CN101888702B - Method and equipment for transmitting uplink control information - Google Patents
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Abstract
The embodiment of the invention discloses a method and equipment for transmitting uplink control information. The method comprises the following steps that: a base station sends uplink resource scheduling information to a slave node of the base station, wherein the uplink resource scheduling information indicates a first resource block used for the slave node to transmit uplink data; the base station receives the uplink data from the first resource block; the base station determines a second resource block used for the slave node to transmit the uplink control information of according to the first resource block and receives the uplink control information from the second resource block, wherein the first resource block and the second resource block are different resource blocks; and the equipment can be base station equipment, a user terminal or a relay node. Due to adoption of the method and the equipment for transmitting the uplink control information, user data can be avoided from being slotted, and the demodulation effect of the user data can be improved.
Description
Technical field
The present invention relates to mobile communication technology field, relate in particular to a kind of method and apparatus of transmitting uplink control information.
Background technology
Long Term Evolution (Long Term Evolution, LTE) system is the evolution system of 3-G (Generation Three mobile communication system) (3GPP), and advanced long-term evolution system (LTE-Advanced) is the upgraded version of LTE system.In LTE-Advanced system, will introduce relaying (Relay) node, for improving service quality and the Extended Cell coverage of Cell Edge User.
In LTE-Advanced system, about how utilizing Relay node transmission data, studying at present and discussion process in.From the progress of current research and discussion, Relay node adopts the mode of transmission in half-duplex and band to transmit data in LTE-Advanced system.So-called half-duplex, refers to the operation that Relay node can not be received simultaneously and send out in same frequency; In so-called band, refer to that the transfer of data between base station (eNB) and Relay used identical frequency resource with the transfer of data between eNB and Macro UE and Relay and Relay-UE, wherein, in having introduced the LTE-Advanced system (hereinafter referred Relay network) of Relay node, the UE directly being served by eNB is called Macro UE, and the UE directly being served by Relay is called Relay UE.
Fig. 1 is the frame structure schematic diagram in Relay network, and as shown in Figure 1, this frame structure can be divided into as lower area:
Descending access region: in this region, eNB and RN send data to respectively Macro UE and Relay UE.
Down mixing region: in this region, eNB sends data to RN and Macro UE.
Up access region: in this region, Macro UE and Relay UE send data to respectively eNB and RN.
Up Mixed Zone: in this region, Macro UE and RN send data to eNB.
In order to make the Relay network can compatible Rel-8 UE, keep Relay UE and Macro UE to use identical frame structure, Relay network using Multicast Broadcast Single Frequency Network (Multicast BroadcastSingle Frequency Network, MBSFN) mode of subframe realizes the transfer of data of repeated link, and this scheme is as follows:
In up Mixed Zone, when RN sends data to eNB, Relay UE mourns in silence, and does not transmit any upward signal, in down mixing region, when to be eNB send data to RN, the frame structure of Relay is configured to MBSFN subframe, in this MBSFN subframe, configure 1 or 2 OFDM (Orthogonal Frequency-Division Multiplexing, OFDM) the descending control signaling region of symbol, UE transmission descending control signaling for from Relay to its service, and when Relay sends described descending control signaling, Relay can not receive the signal that comes from base station, after described MBSFN sub-frame configuration completes, Relay receives the repeated link data that send base station, and Relay is when receiving described repeated link data, this Relay does not send data to the UE of its service.In down mixing region, base-station transmission to the repeated link data of Relay and control signal be multiplexing together with data area transmission by MBSFN subframe.
ENB sends packet (Transport Block to Relay, TB), Relay receives after described TB, to producing the feedback information of corresponding replying (ACK) or nonreply (NAK) after each TB decoding, in order to represent whether this TB is correctly received.ENB, after receiving the ACK or NAK message of Relay feedback, does not have the correct TB receiving to retransmit to Relay.
