CN108683725B - Data processing method and data processing system - Google Patents
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Abstract
The invention provides a data processing method and a data processing system. The method is based on a network system, wherein the network system comprises a content source server, a controller and a plurality of base stations, and each base station is connected with the controller; the method comprises the following steps: the method comprises the steps that a mobile terminal sends a content request to an attached base station, wherein the content request comprises a content identifier, and the attached base station is a base station accessed by the mobile terminal in a plurality of base stations; the dependent base station acquires content data corresponding to the content identification from the dependent base station, an adjacent base station or a controller, wherein the adjacent base station is a base station adjacent to the dependent base station in the plurality of base stations; and the attached base station sends the content data corresponding to the content identification to the mobile terminal. The invention reduces the content searching time and improves the searching hit rate.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a data processing method and a data processing system.
Background
With the development of the edge caching technology, the content originally stored in the content source server of the core network is distributed towards the edge.
However, in the prior art, the content source server is internally distributed in a plurality of base stations in an area, and a user has mobility, so that the content searching time is increased, and the searching hit rate is reduced.
Disclosure of Invention
The invention provides a data processing method and a data processing system, which are used for reducing the content searching time and improving the searching hit rate.
In order to achieve the above object, the present invention provides a data processing method, which is based on a network system, wherein the network system comprises a content source server, a controller and a plurality of base stations, and each base station is connected with the controller;
the method comprises the following steps:
the method comprises the steps that a mobile terminal sends a content request to an attached base station, wherein the content request comprises a content identifier, and the attached base station is a base station accessed by the mobile terminal in a plurality of base stations;
the dependent base station acquires content data corresponding to the content identification from the dependent base station, an adjacent base station or a controller, wherein the adjacent base station is a base station adjacent to the dependent base station in the plurality of base stations;
and the attached base station sends the content data corresponding to the content identification to the mobile terminal.
Optionally, the obtaining, by the dependent base station, content data corresponding to the content identifier from the dependent base station, a neighboring base station, or a controller includes:
the dependent base station inquires out a first topological connection corresponding to the content identification according to a base station routing rule of the dependent base station, wherein the base station routing rule comprises a plurality of content identifications and the first topological connection corresponding to each content identification;
the content network equipment in the first topological connection corresponding to the content identification of the dependent base station is the dependent base station, the adjacent base station or the controller;
if the dependent base station identifies that the content network equipment is the dependent base station, inquiring content data corresponding to the content identification;
if the attached base station identifies that the content network equipment is an adjacent base station, acquiring content data corresponding to the content identification from the adjacent base station;
and if the attached base station identifies that the content network equipment is the controller, acquiring content data corresponding to the content identification from the controller.
Optionally, if the dependent base station recognizes that the content network device is a controller, acquiring content data corresponding to the content identifier from the controller includes:
the attached base station sends a content request to the controller;
the controller inquires out a second topological connection corresponding to the content identification according to a controller routing rule, wherein the controller routing rule comprises a plurality of content identifications and the second topological connection corresponding to each content identification;
the controller is used for identifying content network equipment in the second topological connection corresponding to the content identification as a non-adjacent base station or a content source server, wherein the non-adjacent base station is an attached base station in the plurality of base stations and a base station except the adjacent base station;
if the controller identifies that the content network equipment is a non-adjacent base station, the controller sends a content request to the non-adjacent base station; the non-adjacent base station inquires content data corresponding to the content identification according to the content identification and sends the content data corresponding to the content identification to the controller; the controller sends content data corresponding to the content identification to the attached base station;
if the controller identifies that the content network equipment is a content source server, the controller sends a content request to the content source server; the content source server inquires content data corresponding to the content identification according to the content identification and sends the content data corresponding to the content identification to the controller; and the controller sends content data corresponding to the content identification to the attached base station.
Optionally, before the sending, by the mobile terminal, the content request to the attached base station, the method further includes:
the controller generates a controller routing rule of the controller and a base station routing rule of each base station according to the base station topology and the base station cache content directory;
and the controller sends the base station routing rule of each base station to the corresponding base station.
Optionally, the generating, by the controller, a controller routing rule of the controller and a base station routing rule of each base station according to the base station topology and the base station cache content directory further includes:
the content source server sends corresponding content data to a plurality of base stations so that each base station can cache the received content data;
and the content source server sends a base station cache content directory to the controller, wherein the base station cache content directory comprises content identification corresponding to the content data cached by each base station.
