CN107205286A - A kind of RCC, RRS and distributed base station system - Google Patents
A kind of RCC, RRS and distributed base station system Download PDFInfo
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- CN107205286A CN107205286A CN201610151506.1A CN201610151506A CN107205286A CN 107205286 A CN107205286 A CN 107205286A CN 201610151506 A CN201610151506 A CN 201610151506A CN 107205286 A CN107205286 A CN 107205286A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/14—Backbone network devices
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Abstract
The invention discloses a kind of RCC, RRS and distributed base station system.The RCC is configured with N number of functional module, and each functional module is set up between M wireless remote system RRS respectively first kind link and/or Second Type link；Wherein, the first kind link is used to transmit chain of command data, and the Second Type link is used to transmit data surface data, and N and M are the integer more than or equal to 1.The RRS is configured with user radio resources control and distributes the point module that crosses, and foundation has first kind link or Second Type link between the user radio resources control distributes the functional module in cross point module and wireless cloud center RRC；Wherein, the first kind link is used to transmit chain of command data, and the Second Type link is used to transmit data surface data.The distributed base station system includes RCC as described above and M RRS as described above.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of RCC, RRS and distributed base station system.
Background technology
Based on C-RAN (Centralized, Cooperative, Cloud＆Clean-Radio Access
Network, centralization, collaborative, cloud framework, the wireless access network of green) cloud platform NGFI (Next
Generation Fronthaul Interface, forward pass interface of future generation) network architecture for 2G/3G/4G and
Scene various 5G, the covering of various scenes is completed by flexible forward pass interface, as shown in Figure 1.
Fig. 1 shows desired distributed network architecture under 5G scenes, wherein, RCC (Radio Cloud
Center, wireless cloud center) lead between RRS (Remote Radio System, wireless remote system)
Cross transmission network connection.Based on the network architecture, the interaction between a kind of desired RCC and RRS
For：RCC completes big data computing, then sends instructions to RRS, RRS is in RCC operation results
On the basis of complete the resource allocation eated dishes without rice or wine of correspondence.Equally, each RRS from the information for collection of eating dishes without rice or wine to carrying out
RCC is reported after certain processing.RCC and RRS possess air protocol stack and Base-Band Processing function, two
Concrete function between person can be defined flexibly.
For the RCC-RRS distributed structure/architecture under above-mentioned desired 5G scenes, not yet functional mould at present
The Distributed Design scheme of block, to realize the interaction between above-mentioned RCC and RRS.
The content of the invention
The embodiments of the invention provide a kind of RCC, RRS and distributed base station system, to provide distribution
The distributed frame of functional module in formula base station system.
A kind of RCC provided in an embodiment of the present invention, including：
Be configured with N number of functional module in the RCC, each functional module respectively with M wireless remote system
Being set up between system RRS has first kind link and/or Second Type link；Wherein, the first kind chain
Road is used to transmit chain of command data, and the Second Type link is used to transmit data surface data, and N and M are equal
For the integer more than or equal to 1.
Alternatively, the functional module includes cell-level processing module and user class processing module；Or it is described
Functional module includes chain of command processing module and data surface processing module；Or the functional module includes cell
Level chain of command processing module, cell-level data surface processing module, user class chain of command processing module, user class
Data surface processing module.
Specifically, the cell-level processing module, set up between M RRS has first kind chain respectively
Road and Second Type link, for handling cell level knowledge, and pass through first kind link transmission cell-level
Chain of command information, pass through Second Type link transmission cell-level data surface information；The user class processing module,
Being set up respectively between M RRS has first kind link and Second Type link, for handling user class
Information, and by first kind link transmission user class chain of command information, pass through Second Type link transmission
User-level data face information.
Specifically, the chain of command processing module, set up between M RRS has first kind chain respectively
Road, for handling chain of command information；The data surface processing module, sets up between M RRS respectively
There is Second Type link, for processing data face information.
Specifically, the cell-level chain of command processing module, set up between M RRS has first respectively
Type links, for handling first community level control information, and pass through described in first kind link transmission the
One cell-level control information；The cell-level data surface processing module, sets up between M RRS respectively
There is Second Type link, for handling second community level control information, and pass through Second Type link transmission
The second community level control information.
Specifically, the first community level control information includes：The wireless heterogeneous networks of in cell or minizone
Information；The second community level control information includes：For the cell-level signaling by eating dishes without rice or wine to send.
Specifically, the user class chain of command processing module, set up between M RRS has first respectively
Type links, are controlled for handling user class control information, and by first kind link transmission user class
Information；User-level data face processing module, set up between M RRS has Second Type chain respectively
Road, the business datum for handling user class, and pass through Second Type link transmission user class business datum.
Specifically, the quantity of the user class chain of command processing module and user-level data face processing module
Respectively K, corresponding to K user；Wherein, a user corresponds at a user class chain of command
Module and a user-level data face processing module are managed, K is the integer more than or equal to 1.
Specifically, the user class chain of command processing module includes：
S1AP/X2AP protocol elements, the user class control function for realizing S1/X2 interface application protocols；
RRC protocol elements, the user class control function for realizing RRC agreements；
MAC protocol unit, the user class control function for realizing MAC protocol.
Specifically, user class is transmitted between the rlc protocol unit in the RRC protocol elements and RRS
Control information；Or transmit user between the MAC protocol unit in the RRC protocol elements and RRS
Level control information；Or between the physical layer PHY protocol elements in the RRC protocol elements and RRS
Transmit user class control information；Or the MAC protocol unit in the MAC protocol unit and RRS it
Between transmission user class be directed to eat dishes without rice or wine or Radio Resource control information；Or the MAC protocol unit with
The control information that user class is directed to physical channel is transmitted between PHY protocol elements in RRS.
Specifically, user-level data face processing module includes：
PDCP protocol elements, the user-level data processing function for realizing PDCP agreements；
DDR protocol elements, the user-level data processing function for realizing DDR agreements；
MAC protocol unit, the user-level data processing function for realizing MAC protocol.
