CN108737010A - A kind of method and device of information exchange - Google Patents
A kind of method and device of information exchange Download PDFInfo
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- CN108737010A CN108737010A CN201710258408.2A CN201710258408A CN108737010A CN 108737010 A CN108737010 A CN 108737010A CN 201710258408 A CN201710258408 A CN 201710258408A CN 108737010 A CN108737010 A CN 108737010A
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/005—Interference mitigation or co-ordination of intercell interference
- H04J11/0056—Inter-base station aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/005—Interference mitigation or co-ordination of intercell interference
- H04J11/0059—Out-of-cell user aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/27—Control channels or signalling for resource management between access points
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- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
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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
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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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
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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Abstract
A kind of method of information exchange, including：Determine coordination information；Transmit the coordination information.A kind of device of information exchange, including：Determining module, for determining coordination information；Transmission module is used for transmission the coordination information.Dynamic resource coordination may be implemented in this programme.
Description
Technical field
The present invention relates to wireless communication technology field more particularly to a kind of method and devices of information exchange.
Background technology
In order to which forward compatibility supports that service adaptation is an inexorable trend in 5G communications, service adaptation refers to allowing
Uplink downlink is semi-statically configured or dynamic configuration, to meet business load demand or matching business load variation.At present
By the service adaptation unified definition in symmetrical spectrum and non-symmetrical spectrum it is duplexing flexibility in standard.
For flexibly duplex, if each cell is to change frame structure or up and down according to business load dynamic self-adapting
Row configuration, then can bring DL-to-UL interference (interference of the downlink to uplink, also known as eNB- between neighboring community
To-eNB interference, inter base station interference) or UL-to-DL interference (interference of the uplink to downlink, again
Referred to as UE-to-UE interference, the interference between user equipment) across link interference (Cross Link
Interference, abbreviation CLI) problem, data transmission performance is had an impact.And the interaction of some information is carried out between website
Coordination is a kind of means of very effective interference elimination and progress interference management.
In addition, when (new RAT, new generation of wireless connect LTE (Long Term Evolution, long evolving system) and NR
Entering technology) system is when share identical system bandwidth, how to realize that effective different coexistence of systems is also one and to be solved asks
Topic.
Although having interactive interface originally between base station, such as backhaul (passback) signaling, X2 interface (be e-NodeB it
Between interconnection interface, support data and signaling direct transmission), but interaction some information when time delay it is too big, at least
20ms cannot meet the needs of this flexible systems of NR, cannot achieve dynamic coordinate.
Invention content
The embodiment of the present invention provides a kind of method and device of information exchange, to realize that dynamic resource is coordinated.
A kind of method of information exchange, including：
Determine coordination information；
Transmit the coordination information.
Optionally, the coordination information includes one or more information below：
Uplink configuration information, downstream arrangements information, transmission direction information, transmission direction precedence information, scheduling resource point
With information, disturbance level information, channel state indication channel, resource information to be protected, the reference signal pattern of dynamic configuration
Information, timing offset, coordinate different systems system share same asset when resource allocation information, the position of blank resource
The location information of information or reserved resource.
Optionally, the scheduling resource distribution information includes：The user equipment of pre-scheduling, and each user equipment when
Frequency resource and beam direction information.
Optionally, the different systems system share same asset when resource allocation information include：Nonperiodic signal
Transfer resource and/or reserved resource in the resource that does not use.
Optionally, before the transmission coordination information, further include：
By way of X2 mouthfuls of semi-static interactions, or the coordination is determined by way of operation management maintainance configuration
The resource of information transmission.
Optionally, the transmission coordination information includes：
Information is directly controlled by transmission to carry the coordination information.
Optionally, further include before the determining coordination information：
By way of X2 mouthfuls of semi-static interactions, or candidate coordination is configured by way of operation management maintainance configuration
The set of information,
The coordination information of the determination is determined from the set,
The transmission coordination information, including：
Coordination information described in information dynamic instruction is controlled by transmission.
Optionally, the control information is sent by following any channel：
The object of Physical Downlink Control Channel, the Physical Downlink Control Channel of low time delay, Physical Downlink Shared Channel, low time delay
DSCH Downlink Shared Channel, predefined common signal channel are managed, is believed by the specified small time slot of semi-static coordination, proprietary downlink physical
Road.
Optionally, the period of the specified small time slot is either coordinated by X2 mouthfuls by what operation management maintainance configured
's.
Optionally, the specified small time slot is located at Physical Downlink Shared Channel region.
Optionally, the control information is scrambled by proprietary radio network temporary identifier.
Optionally, the control information MAP is to first symbol of time slot or first symbol of small time slot.
A kind of device of information exchange, wherein including：
Determining module, for determining coordination information；
Transmission module is used for transmission the coordination information.
Optionally, the coordination information includes one or more information below：
Uplink configuration information, downstream arrangements information, transmission direction information, transmission direction precedence information, scheduling resource point
With information, disturbance level information, channel state indication channel, resource information to be protected, the reference signal pattern of dynamic configuration
Information, timing offset, coordinate different systems system share same asset when resource allocation information, the position of blank resource
The location information of information or reserved resource,
The scheduling resource distributes information：The user equipment of pre-scheduling, and each running time-frequency resource of user equipment
And beam direction information；
The resource allocation information when systems of the different systems shares same asset includes：The transmission of nonperiodic signal provides
The resource not used in source and/or reserved resource.
Optionally, the determining module is additionally operable to by way of X2 mouthfuls of semi-static interactions, or passes through operational administrative
Safeguard that the mode of configuration determines the resource of the coordination information transmission.
Optionally, the transmission module is directly to control information by transmission to carry the coordination information.
Optionally, described device further includes：
Configuration module is used for by way of X2 mouthfuls of semi-static interactions, or by way of operation management maintainance configuration
The set of candidate coordination information is configured,
The determining module is the coordination information determined from the set；
The transmission module is to control coordination information described in information dynamic instruction by transmission.
Optionally, the control information is sent by following any channel：The physics of Physical Downlink Control Channel, low time delay
Down control channel, Physical Downlink Shared Channel, the Physical Downlink Shared Channel of low time delay, predefined common signal channel, pass through
Specified small time slot, the proprietary down physical channel of semi-static coordination,
The period of the specified small time slot by operation management maintainance configure either by X2 mouthful coordination, it is described
Specified small time slot is located at Physical Downlink Shared Channel region.
Optionally, the control information is scrambled by proprietary radio network temporary identifier, and the control information MAP arrives
First symbol of time slot or first symbol of small time slot.
A kind of device of information exchange, including memory and processor, wherein
The memory is stored with to give an order：Determine coordination information；Transmit the coordination information；
The processor, the instruction for executing the memory storage.
A kind of method of information exchange, including：
Receive coordination information；
It is carried out eliminating interference processing according to the coordination information.
Optionally, the coordination information includes one or more information below：
Uplink configuration information, downstream arrangements information, transmission direction information, transmission direction precedence information, scheduling resource point
With information, disturbance level information, channel state indication channel, resource information to be protected, the reference signal pattern of dynamic configuration
Information, timing offset, coordinate different systems system share same asset when resource allocation information, the position of blank resource
The location information of information or reserved resource.
Optionally, described to be carried out eliminating interference processing according to the coordination information, including：
The adjustment of user and/or scheduling resource is scheduled according to the scheduling resource distribution information in the coordination information,
Either instruction scheduling user is with smaller modulation coding scheme or lower power transmission data；Or
According to the coordination information into the switching of Mobile state and semi-static duplex operating mode；Or
When the transmission direction or structure of time slot for being semi-statically configured time slot are in transmission direction and the association of a time slot configuration
When adjusting the transmission direction difference in information, the user equipment for sending Downlink Control Information instruction scheduling in assigned timeslot is passed in data
Perception is carried out before defeated and does listem-before-talk, or dynamic updates the structural information of assigned timeslot；Or
System coordination scheduling or the data transmission of different systems are carried out according to the coordination information；Or
According to the resource information to be protected, resource reservation is carried out to the user of resource notification subordinate to be protected.
Optionally, the dynamic updates the structural information of assigned timeslot and subordinate user is notified to carry out the information of resource reservation
Information carrying is controlled by common downlink,
The resource of described pair of protection carries out resource reservation：Notify the resource location not transmission data, or notice week
The position of phase and aperiodic reference signal will carry out silent processing when carrying out data transmission.
