CN105812108A - Control signaling transmission method of large-scale antenna system, base station, terminal and system - Google Patents

Control signaling transmission method of large-scale antenna system, base station, terminal and system Download PDF

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CN105812108A
CN105812108A CN201410855575.1A CN201410855575A CN105812108A CN 105812108 A CN105812108 A CN 105812108A CN 201410855575 A CN201410855575 A CN 201410855575A CN 105812108 A CN105812108 A CN 105812108A
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user terminal
signaling
pdcch signaling
pdcch
rnti
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CN105812108B (en
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朱剑驰
佘小明
陈鹏
杨峰义
毕奇
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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Abstract

The invention discloses a control signaling transmission method of a large-scale antenna system, a base station, a terminal and a system. The method comprises the steps that user terminals in an activation state are divided into one or more user terminal groups, and user terminals in each user terminal group is numbered; when control signaling is sent, a group of physical downlink control channel G-PDCCH signaling is sent to each user terminal group, wherein the G-PDCCH signaling comprises user terminal grouping index, user terminal scheduling instruction and user terminal scheduling information. According to the control signaling transmission method of the large-scale antenna system, the base station, the terminal and the system, the overhead of control signaling can be significantly reduced; the consumption of resources is reduced; and the utilization rate of resources is improved.

Description

The control signaling method of extensive antenna system, base station, terminal and system
Technical field
The present invention relates to mobile communication technology field, particularly relate to the control signaling method of a kind of extensive antenna system, base station, terminal and system.
Background technology
Along with developing rapidly of mobile communication technology, it is contemplated that to the year two thousand twenty, mobile data traffic increased 500-1000 times than 2010, and 5G system needs the corresponding network capacity that promotes to meet data service burst increased requirement.Traffic rate is proposed higher demand by the application of the big bandwidth such as ultra high-definition video, video conference, shared, the 3D game of mass data.5G system needs to support that higher data rate is to support following big band width service, and provides for each user in network and ensure that higher, more fair speed is experienced.Higher efficiency: future network will face capacity requirement and increase sharply and the contradiction of spectrum shortage, and 5G need to promote spectrum utilization efficiency further, eats dishes without rice or wine spectrum efficiency including lifting, improves frequency usage mode.More multi-link number: the connection number of devices that various new business, new model terminal and machine type communication business will greatly increase in network, and consume substantial amounts of Internet resources.5G system is required to support that the equipment of more online user and magnanimity connects.
Extensive antenna (MassiveMIMO) is to meet one of maximally effective technology of 5G demand, abroad carry out corresponding research, domestic IMT-2020 (5G) advances composition to found extensive antenna special topic group and studies, and 3GPP has also had been started up the research to 3D-MIMO.Extensive antenna can improve spectrum efficiency, the problem alleviating spectrum shortage to a certain extent;Extensive antenna can promote network capacity, meets the demand that mobile data services increase;Extensive antenna can improve edge customer speed, improves MPS process;Extensive antenna can improve online user number simultaneously.
In current LTE system, multiuser MIMO (MU-MIMO) could support up 4 identical resources of user's concurrent multiplexing;The data channel PDSCH of each user is required for one and controls signaling PDCCH instruction;Extensive antenna realizes Multi-User Dimension spatial multiplexing gain by the resource that more user's multiplexings are identical, thus improving spectrum efficiency;The number of users of multiplexing will reach 10 or more;Different RB can give different users, and the number of users of actual synchronization multiplexing can be more.In extensive antenna system, owing to the user of concurrent multiplexing is a lot, according to current standard, it is necessary to substantial amounts of control signaling PDCCH, thus consuming ample resources, have a strong impact on resource utilization.1 PDCCH can be made up of 1/2/4/8 CCE, each CCE takies 36 RE, assume that average 1 PDCCH takies 3 CCE, then in 10MHz bandwidth, it is 1.3% that 1 PDCCH takies expense, and then the expense of the PDCCH that 10 users consume is approximately 13%, it is contemplated that different RB can be divided into the user of different users and multiplexing can more than 10, the expense of actual PDCCH will reach 20% or more, have a strong impact on resource utilization.
