KR100329717B1 - Multi-function mobile communication terminal with built-in broadcasting and data broadcasting receiving module - Google Patents

Abstract

By adding a broadcast reception function to the portable mobile communication terminal, it receives and receives various supplementary service data provided through regular frequency reception and unused frequency band of the broadcast channel, and outputs them as text and voice. A communication module for providing a call service to an unspecified person connected to a wired / wireless data channel and a regular broadcasting channel frequency of a radio and a TV, extracting an intermediate frequency and extracting video and audio through predetermined processing. A broadcast receiving module for processing a user of a portable mobile communication terminal to listen and watch, and extracts additional broadcast information received as a packet in an extra spectrum of the received regular broadcast channel to be recognized by the user of the portable mobile communication terminal. Additional information extraction module for processing so that, A control module for executing overall operations for transmission and reception of voice call data through the module, reception processing of a regular broadcast program through a broadcast reception module, and processing of additional broadcast information extracted from the additional information extraction module; And a video and audio processing module for processing audio and video information and outputting the video and text and voice, thereby eliminating the occurrence of costs due to channel occupancy through the reception of a service by airwaves. The superior location of the relay station eliminates the blind spot for additional information, providing reliability in service reception.

Description

Multi-function mobile communication terminal with built-in broadcasting and data broadcasting receiving module

The present invention relates to a portable mobile communication terminal, and more particularly, a broadcast reception function is added to a personal portable mobile communication terminal to receive and receive various types of additional service data provided through a reception band of a regular broadcast and an unused frequency band of a broadcast channel. The present invention relates to a multi-function mobile communication terminal with a built-in broadcast and data broadcast receiving module for outputting text and voice.

In general, due to the expansion of automobiles in accordance with the development of the industry, the road situation in the country is repeatedly congested and delayed due to chronic congestion, and thus the loss cost acts as a burden of excessive logistics costs and waste of energy. The result is a weakening of the competitiveness, and due to the high-speed industrialization and the development of the information and communication network, information on the trend of the market such as securities, exchange rates, interest rates, and prices, which are important keys for the growth of the country, the company, and the individual, are being rapidly delivered. If you are not sensitive to this information, individuals and companies will not be able to grow.

Therefore, in the related art, a portable mobile communication terminal, for example, a cellular phone, a personal communication system (PCS), a wireless call receiver, which uses a band of allocated radio frequency channels for a fee and maintains an explosive supply network due to the appearance of a cellular network. (pager) is provided with the function to provide information on the road transport network and traffic volume, the current status of stock quotes, exchange rate fluctuations, interest rate fluctuations, price fluctuations and other domestic and foreign economies.

However, in order to receive the various information services provided as described above through the portable mobile communication terminal, the data channel allocated thereto is connected through the portable mobile communication terminal, so that the payment of the cost according to the occupation of the data channel is generated. There is a problem.

In addition, since the above information is provided through a data channel allocated by the radio frequency management station for the operation of the portable mobile communication terminal, a problem arises in that the limited radio data channel cannot be efficiently used.

In addition, each mobile communication company operating a portable mobile communication terminal has many base stations to solve the blind spot of communication, but expensive base stations are not installed in rare places such as mountainous areas or valleys. The communication service is not provided, the base station is mainly installed in the lowlands, and due to the communication distance weakness of the radio wave for the operation of the portable mobile communication terminal there is a problem that can not be provided with the communication service and other information services in all areas.

The present invention has been made in view of the above-mentioned general problems, and an object thereof is to receive various information service data in a digital state provided in an inactive band band, i. It is to provide a multi-function mobile communication terminal with a built-in broadcasting and data broadcasting receiving module that can be output to the voice, and to receive the regular broadcast data of the TV or radio to output by text and voice.

1 is a block diagram showing the configuration of a multi-function mobile communication terminal with a broadcast and data broadcast receiving module according to an embodiment of the present invention.

