first amplifying unit.The in-door covering that the utility model provides strengthens the framework of system, the first amplifying unit and the second amplifying unit is introduced respectively at passback antenna place and access antenna place, the two is communicated by the inner existing power line of multiplexing body of wall, to avoid the RF cable that extra deployment is longer between passback antenna and access antenna, thus it is convenient to make in-door covering strengthen wiring when system is disposed, and, first amplifying unit and passback allocating antenna are in the same side of body of wall, second amplifying unit and access allocating antenna are in the same side of body of wall, dispose more flexible, first amplifying unit can be deployed in from the position close to passback antenna, and the second amplifying unit is deployed in the position of having a contest from access antenna, with prior art, passback allocating antenna is in outdoor, amplifying unit be deployed in the degree of depth indoor time long RF cable loss cause in-door covering weak effect to be compared, avoid the negative effect of RF cable loss to coverage effect.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing might not be that enforcement the utility model is necessary.
Above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.

Claims (10)

1. in-door covering strengthens a system, comprising: passback antenna and access antenna, is characterized in that, also comprise: the first amplifying unit and the second amplifying unit that are deployed in body of wall both sides respectively; Described first amplifying unit is connected with described passback antenna, and is deployed in the side of described body of wall; Described second amplifying unit is connected with described access antenna, and is deployed in the opposite side of described body of wall; Described first amplifying unit and described second amplifying unit are by being connected through the power line of described body of wall;
Wherein, described first amplifying unit, for at descending time slot, the downlink radio-frequency signal that the network side received by described passback antenna sends is modulated into the power line transmission signals that can transmit on power line, and is coupled on described power line and is transferred to described second amplifying unit; At ascending time slot, the power line transmission signals that described second amplifying unit received sends is demodulated to upstream radio-frequency signal, and is sent by described passback antenna from described power line;
Described second amplifying unit, at descending time slot, is demodulated to downlink radio-frequency signal by the power line transmission signals that described first amplifying unit received from described power line sends, and is sent by described access antenna; At ascending time slot, the upstream radio-frequency signal that the end side described access antenna received sends is modulated into power line transmission signals, and is coupled on described power line and is transferred to described first amplifying unit.
2. the system as claimed in claim 1, is characterized in that, described first amplifying unit, comprising: the first radio frequency processing module and the first power line modem;
Described first radio frequency processing module is connected with described passback antenna and described first power line modem respectively; Described first power line modem is connected with described second amplifying unit by described power line;
Wherein, described first radio frequency processing module, parses synchronous control signal in the signal that the network side for receiving from described passback antenna sends; And according to described synchronous control signal, at descending time slot, the descending amplification channel in described first radio frequency processing module is connected respectively with described passback antenna and described first power line modem; The downlink radio-frequency signal from described passback antenna received by described descending amplification channel is carried out rf filtering, amplification, and sends to described first power line modem by described descending amplification channel; At ascending time slot, the up amplification channel in described first radio frequency processing module is connected respectively with described passback antenna and described first power line modem; Upstream radio-frequency signal after the described first power line modem demodulation received by described up amplification channel is carried out rf filtering, amplification, and is transferred to described passback antenna by described up amplification channel and sends;
Described first power line modem, for at descending time slot, be power line transmission signals by the downlink radio-frequency signal frequency down-converts received from described first radio frequency processing module, and described power line transmission signals be coupled on described power line and be transferred to described second amplifying unit; At ascending time slot, the power line transmission signals frequency up-converted sent by described second amplifying unit received from described power line is upstream radio-frequency signal, and described upstream radio-frequency signal is sent to described first radio frequency processing module.
3. system as claimed in claim 2, it is characterized in that, described first radio frequency processing module, comprising: the first RF Amplifier Module and the first synchronization control module;
Described first RF Amplifier Module is connected with described passback antenna respectively with described first synchronization control module; Described first RF Amplifier Module is connected with described first power line modem;
Described first synchronization control module, parses synchronous control signal in the signal that the network side for receiving from described passback antenna sends, and exports described synchronous control signal to described first RF Amplifier Module;
Described first RF Amplifier Module, for the synchronous control signal exported according to described first synchronization control module, at descending time slot, the descending amplification channel in described first RF Amplifier Module is connected respectively with described passback antenna and described first power line modem; The downlink radio-frequency signal from described passback antenna received by described descending amplification channel is carried out rf filtering, amplification, and sends to described first power line modem by described descending amplification channel; At ascending time slot, the up amplification channel in described first RF Amplifier Module is connected respectively with described passback antenna and described first power line modem; Upstream radio-frequency signal after the described first power line modem demodulation received by described up amplification channel is carried out rf filtering, amplification, and is transferred to described passback antenna by described up amplification channel and sends.