A kind of device of information exchange, wherein including：
Receiving module, for receiving coordination information；
Processing module eliminates interference processing for being carried out according to the coordination information.
Optionally, the coordination information includes one or more information below：
Uplink configuration information, downstream arrangements information, transmission direction information, transmission direction precedence information, scheduling resource point
With information, disturbance level information, channel state indication channel, resource information to be protected, the reference signal pattern of dynamic configuration
Information, timing offset, coordinate different systems system share same asset when resource allocation information, the position of blank resource
The location information of information or reserved resource.
Optionally, the processing module carries out eliminating interference processing according to the coordination information, including：According to the association
Adjust the distribution of the scheduling resource in information information be scheduled the adjustment of user and/or scheduling resource, or instruction scheduling user with
Smaller modulation coding scheme or lower power transmission data；Or according to the coordination information into Mobile state and semi-static
The switching of duplex operating mode；Either when the transmission direction or structure of time slot for being semi-statically configured time slot are in the biography of a time slot configuration
When transmission direction difference in defeated direction and the coordination information, send Downlink Control Information instruction scheduling assigned timeslot use
Family equipment carries out perception and does listem-before-talk before data is transmitted, or dynamic updates the structural information of assigned timeslot；Or root
System coordination scheduling or the data transmission of different systems are carried out according to the coordination information；Or according to the resource to be protected
Information carries out resource reservation to the user of resource notification subordinate to be protected.
Optionally, the dynamic updates the structural information of assigned timeslot and subordinate user is notified to carry out the information of resource reservation
Information carrying is controlled by common downlink,
The resource of described pair of protection carries out resource reservation：Notify the resource location not transmission data, or notice week
The position of phase and aperiodic reference signal will carry out silent processing when carrying out data transmission.
A kind of device of information exchange, including memory and processor, wherein
The memory is stored with to give an order：Coordination information is received, according to the coordination information eliminate at interference
Reason；
The processor, the instruction for executing the memory storage.
A kind of method of information exchange, including：
User equipment receives the coordination information of base station；
The coordination information is transmitted to other base stations by the user equipment by way of ascending control information.
Optionally, after the user equipment receives coordination information, further include：
To the coordination information absolute coding, or
To the relevant letter of hybrid automatic repeat-request command to answer correctly in the coordination information and ascending control information
Combined coding is ceased, or
The coordination information and channel status indication feedback information consolidation are encoded.
When optionally, to the coordination information absolute coding, the coordination information and ascending control information by frequency division or
The mode of person's time-division is mapped to Physical Uplink Control Channel.
Optionally, the user equipment is to forward the coordination information by following any channel：
Physical Uplink Control Channel；
Physical Uplink Shared Channel；
The Physical Uplink Shared Channel of low time delay；
The Physical Uplink Control Channel of low time delay；
Special uplink physical channel.
Optionally, the physical resource of the ascending control information between base station by X2 mouthfuls of semi-static coordinations, or
The resource configured by operation and maintenance management OAM.
Optionally, the user equipment includes the user equipment of cell edge.
A kind of device of information exchange, wherein including：
Receiving module, the coordination information for receiving base station；
Transmission module, for the coordination information to be transmitted to other base stations by way of ascending control information.
Optionally, described device further includes：
Coding module is used for the coordination information absolute coding, or to the coordination information and ascending control information
In hybrid automatic repeat-request command to answer correctly relevant information consolidation coding, or to the coordination information and channel shape
State indication feedback information consolidation encodes,
When to the coordination information absolute coding, the coordination information and ascending control information pass through frequency division or time-division
Mode is mapped to Physical Uplink Control Channel.
Optionally, the transmission module is to forward the coordination information by following any channel：Physical uplink controls
Channel；Physical Uplink Shared Channel；The Physical Uplink Shared Channel of low time delay；The Physical Uplink Control Channel of low time delay；It is proprietary
Uplink physical channel.
Optionally, the physical resource of the ascending control information between base station by X2 mouthfuls of semi-static coordinations, or
It is configured by operation and maintenance management.
A kind of device of information exchange, including memory and processor, wherein
The memory is stored with to give an order：The coordination information for receiving base station, will by way of ascending control information
The coordination information is transmitted to other base stations；
The processor, the instruction for executing the memory storage.
To sum up, the embodiment of the present invention provides a kind of method and device of information exchange, and dynamic resource coordination may be implemented.
Description of the drawings
The flow chart of Fig. 1 methods of interactive information between a kind of website of the embodiment of the present invention one；
Fig. 2 is the schematic diagram of the downlink channel structure of the embodiment of the present invention；
The interface-free resources for being used for transmission coordination information CI that Fig. 3 coordinates between the different websites of the embodiment of the present invention are shown
It is intended to；
Fig. 4 is a kind of schematic diagram of the device of information exchange of the embodiment of the present invention two；
Fig. 5 is a kind of schematic diagram of the device of information exchange of the embodiment of the present invention three；
The flow chart of Fig. 6 methods of interactive information between a kind of website of the embodiment of the present invention four；
Fig. 7 is the schematic diagram for the switching of the embodiment of the present invention being semi-statically configured between dynamic configuration operation；
Fig. 8 is that the UE of the embodiment of the present invention carries out the schematic diagram of listem-before-talk；
Fig. 9 is the schematic diagram for the resource that the dynamic uplink of the embodiment of the present invention is coordinated；
Figure 10 is the schematic diagram that the short-term PUCCH of the embodiment of the present invention carries the channel architecture of coordination information；
Figure 11 is the schematic diagram that the long-term PUCCH of the embodiment of the present invention carries the channel architecture of coordination information；
Figure 12 is the schematic diagram that the CI of the embodiment of the present invention sends position in a slot；
Figure 13 is the schematic diagram of the time slot position of the special uplink physical channel CICH of the carrying CI of the embodiment of the present invention；
Figure 14 is a kind of schematic diagram of the device of information exchange of the embodiment of the present invention；
Figure 15 is a kind of flow chart of the method for information exchange of the embodiment of the present invention；
Figure 16 is a kind of schematic diagram of the device of information exchange of the embodiment of the present invention；
Figure 17 is the resource and PRACH for coordinating the shared uplink PUCCH of NR and LTE by passback of the embodiment of the present invention
The schematic diagram of resource；
Figure 18 is the schematic diagram of the structure of time slot of the embodiment of the present invention；
Figure 19 is the schematic diagram of the pattern for interactive resource of eating dishes without rice or wine of the semi-static coordination of X2 mouths of the embodiment of the present invention；
Figure 20 is the schematic diagram of the embodiment of the present invention being scheduled using the granularity of small time slot.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature mutually can arbitrarily combine.
The resource that carries out data transmission is coordinated by space interface signaling between the base station of the same cluster, and according to coordination information into
The transmission of row data and interference management.It is described in detail below with specific embodiment.
Embodiment one
A kind of method of the information interaction of website is used for base station side, as shown in Figure 1, including：
Step 11 determines coordination information；
Step 12, the transmission coordination information.
In step 12, the coordination information can be transmitted by space interface signaling.
Before step 12, it can also be configured by way of X2 mouthfuls of semi-static interactions, or by operation management maintainance
Mode determine the resource of coordination information transmission.
Wherein, the time-frequency domain resources of the space interface signaling transmission are to coordinate determining, Huo Zhetong by backhaul links
Cross OAM (Operation Administration and Maintenance, operation management maintainance) configurations, the interference
It include the interference when interference of link and different system shared resource.
Wherein, in step 11, the coordination information includes one or more information below：
Uplink configuration information, downstream arrangements information, transmission direction information, transmission direction precedence information, scheduling resource point
With information, disturbance level information, channel state indication channel, resource information to be protected, the reference signal pattern of dynamic configuration
Information, timing offset, coordinate different systems system share same asset when resource allocation information, the position of blank resource
The location information of information or reserved resource.
For example, base station (or TRP (Transmission Reception Point transmit and receive node)) 1 determines one
A information aggregate for needing interactive coordinates interference, described information set includes at least one following information：
Information one：Uplink-downlink configuration information, transmission direction information, or carry transmission direction precedence information.