Except described ACK and NAK message, Relay or UE also have other ascending control information need to be uploaded to eNB, for example, channel quality indication (Channel Quality Indicator, CQI) message and dispatch request indication (Scheduling Request Indicator, SRI) message.Hereinafter, Relay and UE are referred to as to user.
In prior art, if user does not have upstream data to upload, user's ascending control information will transmit by ascending control channel (PUCCH); If user has upstream data to upload, this user's ascending control information will be in the upper transmission of upstream data shared channel (PUSCH) so, eNB is that the part of the relative users PUSCH resource for transmit ascending data of distributing will be used to transmitting uplink control information, so, user data in PUSCH resource will be perforated, and this will affect the demodulation effect of the data in PUSCH resource.In 3GPP LTE, the transmission means of concrete data/control signals on PUSCH can be with reference to 3GPP TS36.213.
Summary of the invention
In view of this, the object of the embodiment of the present invention is to provide a kind of method and apparatus of transmitting uplink control information, to avoid user data to be perforated, improves the demodulation effect of user data.
For achieving the above object, the technical scheme of the embodiment of the present invention is specifically achieved in that
A method for transmitting uplink control information, the method comprises:
Base station sends ascending resource scheduling information to its slave node, and described ascending resource scheduling information indication is for the first resource piece of described slave node transmit ascending data;
Base station receives described upstream data on described first resource piece;
The Secondary resource piece of described slave node transmitting uplink control information is determined in base station according to described first resource piece, on described Secondary resource piece, receive described ascending control information;
Wherein, described first resource piece and described Secondary resource piece are different Resource Block.
A method for transmitting uplink control information, the method comprises:
The slave node of base station receives the ascending resource scheduling information that described base station sends, and described ascending resource scheduling information indicates described slave node for the first resource piece of transmit ascending data;
Described slave node on described first resource piece to described base-station transmission upstream data;
Described slave node is determined the Secondary resource piece of described slave node transmitting uplink control information according to described first resource piece, on described Secondary resource piece to described base-station transmission ascending control information;
Wherein, described first resource piece and described Secondary resource piece are different Resource Block.
A base station equipment for transmitting uplink control information, this base station equipment comprises:
The first transmitting element, to the slave node transmission ascending resource scheduling information of described base station, described ascending resource scheduling information indication is for the first resource piece of described slave node transmit ascending data;
The first receiving element, for receiving described upstream data on described first resource piece;
The second receiving element receives described ascending control information by the Secondary resource piece of described slave node transmitting uplink control information for determining according to described first resource piece on described Secondary resource piece;
Wherein, described first resource piece and described Secondary resource piece are different Resource Block.
A slave for transmitting uplink control information, this slave comprises:
The first receiving element, the ascending resource scheduling information sending for receiving base station, described ascending resource scheduling information indication is for the first resource piece of transmitting uplink data;
The first transmitting element, for transmitting described upstream data on described first resource piece;
The second transmitting element transmits described ascending control information by the Secondary resource piece of transmitting uplink control information for determining according to described first resource piece on described Secondary resource piece;
Wherein, described first resource piece and described Secondary resource piece are different Resource Block.
As seen from the above technical solution, due in the present invention for the first resource piece of transmit ascending data be different Resource Block for the Secondary resource piece of transmitting uplink control information, therefore, can avoid user data to be perforated, improve the demodulation effect of user data.
Accompanying drawing explanation
Fig. 1 is the frame structure schematic diagram in Relay network.
Fig. 2 is the schematic diagram of first resource piece and Secondary resource piece frequency domain position consecutive hours.
Fig. 3 is first resource piece and Secondary resource piece frequency domain position schematic diagram when discontinuous.
Fig. 4 is the base station equipment structure figure of the transmitting uplink control information that provides of the embodiment of the present invention.
Fig. 5 is the structure chart of the slave of the transmitting uplink control information that provides of the embodiment of the present invention.