To achieve the above object, the present invention provides a data processing system comprising: the system comprises a network system and a mobile terminal, wherein the network system comprises a content source server, a controller and a plurality of base stations, and each base station is connected with the controller;
the mobile terminal is used for sending a content request to an attached base station, wherein the content request comprises a content identifier, and the attached base station is a base station accessed by the mobile terminal in a plurality of base stations;
the dependent base station is used for acquiring content data corresponding to the content identifier from the dependent base station, an adjacent base station or a controller, wherein the adjacent base station is a base station adjacent to the dependent base station in the plurality of base stations; and sending the content data corresponding to the content identification to the mobile terminal.
Optionally, the dependent base station is configured to query a first topological connection corresponding to the content identifier according to a base station routing rule of the dependent base station, where the base station routing rule includes a plurality of content identifiers and a first topological connection corresponding to each content identifier; identifying the content network equipment in the first topological connection corresponding to the content identification as an attached base station, an adjacent base station or a controller; if the content network equipment is identified as the attached base station, inquiring content data corresponding to the content identification; if the content network equipment is identified as the adjacent base station, acquiring content data corresponding to the content identification from the adjacent base station; and if the content network equipment is identified as the controller, acquiring content data corresponding to the content identification from the controller.
Optionally, the dependent base station is configured to send a content request to the controller;
the controller is used for inquiring second topological connection corresponding to the content identification according to a controller routing rule, wherein the controller routing rule comprises a plurality of content identifications and second topological connection corresponding to each content identification; according to the content identification, the content network equipment in the second topological connection is a non-adjacent base station or a content source server, wherein the non-adjacent base station is an attached base station in the plurality of base stations and a base station except the adjacent base station; if the content network equipment is identified as a non-adjacent base station, sending a content request to the non-adjacent base station; the non-adjacent base station inquires content data corresponding to the content identification according to the content identification, sends the content data corresponding to the content identification to the controller and sends the content data corresponding to the content identification to the attached base station; if the content network equipment is identified as a content source server, sending a content request to the content source server; and the content source server inquires content data corresponding to the content identification according to the content identification, sends the content data corresponding to the content identification to the controller and sends the content data corresponding to the content identification to the attached base station.
Optionally, the controller is further configured to generate a controller routing rule of the controller and a base station routing rule of each base station according to the base station topology and the base station cache content directory; and sending the base station routing rule of each base station to the corresponding base station.
Optionally, the content source server is further configured to send corresponding content data to a plurality of base stations, so that each base station caches the received content data; and sending a base station cache content directory to the controller, wherein the base station cache content directory comprises content identification corresponding to the content data cached by each base station.
The invention has the beneficial effects that:
in the technical scheme of the data processing method and the data processing system provided by the invention, the network system comprises a content server, a controller and a plurality of base stations, each base station is connected with the controller, the attached base station acquires content data corresponding to the content identification from the attached base station, the adjacent base station or the controller, and sends the content data corresponding to the content identification to the mobile terminal.
Drawings
FIG. 1 is a schematic diagram of a network system according to the present invention;
fig. 2 is a flowchart of a data processing method according to an embodiment of the present invention;
fig. 3 is a flowchart of a data processing method according to a second embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following describes the data processing method and the data processing system provided by the present invention in detail with reference to the accompanying drawings.
The present invention provides a network system, fig. 1 is a schematic structural diagram of the network system in the present invention, as shown in fig. 1, the network system includes: the system comprises a content source server, a controller and a plurality of base stations, wherein each base station is connected with the controller. Further, a content source server is connected to the controller. In fig. 1, 10 base stations are illustrated as an example, and the 10 base stations are base station 1, base station 2 through base station 10. As shown in fig. 1, each of the plurality of base stations is connected to the controller, and specifically, each of the base stations is connected to the controller in a wireless manner. The controller is connected with the content source server in a wired mode. As shown in fig. 1, preferably, a plurality of base stations are disposed around the controller, the controller is located at a central position, and the plurality of base stations form a ring structure around the controller, and the arrangement is high in data transmission efficiency. Further, each base station is connected with the content source server in a wired manner. Further, the base stations may be connected to each other by radio, and adjacent base stations may be connected to each other by radio so that the adjacent base stations communicate with each other by radio. In the present invention, the base station accessed by the mobile terminal is the dependent base station, as shown in fig. 1, the base station accessed by the mobile terminal is the base station 5, so the current dependent base station is the base station 5, and because the mobile terminal has mobility, the dependent base station will change when the mobile terminal moves. The content source server is provided with a huge storage system and can store content sources; the controller has a cache function, a calculation function and a forwarding function; the base station has a buffering function.