Specifically, user class is transmitted between the rlc protocol unit in the DDR protocol elements and RRS
Business datum.
Alternatively, wireless spread-spectrum technology rlc protocol list is also included in the processing module of the user-level data face
Member, the user-level data processing function for realizing rlc protocol.
Specifically, the cell-level chain of command processing module includes：
S1AP/X2AP protocol elements, the cell-level control function for realizing S1/X2 interface application protocols；
RRC protocol elements, the cell-level control function for realizing RRC agreements；
MAC protocol unit, the cell-level control function for realizing MAC protocol.
Specifically, cell-level is transmitted between the rlc protocol unit in the RRC protocol elements and RRS
Control information；Or transmit cell between the MAC protocol unit in the RRC protocol elements and RRS
Level control information；Or between the physical layer PHY protocol elements in the RRC protocol elements and RRS
Transmit cell-level control information；Or the MAC protocol unit in the MAC protocol unit and RRS it
Between transmission cell-level be directed to eat dishes without rice or wine or Radio Resource control information；Or the MAC protocol unit with
The control information that cell-level is directed to physical channel is transmitted between PHY protocol elements in RRS.
Specifically, the cell-level data surface processing module includes：
RRC protocol elements, broadcast capability and/or paging function for realizing RRC agreements；
PDCP protocol elements, the cell-level data processing function for realizing PDCP agreements.
Specifically, the cell-level chain of command processing module and the cell-level data surface processing module are quantity
Respectively L, corresponding and L cell；Wherein, a cell corresponds to a cell-level chain of command processing
Module and a cell-level data surface processing module, L are the integer more than or equal to 1.
Specifically, the air protocol stack in the RCC includes chain of command agreement stack and user face protocol stack；
The chain of command agreement stack includes S1AP/X2AP layers, rrc layer and MAC layer；
The user face protocol stack includes PDCP layers, DDR layers, MAC layer, or including PDCP
Layer, DDR layers, rlc layer, MAC layer.
A kind of RRS provided in an embodiment of the present invention, including：
The RRS is configured with user radio resources control and distributes cross point module, the user radio resource
Foundation has first kind chain between control distributes the functional module in cross point module and wireless cloud center RCC
Road and/or Second Type link；Wherein, the first kind link is used to transmit chain of command data, and described the
Two type links are used to transmit data surface data.
Preferably, the RRS also includes：
Media access control MAC protocol unit, for the wireless heterogeneous networks in the functional module with RCC
RRC protocol elements and/or MAC protocol unit are by first kind link transmission for eating dishes without rice or wine or wirelessly providing
The control information in source；Physical layer PHY protocol elements, for the RRC associations in the functional module with RCC
Discuss the control information that unit and/or MAC protocol unit are directed to physical channel by first kind link transmission；
Wherein, when RCC includes cell-level processing module and user class processing module, the RRS's
In cell-level processing module and/or user class processing module in MAC protocol unit and the RCC
RRC protocol elements and/or MAC protocol unit are by first kind link transmission for eating dishes without rice or wine or wirelessly providing
The control information in source；
When RCC includes chain of command processing module and data surface processing module, the MAC of the RRS
Protocol element and the RRC protocol elements and/or MAC protocol in the chain of command processing module in the RCC
Unit by first kind link transmission be directed to eat dishes without rice or wine or Radio Resource control information；
When RCC includes cell-level chain of command processing module, cell-level data surface processing module, user class
When chain of command processing module and user-level data face processing module, the MAC protocol unit of the RRS and institute
State the RRC agreements in the user class chain of command processing module and/or cell-level chain of command processing module in RCC
Unit and/or MAC protocol unit are directed to by first kind link transmission eats dishes without rice or wine or the control of Radio Resource is believed
Breath；
Wherein, when RCC includes cell-level processing module and user class processing module, the RRS's
PHY protocol elements and the cell-level processing module in the RCC and/or the RRC in user class processing module
The control of protocol element and/or MAC protocol unit by first kind link transmission for physical channel is believed
Breath；
When RCC includes chain of command processing module and data surface processing module, the PHY of the RRS
Protocol element and the RRC protocol elements and/or MAC protocol in the chain of command processing module in the RCC
Unit is directed to the control information of physical channel by first kind link transmission；
When RCC includes cell-level chain of command processing module, cell-level data surface processing module, user class
When chain of command processing module and user-level data face processing module, the PHY protocol elements of the RRS and institute
State the RRC agreements in the cell-level chain of command processing module and/or user class chain of command processing module in RCC
Unit and/or MAC protocol unit are directed to the control information of physical channel by first kind link transmission.
Alternatively, the RRS also includes：
RRC protocol elements in rlc protocol unit, with RCC functional module pass through first kind link
Transmitting stage control information；It is described when RCC includes user class processing module and cell-level processing module
RRS rlc protocol unit and the user class processing module and/or cell-level processing module in the RCC
In RRC protocol elements by first kind link transmission level control information, when RCC includes chain of command
When processing module and data surface processing module, in the rlc protocol unit and the RCC of the RRS
RRC protocol elements in chain of command processing module by first kind link transmission level control information, when
RCC includes cell-level chain of command processing module, cell-level data surface processing module, at user class chain of command
When managing module and user-level data face processing module, rlc protocol unit and the RCC of the RRS
In cell-level chain of command processing module and/or RRC protocol elements in user class chain of command processing module lead to
Cross first kind link transmission level control information；And/or
Pass through Second Type link with the data distribution in RCC functional module/rearrangement DDR protocol elements
Transmit user class business datum；When RCC includes user class processing module and cell-level processing module,
The rlc protocol unit of the RRS and the DDR agreement lists in the user class processing module in the RCC
Member by Second Type link transmission user class business datum, when RCC include chain of command processing module with
During data surface processing module, rlc protocol unit and the data surface in the RCC of the RRS are handled
DDR protocol elements in module are by Second Type link transmission user class business datum, when bag in RCC
Include cell-level chain of command processing module, cell-level data surface processing module, user class chain of command processing module and
During the processing module of user-level data face, rlc protocol unit and the user in the RCC of the RRS
DDR protocol elements in the processing module of DBMS face pass through Second Type link transmission user class business number
According to.
