CN205377857U

CN205377857U - Digital interphone

Info

Publication number: CN205377857U
Application number: CN201521101086.3U
Authority: CN
Inventors: 苏洪
Original assignee: Shanghai Shuguo Technology Co Ltd
Current assignee: Shanghai Shuguo Technology Co Ltd
Priority date: 2015-12-25
Filing date: 2015-12-25
Publication date: 2016-07-06
Anticipated expiration: 2025-12-25

Abstract

The utility model relates to the field of communication, a digital interphone is disclosed, include: the baseband module, it is used for modem 2G3G4G communication signal, during the transmission, the baseband module be used for with audio signal compile become to be used for the transmission the baseband sign indicating number, during the receipt, the baseband module is used for separating the baseband sign indicating number of receiving and is translated into audio signal, the baseband module includes CPU treater, channel coding ware, digital signal processor, modem and interface module, with the baseband module links to each other for the transmission and the receipt of 2G3G signal realize the communication function's of intercom machine data RF module, with the baseband module links to each other for wireless communication's wireless communication module, wireless communication module includes WIFI module and GPS module. The utility model discloses a digital interphone, tone quality is clear smooth, does not receive external interference of electromagnetic wave, have echo offset with the noise suppression function.

Description

A kind of digital handset

Technical field

This utility model relates to the communications field, particularly to a kind of digital handset.

Background technology

Transmitter receiver is a kind of bidirectional mobile communication instrument, when not needing any network support, it is possible to call, it is adaptable to the occasion being relatively fixed and frequently conversing.Traditional transmitter receiver is to be modulated in transmitter receiver transmission frequency by the signal of storage.In the current information age, use analog-interphone can realize short-haul call, but the such environmental effects such as easy electromagnetic wave interference, and interconnecting between tradition transmitter receiver multi-site need very big fund input.Therefore, the digital handset being operated in mobile communications network is used to become a kind of trend.

Utility model content

The purpose of this utility model is in that to overcome the deficiencies in the prior art, it is provided that a kind of digital handset, to improve the communication effect of transmitter receiver.

In order to achieve the above object, this utility model provides a kind of digital handset, including:

Baseband module, it is used for modulation /demodulation 2G/3G/4G signal of communication, during transmitting, described baseband module for being compiled into the base band code for launching by audio signal, during reception, described baseband module is for being interpreted as audio signal by the base band code received, and described baseband module includes CPU processor, channel encoder, digital signal processor, modem and interface module；

Being connected with described baseband module, for transmitting and the reception of 2G/3G signal, it is achieved the RF module of the communication function of transmitter receiver machine data, described RF module includes rf chip, rf power amplifier circuit, rf signal reception circuit；

Being connected with described baseband module, for the wireless communication module 2 of wireless telecommunications, described wireless communication module 2 includes WIFI module and GPS module.

Preferably, described WIFI module meets Wi-Fi wireless network communication standards for serial ports or Transistor-Transistor Logic level being transferred to.

Preferably, described GPS module is for gathering the geographical location information of described transmitter receiver, and described GPS module includes RF radio frequency chip, baseband chip and CPU.

Preferably, described digital handset also includes being connected with described baseband module, for providing the PMU module of described transmitter receiver power supply.

Preferably, described digital handset also includes being connected with described baseband module, is used for storing user and system data information, described user and system data information are supplied to the memory module of baseband module.

Preferably, described digital handset also includes being connected with described baseband module, for gathering user instruction and the transmitter receiver peripheral hardware described transmitter receiver result exported.

Preferably, described transmitter receiver peripheral hardware includes receiver, mike, button and display screen.

Preferably, described WIFI module supports WEP64/WEP128/TKIP/CCMP (AES) the WEP/WPA-PSK/WPA2-PSK network of plurality of wireless networks cipher mode.

Preferably, described digital handset also includes:

With the wireless communication antenna that described wireless communication module is connected, it is used for transmitting/receiving wireless communication data signal；

The simulation intercommunication antenna being connected with described RF module, it is used for receiving and dispatching analogue signal.