The uplink-downlink configuration information or transmission direction information include：The structure of time slot is pure uplink, pure downlink, uplink master
It leads, downlink is leading.
Wherein, the resource of control channel is semi-statically configured in the leading structure of time slot of uplink and downlink.
Either the position of only notice ascending time slot either the number of ascending time slot or adds number of time slot by offset
Mode provide the position of ascending time slot.
Information two：Scheduling resource distributes information.
For example, the running time-frequency resource and beam direction information of the UE of pre-scheduling and each UE.Scheduling parameter Information Number is such as adjusted
The beam index for data transmission of degree, PRB (Physical RB, Physical Resource Block) indexes, time slot (slot) index or position
It sets.
Information three：Disturbance level information or CSI (Channel State Information, channel status instruction) letter
Breath.
The CSI information includes：Base station oneself measures the interference between obtained TRP-to-TRP, the CSI letters of UE feedbacks
Interference information between breath and UE-to-UE.
For example, predefined or semi-static coordination N kind disturbance levels, k bits indicate corresponding disturbance level.
Further, the link transmission of interfered cell of the CSI information of the UE feedbacks with measuring has correspondence.
Information four：Which resource needs is protected from interference.
For example, for sending initial sync signal PSS/SSS/DRS, broadcast singal, system message or PUCCH/
The resource or number of symbols of PDCCH control channels.
Or the certain time slot index/certain symbols of instruction are fixed as ascending time slot, certain time slot index/certain symbols are fixed as
Descending time slot.
Information five：The reference signal drawing information of dynamic configuration.
Pass through the pattern of mutual some the predefined reference signals of X2 oral sexes, the then figure of the specific reference signal of dynamic instruction
Sample.
Information six：Timing offset (timing offset).
May be asynchronous between two base stations, so needing to transmit a timing offset information.
Information seven：Coordinate resource allocation when LTE/NR shares.
It, can will be semi-static reserved in order to improve resource utilization when LTE and NR shares a system bandwidth
The no resource notification of dynamic for LTE transmission is used for the transmission of NR data to adjacent base station.
It is shared for LTE and NR uplink spectrums：
First, semi-static coordination mode determines LTE-PUCCH (Physical Uplink between fixed form or website
Control Channel, Physical Uplink Control Channel), NR-PUCCH, LTE-SRS (Sounding Reference Signal,
Detection reference signal), NR-SRS, LTE-PRACH (Physical Random Access Channel, physical accidental access letter
Road) and NR-PRACH resource.
Then, dynamic DCI (Downlink Control Information, Downlink Control Information) notices are reserved semi-static
Coordinate which resource in resource does not have to, for example, dynamic notification LTE-PUCCH resources are used for the PUSCH (Physical of NR
Uplink Shared Channel, Physical Uplink Shared Channel) or PUCCH transmission, dynamic DCI notifies aperiodic NR-SRS
The position of resource.
It is shared for LTE and NR downstream spectrums：
Dynamic DCI notice LTE-MBSFN (Multimedia Broadcast multicast service Single
Frequency Network, multicast/multicast single-frequency network network) subframe position be used for NR data transmission.Dynamic DCI notifies phase
The adjacent aperiodic CSI-RS of website LTE and NR (Channel State Information-Reference Signal, channel shape
State indicate reference signal) position.
Information eight：The position of blank resource.
The blank resource includes the reserved resource location for being used for transmission measuring reference signals.
The coordination information is sent in addition to dynamic is by physical resource transmission of eating dishes without rice or wine, and can also be to fix or be semi-statically configured
's：
For example, the time domain period is fixed or predefined, such as：1ms either passes through X2 between 0.5ms or website
The semi-static coordination of mouth, or pass through OAM configurations.
What the frequency domain resource of the information was coordinated between website by X2 mouthfuls, or pass through OAM configurations.
And the running time-frequency resource that different base station is sent is different, such as the information for being used for interference coordination passes through FDM
(Frequency Division Multiplex, frequency division multiplexing), TDM (Time Division Multiplex, time division multiplexing)
Or CDM (Code Division Multiplexing, code division multiplexing) mode is sent, so that it is guaranteed that the coordination information is sent
Reliability, avoid generate interference.
Wherein, in step 12, the coordination information is transmitted, transmission method includes following either method：
Method one：Coordination information is transmitted by the way of the interaction of two steps：
Step a：By way of X2 mouthfuls of semi-static interactions, or configure some candidates' by way of OAM configurations
The set of coordination information determines coordination information to be transmitted in the set,
Step b：Coordination information is indicated by sending Downlink Control Information dynamic, and which in specifying information set is determined
A information.
Method two：Coordination information between the website described in carrying directly is transmitted using dynamic Downlink Control Information.
Method three：Base station, which first passes through Downlink Control Information, will need the coordination information coordinated to be sent to UE, and then UE again will
The coordination information is transmitted to adjacent base station by ascending control information.
In one embodiment, above- mentioned information set is passed through at least one of by base station 1 in the form of Downlink Control Information
Physical channel send：
Mode one：Pass through Physical Downlink Control Channel (PDCCH) or s-PDCCH (Physical Downlink Control Channel of low time delay)
Transmission.
Define a special RNTI (Radio Network Temporal Index, wireless network indicate temporarily), example
Such as coordination information-radio network temporary identifier (abbreviation CI-RNTI), with RNTI DCIs corresponding to corresponding coordination information into
Row scrambling, then uses QPSK (Quadrature Phase Shift Keying, quadrature phase shift keying) to modulate, according to PDCCH
Resource mapping method send.
The resource location of mapping is or the DCI information to be sent in arranging resource in Catalog Search space.
This PDCCH channel is located at the beginning of slot (time slot), or the beginning positioned at mini-slot (small time slot).
Mode two：By PDSCH (Physical Downlink Shared Channel, Physical Downlink Shared Channel) or
S-PDSCH is transmitted.
Shown coordination information and downlink data are multiplexed by way of FDM/TDM on PDSCH.
Mode three：A common signal channel is defined, such as coordinates control channel (abbreviation CICH) to carry the category information.And it adopts
With similar PCFICH (Physical Control Format Indicator Channel, Physical Control Format Indicator Channel)
The sending method of channel sends coordination information.The channel is in first symbol or the first two symbol of time slot, downlink letter
Road structure is as shown in Figure 2.
It is as follows that coordination information handles transmission process：
When coordination information bit is less than 8 bit, coordination information is encoded into 32 ratios by polar coding modes
Then spy is modulated into 16 symbols, so by QPSK (Quadrature Phase Shift Keying, quadrature phase shift keying)
The grouping of these symbols is mapped in corresponding predefined resource afterwards, or is mapped to by way of transmitting diversity discrete
On resource unit.
Mode four：It is sent by certain mini-slot of semi-static coordination, the period of these mini-slot is to pass through OAM
It is configuration or being coordinated by X2 mouthfuls.
Further, the mini-slot is located at PDSCH region.
For example, as shown in figure 3, the interface-free resources for being used for transmission coordination information coordinated between different websites are different.
TRP each in this way can hear the coordination information for receiving that TRP is sent around other, to carry out interference management.
Embodiment two
Fig. 4 is a kind of schematic diagram of the device of information exchange of the embodiment of the present invention, as shown in figure 4, the dress of the present embodiment
Set including：
Determining module 401, for determining coordination information；
Transmission module 402 is used for transmission the coordination information.
Wherein, the coordination information includes one or more information below：
Uplink configuration information, downstream arrangements information, transmission direction information, transmission direction precedence information, scheduling resource point
With information, disturbance level information, channel state indication channel, resource information to be protected, the reference signal pattern of dynamic configuration
Information, timing offset, coordinate different systems system share same asset when resource allocation information, the position of blank resource
The location information of information or reserved resource,
The scheduling resource distributes information：The user equipment of pre-scheduling, and each running time-frequency resource of user equipment
And beam direction information；
The resource allocation information when systems of the different systems is shared includes：The transfer resource of nonperiodic signal and/or
The resource not used in reserved resource.
In one embodiment, the determining module 401 is additionally operable to by way of X2 mouthfuls of semi-static interactions, Huo Zhetong
The mode for crossing operation management maintainance configuration determines the resource of the coordination information transmission.
In one embodiment, the transmission module 402 is directly to control information by transmission to carry the coordination information
's.
