CN110493822A - Point-to-multipoint delivery device and system - Google Patents
Point-to-multipoint delivery device and system Download PDFInfo
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- CN110493822A CN110493822A CN201910721373.0A CN201910721373A CN110493822A CN 110493822 A CN110493822 A CN 110493822A CN 201910721373 A CN201910721373 A CN 201910721373A CN 110493822 A CN110493822 A CN 110493822A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0205—Traffic management, e.g. flow control or congestion control at the air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
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- Computer Networks & Wireless Communication (AREA)
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Abstract
This application involves a kind of point-to-multipoint delivery device and system, according to the QoS attribute (such as priority) of each remote termination business, difference is divided according to user demand to eat dishes without rice or wine Business Stream, then according to difference eat dishes without rice or wine Business Stream carry out data transmission, to realize precisely to the guarantee of QoS attribute and management of different user different business, complicated application scenarios and demand are more adapted to, meet the needs of different user.
Description
Technical field
This application involves technical field of micro communication, more particularly to a kind of point-to-multipoint delivery device and system.
Background technique
Microwave communication techniques can be divided into point-to-point group-net communication and point-to-multipoint group-net communication, due to microwave communication user
Formula it is flexible and convenient, with the characteristics such as roomy rate is high, propagation delay time is small so that microwave transmission is widely used in various application scenarios
In, such as: the passback of 4G/5G network, video monitoring passback, broadband access, enterprise's special line, provider backbone is set up, rural power grids return
The scenes such as biography.
In the group-net communication mode of point-to-multipoint, entire microwave telecommunication system is a kind of distributed radio system,
The communication network being usually made of central station (near-end machine) and terminal station (remote termination) is constituted, and is able to achieve spatially from any to more
Point transmission information.Proximal mechanism is at the round wireless zone for covering 360 ° of directions, as long as and remote termination side is arranged one and faces
The compact directional antenna in near-end machine direction can set up communication line.Each remote termination can distribute more than ten or dozens of industry
Be engaged in user, and the user that can be also extended to if necessary by relay station outside several hundred kilometers uses.In this way wireless frequency is obtained
It efficiently uses and utilization rate of equipment and installations is higher, and the monitoring system of near-end machine can efficiently monitor the shape of each service-user route
State and equipment state, repair for user.
But in current point-to-multipoint communication system, different time-frequency money is being divided generally directed to different remote terminations
When source, it is inaccurate to service quality (Quality of Service, QoS) the attribute guarantee and management of every kind of business.
Summary of the invention
Based on this, it is necessary in above-mentioned current point-to-multipoint communication system, drawn generally directed to different remote terminations
When point different running time-frequency resources, the technical issues of guarantee of QoS attribute and management to every kind of business are inaccurate, a kind of point is provided
To multi-point device and system.
In a first aspect, the embodiment of the present application provides a kind of point-to-multipoint delivery device, which includes: complicated flow management mould
Block, air-interface scheduling module, physical layer block and radio frequency processing module；
Complicated stream management module is managed for the QoS attribute data to multiple remote termination business；It wherein manages and includes
It is required to divide different Business Streams of eating dishes without rice or wine for the business datum of remote termination according to different QoS；
Air-interface scheduling module is determined for the qos requirement according to each of complicated stream management module division Business Stream of eating dishes without rice or wine
The data volume of each Business Stream of eating dishes without rice or wine, and the corresponding business datum of each data volume is sent to physical layer block；
Business datum is modulated coding for receiving the business datum of air-interface scheduling module transmission by physical layer block
After be sent to radio frequency processing module；
Radio frequency processing module, the business datum after modulating-coding for receiving physical layer block transmission, and modulation is compiled
Business datum after code is converted to radiofrequency signal and is sent.
