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WO2011023068A1 - 一种个人网设备获取业务内容的装置、方法及相关装置 - Google Patents

一种个人网设备获取业务内容的装置、方法及相关装置 Download PDF

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Publication number
WO2011023068A1
WO2011023068A1 PCT/CN2010/075995 CN2010075995W WO2011023068A1 WO 2011023068 A1 WO2011023068 A1 WO 2011023068A1 CN 2010075995 W CN2010075995 W CN 2010075995W WO 2011023068 A1 WO2011023068 A1 WO 2011023068A1
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WO
WIPO (PCT)
Prior art keywords
request
service content
same
module
content
Prior art date
Application number
PCT/CN2010/075995
Other languages
English (en)
French (fr)
Inventor
姚立哲
陈军
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP10811228.5A priority Critical patent/EP2464057B1/en
Priority to JP2012525872A priority patent/JP2013503524A/ja
Priority to US13/258,980 priority patent/US20120140750A1/en
Priority to KR1020127007845A priority patent/KR20120058581A/ko
Publication of WO2011023068A1 publication Critical patent/WO2011023068A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/658—Transmission by the client directed to the server
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24—Querying
    • G06F16/245—Query processing
    • G06F16/2453—Query optimisation
    • G06F16/24534—Query rewriting; Transformation
    • G06F16/24539—Query rewriting; Transformation using cached or materialised query results
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24—Querying
    • G06F16/245—Query processing
    • G06F16/2458—Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries
    • G06F16/2471—Distributed queries
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/566—Grouping or aggregating service requests, e.g. for unified processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
    • H04L67/62—Establishing a time schedule for servicing the requests
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication

Definitions

  • the present invention relates to data communication technologies, and more particularly to an apparatus, method, and related apparatus for acquiring service content by a personal network device. Background technique
  • a wireless personal area network is a personal network composed of such short-range wireless communication technologies, especially a self-organizing network capable of short-distance connection between portable consumer electronic devices and communication devices.
  • the WPAN is located at the bottom of the entire network architecture and is used for connections between terminals and terminals in a small range, that is, point-to-point short-distance connections.
  • There are many communication technologies used to form a wireless personal area network such as Bluetooth, Red USB, Wireless-USB, and Radio Frequency Identification (RFID) based on NFC (Near Field Communication) technology. , Zigbee and so on.
  • WPAN In addition to enabling personal network devices to share data, WPAN also has an important role to enable other personal network devices to access external network services through the ability of specific devices in the WPAN, ie, personal network gateways, to interact with external networks. Accessing the mobile communication network through the mobile terminal as a personal network gateway, and then downloading music, video, etc. on the content server, as shown in FIG. Shown.
  • the main object of the present invention is to provide an apparatus, method, and related apparatus for acquiring service content by a personal network device, thereby effectively saving transmission resources.
  • An apparatus for obtaining service content by a personal network device comprising: a request processing unit, configured to merge, by a plurality of personal network devices in the same wireless personal area network WPAN, requests for the same service content into a request within a set time length; a providing unit, configured to send the service content correspondingly according to the merged one request; and a content distribution unit, configured to distribute the requested service content to each of the human network devices.
  • the request processing unit of the personal network gateway includes: a receiving module, configured to receive a request for service content from each of the personal network devices in one WPAN; and a processing module, configured to determine the same WPAN received by the receiving module within a set time length
  • the merging module is triggered; the merging module is configured to merge the requests for the same service content in the same WPAN into one request; and the sending module is configured to send the message to the content providing unit Merge a merged request.
  • the request processing unit on the system side includes: a receiving module, configured to receive a request for service content from each of the human network devices in one WPAN; and a processing module, configured to determine, in the same WPAN received by the receiving module within a set time length
  • the merge module is triggered; the merge module is used to target the same industry in the same WPAN.
  • Each request for the content is merged into one request and the content providing unit is triggered.
  • the processing module includes: a judging module and a timer, wherein
  • the determining module is configured to record request information of the request received by the receiving module, and determine whether the request is an initial request for a service content, and if the initial request is, modify the corresponding request information and trigger the timer; If the initial request is not, the corresponding request information is modified, and the corresponding request information for the initial request of the same service content is modified; and the merge module is also triggered when the timer reaches the set threshold; the timer is used according to The trigger of the judgment module is timed within the set threshold; or
  • the timer is configured to perform periodic timing with a set threshold value; the determining module is configured to record request information of the request received by the receiving module, and determine whether the request is a timer in the timer.
  • the initial request for a service content in the cycle if it is an initial request, modify the corresponding request information; if not the initial request, modify the corresponding request information, and modify the corresponding request information for the initial request of the same service content;
  • the merge module is triggered when the timer reaches the set threshold.
  • a method for a personal network device to obtain a service content includes: combining, by a plurality of personal network devices in the same WPAN, a request for the same service content within a set time length into one request; correspondingly transmitting according to the merged one request
  • the business content is once distributed; the requested business content is distributed to each human network device.
  • the merging the requests of the plurality of PN devices in the same WPAN for the same service content into a request within a set time length includes: recording request information of the received request, determining whether the request is an initial for a service content The request, if it is the initial request, modify the corresponding request information and start the timer to start timing; if not the initial request, modify the corresponding request information, and modify the corresponding request information for the initial request of the same service content; When the value is wide, multiple requests for the same business content are combined into one request.
  • the content request is merged into a request, including: recording the request information of the received request, and determining whether the request is an initial request for a service content within a time period of the timer, and if the initial request is, tampering the corresponding request Information; if not the initial request, tampering with the corresponding request information, and modifying the corresponding request information for the initial request of the same service content; when the timer reaches the set threshold, the multiple requests for the same service content are combined into one Request, and the timer is re-timed.
  • the determining whether the request is an initial request is specifically: determining whether the requested service content is the same as the recorded service content, and if the same, the received request is not an initial request; if different, the received request is an initial request.
  • Distributing the requested service content to each network device including:
  • the request information includes: a request identifier, a request time, a request service, a requester, an initial request, and the same request identifier.
  • the method further includes: directly transmitting the request; providing corresponding service content according to the request; and transmitting the service content to the personal network device that sends the request.
  • a personal network gateway comprising: a request processing unit, configured to merge a request of a plurality of personal network devices in a WPAN for the same service content into a request within a set time length; a content distribution unit, configured to receive the service content, and Distribute the requested business content to individual network devices.
  • the request processing unit includes: a receiving module, configured to receive a request for a service content from each of the personal network devices in a WPAN; and a processing module, configured to determine that the connection is within a set time length
  • the merging module is triggered; the merging module is configured to merge the requests for the same service content in the same WPAN into one request; A request merged by the merge module is sent to the content providing unit.
  • the processing module includes: a judging module and a timer, wherein
  • the determining module is configured to record request information of the request received by the receiving module, and determine whether the request is an initial request for a service content, and if the initial request is, modify the corresponding request information and trigger a timer; For the initial request, the corresponding request information is modified, and the corresponding request information for the initial request of the same service content is modified; and the merge module is also triggered when the timer reaches the set threshold; the timer is used according to the judgment module.
  • the trigger is timed within the set threshold; or,
  • the timer is configured to perform periodic timing with a set threshold value; the determining module is configured to record request information of the request received by the receiving module, and determine whether the request is a timer in the timer.
  • the initial request for a service content in the cycle if it is an initial request, modify the corresponding request information; if not the initial request, modify the corresponding request information, and modify the corresponding request information for the initial request of the same service content;
  • the merge module is triggered when the timer reaches the set threshold.
  • a server comprising: a request processing unit, configured to merge requests of a plurality of personal network devices in the same WPAN for the same service content into one request within a set time length; and a content providing unit, configured to perform a request according to the merge
  • the service content is sent once correspondingly.
  • the request processing unit includes: a receiving module, configured to receive a request for a service content from each of the personal network devices in a WPAN; and a processing module, configured to determine, in the same WPAN, the plurality of personal networks received by the receiving module within a set time length When the request of the device is for the same service content, the merge module is triggered; the merge module is configured to merge the requests for the same service content in the same WPAN into one request, and trigger the content providing unit.
  • the processing module includes: a judging module and a timer, wherein
  • the determining module is configured to record request information of the request received by the receiving module, and determine whether the request is an initial request for a service content, and if the initial request is, modify the corresponding request information and trigger a timer; For the initial request, the corresponding request information is modified, and the corresponding request information for the initial request of the same service content is modified; and the merge module is also triggered when the timer reaches the set threshold; the timer is used according to the judgment module.