Embodiment
For making object of the present invention, technical scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
In the embodiment of the present invention, the slave node equipment of the base station such as via node or user terminal receives the ascending resource scheduling information from described base station, described ascending resource scheduling information indication is for the first resource piece of described slave node transmit ascending data, base station and described slave node are determined the Secondary resource piece of described slave node transmitting uplink control information according to described first resource piece, slave node transmit ascending data on described first resource piece, transmitting uplink control information on described Secondary resource piece, correspondingly, described base station receives described upstream data on described first resource piece, on described Secondary resource piece, receive described ascending control information.
Wherein, described ascending resource scheduling information comprises uplink data scheduling information.Described ascending resource scheduling information is only indicated size and the frequency domain position of first resource piece.Described Secondary resource piece can be the Resource Block being positioned on PUSCH.The size of described Secondary resource piece and frequency domain position are obtained by described first resource.
Resource Block in the embodiment of the present invention on the Resource Block of indication general reference frequency domain.In 3GPP LTE, a Resource Block (Resource Block, RB) is comprised of 12 resource elements (ResourceElement, RE) continuous on frequency domain.A frequency domain resource that resource element is 15KHz.In the embodiment of the present invention, the Resource Block of indication can be comprised of a plurality of 3GPP LTE RB.Described a plurality of 3GPP LTE RB can be continuous on frequency domain, can be also discrete.
Below technical scheme of the present invention is elaborated:
Slave receives the schedule information on PUSCH, this schedule information has been indicated the PUSCH resource for transmit ascending data, this resource can be called first resource piece, slave and base station are according to the rule of making an appointment, according to described first resource piece, be identified for the Secondary resource piece of transmitting uplink control information, slave is transmit ascending data and ascending control information on described first resource piece and Secondary resource piece respectively, wherein, first resource piece and Secondary resource piece are different PUSCH resources.
Main thought of the present invention is size and the frequency domain position that the data resource schedule information of base station transmission is only indicated first resource piece.The size of the Secondary resource piece transmitting for control information and frequency domain position are obtained by certain agreement by size and the frequency domain position of described first resource.
In a kind of case, the frequency domain position of the frequency domain position of Secondary resource piece and first resource piece is adjacent.In another kind of case, the fast frequency domain position of the frequency domain position of Secondary resource piece and first resource is non-conterminous.For example, the frequency domain position of first resource piece is x, and the frequency domain position of Secondary resource piece can be a function y=f (x) of x so.Described function can be y=X-x, and wherein X is system parameters.In a kind of case, X is the sum of system resource block.
In a kind of case, the size of Secondary resource piece is determined by the size of first resource piece.In another kind of case, the size of Secondary resource piece is by the modulating-coding speed of described transfer of data and how many decisions of described control information.Concrete, the size of supposing first resource piece is s1, and the modulating-coding speed of described data is v1, and described control information amount is C, and the big or small s2 of Secondary resource piece can obtain by following formula so: s2=g (s1, v1, C).Concrete functional form g need to meet the demodulation requirement of control information.Wherein, ascending control information number can be by pre-configured user terminal or the via node given in base station, the modulating-coding speed of data can be carried in the schedule information that base station sends, this speed can also obtain according to the size of first resource piece.
Schedule information on described PUSCH can be that described slave is dynamically issued by down control channel in base station, can be also that described slave is semi-statically issued by high-level signaling in base station.Wherein, described down control channel can be the relaying down control channel sending control information for via node specially; Describedly dynamically issue described slave and refer to, described schedule information only to a PUSCH transmission effectively; Describedly semi-statically issue described slave and refer to, to a plurality of PUSCH transmission effectively, a plurality of PUSCH transmission wherein send described schedule information on different transmission time slots.
Described schedule information is by size and the frequency domain position of resource allocation domain (Resource Allocation Field) indication first resource piece, and slave is transmit ascending data and pilot signal (Reference Signal) on described first resource piece.