In one of the embodiments, above-mentioned complicated stream management module include complex traffic classification unit, soft exchange unit and
It eats dishes without rice or wine flow control unit；
Then complex traffic classification unit, for being repaired according to user demand to business datum progress Flow Policy control and QoS attribute
Change, and control and modified business datum are sent to soft exchange unit；
Soft exchange unit divides into different remote terminations with modified business datum for that will control according to MAC Address
Data flow, and the business datum after differentiation is sent to flow control unit of eating dishes without rice or wine；
It eats dishes without rice or wine flow control unit, is required on interface in the sky according to different QoS, the business that soft exchange unit is sent
Data are divided into different Business Streams of eating dishes without rice or wine, and carry out queue management to each Business Stream of eating dishes without rice or wine.
Above-mentioned complex traffic classification unit is also used to carry out port label, traffic shaping, flow in one of the embodiments,
At least one of supervision, packet filtering, redirection, undertaking ether net side QoS attribute.
Above-mentioned air-interface scheduling module is used for the qos requirement according to Business Stream of each eating dishes without rice or wine, sky in one of the embodiments,
Mouth physical resource and channel conditions determine the transmission business datum for Business Stream of each eating dishes without rice or wine by preset dynamic dispatching algorithm
Size, and according to preset physical frame formats, business datum is sent to physical layer block by Channel Physical frame resource.
Above-mentioned complex traffic classification unit is arranged in exchange chip in one of the embodiments,；Soft exchange unit is eated dishes without rice or wine
In flow control unit and the centrally disposed processor CPU of air-interface scheduling module；Physical layer block is arranged in FPGA.
Above-mentioned complex traffic classification unit is arranged in exchange chip in one of the embodiments,；Soft exchange unit is eated dishes without rice or wine
Flow control unit, air-interface scheduling module, physical layer block are arranged in FPGA.
In one of the embodiments, above-mentioned complex traffic classification unit, soft exchange unit, flow control unit of eating dishes without rice or wine, eat dishes without rice or wine
Scheduler module, physical layer block are arranged in FPGA.
Above-mentioned soft exchange unit and flow control unit of eating dishes without rice or wine pass through multiple logic query's interfaces in one of the embodiments,
It realizes, multiple logic query's interface and complicated stream management module and air-interface scheduling module, physical layer are in concentrated setting in FPGA
In.
Radio frequency processing module is also used to receive radiofrequency signal in one of the embodiments, and by radiofrequency signal convert into
Physical layer block is transmitted to after row processing to be parsed.
Second aspect, the embodiment of the present application provide a kind of point-to-multipoint communication system, which includes: near-end machine and distal end
Machine；It include the point-to-multipoint delivery device that above-mentioned first aspect embodiment provides in the near-end machine.
The third aspect, the embodiment of the present application provide a kind of point-to-multipoint communication system, which includes: near-end machine and distal end
Machine；It include the point-to-multipoint delivery device that above-mentioned first aspect embodiment provides in the remote termination.
A kind of point-to-multipoint delivery device and system provided by the embodiments of the present application belong to according to the QoS of each remote termination business
Property (such as priority), dividing difference according to user demand eats dishes without rice or wine Business Stream, then carries out data hair according to difference Business Stream of eating dishes without rice or wine
It send, to realize precisely to the guarantee of QoS attribute and management of different user different business, more adapts to complicated application scenarios and need
It asks, meets the needs of different user.
Detailed description of the invention
Fig. 1 is a kind of point-to-multipoint delivery apparatus structure block diagram that one embodiment provides；
Fig. 2 is a kind of point-to-multipoint delivery apparatus structure block diagram that one embodiment provides；
Fig. 3 is a kind of point-to-multipoint delivery apparatus structure schematic diagram that one embodiment provides；
Fig. 4 is a kind of point-to-multipoint delivery device architecture schematic diagram that one embodiment provides；
Fig. 5 is a kind of point-to-multipoint delivery device architecture schematic diagram that one embodiment provides；
Fig. 6 is a kind of point-to-multipoint delivery device architecture schematic diagram that one embodiment provides；
Fig. 7 is a kind of point-to-multipoint delivery device architecture schematic diagram that one embodiment provides；
Fig. 8 is a kind of point-to-multipoint communication system schematic diagram that one embodiment provides.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.
