KR100694437B1 - Method for setting initial channel in mobile broadcasting system - Google Patents

Abstract

An initial channel setup method of a mobile broadcasting system is provided to be capable of setting a certain channel of a user to an initial driving channel of the system in consideration of the user's channel use preference, thus user's convenience is enhanced while user's satisfaction is increased. When a mobile broadcasting system is initialized, the frequency of use of a particular channel is analyzed(S200,S206). The frequency of use in each time slot of the particular channel is analyzed(S208). In case of power on/off of the mobile broadcasting system, channel information and time information are analyzed(S210). The frequency of use of the particular channel, the frequency of use in each time slot of the particular channel, and the channel information and the time information in case of the power on/off of the system are gathered as statistics(S212). Based on the statistics, a channel having the highest probability of generation in each time slot is set to an initial driving channel of the system(S214).

Description

Initial channel setting method of mobile broadcasting system {METHOD FOR SETTING INITIAL CHANNEL IN MOBILE BROADCASTING SYSTEM}

1 is a block diagram of a mobile broadcast system for performing an initial channel setting method according to the present invention;

2 is a flowchart of an initial channel setting procedure of a mobile broadcast system according to an embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

100: key input unit 102: control unit

104: power supply unit 106: channel usage DB

108: Channel setting information DB

The present invention relates to a service technology of a mobile broadcasting system, for example, a digital multimedia broadcasting (DMB) receiver. In particular, the present invention relates to a mobile broadcasting system suitable for statistically setting channel usage information of a user and setting it as initial channel information. Of the initial channel setting method.

DMB is a service that has been renamed and used in Korea in accordance with the ITU regulations that digital audio broadcasting (Dabbreviated as DAB) includes not only audio but also video and text. It is emerging as a worthwhile service technology.

DMB is an advanced system that not only provides users with fully digitized information, but also has various applications in terms of quality and quantity. In addition, DMB can transmit voice programs and data programs at different data rates at the same time, and provides PAD (Program Associated Data) services that include data services in voice programs, and independently of text, graphics, and video. Non Program Associated Data (NPAD) services that provide programs are available. In particular, the NPAD service can be used to provide content such as train and plane timetables, stock information, weather information, performance information, and news.

Such DMB receivers include PC (PC) card type, home audio type, and automobile type. The DMB receivers are classified into terrestrial broadcasting service and satellite broadcasting service according to the characteristics of the medium.

Broadcasting using satellite is to transmit video and audio signal produced by broadcasting station through transmitting earth station and send signal to remote receiving earth station by using satellite, which is a stationary satellite floating over the equator, as a repeater. A signal is transmitted from the terrestrial digital broadcasting earth station to the satellite, and the signal received from the satellite is downstream through the L-band.

In addition, in a broadcast system using terrestrial waves, a digital broadcasting station directly outputs a digital broadcast. Broadcast signals output by these two methods are received by mobile and fixed digital receivers.

Such a DMB system can be broadly classified into an out-of-band (EUREKA) -147 method jointly proposed in Pan-Europe and an in-band (IN-BAND) method proposed by the United States.

The dual Eureka-147 method uses a new frequency band other than the FM band in which analog broadcasting is provided, and features the use of the new frequency band and broadband transmission. In addition, the Eureka-147 system has a frequency band of 30 MHz to 3 GHz, that is, Very High Frequency (VHF), Ultra High Frequency (UHF), and L-band (1 to 2 GHz) / S-band; It can operate in the 2 ~ 4GHz) band (satellite broadcasting band), it is possible to broadcast terrestrial broadcasting through the current FM band and TV band and satellite broadcasting through the L / S band. Therefore, it is known to be the best DAB system developed to date because the frequency can be efficiently used through improved reception performance, high speed data transmission and single frequency network configuration due to broadband transmission.

In-band method is a method of sharing the frequency band used by the conventional analog broadcasting, and the IBOC (In-Band On-Channel) method for transmitting digital audio signal to AM or FM channel and the adjacent channel of FM channel. In-band adjacent-channel (IBBA) schemes have been proposed.