The present invention provides the following embodiments based on the above network system.
Fig. 2 is a flowchart of a data processing method according to an embodiment of the present invention, as shown in fig. 2, the method includes:
And 102, the dependent base station acquires content data corresponding to the content identifier from the dependent base station, an adjacent base station or a controller, wherein the adjacent base station is a base station adjacent to the dependent base station in the plurality of base stations.
And 103, the attached base station sends content data corresponding to the content identification to the mobile terminal.
In the technical scheme of the data processing method provided by this embodiment, the network system includes a content server, a controller and a plurality of base stations, each base station is connected with the controller, and the attached base station acquires content data corresponding to the content identifier from the attached base station, an adjacent base station or the controller and sends the content data corresponding to the content identifier to the mobile terminal.
Fig. 3 is a flowchart of a data processing method according to a second embodiment of the present invention, as shown in fig. 3, the method includes:
In this embodiment, the content source server stores a content source, and the content source includes a plurality of content data. The content source server can transmit the content data which can be cached by each base station to the corresponding base station.
In this embodiment, the content identifier may be used to identify the content data, and preferably, the content identifier is a keyword.
In this embodiment, the controller may cache the base station cache content directory.
Specifically, the base station cache content directory is:
as can be seen from the base station cache content directory, the content identifier of the content data cached by the base station 1 includes a and B, the content identifier of the content data cached by the base station 2 includes C and D, and so on.
In this embodiment, the base station routing rule of the base station 1 may be:
"If A Or B, base station 1
If C or D, base station 1-base station 2
If S or T, base station 1-base station 10
If not A and B and C and D and S and T, base station 1-controller ".
For example, if the content identifier S in the base station routing rule of the base station 1 is S, the first topology connection corresponding to the content identifier S is "base station 1 to base station 10", where "base station 1 to base station 10" indicates that the base station 1 can obtain the content data corresponding to the content identifier S from the base station 10.
For example, when the content identifier in the base station routing rule of the base station 1 is A, B, C, D, S and other content identifiers except T, the first topology connection corresponding to the other content identifiers is "base station 1-controller", where "base station 1-controller" indicates that the base station 1 can obtain content data corresponding to the other content identifiers from the controller.
In this embodiment, the base station routing rule of the base station 5 may be:
if I or J, base station 5
If G or H, base station 5-base station 4
If K or L, base station 5-base station 6
If not I and J and G and H and K and L, base station 5-controller ".
In this embodiment, the controller routing rule may be:
"If A or B, controller-base station 1
If C or D, controller-base station 2
If Eor F, controller-base station 3
If G or H, controller-base station 4
If I or J, controller-base station 5
If K or L, controller-base station 6
If M or N, controller-base station 7
If O or P, controller-base station 8
If Q or R, controller-base station 9
If S or T, controller-base station 10
If not all, controller-content source server ".
In this embodiment, the controller may cache the controller routing rules.
And step 204, the controller sends the base station routing rule of each base station to the corresponding base station.
In this embodiment, each base station may cache the base station routing rule of the base station, and the base station routing rule of each base station is different.
For example, as shown in fig. 1, if the mobile terminal accesses the base station 5, the base station 5 is an attached base station. The attached base station is a base station closest to the mobile terminal.
For example: if the content identifier is I, the first topological connection corresponding to the content identifier S is 'base station 5'; and if the content identifier is S, the first topological connection corresponding to the content identifier S is 'base station 5-controller'.
If the dependent base station identifies that the content network equipment is the dependent base station, inquiring content data corresponding to the content identification; if the attached base station identifies that the content network equipment is an adjacent base station, acquiring content data corresponding to the content identification from the adjacent base station; and if the attached base station identifies that the content network equipment is the controller, acquiring content data corresponding to the content identification from the controller.
The content network device is a network device that stores content data requested by the attached terminal or a network device that the attached terminal can acquire the content data, and examples of the network device include: the content network device may be a base station, a controller, or a content source server.
