TW201112761A - A set-top box and video-on-demand method of the set-top box - Google Patents

A set-top box and video-on-demand method of the set-top box Download PDF

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TW201112761A
TW201112761A TW98133290A TW98133290A TW201112761A TW 201112761 A TW201112761 A TW 201112761A TW 98133290 A TW98133290 A TW 98133290A TW 98133290 A TW98133290 A TW 98133290A TW 201112761 A TW201112761 A TW 201112761A
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video
demand
client unit
service quality
wimax
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TW98133290A
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Chinese (zh)
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TWI414184B (en
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Han-Tzung Lin
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Hon Hai Prec Ind Co Ltd
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Abstract

The present invention provides a set-top box. The set-top box can provide QoS (quality of service) for video on demand based on WiMAX, improve performance of video on demand based on WiMAX. A related method is also disclosed.

Description

201112761 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及一種機頂盒及其視頻點播方法。 [0002] 【先前技術】 VOD (video-on-demand)是視頻點播技術的簡稱，也 稱為互動式視頻點播系統，即根據用戶的需要播放相對 應的視頻節目。WiMAX (全球微波接入互通）是一項新興 的寬頻無線接入技術’是針對微波和毫米波頻段提出的 〇 一種新的空中介面標準。相對於目前廣泛使用的WCDMA和 CDMA技術’ WiMAX不僅資料傳輸距離較遠，而且還具有 QoS (服務品質）保障、傳"輸速率高、業務豐富多樣等優 點。因此’如何實現在WiMAX網路中提供視頻點播服務品 質保證將是一門重要的研究課題。然而Γ1前的Wi MAX系 統中只定義空口的局部資訊，在整個WiMAX接入網端到端 的QoS參數和流程定義都是空白，在WiMAX系統中還無法 為不同的用戶提供不同的政務品贺保證β 4 〇 [0003] 【發明内容】 “ f _ = 鑒於以上内容’有必要提供一種戒頂盒及其視頻點播方 法，可以給基於WiMAX網路的視頻點播提供客制化的服務 品質保證，提高了無線網路視頻點播系統的性能。 [0004] 一種機頂盒，該機頂盒透過WiMAX基站與視頻點播伺服器 進行通信’該機頂盒包括視頻點播用戶端單元和WiMAX用 戶端單元’其中：所述視頻點播用戶端單元，用於發送 視頻設置請求給視頻點播伺服器，接收視頻點播伺服器 返回的視頻檔案資訊和視頻點播用戶端單元的服務品質 098133290 表單編號A0101 第3頁/共14頁 0982056986-0 201112761 資訊’對所接收的服務品質資訊進行修改，以得到客制 化服務品質資訊，並將客制化服務品質資訊發送給WiMAX 用戶端單元；WiMAX用戶端單元，用於接收從所述視頻點 播用戶端發送來的客制化服務品質資訊，並發送包含所 述客制化服務品質資訊的服務品質設置請求給WiMAX基站 ;所述視頻點播用戶端單元還用於發送視頻播放請求給 視頻點播伺服器’接收視頻點播伺服器返回的視頻檔案 資料流，所述返回的視頻檔案資料流由WiMAX基站按照所 述客制化服務品質資訊提供服務品質保證。 [0005] —種機頂盒視頻點播方法，該機頂盒透過WiMAX基站與視 頻點播伺服器進行通信，該機'頂盒包括視頻:點播用戶端 單元和WiMAX用戶端單元，該方法包括步驟：視頻點播用 戶端單元發送視頻檔案設置請求給視頻點播伺服器；視 頻點播伺服器接收視頻檔案設置請求，並返回視頻檔案 資訊和視頻點播用戶端單元的服務品質資訊給視頻點播 用戶端單元；視頻點播用戶端單元對所接收的服務品質 資訊進行修改，以得到客制化服務品質資訊，並將客制 化服務品質資訊發送給WiMAX用戶端單元；WiMAX用戶端 單元接收從所述視頻點播用戶端發送來的客制化服務品 質資訊，並發送包含所述客制化服務品質資訊的服務品 質設置請求給WiMAX基站；視頻點播用戶端單元發送視頻 播放請求給視頻點播伺服器；及視頻點播飼服器返回的 視頻檔案資料流給視頻點播用戶端單元’所述返回的視 頻檔案資料流由WiMAX基站按照所述客制化服務品質資訊 提供服務品質保證。 098133290 表單編號A0101 第4頁/共14頁 0982056986-0 201112761 [0006] 相較於習知技術’所述的機頂盒及其視頻點播方法，可 [0007] 以給基於WiMAX網路的視頻點播提供客制化的服務品質保 證，為基於WiMAX網路的視頻點播系統提供了更為合理的 服務品質參數’提高了無線網路視頻點播系統的性能。 【實施方式】 如圖1所示，係本發明機頂盒較佳實施例的硬體架構圖。 所述機頂盒1透過WiMAX網路與WiMAX基站2相連，WiMAX 基站2透過網際網路3與VOD伺服器4相連。 0 [0008] 所述VOD伺服器4中儲存有VOD用戶端單元1〇的Q〇S資訊。 在本實施例中，所述QoS資訊包括.：resource-al-location (資源配置’用來定義資源配置的優先權高低 )，admission-control (許可權控制，當系統達到一 ..處丨 息以w㈣ 定負荷時，用來定義使用者資源使用的優先順序）， 〇 congestion-control (擁塞控制，當系統資源吃緊時 ’用來定義資料包丢棄的優先順序）_，buffering (緩 衝，用來定義使用者資料包:緩灰區的大小5，schedu 1 -ing (排程’用來定義使用者，篱料，包排程的優先順序）， traffic-priority (業務處理優先順序，具體取值〇一7 )，max-sustained-traffic-rate (最大持續業務速 率，單位kbps) » min-reserved-traffic-rate (¾ 小預留業務速率’單位kbps) ，max-latency (最大時 延）。 [0009] 所述機頂盒1包括V0D用戶端單元1〇和WiMAX用戶端單元 12，其中： [0010] 098133290 所述V0D用戶端單元10用於發送視頻設置請求給v〇D伺服 表單編號A0101. 第5頁/共14頁 0982056986-0 201112761 器4。