  • the trigger is timed within the set threshold; or,
  • the timer is configured to perform periodic timing with a set threshold value; the determining module is configured to record request information of the request received by the receiving module, and determine whether the request is a timer in the timer.
  • the initial request for a service content in the cycle if it is an initial request, modify the corresponding request information; if not the initial request, modify the corresponding request information, and modify the corresponding request information for the initial request of the same service content;
  • the merge module is triggered when the timer reaches the set threshold.
  • a request for a plurality of personal network devices in the same WPAN for the same service content is combined into one request, and the service content is correspondingly sent according to the merged request, to each
  • the PN device distributes the requested service content, so that when multiple PN devices in the WPAN request the same service content, the corresponding service content can be sent only once, without having to send multiple times, which greatly saves the transmission resources. Since the same request is processed within the set time length, the transmission resources are saved, and the real-time performance of the personal content acquired by the personal network device is basically not affected.
  • the request processing unit provided in the present invention can be located at the personal network gateway or on the system side, and provides flexible selection for specific applications, and has strong practicability.
  • Figure 1 is a schematic diagram of interaction between a WPAN and an external network
  • FIG. 2 is a schematic structural diagram of an apparatus for implementing a personal network device to obtain a service content according to the present invention
  • FIG. 3 is a schematic flowchart 1 of a process for obtaining a service content of a personal network device according to the present invention
  • FIG. 4 is a second schematic diagram of a process for implementing a personal network device to obtain service content according to the present invention.
  • a request for a plurality of personal network devices in the same WPAN for the same service content is merged into one request, and the service content is correspondingly sent according to a merged request, to each personal network device.
  • Distribute the requested business content Since a service may contain a plurality of different contents, the service content may refer to both the service requested by the personal network device and the specific content of the service requested by the personal network device.
  • the set time length is set according to the requirements of real-time performance, as long as it can be guaranteed that the user's real-time requirements are not affected.
  • the apparatus includes: a request processing unit, a content providing unit, and a content distribution unit, wherein the request processing unit is configured to use the same WPAN
  • the plurality of personal network devices are combined into one request for the same service content within a set time length; the content providing unit is configured to send the service content correspondingly according to the merged one request; the content distribution unit is configured to The personal network device distributes the requested business content.
  • the content providing unit is located at the content providing server, and the content distributing unit is located at the personal network gateway.
  • the content providing server is a content server or a personal network service server.
  • the request processing unit may be located in the personal network gateway.
  • the request processing unit specifically includes: a receiving module, a processing module, a merging module, and a sending module, where the receiving module is configured to receive a request for the service content from each of the personal network devices in the WPAN;
  • the module is configured to: when the request for the plurality of personal network devices in the same WPAN received by the receiving module is for the same service content, trigger the merge module; the merge module is configured to merge the requests for the same service content in the same WPAN. a request; the sending module is configured to send a merged request to the content providing unit.
  • the content providing unit is specifically used according to a received one.
  • the content distribution unit is configured to distribute the service content provided by the content providing unit according to the request of the personal network device in the WPAN for the service content.
  • the processing module is configured to determine that the sending module is directly triggered when there is only one request for the personal network device of the service content in the WPAN received by the receiving module, and the sending module is configured to send the request to the content providing unit.
  • the request processing unit may also be located on the system side.
  • the request processing unit specifically includes: a receiving module, a processing module, and a merging module, where the receiving module is configured to receive a request for service content from each of the personal network devices in one WPAN; Determining that, when the request of the plurality of personal network devices in the same WPAN received by the receiving module is for the same service content, the merge module is triggered; the merge module is configured to merge the requests for the same service content in the same WPAN into one request. , and trigger the content providing unit.
  • the content providing unit is configured to send the service content correspondingly according to a request obtained by the combination; the content distribution unit is specifically configured to distribute the service content provided by the content providing unit according to the request of the personal network device in the WPAN for the service content.
  • the processing module is configured to directly trigger the content providing unit when the request for the personal network device for the service content in the WPAN received by the receiving module is only one, and the content providing unit is configured to send the service content according to a request.
  • the system side may be a content server, a personal network service server, or a related device in the transmission network, such as the related device in the mobile communication network shown in FIG.
  • the processing module described above specifically includes: a determining module and a timer, where
  • the determining module is configured to record the request information of the request received by the receiving module, and determine whether the request is an initial request for a service content, and if the initial request is, modify the corresponding request information and trigger a timer; if not the initial request And modifying the corresponding request information, and modifying the corresponding request information for the initial request of the same service content; and also for triggering the merging module when the timer reaches the set threshold; the timer is configured to set the threshold according to the trigger of the determining module Timed inside. Alternatively, the timer is used for periodically counting the set time value, that is, the timer restarts when the set threshold is reached; the determining module is configured to record the request information of the request received by the receiving module, and determine the location.
  • the request is an initial request for a service content within one time period of the timer, if it is an initial request, modifying the corresponding request information; if not the initial request, modifying the corresponding request information, and modifying the initial for the same service content
  • Corresponding request information of the request also used to trigger the merge module when the timer reaches the set threshold.
  • FIG. 3 is a schematic diagram 1 of a process for implementing a personal network device to obtain a service content according to the present invention.
  • a specific processing for implementing a personal network device to obtain a service content includes:
  • Step 301 to step 302 The request processing unit receives the request, and records corresponding request information for each received request.
  • the request processing unit When the request processing unit is located in the personal network gateway, the corresponding request information recorded for each request received is as shown in the first four items of Table 1.
  • the request processing unit When the request processing unit is located on the system side, the corresponding request information recorded for each request received is as shown in the first four items of Table 2.
  • Step 303 The request processing unit determines, according to the recorded request information, whether the received request is an initial request for a service content, that is, a first request for all requests for one service content, and if it is an initial request, continuing the step 304; If it is not the initial request, proceed to step 305.
  • the request processing unit Since the request processing unit records each received request, it is only necessary to determine whether the service content requested by the received request is the same as the recorded service content, and it can be determined whether the received request is for a service.
  • the initial request for the content That is, if the service content requested by the received request is the same as the recorded service content, the received request is not the initial request; if the requested service content is different from the recorded service content, then the receiving The request is an initial request.
  • the judgment of whether the service content requested by the received request is the same as the recorded service content may be implemented by comparing the service identifier or the service identifier + the content identifier in Table 1 or Table 2, and the consistency is not the initial request, and the inconsistency is Is the initial request.
  • Step 304 The request processing unit modifies the corresponding request information of the record and starts the timer to start counting. When the timer reaches the set threshold, step 306 is performed.
  • the corresponding request information of the modified record specifically refers to whether "whether the initial request” is recorded in Table 1 or Table 2, that is, "whether the initial request” is set to "Yes”. Since the request received at this time is an initial request, indicating that other requests for the same business content have not been received, the last item "same request ID" in the table is not recorded. The number of requests for the same business content can be reflected by the "same request ID”.
  • Step 305 The request processing unit modifies the corresponding request information of the record, and modifies the corresponding request information of the initial request for the same service content, and performs step 306 when the timer corresponding to the initial request for the same service content reaches the set threshold.
  • the corresponding request information of the modified record specifically refers to whether "whether the initial request” is recorded in Table 1 or Table 2, that is, "whether the initial request” is set to "No". Since the request received at this time is not the initial request, indicating that there is already an initial request for the same service content, it is also necessary to record the current reception in the last item "identical request identifier" in the corresponding request information table corresponding to the initial request. Request ID of the request.
  • Step 306 When the timer corresponding to the initial request reaches the set threshold, the request processing unit processes according to the request information of the initial request of the record, and if there is a request corresponding to the service content for the initial request, multiple requests are received. Merged into one request; if there is no request that is the same as the business content for the initial request, no consolidation is required.
  • the request processing unit will set a timer for the initial request of a service content, and when the timer does not reach the set threshold, the request processing unit will receive the received The request with the same business content is recorded, so that the request for the same business content can be unified.
  • the setting thresholds of the timers corresponding to different initial requests may be the same or different.
  • Step 307 to step 308 The content providing unit provides the service content to the content distribution unit according to the request; the content distribution unit distributes the requested service content to the personal network device.
  • the request processing unit When the request processing unit is located at the personal network gateway, the merged request is sent to the content providing unit; since the content providing unit receives only one request, the corresponding business content is necessarily sent only once. Since the content distribution unit is located in the personal network gateway, and the request processing unit is also located in the personal network gateway, the content distribution unit may determine, according to the request information of the initial request recorded in the request processing unit and the request information of the request for the same service content, Each request of the same business content, and then determining the corresponding personal network device that sends each request, and the service provided by the content providing unit Content is distributed to individual network devices.
