CN107872780A - A kind of collocation method and device of uplink multi-address access - Google Patents
A kind of collocation method and device of uplink multi-address access Download PDFInfo
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- CN107872780A CN107872780A CN201610861355.9A CN201610861355A CN107872780A CN 107872780 A CN107872780 A CN 107872780A CN 201610861355 A CN201610861355 A CN 201610861355A CN 107872780 A CN107872780 A CN 107872780A
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- Prior art keywords
- access
- configuration information
- subband
- subband group
- mobile terminal
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
Abstract
The invention discloses a kind of method and device of uplink multi-address access.This method includes：Base station sets the configuration information that uplink multi-address accesses, and the configuration information includes the information and the subband group and the mapping relations of uplink multiple access modes of subband group, and carries the configuration information in system broadcast message and be sent to mobile terminal；The mobile terminal decodes the system broadcast message, and obtain configuration information from the system broadcast message, data are directly transmitted in subband group according to the business demand of this mobile terminal or initiate random access request, so as to realize permission mobile terminal using different multi-access mode realization accesses while also allow to support the mobile terminal of different access technologies to realize access.
Description
Technical field
The present embodiments relate to the technical field of communication, more particularly to the collocation method and dress of a kind of access of uplink multi-address
Put.
Background technology
It is one in 5G that Dalian, which connects machine type communication (Massive Machine Type Communication, mMTC),
Typical case scene, it is characterized in that connection amount is big, happen suddenly parcel transmission.Traditional OFDM based on Stochastic accessing
(Orthogonal Freq mobile terminal ncy Division Multiple Access, OFDMA) before establishing connection due to believing
Make that expense is big, can not support multiple users share running time-frequency resource, the requirement of mMTC transmitting scenes can not be adapted to.
After 3GPP newly eats dishes without rice or wine (New Radio, NR) progress SI project verifications to 5G, more companies propose a variety of non-in succession
Orthogonal multiple access technique, such as sparse coding multiple access (Sparse Code Multiple Access, SCMA), multi-user are common
Enjoy access (Multi-user Share Access, MUSA) and pattern distinguishes multiple access access (Pattern Division
Multiple Access, PDMA) etc. scheme.The common feature of these cut-in methods is the nonopiate access of multi-user, and is allowed
Grant-free is transmitted.
Orthogonal multiple access techniques can significantly lifting system capacity, meet the needs of connecting greatly.Non-orthogonal multiple technology is then
Allow mobile terminal not need base station to distribute multi-upstream access resource can in advance to send at any time on available ascending resource
Row data, also avoid the need for establishing connection using the random access procedure based on competition and base station.Therefore, these access schemes are all
It disclosure satisfy that demands of the mMTC to access scheme.But above-mentioned not under any scene all it is based on non-orthogonal multiple access technology
Optimal, for example, when number of users is less, and near-far interference is not apparent, orthogonal multiple access is obviously still better than nonopiate
Multiple access.Therefore, NR should support coexisting for orthogonal multiple access techniques and non-orthogonal multiple access technology, while in view of different anon-normal
The advantage and disadvantage of multiple access technology and applicable different scenes are handed over, coexisting for a variety of non-orthogonal techniques should be supported simultaneously in NR.
The content of the invention
The purpose of the embodiment of the present invention is to propose a kind of method and device of uplink multi-address access, it is intended to solve how
Orthogonal multiple access techniques and the problem of coexisting of non-orthogonal multiple technology are realized in NR.
To use following technical scheme up to this purpose, the embodiment of the present invention：
In a first aspect, a kind of method of uplink multi-address access, methods described include：
Base station sets the configuration information that uplink multi-address accesses, and the configuration information includes the information of subband group and the son
Mapping relations with group with uplink multiple access modes, and carry the configuration information in system broadcast message and be sent to movement
Terminal；
The mobile terminal decodes the system broadcast message, and obtains configuration information from the system broadcast message,
Data or initiation random access request are directly transmitted in subband group according to the business demand of this mobile terminal.
Preferably, the base station sets the information of the subband group of uplink multi-address access, including：
Available bandwidth is arranged to N number of subband, multiple continuous sons by the base station on frequency domain according to presetting granularity size
Band composition subband group.
Preferably, the uplink multiple access modes include：The uplink multiple access modes include：First multiple access accesses
Mode, the second access mode to M access modes.
Preferably, the base station sets the configuration information that uplink multi-address accesses, including：
The subband of predetermined number is distributed into M subband group, and access way corresponding to the first subband group is the first multiple access
Access way；Access way corresponding to second subband group is the second access mode；……；Accessed corresponding to M subband groups
Mode is M access modes.