在本實施例中’所述視頻設置請求包括：所點播視 頻檔案的位址（例如： rtsp://172.17.131.26：5012/asset/vscontsrv:00 74000230)，信號傳輸所遵循的協定及版本（例如： RTSP/ 1.0)，命令序列號（例如：CSeq: 1)，V〇D用 戶端單元10所支援稽的格式和檀傳輪協定（例如： Transport: MP2T/H2221 /UDP)，接收文件的埠（例 如：destination = 10. 128. 1. 140:57984) ，用戶 端單元10所連接的網路（WiMAX網路）。 [0011] 所述V0D用戶端單元10還用於接收V0D伺服器4返回的視 頻檔案資訊和V0D用戶端單元}〇的Q〇S資訊。在本實施例 中，所述視頻檔案資訊包括：命令序列號（例如：CSeq: 1 ' ,ί·-* -- - Ζ,； 1)，時域（例如：session: 150563f5edl4af9d84) ’ VOD用戶端單元10所支援檔的格式和檔傳輸協定（例如 :Transport: MP2T/H2221/UDP)，接收文件的埠（ 例如：destination=10. 128. 1_ 140:57984 )，資料包 大小（例如：packet_size = 8648/8648/188 )，檔内 容類型（例如：content-type: application/sdp) ’標内容長度（例如：content-length: 495單位？） [0012]所述V0D用戶端單元1〇還用於對所接收的Q〇s資訊進行修 改，以得到客制化QoS資訊，並將客制化Q〇S資訊發送給 WiMAX用戶端單元12。 [0013] 098133290 所述WiMAX用戶端單元12用於接收所述客制化q〇s資訊，201112761 VI. Description of the Invention: [Technical Field of the Invention] [0001] The present invention relates to a set top box and a video on demand method thereof. [0002] VOD (video-on-demand) is an abbreviation of video on demand technology, which is also called an interactive video on demand system, that is, a corresponding video program is played according to the needs of the user. WiMAX (Worldwide Interoperability for Microwave Access) is an emerging broadband wireless access technology that is a new air interface standard for microwave and millimeter wave bands. Compared with the widely used WCDMA and CDMA technologies, WiMAX not only has a long data transmission distance, but also has the advantages of QoS (service quality) guarantee, high transmission rate, and rich and diverse services. Therefore, how to achieve quality assurance of video on demand services in WiMAX networks will be an important research topic. However, in the WiMAX system before Γ1, only the local information of the air interface is defined, and the end-to-end QoS parameters and process definitions of the entire WiMAX access network are blank. In the WiMAX system, different government gifts cannot be guaranteed for different users. β 4 〇 [0003] [Summary] "f _ = In view of the above content, it is necessary to provide a set-top box and its video on demand method, which can provide customized service quality assurance for video on demand based on WiMAX network, improve The performance of the wireless network video on demand system. [0004] A set top box that communicates with a video on demand server through a WiMAX base station 'The set top box includes a video on demand client unit and a WiMAX client unit' wherein: the video on demand user The end unit is configured to send a video setting request to the video on demand server, receive the video file information returned by the video on demand server, and the service quality of the video on demand client unit 098133290 Form No. A0101 Page 3 of 14 page 0982056986-0 201112761 Information 'Modify the received service quality information to obtain customized service products And sending the customized service quality information to the WiMAX client unit; the WiMAX client unit is configured to receive the customized service quality information sent from the video on demand client, and send the customized information The service quality setting service quality service request is sent to the WiMAX base station; the video on demand client unit is further configured to send a video play request to the video on demand server to receive the video archive data stream returned