Specifically, the air protocol stack in the RRS includes rlc layer, MAC layer, PHY layer,
Or including MAC layer, PHY layer.
A kind of distributed base station system provided in an embodiment of the present invention, including：
RCC and M RRS as described above as described above.
Specifically, the air protocol stack in the RCC includes chain of command agreement stack and user face protocol stack,
The chain of command agreement stack includes S1AP/X2AP layers, rrc layer and MAC layer, data plane protocols stack
Include PDCP layers, DDR layers, MAC layer；Air protocol stack in the RRS includes RLC
Layer, MAC layer, PHY layer；Or
Air protocol stack in the RCC includes chain of command agreement stack and user face protocol stack, the control
Face protocol stack processed includes S1AP/X2AP layers, rrc layer and MAC layer, data plane protocols stack PDCP
Layer, DDR layers, MAC layer, rlc layer；Air protocol stack in the RRS include MAC layer,
PHY layer.
In the above embodiment of the present invention, N number of functional module, each functional module are configured in RCC
Setting up first kind link between M RRS respectively is used to transmit chain of command data and/or sets up Equations of The Second Kind
Type link is used to transmit data surface data, so that there is provided the functional module in a kind of distributed base station system
Distributed frame, can be realized based on the structure and be interacted between RCC and RRS.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, institute in being described below to embodiment
The accompanying drawing needed to use is briefly introduced, it should be apparent that, drawings in the following description are only the present invention's
Some embodiments, for one of ordinary skill in the art, are not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the desired NGFI network architectures under 5G scenes；
The access network protocol stack for the 5G that Fig. 2 is applicable by the embodiment of the present invention；
Fig. 3 is a kind of RCC structural representation provided in an embodiment of the present invention；
Fig. 4 is another RCC provided in an embodiment of the present invention structural representation；
Fig. 5 is the air protocol stack schematic diagram in a kind of distributed base station system provided in an embodiment of the present invention；
Fig. 6 is the friendship in a kind of distributed base station system provided in an embodiment of the present invention between RCC and RRS
Mutually.
Embodiment
Fig. 2 shows a kind of access network protocol stack scheme of the demand for 5G, and the protocol stack scheme can be fitted
For the embodiment of the present invention.The protocol layer of chain of command include RRC (Radio Resource Control, wirelessly
Resources control) layer, the protocol layer of user plane include PDCP (Packet Data Convergence Protocol,
PDCP) layer, RLC (Radio Link Control, wireless spread-spectrum technology) layer, MAC
(Media Access Control, media access control) layer and PHY (Physical Layer, physical layer).
For the distributed network architecture, InterCell (minizone) MAC protocol layer, DDR have been newly increased
(Data Distribution＆Reordering, data distribution/rearrangement) protocol layer；RRC protocol layers are added
The function of space interface signaling；The RLCcenter layers and RLCremote protocol layers of mutual exclusion are added, that is, is existed
Be not in RLCremote during RLCcenter, similarly, when there is RLCremote, be not in
RLCcenter。
Wherein, InterCell MAC protocols layer is main realizes the control function that real-time is higher than rrc layer.Remove
IntraCell (in cell) MAC control function (MAC in Fig. 2) is controlled it is outer, also
DDR is controlled, the main data byte length for including notifying DDR on each passage of eating dishes without rice or wine to distribute,
Link information of eating dishes without rice or wine when cell of eating dishes without rice or wine switches etc..
DDR layers of main completion are from the PDCP layers of data received to RLCcenter layers or RLCremote layers
On distribution, from RLCcenter layers or RLCremote layers receive restructuring after be sequentially submitted to PDCP layers and
RLCcenter layers or RLCremote layers of control.When sending data, DDR layers provide according to MAC layer
Data byte size, to RLCremote layers distribution data.Receive data when, DDR layers it is multiple from
The data of RLCremote layers of reception are recombinated, and are sequentially submitted to PDCP layers.DDR layers of reception RRC
The signal deployment that layer is sent, chooses whether to need RLCcenter layers or RLCremote layers of generation.
According to different access planar network architectures, rrc layer carries out spirit to PDCP layers, rlc layer or DDR layers
Configuration living, to adapt to and preferable and nonideal access planar network architecture.Whether it is desired transmission according to network side,
Rrc layer produces RLCcenter layers or RLCremote layers of control signaling, and is allocated to user equipment.
So-called desired transmission refers to the base station of integration, and protocol stack is not separated by, although or separate,
Transmission is fiber direct connection, and (Common Public Radio Interface lead to propagation delay time with current CPRI
Use public wireless electrical interface) propagation delay time in an order of magnitude, or other real-time sexual satisfaction agreements
The transmission of data interaction requirement between the protocol entity of stack；Conversely, being then non-ideal transmission.If preferable
Transmission, rrc layer configuration DDR generations RLCcenter.If non-ideal transmission, rrc layer configuration DDR
Generate RLCremote.
In the embodiment of the present invention, the function of different agreement layers is realized by the protocol element in the protocol layer,
Such as, positioned at the RRC protocol elements of rrc layer, positioned at the MAC protocol unit of MAC layer, it is located at
PDCP layers of PDCP protocol elements, positioned at DDR layers DDR protocol elements, etc..
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
The embodiments of the invention provide a kind of RCC, RRS and a kind of distributed base station system, to realize
Air protocol stack is set in a distributed manner in the distributed network architecture.
The embodiment of the present invention is applicable to the distributed network architecture under the 5G scenes shown in above-mentioned Fig. 1.For
The demand of 5G wireless mobile communications is met, in the distributed network architectures of RCC-RRS, RCC is held
The various control and transfer function of air protocol stack are carried, RRS can realize point of radio open resource
Match somebody with somebody.
It is a kind of RCC provided in an embodiment of the present invention structural representation referring to Fig. 3.As shown in figure 3,
N number of functional module is configured with the RCC, each functional module is set up between M RRS respectively to be had
First kind link and/or Second Type link；Wherein, N and M are the integer more than or equal to 1.