Embodiment three
Device in the present embodiment, as shown in figure 5, further including：
Configuration module 403 is used for by way of X2 mouthfuls of semi-static interactions, or passes through the side that operation management maintainance configures
The set of the candidate coordination information of formula configuration,
The determining module 401 is the coordination information determined from the set；
The transmission module 402 is to control coordination information described in information dynamic instruction by transmission.
Wherein, the control information is sent by following any channel：Physical Downlink Control Channel, low time delay physics under
Row control channel, Physical Downlink Shared Channel, the Physical Downlink Shared Channel of low time delay, predefined common signal channel pass through half
Specified small time slot, the proprietary down physical channel of static coordination,
The period of the specified small time slot by operation management maintainance configure either by X2 mouthful coordination, it is described
Specified small time slot is located at Physical Downlink Shared Channel region.
Wherein, the control information is scrambled by proprietary radio network temporary identifier, and the control information MAP is then
First symbol of gap or first symbol of small time slot.
The embodiment of the present invention also provides a kind of device of information exchange, including memory and processor, wherein
The memory is stored with to give an order：Determine coordination information；Transmit the coordination information；
The processor, the instruction for executing the memory storage.
Example IV
Node around the present embodiment introduction receives coordination information set, and carries out some subsequent operations.
As shown in fig. 6, a kind of method of information exchange of the present embodiment includes the following steps：
Step 21 receives coordination information；
Step 22 carries out eliminating interference processing according to the coordination information.
For the receiving terminal of coordination information set, including the UE of base station subordinate and the adjacent base that can be heard each other
It stands：
Situation one：When receiving terminal is base station 2, base station 2 carries out at least one following after receiving the category information
Interference management operation：
Operation one：Interference is eliminated or avoided according to the coordination information.
It is scheduled resource adjustment, is avoided across link interference.
For example, surrounding UE distribution that UE is dispatched to base station 1 in base station 2 or the new PRB of secondary instruction or new wave beam again
Index, alternatively, being adjusted into downlink direction, to avoid dispatching the interference that UE is generated to base station 1.For example, retransmitting
Group-common-PDCCH or PDCCH indicates a slot offset amount information, by the original UE dispatched in the time-domain position
It is adjusted to other positions.
Or indicate this base station or UE with smaller MCS (Modulation and Coding Scheme, modulating-coding side
Formula) or power send transmission data.
Operation two：Into Mobile state and semi-static TDD (Time Division Duplexing, time division duplex) operation mode
Switching.
Further, the rule of switching is determined by the disturbance level in coordination information.
For example, if disturbance level is high in coordination information, need to be switched to semi-static pattern from dynamic tdd mode, i.e.,
The period of uplink downlink direction configuration is elongated.It, can be from semi-static pattern switching if disturbance level is low in coordination information
Period for dynamic mode, i.e. uplink downlink direction configuration becomes smaller.Or by uplink-downlink configuration information come into Mobile state TDD
Operation switching.
Be semi-statically configured dynamic configuration operate between switching as shown in Fig. 7.
Operation three：It signals or configuration-aware time slot.
When the cell 1 under base station 2 be semi-statically configured time slot transmission direction or structure of time slot in some time slot configuration
When the transmission direction difference for the cell 2 adjacent with cell 1 that transmission direction and base station 1 notify, for example, when base station 1 configures
Gap n is downlink data transmission, and it is transmitting uplink data that base station 2, which is semi-statically configured time slot n, then it is public to send a group for base station 2
The Downlink Control Information of (group common), instruction scheduling carry out perception in the UE of time slot n and are LBT before data is transmitted
(Listen before Talk, listem-before-talk), as shown in figure 8, or dynamically uplink is adjusted to by the structural information of update time slot n
Downlink.
Operation four：Carry out the coordinated scheduling of LTE/NR.
Assuming that base station 1 sends LTE business in some bandwidth, base station 2 sends NR data in identical bandwidth.
Base station 1 and base station 2 coordinate certain fixed frequency domain resource positions on system bandwidth both sides by backhaul links
The transmission of PUCCH for LTE, when the cell of 1 subordinate of base station does not have to the resource, base station 1 can send an OTA
No resource information is notified base station 2 by (Over-the-Air eats dishes without rice or wine) signaling, and such base station 2 can be carried out with the resource
The data transmission of NR.Or base station 2 notifies the resource location of NR-SRS to base station 1, base station 1 carry out PUSCH scheduling when
Time will avoid these resources.For the position of LTE-CRS (Common Reference Signal, public reference signal), NR numbers
Blank is needed to go out corresponding RE (Resource Element, resource element) according to when transmission.
LTE carries out the NR DMRS (Demodulation for needing blank to go out dynamic notification when data transmission
Reference Signal, demodulated reference signal) resource location.
Or the limitation corresponding LTE subframes of NR are scheduled transmission using the granularity of mini-slot.
Such as the resource that dynamic uplink is coordinated, as shown in Figure 9.
Operation five：To needing resources to be protected to carry out resource reservation or interference coordination.
For example, for being used to send initial sync signal PSS, (Primary Synchronization Signal, master are same
Walk signal)/SSS (Secondary Synchronization Signal, subsynchronous signal)/DRS (Discovery
Reference Signal have found reference signal), broadcast singal, the resource-niche of system message or PBCH (Physical Broadcast Channel)
It sets, adjacent base station needs to reserve corresponding resource in corresponding position and by group common PDCCH or PDCCH
It notifies that the position is blank, or also sends downlink data in the resource location low-power.
For the resource location of the PUCCH of the long format of instruction, base station is reserved when sending downlink data at the moment
The resource location.
For the PUCCH and PDCCH of short format, adjacent base station configures equal number of control channel to the UE of subordinate
Number of symbols or data transmission in the same direction.
In addition, for the resource location for reference signal of notice, such as DMRS, CSI-RS, SRS (Sounding
Reference Signal, detection reference signal), PTRS (Phase Tracking Reference Signal, Phase Tracking
Reference signal), it is sent when data transmission, is avoided to the reference by the way of the resource location silent (muting)
The interference of signal.
Situation two：
When receiving terminal is UE, UE need to the coordination information with the mode of ascending control information (referred to as, UCI) into
Row forwarding, is transmitted to other base stations.
Further, which includes the UE of cell edge.
Further, which carries out transmission transmission one of in the following manner：
Mode one：Sent by PUCCH, the PUCCH include short-duration (short format) PUCCH and
The PUCCH of long-duration (long format).
The coordination information be absolute coding or with HARQ (the Hybrid Automatic Repeat in UCI information
Request, hybrid automatic repeat-request)-ACK (command to answer correctly), the relevant information of beam (wave beam) or CSI
(Channel State Information, channel status instruction) feedback information combined coding.
When absolute coding and other ascending control informations are mapped to frequency division or by way of the time-division upload of PUCCH channels
It is defeated.
The channel architecture of Short-duration PUCCH carrying coordination informations (abbreviation CI), as shown in Figure 10, long-
The channel architecture of duration PUCCH carryings CI is as shown in figure 11.
Mode two：It is sent by PUSCH or s-PUSCH, the position that CI is sent in a slot is as shown in figure 12.
Mode three：It is sent by special uplink physical channel.
The resource of dedicated channel is to pass through high-rise RRC (Radio Resource Control, radio resource control)
Coordinated by X2 mouthfuls between signaling is semi-statically configured or base station.
The time slot position for carrying the special uplink physical channel CICH of CI can be as shown in figure 13, is located at the beginning of uplink,
Or the centre of uplink control channel and uplink data channels.
Data handling procedure when CI is sent by the channel is：
Described information first passes through the cell ID scramblings of reception, is then encoded, coding mode is polar codes, then sharp
It being modulated with QPSK, modulated symbol is mapped to the resource location of the time slot in upper figure by being multiplied by a frequency expansion sequence,
The frequency expansion sequence includes ZC sequences and PN (Pseudo-noise Sequence, pseudo noise sequence) or walsh (Walsh)
Sequence.
Further, it is described carry website between coordination information ascending control information physical resource position be TRP or
Coordinated by X2 mouthfuls between base station, or the resource configured by OAM.
The base station of neighboring community is required for reserving corresponding resource, reserved time domain granularity when sending downlink data
For mini-slot or slot, frequency domain is sub-band levels.UE is dispatched simultaneously to carry out being also required to reserve when transmitting uplink data
The resource.