by the video on demand server, and the returned video file The data stream is guaranteed by the WiMAX base station according to the customized service quality information. [0005] A set-top box video on demand method, the set top box communicates with a video on demand server through a WiMAX base station, and the set top box includes video: The on-demand client unit and the WiMAX client unit, the method includes the steps of: the video on demand client unit sends a video file setting request to the video on demand server; the video on demand server receives the video file setting request, and returns the video file information and the video on demand user End unit service quality information for video on demand End unit; the video on demand client unit modifies the received service quality information to obtain customized service quality information, and sends the customized service quality information to the WiMAX client unit; the WiMAX client unit receives the The customized service quality information sent by the video on demand client, and sending a service quality setting request including the customized service quality information to the WiMAX base station; the video on demand client unit sends a video play request to the video on demand server; and The video archive data returned by the video on demanding device is sent to the video on demand client unit. The returned video archive data stream is provided by the WiMAX base station according to the customized service quality information to provide service quality assurance. 098133290 Form No. A0101 Page 4 of 14 0982056986-0 201112761 [0006] Compared to the set-top box described in the prior art and its video on demand method, [0007] to provide a video on demand for WiMAX-based video on demand The quality of service guarantees provide a more reasonable quality of service parameter for video-on-demand systems based on WiMAX networks, which improves the performance of wireless network video on demand systems. [Embodiment] FIG. 1 is a hardware structural diagram of a preferred embodiment of a set top box of the present invention. The set top box 1 is connected to the WiMAX base station 2 via a WiMAX network, and the WiMAX base station 2 is connected to the VOD server 4 via the Internet 3. [0008] The VOD server 4 stores the Q〇S information of the VOD client unit 1〇. In this embodiment, the QoS information includes: resource-al-location (resource configuration is used to define the priority of resource configuration), admission-control (permission control, when the system reaches one.. When w (four) is fixed, it is used to define the priority of user resource usage), 〇congestion-control (congestion control, when system resources are tight) is used to define the priority of packet discarding)_,buffering To define the user data package: the size of the slow gray area 5, scheme 1 -ing (schedule 'used to define the priority of the user, the fence, the package schedule), traffic-priority (the business processing priority order, specifically take Value 〇7), max-sustained-traffic-rate (minimum sustained service rate in kbps) » min-reserved-traffic-rate (3⁄4 small reserved service rate 'unit kbps), max-latency (maximum delay) [0009] The set top box 1 includes a VOD client unit 1 and a WiMAX client unit 12, wherein: [0010] 098133290 The VOD client unit 10 is configured to send a video setting