The description and claims of this application and term " first ", " second ", " third " and " in the attached drawing
Four " etc. are not use to describe a particular order for distinguishing different objects.In addition, term " includes " and " having " and it
Any deformation, it is intended that cover and non-exclusive include.Such as it contains the process, method of a series of steps or units, be
System, product or equipment are not limited to listed step or unit, but optionally further comprising the step of not listing or list
Member, or optionally further comprising other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
In one embodiment, Fig. 2 provides a kind of point-to-multipoint delivery device, which includes: complicated flow management mould
Block, air-interface scheduling module, physical layer block and radio frequency processing module；Complicated stream management module, for multiple remote termination business
QoS attribute data be managed；Wherein management include according to different QoS require be remote termination business datum divide it is different
It eats dishes without rice or wine Business Stream；Air-interface scheduling module, for according to complicated stream management module divide each of Business Stream of eating dishes without rice or wine qos requirement,
It determines the data volume for Business Stream of each eating dishes without rice or wine, and the corresponding business datum of each data volume is sent to physical layer block；Physics
Layer module is sent to radio frequency after business datum is modulated coding for receiving the business datum of air-interface scheduling module transmission
Processing module；Radio frequency processing module, the business datum after modulating-coding for receiving physical layer block transmission, and modulation is compiled
Business datum after code is converted to radiofrequency signal and is sent.
In the present embodiment, between complicated stream management module, air-interface scheduling module, physical layer block and radio frequency processing module
Connection relationship is that complicated stream management module is connect with air-interface scheduling module, and air-interface scheduling module is connect with physical layer block, physics
Layer module connect with radio frequency processing module, and corresponding data flow is complexity stream management module to air-interface scheduling module, from eating dishes without rice or wine
Scheduler module arrives physical layer block again, then arrives radio frequency processing module.
Wherein, complicated stream management module carries out pipe for QoS attribute (such as priority) data to multiple remote termination business
Reason；Wherein management includes being required to divide different Business Streams of eating dishes without rice or wine for the business datum of remote termination according to different QoS；Illustratively,
It, can be according to different remote terminations by industry after complicated stream management module accepts the QoS attribute of each remote termination business of ether net side
Business data are divided into different data flows, are then based on the QoS attribute of each business datum, continue to classify to business datum, draw
Divide different Business Streams of eating dishes without rice or wine, the business datum after division is then sent into air-interface scheduling mould according to different Business Streams of eating dishes without rice or wine
Block.
Wherein, air-interface scheduling module, for being wanted according to the QoS of each of complicated stream management module division Business Stream of eating dishes without rice or wine
It asks, determines the data volume for Business Stream of each eating dishes without rice or wine, and the corresponding business datum of each data volume is sent to physical layer block；It can
Selection of land, in one embodiment, which is used for the qos requirement according to Business Stream of each eating dishes without rice or wine, physics of eating dishes without rice or wine provides
Source and channel conditions determine the transmission business datum size for Business Stream of each eating dishes without rice or wine, and root by preset dynamic dispatching algorithm
According to preset physical frame formats, business datum is sent to physical layer block by Channel Physical frame resource.Specifically, it eats dishes without rice or wine to adjust
Module is spent as unit of each Business Stream of eating dishes without rice or wine, and obtains the qos requirement for Business Stream of each eating dishes without rice or wine, eat dishes without rice or wine physical resource and channel
The influence factors such as situation are called preset dynamic dispatching algorithm to determine the transmission size of data of each Business Stream of eating dishes without rice or wine, are based on
Business datum to be sent is passed through channel according to preset physical frame formats by the size of each of determining traffic data amount of eating dishes without rice or wine
Physical frame resource is sent, that is, sends it to physical layer block.
