CN111698694A

CN111698694A - Implementation method of local media edge server system of 5G micro base station

Info

Publication number: CN111698694A
Application number: CN202010452801.7A
Authority: CN
Inventors: 谢胜落; 宋伯炜
Original assignee: SUZHOU ANYWAVE COMMUNICATION TECHNOLOGIES CO LTD
Current assignee: SUZHOU ANYWAVE COMMUNICATION TECHNOLOGIES CO LTD
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-09-22
Anticipated expiration: 2040-05-26
Also published as: CN111698694B

Abstract

A method for implementing a 5G micro base station local media edge server system is provided, wherein the 5G micro base station local media edge server system comprises: and the media edge server is deployed between the 5G base station BBU and the RRU by utilizing the existing 5G O-RAN open micro base station or an indoor distributed coverage network. The server converges local media services at a BBU side, and provides independent media service services for a 5G signal coverage area through a digital fronthaul network covered by a public 5G base station and a mode of sharing or additionally supplementing a digital front end. The invention provides 5G micro base station local media service for application scenes of high-speed rails, motor train units, large passenger ships or travel buses, public buses and the like, and sends videos, comprehensive services, scheduling configuration and management messages to the server through a broadcast network.

Description

Implementation method of local media edge server system of 5G micro base station

Technical Field

The invention relates to a technology in the field of communication, in particular to a method for realizing a 5G micro base station local media edge server system.

Background

At present, the field of mobile communication is rapidly moving into the 5G era. Enhanced mobile broadband (eMBB), large-scale machine type communication (mMTC) and ultra-high-reliability low-delay communication (uRLLC) are three major application scenarios of 5G, and the 5G has the remarkable advantages of high speed, low power consumption, low delay, interconnection of everything and the like in the application scenarios.

Similar to conventional mobile communication technology, 5G provides personalized service contents to users using point-to-point unicast. Unicast may support interactive applications through two-way communication. In addition, live video, online games, internet of things, and internet of vehicles software and firmware upgrades may be requested simultaneously by a large number of users in a particular area. Aiming at the common contents, the point-to-multipoint broadcast or multicast mode can reduce redundant data transmission and save wireless resources.

In recent years, various digital broadcasting technologies are developed and matured continuously, and the digital broadcasting system has the characteristics of wide coverage and timely information transmission, and borrows a transmission channel of digital broadcasting. The integration advantages of a broadcast network and a wireless mobile data network can be fully utilized, and through the application of wireless and multimedia processing technologies, a novel mobile multimedia network which has the characteristics of smooth broadcast and television video playing, low distribution cost and rich content, and has the characteristics of bidirectional interaction, real-time feedback, accurate user information acquisition and the like of mobile internet application is provided; meanwhile, the system has the characteristics of economic investment, low operation cost, convenience in popularization of the terminal and the transmission equipment, good video watching experience and the like. Therefore, the local media server not only provides high-quality video service for the user free, but also adds the user and a new business mode for the operator, and has huge potential commercial value and social value.

In order to more effectively utilize the advantages of the broadcast mode and fully consider the compatibility of the existing 5G NR mode, it is urgently needed to develop research on the broadcast/multicast mixed mode network transmission technology, which mainly includes: 1. according to different service contents, the broadcasting, multicasting and unicasting modes are flexibly and dynamically switched; 2. on the basis of a 5G NR frame structure in compatible R-15, a wireless packet complementing technology of broadcast/multicast and unicast data is researched; 3. in order to realize flexible scheduling of network resources, a cell mode switching technology for realizing self-adaptation is researched, and an MBSFN (multi-cell single frequency network) and PTM (single cell broadcast) flexible switching technology is researched; 4. aiming at network planning invitation required by seamless convergence coverage based on broadcasting/multicasting, an MBSFN cell signal seamless coverage technology based on traffic statistics and content perception prediction is researched. In order to more effectively utilize wireless resources, the convergence of broadcast and unicast has become a necessary trend for the development of 5G technology. Taking Mixed Mode scheme as an example, the future 5G broadcast will focus on flexible resource allocation and dynamic switching of multiple modes, which is one of the important trends in 5G technology development.

Disclosure of Invention

The invention provides a method for realizing a local media edge server system of a 5G micro base station aiming at the defects in the prior art, provides local media services of the 5G micro base station aiming at application scenes such as high-speed rails, motor train units, large-scale passenger ships or travel buses, public buses and the like, and sends videos, comprehensive services, scheduling configuration and management messages to the server through a broadcast network.

The invention is realized by the following technical scheme:

the invention relates to a method for realizing a 5G micro base station local media edge server system, wherein the 5G micro base station local media edge server system comprises the following steps: and the media edge server is deployed between the 5G base station BBU and the RRU by utilizing the existing 5G O-RAN open micro base station or an indoor distributed coverage network. The server converges local media services at a BBU side, and provides independent media service services for a 5G signal coverage area through a digital fronthaul network covered by a public 5G base station and a mode of sharing or additionally supplementing a digital front end.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Detailed Description

The embodiment relates to a method for implementing a 5G micro base station local media edge server system, where the 5G micro base station local media edge server system is shown in fig. 1 and includes: and the media edge server is deployed between the 5G base station BBU and the RRU by utilizing the existing 5G O-RAN open micro base station or an indoor distributed coverage network. The server converges local media services at a BBU side, and provides independent media service services for a 5G signal coverage area through a digital fronthaul network covered by a public 5G base station and a mode of sharing or additionally supplementing a digital front end.