Summary of the invention
In view of this, the technical problem that the invention solves the problems that is to provide the control signaling method of a kind of extensive antenna system, and each user terminal group is only sent a G-PDCCH signaling.
A kind of control signaling method of extensive antenna system, including: the user terminal being active is divided into one or more user terminal group and group number is set;User terminal in each user terminal group is numbered;When sending control signaling, each user terminal group is sent a group Physical Downlink Control Channel G-PDCCH signaling;Wherein, described G-PDCCH signaling includes: the instruction of user terminal packet index, scheduling of user terminals and scheduling of user terminals information.
According to one embodiment of present invention, further, the numerical intervals of multiple-input and multiple-output Cell Radio Network Temporary Identifier/Identity, Cell-RNTI MIMO-C-RNTI is set;Described G-PDCCH signaling is by described MIMO-C-RNTI scrambling.
According to one embodiment of present invention, further, when judging to meet transmission PDCCH signaling rule, then physical downlink control channel PDCCH signaling is sent to user terminal;Wherein, meet described in and send PDCCH signaling rule and include: data needs that the quantity of the user terminal being active exceedes default flow threshold less than the data traffic of default amount threshold, user terminal, user terminal sends repeat transmission.
According to one embodiment of present invention, further, the numerical intervals of Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI is set;Described PDCCH signaling is by described C-RNTI scrambling.
According to one embodiment of present invention, further, when user terminal receives control instruction, detect that the control signaling received is described G-PDCCH signaling or described G-PDCCH signaling based on described MIMO-C-RNTI and described C-RNTI.
According to one embodiment of present invention, further, when user terminal detects that the control signaling received is described G-PDCCH signaling, according to the user terminal packet index obtained from described G-PDCCH signaling and scheduling of user terminals instruction, it may be judged whether be scheduled;If it is, the numbering according to user terminal obtains described scheduling of user terminals information from described G-PDCCH signaling;Wherein, described scheduling of user terminals information includes: resource allocation information, MCS, DM-RS information, HARQ information.
According to one embodiment of present invention, further, when user terminal detects that the control signaling received is described PDCCH signaling, from described PDCCH signaling, schedule information is obtained.
The technical problem that the invention solves the problems that is to provide a kind of base station, only sends a G-PDCCH signaling for each user terminal group.
A kind of base station, including: end packet unit, for the user terminal being active being divided into one or more user terminal group and arranging group number;User terminal in each user terminal group is numbered;Control signaling transmitting element, for when sending control signaling, each user terminal group being sent a group Physical Downlink Control Channel G-PDCCH signaling;Wherein, described G-PDCCH signaling includes: the instruction of user terminal packet index, scheduling of user terminals and scheduling of user terminals information.
According to one embodiment of present invention, further, scrambling unit, for arranging the numerical intervals of multiple-input and multiple-output Cell Radio Network Temporary Identifier/Identity, Cell-RNTI MIMO-C-RNTI;Described G-PDCCH signaling is by described MIMO-C-RNTI scrambling.
According to one embodiment of present invention, further, described control signaling transmitting element, it is additionally operable to, when judging to meet transmission PDCCH signaling rule, send physical downlink control channel PDCCH signaling to user terminal;Wherein, meet described in and send PDCCH signaling rule and include: data needs that the quantity of the user terminal being active exceedes default flow threshold less than the data traffic of default amount threshold, user terminal, user terminal sends repeat transmission.
According to one embodiment of present invention, further, described scrambling unit, for arranging the numerical intervals of Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI;Described PDCCH signaling is by described C-RNTI scrambling.
The technical problem that the invention solves the problems that is to provide a kind of terminal, it is possible to receive G-PDCCH signaling.
A kind of terminal, including: signaling detection unit, for detecting whether the control signaling received is G-PDCCH signaling;Schedule information acquiring unit, for when detecting that the control signaling received is described G-PDCCH signaling, according to obtaining user terminal packet index and scheduling of user terminals instruction from described G-PDCCH signaling, it may be judged whether be scheduled;If it is, the numbering according to user terminal obtains described scheduling of user terminals information from described G-PDCCH signaling;Wherein, described scheduling of user terminals information includes: resource allocation information, MCS, DM-RS information, HARQ information.