Wherein, business datum is modulated by physical layer block for receiving the business datum of air-interface scheduling module transmission
Radio frequency processing module is sent to after coding；Specifically, physical layer block is in the business datum for receiving the transmission of air-interface scheduling module
Afterwards, composition physical frame (business datum) is then forwarded to radio frequency processing module after being modulated coding to the business datum, alternatively,
If after the receiving end of the physical layer block receives the physical frame of radio frequency processing module transmission, carrying out demodulation to the physical frame and translating
Code, and composition data packet is to send ether net side to.
Wherein, radio frequency processing module, the business datum after modulating-coding for receiving physical layer block transmission, and will adjust
Business datum after system coding is converted to radiofrequency signal and is sent.Specifically, which includes RF SoC (radio frequency
Module) and Anneta module, wherein radio-frequency module is used to receive the business datum of physical layer block offer (with preset physical frame
Format) signal conversion is carried out, such as DA conversion forms radiofrequency signal then by the data up-conversion after conversion to launching frequency
It is sent by Anneta module.Optionally, in one embodiment, radio frequency processing module is also used to receive radiofrequency signal, and
Physical layer block is transmitted to after radiofrequency signal conversion is handled to parse.Specifically, antenna mould in radio frequency processing module
Block can also receive external radiofrequency signal, and received radiofrequency signal be carried out signal conversion by radio-frequency module, such as AD turns
It changes, the signal after conversion is then sent to physical layer block, so that physical layer block carries out demodulation coding to the signal, and will
Data packet after demodulation coding passes to ether net side.
A kind of point-to-multipoint delivery device provided in this embodiment, according to the QoS attribute of each remote termination business (as preferentially
Grade), difference is divided according to user demand and is eated dishes without rice or wine Business Stream, data transmission is then carried out according to difference Business Stream of eating dishes without rice or wine, thus real
Now precisely are more adapted to by complicated application scenarios and demand, is met not for the guarantee of QoS attribute and management of different user different business
With the demand of user.
Complicated stream management module, air-interface scheduling module, physical layer block and radio frequency mentioned in based on the above embodiment
The function and data flow of processing module, in one embodiment, as shown in Fig. 2, above-mentioned complexity stream management module includes complexity
Flow taxon, soft exchange unit and flow control unit of eating dishes without rice or wine；Then complex traffic classification unit is used for according to user demand to business
Data carry out Flow Policy control and QoS attribute modification, and control and modified business datum are sent to soft exchange unit；It is soft
Crosspoint, for that will be controlled according to the address media access control address (Media Access Control Address, MAC)
The data flow of different remote terminations is divided into modified business datum, and the business datum after differentiation is sent to flow tube of eating dishes without rice or wine
Manage unit；It eats dishes without rice or wine flow control unit, is required on interface in the sky according to different QoS, the business that soft exchange unit is sent
Data are divided into different Business Streams of eating dishes without rice or wine, and carry out queue management to each Business Stream of eating dishes without rice or wine.
Wherein, complex traffic classification unit is used to carry out Flow Policy control and QoS attribute to business datum according to user demand
Modification, and control and modified business datum are sent to soft exchange unit；Optionally, in one embodiment, the complexity
Stream taxon is also used to carry out port label, traffic shaping, traffic policing, packet filtering, redirection, accepts ether net side
At least one of QoS attribute.Specifically, the function which realizes includes port label, traffic shaping, flow
Supervision, packet filtering, redirection etc., wherein complex traffic classification unit is based on outer layer virtual LAN (Virtual Local
Area Network, VLAN) ID, QinQ technology (also referred to as Stacked VLAN or Double VLAN), message ectonexine VLAN
ID, VLAN message 802.1p priority, the 802.1p priority of QinQ message inner VLAN, outside VLAN ID, alternatively, being based on
VLAN ID of two layers of Tag, QinQ message bilayer Tag, target MAC (Media Access Control) address, source MAC, Ethernet frame head inside and outside QinQ message
Middle protocol type field, IP packet differentiated services code points (Differentiated Services Code Point,
DSCP) priority, the IP precedence of IP packet, three layer protocol type of message, incoming interface, outgoing interface, accesses control list
(Access Control List, ACL) rule, ACL matching order etc. realize traffic shaping, traffic policing, packet filtering, again
The Flow Policies such as orientation.In practical applications, the function of the complex traffic classification unit is equivalent to a complete switch function, energy
It is enough that the QoS attribute of Ethernet is accepted or modified, to meet user to the QoS demand of different kinds of business.Optionally,
The function of the complexity flow module it is perhaps real in CPU hardware or FPGA hardware can be placed on exchange hardware according to the actual situation
It is existing.
