JP4065214B2 - Receivable channel information acquisition method in portable telephone with TV broadcast receiving function - Google Patents

Receivable channel information acquisition method in portable telephone with TV broadcast receiving function Download PDF

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Publication number
JP4065214B2
JP4065214B2 JP2003100420A JP2003100420A JP4065214B2 JP 4065214 B2 JP4065214 B2 JP 4065214B2 JP 2003100420 A JP2003100420 A JP 2003100420A JP 2003100420 A JP2003100420 A JP 2003100420A JP 4065214 B2 JP4065214 B2 JP 4065214B2
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Japan
Prior art keywords
channel information
receivable channel
base station
mobile phone
receivable
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Expired - Fee Related
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JP2003100420A
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Japanese (ja)
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JP2004312164A (en
Inventor
貴之 木田
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Sanyo Electric Co Ltd
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Sanyo Electric Co Ltd
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Description

【0001】
【発明の属する技術分野】
この発明は、テレビ放送受信機能付き携帯型電話機における受信可能チャンネル情報取得方法に関する。
【0002】
【従来の技術】
携帯型電話機として、地上波デジタルテレビ放送を受信する機能を備えたテレビ放送受信機能付き携帯型電話機が既に開発されている。この種のテレビ放送受信機能付き携帯型電話機では、携帯型電話機が移動することにより、放送受信エリアが変わった場合、受信可能なチャンネルに関する情報(受信可能チャンネル情報)を取得するために、周波数をスキャンして受信できるチャンネルを探索していくことによって、受信可能チャンネル情報を取得するといった受信可能チャンネル探索処理を実行させる必要がある。
【0003】
このため、携帯型電話機のユーザは、視聴しているテレビ放送が受信できなくなったときに、時間のかかる受信可能チャンネル探索処理を実行させる必要があり、使い勝手が悪いという問題がある。
【0004】
なお、受信可能チャンネル情報は、受信可能な各周波数、受信可能な各周波数に関する以下の3種類のID情報等からなる。
・REMOTE_CONTROL _KET _ID:どのプリセットキー(1−12)にそのチャンネルを割り当てるかを表すID
・SERVICE _ID:実際のサービスIDであり、地域識別、地域事業者番号、サービス種別を含む
・NETWORK _ID:ネットワークID
【0005】
【発明が解決しようとする課題】
この発明は、受信可能チャンネル探索処理の実行回数を低減化させることができ、使い勝手が良くなるテレビ放送受信機能付き携帯型電話機における受信可能チャンネル情報取得方法を提供することを目的とする。
【0006】
【課題を解決するための手段】
請求項1に記載の発明は、地上波デジタルテレビ放送を受信する機能を備えたテレビ放送受信機能付き携帯型電話機における受信可能チャンネル情報取得方法において、テレビ放送受信機能付き携帯型電話機は、通信している基地局が変わったときに、新しい基地局に受信可能チャンネル情報を要求し、この要求を受けた基地局は、自己が受信可能チャンネル情報を保持している場合には、保持している受信可能チャンネル情報をテレビ放送受信機能付き携帯型電話機に送信し、自己が受信可能チャンネル情報を保持していない場合には、受信可能チャンネル情報を保持していない旨をテレビ放送受信機能付き携帯型電話機に送信し、基地局から受信可能チャンネル情報が送信されてきた場合には、テレビ放送受信機能付き携帯型電話機は、その受信可能チャンネル情報を受信することにより、受信可能チャンネル情報を取得し、基地局から受信可能チャンネル情報を保持していない旨が送信されてきた場合には、テレビ放送受信機能付き携帯型電話機は、受信可能チャンネル探索処理を行うことにより受信可能チャンネル情報を取得するとともに、取得した受信可能チャンネル情報を基地局に送信し、基地局は、受信可能チャンネル情報を受信した場合には、受信した受信可能チャンネル情報を、その基地局が存在する地域に応じた、地上波デジタルテレビ放送の受信可能チャンネル情報として保持することを特徴とする。
【0008】
【発明の実施の形態】
以下、図面を参照して、この発明の実施の形態について説明する。
【0009】
〔1〕第1の実施の形態の説明
第1の実施の形態では、テレビ放送受信機能付き携帯電話機の通信のために用いられる各基地局(中継局)は、その基地局が存在する地域に応じた、地上波デジタルテレビ放送の受信可能チャンネル情報を保持しているものとする。
【0010】
各基地局がその基地局が存在する地域に応じた受信可能チャンネル情報を取得する方法としては、例えば、次のような方法が考えられる。
【0011】
各地域毎の受信可能チャンネル情報を保持しているサーバからその基地局が存在する地域に応じた受信可能チャンネル情報を取得する。あるいは、その基地局においてデジタルテレビ放送受信機に実際に受信可能チャンネル探索処理を行わせることにより、その基地局が存在する地域に応じた、地上波デジタルテレビ放送の受信可能チャンネル情報を取得する。
【0012】
図1は、テレビ放送受信機能付き携帯型電話機の受信可能チャンネル情報取得処理手順を示している。
【0013】
テレビ放送受信機能付き携帯型電話機(以下、単に携帯型電話機という)は、当該携帯型電話機と通信を行う基地局が変化したか否かを判別する(ステップ1)。
【0014】
携帯型電話機と通信を行う基地局が変化した場合には、携帯型電話機は、新しい基地局に対して、受信可能チャンネル情報を要求する(ステップ2)。基地局は、携帯型電話機から受信可能チャンネル情報が要求された場合には、保持している受信可能チャンネル情報を当該携帯型電話機に送信する。
【0015】
携帯型電話機は、基地局から送信された受信可能チャンネル情報を受信すると、受信可能チャンネル情報から地上波デジタルテレビ放送の規格に従ってチャンネルリストを構築して、受信可能なチャンネルをプリセットキーに割り当てる(ステップ3)。これにより、携帯型電話機は、テレビ放送が受信可能な状態となる(ステップ4)。
【0016】
〔2〕第2の実施の形態の説明
第2の実施の形態では、携帯電話機の通信のために用いられる各基地局(中継局)は、最初は、その基地局が存在する地域に応じた受信可能チャンネル情報を保持していない。そして、後述するように、任意の携帯型電話機から、受信可能チャンネル情報が送られくると、その受信可能チャンネル情報を受信して保持する。
【0017】
図2は、テレビ放送受信機能付き携帯型電話機の受信可能チャンネル情報取得処理手順を示している。
【0018】
携帯型電話機は、当該携帯型電話機と通信を行う基地局が変化したか否かを判別する(ステップ11)。
【0019】
携帯型電話機と通信を行う基地局が変化した場合には、携帯型電話機は、新しい基地局に対して、受信可能チャンネル情報を要求する(ステップ12)。基地局は、携帯型電話機から受信可能チャンネル情報が要求されたときには、基地局が受信可能チャンネル情報を保持している場合には、保持している受信可能チャンネル情報を当該携帯型電話機に送信する。一方、基地局が受信可能チャンネル情報を保持していない場合には、受信可能チャンネル情報を保持していない旨を当該携帯型電話機に送信する。
【0020】
携帯型電話機は、受信可能チャンネル情報または受信可能チャンネル情報を保持していない旨が、基地局から送られてくるのを待つ(ステップ13、14)。
【0021】
基地局からの受信可能チャンネル情報を受信した場合には(ステップ13でYES)、携帯型電話機は、受信可能チャンネル情報から地上波デジタルテレビ放送の規格に従ってチャンネルリストを構築して、受信可能なチャンネルをプリセットキーに割り当てる(ステップ15)。これにより、テレビ放送が受信可能な状態となる(ステップ18)。
【0022】
受信可能チャンネル情報を保持していない旨を受信した場合には(ステップ14でYES)、携帯型電話機は、受信可能チャンネル探索処理を実行する(ステップ16)。これにより、受信可能チャンネル情報が取得されるので、チャンネルリストが構築され、受信可能なチャンネルがプリセットキーに割り当てられる。
【0023】
この後、携帯型電話機は、受信可能チャンネル探索処理によって得られた受信可能チャンネル情報を、上記基地局に送信する(ステップ17)。この後、携帯型電話機は、テレビ放送が受信可能な状態となる(ステップ18)。なお、基地局は、携帯型電話機から受信可能チャンネル情報が送られてくると、これを受信し、受信した受信可能チャンネル情報をその基地局が存在する地域に応じた受信可能チャンネル情報として保持する。
【0024】
【発明の効果】
この発明によれば、受信可能チャンネル探索処理の実行回数を低減化させることができ、使い勝手が良くなるテレビ放送受信機能付き携帯型電話機が得られる。
【図面の簡単な説明】
【図1】テレビ放送受信機能付き携帯型電話機の受信可能チャンネル情報取得処理手順を示すフローチャートである。
【図2】テレビ放送受信機能付き携帯型電話機の受信可能チャンネル情報取得処理手順の他の例を示すフローチャートである。
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a receivable channel information acquisition method in a portable telephone with a television broadcast receiving function.
[0002]
[Prior art]
As portable telephones, portable telephones with a TV broadcast receiving function having a function of receiving terrestrial digital TV broadcasts have already been developed. In this type of mobile phone with a TV broadcast reception function, when the mobile phone moves and the broadcast reception area changes, the frequency is set to obtain information about receivable channels (receivable channel information). It is necessary to execute a receivable channel search process such as acquiring receivable channel information by searching for a receivable channel by scanning.
[0003]
For this reason, there is a problem in that the user of the mobile phone needs to execute a receivable channel search process that takes time when the television broadcast being viewed cannot be received.
[0004]
The receivable channel information includes each frequency that can be received and the following three types of ID information related to each frequency that can be received.
REMOTE_CONTROL_KET_ID: ID indicating which preset key (1-12) the channel is assigned to
-SERVICE_ID: actual service ID, including area identification, area operator number, and service type-NETWORK_ID: network ID
[0005]
[Problems to be solved by the invention]
An object of the present invention is to provide a method of acquiring receivable channel information in a mobile phone with a TV broadcast receiving function, which can reduce the number of executions of the receivable channel search process and is easy to use.
[0006]
[Means for Solving the Problems]
The invention described in claim 1 is a method for acquiring receivable channel information in a portable telephone with a television broadcast receiving function having a function of receiving a terrestrial digital television broadcast, wherein the portable telephone with a television broadcast receiving function communicates. When a new base station changes, it requests the receivable channel information from the new base station, and the base station that has received this request retains the receivable channel information if it is retained. Receivable channel information is transmitted to a mobile phone with a TV broadcast reception function, and if it does not hold the receivable channel information, it indicates that it does not hold the receivable channel information. When a mobile phone with a TV broadcast reception function is transmitted to the telephone and the receivable channel information is transmitted from the base station, If the mobile station with the TV broadcast receiving function receives a message indicating that it does not hold the receivable channel information from the base station, the mobile phone with a TV broadcast receiving function The receivable channel information is acquired by performing receivable channel search processing, and the acquired receivable channel information is transmitted to the base station. When the base station receives the receivable channel information, the received reception information is received. The possible channel information is held as receivable channel information of digital terrestrial television broadcasting according to the area where the base station exists.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
[0009]
[1] Description of First Embodiment In the first embodiment, each base station (relay station) used for communication of a mobile phone with a television broadcast receiving function is located in an area where the base station exists. The corresponding terrestrial digital television broadcast receivable channel information is held.
[0010]
For example, the following method is conceivable as a method for each base station to acquire receivable channel information corresponding to the area in which the base station exists.
[0011]
Receivable channel information corresponding to the region where the base station exists is acquired from a server holding the receivable channel information for each region. Alternatively, the base station can cause the digital television broadcast receiver to actually perform a receivable channel search process, thereby acquiring receivable channel information of the terrestrial digital television broadcast corresponding to the region where the base station exists.
[0012]
FIG. 1 shows a receivable channel information acquisition processing procedure of a mobile phone with a TV broadcast receiving function.
[0013]
A mobile phone with a TV broadcast receiving function (hereinafter simply referred to as a mobile phone) determines whether or not the base station that communicates with the mobile phone has changed (step 1).
[0014]
When the base station that communicates with the mobile phone changes, the mobile phone requests receivable channel information from the new base station (step 2). When the receivable channel information is requested from the mobile phone, the base station transmits the held receivable channel information to the mobile phone.
[0015]
When the portable telephone receives the receivable channel information transmitted from the base station, it builds a channel list from the receivable channel information according to the terrestrial digital television broadcast standard, and assigns the receivable channels to the preset keys (steps). 3). As a result, the mobile phone is ready to receive a television broadcast (step 4).
[0016]
[2] Description of the Second Embodiment In the second embodiment, each base station (relay station) used for communication of a mobile phone initially corresponds to the area in which the base station exists. Receivable channel information is not held. As will be described later, when receivable channel information is sent from any portable telephone, the receivable channel information is received and held.
[0017]
FIG. 2 shows a receivable channel information acquisition processing procedure of the mobile phone with a TV broadcast receiving function.
[0018]
The mobile phone determines whether or not the base station that communicates with the mobile phone has changed (step 11).
[0019]
When the base station that communicates with the mobile phone changes, the mobile phone requests receivable channel information from the new base station (step 12). When the base station holds the receivable channel information, when the base station holds the receivable channel information, the base station transmits the held receivable channel information to the mobile phone. . On the other hand, when the base station does not hold the receivable channel information, the base station transmits to the mobile phone that the receivable channel information is not held.
[0020]
The mobile phone waits for a receivable channel information or a message indicating that it does not hold receivable channel information from the base station (steps 13 and 14).
[0021]
When the receivable channel information is received from the base station (YES in step 13), the mobile phone constructs a channel list from the receivable channel information according to the standard of terrestrial digital television broadcasting, and can receive the channel. Are assigned to preset keys (step 15). As a result, the television broadcast can be received (step 18).
[0022]
When it is received that the receivable channel information is not held (YES in step 14), the mobile phone executes a receivable channel search process (step 16). As a result, the receivable channel information is acquired, so that a channel list is constructed and receivable channels are assigned to the preset keys.
[0023]
Thereafter, the mobile phone transmits the receivable channel information obtained by the receivable channel search process to the base station (step 17). Thereafter, the mobile phone is ready to receive a television broadcast (step 18). When the base station receives receivable channel information from the mobile phone, the base station receives this information, and holds the received receivable channel information as receivable channel information corresponding to the region where the base station exists. .
[0024]
【The invention's effect】
According to the present invention, it is possible to reduce the number of executions of the receivable channel search process, and it is possible to obtain a mobile phone with a TV broadcast receiving function that is easy to use.
[Brief description of the drawings]
FIG. 1 is a flowchart showing a receivable channel information acquisition processing procedure of a mobile phone with a TV broadcast receiving function.
FIG. 2 is a flowchart showing another example of the receivable channel information acquisition processing procedure of the mobile phone with a TV broadcast reception function.

Claims (1)

地上波デジタルテレビ放送を受信する機能を備えたテレビ放送受信機能付き携帯型電話機における受信可能チャンネル情報取得方法において、
テレビ放送受信機能付き携帯型電話機は、通信している基地局が変わったときに、新しい基地局に受信可能チャンネル情報を要求し、
この要求を受けた基地局は、自己が受信可能チャンネル情報を保持している場合には、保持している受信可能チャンネル情報を上記テレビ放送受信機能付き携帯型電話機に送信し、自己が受信可能チャンネル情報を保持していない場合には、受信可能チャンネル情報を保持していない旨を上記テレビ放送受信機能付き携帯型電話機に送信し、
上記基地局から受信可能チャンネル情報が送信されてきた場合には、上記テレビ放送受信機能付き携帯型電話機は、その受信可能チャンネル情報を受信することにより、受信可能チャンネル情報を取得し、
上記基地局から受信可能チャンネル情報を保持していない旨が送信されてきた場合には、上記テレビ放送受信機能付き携帯型電話機は、受信可能チャンネル探索処理を行うことにより受信可能チャンネル情報を取得するとともに、取得した受信可能チャンネル情報を上記基地局に送信し、
上記基地局は、受信可能チャンネル情報を受信した場合には、受信した受信可能チャンネル情報を、その基地局が存在する地域に応じた、地上波デジタルテレビ放送の受信可能チャンネル情報として保持することを特徴とするテレビ放送受信機能付き携帯型電話機における受信可能チャンネル情報取得方法。
In a receivable channel information acquisition method in a portable telephone with a TV broadcast receiving function having a function of receiving a terrestrial digital TV broadcast,
When a mobile phone with a TV broadcast reception function changes the base station with which it is communicating, it requests the receivable channel information from the new base station,
If the base station that has received this request holds the receivable channel information, it transmits the held receivable channel information to the mobile phone with the TV broadcast receiving function and can receive it. If the channel information is not held, the fact that the receivable channel information is not held is transmitted to the mobile phone with the TV broadcast receiving function,
When receivable channel information is transmitted from the base station, the mobile phone with the TV broadcast receiving function acquires the receivable channel information by receiving the receivable channel information,
When a message indicating that no receivable channel information is held is transmitted from the base station, the mobile phone with the TV broadcast receiving function acquires receivable channel information by performing a receivable channel search process. Along with sending the acquired receivable channel information to the base station,
When the base station receives receivable channel information, the base station holds the received receivable channel information as receivable channel information for terrestrial digital television broadcasts according to the area where the base station exists. A receivable channel information acquisition method for a portable telephone with a TV broadcast reception function.
JP2003100420A 2003-04-03 2003-04-03 Receivable channel information acquisition method in portable telephone with TV broadcast receiving function Expired - Fee Related JP4065214B2 (en)

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JP2009506644A (en) * 2005-08-24 2009-02-12 トムソン ライセンシング A method for mobile acquisition of digital terrestrial television programs in the presence of multiple transmission areas.
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