As shown in fig. 1, the base station 5 is an attached base station.
For example, if the content identifier is I, and the content identifier identified by the attached base station is I, the first topology connection corresponding to the identified content identifier I is "base station 5", and the content network device is the base station 5.
For example, if the content identifier is H, the content identifier identified by the attached base station is H, and the first topology connection corresponding to the identified content identifier H is "base station 5-base station 4", the content network device is base station 4, and base station 4 is a neighboring base station of the attached base station.
For example, if the content identifier V is identified by the attached base station, and the content identifier identified by the attached base station is V, the first topology connection corresponding to the identified content identifier V is "base station 5-controller", and then the content network device is a controller.
In step 209, the neighboring base station queries the content data corresponding to the content identifier according to the content identifier, sends the content data corresponding to the content identifier to the attached base station, and executes step 220.
And step 211, the controller queries a second topology connection corresponding to the content identifier according to the controller routing rule.
For example: if the content identifier is I, the second topological connection corresponding to the content identifier S is 'base station 5'; and if the content identifier is S, the second topological connection corresponding to the content identifier S is 'base station 5-controller'.
For example, if the content identifier P is identified, and the content identifier identified by the controller is P, the second topological connection corresponding to the identified content identifier P is "base station 8", and the content network device is base station 8, and base station 8 is a non-adjacent base station of base station 5.
For example, if the content identifier is V, the content identifier identified by the attached base station is V, and the second topology connection corresponding to the identified content identifier V is "controller-content source server", the content network device is the content source server.
Step 215, the controller sends content data corresponding to the content id to the attached base station, and step 220 is executed.
In step 218, the controller sends content data corresponding to the content id to the attached base station, and performs step 220.
As can be seen from step 208, step 209, and step 220, the forwarding path of the content data is: neighbor base station-dependent base station-mobile terminal.
As can be seen from steps 210 to 215 and 220, the forwarding path of the content data is: non-neighboring base stations-controllers-dependent base stations-mobile terminals.
As can be seen from steps 210 to 212, 216 to 218, and 220, the forwarding path of the content data is: content source server-controller-attached base station-mobile terminal.
Further, the method may further include: and caching content data corresponding to the content identification by the attached base station. And if the storage space attached to the base station is insufficient, deleting the content data with the lowest download rate stored in the attached base station, and releasing the storage space to cache the content data corresponding to the content identification.
Further, when the content data cached in the attached base station changes, the base station cache content directory cached by the controller also changes, and correspondingly, the base station routing rule and the controller routing rule also change. And the controller issues the changed base station routing rule to the corresponding base station.
In the technical scheme of the data processing method provided by this embodiment, the network system includes a content server, a controller and a plurality of base stations, each base station is connected with the controller, and the attached base station acquires content data corresponding to the content identifier from the attached base station, an adjacent base station or the controller and sends the content data corresponding to the content identifier to the mobile terminal.
An embodiment of the present invention provides a data processing system, as shown in fig. 1, the data processing system includes: the network system comprises a content source server, a controller and a plurality of base stations, wherein each base station is connected with the controller.
The mobile terminal is used for sending a content request to an attached base station, the content request comprises a content identifier, and the attached base station is a base station accessed by the mobile terminal in a plurality of base stations.
The dependent base station is used for acquiring content data corresponding to the content identification from the dependent base station, an adjacent base station or a controller, wherein the adjacent base station is a base station adjacent to the dependent base station in the plurality of base stations; and sending the content data corresponding to the content identification to the mobile terminal.
In this embodiment, the dependent base station is configured to query a first topological connection corresponding to a content identifier according to a base station routing rule of the dependent base station, where the base station routing rule includes a plurality of content identifiers and a first topological connection corresponding to each content identifier; identifying the content network equipment in the first topological connection corresponding to the content identification as an attached base station, an adjacent base station or a controller; if the content network equipment is identified as the attached base station, inquiring content data corresponding to the content identification; if the content network equipment is identified as the adjacent base station, acquiring content data corresponding to the content identification from the adjacent base station; and if the content network equipment is identified as the controller, acquiring content data corresponding to the content identification from the controller.