Around similar TRP or base station receive and carry out interference pipe according to the operation in said circumstances one after the information
Reason.
By way of dynamic interaction of eating dishes without rice or wine between website it is possible to prevente effectively from across link interference problem and LTE and NR not
Interference problem when homologous ray coexists, especially for the transmission of important control category information, while dynamic notice will face
When no resource used to other websites or system, improve the utilization rate of resource.The signaling is carried by information of eating dishes without rice or wine, and week
The base station enclosed and UE can be identified and be received.It can also hear between shared frequency spectrum bands different operators, therefore also solve simultaneously
The interference problem of shared frequency spectrum.
Embodiment five
Figure 14 is a kind of schematic diagram of the device of information exchange of the embodiment of the present invention, as shown in figure 14, the present embodiment
Device includes：
Receiving module 141, for receiving coordination information；
Processing module 142 eliminates interference processing for being carried out according to the coordination information.
Wherein, the coordination information includes one or more information below：
Uplink configuration information, downstream arrangements information, transmission direction information, transmission direction precedence information, scheduling resource point
With information, disturbance level information, channel state indication channel, resource information to be protected, the reference signal pattern of dynamic configuration
Information, timing offset, coordinate different systems system share same asset when resource allocation information, the position of blank resource
The location information of information or reserved resource.
In one embodiment, the processing module carries out eliminating interference processing according to the interference coordination information, including：
The adjustment of user and/or scheduling resource is scheduled according to the scheduling resource distribution information in the interference coordination information, or
Instruction scheduling user is with smaller modulation coding scheme or lower power transmission data；Or believed according to the interference coordination
Cease the switching into Mobile state and semi-static duplex operating mode；Either when the transmission direction or time slot knot for being semi-statically configured time slot
When transmission direction difference of the structure in transmission direction and the interference coordination information of a time slot configuration, Downlink Control Information is sent
It indicates that scheduling carries out perception in the user equipment of assigned timeslot and does listem-before-talk before data is transmitted, or dynamically updates specified
The structural information of time slot；Or the system coordination scheduling of different systems is carried out according to the interference coordination information；Or according to
The resource information to be protected carries out resource reservation to the user of resource notification subordinate to be protected.
In one embodiment, the dynamic updates the structural information of assigned timeslot and notifies user's progress resource of subordinate pre-
The information stayed controls information carrying by common downlink,
The resource of described pair of protection carries out resource reservation：Notify the resource location not transmission data, or notice week
The position of phase and aperiodic reference signal will carry out silent processing when carrying out data transmission.
The embodiment of the present invention also provides a kind of device of information exchange, including memory and processor, wherein
The memory is stored with to give an order：Coordination information is received, according to the coordination information eliminate at interference
Reason；
The processor, the instruction for executing the memory storage.
Embodiment six
Figure 15 is a kind of flow chart of the method for information exchange of the embodiment of the present invention, as shown in figure 15, the present embodiment
Method includes：
Step 31, user equipment receive the coordination information of base station；
The coordination information is transmitted to other bases by step 32, the user equipment by way of ascending control information
It stands.
In one embodiment, after the user equipment receives coordination information, can also include：
To the coordination information absolute coding, or
To the relevant letter of hybrid automatic repeat-request command to answer correctly in the coordination information and ascending control information
Combined coding is ceased, or
The coordination information and channel status indication feedback information consolidation are encoded.
When wherein, to the coordination information absolute coding, the coordination information and ascending control information by frequency division or
The mode of time-division is mapped to Physical Uplink Control Channel.
In one embodiment, the user equipment is to forward the coordination information by following any channel：
Physical Uplink Control Channel；
Physical Uplink Shared Channel；
The Physical Uplink Shared Channel of low time delay；
Special uplink physical channel.
In one embodiment, the physical resource position of the ascending control information passes through X2 mouthfuls of semi-static associations between base station
It adjusts, or the resource configured by operation and maintenance management OAM.
Wherein, the user equipment includes the user equipment of cell edge.
Embodiment seven
Figure 16 is a kind of schematic diagram of the device of information exchange of the embodiment of the present invention, as shown in figure 16, the present embodiment
Device includes：
Receiving module 161, the coordination information for receiving base station；
Transmission module 162, for the coordination information to be transmitted to other base stations by way of ascending control information.
In one embodiment, described device can also include：
Coding module 163, for believing to the coordination information absolute coding, or to the coordination information and upload control
The relevant information consolidation coding of hybrid automatic repeat-request command to answer correctly in breath, or to the coordination information and channel
State instruction feedback information combined coding,
When to the coordination information absolute coding, the coordination information and ascending control information pass through frequency division or time-division
Mode is mapped to Physical Uplink Control Channel.
In one embodiment, the transmission module is to forward the coordination information by following any channel：Physically
Row control channel；Physical Uplink Shared Channel；The Physical Uplink Shared Channel of low time delay；Special uplink physical channel.
In one embodiment, the physical resource position of the ascending control information passes through X2 mouthfuls of semi-static associations between base station
It adjusts, or configured by operation and maintenance management.
The embodiment of the present invention also provides a kind of device of information exchange, including memory and processor, wherein
The memory is stored with to give an order：The coordination information for receiving base station, will by way of ascending control information
The coordination information is transmitted to other base stations；
The processor, the instruction for executing the memory storage.
The details of some processes is described in detail below by specific Application Example.
Embodiment eight
The present embodiment passes through Downlink Control Information of eating dishes without rice or wine (DCI) dynamic interaction uplink and downlink timeslot between N number of base station or TRP
The mode of configuration or structure of time slot illustrates.
BSR that first, TRP1 is reported according to oneself down load size and all UE (Buffer Status Report,
Buffer status report) determine the structure of time slot information being pre-configured.Specifying information indicating mode includes：
Mode one：Each time slot defines 2 bits, indicates that the type of the time slot is pure downlink, and pure uplink, downlink is leading, on
Row is one of four kinds leading.If the period of OTA signalings is m time slot, the configuration of this m time slot is indicated by m*2 bits
Information.
Mode two：Only indicate the position of pure ascending time slot and the leading time slot of uplink in this m time slot.
Mode three：The position for only notifying ascending time slot, is provided by way of offset+length.
For example, 2 bits indicate the offset of the position and the position of time slot where current DCI of first ascending time slot, or
Person is the offset that current location adds 4 time slot positions, and then 3 bits indicate the number of continuous ascending time slot again.
Around TRP receive uplink and downlink scheduling carried out according to this information after the information.For example, the OTA signalings that TRP1 is sent
Middle instruction time slot 1 is the time slot that uplink is dominated, then the TRP around TRP1 should also configure time slot 1 to ascending time slot, Huo Zhepei
It is set to uplink and dominates time slot, to avoid across link interference, it is ensured that the performance of data transmission.
Above- mentioned information can also be sent to the UE of subordinate by common-PDCCH or group-common-PDCCH, so
The information is transmitted to other base stations or TRP by UE by ascending control information or special uplink channel resources afterwards, and TRP exists
Coordination is managed to the interference across link being potentially present of after receiving the information in the resource of predefined or semi-static coordination.
It, can be with the configuration pattern of some reference signals of dynamic interaction, for example, up and down in addition to uplink downlink mode configures
The position of preposition (front-loaded) DMRS of row data demodulation and the position of additional DMRS.The figure of aperiodic CSI-RS
The pattern of sample and aperiodic SRS.Receiving terminal base station or TRP are received after the category information to be needed pair when data transmission
These resource locations muting (silence).
Embodiment nine
The present embodiment illustrates the transmission method of coordination information, between website interaction for resource coordination
Information is transmitted one of by the following method：
Method one：Coordination information is transmitted by the way of the interaction of two steps.
Step A：By some candidate configuration information set of X2 mouthfuls of semi-static interactions, pass through passback between adjacent TRP
Interactive information aggregate includes following information：
Information one：The candidate set of predefined uplink-downlink configuration.
Such as the structure of some time slots is predefined as uplink U, downlink D, uplink dominates S1, and downlink dominates one of S2.Half is quiet
Some determining candidate continuous 10 structure of time slot of state interaction are as shown in table 1 below, and table 1 is upstream and downstream structure of time slot table：
Table 1
Wherein, the structure for the time slot that the leading S1 of uplink and downlink dominate S2 is semi-statically configured, or passes through dynamic DCI
Instruction.