Wherein, soft exchange unit divides into different distal ends with modified business datum for that will control according to MAC Address
The data flow of machine, and the business datum after differentiation is sent to flow control unit of eating dishes without rice or wine；Specifically, which realizes function
It can include MAC function of exchange, i.e., business datum be swapped according to MAC Address and be distributed to different remote terminations；Actually answering
In, which can be placed on exchange hardware or central processing unit (Central according to the actual situation
Processing Unit, CPU) hardware or field programmable gate array (Field-Programmable Gate Array,
FPGA it) is realized in hardware.
Wherein, it eats dishes without rice or wine flow control unit, is required on interface in the sky according to different QoS, soft exchange unit is sent
Business datum be divided into different Business Streams of eating dishes without rice or wine, and queue management is carried out to each Business Stream of eating dishes without rice or wine.Specifically, this is eated dishes without rice or wine
Flow control unit realizes that function includes the classification of Business Stream of eating dishes without rice or wine, and establishes, and the queue management for stream of each eating dishes without rice or wine.Actually make
In, due to needing to carry out air interface transmission, then it is based on this, which can be in the sky on interface according to different business
QoS demand is divided into different Business Streams of eating dishes without rice or wine.
A kind of point-to-multipoint delivery device provided in this embodiment carries out stream plan according to user demand by complex traffic classification
Slightly control and QoS attribute modification form different user according to MAC Address by the data packet that function of exchange comes exchange chip
The data of terminal RT are established by flow management function of eating dishes without rice or wine by the classification for Business Stream of eating dishes without rice or wine, and the congestion for stream of each eating dishes without rice or wine is kept away
Exempt from, the queue managements such as congestion management, in this way, being drawn according to the QoS attribute (such as priority) of each remote termination business according to user demand
Point difference is eated dishes without rice or wine Business Stream, then carries out data transmission according to difference Business Stream of eating dishes without rice or wine, thus realize precisely to different user not
With the guarantee of QoS attribute and management of business, meets the needs of different user.
In addition, it is necessary to explanation, above-mentioned complex traffic classification unit, soft exchange unit, flow management of eating dishes without rice or wine, air-interface scheduling mould
Block, physical layer block and radio frequency processing module are the module that software program divides, in order to solve the above-mentioned technical problem according to function
It can be divided, but in practical applications, these software modules, which need to be carried on hardware, to be realized, therefore, based on upper
Each functional module provided in embodiment is stated, the application provides several hardware structure designs.As shown in figure 3, the present apparatus includes 6
Functional module, at complex traffic classification unit, soft exchange unit, flow management of eating dishes without rice or wine, air-interface scheduling module, physical layer block and radio frequency
Module is managed, which in practical applications, can provide a variety of architecture designs according to different hardware selections.
Optionally, provide the first framework: above-mentioned complex traffic classification unit is arranged in exchange chip；Soft exchange unit,
It eats dishes without rice or wine in flow management and the centrally disposed processor CPU of air-interface scheduling module；Physical layer block is arranged in FPGA.