The present invention for achieving the above object is a communication module for providing a call service with an unspecified person connected to wired or wireless with a data channel allocated through the relay of the base station;

A broadcast receiving module for tuning a regular broadcast channel frequency of a radio and a TV to extract an image and audio through extraction of a predetermined frequency and a predetermined process so that a user of the portable mobile communication terminal can listen and watch;

An additional information extraction module for extracting additional information received in a packet on an extra spectrum of the received normal broadcast channel and separating the extracted additional information according to each type;

Processing a mode selection signal for selecting a communication mode, a broadcast mode and an additional information mode, a channel selection signal for selecting a broadcast channel for listening or watching, and an additional information selection signal for selecting only information needed by the user from among the additional information; A key signal processor,

Receiving a signal from the key signal processing unit, and performs the overall operation on the voice call data applied from the communication module when the mode selection signal is the communication mode, the channel when the mode selection signal is the broadcast mode Assigning a channel to the broadcast receiving module according to a selection signal and executing an overall operation for processing of a broadcast signal applied from the broadcast receiving module, and when the mode selection signal is the additional information mode, A control module for extracting only the information selected by the user from the separated additional information applied through the control unit and executing an overall operation for processing the extracted information;

And a video and audio processing module for processing audio and video information processed and applied by the control module in a predetermined state and outputting the video, text, and audio.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As can be seen in Figure 1, the multi-function mobile communication terminal with a built-in broadcast and data broadcast receiving module according to the present invention, the communication terminal module 100, the broadcast receiving module 200, the additional information extraction module 300, the control module 400, the video and audio processing module 500 and the key signal processing unit 600, the communication terminal module 100 is a call with an unspecified random person connected to the wired or wireless with a data channel assigned through the relay of the base station Provide service.

The broadcast receiving module 200 extracts an intermediate frequency by tuning only a frequency broadcast through a regular broadcast channel, and then outputs the radio broadcast so that a user of the portable mobile communication terminal can listen to the radio broadcast. The video and audio of the signal are extracted and processed for output by the user of the portable mobile communication terminal.

The additional information extracting module 300 extracts various types of information desired by the user from the additional broadcasting data information received on the margin spectrum of the normal broadcasting channel in the frequency channel received through the normal broadcasting channel, and performs a voice and text portable mobile communication terminal. Output to the user.

The control module 400 transmits and receives voice call data through the communication terminal module 100, receives a normal broadcast program through the broadcast receiving module 200, and additional broadcast information extracted from the additional information extraction module 300. To execute the overall operation for processing.

The video audio processing module 500 processes the audio and video information processed and applied by the control module 400 in a predetermined state and outputs the video, text and audio.

The key signal selection unit 600 processes the overall key signal such as a selection signal of the use mode of the portable mobile communication terminal in a predetermined state and applies it to the control module 400 side.

The communication terminal module 100 includes a duplexer 101, a receiver 102, a first mixer 103, an intermediate frequency processor 104, a demodulator 105, a synchronization controller 106, and a modulator 107. ), An intermediate frequency extractor 108, a second mixer 109, a filter 110, and a transmitter 110. The duplexer 101 is a transmission / reception splitter that transmits a user in a call mode of a portable mobile communication terminal. By switching the signal and the reception signal of the other party through the relay of the base station, it maintains a stable call without loss and collision of the signal transmitted and received through a single antenna.

The receiver 102 processes the harmonic reception frequency applied through the duplexer 101 in a predetermined state, and then removes and outputs a noise component through low noise amplification and filtering.

The first mixer 103 mixes and outputs the received signal from which the noise component is removed and the signal applied from the synchronization controller 106.

The intermediate frequency processor 104 extracts a component of the intermediate frequency from the signal applied from the first mixer 103, and then amplifies and outputs the component of the intermediate frequency.

The demodulator 105 demodulates and outputs a signal extracted and applied at an intermediate frequency into voice data transmitted from the other party.

The synchronization control unit 106 adjusts synchronization to keep the extraction of the signal stable during modulation and demodulation of the voice data signal transmitted and received.

The modulator 107 modulates and outputs a voice signal transmitted from a portable mobile terminal user to a counterpart on which a call path is formed in a predetermined state.

The intermediate frequency amplifying unit 108 amplifies the modulated and transmitted transmission voice data to an intermediate frequency and outputs the amplified frequency.

The second mixer 109 synthesizes and outputs the transmission intermediate data amplified and applied in a predetermined state with the synchronization signal applied by the synchronization controller 106.

The filter 110 filters and then outputs a signal applied through the second mixer 109.

The transmitter 111 forms the filtered and applied transmission data as a harmonic component, and then transmits the air data through the duplexer 101 and the antenna ANT1.

The broadcast receiving module 200 includes a tuner 201, a phase synchronizer 202, an intermediate frequency processor 203, a demodulator 204, and an image and audio extractor 205. The tuner 201 Tunes and outputs only the frequencies of the channels tuned in the frequency channels of the broadcast programs received through the antenna ANT2.

The phase synchronizer 202 fixes the frequency phase of the corresponding band when tuning the tuned channel broadcast of the tuner 201.