In this embodiment, the attached base station is configured to send a content request to the controller. The controller is used for inquiring second topological connection corresponding to the content identification according to a controller routing rule, wherein the controller routing rule comprises a plurality of content identifications and second topological connection corresponding to each content identification; according to the content identification, the content network equipment in the second topological connection is a non-adjacent base station or a content source server, wherein the non-adjacent base station is an attached base station in the plurality of base stations and a base station except the adjacent base station; if the content network equipment is identified as a non-adjacent base station, sending a content request to the non-adjacent base station; the non-adjacent base station inquires content data corresponding to the content identification according to the content identification, sends the content data corresponding to the content identification to the controller and sends the content data corresponding to the content identification to the attached base station; if the content network equipment is identified as a content source server, sending a content request to the content source server; and the content source server inquires content data corresponding to the content identification according to the content identification, sends the content data corresponding to the content identification to the controller and sends the content data corresponding to the content identification to the attached base station.
In this embodiment, the controller is further configured to generate a controller routing rule of the controller and a base station routing rule of each base station according to the base station topology and the base station cache content directory; and sending the base station routing rule of each base station to the corresponding base station.
In this embodiment, the content source server is further configured to send corresponding content data to the plurality of base stations, so that each base station caches the received content data; and sending a base station cache content directory to the controller, wherein the base station cache content directory comprises content identification corresponding to the content data cached by each base station.
In the technical scheme of the data processing system provided in this embodiment, the network system includes a content server, a controller and a plurality of base stations, each base station is connected to the controller, and the attached base station acquires content data corresponding to the content identifier from the attached base station, an adjacent base station or the controller, and sends the content data corresponding to the content identifier to the mobile terminal.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (8)
1. A data processing method is characterized in that the method is based on a network system, the network system comprises a content source server, a controller and a plurality of base stations, and each base station is connected with the controller;
the method comprises the following steps:
the method comprises the steps that a mobile terminal sends a content request to an attached base station, wherein the content request comprises a content identifier, and the attached base station is a base station accessed by the mobile terminal in a plurality of base stations;
the dependent base station acquires content data corresponding to the content identification from the dependent base station, an adjacent base station or a controller, wherein the adjacent base station is a base station adjacent to the dependent base station in the plurality of base stations;
the attached base station sends content data corresponding to the content identification to the mobile terminal;
the step of the dependent base station acquiring the content data corresponding to the content identifier from the dependent base station, the adjacent base station or the controller comprises the following steps:
the dependent base station inquires out a first topological connection corresponding to the content identification according to a base station routing rule of the dependent base station, wherein the base station routing rule comprises a plurality of content identifications and the first topological connection corresponding to each content identification;
the content network equipment in the first topological connection corresponding to the content identification of the dependent base station is the dependent base station, the adjacent base station or the controller;
if the attached base station identifies that the content network equipment is a controller, acquiring content data corresponding to the content identification from the controller;
if the attached base station identifies that the content network device is a controller, acquiring content data corresponding to the content identifier from the controller comprises the following steps:
the attached base station sends a content request to the controller;
the controller inquires out a second topological connection corresponding to the content identification according to a controller routing rule, wherein the controller routing rule comprises a plurality of content identifications and the second topological connection corresponding to each content identification;
the controller is used for identifying content network equipment in the second topological connection corresponding to the content identification as a non-adjacent base station or a content source server, wherein the non-adjacent base station is an attached base station in the plurality of base stations and a base station except the adjacent base station;
if the controller identifies that the content network equipment is a non-adjacent base station, the controller sends a content request to the non-adjacent base station; the non-adjacent base station inquires content data corresponding to the content identification according to the content identification and sends the content data corresponding to the content identification to the controller; the controller sends content data corresponding to the content identification to the attached base station;
if the controller identifies that the content network equipment is a content source server, the controller sends a content request to the content source server; the content source server inquires content data corresponding to the content identification according to the content identification and sends the content data corresponding to the content identification to the controller; and the controller sends content data corresponding to the content identification to the attached base station.
2. The data processing method of claim 1, wherein the method further comprises:
if the dependent base station identifies that the content network equipment is the dependent base station, inquiring content data corresponding to the content identification;
and if the attached base station identifies that the content network equipment is the adjacent base station, acquiring content data corresponding to the content identification from the adjacent base station.