  • the request processing unit may immediately delete the recorded request information, or may store the information for a period of time, so as to facilitate subsequent information interaction, such as interaction between the personal network device, the personal network gateway, and the system side, and then delete. .
  • the request processing unit When the request processing unit is located on the system side, although the request information of each request for the same service content is not recorded according to the initial request in the personal network gateway, the service content requested by each personal network device is also recorded, and therefore, the content distribution unit also It is possible to determine individual network devices that have requested the business content provided by the content providing unit, and distribute the business content to the respective personal network devices. After the business content is sent to the personal network device, the request processing unit can immediately delete the recorded request information, or can be deleted after being stored for a period of time.
  • FIG. 4 is a second schematic diagram of a process for obtaining a service content of a personal network device according to the present invention. As shown in FIG. 4, a specific processing for implementing a personal network device to obtain a service content includes:
  • Step 401 The request processing unit sets a global timer.
  • the global timer will periodically count with the set threshold as the length of the timer period. When the global timer reaches the set threshold, the timer will restart. Within each timing period of the global timer, the request processing unit processes the request for the same business content.
  • Step 402 The global timer starts and the periodic timing starts.
  • Steps 403 to 405 are basically the same as steps 301 to 303, and are not described herein again.
  • Step 406 The request processing unit modifies the corresponding request information of the record, and executes step 408 when the global timer reaches the set threshold, that is, the end of one time period.
  • steps 403 to 405 are repeatedly executed.
  • Step 407 The request processing unit modifies the corresponding request information of the record, and modifies the corresponding request information of the initial request for the same service content, and the global timer reaches the set threshold, that is, one At the end of the timing period, step 408 is performed.
  • Step 408 The request processing unit processes the request according to the requested information of the initial request when the global timer reaches the set threshold, and merges the multiple requests into one if there is a request corresponding to the service content for the initial request. Request; if there is no request that is the same as the business content for the initial request, no merge is required. Then, return to step 402 to restart the timer and perform step 409.
  • Steps 409 to 410 are basically the same as steps 308 to 309, and are not described herein again.
  • Example one
  • the personal network devices A, B, and C shown in FIG. 1 and a mobile terminal as a personal network gateway form a WPAN, and the personal network devices VIII, B, and C access the content server of the external network through the mobile terminal to obtain the service content.
  • the request processing unit is deployed to the personal network gateway.
  • the personal network device A When the personal network device A needs to watch the video program 1, the personal network device A sends a request to watch the video program 1 to the personal network gateway.
  • the request processing unit in the personal network gateway receives the request from the personal network device A, and establishes a request information table for the request, which specifically includes the following information:
  • the request processing unit determines, based on the recorded request information, that the request is the first request for the video program 1, that is, the initial request, and sets the field "whether the initial request" is 1 (where 1 indicates an initial request, and 0 indicates Not the initial request), and set the timer T (2009-6-10 ⁇ 08: 15:30.050+08:00, 200) for the request, indicating that the timer is from 2009-6-10 ⁇ 08:15:30.050+08: 00 starts timing and the timing lasts for 200 milliseconds. Since the request information of the request needs to be recorded after receiving the request, it is possible to delay the start of the timer by 50 milliseconds as appropriate. time. At this point, the request information table for the request is as follows:
  • the personal network device B also sends a request to watch the video program 1 to the personal network gateway.
  • the request processing unit in the personal network gateway receives the request from the personal network device B, and establishes a request information table for the request, which specifically includes the following information:
  • the request processing unit determines that the request is the same as the request of the personal network device A according to the recorded request information, and the timer corresponding to the request 0001 has not reached the set threshold, therefore, the request is not an initial request, and the request processing unit will
  • the information table requesting 0001 is modified as follows:
  • the request processing unit modifies the information table of request 0002 as follows:
  • the timer corresponding to the request 0001 reaches the set threshold, according to the content recorded in the field "identical request identifier" in the request information table of request 0001, The request 0001 and the request 0002 are merged into a new request and sent to the content server.
  • the content server sends a video program 1 to the personal network gateway according to a received request.
  • the content distribution unit distributes the video program 1 to the personal network device ⁇ , ⁇ according to the request 0001 and the request 0002 request information recorded in the request processing unit.
  • the personal network devices A, B, and C shown in FIG. 1 and a mobile terminal as a personal network gateway form a WPAN, and the personal network devices VIII, B, and C access the content server of the external network through the mobile terminal to obtain the service content.
  • the request processing unit is deployed on the system side in this example.
  • the personal network device A When the personal network device A needs to watch the video program 1, the personal network device A sends a request to watch the video program 1 through the personal network gateway.
  • the request processing unit located at the system side receives the request from the personal network gateway, and establishes a request information table for the request, which specifically includes the following information:
  • the request processing unit determines, based on the recorded request information, that the request is the first request for the video program 1, that is, the initial request, and sets the field "whether the initial request" is 1 (where 1 indicates an initial request, and 0 indicates Not the initial request), and set the timer T (2009-6-10 ⁇ 08: 15:30.050+08:00, 200) for the request, indicating that the timer is from 2009-6-10 ⁇ 08:15:30.050+08 :00 starts timing, and the timing lasts for 200 milliseconds.
  • the request for the request The information sheet is as follows:
  • the personal network device B also sends a request to watch the video program 1 through the personal network gateway.
  • the request processing unit located at the system side receives the request from the personal network gateway, and establishes a request information table for the request, which specifically includes the following information:
  • the request processing unit determines that the request is the same as the request of the personal network device A according to the recorded request information, and the timer corresponding to the request 0001 has not reached the set threshold, therefore, the request is not an initial request, and the request processing unit will
  • the information table requesting 0001 is modified as follows:
  • the request processing unit modifies the information table of request 0002 as follows:
  • the timer corresponding to the request 0001 reaches the set threshold, according to the content recorded in the field "identical request identifier" in the request information table of request 0001, The request 0001 and the request 0002 are merged into a new request and sent to the content server.
  • the content server sends a video program 1 to the personal network gateway according to a merged request.
  • the content distribution unit distributes the video program 1 to the personal network device ⁇ , ⁇ according to the service content requested by each recorded personal network device.
  • the personal network device C also sends a request to watch the video program 1 through the personal network gateway.
  • the request processing unit located at the system side receives the request from the personal network gateway, and establishes a request information table for the request, which specifically includes the following information:
  • the request processing unit determines that the request is the first request for the video program 1 according to the recorded request information, That is, the initial request, set the field "whether initial request" to 1 (where 1 is the initial request, 0 means not the initial request), and set the timer T for the request (2009-6-10 ⁇ 08: 15:30.350+ 08:00, 500) , indicating that the timer starts from 2009-6-10 ⁇ 08:15:30.350+08:00, and the timing lasts for 500 milliseconds.
  • the request information table for the request is as follows: Initiator PN0001
  • timing duration can still be set to 200 milliseconds.
  • the subsequent processing is exactly the same as the previous description, and will not be described here.
  • the personal network devices A, B, and C shown in FIG. 1 and a mobile terminal as a personal network gateway form a WPAN, and the personal network devices VIII, B, and C access the content server of the external network through the mobile terminal to obtain the service content.
  • the request processing unit is deployed on the personal network gateway; and, in this example, a global timer is also set, starting from 2009-6-10 T08: 15:30.000+08:00, setting a threshold, that is, a timing period
  • the length is 300 milliseconds.
  • the personal network device A When you need to watch the English version of video program 1, the personal network device A sends a request to the personal network gateway to watch the video program 1 in English.
  • the request processing unit in the personal network gateway receives the request from the personal network device A, and establishes a request information table for the request, which specifically includes the following information:
  • the request processing unit determines, according to the recorded request information, that the request is the first request for the English version of the video program 1, that is, the initial request, and sets the field "whether the initial request" is 1 (where 1 indicates the initial request, 0 means not the initial request).
  • the request information table for the request is as follows:
  • the personal network device B also sends a request to view the video program 1 in the English version of the personal network gateway.
  • the request processing unit in the personal network gateway receives the request from the personal network device B, and establishes a request information table for the request, which specifically includes the following information:
  • the request processing unit determines that the request is the same as the request of the personal network device A according to the recorded request information, and one time period of the global timer has not ended. Therefore, the request is not an initial request, and the request processing unit will request 0001.
  • the information sheet is modified as follows:
  • the request processing unit modifies the information table of request 0002 as follows:
  • the global timer reaches the set threshold, that is, the end of a time period, according to the field in the request information table of request 0001 "the same request Identifies the content recorded in ", merging request 0001 and request 0002 into a new request and sending it to the content server.
  • the content server sends a video program 1 English version to the PN gateway according to a merged request.