The intermediate frequency processing unit 203 extracts only the intermediate frequency from the received signal tuned by the tuner 201, and then outputs the low noise filtering and amplification to a set level.

The demodulator 204 demodulates the intermediate frequency processed and applied in the predetermined state to form an original signal and outputs it.

In addition, the additional information extracting module 300 includes an additional information extracting unit 301 and an information separating unit 302, and the additional information extracting unit 301 is loaded as a packet in the extra spectrum from the demodulated broadcast data. Extracted additional information data is processed in a predetermined state and outputted.

The information separator 302 separates components of video, audio, and text from the extracted additional broadcast data, and then outputs respective signals.

The control module 400 includes a control unit 410 and a memory unit 420. The memory unit 420 receives and outputs wireless mobile communication and broadcast signals, and extracts and outputs additional information included in the broadcast signal. The overall program data for is set.

The controller 410 analyzes the signals applied from the communication terminal module 100, the broadcast receiving module 200, and the additional information extraction module 300 according to a set program, and then applies the signals applied from the key signal processing unit 600. To control the analysis and output of the corresponding signal.

The image and audio processing module 500 includes an image processing unit 510, an LCD 520, an audio processing unit 530, a speaker (SPK) and a microphone (MIC), and the image processing unit 510 includes a control module 400. Processes and outputs image data applied from a predetermined state for display on the LCD 520.

The voice processing unit 530 converts the voice data applied from the control module 530 into a predetermined sound source signal that can be output through the speaker SPK and then outputs the signal. The transmission input from the microphone MIC in the communication mode is performed. The voice signal is converted into sound source data and then applied to the control module 400.

In the configuration of the present invention having the above-described function, an operation relationship for providing a service of various types of information by extracting a communication mode, a broadcast reception mode, and additional broadcast information is as follows.

When the communication service is performed through the relay of the base station in the standby state of operation of supplying the battery not shown in each module, the telephone number for the specific counterpart input from the key input means (not shown) is the key signal processing unit ( After processing in a predetermined state in 600 and applied to the control unit 410 side of the control module 400, the control unit 410 temporarily stores the applied key selection signal in its buffer, and stores it according to the selection of the call key. The other party's telephone number is formed into a packet and output to the modulator 107 side.

The modulator 107 modulates the applied packet and then applies it to the intermediate frequency amplifying unit 108 to amplify the predetermined frequency to a predetermined state at the same time as the intermediate frequency amplification unit 108 to apply a synchronization signal for data transmission from the synchronization controller 106. It is applied to the second mixer 109 side.

The second mixer 109 mixes the applied intermediate frequency and the data transmission synchronization signal to remove the noise component through the filter 110, and then applies the signal to the transmitter 111 to form the harmonic. By transmitting to the base station through the switching of the duplex 101 to form a communication path with the other party.

As described above, when there is voice data of the other party to be received through the relay of the base station, the duplex 101 switches the contact point to the receiver 102 to apply the received voice data to the receiver 102. do.

At this time, the receiver 102 processes the harmonic reception frequency applied through the duplexer 101 in a predetermined state, and then removes the noise component through low noise amplification and filtering to apply it to the first mixer 103. The first mixer 103 mixes the received signal to be applied to the intermediate frequency processor 104 side by mixing the received signal with the synchronous vibration control signal applied by the synchronization controller 106 according to the signal state of the demodulator 105.

The intermediate frequency processor 104 extracts the components of the intermediate frequency from the mixed signal and then amplifies them to a predetermined level, and then demodulates the voice data transmitted from the other party through the demodulator 105 to control the control module 400. It applies to the control part 410 side.

The controller 410 processes the received received voice data according to an operation program set in the memory unit 420 and converts the received voice data into a sound source signal through the voice processor 530 of the image and voice processing module 500. Will output

In addition, the transmission voice signal input by the user is converted into a residual signal by a microphone (MIC), and then processed in a predetermined state by the voice processing unit 530 and then applied to the control unit 410 side of the control module 400. do.

The control unit 410 is processed according to the program set in the memory unit 420 and then applied to the modulator 107 side of the communication terminal module 100 modulator 107 is applied The transmitted voice data is modulated in a predetermined state and applied to the intermediate frequency amplifying unit 108 side.

When the intermediate frequency amplifying unit 108 amplifies an intermediate frequency of modulated and transmitted data and applies it to the second mixer 109, the second mixer 109 is configured to adjust the phase modulation applied by the synchronization controller 106. It is mixed with the oscillation signal and applied to the filter 110 side.