Information two：The disturbance level CSI information that either CSI information or UE are fed back.
For example, semi-static interaction definition N kind disturbance levels, the first 15dB, second of 10dB, the third 5dB, the 4th kind
0dB。
Information three：Which resource needs is protected from interference.
For example, two websites are believed by the structure of the X2 mouthfuls of fixed certain time slots of semi-static negotiation for sending initial synchronisation
The resource or number of symbols of number PSS/SSS/DRS, broadcast singal, system message or PUCCH/PDCCH control channels.
Or the certain time slot index/certain symbols of instruction are fixed as ascending time slot, certain time slot index/certain symbols are fixed as
Descending time slot.
Information four：The reference signal drawing information being semi-statically configured.
Pass through the pattern of X2 mouthfuls of semi-static interaction some predefined reference signals.The reference signal includes DMRS,
CSI-RS, SRS, PTRS.
Information five：Coordinate resource allocation when LTE/NR shares frequency spectrum.
When LTE and NR carries out data transmission in identical system bandwidth, do not influenced for the data transmission of LTE
The PUCCH of NR, SRS, the transmission of PRACH channels should coordinate the resource of these channels of NR uplinks or signal transmission between website,
Then LTE scheduling when it is vacant go out these resources avoid the influence to NR UE.
For example, two base stations or TRP coordinate the money of the resource and PRACH of the shared uplink PUCCH of NR and LTE by passback
Source is as shown in figure 17.
Information six：The position of blank resource.
Information seven：Timing offset.
Step B：The information determined in candidate information set is indicated by sending Downlink Control Information dynamic.
Between website after good some the semi-static candidate information aggregates of interaction, it can subsequently pass through letter of dynamically eating dishes without rice or wine
It enables, abbreviation OTA Signalling exchanges indicate which of candidate information set configuration information.
For example, 3 bits indicate determining time slot configuration information, and each uplink is leading and downlink leading time slot
Concrete structure is provided by special dynamic signaling, if S1 time slots are according to (number of symbols of down control channel, upload control letter
The number of symbols in road, the number of symbols of uplink data channels) sequence provide.
3 bits instruction disturbance level information is defined, the mode of bitmap (bitmap) indicates semi-static or fixed one reserved
Whether the resource protected a bit occupies or whether can carry out the transmission of data.For example, carrying out bitmap according to the sequence of reserved PRB
Which PRB instructions actually occupies.
Method two：The coordination information is directly transmitted using dynamic descending control signaling.
TRP is directly sent to some coordination letters described in the TRP of surrounding by space interface signaling, such as Downlink Control Information
Breath, which signaling overheads are bigger compared with mode one.
Method three：Base station, which first passes through Downlink Control Information, will need the information coordinated to be sent to UE, and then UE is again by the letter
Breath is transmitted to coordination information adjacent base station by way of UE relay (relaying).Detailed process such as the following examples six
In description.
By the method for some coordination informations of interaction between several websites above, on the one hand solves same frequency data transmission
The interference problem of cross link, it is ensured that the performance of data transmission.On the other hand money is improved when LTE and NR shares frequency spectrum
The utilization rate in source.
Embodiment ten
The present embodiment illustrates the processing after receiving the information when receiving side is TRP.
After the TRP of surrounding receives the interaction coordination information, some following processing are carried out according to this coordination information：
Interference is eliminated, such as senior receiver.
Further, using MMSE, (Minimum Mean Squared Error, minimum is according to interference information for receiving terminal
Square estimation error), E-LMMSE-IRC receivers eliminate interference.
It is scheduled adjustment, avoids interfering.
Further, the surrounding UE that UE is dispatched for base station 1 distributes different PRB, or is scheduled at the time of difference,
Or scheduling is in different wave beams.
For example, in some time slot, the uplink of UE1 is dispatched in PRB1~6 in base station 1, then base station 2 receive need after the information by
The downlink or uplink of UE2 around UE1 is dispatched in PRB20~PRB30.Or also dispatch UE2 in PRB1~6, but data
The direction of the wave beam of transmission or beam index are different.
Into the switching of Mobile state and semi-static tdd mode.
Or notice configuration-aware time slot.
Further, when the cell under base station 2 is semi-statically configured the transmission direction or structure of time slot, and in some time slot
When the transmission direction difference that the transmission direction of configuration is notified with base station 1, such as base station 1 configures time slot n and is passed for downlink data
Defeated, it is transmitting uplink data that base station 2, which is semi-statically configured time slot n, then base station 2 sends the downlink control letter of a group common
Breath, instruction scheduling are perceived before data is transmitted in the UE of time slot n, or dynamic update time slot n structural information by uplink
It is adjusted to downlink.
Carry out the coordinated scheduling of LTE/NR.
Assuming that base station 1 sends LTE business in some bandwidth, base station 2 sends NR data in identical bandwidth.
Base station 1 and base station 2 coordinate certain fixed frequency domain resource positions on system bandwidth both sides by backhaul links
The transmission of PUCCH for LTE, when the cell of 1 subordinate of base station does not have to the resource, base station 1 can send an OTA letter
Notice base station 2 is enabled, such base station 2 can carry out the data transmission of NR with the resource.
By receiving terminal receive some operations carried out after these information can on the one hand reduce flexibly duplex in across
Link interference, the resource dynamic that on the other hand can also solve when LTE and NR different systems coexist is shared, improves the utilization of resources
Rate.
Embodiment 11
The present embodiment illustrates the method for forwarding coordination information by terminal relay.
When direct dynamic interaction coordination information encounters difficulties between website (including base station and TRP), it can pass through
Following mode realizes the interaction of coordination information.
First, coordination information is first sent to the UE of subordinate by TRP1 (by taking TRP as an example) by common downlink control channel,
Described in common downlink control channel include group-common PDCCH and cell-specific common
PDCCH。
It is then in the subordinate UE of cell edge the coordination information is carried to again inside ascending control information and be sent to it
His TRP, specific sending method include：
Mode one：It is sent by PUCCH, the PUCCH includes the PUCCH and long- of short-duration
The PUCCH of duration.One or two OFDM symbols of a slot are accounted in the PUCCH time domains of wherein short-duration
Number, at least four symbol in the PUCCH time domains of long-duration, most 14 symbols.
The coordination information be absolute coding either with the relevant information of HARQ-ACK beam or CSI in UCI information
Feedback information combined coding.
Mode two：It is sent by PUSCH or s-PUSCH.
Mode three：A common signal channel is defined, coordination information is sent out using the sending method of similar PCFICH channels
It send.First symbol of the channel in time slot.
Structure of time slot can also be illustrated in fig. 18 shown below in addition to those above：
In the starting of time slot n, one or two symbol sends Downlink Control Information to TRP1, this Downlink Control Information carries station
The relevant information of interference coordination is carried out between point, these coordination informations are scrambled by a public RNTI, or each coordination
Information is scrambled by a special RNTI.The information be sent to after handling again adjacent by UE upon receiving this information
Base station TRP2.Then time slot n+1 is also configured as downlink by TRP2 in the Downlink Control Information that starts to send of time slot n+1, or
Uplink power control adjustment information is sent, the transmitting uplink data by original scheduling in time slot n+1 reduces the power sent.
Wherein, the resource-niche that the resource location and ascending control information that the Downlink Control Information in time slot n is sent are sent
It is set to what TRP1 and TRP2 were coordinated by X2 mouthfuls.
The dynamic interaction that coordination information between adjacent base station or TRP may be implemented by this method, improves coordination
Dynamic, flexibility, it is ensured that the reliability of data transmission.
Embodiment 12
The method that the present embodiment determines coordination information transmission interface-free resources used between website illustrates.
Coordination information can be accurately received in order to be heard each other between website, is avoided in coordination information transmission process
Interface-free resources, which collide, influences the effect of coordination, and it should be orthogonal that the website in a cluster, which sends the resource of coordination information,.
Specific orthogonal mode includes FDM, TDM, CDM.
For example, 4 websites in a cluster by fixed configurations or pass through the X2 mouthfuls of semi-static coordinations of backhaul links
For eat dishes without rice or wine interactive resource pattern it is as shown in figure 19.