Preferably, it is described the configuration information is carried in system broadcast message to be sent to mobile terminal, including：
The configuration information is identified by the different bit sequences of field in the system broadcast message, and by the configuration
Information is sent to the mobile terminal.
Second aspect, a kind of device of uplink multi-address access, described device include：
Setup module, for the configuration information for setting uplink multi-address to access, the configuration information includes the information of subband group
And the subband group and the mapping relations of uplink multiple access modes；
Sending module, mobile terminal is sent to for carrying the configuration information in system broadcast message；
Decoder module, for decoding the system broadcast message, and configuration information is obtained from the system broadcast message；
AM access module, for directly transmitting data in subband group according to the business demand of this mobile terminal or initiating random
Access request.
Preferably, the setup module, is specifically used for：
Available bandwidth is arranged to by N number of subband, multiple continuous subband composition according to presetting granularity size on frequency domain
Band group.
Preferably, the uplink multiple access modes include：First access mode, the second access mode to
M access modes.
Preferably, the setup module, also particularly useful for：
The subband of predetermined number is distributed into M subband group, and access way corresponding to the first subband group is the first multiple access
Access way；Access way corresponding to second subband group is the second access mode；……；Accessed corresponding to M subband groups
Mode is M access modes.
Preferably, the sending module, is specifically used for：
The configuration information is identified by the different bit sequences of field in the system broadcast message, and by the configuration
Information is sent to the mobile terminal.
The embodiment of the present invention provides a kind of method and device of uplink multi-address access, and base station sets matching somebody with somebody for uplink multi-address access
Confidence ceases, and the configuration information includes the information of subband group and the mapping of the subband group and uplink multiple access modes is closed
System, and carry the configuration information in system broadcast message and be sent to mobile terminal；The mobile terminal decodes the system
Broadcast message, and configuration information is obtained from the system broadcast message, according to the business demand of this mobile terminal in subband group
It is upper directly to transmit data or initiate random access request, so as to realize that allowing mobile terminal to be realized using different multi-access modes is connect
Enter while also allow to support the mobile terminal of different access technologies to realize access.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of the method for uplink multi-address access provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of multiple access configuration pattern provided in an embodiment of the present invention；
Fig. 3 is a kind of high-level schematic functional block diagram of the device of uplink multi-address access provided in an embodiment of the present invention.
Embodiment
The embodiment of the present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this
The specific embodiment of place description is used only for explaining the embodiment of the present invention, rather than the restriction to the embodiment of the present invention.In addition also
It should be noted that for the ease of describing, the part related to the embodiment of the present invention rather than entire infrastructure are illustrate only in accompanying drawing.
With reference to figure 1, Fig. 1 is a kind of schematic flow sheet of the method for uplink multi-address access provided in an embodiment of the present invention.
As shown in figure 1, the method for the uplink multi-address access includes：
Step 101, base station sets the configuration information that uplink multi-address accesses, the information of the configuration information including subband group with
And the subband group and the mapping relations of uplink multiple access modes, and the configuration information hair is carried in system broadcast message
Give mobile terminal；
Specifically, to support flexible bandwidth resource allocation, according to certain granularity (such as continuous N height on frequency domain
Carrier wave) whole available bandwidths are divided into N number of different subband, labeled as SB0, SB1 ..., SBN-1, and multiple continuous subbands can
To form subband group SBG, such as SBG0, SBG1, SBG2, SBG3.
Preferably, the base station sets the information of the subband group of uplink multi-address access, including：
Available bandwidth is arranged to N number of subband, multiple continuous sons by the base station on frequency domain according to presetting granularity size
Band composition subband group.
Specifically, the uplink multiple access modes supported first in several networks of normalized by definition, including：First multiple access connects
Enter mode, the second access mode to M access modes.
Scheme elaboration is carried out in this programme by taking access mode SCMA, PDMA, MUSA and OFDMA in supporting 4 as an example.
Preferably, the uplink multiple access modes include：Sparse coding multiple access SCMA, pattern distinguish multiple access access
PDMA, multiple users share access MUSA and OFDM OFDMA.
Network predefines the corresponding relation of several SBG and different multi-access modes, referred to as multiple access configuration pattern (NR_
Multiple_Access_Configuration_Pattern), it is all transparent for base station and mobile terminal to change configuration pattern
, as given in Fig. 2, SBG0 in 4 kinds of different configuration patterns, such as configuration (a) is used for OFDMA accesses, SBG1 is used for MUSA
Access, SBG2 are used for PDMA accesses, SBG3 and are then used for SCMA accesses.
Assuming that selected multiple access configuration pattern (b), for SBG_Config0,20 subbands be averagely allocated to 4 kinds it is available more
Location mode；For SBG_Config1,1/4 bandwidth allocation is given to OFDMA, 1/4 bandwidth allocation to MUSA, 1/2 bandwidth allocation
SCMA, PDMA are then without distribution bandwidth resources；For SBG_Config2,1/4 bandwidth allocation is given to OFDMA, 1/4 bandwidth allocation
PDMA；For SBG_Config3, whole bandwidth resources have been distributed on OFDMA.