This framework is configured above-mentioned each functional module using exchanger chip+host CPU+physical layer FPGA mode.Such as
Shown in Fig. 4, wherein integrated complex stream taxon in exchange chip, realize function include port label, complex traffic classification,
The Flow Policies such as traffic shaping, traffic policing, packet filtering, redirection, and ether net side QoS attribute is accepted, and according to user
Demand carries out Flow Policy control and QoS attribute modification.Wherein, host CPU integrates soft exchange unit, flow control unit of eating dishes without rice or wine and eats dishes without rice or wine
Scheduler module, wherein soft exchange unit includes that the data packet that exchange chip comes is formed according to MAC Address for realizing function
The data of different user terminals RT；Flow control unit of eating dishes without rice or wine for realizing function include eat dishes without rice or wine Business Stream classification, establish, with
And the queue managements such as Congestion Avoidance, congestion management for stream of each eating dishes without rice or wine；Air-interface scheduling module is for realizing with each business of eating dishes without rice or wine
Stream is unit, according to the qos requirement of each Business Stream of eating dishes without rice or wine, and eat dishes without rice or wine physical resource and channel conditions, data are moved
State scheduling is adapted to physical frame formats, and is sent to physical layer block.Wherein, it is integrated with physical layer block in FPGA, the physics
Layer module is for realizing physical layer related work, by high speed serialization computer expansion bus standard (peripheral
Component interconnect express, PCIE) interface scheduling data content, and pass through coded modulation, press
It carries out being sent to radio frequency processing module according to physical frame formats composition data frame.
In this framework, using the hardware structure of 3 grades of data processings, various functions are decomposed in disparate modules, it can be with
Reduce processor pressure, and each hardware specification (CPU frequency, FPGA resource etc.) is lower, be equivalent to reduce single hardware at
Sheet and power consumption, improve fault restoration rate, so that hardware structure rehabilitation cost is lower.
Optionally, provide second of framework: in one embodiment, above-mentioned complex traffic classification unit is arranged in exchange chip
In；Soft exchange unit, flow control unit of eating dishes without rice or wine, air-interface scheduling module, physical layer block are arranged in FPGA.
Above-mentioned each functional module is configured using exchanger chip+FPGA mode in this framework.As shown in figure 5, its
In, exchange chip integrated complex stream taxon realizes that function includes port label, complex traffic classification, traffic shaping, flow
The Flow Policies such as supervision, packet filtering, redirection, and ether net side QoS attribute is accepted, and Flow Policy is carried out according to user demand
Control and QoS attribute modification.Wherein, soft exchange unit, flow control unit of eating dishes without rice or wine, air-interface scheduling module, object are integrated in FPGA
Manage layer module, wherein soft exchange unit for realizing function include that the data packet that exchange chip comes is according to MAC Address
Form the data of different user terminals RT；Flow control unit of eating dishes without rice or wine for realizing function include eat dishes without rice or wine Business Stream classification, build
It is vertical, and the queue managements such as Congestion Avoidance, the congestion management flowed of each eating dishes without rice or wine；Air-interface scheduling module for realizing function packet
It includes, as unit of each Business Stream of eating dishes without rice or wine, according to the qos requirement of each Business Stream of eating dishes without rice or wine, and eat dishes without rice or wine physical resource and channel
Situation carries out dynamic dispatching to data and is adapted to physical frame formats, and is sent to physical layer block；Physical layer block for realizing
Physical layer related work by the data content that PCIE interface is dispatched, and passes through coded modulation, according to physical frame formats group
It carries out being sent to radio frequency processing module at data frame.
In this framework, partial function is integrated and (CPU correlation function is put into FPGA), hardware cost is reduced
And power consumption, so that entire framework integrated level is higher.
Optionally, the third framework is provided: in one embodiment, above-mentioned complex traffic classification unit, soft exchange unit, sky
Mouth flow control unit, air-interface scheduling module, physical layer block are arranged in FPGA.