request to the v〇D servo form number A0101. number 5 Page / Total 14 pages 0992056986-0 201112761 4. In the present embodiment, the video setting request includes: the address of the video file to be clicked (for example: rtsp://172.17.131.26:5012/asset/vscontsrv:00 74000230), the protocol and version followed by the signal transmission (for example: RTSP/1.0), the command serial number (for example: CSeq: 1), the format supported by the V〇D client unit 10, and the Tan pass protocol (for example: Transport: MP2T/H2221 / UDP), the file receiving the file (for example: destination = 10. 128. 1. 140:57984), the network to which the client unit 10 is connected (WiMAX network). [0011] The V0D The client unit 10 is further configured to receive the video file information returned by the VOD server 4 and the Q〇S information of the VOD client unit. In the embodiment, the video file information includes: a command sequence number (for example: CSeq) : 1 ' , ί·-* -- - Ζ,; 1), time domain (for example: session: 150563f5edl4af9d84) 'The format and file transfer protocol supported by the VOD client unit 10 (for example: Transport: MP2T/H2221/ UDP), the file that receives the file (for example: destination=10. 128. 1_ 140:57984 ) , packet size (for example: packet_size = 8648/8648/188), file content type (for example: content-type: application/sdp) ‘mark content length (for example: content-length: 495 units? [0012] The V0D client unit 1 is further configured to modify the received Q〇s information to obtain customized QoS information, and send the customized Q〇S information to the WiMAX client unit 12 . [0013] 098133290, the WiMAX client unit 12 is configured to receive the customized q〇s information,

並發送包含所述客制化q〇S資訊的Q〇S設置請求給WiMAX 表單編號A0101 第6頁/共14頁 0982056986-0 201112761 基站2。WiMAX基站2接收從所述WiMAX用戶端單元12發送 來的QoS設置請求，根據接收的QoS設置請求中的客制化 QoS資訊為V0D用戶端單元10所點播的視頻檔案提供服務 品質保證。 [0014] 所述WiMAX用戶端單元12還用於接收WiMAX基站2返回的 確認資訊，以確認WiMAX基站2已接受QoS設置請求。 [0015] 所述WiMAX用戶端單元12還用於發送確認資訊給v〇d用戶 端單元10，以確認已完成QoS客制化設置。 〇 v [0016] 所述V0D用戶端單元10還用於發送視頻播放請求給v〇D伺 服器4。 |MBl ：il| 纖r ，酵 [0017] . |1· 11 ^ίίβΙΒ 所述VOD用戶端單元10還用於接收VOD伺服器4返回的視 頻檔案資料流。所述返回的視頻檔案資料流由WiMAX基站 2中的客制化QoS資訊提供服務品質保證。 [0018] 如圖2所示，係本發明機頂盒視歲點播方法|的較佳實施例 的具體實施流程圖。 -1 w- ^ '·^ Ϊ 1 ψ 〇 [0019] 步驟S10，V0D用戶端單元ιοϋ魂頻檔案設置請求給 V0D伺服器4» [0020] 步驟Sll ’ V0D伺服器4接收視頻檔案設置請求，並返回視 頻檐案資訊和V0D用戶端單元10的QoS資訊給V0D用戶端 單元10。 [0021] 步驟S12，V0D用戶端單元10對所接收的Q〇S資訊進行修 改，以得到客制化QoS資訊，並將客制化QoS資訊發送給 WiMAX用戶端單元12。 098133290 表單編號A0101 第7頁/共14頁 0982056986-0 201112761 [0022] 步驟S13，WiMAX用戶端單元12接收客制化Q〇S資訊，並 發送包含所述客制化QoS資訊的QoS設置請求給Wi MAX基 站2。WiMAX基站2接收QoS設置請求，根據該QoS設置請 求中的客制化QoS資訊為V0D用戶端單元10所點播的視頻 檔案提供服務品質保證。 [0023] 步驟SI4，WiMAX基站2發送確認資訊給WiMAX用戶端單元 12，以確認已完成Q〇S設置請求。 [0024] 步驟S15，WiMAX用戶端單元12發送確認資訊給V0D用戶 端單元10，以確認已完成QoS客制化設置。 [0025] 步驟S16，V0D用戶端單元〗0發送視頻播放請求給V0D伺 服器4。 [0026] 步驟S17，V0D伺服器4返回的視頻檔案資料流給V0D用戶 端單元10。所述返回的視頻檔案資料流由WiMAX基站2中 的客制化QoS資訊提供服務品質保證。 [0027] 綜上所述，本發明符合發明專利要件，爰依法提出專利 申請。惟，以上所述著僅為本發明之較佳實施例’本發 明之範圍並不以上述實施例為限，舉凡熟悉本案技藝之 人士援依本發明之精神所作之等效修飾或變化’皆應涵 蓋於以下申請專利範圍内。 【圖式簡單說明】 [0028] 圖1係本發明機頂盒較佳實施例的硬體架構圖° [0029] 圖2係本發明機頂盒視頻點播方法較佳實施例的具體實施 流程圖。 