Then, each website sends the coordination information of oneself in corresponding resource location according to the pattern of coordination, and in phase
The information of reception or blind examination other adjacent sites transmission in the resource answered.I.e. if the information of some website coordination in need needs
Send, the website just by the physical resource send required for coordinate information, if without or coordination information do not update
Then there is no need to send.
Embodiment 13
The present embodiment different system between website, for example, interference coordination when NR and LTE shares a frequency spectrum carries out
Explanation.
Scene one：In 2G frequency ranges, LTE system and NR systems share the up-link bandwidth of certain 20M, i.e., two in the 20M
A system sends upstream data simultaneously.The upstream data includes LTE-PRACH, LTE-SRS, LTE-PUCCH, LTE-
PUSCH, NR-PRACH, NR-PUCCH, NR-SRS, NR-PUSCH.
First, it needs to coordinate the resource that UE is initially accessed, i.e. the PRB resources of PRACH channels between website, then website exists
The PRB resources are avoided when schedule upstream traffic data, ensure that terminal has access to system.
Then subframe is all located at for the SRS, LTE-SRS and the NR-SRS that are measured for channel measurement or across link interference
Last symbol, therefore be easy to collide.For the SRS in period, need to coordinate the period SRS between two websites
Resource, the mode for being multiplexed transmission includes the mode of FDM or TDM, coordination pass through X2 mouthfuls of semi-static coordinations.Wherein, FDM includes
By different broach or different subband frequency divisions, TDM includes coordinating different period and offset.
For aperiodic SRS, the OTA space interface signalings that can be provided through the embodiment of the present invention between two websites, example
Such as, the resource location of the aperiodic SRS of Downlink Control Information interaction LTE and NR is staggered by way of above-mentioned FDM or TDM,
Resource both to avoid collides.
For PUCCH resource, two websites are also required to semi-static coordinate by X2 mouthfuls or by OAM configurations not homology
The resource location of the PUCCH of system, while website needs the money to coordination when carrying out LTE and NR PUSCH data dispatch
Source carries out the reserved of resource.Meanwhile it if useless in certain some period of reserved resource, can be signaled by OTA
The website of surrounding carries out the scheduled transmission of PUSCH data.
Scheduling for PUSCH, two websites can also be by above-mentioned mode to resource coordination, or can also coordinate
The code resource of beam direction or orthogonal multiplex that data are sent.
Scene two：In 2G frequency ranges, LTE system and NR systems share the downlink system bandwidth of certain 20M, i.e., two in the 20M
A system sends downlink data simultaneously.
For MBSFN (the Multimedia Broadcast multicast service Single of LTE
Frequency Network, multicast/multicast single-frequency network network) subframe, website can be by the remaining sub-frame resources of down control channel
It is scheduling to the data transmission of NR.For non-MBSFN sub-frame, need to consider downlink synchronous signal PSS/SSS, downlink broadcast channel
PBCH, LTE-CRS, the resource-sharing multiplex mode between down control channel.
First, NR does not influence the transmission that original LTE corresponds to downlink channel signals when carrying out data transmission, and can adopt
It is scheduled with the granularity of mini-slot, to avoid the symbol where LTE-PSS/SSS/PBCH and PRB, is avoided same to LTE
The interference of step and broadcast channel, as shown in figure 20.NR-PDSCH wants blank to go out LTE- when carrying out data transmission simultaneously
The corresponding RE of CRS, CSI-RS.
Meanwhile when the certain resources of downlink subframe scheduling carry out LTE-PDSCH data transmissions, lead in advance between website
The resource location that OTA signals the downlink DMRS of NR configurations is crossed, then LTE carries out silence in the position, avoids to NR channels
Estimation and the influence measured.
The embodiment of the present invention additionally provides a kind of computer readable storage medium, is stored with computer executable instructions,
The computer executable instructions are performed the method for realizing described information interaction.
One of ordinary skill in the art will appreciate that all or part of step in the above method can be instructed by program
Related hardware is completed, and described program can be stored in computer readable storage medium, such as read-only memory, disk or CD
Deng.Optionally, all or part of step of above-described embodiment can also be realized using one or more integrated circuits.Accordingly
Ground, the form that hardware may be used in each module/unit in above-described embodiment are realized, the shape of software function module can also be used
Formula is realized.The present invention is not limited to the combinations of the hardware and software of any particular form.
It these are only the preferred embodiment of the present invention, certainly, the invention may also have other embodiments, without departing substantially from this
In the case of spirit and its essence, those skilled in the art make various corresponding changes in accordance with the present invention
And deformation, but these corresponding change and deformations should all belong to the protection domain of appended claims of the invention.
Claims (40)
1. a kind of method of information exchange, including：
Determine coordination information；
Transmit the coordination information.
2. the method as described in claim 1, it is characterised in that：The coordination information includes one or more information below：
Uplink configuration information, downstream arrangements information, transmission direction information, transmission direction precedence information, scheduling resource distribution letter
Breath, disturbance level information, channel state indication channel, resource information to be protected, the reference signal drawing information of dynamic configuration,
Timing offset, coordinate different systems system share same asset when resource allocation information, the location information of blank resource,
Or the location information of reserved resource.
3. method as claimed in claim 2, it is characterised in that：
The scheduling resource distributes information：The user equipment of pre-scheduling, and each running time-frequency resource and wave of user equipment
Beam directional information.
4. method as claimed in claim 2, it is characterised in that：
The resource allocation information when systems of the different systems shares same asset includes：The transfer resource of nonperiodic signal
And/or the resource not used in reserved resource.
5. the method as described in claim 1, it is characterised in that：Before the transmission coordination information, further include：
By way of X2 mouthfuls of semi-static interactions, or the coordination information is determined by way of operation management maintainance configuration
The resource of transmission.
6. the method as described in claim 1, it is characterised in that：The transmission coordination information includes：
Information is directly controlled by transmission to carry the coordination information.
7. the method as described in claim 1, it is characterised in that：Further include before the determining coordination information：
By way of X2 mouthfuls of semi-static interactions, or candidate coordination information is configured by way of operation management maintainance configuration
Set,
The coordination information of the determination is determined from the set,
The transmission coordination information, including：
Coordination information described in information dynamic instruction is controlled by transmission.
8. method as claimed in claims 6 or 7, it is characterised in that：The control information is sent by following any channel：
Physical Downlink Control Channel, the Physical Downlink Control Channel of low time delay, Physical Downlink Shared Channel, low time delay physics under
The shared channel of row, predefined common signal channel, pass through the specified small time slot of semi-static coordination, proprietary down physical channel.
9. method as claimed in claim 8, it is characterised in that：
The period of the specified small time slot by operation management maintainance configure either by X2 mouthful coordination.
10. method as claimed in claim 9, it is characterised in that：
The specified small time slot is located at Physical Downlink Shared Channel region.
11. method as claimed in claims 6 or 7, it is characterised in that：
The control information is scrambled by proprietary radio network temporary identifier.
12. method as claimed in claims 6 or 7, it is characterised in that：
The control information MAP is to first symbol of time slot or first symbol of small time slot.
13. a kind of device of information exchange, which is characterized in that including：
Determining module, for determining coordination information；
Transmission module is used for transmission the coordination information.
14. device as claimed in claim 13, it is characterised in that：The coordination information includes one or more letters below
Breath：
Uplink configuration information, downstream arrangements information, transmission direction information, transmission direction precedence information, scheduling resource distribution letter
Breath, disturbance level information, channel state indication channel, resource information to be protected, the reference signal drawing information of dynamic configuration,
Timing offset, coordinate different systems system share same asset when resource allocation information, the location information of blank resource,
Or the location information of reserved resource,
The scheduling resource distributes information：The user equipment of pre-scheduling, and each running time-frequency resource and wave of user equipment
Beam directional information；
The resource allocation information when systems of the different systems shares same asset includes：The transfer resource of nonperiodic signal
And/or the resource not used in reserved resource.
15. device as claimed in claim 13, it is characterised in that：
The determining module is additionally operable to by way of X2 mouthfuls of semi-static interactions, or configured by operation management maintainance
Mode determines the resource of the coordination information transmission.
16. device as claimed in claim 13, it is characterised in that：
The transmission module is directly to control information by transmission to carry the coordination information.