Above-mentioned each functional module is configured only with FPGA mode in this framework.As shown in fig. 6, being concentrated in FPGA
It realizes all functional modules, i.e., is all incorporated into one piece of fpga chip and realizes, it, can be direct in flow point class under such framework
According to eating dishes without rice or wine, stream is classified, i.e., handles complex traffic classification, soft switch and flow management synthesis complex traffic classification of eating dishes without rice or wine.
The integrated level of this framework is very high, and data link processes interaction is less, and processing delay is minimum, best performance, whole hardware cost
It reduces, lower power consumption.
Optionally, provide the 4th kind of framework: in one embodiment, above-mentioned soft exchange unit and flow control unit of eating dishes without rice or wine are logical
It crosses multiple logic query's interfaces to realize, multiple logic query's interface and complicated stream management module, air-interface scheduling module, the object
Layer concentrated setting is managed in FPGA.
Under this kind of framework, as shown in fig. 7, the function of soft exchange unit is substituted using complex traffic classification, soft switch
Function be mainly to discriminate between the data flow of different RT, the application utilizes the particularity of complex traffic classification, passes through the different RT's of setting
Data are divided into the mode of different data flows, and the purpose of soft switch is realized in complex traffic classification.In addition it eats dishes without rice or wine flow control unit,
The processing for relating generally to QoS reaches same target using strategy, i.e., in FPGA when complex traffic classification carries out export operation
Portion, using multiple logic query's interfaces can be achieved, entirety realizes point of multiple RT different QoS attribute datas using complex traffic classification
Class.The framework replaces soft interactive module and flow control unit of eating dishes without rice or wine using multiple logic query's interfaces, so that the point-to-multipoint is logical
T unit reduces processing module, reduces processor pressure, improves the operational efficiency of whole device.
Point-to-multipoint delivery device provided by the present application provides four kinds of different hardware according to different functional modules
Framework, and four kinds of frameworks have different emphasis in cost, power consumption, performance, hardware capabilities, can more adapt to different open
Hair demand and scene application.Wherein, the Multiple stage hardwares framework such as interchanger, CPU, FPGA involved in each framework is, it can be achieved that more close
The data buffer storage ability of reason can alleviate data congestion and data packet drop, so that business datum is sent more
It is steady smooth.
The point-to-multipoint delivery device can be applied in microwave point-to-multipoint communication system, in actual use, the dress
Set in point-to-multipoint communication system near-end machine and remote termination be applicable in.Based on point-to-multipoint provided by the embodiments of the present application
Communication device, optionally, as shown in figure 8, the embodiment of the present application provides a kind of point-to-multipoint communication system, which includes: close
Terminal and remote termination；It include point-to-multipoint delivery device provided by the above embodiment in the near-end machine.Optionally, implement at one
It include point-to-multipoint delivery device provided by the above embodiment in the remote termination in example.Illustratively, which can be applied to proximal end
In machine or remote termination, the communication of point-to-multipoint is realized, and ensure the QoS attribute of each user in communication system.In addition the present apparatus
It can be used in the environment such as main line Ethernet, access net, Metropolitan Area Network (MAN), the present embodiment does not limit this.In this way, in various scenes
In mountable point-to-multipoint delivery device provided by the embodiments of the present application, substantially increase application portability, ensured application
The diversified demand of process.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (11)
1. a kind of point-to-multipoint delivery device, which is characterized in that described device includes: complicated stream management module, air-interface scheduling mould
Block, physical layer block and radio frequency processing module；
The complexity stream management module, is managed for the service quality QoS attribute data to multiple remote termination business；It is described
Management includes being required to divide different Business Streams of eating dishes without rice or wine for the business datum of remote termination according to different QoS；
The air-interface scheduling module, for the QoS according to each of the complicated stream management module division Business Stream of eating dishes without rice or wine
It is required that determine the data volume of the Business Stream of eating dishes without rice or wine, and the corresponding business datum of each data volume is sent to institute
State physical layer block；
The physical layer block, the business datum sent for receiving the air-interface scheduling module, the business datum is carried out
The radio frequency processing module is sent to after modulating-coding；
The radio frequency processing module, for receiving the business datum after the modulating-coding that the physical layer block is sent, and by institute
Business datum after stating modulating-coding is converted to radiofrequency signal and is sent.