Described Secondary resource piece is determined according to described first resource piece, and is different from described first resource piece.Particularly, via node transmitting uplink control information (Uplink Control Information, UCI) Resource Block (the Resource Block of the PUSCH that information takies, RB) or resource element (ResourceElement, RE) number can obtain according to the quantity of the information bit of the code rate of upstream data and UCI, that is to say the size that the coded modulation speed of transmitting uplink data of indicating according to described first resource piece and/or the quantity of ascending control information are determined Secondary resource piece.The number of described RB or RE also can be obtained by the indicated PUSCH number of resources of Resource Allocation Field, that is to say, according to the size of described first resource piece, determine the size of the Secondary resource piece of described slave node transmitting uplink control information.Can also take RB that additive method determines that the control informations such as UCI are shared or the number of RE.
Slave is used for transmitting the RB of the control informations such as UCI or the frequency domain position of RE can pass through certain agreement, the PUSCH resource indicated according to Resource Allocation Field obtains, that is to say, according to the frequency domain position of described first resource piece, determine the frequency domain position of the Secondary resource piece of described slave node transmitting uplink control information.Particularly, the frequency domain position of the frequency domain position of first resource piece and Secondary resource piece can be continuous, also can be discontinuous.
Referring to Fig. 2 and Fig. 3, Fig. 2 is the schematic diagram of first resource piece and Secondary resource piece frequency domain position consecutive hours, and Fig. 3 is first resource piece and Secondary resource piece frequency domain position schematic diagram when discontinuous.
Slave can transmit Reference Signal on first resource piece and Secondary resource piece, wherein, can be the same with the Reference Signal transmitting on Secondary resource piece at first resource piece, also can be different, if first resource piece and Secondary resource piece frequency domain position are continuous, slave can transmit public Reference Signal on described first resource piece and Secondary resource piece.
Fig. 4 is the base station equipment structure figure of the transmitting uplink control information that provides of the embodiment of the present invention, and as shown in Figure 4, this base station equipment comprises the first transmitting element 401, the first receiving element 402 and the second receiving element 403.
The first transmitting element 401, to the slave node transmission ascending resource scheduling information of described base station, described ascending resource scheduling information indication is for the first resource piece of described slave node transmit ascending data.
The first receiving element 402, for receiving described upstream data on described first resource piece.
The second receiving element 403 receives described ascending control information by the Secondary resource piece of described slave node transmitting uplink control information for determining according to described first resource piece on described Secondary resource piece.
Wherein, described first resource piece and described Secondary resource piece are different Resource Block.
The second receiving element 403, can determine according to the size of described first resource piece the size of the Secondary resource piece of described slave node transmitting uplink control information.
The second receiving element 403, the size that the coded modulation speed of transmitting uplink data that can indicate according to described first resource piece and/or the quantity of ascending control information are determined Secondary resource piece.
The second receiving element 403, can determine according to the frequency domain position of described first resource piece the frequency domain position of the Secondary resource piece of described slave node transmitting uplink control information.
The frequency domain position of described first resource piece and described Secondary resource piece is adjacent.
Described slave node can comprise user terminal and/or via node.
Fig. 5 is the structure chart of the slave of the transmitting uplink control information that provides of the embodiment of the present invention, and as shown in Figure 5, this slave comprises the first receiving element 501, the first transmitting element 502 and the second transmitting element 503.
The first receiving element 501, the ascending resource scheduling information sending for receiving base station, described ascending resource scheduling information indication is for the first resource piece of transmitting uplink data.
The first transmitting element 502, for transmitting described upstream data on described first resource piece.
The second transmitting element 503 transmits described ascending control information by the Secondary resource piece of transmitting uplink control information for determining according to described first resource piece on described Secondary resource piece.
Wherein, described first resource piece and described Secondary resource piece are different Resource Block.
The second transmitting element 503, can determine according to the size of described first resource piece the size of the Secondary resource piece of described slave node transmitting uplink control information.
The second transmitting element 503, the size that the coded modulation speed of transmitting uplink data that can also indicate according to described first resource piece and/or the quantity of ascending control information are determined Secondary resource piece.