  • the content distribution unit After receiving the video program 1 by the personal network gateway, the content distribution unit distributes the video program 1 English version to the personal network devices A and B respectively according to the service content requested by each personal network device recorded in the request processing unit.
  • the personal network device C sends a request to view the video program 1 to the personal network gateway.
  • the request processing unit receives the request from the personal network gateway, and establishes a request information table for the request, which specifically includes the following information:
  • the request processing unit determines, according to the recorded request information, that the request is the first request for the English version of the video program 1, That is, the initial request, set the field "whether initial request" to 1.
  • the request information table for the request is as follows:
  • the request processing unit is located at the personal network gateway, and the present invention also discloses A personal network gateway, comprising: a request processing unit and a content distribution unit, wherein the request processing unit is configured to merge the requests of the plurality of personal network devices in the WPAN for the same service content into one request within a set time length;
  • the distribution unit is configured to receive the business content and distribute the requested business content to each of the human network devices.
  • the present invention also discloses a server, including: a request processing unit and a content providing unit, wherein the request processing unit is configured to target multiple personal network devices in the same WPAN for a set time length The request for the same service content is merged into one request; the content providing unit is configured to send the service content correspondingly according to the merged one request.
  • a server including: a request processing unit and a content providing unit, wherein the request processing unit is configured to target multiple personal network devices in the same WPAN for a set time length The request for the same service content is merged into one request; the content providing unit is configured to send the service content correspondingly according to the merged one request.

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Description

一种个人网设备获取业务内容的装置、 方法及相关装置 技术领域
本发明涉及数据通信技术， 特别是指一种个人网设备获取业务内容的 装置、 方法及相关装置。 背景技术
随着个人消费 "一人多机" 时代的来临， 一个用户拥有了越来越多的 个人设备， 如手机、 笔记本电脑、 个人数字助理 （PDA, Personal Digital Assistant )、便携式多媒体播放器（ PMP, Portable Media Player )、数码相机、 全球定位系统（GPS, Global Positioning System )导航仪等等， 而且这些个 人设备的能力也越来越强， 大多具有了短距离通信的能力， 因此人们越来 越希望能够将身边的这些个人设备连接到一起， 组成一个个域网络， 并且 能够便捷、 迅速、 安全地在这些个人设备之间共享彼此的资源与能力。
无线个 i或网 ( WPAN, Wireless Personal Area Network )就是这种短巨离 无线通信技术构成的个人网， 尤其是指能在便携式消费电子设备与通信设 备之间进行短距离连接的自组织网。 WPAN位于整个网络架构的底层， 用 于很小范围内的终端与终端之间的连接， 即点到点的短距离连接。 用于构 成无线个域网的通信技术有很多，如蓝牙、红夕卜、无线 USB( Wireless-USB )、 基于近距离通信（ NFC , Near Field Communication )技术的射频识别（ RFID , Radio Frequency Identification )、 紫虫奪 ( Zigbee )等。
WPAN 除了能够使个人网设备共享数据以外， 还有一个重要的作用就 是通过 WPAN中的特定设备、 即个人网网关与外网交互的能力， 使其他个 人网设备也可以访问外部网络的业务， 例如， 通过作为个人网网关的移动 终端来访问移动通信网络， 进而下载内容服务器上的音乐、 视频等， 如图 1 所示。
对于同一 WPAN中的各个人网设备， 经常会出现多个个人网设备几乎 同时通过个人网网关向外部网络请求同一业务内容的情况， 此时， 如果内 容服务器仍然针对相同的每条请求均发送一次业务内容， 则必然造成对传 输资源的浪费。 因此， 必需提出一种个人网设备获取业务内容的行之有效 的方案， 以节省传输资源。 发明内容
有鉴于此， 本发明的主要目的在于提供一种个人网设备获取业务内容 的装置、 方法及相关装置， 有效节省传输资源。
为解决上述技术问题， 本发明的技术方案是这样实现的：
一种个人网设备获取业务内容的装置， 包括： 请求处理单元， 用于将 同一无线个域网 WPAN中多个个人网设备在设定时间长度内针对同一业务 内容的请求合并为一条请求； 内容提供单元， 用于根据合并后的一条请求 对应地发送一次所述业务内容； 内容分发单元， 用于向各个人网设备分发 所请求的业务内容。
位于个人网网关的所述请求处理单元包括： 接收模块， 用于接收来自 一个 WPAN中各个人网设备针对业务内容的请求； 处理模块， 用于确定在 设定时间长度内接收模块接收的同一 WPAN中多个个人网设备的请求针对 同一业务内容时， 触发合并模块； 合并模块， 用于将同一 WPAN中针对同 一业务内容的各请求合并为一条请求； 发送模块， 用于向内容提供单元发 送经合并模块合并后的一条请求。