Above-mentioned first kind link is used to transmit chain of command data, and above-mentioned Second Type link is used to transmit data surface number
According to.Interacted between above-mentioned N number of functional module and RRS, so that RRS can be according to each functional module
Requirement distribution idle wireless resource so that the reception and transmission of the data that complete to eat dishes without rice or wine.
RCC, can be divided into N number of functional module (Function by the rule formulated according to air protocol stack
Block), different functional modules is used to realize functions different in air protocol stack.Eated dishes without rice or wine according to different
The division rule of protocol stack, the functional module marked off is also not quite similar, the quantity of the functional module marked off
Also it is not quite similar, i.e. N value is not fixed.
Specifically, division principle that can be based on cell and user, sets cell-level to handle mould in RCC
Block and user class processing module：Cell-level processing module is used to handle cell level knowledge, the packet of cell-level
Control information and data message are included, therefore foundation has the first kind to cell-level module between M RRS respectively
Link and Second Type link, by first kind link transmission cell-level chain of command information, pass through Equations of The Second Kind
Type link transmission cell-level data surface information；User class processing module is used to handle user class information, user class
Information also include control information and data message, therefore user class module respectively between M RRS foundation
There are first kind link and Second Type link, by first kind link transmission user class chain of command information,
Pass through Second Type link transmission user-level data face information.
Division principle that can also be based on chain of command and data surface, sets chain of command processing module in RCC
With data surface processing module：Chain of command processing module, set up between M RRS has the first kind respectively
Link, processing, transmission for chain of command information；Data surface processing module, respectively with M RRS it
Between set up and have Second Type link, processing for data surface information, transmission.
Cell and the division principle and chain of command and the division principle of data surface of user are also based on,
Corresponding functional module is set in RCC.
Preferably, the embodiment of the present invention is using division principle and chain of command and data based on cell and user
The division principle in face, sets corresponding functional module in RCC.Specifically, it can be set in RCC
Cell-level chain of command (Control Plane for Cells) processing module, cell-level data surface processing module (Data
Plane for Cells), user class chain of command (Control Plane for UEs) processing module and user class
Data surface (Data Plane for UEs) processing module, as shown in Figure 4.Wherein, at cell-level chain of command
Reason module and the cell-level data surface processing module are that quantity is respectively L, corresponding to L cell；Its
In, a cell corresponds to a cell-level chain of command processing module and a cell-level data surface processing mould
Block, L is the integer more than or equal to 1, i.e., for being provided with L cell-level control in L cell then RCC
Face processing module processed and L cell-level data surface processing module.User class chain of command processing module and user class
The quantity of data surface processing module is respectively K, corresponding to K user；Wherein, user's correspondence
In a user class chain of command processing module and a user-level data face processing module, K is more than or equal to 1
Integer, i.e., the users in above-mentioned L cell are attached to for K, then K use is provided with RCC
Family level chain of command processing module and K user-level data face processing module.For example, when new user accesses,
RCC then generates user class chain of command processing module corresponding with the user and user-level data face processing module.
Cell-level chain of command processing module, cell-level data surface processing module, user class chain of command processing module,
User-level data face processing module is arranged on RCC, can rely on RCC big data computing capability,
Distribution ground completes minizone, interior cell, single user, the control and data processing of multi-user.
Said one cell-level chain of command processing module, set up between M RRS has the first kind respectively
Link, for handling first community level control information, and by first described in first kind link transmission
Cell-level control information.Wherein, first community level control information can include：In cell or minizone
Radio resource control messages, for example：The user management of carrying in wireless heterogeneous networks in cell, cell
Deng the control for cell, the control of minizone edge customer, edge resource coordination etc. etc..
By taking the air protocol stack shown in Fig. 2 as an example, it may include in cell-level chain of command processing module：
S1AP/X2AP protocol elements, for realizing that the cell-level of S1/X2 interface application protocols controls work(
Energy；
RRC protocol elements, the cell-level control function for realizing RRC agreements；
MAC protocol unit, the cell-level control function for realizing MAC protocol.
Said one cell-level data surface processing module, set up between M RRS has Second Type respectively
Link, for handling second community level control information, and by second described in Second Type link transmission
Cell-level control information.Wherein, second community level control information may include：For by eating dishes without rice or wine what is sent
Cell-level signaling, for example：The common data sent by multicast, BCCH (Broadcast Control
Channel, BCCH), PCCH (Paging Control Channel, Paging Control Channel)
Signaling data etc..
By taking the air protocol stack shown in Fig. 2 as an example, it may include in above-mentioned cell-level data surface processing module：
RRC protocol elements, broadcast capability and/or paging function for realizing RRC agreements；
PDCP protocol elements, the cell-level data processing function for realizing PDCP agreements.
Said one user class chain of command processing module, set up between M RRS has the first kind respectively
Link, letter is controlled for handling user class control information, and by first kind link transmission user class
Breath.Wherein, user class control information, including the context of user control, use the control of interface-free resources
With distribution etc..
By taking the air protocol stack shown in Fig. 2 as an example, it may include in above-mentioned user class chain of command processing module：
S1AP/X2AP protocol elements, for realizing that the user class of S1/X2 interface application protocols controls work(
Energy；
RRC protocol elements, the user class control function for realizing RRC agreements；
MAC protocol unit, the user class control function for realizing MAC protocol.
Said one user-level data face processing module, set up between M RRS has Second Type respectively
Link, the business datum for handling user class, and pass through Second Type link transmission user class business
Data.Wherein, user class business datum, includes the miscellaneous service data of user, the measurement of such as user
Data, data of the session service of user etc..
By taking the air protocol stack shown in Fig. 2 as an example, it may include in the processing module of above-mentioned user-level data face：
PDCP protocol elements, the user-level data processing function for realizing PDCP agreements；
DDR protocol elements, the user-level data processing function for realizing DDR agreements；
MAC protocol unit, the user-level data processing function for realizing MAC protocol.