The second transmitting element 503, can also determine according to the frequency domain position of described first resource piece the frequency domain position of the Secondary resource piece of described slave node transmitting uplink control information.
The frequency domain position of described first resource piece and described Secondary resource piece is adjacent.
Described slave can be user terminal or via node.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention, all any modifications of making within the spirit and principles in the present invention, is equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (16)
1. a method for transmitting uplink control information, is characterized in that, the method comprises:
Base station sends ascending resource scheduling information to its slave node, described ascending resource scheduling information indication is for size and the frequency domain position of the first resource piece of described slave node transmit ascending data, and the size of the Secondary resource piece transmitting for control information and frequency domain position are obtained by agreement by size and the frequency domain position of described first resource piece;
Base station receives described upstream data on described first resource piece;
The Secondary resource piece of described slave node transmitting uplink control information is determined in base station according to described first resource piece, on described Secondary resource piece, receive described ascending control information;
Wherein, described first resource piece and described Secondary resource piece be different and on frequency domain adjacent Resource Block, on described first resource piece and described Secondary resource piece, transmit public reference signal.
2. the method for claim 1, is characterized in that, determines that the Secondary resource piece of described slave node transmitting uplink control information comprises according to described first resource piece:
According to the size of described first resource piece, determine the size of the Secondary resource piece of described slave node transmitting uplink control information.
3. the method for claim 1, is characterized in that, determines that the Secondary resource piece of described slave node transmitting uplink control information comprises according to described first resource piece:
The size that the coded modulation speed of transmitting uplink data of indicating according to described first resource piece and/or the quantity of ascending control information are determined Secondary resource piece.
4. the method for claim 1, is characterized in that:
Described slave node comprises user terminal and/or via node.
5. a method for transmitting uplink control information, is characterized in that, the method comprises:
The slave node of base station receives the ascending resource scheduling information that described base station sends, described ascending resource scheduling information indicates described slave node for size and the frequency domain position of the first resource piece of transmit ascending data, and the size of the Secondary resource piece transmitting for control information and frequency domain position are obtained by agreement by size and the frequency domain position of described first resource piece;
Described slave node on described first resource piece to described base-station transmission upstream data;
Described slave node is determined the Secondary resource piece of described slave node transmitting uplink control information according to described first resource piece, on described Secondary resource piece to described base-station transmission ascending control information;
Wherein, described first resource piece and described Secondary resource piece be different and on frequency domain adjacent Resource Block, on described first resource piece and described Secondary resource piece, transmit public reference signal.
6. method as claimed in claim 5, is characterized in that, determines that the Secondary resource piece of described slave node transmitting uplink control information comprises according to described first resource piece:
According to the size of described first resource piece, determine the size of the Secondary resource piece of described slave node transmitting uplink control information.
7. method as claimed in claim 5, is characterized in that, determines that the Secondary resource piece of described slave node transmitting uplink control information comprises according to described first resource piece:
The size that the coded modulation speed of transmitting uplink data of indicating according to described first resource piece and/or the quantity of ascending control information are determined Secondary resource piece.
8. method as claimed in claim 5, is characterized in that:
Described slave node comprises user terminal and/or via node.
9. a base station equipment for transmitting uplink control information, is characterized in that, this base station equipment comprises:
The first transmitting element, slave node to described base station sends ascending resource scheduling information, described ascending resource scheduling information indication is for size and the frequency domain position of the first resource piece of described slave node transmit ascending data, and the size of the Secondary resource piece transmitting for control information and frequency domain position are obtained by agreement by size and the frequency domain position of described first resource piece;
The first receiving element, for receiving described upstream data on described first resource piece;
The second receiving element receives described ascending control information by the Secondary resource piece of described slave node transmitting uplink control information for determining according to described first resource piece on described Secondary resource piece;
Wherein, described first resource piece and described Secondary resource piece be different and on frequency domain adjacent Resource Block, on described first resource piece and described Secondary resource piece, transmit public reference signal.