位于系统侧的所述请求处理单元包括： 接收模块， 用于接收来自一个 WPAN 中各个人网设备针对业务内容的请求； 处理模块， 用于确定在设定 时间长度内接收模块接收的同一 WPAN中多个个人网设备的请求针对同一 业务内容时， 触发合并模块； 合并模块， 用于将同一 WPAN中针对同一业 务内容的各请求合并为一条请求， 并触发内容提供单元。
所述处理模块包括： 判断模块和计时器， 其中，
所述判断模块， 用于记录接收模块所接收的请求的请求信息， 并判断 所述请求是否为针对一个业务内容的初始请求， 如果为初始请求， 则修改 对应请求信息并触发所述计时器； 如果不为初始请求， 则修改对应请求信 息， 并修改针对相同业务内容的初始请求的对应请求信息； 还用于在计时 器达到设定阔值时触发合并模块； 所述计时器， 用于根据判断模块的触发 在设定阔值内进行计时； 或者，
所述计时器， 用于以设定阔值为计时周期进行周期性计时； 所述判断 模块， 用于记录接收模块所接收的请求的请求信息， 并判断所述请求是否 为在计时器一个计时周期内针对一个业务内容的初始请求， 如果为初始请 求， 则修改对应请求信息； 如果不为初始请求， 则修改对应请求信息， 并 修改针对相同业务内容的初始请求的对应请求信息； 还用于在计时器达到 设定阔值时触发合并模块。
一种个人网设备获取业务内容的方法， 该方法包括： 将同一 WPAN中 多个个人网设备在设定时间长度内针对同一业务内容的请求合并为一条请 求； 根据合并后的一条请求对应地发送一次所述业务内容； 向各个人网设 备分发所请求的业务内容。
所述将同一 WPAN中多个个人网设备在设定时间长度内针对同一业务 内容的请求合并为一条请求， 包括： 记录接收的请求的请求信息， 判断所 述请求是否为针对一个业务内容的初始请求， 如果为初始请求， 则修改对 应请求信息并启动计时器开始计时； 如果不为初始请求， 则修改对应请求 信息， 并修改针对相同业务内容的初始请求的对应请求信息； 计时器达到 设定阔值时， 将针对同一业务内容的多条请求合并为一条请求。
所述将同一 WPAN中多个个人网设备在设定时间长度内针对同一业务 内容的请求合并为一条请求， 包括： 记录接收的请求的请求信息， 并判断 所述请求是否为在计时器一个计时周期内针对一个业务内容的初始请求， 如果为初始请求， 则爹改对应请求信息； 如果不为初始请求， 则爹改对应 请求信息， 并修改针对相同业务内容的初始请求的对应请求信息； 计时器 达到设定阔值时， 将针对同一业务内容的多条请求合并为一条请求， 并且 计时器重新计时。
所述判断请求是否为初始请求， 具体为： 判断接收的请求所请求的业 务内容与已记录的业务内容是否相同， 如果相同， 则接收的请求不是初始 请求； 如果不同， 则接收的请求是初始请求。
所述向各个人网设备分发所请求的业务内容， 包括：
根据记录的初始请求的请求信息及其他针对相同业务内容的请求的请 求信息， 确定针对同一业务内容的各请求， 然后确定发送各请求的相应个 人网设备， 将内容提供单元提供的业务内容分发至各个人网设备； 或者， 根据记录的各个人网设备所请求的业务内容， 将业务内容分发至各个 人网设备。
所述请求信息包括： 请求标识、 请求时间、 请求业务、 发起请求者、 是否初始请求和相同请求标识。
设定时间长度内针对一个业务内容的请求只有一条时， 该方法进一步 包括： 直接发送所述请求； 根据所述请求提供对应业务内容； 向发送所述 请求的个人网设备发送所述业务内容。
一种个人网网关， 包括： 请求处理单元， 用于将 WPAN中多个个人网 设备在设定时间长度内针对同一业务内容的请求合并为一条请求； 内容分 发单元， 用于接收业务内容， 并向各个人网设备分发所请求的业务内容。
所述请求处理单元包括： 接收模块， 用于接收来自一个 WPAN中各个 人网设备针对业务内容的请求； 处理模块， 用于确定在设定时间长度内接 收模块接收的同一 WPAN中多个个人网设备的请求针对同一业务内容时， 触发合并模块； 合并模块， 用于将同一 WPAN中针对同一业务内容的各请 求合并为一条请求； 发送模块， 用于向内容提供单元发送经合并模块合并 后的一条请求。
所述处理模块包括： 判断模块和计时器， 其中，
所述判断模块， 用于记录接收模块所接收的请求的请求信息， 并判断 所述请求是否为针对一个业务内容的初始请求， 如果为初始请求， 则修改 对应请求信息并触发计时器； 如果不为初始请求， 则修改对应请求信息， 并修改针对相同业务内容的初始请求的对应请求信息； 还用于在计时器达 到设定阔值时触发合并模块； 所述计时器， 用于根据判断模块的触发在设 定阔值内进行计时； 或者，
所述计时器， 用于以设定阔值为计时周期进行周期性计时； 所述判断 模块， 用于记录接收模块所接收的请求的请求信息， 并判断所述请求是否 为在计时器一个计时周期内针对一个业务内容的初始请求， 如果为初始请 求， 则修改对应请求信息； 如果不为初始请求， 则修改对应请求信息， 并 修改针对相同业务内容的初始请求的对应请求信息； 还用于在计时器达到 设定阔值时触发合并模块。
一种服务器， 包括： 请求处理单元， 用于将同一 WPAN中多个个人网 设备在设定时间长度内针对同一业务内容的请求合并为一条请求； 内容提 供单元， 用于根据合并后的一条请求对应地发送一次所述业务内容。
所述请求处理单元包括： 接收模块， 用于接收来自一个 WPAN中各个 人网设备针对业务内容的请求； 处理模块， 用于确定在设定时间长度内接 收模块接收的同一 WPAN中多个个人网设备的请求针对同一业务内容时， 触发合并模块； 合并模块， 用于将同一 WPAN中针对同一业务内容的各请 求合并为一条请求， 并触发内容提供单元。 所述处理模块包括： 判断模块和计时器， 其中，
所述判断模块， 用于记录接收模块所接收的请求的请求信息， 并判断 所述请求是否为针对一个业务内容的初始请求， 如果为初始请求， 则修改 对应请求信息并触发计时器； 如果不为初始请求， 则修改对应请求信息， 并修改针对相同业务内容的初始请求的对应请求信息； 还用于在计时器达 到设定阔值时触发合并模块； 所述计时器， 用于根据判断模块的触发在设 定阔值内进行计时； 或者，
所述计时器， 用于以设定阔值为计时周期进行周期性计时； 所述判断 模块， 用于记录接收模块所接收的请求的请求信息， 并判断所述请求是否 为在计时器一个计时周期内针对一个业务内容的初始请求， 如果为初始请 求， 则修改对应请求信息； 如果不为初始请求， 则修改对应请求信息， 并 修改针对相同业务内容的初始请求的对应请求信息； 还用于在计时器达到 设定阔值时触发合并模块。
根据本发明提供的方案， 将同一 WPAN中多个个人网设备在设定时间 长度内针对同一业务内容的请求合并为一条请求， 根据合并后的一条请求 对应地发送一次所述业务内容， 向各个人网设备分发所请求的业务内容， 从而在 WPAN中多个个人网设备请求相同业务内容时， 只需发送一次相应 业务内容即可， 而不必多次发送， 大大节省了传输资源。 由于是在设定时 间长度内的对相同请求进行处理， 在节省传输资源的同时， 基本不会对个 人网设备获取业务内容的实时性产生影响。
另外， 本发明中提供的请求处理单元既可以位于个人网网关， 也可以 位于系统侧， 为具体应用提供了灵活的选择， 具有很强的实用性。 附图说明
图 1为 WPAN与外部网络进行交互的示意图；
图 2为本发明中实现个人网设备获取业务内容的装置结构示意图； 图 3为本发明中实现个人网设备获取业务内容的流程示意图一； 图 4为本发明中实现个人网设备获取业务内容的流程示意图二。 具体实施方式
本发明中， 将同一 WPAN中多个个人网设备在设定时间长度内针对同 一业务内容的请求合并为一条请求， 根据合并后的一条请求对应地发送一 次所述业务内容， 向各个人网设备分发所请求的业务内容。 由于一个业务 可能包含多种不同的内容， 因此， 所述业务内容既可以指个人网设备所请 求的业务， 也可以指个人网设备所请求的业务中的具体内容。 所述设定时 间长度根据实时性的要求进行设置， 只要能够保证不会影响用户对实时性 的要求即可。
图 2为本发明中实现个人网设备获取业务内容的装置结构示意图， 如 图 2所示， 该装置包括： 请求处理单元、 内容提供单元和内容分发单元， 其中， 请求处理单元用于将同一 WPAN中多个个人网设备在设定时间长度 内针对同一业务内容的请求合并为一条请求； 内容提供单元用于根据合并 后的一条请求对应地发送一次所述业务内容； 内容分发单元用于向各个人 网设备分发所请求的业务内容。 内容提供单元位于内容提供服务器， 内容 分发单元位于个人网网关。 所述内容提供服务器为内容服务器或个人网络 业务服务器。
请求处理单元可以位于个人网网关， 此时， 请求处理单元具体包括： 接收模块、 处理模块、 合并模块和发送模块， 接收模块用于接收来自一个 WPAN 中各个人网设备针对业务内容的请求； 处理模块用于确定在设定时 间长度内接收模块接收的同一 WPAN中多个个人网设备的请求针对同一业 务内容时， 触发合并模块； 合并模块用于将同一 WPAN中针对同一业务内 容的各请求合并为一条请求； 发送模块用于向内容提供单元发送经合并模 块合并后的一条请求。 相应地， 内容提供单元具体用于根据收到的一条请 求对应地发送一次所述业务内容； 内容分发单元具体用于根据 WPAN中各 个人网设备对业务内容的请求分发内容提供单元提供的业务内容。 处理模 块用于确定接收模块接收的 WPAN中针对一个业务内容的个人网设备的请 求只有一条时， 直接触发发送模块； 发送模块用于向内容提供单元发送请 求。