17. device as claimed in claim 13, it is characterised in that：Described device further includes：
Configuration module is used for by way of X2 mouthfuls of semi-static interactions, or is configured by way of operation management maintainance configuration
The set of candidate coordination information,
The determining module is the coordination information determined from the set；
The transmission module is to control coordination information described in information dynamic instruction by transmission.
18. the device as described in claim 16 or 17, it is characterised in that：
The control information is sent by following any channel：The physical down control letter of Physical Downlink Control Channel, low time delay
Road, Physical Downlink Shared Channel, the Physical Downlink Shared Channel of low time delay, predefined common signal channel, pass through semi-static coordination
Specified small time slot, proprietary down physical channel,
The period of the specified small time slot by operation management maintainance configure either by X2 mouthful coordinate, it is described specify
Small time slot be located at Physical Downlink Shared Channel region.
19. the device as described in claim 16 or 17, it is characterised in that：
The control information is scrambled by proprietary radio network temporary identifier, first of the control information MAP to time slot
First symbol of symbol or small time slot.
20. a kind of device of information exchange, including memory and processor, which is characterized in that
The memory is stored with to give an order：Determine coordination information；Transmit the coordination information；
The processor, the instruction for executing the memory storage.
21. a kind of method of information exchange, including：
Receive coordination information；
It is carried out eliminating interference processing according to the coordination information.
22. method as claimed in claim 21, it is characterised in that：The coordination information includes one or more letters below
Breath：
Uplink configuration information, downstream arrangements information, transmission direction information, transmission direction precedence information, scheduling resource distribution letter
Breath, disturbance level information, channel state indication channel, resource information to be protected, the reference signal drawing information of dynamic configuration,
Timing offset, coordinate different systems system share same asset when resource allocation information, the location information of blank resource,
Or the location information of reserved resource.
23. method as claimed in claim 22, it is characterised in that：It is described according to the coordination information eliminate at interference
Reason, including：
The adjustment of user and/or scheduling resource is scheduled according to the scheduling resource distribution information in the coordination information, or
Instruction scheduling user is with smaller modulation coding scheme or lower power transmission data；Or
According to the coordination information into the switching of Mobile state and semi-static duplex operating mode；Or
When the transmission direction or structure of time slot for being semi-statically configured time slot are believed in the transmission direction of a time slot configuration with the coordination
When transmission direction difference in breath, send Downlink Control Information instruction scheduling assigned timeslot user equipment data transmission it
Before carry out perception and do listem-before-talk, or dynamic updates the structural information of assigned timeslot；Or
System coordination scheduling or the data transmission of different systems are carried out according to the coordination information；Or
According to the resource information to be protected, resource reservation is carried out to the user of resource notification subordinate to be protected.
24. method as claimed in claim 23, it is characterised in that：
The structural information of dynamic update assigned timeslot and subordinate user is notified to carry out the information of resource reservation by under public
Row control information carrying,
The resource of described pair of protection carries out resource reservation：Notify the resource location not transmission data or announcement period and
The position of aperiodic reference signal will carry out silent processing when carrying out data transmission.
25. a kind of device of information exchange, which is characterized in that including：
Receiving module, for receiving coordination information；
Processing module eliminates interference processing for being carried out according to the coordination information.
26. device as claimed in claim 25, it is characterised in that：The coordination information includes one or more letters below
Breath：
Uplink configuration information, downstream arrangements information, transmission direction information, transmission direction precedence information, scheduling resource distribution letter
Breath, disturbance level information, channel state indication channel, resource information to be protected, the reference signal drawing information of dynamic configuration,
Timing offset, coordinate different systems system share same asset when resource allocation information, the location information of blank resource,
Or the location information of reserved resource.
27. device as claimed in claim 26, it is characterised in that：
The processing module carries out eliminating interference processing according to the coordination information, including：According to the tune in the coordination information
Degree resource allocation information is scheduled the adjustment of user and/or scheduling resource, or instruction scheduling user is compiled with smaller modulation
Code mode or lower power transmission data；Or according to the coordination information into Mobile state and semi-static duplex operating mode
Switching；Either when be semi-statically configured time slot transmission direction or structure of time slot a time slot configuration transmission direction with it is described
When transmission direction difference in coordination information, Downlink Control Information instruction scheduling is sent in the user equipment of assigned timeslot in data
Perception is carried out before transmission and does listem-before-talk, or dynamic updates the structural information of assigned timeslot；Or believed according to the coordination
Breath carries out system coordination scheduling or the data transmission of different systems；Or according to the resource information to be protected, treat guarantor
The user of the resource notification subordinate of shield carries out resource reservation.
28. device as claimed in claim 27, it is characterised in that：
The structural information of dynamic update assigned timeslot and subordinate user is notified to carry out the information of resource reservation by under public
Row control information carrying,
The resource of described pair of protection carries out resource reservation：Notify the resource location not transmission data or announcement period and
The position of aperiodic reference signal will carry out silent processing when carrying out data transmission.
29. a kind of device of information exchange, including memory and processor, which is characterized in that
The memory is stored with to give an order：Coordination information is received, is carried out eliminating interference processing according to the coordination information；
The processor, the instruction for executing the memory storage.
30. a kind of method of information exchange, including：
User equipment receives the coordination information of base station；
The coordination information is transmitted to other base stations by the user equipment by way of ascending control information.
31. method as claimed in claim 30, it is characterised in that：After the user equipment receives coordination information, further include：
To the coordination information absolute coding, or
To the relevant information connection of hybrid automatic repeat-request command to answer correctly in the coordination information and ascending control information
Code is compiled in collaboration with, or
The coordination information and channel status indication feedback information consolidation are encoded.
32. method as claimed in claim 31, it is characterised in that：,
When to the coordination information absolute coding, the coordination information and ascending control information are frequency division or by way of the time-division
It is mapped to Physical Uplink Control Channel.
33. method as claimed in claim 31, it is characterised in that：The user equipment is to forward institute by following any channel
State coordination information：
Physical Uplink Control Channel；
Physical Uplink Shared Channel；
The Physical Uplink Shared Channel of low time delay；
The Physical Uplink Control Channel of low time delay；
Special uplink physical channel.
34. method as claimed in claim 30, it is characterised in that：
The physical resource of the ascending control information, by X2 mouthfuls of semi-static coordinations, or passes through Operation and Maintenance between base station
Manage the resource of OAM configurations.
35. such as claim 30-34 any one of them methods, it is characterised in that：
The user equipment includes the user equipment of cell edge.
36. a kind of device of information exchange, which is characterized in that including：
Receiving module, the coordination information for receiving base station；
Transmission module, for the coordination information to be transmitted to other base stations by way of ascending control information.
37. device as claimed in claim 36, it is characterised in that：Described device further includes：
Coding module is used for the coordination information absolute coding, or in the coordination information and ascending control information
The relevant information consolidation coding of hybrid automatic repeat-request command to answer correctly, or the coordination information and channel status are referred to
Show feedback information combined coding,
When to the coordination information absolute coding, the coordination information and ascending control information are frequency division or by way of the time-division
It is mapped to Physical Uplink Control Channel.
38. device as claimed in claim 37, it is characterised in that：
The transmission module is to forward the coordination information by following any channel：Physical Uplink Control Channel；Physically
The shared channel of row；The Physical Uplink Shared Channel of low time delay；The Physical Uplink Control Channel of low time delay；Special uplink physics is believed
Road.
39. device as claimed in claim 36, it is characterised in that：
The physical resource of the ascending control information, by X2 mouthfuls of semi-static coordinations, or passes through Operation and Maintenance between base station
Management configuration.
40. a kind of device of information exchange, including memory and processor, which is characterized in that
The memory is stored with to give an order：The coordination information for receiving base station, will be described by way of ascending control information
Coordination information is transmitted to other base stations；
The processor, the instruction for executing the memory storage.
Priority Applications (2)
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| CN201710258408.2A CN108737010A (en) | 2017-04-19 | 2017-04-19 | A kind of method and device of information exchange |
| PCT/CN2018/083207 WO2018192444A1 (en) | 2017-04-19 | 2018-04-16 | Information exchange method and apparatus, and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710258408.2A CN108737010A (en) | 2017-04-19 | 2017-04-19 | A kind of method and device of information exchange |
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| WO2018192444A1 (en) | 2018-10-25 |
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