According to one embodiment of present invention, further, described signaling detection unit, for detecting whether the control signaling received is PDCCH signaling;Described schedule information acquiring unit, for when detecting that the control signaling received is described PDCCH signaling, obtaining schedule information from described PDCCH signaling.
According to one embodiment of present invention, further, based on MIMO-C-RNTI and C-RNTI, described signaling detection unit, for detecting that the control signaling received is described G-PDCCH signaling or described G-PDCCH signaling.
A kind of communication system, including: base station, terminal as above.
The control signaling method of the extensive antenna system of the present invention, base station, terminal and system, it is possible to significantly reduce the expense controlling signaling, reduce the consumption of resource, improve the utilization rate of resource.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of the embodiment controlling signaling method of the extensive antenna system according to the present invention;
Fig. 2 is the user terminal controlled in the signaling method packet schematic diagram according to extensive antenna system;
Fig. 3 is the schematic diagram adopting MIMOC-RNTI scrambling controlling signaling method according to extensive antenna system;
Fig. 4 is the structural representation of an embodiment of the base station according to the present invention;
Fig. 5 is the structural representation of an embodiment of the mobile terminal according to the present invention.
Detailed description of the invention
With reference to the accompanying drawings the present invention is described more fully, the exemplary embodiment of the present invention is wherein described.Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.Below in conjunction with each figure and embodiment, technical scheme is carried out many-sided description.
Extensive antenna system is extensive MIMO, is referred to as massiveMIMO or large-scaleMIMO system.Adopt existing PDCCH to need substantial amounts of control signaling consumption, affect resource utilization.In current LTE system, PDCCH has different forms, and the format2B as distributed for downlink resource is as shown in table 1 below:
Field Bit(s)
Resource allocation header 1 (0for BW≤10PRBs)
Resource block assignment Ceiling(NRB/P)
TPC command for PUCCH 2
Downlink Assignment Index 2(For TDD only)
HARQ process number 3bits(FDD),4bits(TDD)
TB1MCS 5
TB1NDI 1
TB1RV 2
TB2MCS 5
TB2NDI 1
TB2RV 2
DM-RS ports and SCID 3
Table 1-is for the format2B table of downlink resource distribution
Fig. 1 is the flow chart of the embodiment controlling signaling method of the extensive antenna system according to the present invention, as shown in Figure 1:
Step 101, is divided into the user terminal being active one or more user terminal group and arranges group number.
Step 102, numbers the user terminal in each user terminal group.
Step 103, when sending control signaling, sends a group Physical Downlink Control Channel G-PDCCH signaling to each user terminal group.
G-PDCCH signaling includes: the information such as the instruction of user terminal packet index, scheduling of user terminals and scheduling of user terminals information.
The control signaling method of the extensive antenna system in above-described embodiment, sends a G-PDCCH signaling to each user terminal group, it is possible to reduce the expense controlling signaling, improves the utilization rate of resource.
PDCCH carries scheduling and other controls signaling, specifically comprises transformat, resource distribution, uplink scheduling license, power control and uplink retransmission information.PDCCH channel is the set of one group of physical resource particle, it carries up-downgoing and controls information, different according to its action scope, PDCCH carries data separation common control information and dedicated control information, the PDCCH information of the different terminals RNTI data separation by its correspondence, namely the crc of its DCI is by RNTI scrambling.
In extensive antenna system, the numerical intervals of multiple-input and multiple-output Cell Radio Network Temporary Identifier/Identity, Cell-RNTI MIMO-C-RNTI is set, and G-PDCCH signaling is by MIMO-C-RNTI scrambling.
As in figure 2 it is shown, user terminal is divided into several groups and numbers, for instance for Group1 ..., n ... N.User terminal in each group is numbered, such as, is UE1 ... k ... K.Base station send control signaling PDCCH time, each group only sends PDCCH, i.e. a G-PDCCH signaling.This G-PDCCH signaling indicates which user in which group, group to be scheduled.
As it is shown on figure 3, definition MIMO-C-RNTI, G-PDCCH are by MIMO-C-RNTI scrambling.MIMO-C-RNTI is group Cell Radio Network Temporary Identifier/Identity, Cell-RNTI.By MIMO-C-RNTI scrambling, user terminal intercepts PDCCH, by checking MIMO-C-RNTI identification G-PDCCH, and reads user terminal packet index and the scheduling of user terminals instruction of G-PDCCH, obtains the schedule information of oneself.