Another key component of the program is subband SB and subband group SBG corresponding relation, in order to flexibly support difference
The selection and configuration of multi-access mode, realize the best configuration of resource, it is allowed to define different SB and SBG corresponding relation.With 20
Exemplified by individual SB, most 4 SBG, table 1 gives 4 kinds of possible configuration relations.
| SBG0 | SBG1 | SBG2 | SBG3 | |
| SBG_Config0 | SB0~SB4 | SB5~SB9 | SB10~SB14 | SB15~SB19 |
| SBG_Config1 | SB0~SB4 | SB5~SB9 | NAN | SB10~SB19 |
| SBG_Config2 | SB0~SB9 | NAN | SB10~SB19 | NAN |
| SBG_Config3 | SB0~SB19 | NAN | NAN | NAN |
Table 1
Preferably, the base station sets the configuration information that uplink multi-address accesses, including：
The subband of predetermined number is distributed into M subband group, and access way corresponding to the first subband group is the first multiple access
Access way；Access way corresponding to second subband group is the second access mode；……；Accessed corresponding to M subband groups
Mode is M access modes.
Specifically, the sub-band averaging of predetermined number is distributed into 4 subband groups, and access way corresponding to the first subband group
For SCMA；Access way corresponding to second subband group is PDMA；Access way corresponding to 3rd subband group is MUSA；4th subband
Access way corresponding to group is OFDMA.
System represents different NR_Multiple_Access_Configuration_ with different bit sequences
Pattern and different SBG_Config, and be indicated using the respective field in system message.Mobile terminal passes through reception
Code system message is conciliate to obtain the bandwidth allocation information in the current broadcast cycle for different access modes.And corresponding
Bandwidth on directly transmit upstream data message or initiate Stochastic accessing.
Preferably, it is described the configuration information is carried in system broadcast message to be sent to mobile terminal, including：
The configuration information is identified by the different bit sequences of field in the system broadcast message, and by the configuration
Information is sent to the mobile terminal.
Step 102, the mobile terminal decodes the system broadcast message, and obtains and match somebody with somebody from the system broadcast message
Confidence ceases, and directly transmits data or initiation random access request in subband group according to the business demand of this mobile terminal.
The embodiment of the present invention provides a kind of method of uplink multi-address access, and what base station setting uplink multi-address accessed matches somebody with somebody confidence
Breath, the configuration information include the information and the subband group and the mapping relations of uplink multiple access modes of subband group, and
The configuration information is carried in system broadcast message and is sent to mobile terminal；The mobile terminal decodes the system broadcasts and disappeared
Breath, and obtains configuration information from the system broadcast message, according to the business demand of this mobile terminal in subband group directly
Data or initiation random access request are transmitted, allows mobile terminal using different multi-access mode realization accesses, together so as to realize
When also allow support different access technologies mobile terminal can realize access.
With reference to figure 3, Fig. 3 is a kind of functional module signal of the device of uplink multi-address access provided in an embodiment of the present invention
Figure.
As shown in figure 3, described device includes：
Setup module 301, for the configuration information for setting uplink multi-address to access, the configuration information includes the letter of subband group
Breath and the subband group and the mapping relations of uplink multiple access modes；
Sending module 302, mobile terminal is sent to for carrying the configuration information in system broadcast message；
Decoder module 303, for decoding the system broadcast message, and obtained from the system broadcast message and match somebody with somebody confidence
Breath；
AM access module 304, for directly transmitting data or initiation in subband group according to the business demand of this mobile terminal
Random access request.
Preferably, the setup module 301, is specifically used for：
Available bandwidth is arranged to by N number of subband, multiple continuous subband composition according to presetting granularity size on frequency domain
Band group.
Preferably, the uplink multiple access modes include：First access mode, the second access mode to
M access modes.
Specifically, the uplink multiple access modes include：Sparse coding multiple access SCMA, pattern distinguish multiple access access
PDMA, multiple users share access MUSA and OFDM OFDMA.
Preferably, the setup module 301, also particularly useful for：
The subband of predetermined number is distributed into M subband group, and access way corresponding to the first subband group is the first multiple access
Access way；Access way corresponding to second subband group is the second access mode；……；Accessed corresponding to M subband groups
Mode is M access modes.
Specifically, the sub-band averaging of predetermined number is distributed into 4 subband groups, and access way corresponding to the first subband group
For SCMA；Access way corresponding to second subband group is PDMA；Access way corresponding to 3rd subband group is MUSA；4th subband
Access way corresponding to group is OFDMA.