098133290 表單煸號A0101 第8頁/共14頁 0982056986-0 201112761 【主要元件符號說明】 [0030] 機頂盒1 [0031] V0D用戶端單元10 [0032] WiMAX用戶端單元12 . [0033] WiMAX基站 2 ' [0034] 網際網路3 [0035] V0D伺服器 4 Ο οAnd send a Q〇S setting request containing the customized q〇S information to the WiMAX form number A0101. Page 6 of 14 0982056986-0 201112761 Base station 2. The WiMAX base station 2 receives the QoS setting request sent from the WiMAX client unit 12, and provides the service quality guarantee for the video file requested by the VOD client unit 10 according to the customized QoS information in the received QoS setting request. [0014] The WiMAX client unit 12 is further configured to receive the acknowledgement information returned by the WiMAX base station 2 to confirm that the WiMAX base station 2 has accepted the QoS setup request. [0015] The WiMAX client unit 12 is further configured to send a confirmation message to the v〇d client unit 10 to confirm that the QoS customization setting has been completed. V v [0016] The VOD client unit 10 is further configured to send a video play request to the v〇D server 4. |MBl:il| Fibre r, leaven [0017] . |1· 11 ^ίίβΙΒ The VOD client unit 10 is also used to receive the video archive data stream returned by the VOD server 4. The returned video archive data stream is guaranteed by the customized QoS information in the WiMAX base station 2. [0018] As shown in FIG. 2, it is a specific implementation flowchart of a preferred embodiment of the set-top box of the present invention. -1 w- ^ '·^ Ϊ 1 ψ 〇 [0019] Step S10, V0D client unit ιοϋ soul frequency file setting request to V0D server 4» [0020] Step S11 'V0D server 4 receives the video file setting request, The video file information and the QoS information of the V0D client unit 10 are returned to the VOD client unit 10. [0021] Step S12, the VOD client unit 10 modifies the received Q〇S information to obtain customized QoS information, and sends the customized QoS information to the WiMAX client unit 12. 098133290 Form No. A0101 Page 7 of 14 0982056986-0 201112761 [0022] Step S13, the WiMAX client unit 12 receives the customized Q〇S information, and sends a QoS setting request containing the customized QoS information to Wi MAX base station 2. The WiMAX base station 2 receives the QoS setting request, and provides the service quality guarantee for the video file requested by the V0D client unit 10 according to the customized QoS information in the QoS setting request. [0023] In step SI4, the WiMAX base station 2 sends a confirmation message to the WiMAX client unit 12 to confirm that the Q〇S setting request has been completed. [0024] In step S15, the WiMAX client unit 12 sends a confirmation message to the VOD client unit 10 to confirm that the QoS customization setting has been completed. [0025] Step S16, the V0D client unit "0" sends a video play request to the V0D server 4. [0026] Step S17, the video archive data returned by the VOD server 4 is sent to the VOD client unit 10. The returned video archive data stream is guaranteed by the customized QoS information in the WiMAX base station 2. [0027] In summary, the present invention complies with the requirements of the invention patent, and submits a patent application according to law. However, the above description is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS [0028] FIG. 1 is a hardware architecture diagram of a preferred embodiment of a set top box of the present invention. [0029] FIG. 2 is a flow chart showing a specific implementation of a preferred embodiment of a video on demand method for a set top box of the present invention. 098133290 Form nickname A0101 Page 8/14 page 0992056986-0 201112761 [Main component symbol description] [0030] Set top box 1 [0031] VOD client unit 10 [0032] WiMAX client unit 12 [0033] WiMAX base station 2 [0034] Internet 3 [0035] VOD server 4 Ο ο