The filter 110 removes noise components by low noise filtering the applied signal, forms a high frequency component through the transmitter 111, amplifies the signal to a predetermined level, and transmits the signal to the base station through contact switching of the duplexer 101.

Accordingly, the portable mobile communication is provided by transmitting and receiving voice through repetition of the above operation.

In addition, a mode selection signal and a signal for selecting an arbitrary channel for requesting a regular broadcast of a radio or TV in the call waiting mode of the portable mobile communication terminal are controlled by the control unit 400 of the control module 400 through the key signal processing unit 600. If detected on the 410 side, the control unit 410 enters a broadcast reception mode according to a program set in the memory unit 420 and sets a channel to receive only a frequency of a corresponding channel.

When the normal broadcast mode is entered and the channel setting is completed as described above, the tuner 201 according to the phase lock signal applied by the phase synchronizer 202 only the frequency of the channel tuned from the airwaves received through the antenna ANT2. Tuning and filtering are applied to the intermediate frequency processing unit 203 side.

The intermediate frequency processor 203 extracts a signal of an intermediate frequency band from the applied signal, demodulates it through the demodulator 204, and applies the demodulated signal to the video and audio extractor 205.

The video and audio extractor 205 extracts an original signal from the demodulated broadcast signal, that is, an audio signal for radio broadcasting and an audio and video signal for TV broadcasting, and then applies it to the controller 410 of the control module 400. do.

The controller 410 processes the applied broadcast signal according to a program set in the memory unit 420 to form the extracted voice signal as sound source data through the voice processor 530 in the case of listening to radio broadcast to the speaker SPK. In the case of watching TV broadcast, the audio signal is formed by the sound processor 530 as sound source data and output to the speaker SPK, and the video signal is processed through the image processor 510 and output through the LCD 520. .

In the case of watching TV broadcast, the controller 410 synchronizes the audio output from the speaker SPK with the image output from the LCD 520.

In addition, a mode selection signal for receiving additional information, such as stock price status, interest rate, exchange rate, traffic information of road network, price trend, etc. in the call standby mode of the portable mobile communication terminal, is controlled through the key signal processor 600. When detected by the controller 410 side of the control unit 400, the control unit 410 enters the additional information receiving mode according to the program set in the memory unit 420 and simultaneously sets a channel of a broadcasting station that provides the additional information service. do.

As described above, when the reception mode of the additional information service and the setting of the channel are completed, the duner 201 is fixed to the phase synchronizer 202 to apply only the frequency of the channel tuned from the airwaves received through the antenna ANT2. The signal is tuned according to the signal and then filtered and applied to the intermediate frequency processor 203 side.

The intermediate frequency processor 203 extracts a signal of an intermediate frequency band from the applied signal, demodulates it through the demodulator 204 and applies it to the additional information extracting unit 301 side of the additional information extracting module 300.

The additional information extracting unit 301 extracts the additional information contained in the extra spectrum as a packet from all bands of the applied demodulation frequency in a predetermined state, and processes the additional information in a predetermined state. Stock prices, exchange rate fluctuations, interest rates, road traffic volume, inflation trends, weather forecasts, movie information, DGPS (Dynamic Global Position System), etc. are separated and applied to the control unit 410 side of the control module 400.

At this time, the control unit 410 extracts only the information selected by the key selection means from the various information applied through the information separating unit 302, and then through the image processing unit 510 a text, graphics, video or TTS (Test To Speech) function Processed by using the voice to display to the user through the LCD (520).

In the above, when a portable mobile communication terminal is listening to or watching a regular broadcast of a radio or a regular broadcast of a TV or is provided with additional information service, an arbitrary key selection for forming a call is made according to a call ring received from a base station. If detected, the control unit 410 of the control module 400 terminates the broadcast reception and additional information reception mode currently being executed according to the program algorithm set in the memory unit 420 and executes the call in the priority order.

As described above, the present invention can receive a module capable of receiving radio and TV in a portable mobile communication terminal which has been popularized, and receive additional information service that is transmitted as a packet in an extra spectrum of radio or TV frequency channels. Equipped with a module, it provides efficiency in using a portable mobile communication terminal, and various services are provided via airwaves, thereby eliminating the cost of occupying a channel, and providing additional information due to the wide frequency band and regional location advantage of the relay station. This eliminates blind spots, providing reliability in service reception.