4. the system as claimed in claim 1, is characterized in that, described second amplifying unit, comprising: the second radio frequency processing module and the second power line modem;
Described second radio frequency processing module is connected with described access antenna and described second power line modem respectively; Described second power line modem is connected with described first amplifying unit by described power line;
Described second power line modem, for at descending time slot, the power line transmission signals frequency up-converted sent by described first amplifying unit received from described power line is downlink radio-frequency signal, and described downlink radio-frequency signal is sent to described second radio frequency processing module; At ascending time slot, be power line transmission signals by the upstream radio-frequency signal frequency down-converts received from described second radio frequency processing module, and described power line transmission signals be coupled on described power line and be transferred to described first amplifying unit;
Described second radio frequency processing module, for parsing synchronous control signal in the signal from described second power line modem transmission; And according to described synchronous control signal, at descending time slot, the descending amplification channel in described second radio frequency processing module is connected respectively with described second power line modem and described access antenna; Downlink radio-frequency signal after the described second power line modem demodulation received by described descending amplification channel is carried out rf filtering, amplification, and is transferred to described access antenna by described descending amplification channel and sends; At ascending time slot, the up amplification channel in described second radio frequency processing module is connected respectively with described second power line modem and described access antenna; The upstream radio-frequency signal from described access antenna received by described up amplification channel is carried out rf filtering, amplification, and sends to described second power line modem by described up amplification channel.
5. system as claimed in claim 4, it is characterized in that, described second radio frequency processing module, comprising: the second RF Amplifier Module and the second synchronization control module;
Described second RF Amplifier Module is connected with described second power line modem respectively with described second synchronization control module; Described second RF Amplifier Module is connected with described access antenna;
Described second synchronization control module, for parsing synchronous control signal in the signal from described second power line modem transmission, and exports described synchronous control signal to described second RF Amplifier Module;
Described second RF Amplifier Module, for the synchronous control signal exported according to described second synchronization control module, at descending time slot, the descending amplification channel in described second RF Amplifier Module is connected respectively with described second power line modem and described access antenna; Downlink radio-frequency signal after the described second power line modem demodulation received by described descending amplification channel is carried out rf filtering, amplification, and is transferred to described access antenna by described descending amplification channel and sends; At ascending time slot, the up amplification channel in described second RF Amplifier Module is connected respectively with described second power line modem and described access antenna; The upstream radio-frequency signal from described access antenna received by described up amplification channel is carried out rf filtering, amplification, and sends to described second power line modem by described up amplification channel.
6. the system as described in any one of claim 2-3, is characterized in that, the power line access point power taking that described first power line modem is connected by self;
Described first power line modem is connected with the power line access point nearest apart from described passback antenna.
7. in-door covering strengthens an equipment, it is characterized in that, comprising: return the first amplifying unit in antenna and a kind of in-door covering enhancing system as described in any one of claim 1 ~ 6.
8. in-door covering strengthens an equipment, it is characterized in that, comprising: access the second amplifying unit in antenna and a kind of in-door covering enhancing system as described in any one of claim 1 ~ 6.
9. in-door covering strengthens an equipment, it is characterized in that, comprising: return the first radio frequency processing module in antenna and a kind of in-door covering enhancing system as described in claim 2 ~ 3,6 any one.
10. in-door covering strengthens an equipment, it is characterized in that, comprising: access the second radio frequency processing module in antenna and a kind of in-door covering enhancing system as described in any one of claim 4 ~ 5.
CN201420447965.0U 2014-08-08 2014-08-08 A kind of in-door covering strengthens system and equipment Expired - Fee Related CN204244477U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108736916A (en) * 2017-04-17 2018-11-02 东莞百电子有限公司 A kind of novel high-frequency head and wireless LTE integration systems
CN108809402A (en) * 2018-07-13 2018-11-13 深圳捷豹电波科技有限公司 Method for transmitting signals and signal transmission system
CN112311420A (en) * 2020-05-27 2021-02-02 上海明波通信技术股份有限公司 Single-standard dual-mode communication data frame, signal transmitting and receiving method, transmitting and receiving device and communication system
CN112469110A (en) * 2020-10-30 2021-03-09 中通服建设有限公司 Communication equipment of electric power information acquisition system
CN113852436A (en) * 2021-08-27 2021-12-28 电子科技大学 Clock synchronization system applied to 5G small base station

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108736916A (en) * 2017-04-17 2018-11-02 东莞百电子有限公司 A kind of novel high-frequency head and wireless LTE integration systems
CN108736916B (en) * 2017-04-17 2024-04-23 东莞百一电子有限公司 Novel tuner and wireless LTE integration system
CN108809402A (en) * 2018-07-13 2018-11-13 深圳捷豹电波科技有限公司 Method for transmitting signals and signal transmission system
CN112311420A (en) * 2020-05-27 2021-02-02 上海明波通信技术股份有限公司 Single-standard dual-mode communication data frame, signal transmitting and receiving method, transmitting and receiving device and communication system
CN112469110A (en) * 2020-10-30 2021-03-09 中通服建设有限公司 Communication equipment of electric power information acquisition system
CN113852436A (en) * 2021-08-27 2021-12-28 电子科技大学 Clock synchronization system applied to 5G small base station

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