It can also include in the user-level data face processing module：
Rlc protocol unit, the user-level data processing function for realizing rlc protocol.In RCC
The RLCcenter protocol elements that rlc protocol unit corresponds in Fig. 2.If RCC user-level data face
Rlc protocol unit is included in processing module, then does not include rlc protocol unit in RRS.
Air protocol stack in RCC can be divided into chain of command agreement stack and user face protocol stack.With reference to foregoing reality
Example is applied as can be seen that the chain of command agreement stack in RCC includes S1AP/X2AP layers, rrc layer and MAC
Layer.When the network architecture where RCC be desired transmission when, user face protocol stack include PDCP layers,
DDR layers, rlc layer, MAC layer, when the network architecture where RCC be non-ideal transmission when, user
Face protocol stack includes PDCP layers, DDR layers, MAC layer.
Correspondingly, the embodiment of the present invention additionally provides a kind of RRS, and the RRS is configured with user radio resource
Control distribution crosses point module, and user radio resources control distribution crosses point module and the function in RCC
Being set up between module has first kind link and/or Second Type link, as shown in Figure 4.Wherein, first
Type links are used to transmit chain of command data, and Second Type link is used to transmit data surface data.Each
The number of users and number of cells handled on RRS determine by the actual treatment ability of RRS equipment, both can be with
It is the number of users or multiple cells and this multiple cell of carrying in a cell and a cell
The number of the user carried.
Specifically, above-mentioned user radio resources control distributes the point module that crosses, according to the cell on RCC
The information that level, user class chain of command and data surface are provided completes to distribute the process and sky of local resource to user
The control process of mouth, and according to the corresponding metrical information of eating dishes without rice or wine of requirement feedback of each functional entity on RCC,
Including cell-level and user class metrical information.
By taking the air protocol stack shown in Fig. 2 as an example, user radio resources control is distributed can wrap in the point module that crosses
Include following protocol element：
MAC protocol unit, for the radio resource control RRC agreement list in the functional module with RCC
Member and/or MAC protocol unit by first kind link transmission be directed to eat dishes without rice or wine or Radio Resource control believe
Breath；Wherein, when RCC includes cell-level processing module and user class processing module, the RRS's
In cell-level processing module and/or user class processing module in MAC protocol unit and the RCC
RRC protocol elements and/or MAC protocol unit are by first kind link transmission for eating dishes without rice or wine or wirelessly providing
The control information in source, when RCC includes chain of command processing module and data surface processing module, the RRS
MAC protocol unit and the RCC in chain of command processing module in RRC protocol elements and/or
MAC protocol unit by first kind link transmission be directed to eat dishes without rice or wine or Radio Resource control information, when
RCC includes cell-level chain of command processing module, cell-level data surface processing module, at user class chain of command
When managing module and user-level data face processing module, MAC protocol unit and the RCC of the RRS
In user class chain of command processing module and/or RRC protocol elements in cell-level chain of command processing module and/
MAC protocol unit by first kind link transmission be directed to eat dishes without rice or wine or Radio Resource control information.
PHY protocol elements, for the RRC protocol elements and/or MAC in the functional module with RCC
Protocol element is directed to the control information of physical channel by first kind link transmission；Wherein, when in RCC
Including cell-level processing module and during user class processing module, the PHY protocol elements of the RRS with it is described
RRC protocol elements in cell-level processing module and/or user class processing module and/or MAC in RCC
Protocol element is directed to the control information of physical channel by first kind link transmission, when RCC includes control
When face processing module and data surface processing module processed, PHY protocol elements and the RCC of the RRS
In chain of command processing module in RRC protocol elements and/or MAC protocol unit pass through first kind chain
Road transmission includes cell-level chain of command processing module as RCC, small for the control information of physical channel
When area DBMS face processing module, user class chain of command processing module and user-level data face processing module, institute
State RRS PHY protocol elements and the cell-level chain of command processing module and/or user class in the RCC
RRC protocol elements and/or MAC protocol unit in chain of command processing module are passed by first kind link
The defeated control information for physical channel.
The user radio resources control, which is distributed, can also include rlc protocol unit in the point module that crosses, specifically
For：
Believed with the RRC protocol elements in RCC functional module by the level control of first kind link transmission
Breath；When RCC includes user class processing module and cell-level processing module, the RLC of the RRS
Protocol element and the user class processing module in the RCC and/or the RRC agreements in cell-level processing module
Unit is by first kind link transmission level control information, when RCC includes chain of command processing module sum
During according to face processing module, the rlc protocol unit of the RRS and the chain of command processing mould in the RCC
RRC protocol elements in block are by first kind link transmission level control information, when RCC includes cell
Level chain of command processing module, cell-level data surface processing module, user class chain of command processing module and user class
During data surface processing module, rlc protocol unit and the cell-level in the RCC of the RRS are controlled
RRC protocol elements in face processing module and/or user class chain of command processing module pass through first kind link
Transmitting stage control information.
Rlc protocol unit can also be with the data distribution in RCC functional module/rearrangement DDR agreement lists
Member passes through Second Type link transmission user class business datum；When RCC include user class processing module and
During cell-level processing module, rlc protocol unit and the user class in the RCC of the RRS are handled
DDR protocol elements in module are by Second Type link transmission user class business datum, when bag in RCC
When including chain of command processing module and data surface processing module, the rlc protocol unit of the RRS with it is described
The DDR protocol elements in data surface processing module in RCC pass through Second Type link transmission user class industry
Business data, when RCC includes cell-level chain of command processing module, cell-level data surface processing module, use
When family level chain of command processing module and user-level data face processing module, the rlc protocol unit of the RRS
Pass through Second Type link with the DDR protocol elements in the user-level data face processing module in the RCC
Transmit user class business datum.
In embodiments of the present invention, when the network architecture where RRS is desired transmission, the sky in RRS
Mouth protocol stack includes MAC layer, PHY layer, when the network architecture where RRS is non-ideal transmission,
Air protocol stack in RRS includes rlc layer, MAC layer, PHY layer.