3. The data processing method of claim 2, wherein before the mobile terminal sends the content request to the attached base station, the method further comprises:
the controller generates a controller routing rule of the controller and a base station routing rule of each base station according to the base station topology and the base station cache content directory;
and the controller sends the base station routing rule of each base station to the corresponding base station.
4. The data processing method of claim 3, wherein before the controller generating the controller routing rule of the controller and the base station routing rule of each base station according to the base station topology and the base station cache content directory, the method further comprises:
the content source server sends corresponding content data to a plurality of base stations so that each base station can cache the received content data;
and the content source server sends a base station cache content directory to the controller, wherein the base station cache content directory comprises content identification corresponding to the content data cached by each base station.
5. A data processing system, comprising: the system comprises a network system and a mobile terminal, wherein the network system comprises a content source server, a controller and a plurality of base stations, and each base station is connected with the controller;
the mobile terminal is used for sending a content request to an attached base station, wherein the content request comprises a content identifier, and the attached base station is a base station accessed by the mobile terminal in a plurality of base stations;
the dependent base station is used for acquiring content data corresponding to the content identifier from the dependent base station, an adjacent base station or a controller, wherein the adjacent base station is a base station adjacent to the dependent base station in the plurality of base stations; sending content data corresponding to the content identification to the mobile terminal;
the dependent base station is used for inquiring a first topological connection corresponding to the content identifier according to a base station routing rule of the dependent base station, wherein the base station routing rule comprises a plurality of content identifiers and the first topological connection corresponding to each content identifier; identifying the content network equipment in the first topological connection corresponding to the content identification as an attached base station, an adjacent base station or a controller; if the content network equipment is identified as the controller, acquiring content data corresponding to the content identification from the controller;
the attached base station is used for sending a content request to the controller;
the controller is used for inquiring second topological connection corresponding to the content identification according to a controller routing rule, wherein the controller routing rule comprises a plurality of content identifications and second topological connection corresponding to each content identification; according to the content identification, the content network equipment in the second topological connection is a non-adjacent base station or a content source server, wherein the non-adjacent base station is an attached base station in the plurality of base stations and a base station except the adjacent base station; if the content network equipment is identified as a non-adjacent base station, sending a content request to the non-adjacent base station; the non-adjacent base station inquires content data corresponding to the content identification according to the content identification, sends the content data corresponding to the content identification to the controller and sends the content data corresponding to the content identification to the attached base station; if the content network equipment is identified as a content source server, sending a content request to the content source server; and the content source server inquires content data corresponding to the content identification according to the content identification, sends the content data corresponding to the content identification to the controller and sends the content data corresponding to the content identification to the attached base station.
6. The data processing system of claim 5, wherein the dependent base station is configured to query content data corresponding to the content identifier if the content network device is identified as the dependent base station; and if the content network equipment is identified as the adjacent base station, acquiring content data corresponding to the content identification from the adjacent base station.
7. The data processing system of claim 6, wherein the controller is further configured to generate a controller routing rule for the controller and a base station routing rule for each base station according to the topology of the base stations and the base station cache content directory; and sending the base station routing rule of each base station to the corresponding base station.
8. The data processing system of claim 7, wherein the content source server is further configured to send corresponding content data to a plurality of base stations for each base station to buffer the received content data; and sending a base station cache content directory to the controller, wherein the base station cache content directory comprises content identification corresponding to the content data cached by each base station.
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CN201810448371.4A CN108683725B (en) | 2018-05-11 | 2018-05-11 | Data processing method and data processing system |
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CN108683725B true CN108683725B (en) | 2021-09-10 |
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CN104023355A (en) * | 2014-05-15 | 2014-09-03 | 北京邮电大学 | Wireless communication network system based on centralized control and content distribution |
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CN107295619A (en) * | 2017-08-10 | 2017-10-24 | 北京邮电大学 | A kind of base station dormancy method based on user's connection matrix in edge cache network |
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CN103703747A (en) * | 2013-08-13 | 2014-04-02 | 华为技术有限公司 | Internet content storage method and apparatus |
CN104023355A (en) * | 2014-05-15 | 2014-09-03 | 北京邮电大学 | Wireless communication network system based on centralized control and content distribution |
CN106059921A (en) * | 2016-05-06 | 2016-10-26 | 中国科学技术大学 | Content routing system of network layer based on software defined networking (SDN) technology and content-centric networking (CCN) frame and working mode thereof |
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