请求处理单元也可以位于系统侧， 此时， 请求处理单元具体包括： 接 收模块、 处理模块和合并模块， 接收模块用于接收来自一个 WPAN中各个 人网设备针对业务内容的请求； 处理模块用于确定在设定时间长度内接收 模块接收的同一 WPAN中多个个人网设备的请求针对同一业务内容时， 触 发合并模块； 合并模块用于将同一 WPAN中针对同一业务内容的各请求合 并为一条请求， 并触发内容提供单元。 相应地， 内容提供单元用于根据合 并得到的一条请求对应地发送一次所述业务内容； 内容分发单元具体用于 根据 WPAN中各个人网设备对业务内容的请求分发内容提供单元提供的业 务内容。 处理模块用于确定接收模块接收的 WPAN中针对一个业务内容的 个人网设备的请求只有一条时， 直接触发内容提供单元； 内容提供单元用 于根据一条请求发送所述业务内容。 所述系统侧可以为内容服务器， 也可 以为个人网络业务服务器， 还可以为传输网络中的相关设备， 如图 1 中所 示的移动通信网络中的相关设备。
以上所述的处理模块具体包括： 判断模块和计时器， 其中，
判断模块用于记录接收模块所接收的请求的请求信息， 并判断所述请 求是否为针对一个业务内容的初始请求， 如果为初始请求， 则修改对应请 求信息并触发计时器； 如果不为初始请求， 则修改对应请求信息， 并修改 针对相同业务内容的初始请求的对应请求信息； 还用于在计时器达到设定 阔值时触发合并模块； 计时器用于根据判断模块的触发在设定阔值内进行 计时。 或者， 计时器用于以设定阔值为计时周期进行周期性计时， 即计时器 在达到设定阔值时重新开始计时； 判断模块用于记录接收模块所接收的请 求的请求信息， 并判断所述请求是否为在计时器一个计时周期内针对一个 业务内容的初始请求， 如果为初始请求， 则修改对应请求信息； 如果不为 初始请求， 则修改对应请求信息， 并修改针对相同业务内容的初始请求的 对应请求信息； 还用于在计时器达到设定阔值时触发合并模块。
图 3为本发明中实现个人网设备获取业务内容的流程示意图一，如图 3 所示， 实现个人网设备获取业务内容的具体处理包括：
步骤 301〜步骤 302: 请求处理单元接收请求， 并对接收的每条请求记 录相应请求信息。
请求处理单元位于个人网网关时， 其针对接收的每条请求所记录的相 应请求信息如表 1的前四项所示。
Figure imgf000011_0001
表 1
请求处理单元位于系统侧时， 其针对接收的每条请求所记录的相应请 求信息如表 2的前四项所示。
Figure imgf000011_0002
表 2 由于表 1或表 2中的最后两项 "是否初始请求" 和 "相同请求标识" 是通过后续处理来确定的， 因此， 在以上步骤中只记录其中的前四项， 即 "请求标识"、 "请求时间"、 "请求业务" 和 "发起请求者"。
步骤 303: 请求处理单元根据记录的请求信息， 判断接收的请求是否为 针对一个业务内容的初始请求， 即针对一个业务内容的所有请求中的第一 条请求， 如果为初始请求， 则继续执行步骤 304; 如果不为初始请求， 则继 续执行步骤 305。
由于请求处理单元会对每个收到的请求都进行记录， 因此， 只需判断 接收的请求所请求的业务内容与已记录的业务内容是否相同， 即可判断出 接收的请求是否为针对一个业务内容的初始请求。 也就是说， 如果接收的 请求所请求的业务内容与已记录的业务内容相同， 则接收的请求不是初始 请求； 如果接收的请求所请求的业务内容与已记录的业务内容均不相同， 则接收的请求是初始请求。
对接收的请求所请求的业务内容与已记录的业务内容是否相同的判断 具体可以通过表 1 或表 2 中的业务标识或业务标识 +内容标识的比较来实 现， 一致则不是初始请求， 不一致则是初始请求。
步骤 304:请求处理单元修改记录的对应请求信息并启动计时器开始计 时， 在计时器达到设定阔值时执行步骤 306。
修改记录的对应请求信息具体是指对表 1或表 2中的 "是否初始请求" 进行记录， 即将 "是否初始请求" 设置为 "是"。 由于此时收到的请求为初 始请求， 表明还未收到针对相同业务内容的其他请求， 因此， 不对表中的 最后一项 "相同请求标识" 进行记录。 通过 "相同请求标识" 便能够体现 针对同一业务内容的请求的数量。
在计时器未达到设定阔值时， 如果请求处理单元收到新的请求， 则重 复执行步骤 301〜步骤 303。 步骤 305: 请求处理单元修改记录的对应请求信息， 并修改针对相同业 务内容的初始请求的对应请求信息， 在针对相同业务内容的初始请求对应 的计时器达到设定阔值时执行步骤 306。
修改记录的对应请求信息具体是指对表 1或表 2中的 "是否初始请求" 进行记录， 即将 "是否初始请求" 设置为 "否"。 由于此时收到的请求不是 初始请求， 表明之前已经存在针对相同业务内容的初始请求， 因此， 还需 在对应初始请求的对应请求信息表中的最后一项 "相同请求标识" 中记录 当前接收的请求的请求标识。
步骤 306: 请求处理单元在初始请求对应的计时器达到设定阔值时，根 据记录的初始请求的请求信息进行处理， 如果存在与初始请求所针对的业 务内容相同的请求， 则将多条请求合并为一条请求； 如果不存在与初始请 求所针对的业务内容相同的请求， 则无需合并。
根据以上步骤 301〜步骤 306的描述可见， 请求处理单元针对一个业务 内容的初始请求将会设置计时器， 在计时器未达到设定阔值时， 请求处理 单元将收到的与初始请求所针对的业务内容相同的请求进行记录， 从而能 够将针对同一业务内容的请求进行统一处理。 不同的初始请求对应的计时 器的设定阔值可以相同， 也可以不同。
步骤 307〜步骤 308: 内容提供单元根据请求向内容分发单元提供业务 内容； 内容分发单元向个人网设备分发所请求的业务内容。
请求处理单元位于个人网网关时， 将合并的请求发送至内容提供单元； 由于内容提供单元只收到一条请求， 必然对相应的业务内容只发送一次。 由于内容分发单元位于个人网网关， 请求处理单元也位于个人网网关， 因 此， 内容分发单元可以根据请求处理单元中记录的初始请求的请求信息及 其他针对相同业务内容的请求的请求信息， 确定针对同一业务内容的各请 求， 然后确定发送各请求的相应个人网设备， 将内容提供单元提供的业务 内容分发至各个人网设备。 完成业务内容的分发后， 请求处理单元可立即 删除记录的请求信息， 也可以存储一段时间， 以便于后续的信息交互， 如 个人网设备、 个人网网关、 系统侧之间的交互， 然后再删除。
请求处理单元位于系统侧时， 虽然个人网网关中不会依据初始请求记 录针对同一业务内容的各请求的请求信息， 但也会记录各个人网设备所请 求的业务内容， 因此， 内容分发单元也能够确定请求了内容提供单元提供 的业务内容的各个人网设备， 将该业务内容分发至各个人网设备。 将业务 内容发送至个人网设备后， 请求处理单元可立即删除记录的请求信息， 也 可以存储一段时间后删除。
由于针对同一业务内容只有一条请求的情况， 与现有处理完全相同， 在此不再赘述。
图 4为本发明中实现个人网设备获取业务内容的流程示意图二，如图 4 所示， 实现个人网设备获取业务内容的具体处理包括：
步骤 401 : 请求处理单元设置全局计时器。
全局计时器将以设定阔值为计时周期长度进行周期性计时， 即全局计 时器达到设定阔值时， 将重新开始计时。 在全局计时器的每一计时周期内， 请求处理单元对针对同一业务内容的请求进行处理。
步骤 402: 全局计时器启动， 开始周期性计时。
步骤 403〜步骤 405与步骤 301〜步骤 303基本相同， 在此不再赘述。 步骤 406: 请求处理单元修改记录的对应请求信息， 在全局计时器达到 设定阔值、 即一个计时周期结束时执行步骤 408。
在全局计时器未达到设定阔值、 即一个计时周期未结束时， 如果请求 处理单元收到新的请求， 则重复执行步骤 403〜步骤 405。
步骤 407: 请求处理单元修改记录的对应请求信息， 并修改针对相同业 务内容的初始请求的对应请求信息， 在全局计时器达到设定阔值、 即一个 计时周期结束时执行步骤 408。
步骤 408: 请求处理单元在全局计时器达到设定阔值时， 根据记录的初 始请求的请求信息进行处理， 如果存在与初始请求所针对的业务内容相同 的请求， 则将多条请求合并为一条请求； 如果不存在与初始请求所针对的 业务内容相同的请求， 则无需合并。 然后， 返回执行步骤 402 重新开始计 时， 并执行步骤 409。
步骤 409〜步骤 410与步骤 308〜步骤 309基本相同， 在此不再赘述。 实例一
图 1中所示的个人网设备 A、 B、 C与作为个人网网关的移动终端组成 一个 WPAN, 并且个人网设备八、 B、 C通过移动终端访问外部网络的内容 服务器， 以获取业务内容。 本实例中将请求处理单元部署于个人网网关。