As described above, since the DMB has a multiplexed frame structure, there is an advantage in that several broadcasts (services) can be loaded and transmitted in one frequency channel.

On the other hand, the DMB receiver generally stores the last channel operation information during a device operation in a buffer, and loads information on the last channel when the receiver is initially driven, for example, when the power is turned on.

Alternatively, in the DMB receiver, a constant channel is always set in the buffer so as to recognize the initial channel, and the information on the first input channel set in the buffer is loaded when the receiver is initially driven.

In the conventional channel setting method, when the user turns the DMB receiver off and then on again, the user resets the channel to the channel he / she wants because it is loaded with the channel information already set instead of the channel mainly used by the user. The hassle has to be done.

That is, due to the channel setting that does not consider user preference at all, there is a lot of inconvenience in using a mobile broadcasting system such as a DMB receiver.

The present invention is to solve the above-described problems of the prior art, and in the mobile broadcasting system such as DMB to set the user's channel usage information statistically and can be used to automatically load the user's favorite channel at the time of initial system startup An object of the present invention is to provide an initial channel setting method of a mobile broadcasting system.

According to a preferred embodiment of the present invention for achieving the above object, a method for setting a system initial drive channel in a mobile broadcast system, the method comprising: analyzing the frequency of use of a particular channel when the mobile broadcast system is initialized; Analyzing the frequency of use by time zone, analyzing channel and time information when the mobile broadcasting system is powered on / off, frequency of using the specific channel, frequency of using the specific channel, and using the mobile broadcasting system. An initial channel of the mobile broadcasting system, comprising: integrating statistics of channel and time information at power on / off; and setting a channel having the highest occurrence probability per time zone as a system initial driving channel based on the integration statistics. Provides a setting method.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

Prior to the description, the mobile broadcast system applied to the present embodiment is limited to the DMB receiver for convenience of description, but this limitation does not characterize the present invention. For example, various mobile broadcast systems capable of watching while moving satellite or terrestrial broadcasts may be applied, which will become more apparent from the claims that follow.

1 is a schematic block diagram of a mobile broadcast system for performing an initial channel setting method according to an exemplary embodiment of the present invention, for example, a DMB receiver, and includes a key input unit 100, a control unit 102, a power supply unit 104, and a channel. The information DB 106 and the channel setting information DB 108.

As shown in FIG. 1, the key input unit 100 is a key matrix formed on the front panel of the DMB receiver, and generates a key signal corresponding to a user's key input action and provides the generated key signal to the controller 102. do.

The control unit 102 controls the overall DMB receiver according to the key signal generated from the key input unit 100. In particular, the control unit 102 analyzes and statistically analyzes the frequency of use of the specific channel according to the key signal of the key input unit 100 and the channel information at the time of powering on / off the system of the power supply unit 104 according to the present embodiment. The initial channel is set according to the statistical information. A detailed control process of the control unit 102 will be described in more detail in the following flowchart.

Meanwhile, the channel usage information DB 106 is a database means in which channel usage statistics information is stored in real time according to the present embodiment. For example, a flash memory, specifically, an EEPROM (Electrically Erasable Programmable Read Only Memory) may be applied. have. At this time, the channel usage statistics information, the specific frequency of using the channel, the frequency of use of the specific channel for each time zone, channel and time information when the system power on / off, etc., the control unit 102 with reference to such information statistically by time zone Determine the channel with the highest probability of occurrence.

The channel setting information DB 108 is a means for databaseting the channel information determined by the controller 102, that is, the channel information to be loaded when the system is initially driven. Like the channel usage information DB 106 described above, the flash memory series EEPROM can be applied.

Hereinafter, the initial channel setting process of the DMB receiver according to the preferred embodiment of the present invention together with the above-described configuration will be described in detail with reference to the flowchart of FIG. 2.

As shown in FIG. 2, in step S200, the controller 102 determines whether the DMB receiver is initialized, and if not, proceeds to step S202. At this time, the initialization of the DMB receiver means, for example, a state in which the power of the system is turned off and then on again.

