CN107949055A - A kind of method of definite mixed time slot type and base station - Google Patents
A kind of method of definite mixed time slot type and base station Download PDFInfo
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- CN107949055A CN107949055A CN201610892543.8A CN201610892543A CN107949055A CN 107949055 A CN107949055 A CN 107949055A CN 201610892543 A CN201610892543 A CN 201610892543A CN 107949055 A CN107949055 A CN 107949055A
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- time slot
- mixed time
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- transmit
- mixed
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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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
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the present invention discloses method and the base station of a kind of definite mixed time slot type.The described method includes：The portfolio for the downlink business that the portfolio for the uplink service that acquisition needs to transmit and needs transmit at the time of mixed time slot is configured；The portfolio of the downlink business transmitted according to the portfolio of the uplink service for needing to transmit and needs determines the type of the mixed time slot needed to configure.The base station is used to perform the method.The method of definite mixed time slot type provided in an embodiment of the present invention, can neatly determine the type of mixed time slot, improve spectrum efficiency.
Description
Technical field
The present invention relates to the communications field, and in particular to a kind of method of definite mixed time slot type and base station.
Background technology
With the sustainable development of mobile Internet and Internet of Things, 5G (5thGeneration, the 5th third-generation mobile communication technology)
Technology proposes corresponding requirement also according to development of the ever-increasing demand to itself, in 5G technologies, according to existing need
Ask and mobile communication scene is divided, including eMBB (enhanced Mobile Broadband, strengthen mobile broadband),
The scene such as mMTC (magnanimity machine type communication) and URLLC (the reliable low time delay communication of superelevation).
In URLLC scenes, communication delay requirement is higher, and existing TDD (Time Division Duplexing,
Time division duplex) in frame structure, communication delay is higher, main to include two aspects：First, uplink authorization is sent in downlink subframe
, it is necessary to after sub-frame of uplink reaches after complete, upstream data could be sent；, it is necessary to wait after terminal receives downlink data
After being reached to sub-frame of uplink, corresponding ACK/NACK feedbacks could be carried out, the limitation of above-mentioned tdd frame structure can cause time delay to increase
Add；On the other hand, existing TDD structures are dumb, it is necessary to a kind of dynamic TDD structures be designed, according to the change of business progress
Dynamic adjustment, to improve the spectrum efficiency of system.Therefore, 3GPP (the 3rd Generation Partnership
Project, third generation partner program) propulsion group determine in 5G technologies, the frame structure of TDD is planned again, with
Communication delay is reduced, improves the spectrum efficiency of system.
In current 5G technical discussions, three kinds of structure of time slot are proposed by most of company.Fig. 1 is the structure of three kinds of time slots
Schematic diagram, referring to Fig. 1, three kinds of time slots include pure descending time slot, pure ascending time slot and mixed time slot, and mixed time slot includes two
Type：Mixed DL time domain structure (mixing downlink spatial structure) and mixed UL time domain
Structure (mixing uplink spatial structure), is respectively used to transmission downlink business and uplink service.
However, in 5G technical discussions, how uplink and downlink timeslot and mixed time slot are placed and are not further determined that, even if adopting
With the uplink and downlink mix proportion scheme determined in 4G, mixed time slot therein is also needed to discussed further using which kind of type.
Therefore, a kind of method how is proposed, it may be determined that using which kind of mixed time slot type, tool is of great significance.
The content of the invention
For in the prior art the defects of, the embodiment of the present invention provides a kind of method and base of definite mixed time slot type
Stand.
On the one hand, the embodiment of the present invention proposes a kind of method of definite mixed time slot type, including：
The downlink that the portfolio for the uplink service that acquisition needs to transmit and needs transmit at the time of mixed time slot is configured
The portfolio of business；
The portfolio of the downlink business transmitted according to the portfolio of the uplink service for needing to transmit and needs determines
The type of the mixed time slot needed to configure.