The beneficial effects of the utility model are: the utility model discloses a kind of digital handset, this transmitter receiver includes baseband module, memory module, transmitter receiver peripheral hardware, RF module, PMU module and wireless communication module, wherein wireless communication module includes WIFI module and GPS module, wireless telecommunications for this digital handset, sound clarity is smooth, not by the interference of external electromagnetic ripple；Transmission range infinitely extends, and has the place of network link just can realize intercommunication and MPTY, constructs the information communication system of broader scope；Adopting Digital Audio-Frequency Processing Techniques, have echo cancelltion and noise suppressing function, full duplex call, MPTY and sectorization broadcast all can easily realize.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 illustrates the structural representation of an embodiment of a kind of transmitter receiver of this utility model.

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.

The structural representation of an embodiment of a kind of transmitter receiver of this utility model is illustrated referring to Fig. 1.In the present embodiment, this digital handset includes:

Baseband module 1, it is used for modulation /demodulation 2G/3G/4G signal of communication, during transmitting, described baseband module 1 for being compiled into the base band code for launching by audio signal, during reception, described baseband module 1 is for being interpreted as audio signal by the base band code received, and described baseband module 1 includes CPU processor, channel encoder, digital signal processor, modem and interface module；

Being connected with described baseband module 1, for transmitting and the reception of 2G/3G signal, it is achieved the RF module 5 of the communication function of transmitter receiver machine data, described RF module 5 includes rf chip, rf power amplifier circuit, rf signal reception circuit；

Being connected with described baseband module 1, for the wireless communication module 2 of wireless telecommunications, described wireless communication module 2 includes WIFI module and GPS module.

Wherein, described WIFI module meets Wi-Fi wireless network communication standards for serial ports or Transistor-Transistor Logic level being transferred to.

Described GPS module is for gathering the geographical location information of described transmitter receiver, and described GPS module includes RF radio frequency chip, baseband chip and CPU.

Described digital handset also includes being connected with described baseband module 1, for providing the PMU module 5 of described transmitter receiver power supply.

Described digital handset also includes being connected with described baseband module 1, is used for storing user and system data information, described user and system data information are supplied to the memory module 3 of baseband module.

Described digital handset also includes being connected with described baseband module 1, for gathering user instruction and the transmitter receiver peripheral hardware 4 described transmitter receiver result exported.

Wherein said transmitter receiver peripheral hardware 4 includes receiver, mike, button and display screen.

Described WIFI module supports WEP64/WEP128/TKIP/CCMP (AES) the WEP/WPA-PSK/WPA2-PSK network of plurality of wireless networks cipher mode.

Described digital handset also includes the wireless communication antenna 7 being connected with described wireless communication module, and it is used for transmitting/receiving wireless communication data signal；The simulation intercommunication antenna 8 being connected with described RF module, it is used for receiving and dispatching analogue signal.

It should be noted that baseband module 1 is the core of whole digital handset, be used for synthesizing the baseband signal being about to launch, or the baseband signal received is decoded.During transmitting, audio signal is compiled into the base band code for launching；During reception, the base band code received is interpreted as audio signal.In addition, baseband module 1 is also responsible for the mutual modulation and demodulation with control, 2G/3G signal of communication of information of each module.

Described RF module 5, the transmitting of primary responsibility 2G/3G signal and reception, it is achieved the communication function of transmitter receiver machine data.Wherein, after the I/Q signal that baseband chip is brought by rf chip carries out up-conversion and filtering, deliver to rf power amplifier circuit and carry out signal amplification, meet the requirement of wireless signal long-distance transmissions, signal after amplification is converted to electromagenetic wave radiation goes out through duplexer, antenna, completes the transmitting of voice or data.The order that the reception of voice or data is then contrary with transmitting carries out, namely antenna converts electromagnetic waves into radiofrequency signal, radiofrequency signal is sent into receiving path through duplexer and is filtered and amplifies, carry out down coversion subsequently into rf chip, the signal received is transformed to the manageable I/Q signal of baseband chip.