The PDCCH information of the different terminals RNTI data separation by its correspondence, the crc of PDSCH channel control information DCI is by C-RNTI scrambling.C-RNTI is Cell Radio Network Temporary Identifier/Identity, Cell-RNTI.The G-PDCCH information of different grouping carries out data separation by the MIMO-C-RNTI of its correspondence, and the crc of DCI is by MIMO-C-RNTI scrambling.
In one embodiment, the basic structure of G-PDCCH is as shown in table 2 below: include resource distribution classification, resource allocation information, user terminal packet index, scheduling of user terminals instruction, scheduling of user terminals information (HARQ process number, MCS, DM-RS information etc.).
The basic structure table of table 2-G-PDCCH
When judging to meet transmission PDCCH signaling rule, then send physical downlink control channel PDCCH signaling to user terminal.Arranging the numerical intervals of Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI, PDCCH signaling is by C-RNTI scrambling.Meet and send PDCCH signaling rule and include: the data needs that the quantity of the user terminal being active exceedes default flow threshold less than the data traffic of default amount threshold, user terminal, user terminal sends repeat transmission etc..
Base station is optional sends PDCCH or G-PDCCH, and basic norm can be: adopt PDCCH when number of users in scheduling is less, if number of users is less than the group number of packet.Otherwise, adopt G-PDCCH.PDCCH (this situation seldom occurs in MassiveMIMO) is adopted when the data stream that certain user sends is more.Otherwise adopt G-PDCCH.When the data that user sends need to retransmit, adopt PDCCH etc..
In one embodiment, the transmission of G-PDCCH is triggered by high-level signaling in base station, and the packet index of user attaching and the numbering in certain packet are notified user.Base station determines to adopt PDCCH or G-PDCCH according to criterion.When user terminal receives control instruction, detect that based on MIMO-C-RNTI and C-RNTI the control signaling received is G-PDCCH signaling or G-PDCCH signaling.
When user terminal detects that the control signaling received is G-PDCCH signaling, according to the user terminal packet index obtained from G-PDCCH signaling and scheduling of user terminals instruction, it may be judged whether be scheduled.If it is, the numbering according to user terminal obtains scheduling of user terminals information from G-PDCCH signaling.Scheduling of user terminals information includes: resource allocation information, MCS, DM-RS information, HARQ information etc..When user terminal detects that the control signaling received is PDCCH signaling, from PDCCH signaling, obtain schedule information.
User terminal judges whether to receive the high-level signaling triggering G-PDCCH, if received, user terminal is attempted with C-RNTI and MIMO-C-RNTI, PDCCH and G-PDCCH being detected respectively.After user terminal listens to G-PDCCH, read packet index, and read corresponding position in G-PDCCH according to oneself numbering in a packet, judge that whether oneself is scheduled, and read corresponding schedule information, such as resource allocation information, MCS, DM-RS information, HARQ information etc..Without receiving, PDCCH is detected by user terminal C-RNTI.
In one embodiment, it is assumed that have 100 user terminals in extensive antenna (256 antenna) system, wherein 20 are activated user terminal, and the user terminal simultaneously dispatched is 10.According to existing PDCCH, it is necessary to sending 1 PDCCH, i.e. 10 PDCCH for each user terminal, signaling consumption is approximately 13%.
Adopt G-PDCCH, 20 user terminals are divided into 4 groups, often 5 user terminals of group.If the user terminal in scheduling is distributed in 2 groups, now only needing 2 G-PDCCH, signaling consumption is approximately 2.6%, compares with existing PDCCH, and expense declines about 10.4%.If the user terminal in scheduling is distributed in 3 groups, now only needing 3 G-PDCCH, signaling consumption is approximately 3.9%, compares with existing PDCCH, and expense declines about 9.1%.If the user terminal in scheduling is distributed in 3 groups, now only needing 3 G-PDCCH, signaling consumption is approximately 5.2%, compares with existing PDCCH, and expense declines about 7.8%.Adopt G-PDCCH can significantly reduce the expense controlling signaling.