Claims (8)

Communication module for providing a call service with an unspecified person connected to wired or wireless through a data channel allocated through relay of a base station, A broadcast receiving module which processes a user of the portable mobile communication terminal to listen to and watch by extracting an image and an audio by extracting an intermediate frequency and predetermined processing by tuning a regular broadcast channel frequency of a radio and a TV; An additional information extracting module for extracting additional information received in a packet on an extra spectrum of the received normal broadcasting channel and separating the extracted additional information according to a type; Processing a mode selection signal for selecting a communication mode, a broadcast mode and an additional information mode, a channel selection signal for selecting a broadcast channel for listening or watching, and an additional information selection signal for selecting only information needed by the user from among the additional information; Key signal processing unit, Receiving a signal from the key signal processing unit, and performs the overall operation on the voice call data applied from the communication module when the mode selection signal is the communication mode, the channel when the mode selection signal is the broadcast mode Assigning a channel to the broadcast receiving module according to a selection signal and executing an overall operation for processing of a broadcast signal applied from the broadcast receiving module, and when the mode selection signal is the additional information mode, A control module for extracting only the information selected by the user from the separated additional information applied through the controller, and executing an overall operation for processing the extracted information; and Video and audio processing module for processing the audio and video information processed and applied by the control module in a predetermined state and outputting the video, text and audio Multi-function mobile communication terminal with a built-in broadcast and data broadcast receiving module comprising a. The method of claim 1, The communication module A duplexer that is switched according to the level of a transmission / reception signal in a state in which a communication path is formed and excludes a signal collision during a transmission / reception of a signal through a single antenna A receiver configured to process a harmonic reception frequency applied through the duplexer in a predetermined state and then perform low noise amplification and filtering; A synchronization controller for stabilizing a phase of a signal to be transmitted and received, A first mixer mixing the signal applied from the receiver and the signal applied from the synchronization controller; An intermediate frequency processor extracting an intermediate frequency component from a signal mixed and applied by the first mixer; A demodulator for restoring the extracted intermediate frequency to original audio data; A modulator for modulating a user's transmission voice data in a state where a communication path is formed, An intermediate frequency amplifier for amplifying the modulated transmission data at an intermediate frequency; A second mixer for mixing the amplified transmission intermediate frequency and the signal applied from the synchronization controller; A filter for filtering a signal applied from the second mixer, and Transmitter for forming the filtered signal in harmonics and apply to the duplexer side Multi-function mobile communication terminal with a built-in broadcast and data broadcast receiving module comprising a. The method of claim 1, The broadcast receiving module A tuner that tunes only a frequency of a channel tuned in a frequency channel of a broadcast program received through an antenna; A phase synchronizer for fixing a frequency phase of a corresponding band when tuning a tuned channel broadcast of the tuner; An intermediate frequency processor for extracting only an intermediate frequency from the received signal tuned by the tuner and then performing low noise filtering; A demodulator for demodulating an intermediate frequency applied and processed in the predetermined state to form an original signal; and Image and audio extraction unit for separating and extracting the video signal and the audio signal from the demodulated broadcast signal Multi-function mobile communication terminal with a built-in broadcast and data broadcast receiving module comprising a. The method of claim 1, The additional information extraction module An additional information extracting unit which extracts the additional information data contained in the extra spectrum as a packet from the demodulated broadcast signal and processes the additional information data in a predetermined state; An information separation unit for separating each service provided from the extracted additional broadcast data according to the type Multi-function mobile communication terminal with a built-in broadcast and data broadcast receiving module comprising a. The method of claim 1, The control module A memory unit in which overall program data for wireless mobile communication and broadcast signal reception, output, and extraction and output of additional information included in the broadcast signal are set; and A control unit processing a signal applied from the communication module, the broadcast receiving module and the additional information extraction module according to a set program and a signal selected by the key signal processor, and then controlling an output of the corresponding signal Multi-function mobile communication terminal with a built-in broadcast and data broadcast receiving module comprising a. The method of claim 1, The video and audio processing module An image processor which displays image data applied from the control module through an LCD screen; A voice processing unit converts the transmitted voice into sound source data and converts the received sound source data into voice signals. Multi-function mobile communication terminal with a built-in broadcast and data broadcast receiving module comprising a. The method of claim 1, The control module is a multi-function mobile communication terminal with a built-in broadcast and data broadcast receiving module that preferentially proceeds with a mode for forming a call when a call request is detected while receiving or watching a regular broadcast and receiving an additional broadcast service. The method of claim 1, The control module is a multi-function mobile communication terminal with a built-in broadcast and data broadcast receiving module for expressing additional information carried in packets in an extra spectrum of a regular broadcast as a voice using a text, graphic, video, or TTS (test to speech) function.