2. the apparatus according to claim 1, which is characterized in that the complexity stream management module includes complex traffic classification list
Member, soft exchange unit and flow control unit of eating dishes without rice or wine；
The then complex traffic classification unit, for carrying out Flow Policy control and QoS category to the business datum according to user demand
Property modification, and will control and modified business datum be sent to the soft exchange unit；
The soft exchange unit, for being controlled and modified business datum area according to medium access control MAC Address by described
It is divided into the data flow of different remote terminations, and the business datum after differentiation is sent to the flow control unit of eating dishes without rice or wine；
The flow control unit of eating dishes without rice or wine, requires on interface in the sky according to different QoS, and the soft exchange unit is sent
Business datum is divided into different Business Streams of eating dishes without rice or wine, and carries out queue management to each Business Stream of eating dishes without rice or wine.
3. the apparatus of claim 2, which is characterized in that the complex traffic classification unit is also used to carry out port mark
At least one of note, traffic shaping, traffic policing, packet filtering, redirection, undertaking ether net side Qo S attribute.
4. device according to claim 3, which is characterized in that the air-interface scheduling module, for according to industry of each eating dishes without rice or wine
The qos requirement flowed, eat dishes without rice or wine physical resource and channel conditions of being engaged in determine business of each eating dishes without rice or wine by preset dynamic dispatching algorithm
The transmission business datum size of stream, and according to preset physical frame formats, the business datum is passed through into Channel Physical frame resource
It is sent to the physical layer.
5. device according to claim 4, which is characterized in that the complex traffic classification unit is arranged in exchange chip；
In the soft exchange unit, the eat dishes without rice or wine flow control unit and the centrally disposed processor CPU of the air-interface scheduling module；It is described
Physical layer block setting is at the scene in programmable gate array FPGA.
6. device according to claim 4, which is characterized in that the complex traffic classification unit is arranged in exchange chip；
The soft exchange unit, the flow control unit of eating dishes without rice or wine, the air-interface scheduling module, the physical layer are arranged in FPGA.
7. device according to claim 4, which is characterized in that the complex traffic classification unit, the soft exchange unit, institute
Flow control unit of eating dishes without rice or wine, the air-interface scheduling module, the physical layer is stated to be arranged in F PGA.
8. device according to claim 4, which is characterized in that the soft exchange unit and the flow control unit of eating dishes without rice or wine are logical
It crosses multiple logic query's interfaces to realize, the multiple logic query's interface and the air-interface scheduling module, the physical layer block
Concentrated setting is in FPGA.
9. the apparatus according to claim 1, which is characterized in that the radio frequency processing module is also used to receive radiofrequency signal,
And the physical layer block is transmitted to after being handled radiofrequency signal conversion and is parsed.
10. a kind of point-to-multipoint communication system, which is characterized in that the system comprises: near-end machine and remote termination；The near-end machine
In include the claim 1-9 described in point-to-multipoint delivery device.
11. a kind of point-to-multipoint communication system, which is characterized in that the system comprises: near-end machine and remote termination；The remote termination
In include the claim 1-9 described in point-to-multipoint delivery device.
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| CN201910721373.0A CN110493822B (en) | 2019-08-06 | 2019-08-06 | Point-to-multipoint communication device and system |
| PCT/CN2019/124671 WO2021022746A1 (en) | 2019-08-06 | 2019-12-11 | Point-to-multipoint communication apparatus and system |
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| WO2021022746A1 (en) * | 2019-08-06 | 2021-02-11 | 京信通信系统（中国）有限公司 | Point-to-multipoint communication apparatus and system |
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