Based on identical technical principle, the embodiment of the present invention additionally provides a kind of distributed base station system, should
Distributed base station system includes the RRS in RCC and M such as above-mentioned embodiment in above-described embodiment.
Whether it is desired transmission according to distributed base station system, rlc protocol unit can in distributed base station system
RCC, which can be located at, may also be located at RRS.Specifically, when distributed base station system is desired transmission,
Rlc protocol unit is set in RCC, when distributed base station system is non-ideal transmission, set in RRS
Rlc protocol unit is put, i.e., there can not be rlc protocol unit simultaneously in RCC and RRS,
With reference to above-described embodiment, the air protocol stack in distributed base station system provided in an embodiment of the present invention
As shown in figure 5, in RRC, air protocol stack includes chain of command agreement stack and user face protocol stack, its
In, chain of command agreement stack includes S1/X2AP layers, rrc layer and interCell MAC layers, i.e., above-mentioned reality
Apply the MAC layer of the chain of command in example, user face protocol stack include PDCP layers, DDR layers, first
The MAC layer of user plane in intraCell MAC layers, i.e. above-described embodiment, when the distributed base station system
During for desired transmission, user face protocol stack also includes RLCcenter layers.In each RRS, air protocol
Stack includes the 2nd intraCell MAC layers, PHY layer, when the distributed base station system is non-ideal transmission
When, the air protocol stack in RRS also includes RLCremote layers.Wherein, RLCcenter layers and
RLCremote layers of mutual exclusion occur.
RLCcenter layers, RLCremote layers, MAC layer and PHY layer function changing with protocol version
Become and change.
Referring to Fig. 6, for the air protocol stack based on above-mentioned distributed base station system in the case of non-ideal transmission,
Interacting between RCC and distributed RRS, wherein, solid line represents first kind link, and dotted line is represented
Second Type link.
As shown in fig. 6, rrc layer in RCC by the rlc layer in first kind link and RRS it
Between transmit user class control information；Or pass through the 2nd intraCell MAC in first kind link and RRS
User class control information is transmitted between layer；Or pass through the physical layer PHY in first kind link and RRS
User class control information is transmitted between layer.For example, user with base station when setting up Radio Link, in RCC
Rrc layer is needed by transmitting user class control information between the rlc layer in first kind link and RRS,
Wireless spread-spectrum technology resource is distributed for the user.
Similarly, the rrc layer in RCC can also pass through the rlc layer in the first link and RRS, second
IntraCell MAC layers and PHY layer transmission cell-level control information.For example：In distributed base station system
During startup, rrc layer includes the distributed base by first kind chain road direction MAC layer and PHY layer transmission
System of standing is the control information of desired transmission or non-ideal transmission.
DDR layers in RCC can be used by being transmitted between the rlc layer in Second Type link and RRS
Family level business datum.
InterCell MAC layers in RCC can by the PHY layer in first kind link and RRS it
Between transmission cell-level or user class be directed to the control information of physical channel, can also by first kind link and
Cell-level or user class are transmitted between the 2nd intraCell MAC layers in RRS for eating dishes without rice or wine or Radio Resource
Control information.For example：When distributed base station system sends data to user, DDR layers then by the
Two type links transmit user data to rlc layer, and MAC layer then passes through first kind chain road direction PHY layer
Subscriber control information of the transmission for physical channel.
In addition, the rrc layer in RCC can also be passed by the MAC layer in Second Type link and RCC
The defeated data for being used to control.
In the above embodiment of the present invention, N number of functional module, each functional module are configured in RCC
Setting up first kind link between M RRS respectively is used to transmit chain of command data or sets up Second Type
Link is used to transmit data surface data, so that there is provided a kind of point of the functional module in distributed base station system
Cloth structure, can be realized based on the structure and be interacted between RCC and RRS, and there is provided being applicable to
The implementation of air protocol stack on distributed base station system.
The present invention is with reference to the production of method according to embodiments of the present invention, equipment (system) and computer program
The flow chart and/or block diagram of product is described.It should be understood that can by computer program instructions implementation process figure and
/ or each flow and/or square frame in block diagram and the flow in flow chart and/or block diagram and/
Or the combination of square frame.These computer program instructions can be provided to all-purpose computer, special-purpose computer, insertion
Formula processor or the processor of other programmable data processing devices are to produce a machine so that pass through and calculate
The instruction of the computing device of machine or other programmable data processing devices is produced for realizing in flow chart one
The device for the function of being specified in individual flow or multiple flows and/or one square frame of block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or the processing of other programmable datas to set
In the standby computer-readable memory worked in a specific way so that be stored in the computer-readable memory
Instruction produce include the manufacture of command device, the command device realization in one flow or multiple of flow chart
The function of being specified in one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices, made
Obtain and perform series of operation steps on computer or other programmable devices to produce computer implemented place
Reason, so that the instruction performed on computer or other programmable devices is provided for realizing in flow chart one
The step of function of being specified in flow or multiple flows and/or one square frame of block diagram or multiple square frames.
, but those skilled in the art once know base although preferred embodiments of the present invention have been described
This creative concept, then can make other change and modification to these embodiments.So, appended right will
Ask and be intended to be construed to include preferred embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without departing from this hair to the present invention
Bright spirit and scope.So, if the present invention these modifications and variations belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprising including these changes and modification.
Claims (24)
1. a kind of wireless cloud center RCC, it is characterised in that N number of function mould is configured with the RCC
Block, each functional module respectively between M wireless remote system RRS set up have first kind link and/
Or Second Type link；Wherein, the first kind link is used to transmit chain of command data, described second
Type links are used to transmit data surface data, and N and M are the integer more than or equal to 1.
2. RCC as claimed in claim 1, it is characterised in that the functional module is included at cell-level
Manage module and user class processing module；Or
The functional module includes chain of command processing module and data surface processing module；Or
The functional module includes cell-level chain of command processing module, cell-level data surface processing module, user
Level chain of command processing module, user-level data face processing module.