个人网设备 A需要观看视频节目 1时， 个人网设备 A向个人网网关发 送观看视频节目 1 的请求。 个人网网关中的请求处理单元接收来自个人网 设备 A的请求， 为该请求建立请求信息表， 具体包括如下信息：
Figure imgf000015_0001
然后， 请求处理单元根据已记录的请求信息确定该请求为针对视频节 目 1的第一条请求、 即初始请求， 将字段 "是否初始请求" 置为 1 (其中， 1 表示是初始请求， 0 表示不是初始请求）， 并为该请求设置计时器 T(2009-6-10 Τ08: 15 :30.050+08:00, 200) , 表示该计时器从 2009-6-10 Τ08:15:30.050+08:00开始计时， 计时持续 200毫秒。 由于接收请求后需要 记录该请求的请求信息， 因此， 可以适当延后 50毫秒作为计时器开始计时 的时间。 此时， 该请求的请求信息表如下:
Figure imgf000016_0001
在上述计时器的计时时间内， 个人网设备 B也向个人网网关发送观看 视频节目 1 的请求。 个人网网关中的请求处理单元接收来自个人网设备 B 的请求， 为该请求建立请求信息表， 具体包括如下信息：
Figure imgf000016_0002
然后，请求处理单元根据已记录的请求信息确定该请求与个人网设备 A 的请求相同， 并且请求 0001对应的计时器还未达到设定阔值， 因此， 该请 求不是初始请求， 请求处理单元将请求 0001的信息表修改如下：
Figure imgf000016_0003
请求处理单元将请求 0002的信息表修改如下:
Figure imgf000016_0004
是否初始请求 0
相同请求标识 N/A
当时刻 2009-6-10 T08:15:30.250+08:00到达时， 请求 0001对应的计时 器达到设定阔值， 根据请求 0001的请求信息表中字段 "相同请求标识" 中 记录的内容， 将请求 0001和请求 0002合并为一个新的请求发送给内容服 务器。
内容服务器根据收到的一条请求向个人网网关发送一次视频节目 1。个 人网网关收到视频节目 1 后， 内容分发单元根据请求处理单元中记录的请 求 0001和请求 0002的请求信息，分别向个人网设备 Α、 Β分发视频节目 1。
实例二
图 1中所示的个人网设备 A、 B、 C与作为个人网网关的移动终端组成 一个 WPAN, 并且个人网设备八、 B、 C通过移动终端访问外部网络的内容 服务器， 以获取业务内容。 本实例中将请求处理单元部署于系统侧。
个人网设备 A需要观看视频节目 1时， 个人网设备 A通过个人网网关 发送观看视频节目 1 的请求。 位于系统侧的请求处理单元接收来自个人网 网关的请求， 为该请求建立请求信息表， 具体包括如下信息：
Figure imgf000017_0001
然后， 请求处理单元根据已记录的请求信息确定该请求为针对视频节 目 1的第一条请求、 即初始请求， 将字段 "是否初始请求" 置为 1 (其中， 1 表示是初始请求， 0 表示不是初始请求）， 并为该请求设置计时器 T(2009-6-10 Τ08: 15 :30.050+08:00, 200) , 表示从该计时器从 2009-6-10 Τ08:15:30.050+08:00开始计时， 计时持续 200毫秒。 此时， 该请求的请求 信息表如下：
Figure imgf000018_0001
在上述计时器的计时时间内， 个人网设备 B也通过个人网网关发送观 看视频节目 1 的请求。 位于系统侧的请求处理单元接收来自个人网网关的 请求， 为该请求建立请求信息表， 具体包括如下信息：
Figure imgf000018_0002
然后，请求处理单元根据已记录的请求信息确定该请求与个人网设备 A 的请求相同， 并且请求 0001对应的计时器还未达到设定阔值， 因此， 该请 求不是初始请求， 请求处理单元将请求 0001的信息表修改如下：
Figure imgf000018_0003
请求处理单元将请求 0002的信息表修改如下:
Figure imgf000018_0004
是否初始请求 0
相同请求标识 N/A
当时刻 2009-6-10 T08:15:30.250+08:00到达时， 请求 0001对应的计时 器达到设定阔值， 根据请求 0001的请求信息表中字段 "相同请求标识" 中 记录的内容， 将请求 0001和请求 0002合并为一个新的请求发送给内容服 务器。
内容服务器根据合并的一条请求向个人网网关发送一次视频节目 1。个 人网网关收到视频节目 1 后， 内容分发单元根据记录的各个人网设备所请 求的业务内容， 分别向个人网设备 Α、 Β分发视频节目 1。
另外， 请求 0001对应的计时器达到设定阔值后， 个人网设备 C也通过 个人网网关发送观看视频节目 1 的请求。 位于系统侧的请求处理单元接收 来自个人网网关的请求， 为该请求建立请求信息表， 具体包括如下信息：
Figure imgf000019_0001
由于请求 0001对应的计时器已达到设定阔值， 此时， 已不存在相应的 初始请求 , 因此， 请求处理单元根据已记录的请求信息确定该请求为针对 视频节目 1 的第一条请求、 即初始请求， 将字段 "是否初始请求" 置为 1 (其中， 1 表示是初始请求， 0表示不是初始请求）， 并为该请求设置计时 器 T(2009-6-10 Τ08: 15:30.350+08:00, 500) , 表示从该计时器从 2009-6-10 Τ08:15:30.350+08:00开始计时， 计时持续 500毫秒。 此时， 该请求的请求 信息表如下：
Figure imgf000019_0002
发起请求者 PN0001
是否初始请求 1
相同请求标识 N/A
当然， 以上计时持续时间也可以仍然设置为 200 毫秒。 后续处理与前 面描述完全相同， 在此不再赘述。
实例三
图 1中所示的个人网设备 A、 B、 C与作为个人网网关的移动终端组成 一个 WPAN, 并且个人网设备八、 B、 C通过移动终端访问外部网络的内容 服务器， 以获取业务内容。 本实例中将请求处理单元部署于个人网网关； 并且， 本实例中还设置全局计时器， 从 2009-6-10 T08: 15:30.000+08:00开始 计时， 设定阔值、 即计时周期长度为 300毫秒。
个人网设备 Α需要观看视频节目 1的英文版时， 个人网设备 A向个人 网网关发送观看视频节目 1 英文版的请求。 个人网网关中的请求处理单元 接收来自个人网设备 A的请求， 为该请求建立请求信息表， 具体包括如下 信息：
Figure imgf000020_0001
然后， 请求处理单元根据已记录的请求信息确定该请求为针对视频节 目 1 英文版的第一条请求、 即初始请求， 将字段 "是否初始请求" 置为 1 (其中， 1 表示是初始请求， 0表示不是初始请求）。 此时， 该请求的请求 信息表如下：
Figure imgf000020_0002
发起请求者 Device A
是否初始请求 1
相同请求标识 N/A
在全局计时器的一个计时周期内， 个人网设备 B也向个人网网关发送 观看视频节目 1 英文版的请求。 个人网网关中的请求处理单元接收来自个 人网设备 B的请求， 为该请求建立请求信息表， 具体包括如下信息：
Figure imgf000021_0001
然后，请求处理单元根据已记录的请求信息确定该请求与个人网设备 A 的请求相同， 并且全局计时器的一个计时周期还未结束， 因此， 该请求不 是初始请求， 请求处理单元将请求 0001的信息表修改如下：
Figure imgf000021_0002
请求处理单元将请求 0002的信息表修改如下:
Figure imgf000021_0003
当时刻 2009-6-10 T08:15:30.300+08:00到达时，全局计时器达到设定阔 值， 即一个计时周期结束， 根据请求 0001的请求信息表中字段 "相同请求 标识" 中记录的内容， 将请求 0001和请求 0002合并为一个新的请求发送 给内容服务器。
内容服务器根据合并的一条请求向个人网网关发送一次视频节目 1 英 文版。 个人网网关收到视频节目 1 后， 内容分发单元根据请求处理单元中 记录的各个人网设备所请求的业务内容，分别向个人网设备 A、 B分发视频 节目 1英文版。
全局计时器的又一个计时周期内， 个人网设备 C向个人网网关发送观 看视频节目 1 英文版的请求。 请求处理单元接收来自个人网网关的请求， 为该请求建立请求信息表， 具体包括如下信息：
Figure imgf000022_0001
由于当前为全局计时器的又一个计时周期， 此时， 已不存在相应的初 始请求 , 因此， 请求处理单元根据已记录的请求信息确定该请求为针对视 频节目 1 英文版的第一条请求、 即初始请求， 将字段 "是否初始请求" 置 为 1。 此时， 该请求的请求信息表如下：
Figure imgf000022_0002
如果全局计时器的这个计时周期内不再有相同的请求， 则无需进行合 根据以上描述可见， 请求处理单元位于个人网网关时， 本发明还公开 了一种个人网网关， 包括： 请求处理单元和内容分发单元， 其中， 请求处 理单元用于将 WPAN中多个个人网设备在设定时间长度内针对同一业务内 容的请求合并为一条请求； 内容分发单元用于接收业务内容， 并向各个人 网设备分发所请求的业务内容。 相关各部分的具体实现与以上描述完全相 同， 在此不再——描述。