In step S202, the controller 102 determines whether the channel usage information of the preset sample exists in the channel usage information DB 106, and if the channel usage information of the preset sample exists, the controller 102 performs the step S204. Proceeds to setting the corresponding channel in the channel setting information DB 108 as the initial driving channel. At this time, the reason for determining the preset sample is to exclude this as much as the wrong channel may be set until a certain number of threshold samples are collected due to the characteristics of statistics.

On the other hand, if the system is initialized as a result of the determination of step S200, the control unit 102 proceeds to step S206.

In step S206, the control unit 102 analyzes the frequency of use of a specific channel through the channel usage information DB 106. That is, when a user frequently uses a channel, such usage information is statistically calculated in the channel usage information DB 106, and the control unit 102 may analyze the frequency of use of a specific channel through the statistical information.

In step S208, the control unit 102 analyzes the frequency of use for each particular channel through the channel usage information DB 106. That is, the information on which time zone the channel frequently used by the user is mainly applied is statisticalized in the channel usage information DB 106, and the control unit 102 uses the statistical information to determine the frequency of use of the specific channel by time zone. Can be analyzed.

In step S210, the controller 102 analyzes channel and time information when the system is powered on / off. That is, the time zone and channel information when the system is powered on or off are statistically calculated in the channel usage information DB 106, and the control unit 102 uses the statistical information to time and channel information when the system is powered on / off. Can be analyzed.

In step S212, the control unit 102 statistics the channel usage information as described above, that is, the frequency of use of a specific channel, the frequency of use of a specific channel for each time zone, channel and time information when the system is turned on or off, and the like.

When the statistical work is completed, the control unit 102 proceeds to step S214 to set the channel having the highest occurrence probability statistically as the system initial driving channel in step S214. The initial driving channel information thus set is stored in the channel setting information DB 108.

Then, when the user powers on the system again to initially drive the DMB receiver, the user may be loaded into the channel in consideration of the user's preference stored in the channel setting information DB 108.

As described above, the present invention implements such that the user preference channel can be automatically loaded at the time of initial system driving by initializing the channel usage information of the user in a mobile broadcasting system such as DMB.

According to the present invention, by setting the system initial driving channel in consideration of the user's channel usage preference in a mobile broadcasting system such as DMB, it is possible to increase the user's convenience and improve user satisfaction.

As mentioned above, although this invention was demonstrated concretely based on the Example, this invention is not limited to this Example, Of course, various changes are possible within the technical idea and the scope of the following claim.

Claims (6)

A system initial driving channel setting method in a mobile broadcasting system, Analyzing the frequency of use of a particular channel when the mobile broadcasting system is initialized; Analyzing the frequency of use of the specific channel for each time zone; Analyzing channel and time information when the mobile broadcasting system is powered on / off; Performing statistical statistics on the frequency of use of the specific channel, frequency of use of the specific channel, channel and time information when the mobile broadcasting system is powered on / off; Setting the channel having the highest probability of occurrence in each time zone as a system initial driving channel based on the integrated statistics; Initial channel setting method of a mobile broadcast system comprising a. The method of claim 1, The method, Determining whether channel usage information of a preset sample exists if the mobile broadcasting system is not initialized; Setting a channel corresponding to the channel usage information as an initial driving channel if the channel usage information of the preset sample exists. The initial channel setting method of the mobile broadcast system further comprising. The method according to claim 1 or 2, The initialization of the mobile broadcast system is the initial channel setting method of the mobile broadcast system, characterized in that the power is turned off and then on again. The method of claim 1, The specific channel usage frequency, the frequency of use of the specific channel for each time zone, the channel and time information when the power on / off of the mobile broadcasting system is a real-time database as a channel usage information, characterized in that the initial channel setting method . The method of claim 1, And the initial driving channel is databased as channel setting information. The method of claim 1, The mobile broadcasting system is a digital multimedia broadcasting receiver, the initial channel setting method of the mobile broadcasting system.

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