098133290 表單編號A0101 第9頁/共14頁 0982056986-0098133290 Form No. A0101 Page 9 of 14 0982056986-0

Claims (1)

201112761 ’ 七、申請專利範圍： 1 . 一種機頂盒，該機頂盒透過WiMAX基站與視頻點播伺服器 進行通信，該機頂盒包括視頻點播用戶端單元和WiMAX用 戶端單元，其中： 所述視頻點播用戶端單元，用於發送視頻設置請求給視頻 點播伺服器，接收視頻點播伺服器返回的視頻檔案資訊和 視頻點播用戶端單元的服務品質資訊，對所接收的服務品 質資訊進行修改以得到客制化服務品質資訊’並將得到的 客制化服務品質資訊發送給所述W i MA1用戶端單元； 所述WiMAX用戶端單元，用於接收從所述視頻點播用戶端 單元發送來的客制化服務品質資訊’並發送包含所述客制 化服務品質資訊的服務品質設置請.求給所述WiMAX基站； 所述視頻點播用戶端單元還用於發送視頻播放請求給視頻 點播伺服器，接收視頻點播伺服器返回的視頻檔案資料流 ，所述視頻檔案資料流由WiMAX基站按照所述客制化服務 品質資訊提供服務品質保證。 2 .如申請專利範圍第1項所述的機頂盒，其中’所述WiMAX 用戶端單元還用於接收WiMAX基站返回的確認資訊，以確 認WiMAX基站已接受服務品質設置請求’及發送確認資訊 給視頻點播用戶端單元，以確認已完成服務品質客制化設 置。 3.如申請專利範圍第1項所述的機頂盒’其中’所述視頻設 置請求包括所點播視頻檔案的位址’信號傳輸所遵循的協 定及版本，命令序列號，視頻點播用戶端單元所支援檔的 格式和檔傳輸協定，接收檔的埤和視頻點播用戶端單元所 098133290 表單編號A0101 第10頁/共14頁 0982056986-0 201112761 連接的網路。 4 .如申請專利範圍第1項所述的機頂盒，其中，所述服務品 質資訊包括資源配置、許可權控制、擁塞控制、緩衝、排 程、業務處理優先順序、最大持續業務速率、最小預留業 務速率和最大時延。 5 . —種機頂盒視頻點播方法，該機頂盒透過^^^基站與視 頻點播伺服器進行通信，該機頂盒包括視頻點播用戶端單 元和WiMAX用戶端單元，該方法包括步驟： 視頻點播用戶端單元發送視頻檔案設置請求給視頻點播伺 > 服器； 視頻點播伺服器接收視頻檔案設置請求，並返回視頻檔案 資訊和視頻點播用戶端單元的服務品質資訊給視頻點播用 戶端單元； * .η 視頻點播用戶端單元對所接收的服務品質資訊進行修改， 以得到客制化服務品質資訊，並將客制化服務品質資訊發 送給所述WiMAX用戶端寻元；「人/ > W1 MAX用戶端單元發送包含:所'述客制化服務品質資訊的服 務品質設置請象給所述ΗΜΑΧϋ;: 視頻點播用戶端單元發送視頻播放請求給視頻點播伺服器 .•，及 視頻點播伺服器返回視頻播案資料流給視頻點播用戶端單 元’所述視頻檔案資料流由WiMAX基站按照所述客制化服 務品質資訊提供服務品質保證。 6 .如申請專利範圍第5項所述的機頂盒視頻點播方法，該方 法還包括： WiMAX基站發送確認資訊給WiMAX用戶端單元，以確認已 098133290 表單編號 A0101 第 11 頁/共 14 頁 0982056986-0 201112761 完成服務品質設置請求。 WiMAX用戶端單元發送確認資訊給視頻點播用戶端單元， 以確認已完成服務品質客制化設置。 7 .如申請專利範圍第5項所述的機頂盒視頻點播方法，其中 ，所述視頻設置請求包括所點播視頻檔案的位址，信號傳 輸所遵循的協定及版本，命令序列號，視頻點播用戶端單 元所支援檔的格式和檔傳輸協定，接收檔的埠和視頻點播 用戶端單元所連接的網路。 8 .如申請專利範圍第5項所述的機頂盒視頻點播方法，其中 ，所述服務品質資訊包括資源配置、許可權控制、擁塞控 制、緩衝、排程、業務處理優先順序、最大持續業務速率 、最小預留業務速率和最大時延。 098133290 表單編號A0101 第12頁/共14頁 0982056986-0201112761 ' VII. Patent application scope: 1. A set-top box, the set-top box communicates with a video on-demand server through a WiMAX base station, the set-top box includes a video on demand client unit and a WiMAX client unit, wherein: the video on demand client unit, It is used for sending a video setting request to the video on demand server, receiving the video file information returned by the video on demand server and the service quality information of the video on demand client unit, and modifying the received service quality information to obtain the customized service quality information. Transmitting the obtained customized service quality information to the W i MA1 client unit; the WiMAX client unit is configured to receive customized service quality information sent from the video on demand client unit And sending the service quality setting including the customized service quality information to the WiMAX base station; the video on demand client unit is further configured to send a video play request to the video on demand server, and receive the video on demand server to return Video archive data stream, the video archive data stream by Wi The MAX base station provides service quality assurance in accordance with the customized service quality information. 2. The set top box of claim 1, wherein the WiMAX client unit is further configured to receive a confirmation message returned by the WiMAX base station to confirm that the WiMAX base station has accepted the service quality setting request and send a confirmation message to the video. Click on the client unit to confirm that the service quality customization has been completed. 