请求处理单元位于系统侧时， 本发明还公开了一种服务器， 包括： 请 求处理单元和内容提供单元， 其中， 请求处理单元用于将同一 WPAN中多 个个人网设备在设定时间长度内针对同一业务内容的请求合并为一条请 求； 内容提供单元用于根据合并后的一条请求对应地发送一次所述业务内 容。 相关各部分的具体实现与以上描述完全相同， 在此不再——描述。
以上所述， 仅为本发明的较佳实施例而已， 并非用于限定本发明的保 护范围。

Claims

权利要求书
1、 一种个人网设备获取业务内容的装置， 其特征在于， 包括： 请求处理单元， 用于将同一无线个域网 WPAN中多个个人网设备在设 定时间长度内针对同一业务内容的请求合并为一条请求；
内容提供单元， 用于根据合并后的一条请求对应地发送一次所述业务 内容；
内容分发单元， 用于向各个人网设备分发所请求的业务内容。
2、 根据权利要求 1所述的装置， 其特征在于， 位于个人网网关的所述 请求处理单元包括：
接收模块， 用于接收来自一个 WPAN中各个人网设备针对业务内容的 请求；
处理模块， 用于确定在设定时间长度内接收模块接收的同一 WPAN中 多个个人网设备的请求针对同一业务内容时， 触发合并模块；
合并模块， 用于将同一 WPAN中针对同一业务内容的各请求合并为一 条请求；
发送模块， 用于向内容提供单元发送经合并模块合并后的一条请求。
3、 根据权利要求 1所述的装置， 其特征在于， 位于系统侧的所述请求 处理单元包括：
接收模块， 用于接收来自一个 WPAN中各个人网设备针对业务内容的 请求；
处理模块， 用于确定在设定时间长度内接收模块接收的同一 WPAN中 多个个人网设备的请求针对同一业务内容时， 触发合并模块；
合并模块， 用于将同一 WPAN中针对同一业务内容的各请求合并为一 条请求， 并触发内容提供单元。
4、根据权利要求 2或 3所述的装置，其特征在于， 所述处理模块包括： 判断模块和计时器， 其中，
所述判断模块， 用于记录接收模块所接收的请求的请求信息， 并判断 所述请求是否为针对一个业务内容的初始请求， 如果为初始请求， 则修改 对应请求信息并触发所述计时器； 如果不为初始请求， 则修改对应请求信 息， 并修改针对相同业务内容的初始请求的对应请求信息； 还用于在计时 器达到设定阔值时触发合并模块；
所述计时器， 用于根据判断模块的触发在设定阔值内进行计时； 或者，
所述计时器， 用于以设定阔值为计时周期进行周期' \ί计时；
所述判断模块， 用于记录接收模块所接收的请求的请求信息， 并判断 所述请求是否为在计时器一个计时周期内针对一个业务内容的初始请求， 如果为初始请求， 则爹改对应请求信息； 如果不为初始请求， 则爹改对应 请求信息， 并修改针对相同业务内容的初始请求的对应请求信息； 还用于 在计时器达到设定阔值时触发合并模块。
5、 一种个人网设备获取业务内容的方法， 其特征在于， 该方法包括： 将同一 WPAN中多个个人网设备在设定时间长度内针对同一业务内容 的请求合并为一条请求；
根据合并后的一条请求对应地发送一次所述业务内容；
向各个人网设备分发所请求的业务内容。
6、根据权利要求 5所述的方法， 其特征在于， 所述将同一 WPAN中多 个个人网设备在设定时间长度内针对同一业务内容的请求合并为一条请 求， 包括：
记录接收的请求的请求信息， 判断所述请求是否为针对一个业务内容 的初始请求， 如果为初始请求， 则修改对应请求信息并启动计时器开始计 时； 如果不为初始请求， 则修改对应请求信息， 并修改针对相同业务内容 的初始请求的对应请求信息；
计时器达到设定阔值时， 将针对同一业务内容的多条请求合并为一条 请求。
7、根据权利要求 5所述的方法， 其特征在于， 所述将同一 WPAN中多 个个人网设备在设定时间长度内针对同一业务内容的请求合并为一条请 求， 包括：
记录接收的请求的请求信息， 并判断所述请求是否为在计时器一个计 时周期内针对一个业务内容的初始请求， 如果为初始请求， 则修改对应请 求信息； 如果不为初始请求， 则修改对应请求信息， 并修改针对相同业务 内容的初始请求的对应请求信息；
计时器达到设定阔值时， 将针对同一业务内容的多条请求合并为一条 请求， 并且计时器重新计时。
8、 根据权利要求 5所述的方法， 其特征在于， 所述判断请求是否为初 始请求， 具体为： 判断接收的请求所请求的业务内容与已记录的业务内容 是否相同， 如果相同， 则接收的请求不是初始请求； 如果不同， 则接收的 请求是初始请求。
9、 根据权利要求 5所述的方法， 其特征在于， 所述向各个人网设备分 发所请求的业务内容， 包括：
根据记录的初始请求的请求信息及其他针对相同业务内容的请求的请 求信息， 确定针对同一业务内容的各请求， 然后确定发送各请求的相应个 人网设备， 将内容提供单元提供的业务内容分发至各个人网设备； 或者， 根据记录的各个人网设备所请求的业务内容， 将业务内容分发至各个 人网设备。
10、 根据权利要求 6或 7所述的方法， 其特征在于， 所述请求信息包 括： 请求标识、 请求时间、 请求业务、 发起请求者、 是否初始请求和相同 请求标识。
11、 根据权利要求 5至 9任一所述的方法， 其特征在于， 设定时间长 度内针对一个业务内容的请求只有一条时， 该方法进一步包括：
直接发送所述请求；
根据所述请求提供对应业务内容；
向发送所述请求的个人网设备发送所述业务内容。
12、 一种个人网网关， 其特征在于， 包括：
请求处理单元， 用于将 WPAN中多个个人网设备在设定时间长度内针 对同一业务内容的请求合并为一条请求；
内容分发单元， 用于接收业务内容， 并向各个人网设备分发所请求的 业务内容。
13、 根据权利要求 12所述的个人网网关， 其特征在于， 所述请求处理 单元包括：
接收模块， 用于接收来自一个 WPAN中各个人网设备针对业务内容的 请求；
处理模块， 用于确定在设定时间长度内接收模块接收的同一 WPAN中 多个个人网设备的请求针对同一业务内容时， 触发合并模块；
合并模块， 用于将同一 WPAN中针对同一业务内容的各请求合并为一 条请求；
发送模块， 用于向内容提供单元发送经合并模块合并后的一条请求。
14、 根据权利要求 13所述的个人网网关， 其特征在于， 所述处理模块 包括： 判断模块和计时器， 其中，
所述判断模块， 用于记录接收模块所接收的请求的请求信息， 并判断 所述请求是否为针对一个业务内容的初始请求， 如果为初始请求， 则修改 对应请求信息并触发计时器； 如果不为初始请求， 则修改对应请求信息， 并修改针对相同业务内容的初始请求的对应请求信息； 还用于在计时器达 到设定阔值时触发合并模块；
所述计时器， 用于根据判断模块的触发在设定阔值内进行计时； 或者，
所述计时器， 用于以设定阔值为计时周期进行周期' \ί计时；
所述判断模块， 用于记录接收模块所接收的请求的请求信息， 并判断 所述请求是否为在计时器一个计时周期内针对一个业务内容的初始请求， 如果为初始请求， 则爹改对应请求信息； 如果不为初始请求， 则爹改对应 请求信息， 并修改针对相同业务内容的初始请求的对应请求信息； 还用于 在计时器达到设定阔值时触发合并模块。
15、 一种服务器， 其特征在于， 包括：
请求处理单元， 用于将同一 WPAN中多个个人网设备在设定时间长度 内针对同一业务内容的请求合并为一条请求；
内容提供单元， 用于根据合并后的一条请求对应地发送一次所述业务 内容。
16、 根据权利要求 15所述的服务器， 其特征在于， 所述请求处理单元 包括：
接收模块， 用于接收来自一个 WPAN中各个人网设备针对业务内容的 请求；
处理模块， 用于确定在设定时间长度内接收模块接收的同一 WPAN中 多个个人网设备的请求针对同一业务内容时， 触发合并模块；
合并模块， 用于将同一 WPAN中针对同一业务内容的各请求合并为一 条请求， 并触发内容提供单元。
17、根据权利要求 16所述的服务器，其特征在于， 所述处理模块包括： 判断模块和计时器， 其中， 所述判断模块， 用于记录接收模块所接收的请求的请求信息， 并判断 所述请求是否为针对一个业务内容的初始请求， 如果为初始请求， 则修改 对应请求信息并触发计时器； 如果不为初始请求， 则修改对应请求信息， 并修改针对相同业务内容的初始请求的对应请求信息； 还用于在计时器达 到设定阔值时触发合并模块；
所述计时器， 用于根据判断模块的触发在设定阔值内进行计时； 或者，
所述计时器， 用于以设定阔值为计时周期进行周期' \ί计时；
所述判断模块， 用于记录接收模块所接收的请求的请求信息， 并判断 所述请求是否为在计时器一个计时周期内针对一个业务内容的初始请求， 如果为初始请求， 则爹改对应请求信息； 如果不为初始请求， 则爹改对应 请求信息， 并修改针对相同业务内容的初始请求的对应请求信息； 还用于 在计时器达到设定阔值时触发合并模块。
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