Preferably, the sending module 302, is specifically used for：
The configuration information is identified by the different bit sequences of field in the system broadcast message, and by the configuration
Information is sent to the mobile terminal.
The embodiment of the present invention provides a kind of device of uplink multi-address access, and what base station setting uplink multi-address accessed matches somebody with somebody confidence
Breath, the configuration information include the information and the subband group and the mapping relations of uplink multiple access modes of subband group, and
The configuration information is carried in system broadcast message and is sent to mobile terminal；The mobile terminal decodes the system broadcasts and disappeared
Breath, and obtains configuration information from the system broadcast message, according to the business demand of this mobile terminal in subband group directly
Data or initiation random access request are transmitted, allows mobile terminal using different multi-access mode realization accesses, together so as to realize
When also allow support different access technologies mobile terminal can realize access.
The technical principle of the embodiment of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain this
The principle of inventive embodiments, and the limitation to protection domain of the embodiment of the present invention can not be construed in any way.Based on herein
Explanation, those skilled in the art, which would not require any inventive effort, can associate the other specific of the embodiment of the present invention
Embodiment, these modes are fallen within the protection domain of the embodiment of the present invention.
Claims (10)
- A kind of 1. method of uplink multi-address access, it is characterised in that methods described includes：Base station sets the configuration information that uplink multi-address accesses, and the configuration information includes the information of subband group and the subband group With the mapping relations of uplink multiple access modes, and carry in system broadcast message the configuration information be sent to it is mobile eventually End；The mobile terminal decodes the system broadcast message, and obtains configuration information from the system broadcast message, according to The business demand of this mobile terminal directly transmits data in subband group or initiates random access request.
- 2. according to the method for claim 1, it is characterised in that the base station sets the letter of the subband group of uplink multi-address access Breath, including：Available bandwidth is arranged to N number of subband, multiple continuous subband groups by the base station on frequency domain according to presetting granularity size Into subband group.
- 3. according to the method for claim 1, it is characterised in that the uplink multiple access modes include：First multiple access connects Enter mode, the second access mode to M access modes.
- 4. according to the method in claim 2 or 3, it is characterised in that what the base station setting uplink multi-address accessed matches somebody with somebody confidence Breath, including：The subband of predetermined number is distributed into M subband group, and access way corresponding to the first subband group accesses for the first multiple access Mode；Access way corresponding to second subband group is the second access mode；……；Access way corresponding to M subband groups For M access modes.
- 5. according to the method for claim 1, it is characterised in that described that the configuration information is carried in system broadcast message Mobile terminal is sent to, including：The configuration information is identified by the different bit sequences of field in the system broadcast message, and by the configuration information It is sent to the mobile terminal.
- 6. a kind of device of uplink multi-address access, it is characterised in that described device includes：Setup module, for the configuration information for setting uplink multi-address to access, the information of the configuration information including subband group and The mapping relations of the subband group and uplink multiple access modes；Sending module, mobile terminal is sent to for carrying the configuration information in system broadcast message；Decoder module, for decoding the system broadcast message, and configuration information is obtained from the system broadcast message；AM access module, for directly transmitting data in subband group according to the business demand of this mobile terminal or initiating Stochastic accessing Request.
- 7. device according to claim 6, it is characterised in that the setup module, be specifically used for：Available bandwidth is arranged to by N number of subband, multiple continuous subband composition subband groups according to presetting granularity size on frequency domain.
- 8. device according to claim 6, it is characterised in that the uplink multiple access modes include：First multiple access connects Enter mode, the second access mode to M access modes.
- 9. the device according to claim 7 or 8, it is characterised in that the setup module, also particularly useful for：The subband of predetermined number is distributed into M subband group, and access way corresponding to the first subband group accesses for the first multiple access Mode；Access way corresponding to second subband group is the second access mode；……；Access way corresponding to M subband groups For M access modes.
- 10. device according to claim 6, it is characterised in that the sending module, be specifically used for：The configuration information is identified by the different bit sequences of field in the system broadcast message, and by the configuration information It is sent to the mobile terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610861355.9A CN107872780A (en) | 2016-09-28 | 2016-09-28 | A kind of collocation method and device of uplink multi-address access |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610861355.9A CN107872780A (en) | 2016-09-28 | 2016-09-28 | A kind of collocation method and device of uplink multi-address access |
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| CN107872780A true CN107872780A (en) | 2018-04-03 |
Family
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| CN201610861355.9A Withdrawn CN107872780A (en) | 2016-09-28 | 2016-09-28 | A kind of collocation method and device of uplink multi-address access |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021217524A1 (en) * | 2020-04-29 | 2021-11-04 | 华为技术有限公司 | Access method and device, and communication system |
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