As shown in Figure 4, the present invention provides a kind of base station 21.The user terminal being active is divided into one or more user terminal group and arranges group number by end packet unit 221.User terminal in each user terminal group is numbered.Control signaling transmitting element 212 when sending control signaling, each user terminal group is sent a group Physical Downlink Control Channel G-PDCCH signaling.
G-PDCCH signaling includes: the instruction of user terminal packet index, scheduling of user terminals and scheduling of user terminals information etc..Scrambling unit 213 arranges the numerical intervals of multiple-input and multiple-output Cell Radio Network Temporary Identifier/Identity, Cell-RNTI MIMO-C-RNTI.G-PDCCH signaling is by MIMO-C-RNTI scrambling.
When judging to meet transmission PDCCH signaling rule, control signaling transmitting element 212 and send physical downlink control channel PDCCH signaling to user terminal.Meet and send PDCCH signaling rule and include: the data needs that the quantity of the user terminal being active exceedes default flow threshold less than the data traffic of default amount threshold, user terminal, user terminal sends repeat transmission etc..Scrambling unit 213 arranges the numerical intervals of Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI.PDCCH signaling is by C-RNTI scrambling.
As it is shown in figure 5, the present invention provides a kind of terminal 31.Whether the control signaling that signaling detection unit 311 detection receives is G-PDCCH signaling.When detecting that the control signaling received is G-PDCCH signaling, schedule information acquiring unit 312 is according to obtaining user terminal packet index and scheduling of user terminals instruction from G-PDCCH signaling, it may be judged whether be scheduled.
If it is, schedule information acquiring unit 312 obtains scheduling of user terminals information according to the numbering of user terminal from G-PDCCH signaling.Scheduling of user terminals information includes: resource allocation information, MCS, DM-RS information, HARQ information.
Whether the control signaling that signaling detection unit 311 detection receives is PDCCH signaling.When detecting that the control signaling received is PDCCH signaling, schedule information acquiring unit 312 obtains schedule information from PDCCH signaling.Signaling detection unit 311 detects that based on MIMO-C-RNTI and C-RNTI the control signaling received is G-PDCCH signaling or G-PDCCH signaling.
The present invention provides a kind of communication system, including: base station as above, user terminal.
The control signaling method of extensive antenna system, base station, terminal and the system that above-described embodiment provides, it is possible to significantly reduce the expense controlling signaling, reduces the consumption of resource, improves the utilization rate of resource.
It is likely to be achieved in many ways the method and system of the present invention.Such as, can by software, hardware, firmware or software, hardware, firmware any combination realize the method and system of the present invention.For the said sequence of step of method merely to illustrate, the step of the method for the present invention is not limited to order described in detail above, unless specifically stated otherwise.Additionally, in certain embodiments, can being also record program in the recording medium by the invention process, these programs include the machine readable instructions for realizing the method according to the invention.Thus, the present invention also covers the record medium of the storage program for performing the method according to the invention.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principles of the invention and practical application are better described, and makes those of ordinary skill in the art it will be appreciated that the present invention is thus design is suitable to the various embodiments with various amendments of special-purpose.

Claims (15)

1. the control signaling method of an extensive antenna system, it is characterised in that including:
The user terminal being active is divided into one or more user terminal group and group number is set;User terminal in each user terminal group is numbered;
When sending control signaling, each user terminal group is sent a group Physical Downlink Control Channel G-PDCCH signaling;
Wherein, described G-PDCCH signaling includes: the instruction of user terminal packet index, scheduling of user terminals and scheduling of user terminals information.
2. the method for claim 1, it is characterised in that:
The numerical intervals of multiple-input and multiple-output Cell Radio Network Temporary Identifier/Identity, Cell-RNTI MIMO-C-RNTI is set;
Described G-PDCCH signaling is by described MIMO-C-RNTI scrambling.
3. method as claimed in claim 2, it is characterised in that:
When judging to meet transmission PDCCH signaling rule, then send physical downlink control channel PDCCH signaling to user terminal;
Wherein, the described PDCCH signaling rule that sends includes: data needs that the quantity of the user terminal being active exceedes default flow threshold less than the data traffic of default amount threshold, user terminal, user terminal sends repeat transmission.