3. The set top box of claim 1, wherein the video setting request includes an address and a version of the address of the video file to be recorded, a command sequence number, and a video on demand client unit. The file format and file transfer protocol, the receiving file and the video on demand client unit 098133290 Form No. A0101 Page 10 / Total 14 pages 0992056986-0 201112761 Connected network. 4. The set top box of claim 1, wherein the service quality information includes resource configuration, permission control, congestion control, buffering, scheduling, service processing priority, maximum sustained service rate, minimum reservation Service rate and maximum latency. 5. A set-top box video on demand method, the set top box communicates with a video on demand server through a ^^^ base station, the set top box includes a video on demand client unit and a WiMAX client unit, the method comprising the steps of: the video on demand client unit sends a video The file setting request is sent to the video on-demand server; the video on-demand server receives the video file setting request, and returns the video file information and the service quality information of the video on demand client unit to the video on demand client unit; * .η video on demand user The end unit modifies the received service quality information to obtain the customized service quality information, and sends the customized service quality information to the WiMAX client to find the element; "People / > W1 MAX client unit sends Including: The service quality setting of the described customized service quality information is as described above;: The video on demand client unit sends a video play request to the video on demand server. •, and the video on demand server returns the video broadcast data. Streaming to the video on demand client unit's video archive data stream by WiM The AX base station provides the service quality assurance according to the customized service quality information. 6. The method according to claim 5, wherein the method further comprises: the WiMAX base station sending the confirmation information to the WiMAX client unit, Confirm 098133290 Form No. A0101 Page 11 of 14 0982056986-0 201112761 Complete the service quality setup request. The WiMAX client unit sends a confirmation message to the video on demand client unit to confirm that the service quality customization setting has been completed. The set-top box video on demand method according to claim 5, wherein the video setting request includes an address of the video file to be recorded, a protocol and a version followed by the signal transmission, a command serial number, and a video on demand client unit. The format and file transfer protocol of the support file, the network of the receiving file and the network connected to the video on demand client unit. The method for video-on-demand of the set-top box according to claim 5, wherein the service quality information includes Resource allocation, permission control, congestion control, buffering, scheduling, industry Processing priority, maximum sustained traffic rate, minimum reserved traffic rate and maximum delay. Form Number A0101 098 133 290 Page 12/14 pages 0982056986-0
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