3. RCC as claimed in claim 2, it is characterised in that the cell-level processing module, respectively
Being set up between M RRS has first kind link and Second Type link, for handling cell level knowledge,
And by first kind link transmission cell-level chain of command information, pass through Second Type link transmission cell-level
Data surface information；
The user class processing module, set up between M RRS has first kind link and second respectively
Type links, believe for handling user class information, and by first kind link transmission user class chain of command
Cease, pass through Second Type link transmission user-level data face information.
4. RCC as claimed in claim 2, it is characterised in that the chain of command processing module, respectively
Being set up between M RRS has first kind link, for handling chain of command information；
The data surface processing module, set up between M RRS has Second Type link respectively, is used for
Processing data face information.
5. RCC as claimed in claim 2, it is characterised in that the cell-level chain of command handles mould
Block, set up between M RRS has first kind link respectively, for handling first community level control letter
Breath, and pass through first community level control information described in first kind link transmission；
The cell-level data surface processing module, set up between M RRS has Second Type chain respectively
Road, for handling second community level control information, and it is small by described in Second Type link transmission second
Area's level control information.
6. RCC as claimed in claim 5, it is characterised in that the first community level control information bag
Include：The radio resource control messages of in cell or minizone；
The second community level control information includes：For the cell-level signaling by eating dishes without rice or wine to send.
7. RCC as claimed in claim 2, it is characterised in that the user class chain of command handles mould
Block, set up between M RRS has first kind link respectively, for handling user class control information,
And pass through first kind link transmission user class control information；
User-level data face processing module, set up between M RRS has Second Type chain respectively
Road, the business datum for handling user class, and pass through Second Type link transmission user class business number
According to.
8. RCC as claimed in claim 7, it is characterised in that the user class chain of command processing module
Quantity with user-level data face processing module is respectively K, corresponding to K user；Wherein,
One user corresponds to a user class chain of command processing module and a user-level data face processing module, K
For the integer more than or equal to 1.
9. RCC as claimed in claim 7, it is characterised in that the user class chain of command processing module
Include：
S1AP/X2AP protocol elements, for realizing that the user class of S1/X2 interface application protocols controls work(
Energy；
Radio resource control RRC protocol element, the user class control function for realizing RRC agreements；
Media access control MAC protocol unit, the user class control function for realizing MAC protocol.
10. RCC as claimed in claim 9, it is characterised in that the RRC protocol elements and RRS
In rlc protocol unit between transmit user class control information；Or
User class control letter is transmitted between MAC protocol unit in the RRC protocol elements and RRS
Breath；Or
User class control is transmitted between physical layer PHY protocol elements in the RRC protocol elements and RRS
Information processed；Or
User class is transmitted between MAC protocol unit in the MAC protocol unit and RRS for eating dishes without rice or wine
Or the control information of Radio Resource；Or
User class is transmitted between PHY protocol elements in the MAC protocol unit and RRS and is directed to physics
The control information of channel.
11. RCC as claimed in claim 7, it is characterised in that the user-level data face handles mould
Block includes：
At PDCP PDCP protocol elements, the user-level data for realizing PDCP agreements
Manage function；
Data distribution/rearrangement DDR protocol elements, for realizing that the user-level data of DDR agreements handles work(
Energy；
MAC protocol unit, the user-level data processing function for realizing MAC protocol.
12. RCC as claimed in claim 11, it is characterised in that the user-level data face handles mould
Also include in block：
Wireless spread-spectrum technology rlc protocol unit, for realizing that the user-level data of rlc protocol handles work(
Energy.
13. RCC as claimed in claim 11, it is characterised in that the DDR protocol elements and RRS
In rlc protocol unit between transmit user class business datum.
14. RCC as claimed in claim 5, it is characterised in that the cell-level chain of command handles mould
Block includes：
S1AP/X2AP protocol elements, for realizing that the cell-level of S1/X2 interface application protocols controls work(
Energy；
RRC protocol elements, the cell-level control function for realizing RRC agreements；
MAC protocol unit, the cell-level control function for realizing MAC protocol.
15. RCC as claimed in claim 14, it is characterised in that the RRC protocol elements and RRS
In rlc protocol unit between transmit cell-level control information；Or
Cell-level control letter is transmitted between MAC protocol unit in the RRC protocol elements and RRS
Breath；Or
Cell-level control is transmitted between physical layer PHY protocol elements in the RRC protocol elements and RRS
Information processed；Or
Cell-level is transmitted between MAC protocol unit in the MAC protocol unit and RRS for eating dishes without rice or wine
Or the control information of Radio Resource；Or
Cell-level is transmitted between PHY protocol elements in the MAC protocol unit and RRS and is directed to physics
The control information of channel.
16. RCC as claimed in claim 5, it is characterised in that the cell-level data surface handles mould
Block includes：
RRC protocol elements, broadcast capability and/or paging function for realizing RRC agreements；
PDCP protocol elements, the cell-level data processing function for realizing PDCP agreements.
17. RCC as claimed in claim 5, it is characterised in that the cell-level chain of command processing module
It is that quantity is respectively L with the cell-level data surface processing module, correspondence and L cell；Wherein, one
Individual cell corresponds to a cell-level chain of command processing module and a cell-level data surface processing module, and L is
Integer more than or equal to 1.
18. the RCC as any one of claim 1 to 17, it is characterised in that in the RCC
Air protocol stack include chain of command agreement stack and user face protocol stack；
The chain of command agreement stack includes S1AP/X2AP layers, rrc layer and MAC layer；
The user face protocol stack includes PDCP layers, DDR layers, MAC layer, or including PDCP
Layer, DDR layers, rlc layer, MAC layer.
19. a kind of wireless remote system RRS, it is characterised in that the RRS is configured with user radio money
Source control distribution crosses point module, the user radio resources control distribution cross point module with wireless cloud
Being set up between functional module in heart RCC has first kind link and/or Second Type link；Wherein, institute
Stating first kind link is used to transmit chain of command data, and the Second Type link is used to transmit data surface number
According to.