Described PMU module 5 provides the stabilized power source needed for system, is responsible for the power management of whole transmitter receiver, for each module for power supply.Guarantee that system power dissipation is reasonable, in order to improve the service life of power supply simultaneously.This security of system is reliable, has overcurrent protection and over-voltage protection function.Voltage can be adjusted according to operating frequency, save electric energy.

Described memory module 3, is used for depositing intercommunication terminal operating system, user data, and corresponding data is supplied to baseband module 1 by data-interface by memory module 3, and baseband module 1 completes the control to whole digital handset and communication correlation function by respective algorithms.

Described transmitter receiver peripheral hardware 4, mainly realizes the human-computer interaction function of transmitter receiver and user, greatly improves Consumer's Experience.

The built-in wireless network protocol IEEE802.11b.g.n protocol stack of described WIFI module and ICP/IP protocol stack, be responsible for for the elaboration of user's transmitter receiver data in LAN environment.

The work of this digital handset mainly includes emission process and reception process.

Wherein, the emission process of this digital handset is: the mike involved by transmitter receiver peripheral hardware 4 is by the data under voice of user, send into baseband module 1 and carry out voice coding, data after coding are sent to wireless communication module 2 or RF module 6, are sent speech data in other transmitter receivers with group by WIFI network or public network.

The reception process of this digital handset is: the speech data information received by WIFI network or public network, enter baseband module 1, the speech data received is decoded by baseband module 1, is reduced into voice messaging, and carries out speech play at the loudspeaker involved by transmitter receiver peripheral hardware 4.

Compared with prior art, the utility model discloses a kind of digital handset, this transmitter receiver includes baseband module, memory module, transmitter receiver peripheral hardware, RF module, PMU module and wireless communication module, wherein wireless communication module includes WIFI module and GPS module, wireless telecommunications for this digital handset, sound clarity is smooth, not by the interference of external electromagnetic ripple；Transmission range infinitely extends, and has the place of network link just can realize intercommunication and MPTY, constructs the information communication system of broader scope；Adopting Digital Audio-Frequency Processing Techniques, have echo cancelltion and noise suppressing function, full duplex call, MPTY and sectorization broadcast all can easily realize.

Below the preferred embodiment this utility model created has illustrated, but this utility model is created and is not limited to described embodiment, those of ordinary skill in the art can also make all equivalent modification or replacement under the premise without prejudice to this utility model creative spirit, and these equivalent modifications or replacement are all contained in the application claim limited range.

Claims

1. a digital handset, it is characterised in that including:

Being connected with described baseband module, for transmitting and the reception of 2G/3G signal, it is achieved the RF module of the communication function of transmitter receiver data, described RF module includes rf chip, rf power amplifier circuit, rf signal reception circuit；

Being connected with described baseband module, for the wireless communication module of wireless telecommunications, described wireless communication module includes WIFI module and GPS module.

2. digital handset according to claim 1, it is characterised in that

Described WIFI module meets Wi-Fi wireless network communication standards for serial ports or Transistor-Transistor Logic level being transferred to.

3. digital handset according to claim 1, it is characterised in that

4. digital handset according to claim 1, it is characterised in that also include:

It is connected with described baseband module, for providing the PMU module of described transmitter receiver power supply.

5. digital handset according to claim 1, it is characterised in that also include:

It is connected with described baseband module, is used for storing user and system data information, described user and system data information are supplied to the memory module of baseband module.

6. digital handset according to claim 1, it is characterised in that also include:

It is connected with described baseband module, for gathering user instruction and the transmitter receiver peripheral hardware described transmitter receiver result exported.

7. digital handset according to claim 1, it is characterised in that described transmitter receiver peripheral hardware includes receiver, mike, button and display screen.

8. digital handset according to claim 2, it is characterised in that described WIFI module supports the WEP64/WEP128/TKIP/AES-CCMPWEP/WPA-PSK/WPA2-PSK network of plurality of wireless networks cipher mode.

9. digital handset according to claim 1, it is characterised in that also include: