JP2010154154A5 - - Google Patents
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- JP2010154154A5 JP2010154154A5 JP2008329146A JP2008329146A JP2010154154A5 JP 2010154154 A5 JP2010154154 A5 JP 2010154154A5 JP 2008329146 A JP2008329146 A JP 2008329146A JP 2008329146 A JP2008329146 A JP 2008329146A JP 2010154154 A5 JP2010154154 A5 JP 2010154154A5
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- information
- reception status
- division
- broadcast communication
- receiving
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- 230000001702 transmitter Effects 0.000 claims 3
Claims (8)
前記送信装置は， The transmitter is
一の情報を複数の分割情報に分割する情報分割手段， Information dividing means for dividing one piece of information into a plurality of pieces of divided information;
前記分割情報に当該分割情報を特定する分割特定情報を付加する分割特定情報付加手段， Division identification information adding means for adding division identification information for identifying the division information to the division information;
前記分割特定情報が付加された前記分割情報を同報通信により送信する同報通信手段， Broadcast communication means for transmitting the division information to which the division specific information is added by broadcast communication;
を有し， Have
前記受信装置は， The receiver is
前記分割情報を受信する分割情報受信手段， Division information receiving means for receiving the division information;
前記分割情報から前記分割特定情報を抽出する分割特定情報抽出手段， Division identification information extracting means for extracting the division identification information from the division information;
前記一の情報について，前記分割特定情報を用いて前記分割情報の受信状況を判断する分割情報受信状況判断手段， Division information reception status determination means for determining the reception status of the division information using the division specific information for the one information;
前記受信状況に基づき，前記分割情報のそれぞれを取得したか否かを示す情報として当該分割情報毎にビットの値を用いて表した受信状況情報を有する受信状況報告情報を生成する受信状況報告情報生成手段， Reception status report information for generating reception status report information having reception status information represented by using a bit value for each division information as information indicating whether or not each of the division information has been acquired based on the reception status Generating means,
前記受信状況報告情報を同報通信により送信する受信状況報告情報送信手段， Reception status report information transmitting means for transmitting the reception status report information by broadcast communication;
を有し，Have
前記送信装置は， The transmitter is
前記受信状況報告情報を受信する受信状況報告情報受信手段， Reception status report information receiving means for receiving the reception status report information;
前記受信状況報告情報から前記受信状況情報を抽出する受信状況情報抽出手段， Reception status information extracting means for extracting the reception status information from the reception status report information;
前記受信状況情報の値を前記分割情報毎に論理演算することによって，前記受信装置のそれぞれについて前記分割情報の前記受信状況を判断する判断手段， Judgment means for judging the reception status of the division information for each of the receiving devices by performing a logical operation on the value of the reception status information for each division information;
いずれかの前記受信装置が受信していないと判断した前記分割情報を同報通信により送信する再送信手段， Re-transmission means for transmitting the division information determined not to be received by any of the receiving devices by broadcast communication,
を有すること， Having
を特徴とする同報通信システム。 Broadcast communication system characterized by.
前記判断手段は，さらに， The determination means further includes:
前記各受信装置から取得した前記受信状況情報に基づいて，受信していない前記受信装置が多いと判断した前記分割情報が優先的に送信されるよう順位付けを行うこと， Based on the reception status information acquired from each of the receiving devices, ranking is performed so that the division information determined to have a large number of receiving devices that have not been received is transmitted with priority.
を特徴とする同報通信システム。 A broadcast communication system characterized by the above.
前記受信装置は，さらに， The receiving device further includes:
前記受信状況報告情報を受信する受信状況報告情報受信手段， Reception status report information receiving means for receiving the reception status report information;
前記受信状況報告情報から前記受信状況情報を抽出する受信状況情報抽出手段， Reception status information extracting means for extracting the reception status information from the reception status report information;
を有し， Have
前記受信状況報告情報生成手段は，さらに， The reception status report information generating means further includes:
前記受信状況情報に基づき，他の前記受信装置において取得していない前記分割情報については，自らの受信状況において取得したとすること， Based on the reception status information, the division information that has not been acquired in the other receiving device is acquired in its own reception status,
を特徴とする同報通信システム。 A broadcast communication system characterized by the above.
前記受信装置は，さらに， The receiving device further includes:
前記受信状況報告情報を受信する受信状況報告情報受信手段， Reception status report information receiving means for receiving the reception status report information;
前記受信状況報告情報から前記受信状況情報を抽出する受信状況情報抽出手段， Reception status information extracting means for extracting the reception status information from the reception status report information;
前記受信状況情報に基づき，自らが取得している前記分割情報であって，いずれかの前記受信装置が受信していないと判断した前記分割情報を同報通信により送信する再送信手段， Re-transmission means for transmitting the division information that is acquired by itself based on the reception status information and that has been received by any one of the receiving devices by broadcast communication;
を有すること， Having
を特徴とする同報通信システム。 A broadcast communication system characterized by the above.
前記分割情報を特定する分割特定情報が付加された分割情報を受信する分割情報受信手段， Division information receiving means for receiving division information to which division identification information for identifying the division information is added;
前記分割情報から前記分割特定情報を抽出する分割特定情報抽出手段， Division identification information extracting means for extracting the division identification information from the division information;
前記一の情報について，前記分割特定情報を用いて前記分割情報の受信状況を判断する分割情報受信状況判断手段， Division information reception status determination means for determining the reception status of the division information using the division specific information for the one information;
前記受信状況に基づき，前記分割情報のそれぞれを取得したか否かを示す情報として当該分割情報毎にビットの値を用いて表した受信状況情報を有する受信状況報告情報を生成する第１の受信状況報告情報生成手段， First reception for generating reception status report information having reception status information expressed using a bit value for each division information as information indicating whether or not each of the division information has been acquired based on the reception status Status report information generation means,
前記受信状況報告情報を同報通信により送信する受信状況報告情報送信手段，を有するとともに， Receiving status report information transmitting means for transmitting the reception status report information by broadcast communication;
他の同報通信装置からの前記受信状況報告情報を受信する受信状況報告情報受信手段， Reception status report information receiving means for receiving the reception status report information from other broadcast communication devices;
前記受信状況報告情報から前記受信状況情報を抽出する受信状況情報抽出手段， Reception status information extracting means for extracting the reception status information from the reception status report information;
他の前記同報通信装置から取得した前記受信状況情報と，自らの前記受信状況情報の値とを論理演算することによって，前記分割情報の前記受信状況を判断する手段， Means for determining the reception status of the division information by performing a logical operation on the reception status information acquired from the other broadcast communication device and the value of the reception status information of itself;
他の前記同報通信装置において取得していない前記分割情報については，自らの前記受信状況において取得したとする第２の受信状況報告情報生成手段， A second reception status report information generating means for acquiring the division information not acquired in the other broadcast communication device in the reception status of the device;
を備えることを特徴とする同報通信装置。 A broadcast communication device comprising:
前記分割情報を特定する分割特定情報が付加された分割情報を受信する分割情報受信手段， Division information receiving means for receiving division information to which division identification information for identifying the division information is added;
前記分割情報から前記分割特定情報を抽出する分割特定情報抽出手段， Division identification information extracting means for extracting the division identification information from the division information;
前記一の情報について，前記分割特定情報を用いて前記分割情報の受信状況を判断する分割情報受信状況判断手段， Division information reception status determination means for determining the reception status of the division information using the division specific information for the one information;
前記受信状況に基づき，前記分割情報のそれぞれを取得したか否かを示す情報として当該分割情報毎にビットの値を用いて表した受信状況情報を有する受信状況報告情報を生成する受信状況報告情報生成手段， Reception status report information for generating reception status report information having reception status information represented by using a bit value for each division information as information indicating whether or not each of the division information has been acquired based on the reception status Generating means,
前記受信状況報告情報を同報通信により送信する受信状況報告情報送信手段，を有するとともに， Receiving status report information transmitting means for transmitting the reception status report information by broadcast communication;
他の同報通信装置からの前記受信状況報告情報を受信する受信状況報告情報受信手段， Reception status report information receiving means for receiving the reception status report information from other broadcast communication devices;