The mode of sharing or additionally supplementing the digital front end refers to that: broadcasting and TV signals and network information are converged at a digital front-end node to become a distributed information processing and forwarding server, the distributed information processing and forwarding server is upwards communicated with a platform to obtain service and configuration, and a service interface is downwards provided for a terminal. The number of nodes is relatively large and distributed over the entire coverage area of the system.

The terminal comprises a mobile phone APP, a webpage and the like, and can obtain functions of live video, video on demand, program review, information reading, Wi-Fi internet surfing and the like. Furthermore, a large screen is also a terminal type. The system can provide the functions of emergency broadcasting, program playing, advertisement displaying and information scrolling.

The local media content carries out media integrated service, scheduling configuration and issuing of management message content in the forms of Internet and broadcast network; the appropriate server performance and bandwidth are flexibly configured through the cloud management platform server; and the digital forward transmission technology is adopted, and a cluster type digital front end covering mode is adopted to provide media service for more than thousands of people to watch media programs simultaneously.

The method comprises the steps that data are pushed to a media edge server through unidirectional broadcasting, a unidirectional broadcasting channel is formed with the node, and the data comprise playing contents, list configuration, video-on-demand file issuing, advertisements, upgrading packets and control commands; the data encapsulation format of the broadcast channel is flexible, and is an IP format and a TS stream format; the cloud network management platform is connected in a two-way mode through a mobile communication network or a wired network and processes reverse uplink data and two-way interactive services, and the functions of equipment state monitoring, service data acquisition and configuration are included.

Preferably, the service is pushed to a digital front end in a digital fronthaul network, a radio frequency signal is formed at the digital front end, the digital front end shares with or additionally supplements the digital front end with a 5G system, Wi-Fi and live television wireless signal coverage is provided besides a 5G coverage signal, the digital front end is compatible with a transmission standard eCPRI or CPRI of the 5G fronthaul network, synchronization of radio frequency carrier waves and symbols is carried out by using the 5G fronthaul network in different digital front ends in the same coverage area, the coverage area is expanded in a distributed network or single frequency network mode, and flexible configuration is carried out on the transmission power, the carrier frequency and the service content of each digital front end through a cloud management platform server.

The cloud management platform server on the Internet side adopts a cloud service building mode, can configure proper server performance and bandwidth according to estimated traffic when selecting cloud service, and comprises a node device background management module, an authentication and Internet access management module and an advertisement management service module.

The foregoing embodiments may be modified in many different ways by those skilled in the art without departing from the spirit and scope of the invention, which is defined by the appended claims and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. An implementation method of a 5G micro base station local media edge server system is characterized in that the 5G micro base station local media edge server system includes: the system comprises a media edge server, a base station unit and a Remote Radio Unit (RRU), wherein the server is deployed between a BBU (base band unit) of a 5G base station and the RRU (remote radio unit) by utilizing the existing 5G O-RAN (radio access network) open micro base station or indoor distributed coverage network, the server gathers local media services on the BBU side, and independent media service services are provided for a 5G signal coverage area in a mode of sharing or additionally supplementing a digital front end through a digital forward network covered by a public 5G base station;

the local media content carries out media integrated service, scheduling configuration and issuing of management message content in the forms of Internet and broadcast network;

the cloud management platform server is used for flexibly configuring proper server performance and bandwidth, and a digital forward transmission technology is adopted, and a cluster type digital front end covering mode is adopted, so that media service is provided for more than thousands of people to watch media programs simultaneously.

2. The method of claim 1, wherein the data is pushed to the media edge server by unidirectional broadcast to form a unidirectional broadcast channel with the node, the data includes broadcast content, list configuration, video file delivery on demand, advertisement, upgrade package, and control command, the data encapsulation format of the broadcast channel is flexible, and is IP format and TS stream format; the cloud network management platform is connected in a two-way mode through a mobile communication network or a wired network and processes reverse uplink data and two-way interactive services, and the functions of equipment state monitoring, service data acquisition and configuration are included.

3. The method of claim 1, wherein the service is pushed to a digital front end in a digital frontend, the radio frequency signal is formed at the digital front end, the digital front end shares or additionally supplements the digital front end with the 5G system, besides the 5G coverage signal, Wi-Fi and live tv radio signal coverage is provided, the digital front end is compatible with a transmission standard eCPRI or CPRI of the 5G frontend, synchronization of radio frequency carriers and symbols is performed by using the 5G frontend in different digital front ends in the same coverage area, a coverage area is expanded in a distributed network or single frequency network form, and a cloud management platform server flexibly configures the transmission power, carrier frequency and service content of each digital front end.

4. The implementation method of the 5G micro base station local media edge server system according to claim 1, wherein the cloud management platform server on the Internet side adopts a cloud service construction mode, can configure proper server performance and bandwidth according to estimated traffic when selecting a cloud service, and comprises node equipment background management, authentication and Internet access management and advertisement management service modules.

5. The method of claim 1, wherein the means for sharing or additionally supplementing the digital front end is: broadcasting and TV signals and network information are converged at a digital front-end node to become a distributed information processing and forwarding server, the distributed information processing and forwarding server is upwards communicated with a platform to obtain service and configuration, and a service interface is downwards provided for a terminal; the nodes are distributed over the entire coverage area of the system.

6. The implementation method of the 5G micro base station local media edge server system as claimed in claim 5, wherein the terminal comprises a mobile phone APP, and the web page has the functions of live video acquisition, video on demand, program review, information reading and Wi-Fi internet surfing.