The method of definite mixed time slot type provided in an embodiment of the present invention, can basis due to when configuring mixed time slot
Business transmission situation neatly determines the type of the mixed time slot needed to configure, therefore, adds the flexibility of timeslot scheduling, into
One step improves spectrum efficiency.
On the other hand, the embodiment of the present invention proposes a kind of base station of definite mixed time slot type, including：
Portfolio acquisition module, for obtaining the portfolio for the uplink service for needing to transmit at the time of mixed time slot is configured
And need the portfolio of downlink business transmitted；
Mixed time slot configuration module, is transmitted for the portfolio according to the uplink service for needing to transmit and needs
The portfolio of downlink business determines the type of the mixed time slot needed to configure.
The base station of definite mixed time slot type provided in an embodiment of the present invention, can basis due to when configuring mixed time slot
Business transmission situation neatly determines the type of the mixed time slot needed to configure, therefore, adds the flexibility of timeslot scheduling, into
One step improves spectrum efficiency.
Brief description of the drawings
Fig. 1 is the structure diagram of three kinds of time slots；
Fig. 2 is the embodiment flow diagram present invention determine that the method for mixed time slot type；
Fig. 3 is present invention determine that the example structure schematic diagram of the base station of mixed time slot type.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment be the present invention
Part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
All other embodiments obtained under the premise of creative work are made, belong to the scope of protection of the invention.
Fig. 2 is the embodiment flow diagram present invention determine that the method for mixed time slot type, real referring to Fig. 2, the present invention
Apply example and disclose a kind of method of definite mixed time slot type, including：
Under S1, the portfolio that the uplink service for needing to transmit is obtained at the time of mixed time slot is configured and needs transmit
The portfolio of industry business；
S2, the portfolio of the downlink business transmitted according to the portfolio and needs of the uplink service for needing to transmit are true
Surely the type of the mixed time slot needed to configure.
The method of definite mixed time slot type provided in an embodiment of the present invention, can basis due to when configuring mixed time slot
Business transmission situation neatly determines the type of the mixed time slot needed to configure, therefore, adds the flexibility of timeslot scheduling, into
One step improves spectrum efficiency.
Specifically, in step s 2, if at the time of mixed time slot is configured, the business of the uplink service for needing to transmit
Amount is more than the portfolio of the downlink business for needing to transmit, then the mixed time slot is configured to mixing uplink time domain knot by base station
Structure (mixed UL time domain structure)；
If at the time of mixed time slot is configured, the portfolio of the downlink business for needing to transmit needs to transmit more than described
Uplink service portfolio, then base station the mixed time slot is configured to mixing downlink spatial structure (mixed DL time
domain structure)。
Further, upon step s 2, base station is mixed according to by the pseudo-random sequence that default initial value generates to described
Close time slot to be scrambled, to distinguish the mixed time slot.
Specifically, base station is according to by default first initial value cInit, ULFirst pseudo-random sequence of generation, in mixing
The mixed time slot of row spatial structure is scrambled, to distinguish the mixed time slot of the mixing uplink spatial structure.Wherein, base station root
According to the first pseudo-random sequence, to NR (the New Radio in the control channel region for the mixed time slot for mixing uplink spatial structure
Access Technology, novel radio access technology) PCFICH (Physical Control Format Indicator
Channel, physical layer formats instruction channel) channel scrambled；cInit, UL=cInit, DL+ Δ c, cInit, DLFor the second initial value；
Δ c is the offset relative to second initial value, can directly be configured by base station.
Base station is according to by default second initial value cInit, DLSecond pseudo-random sequence of generation, to mixing downlink time domain knot
The mixed time slot of structure is scrambled, to distinguish the mixed time slot of the mixing downlink spatial structure.Wherein, base station is pseudo- according to second
Random sequence, scrambles the NR PCFICH channels in the control channel region for the mixed time slot for mixing downlink spatial structure.
The method of definite mixed time slot type provided in an embodiment of the present invention, not only neatly determines the class of mixed time slot
Type, improves spectrum efficiency, due also in the NR PCFICH channels of mixed time slot, by using just NR PCFICH channels
Two different scramble sequences of beginningization value are scrambled, therefore also achieve the differentiation of different mixed time slot types.