10. base station equipment as claimed in claim 9, is characterized in that,
Described the second receiving element, determines the size of the Secondary resource piece of described slave node transmitting uplink control information according to the size of described first resource piece.
11. base station equipments as claimed in claim 9, is characterized in that,
Described the second receiving element, the size that the coded modulation speed of transmitting uplink data of indicating according to described first resource piece and/or the quantity of ascending control information are determined Secondary resource piece.
12. base station equipments as claimed in claim 9, is characterized in that,
Described slave node comprises user terminal and/or via node.
The slave of 13. 1 kinds of transmitting uplink control informations, is characterized in that, this slave comprises:
The first receiving element, the ascending resource scheduling information sending for receiving base station, described ascending resource scheduling information indication is for size and the frequency domain position of the first resource piece of transmitting uplink data, and the size of the Secondary resource piece transmitting for control information and frequency domain position are obtained by agreement by size and the frequency domain position of described first resource piece;
The first transmitting element, for transmitting described upstream data on described first resource piece;
The second transmitting element transmits described ascending control information by the Secondary resource piece of transmitting uplink control information for determining according to described first resource piece on described Secondary resource piece;
Wherein, described first resource piece and described Secondary resource piece be different and on frequency domain adjacent Resource Block, on described first resource piece and described Secondary resource piece, transmit public reference signal.
14. slaves as claimed in claim 13, is characterized in that,
Described the second transmitting element, determines the size of the Secondary resource piece of described slave transmitting uplink control information according to the size of described first resource piece.
15. slaves as claimed in claim 13, is characterized in that,
Described the second transmitting element, the size that the coded modulation speed of transmitting uplink data of indicating according to described first resource piece and/or the quantity of ascending control information are determined Secondary resource piece.
16. slaves as claimed in claim 13, is characterized in that,
Described slave is user terminal or via node.
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| CN102740484A (en) * | 2011-04-02 | 2012-10-17 | 中兴通讯股份有限公司 | Method, user equipment, base station, and system of resource scheduling |
| CN102869097B (en) * | 2011-07-07 | 2015-07-08 | 华为技术有限公司 | Transmitting and receiving methods of uplink control signaling and related equipment |
| CN103002477B (en) * | 2011-09-15 | 2016-03-02 | 华为技术有限公司 | The method of transmitting scheduling information, subscriber equipment and base station |
| CN107181577B (en) * | 2016-03-09 | 2022-03-01 | 中兴通讯股份有限公司 | Method and device for transmitting uplink feedback information |
| CN107343297B (en) * | 2016-05-01 | 2019-12-24 | 上海朗帛通信技术有限公司 | Method and device in wireless communication |
| WO2018027942A1 (en) * | 2016-08-12 | 2018-02-15 | 华为技术有限公司 | Information transmission method and device |
| CN109691204B (en) * | 2017-02-06 | 2020-11-17 | Oppo广东移动通信有限公司 | Network node, user device and method for a wireless communication system |
| JP6900501B2 (en) | 2017-03-20 | 2021-07-07 | オッポ広東移動通信有限公司Ｇｕａｎｇｄｏｎｇ Ｏｐｐｏ Ｍｏｂｉｌｅ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ Ｃｏｒｐ．， Ｌｔｄ． | Data transmission method, terminal equipment and network equipment |
| ES2908955T3 (en) * | 2017-11-09 | 2022-05-04 | Guangdong Oppo Mobile Telecommunications Corp Ltd | Uplink control channel resource determination network side method, terminal and device |
| CN112088556B (en) * | 2018-05-11 | 2022-01-04 | Oppo广东移动通信有限公司 | Signal transmission method, relay equipment and network equipment |
| WO2020155069A1 (en) * | 2019-01-31 | 2020-08-06 | Oppo广东移动通信有限公司 | Scheduling request processing method, terminal device and storage medium |
| WO2020191660A1 (en) * | 2019-03-27 | 2020-10-01 | 富士通株式会社 | Data transmission and reception methods and apparatus |
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