4. method as claimed in claim 3, it is characterised in that:
The numerical intervals of Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI is set;
Described PDCCH signaling is by described C-RNTI scrambling.
5. method as claimed in claim 4, it is characterised in that:
When user terminal receives control instruction, detect that the control signaling received is described G-PDCCH signaling or described G-PDCCH signaling based on described MIMO-C-RNTI and described C-RNTI.
6. method as claimed in claim 5, it is characterised in that:
When user terminal detects that the control signaling received is described G-PDCCH signaling, according to the user terminal packet index obtained from described G-PDCCH signaling and scheduling of user terminals instruction, it may be judged whether be scheduled;
If it is, the numbering according to user terminal obtains described scheduling of user terminals information from described G-PDCCH signaling;
Wherein, described scheduling of user terminals information includes: resource allocation information, MCS, DM-RS information, HARQ information.
7. the method as described in claim 5 or 6, it is characterised in that:
When user terminal detects that the control signaling received is described PDCCH signaling, from described PDCCH signaling, obtain schedule information.
8. a base station, it is characterised in that including:
End packet unit, for being divided into one or more user terminal group and arranging group number by the user terminal being active;User terminal in each user terminal group is numbered;
Control signaling transmitting element, for when sending control signaling, each user terminal group being sent a group Physical Downlink Control Channel G-PDCCH signaling;
Wherein, described G-PDCCH signaling includes: the instruction of user terminal packet index, scheduling of user terminals and scheduling of user terminals information.
9. base station as claimed in claim 8, it is characterised in that:
Scrambling unit, for arranging the numerical intervals of multiple-input and multiple-output Cell Radio Network Temporary Identifier/Identity, Cell-RNTI MIMO-C-RNTI;Described G-PDCCH signaling is by described MIMO-C-RNTI scrambling.
10. base station as claimed in claim 9, it is characterised in that:
Described control signaling transmitting element, is additionally operable to, when judging to meet transmission PDCCH signaling rule, send physical downlink control channel PDCCH signaling to user terminal;
Wherein, meet described in and send PDCCH signaling rule and include: data needs that the quantity of the user terminal being active exceedes default flow threshold less than the data traffic of default amount threshold, user terminal, user terminal sends repeat transmission.
11. base station as claimed in claim 10, it is characterised in that:
Described scrambling unit, for arranging the numerical intervals of Cell Radio Network Temporary Identifier/Identity, Cell-RNTI C-RNTI;Described PDCCH signaling is by described C-RNTI scrambling.
12. a terminal, it is characterised in that including:
Signaling detection unit, for detecting whether the control signaling received is G-PDCCH signaling;
Schedule information acquiring unit, for when detecting that the control signaling received is described G-PDCCH signaling, according to obtaining user terminal packet index and scheduling of user terminals instruction from described G-PDCCH signaling, it may be judged whether be scheduled;If it is, the numbering according to user terminal obtains described scheduling of user terminals information from described G-PDCCH signaling;
Wherein, described scheduling of user terminals information includes: resource allocation information, MCS, DM-RS information, HARQ information.
13. terminal as claimed in claim 12, it is characterised in that:
Described signaling detection unit, for detecting whether the control signaling received is PDCCH signaling;
Described schedule information acquiring unit, for when detecting that the control signaling received is described PDCCH signaling, obtaining schedule information from described PDCCH signaling.
14. terminal as claimed in claim 13, it is characterised in that:
Based on MIMO-C-RNTI and C-RNTI, described signaling detection unit, for detecting that the control signaling received is described G-PDCCH signaling or described G-PDCCH signaling.
15. a communication system, it is characterised in that including:
Base station as described in claim 8 to 11 any one, the terminal as described in claim 12 to 14 any one.
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CN109644443A (en) * 2016-12-30 2019-04-16 Oppo广东移动通信有限公司 The method and apparatus of transmitting uplink control information
CN107223319A (en) * 2017-04-28 2017-09-29 北京小米移动软件有限公司 Transmission, acquisition methods and the device of common downlink control information
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CN110831186B (en) * 2018-08-10 2023-10-13 大唐移动通信设备有限公司 Scheduling method, scheduling device, base station, terminal and computer readable storage medium

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