Fig. 3 is present invention determine that the example structure schematic diagram of the base station of mixed time slot type, real referring to Fig. 3, the present invention
Apply example and also propose a kind of base station of definite mixed time slot type, including：Portfolio acquisition module 1 and mixed time slot configuration module
2；
Portfolio acquisition module 1, for obtaining the business for the uplink service for needing to transmit at the time of mixed time slot is configured
The portfolio for the downlink business that amount and needs transmit；
Mixed time slot configuration module 2, for the portfolio according to the uplink service for needing to transmit and needs to transmit
The portfolio of downlink business determine the type of the mixed time slot needed to configure.
The base station of definite mixed time slot type provided in an embodiment of the present invention, can basis due to when configuring mixed time slot
Business transmission situation neatly determines the type of the mixed time slot needed to configure, therefore, adds the flexibility of timeslot scheduling, into
One step improves spectrum efficiency.
The mixed time slot configuration module 2 is specifically used for：
If at the time of mixed time slot is configured, the portfolio of the uplink service for needing to transmit needs to transmit more than described
Downlink business portfolio, then the mixed time slot configuration module 2 by the mixed time slot be configured to mixing uplink time domain knot
Structure (mixed UL time domain structure)；
If at the time of mixed time slot is configured, the portfolio of the downlink business for needing to transmit needs to transmit more than described
Uplink service portfolio, then the mixed time slot configuration module 2 by the mixed time slot be configured to mixing downlink time domain knot
Structure (mixed DL time domain structure).
Further, the base station further includes mixed time slot scrambling module, is generated for basis by default initial value
Pseudo-random sequence scrambles the mixed time slot, to distinguish the mixed time slot.
The mixed time slot scrambling module is specifically used for：
According to by default first initial value cInit, ULFirst pseudo-random sequence of generation, to mixing uplink spatial structure
Mixed time slot is scrambled, to distinguish the mixed time slot of the mixing uplink spatial structure.Wherein, the mixed time slot scrambling mould
Root tuber is according to the first pseudo-random sequence, to the NR PCFICH in the control channel region for the mixed time slot for mixing uplink spatial structure
Channel is scrambled；cInit, UL=cInit, DL+ Δ c, cInit, DLFor the second initial value；Δ c is relative to second initial value
Offset, can directly be configured by base station.
The mixed time slot scrambling module is according to by default second initial value cInit, DLSecond pseudo-random sequence of generation,
The mixed time slot for mixing downlink spatial structure is scrambled, to distinguish the mixed time slot of the mixing downlink spatial structure.Its
In, the mixed time slot scrambling module is according to the second pseudo-random sequence, the control of the mixed time slot to mixing downlink spatial structure
NR PCFICH channels in channel region are scrambled.
The base station of definite mixed time slot type provided in an embodiment of the present invention, not only neatly determines the class of mixed time slot
Type, improves spectrum efficiency, due also in the NR PCFICH channels of mixed time slot, by using just NR PCFICH channels
Two different scramble sequences of beginningization value are scrambled, therefore also achieve the differentiation of different mixed time slot types.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical solution spirit and
Scope.
Claims (8)
- A kind of 1. method of definite mixed time slot type, it is characterised in that including：The downlink business that the portfolio for the uplink service that acquisition needs to transmit and needs transmit at the time of mixed time slot is configured Portfolio；The portfolio of the downlink business transmitted according to the portfolio of the uplink service for needing to transmit and needs determines needs The type of the mixed time slot of configuration.
- 2. the according to the method described in claim 1, it is characterized in that, business according to the uplink service for needing to transmit Amount and the portfolio for the downlink business for needing to transmit determine that the type of the mixed time slot needed to configure includes：If at the time of mixed time slot is configured, the portfolio of the uplink service for needing to transmit is more than the needs and transmits down The portfolio of industry business, then be configured to mixing uplink spatial structure by the mixed time slot；If at the time of mixed time slot is configured, the portfolio of downlink business for needing to transmit be more than the needs transmit it is upper The portfolio of industry business, then be configured to mixing downlink spatial structure by the mixed time slot.