前記受信状況報告情報から前記受信状況情報を抽出する受信状況情報抽出手段， Reception status information extracting means for extracting the reception status information from the reception status report information;
前記受信状況報告情報から抽出した前記受信状況情報の値と自らの前記受信状況情報の値とを論理演算することによって，自らが取得している前記分割情報であって，他の前記同報通信装置が受信していないと判断した前記分割情報を同報通信により送信する再送信手段， The divided information acquired by the logical operation of the value of the reception status information extracted from the reception status report information and the value of the reception status information of itself, and the other broadcast communication Re-transmission means for transmitting the division information determined to be not received by the apparatus by broadcast communication;
を備えることを特徴とする同報通信装置。A broadcast communication device comprising:
前記情報に関して前記他の同報通信装置の受信状況を示す受信状況報告情報を受信する受信状況報告情報受信手段， Reception status report information receiving means for receiving reception status report information indicating the reception status of the other broadcast communication device with respect to the information;
前記受信状況報告情報から，他の同報通信装置において一の情報が複数に分割された分割情報のそれぞれを取得したか否かを示す情報として当該分割情報毎にビットの値を用いて表した受信状況情報を抽出する受信状況情報抽出手段， Expressed from the reception status report information as information indicating whether or not each piece of divided information obtained by dividing one piece of information in another broadcast communication device has been acquired using a bit value for each piece of divided information. Reception status information extracting means for extracting reception status information;
複数の前記他の同報通信装置から取得した前記受信状況報告情報から抽出した前記受信状況情報の値を前記分割情報毎に論理演算することによって，前記他の同報通信装置のそれぞれについて前記分割情報の受信状況を判断する判断手段， For each of the other broadcast communication devices, a logical operation is performed on the value of the reception status information extracted from the reception status report information acquired from the plurality of other broadcast communication devices for each of the division information. Judgment means for judging the reception status of information,
いずれかの前記他の同報通信装置が受信していないと判断した前記分割情報を同報通信により送信する再送信手段， Re-transmission means for transmitting the division information determined not to be received by any of the other broadcast communication devices by broadcast communication;
を備えることを特徴とする同報通信装置。A broadcast communication device comprising:
前記判断手段は，さらに， The determination means further includes:
前記各他の同報通信装置から取得した前記受信状況情報に基づき，受信していない前記同報通信装置が多いと判断した前記分割情報が優先的に送信されるよう順位付けを行うこと， Based on the reception status information acquired from each of the other broadcast communication devices, ranking is performed so that the division information determined to have a large number of broadcast communication devices that have not been received is preferentially transmitted.
を特徴とする同報通信装置。 Broadcast communication device characterized by the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008329146A JP2010154154A (en) | 2008-12-25 | 2008-12-25 | Broadcast communication system and broadcast communication apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008329146A JP2010154154A (en) | 2008-12-25 | 2008-12-25 | Broadcast communication system and broadcast communication apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010154154A JP2010154154A (en) | 2010-07-08 |
| JP2010154154A5 true JP2010154154A5 (en) | 2011-06-16 |
Family
ID=42572728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008329146A Pending JP2010154154A (en) | 2008-12-25 | 2008-12-25 | Broadcast communication system and broadcast communication apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2010154154A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5618217B2 (en) * | 2012-01-19 | 2014-11-05 | Ｎｅｃプラットフォームズ株式会社 | Broadcast distribution system, distribution server, broadcast distribution method and program |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0787091A (en) * | 1993-06-30 | 1995-03-31 | Clarion Co Ltd | Centralized radio communication system |
| JP3392742B2 (en) * | 1997-12-22 | 2003-03-31 | 株式会社野村総合研究所 | Multi-station simultaneous distribution system for automatic recovery of missing data and distribution method thereof |
| EP1746773A1 (en) * | 2004-06-02 | 2007-01-24 | Matsushita Electric Industrial Co., Ltd. | Radio transmission method |
| JP4680860B2 (en) * | 2006-09-29 | 2011-05-11 | 富士通株式会社 | Data communication method |
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2008
- 2008-12-25 JP JP2008329146A patent/JP2010154154A/en active Pending
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