20. RRS as claimed in claim 19, it is characterised in that also include：
Media access control MAC protocol unit, for the wireless heterogeneous networks in the functional module with RCC
RRC protocol elements and/or MAC protocol unit are by first kind link transmission for eating dishes without rice or wine or wirelessly providing
The control information in source；Physical layer PHY protocol elements, for the RRC associations in the functional module with RCC
Discuss the control information that unit and/or MAC protocol unit are directed to physical channel by first kind link transmission；
Wherein, when RCC includes cell-level processing module and user class processing module, the RRS's
In cell-level processing module and/or user class processing module in MAC protocol unit and the RCC
RRC protocol elements and/or MAC protocol unit are by first kind link transmission for eating dishes without rice or wine or wirelessly providing
The control information in source；
When RCC includes chain of command processing module and data surface processing module, the MAC of the RRS
Protocol element and the RRC protocol elements and/or MAC protocol in the chain of command processing module in the RCC
Unit by first kind link transmission be directed to eat dishes without rice or wine or Radio Resource control information；
When RCC includes cell-level chain of command processing module, cell-level data surface processing module, user class
When chain of command processing module and user-level data face processing module, the MAC protocol unit of the RRS and institute
State the RRC agreements in the user class chain of command processing module and/or cell-level chain of command processing module in RCC
Unit and/or MAC protocol unit are directed to by first kind link transmission eats dishes without rice or wine or the control of Radio Resource is believed
Breath；
Wherein, when RCC includes cell-level processing module and user class processing module, the RRS's
PHY protocol elements and the cell-level processing module in the RCC and/or the RRC in user class processing module
The control of protocol element and/or MAC protocol unit by first kind link transmission for physical channel is believed
Breath；
When RCC includes chain of command processing module and data surface processing module, the PHY of the RRS
Protocol element and the RRC protocol elements and/or MAC protocol in the chain of command processing module in the RCC
Unit is directed to the control information of physical channel by first kind link transmission；
When RCC includes cell-level chain of command processing module, cell-level data surface processing module, user class
When chain of command processing module and user-level data face processing module, the PHY protocol elements of the RRS and institute
State the RRC agreements in the cell-level chain of command processing module and/or user class chain of command processing module in RCC
Unit and/or MAC protocol unit are directed to the control information of physical channel by first kind link transmission.
21. RRS as claimed in claim 20, it is characterised in that also including wireless spread-spectrum technology RLC
Protocol element, is used for：
Believed with the RRC protocol elements in RCC functional module by the level control of first kind link transmission
Breath；When RCC includes user class processing module and cell-level processing module, the RLC of the RRS
Protocol element and the user class processing module in the RCC and/or the RRC agreements in cell-level processing module
Unit passes through first kind link transmission level control information；When RCC includes chain of command processing module sum
During according to face processing module, the rlc protocol unit of the RRS and the chain of command processing mould in the RCC
RRC protocol elements in block pass through first kind link transmission level control information；When RCC includes cell
Level chain of command processing module, cell-level data surface processing module, user class chain of command processing module and user class
During data surface processing module, rlc protocol unit and the cell-level in the RCC of the RRS are controlled
RRC protocol elements in face processing module and/or user class chain of command processing module pass through first kind link
Transmitting stage control information；And/or
Pass through Second Type link with the data distribution in RCC functional module/rearrangement DDR protocol elements
Transmit user class business datum；When RCC includes user class processing module and cell-level processing module,
The rlc protocol unit of the RRS and the DDR agreement lists in the user class processing module in the RCC
Member passes through Second Type link transmission user class business datum；When RCC include chain of command processing module and
During data surface processing module, rlc protocol unit and the data surface in the RCC of the RRS are handled
DDR protocol elements in module pass through Second Type link transmission user class business datum；When bag in RCC
Include cell-level chain of command processing module, cell-level data surface processing module, user class chain of command processing module and
During the processing module of user-level data face, rlc protocol unit and the user in the RCC of the RRS
DDR protocol elements in the processing module of DBMS face pass through Second Type link transmission user class business number
According to.
22. the RRS as any one of claim 19 to 21, it is characterised in that the RRS
In air protocol stack include rlc layer, MAC layer, PHY layer, or including MAC layer, PHY
Layer.
23. a kind of distributed base station system, it is characterised in that including：As appointed in claim 1 to 18
The wireless cloud center RCC and M wireless remote systems as described in claim 19 to 22 described in one
RRS。
24. distributed base station system as claimed in claim 23, it is characterised in that in the RCC
Air protocol stack includes chain of command agreement stack and user face protocol stack, and the chain of command agreement stack includes
S1AP/X2AP layers, rrc layer and MAC layer, data plane protocols stack include PDCP layers, DDR layers,
MAC layer；Air protocol stack in the RRS includes rlc layer, MAC layer, PHY layer；Or
Air protocol stack in the RCC includes chain of command agreement stack and user face protocol stack, the control
Face protocol stack processed includes S1AP/X2AP layers, rrc layer and MAC layer, data plane protocols stack PDCP
Layer, DDR layers, MAC layer, rlc layer；Air protocol stack in the RRS include MAC layer,
PHY layer.
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| CN107995656A (en) * | 2017-12-13 | 2018-05-04 | 中国联合网络通信集团有限公司 | A kind of baseband functions collocation method and equipment |
| CN114567927A (en) * | 2022-04-28 | 2022-05-31 | 广州世炬网络科技有限公司 | Data transmission method, device, equipment and storage medium based on CPRI |
| WO2023221054A1 (en) * | 2022-05-19 | 2023-11-23 | Huawei Technologies Co., Ltd. | Systems and methods for a multi-link serving cell |
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| CN102546405A (en) * | 2011-12-27 | 2012-07-04 | 华为技术有限公司 | Business processing method and device of protocol stack |
| US8937865B1 (en) * | 2012-08-21 | 2015-01-20 | Juniper Networks, Inc. | Scheduling traffic over aggregated bundles of links |
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| CN107995656A (en) * | 2017-12-13 | 2018-05-04 | 中国联合网络通信集团有限公司 | A kind of baseband functions collocation method and equipment |
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