- 3. according to the method described in claim 2, it is characterized in that, in the industry according to the uplink service for needing to transmit After the portfolio for the downlink business that business amount and needs transmit determines the type of the mixed time slot needed to configure, further include：The mixed time slot is scrambled according to by the pseudo-random sequence that default initial value generates, during distinguishing the mixing Gap.
- 4. the according to the method described in claim 3, it is characterized in that, pseudorandom sequence that the basis is generated by default initial value Row scramble the mixed time slot, are included with distinguishing the mixed time slot：According to the first pseudo-random sequence generated by default first initial value, to mix the mixed time slot of uplink spatial structure into Row scrambling, to distinguish the mixed time slot of the mixing uplink spatial structure；According to the second pseudo-random sequence generated by default second initial value, to mix the mixed time slot of downlink spatial structure into Row scrambling, to distinguish the mixed time slot of the mixing downlink spatial structure.
- A kind of 5. base station, it is characterised in that including：Portfolio acquisition module, for obtained at the time of mixed time slot is configured the portfolio of uplink service that needs to transmit and Need the portfolio of downlink business transmitted；Mixed time slot configuration module, the downlink transmitted for the portfolio according to the uplink service for needing to transmit and needs The portfolio of business determines the type of the mixed time slot needed to configure.
- 6. base station according to claim 5, it is characterised in that the mixed time slot configuration module is specifically used for：If at the time of mixed time slot is configured, the portfolio of the uplink service for needing to transmit is more than the needs and transmits down The portfolio of industry business, then be configured to mixing uplink spatial structure by the mixed time slot；If at the time of mixed time slot is configured, the portfolio of downlink business for needing to transmit be more than the needs transmit it is upper The portfolio of industry business, then be configured to mixing downlink spatial structure by the mixed time slot.
- 7. base station according to claim 6, it is characterised in that further include：Mixed time slot scrambling module, for being carried out according to by the pseudo-random sequence that default initial value generates to the mixed time slot Scrambling, to distinguish the mixed time slot.
- 8. base station according to claim 7, it is characterised in that the mixed time slot scrambling module is specifically used for：According to the first pseudo-random sequence generated by default first initial value, to mix the mixed time slot of uplink spatial structure into Row scrambling, to distinguish the mixed time slot of the mixing uplink spatial structure；According to the second pseudo-random sequence generated by default second initial value, to mix the mixed time slot of downlink spatial structure into Row scrambling, to distinguish the mixed time slot of the mixing downlink spatial structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610892543.8A CN107949055A (en) | 2016-10-12 | 2016-10-12 | A kind of method of definite mixed time slot type and base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610892543.8A CN107949055A (en) | 2016-10-12 | 2016-10-12 | A kind of method of definite mixed time slot type and base station |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101729138A (en) * | 2008-10-15 | 2010-06-09 | 大唐移动通信设备有限公司 | Uplink and downlink transmission method, base station and user equipment |
| US20100303045A1 (en) * | 2008-02-15 | 2010-12-02 | Research In Motion Limited | Systems and methods for assignment and allocation of mixed-type combinations of slots |
| US20160020891A1 (en) * | 2014-07-21 | 2016-01-21 | Intel IP Corporation | System and method for tdd communications |
-
2016
- 2016-10-12 CN CN201610892543.8A patent/CN107949055A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100303045A1 (en) * | 2008-02-15 | 2010-12-02 | Research In Motion Limited | Systems and methods for assignment and allocation of mixed-type combinations of slots |
| CN101729138A (en) * | 2008-10-15 | 2010-06-09 | 大唐移动通信设备有限公司 | Uplink and downlink transmission method, base station and user equipment |
| US20160020891A1 (en) * | 2014-07-21 | 2016-01-21 | Intel IP Corporation | System and method for tdd communications |
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