CN101888702A - Method and equipment for transmitting uplink control information - Google Patents
Method and equipment for transmitting uplink control information Download PDFInfo
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- CN101888702A CN101888702A CN2009100845242A CN200910084524A CN101888702A CN 101888702 A CN101888702 A CN 101888702A CN 2009100845242 A CN2009100845242 A CN 2009100845242A CN 200910084524 A CN200910084524 A CN 200910084524A CN 101888702 A CN101888702 A CN 101888702A
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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 the 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), advanced long-term evolution system (LTE-Advanced) is the upgraded version of LTE system.In the LTE-Advanced system, will introduce relaying (Relay) node, be used to improve the service quality and the Extended Cell coverage of Cell Edge User.
In the LTE-Advanced system, about how utilizing Relay node transmission data, studying at present and the discussion process in.From the progress of present research and discussion, transmission manner is transmitted data the Relay node adopts half-duplex and is with in the LTE-Advanced system in.So-called half-duplex is meant the operation that the Relay node can not be received simultaneously and send out on same frequency; In the so-called band, be meant that the transfer of data between transfer of data and eNB and Macro UE and Relay and the Relay-UE between base station (eNB) and the Relay uses identical frequency resource, wherein, in the LTE-Advanced system that has introduced the Relay node (hereinafter referred Relay network), the UE that is directly served by eNB is called Macro UE, and the UE that is directly served by Relay is called Relay UE.
Fig. 1 is the frame structure schematic diagram in the Relay network, and as shown in Figure 1, this frame structure can be divided into as lower area:
Descending access zone: in this zone, eNB and RN send data to Macro UE and Relay UE respectively.
The down mixing zone: in this zone, eNB sends data to RN and Macro UE.
Up access zone: in this zone, Macro UE and Relay UE send data to eNB and RN respectively.
Up Mixed Zone: in this zone, Macro UE and RN send data to eNB.
In order to make the Relay network can compatible Rel-8UE, promptly keep Relay UE to use identical frame structure with Macro UE, 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, promptly RN is when eNB sends data, and Relay UE mourns in silence, and does not promptly transmit any upward signal; In the down mixing zone, be that eNB is when RN sends data, the frame structure of Relay is configured to the MBSFN subframe, promptly in this MBSFN subframe, dispose 1 or 2 OFDM (Orthogonal Frequency-Division Multiplexing, OFDM) the descending control signaling zone of symbol, be used for Relay and send descending control signaling to the UE of its service, and when Relay sends described descending control signaling, Relay can not receive and come from signal of base station, after described MBSFN sub-frame configuration is finished, Relay receives the repeated link data that send the base station, and Relay is when receiving described repeated link data, and this Relay does not send data to the UE of its service.In the down mixing zone, it is that transmit the multiplexing data area of together passing through the MBSFN subframe that base station transmits is given the repeated link data of Relay and control signaling.
ENB sends packet to Relay, and (whether Transport Block TB), after Relay receives described TB, to producing the feedback information of replying (ACK) or no response (NAK) of a correspondence after each TB decoding, is correctly received in order to represent this TB.ENB does not have the correct TB that receives to retransmit to Relay behind the ACK or NAK message that receive the Relay feedback.
Except that described ACK and NAK message, Relay or UE also have other ascending control information need be uploaded to eNB, for example, and 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 the user.
In the prior art, if the user does not have upstream data to upload, then user's ascending control information will transmit by ascending control channel (PUCCH); If the user has upstream data to upload, this user's ascending control information will be gone up transmission at upstream data shared channel (PUSCH) so, then eNB is that the part of the relative users PUSCH resource that is used for transmit ascending data of distributing will be used to transmitting uplink control information, so, user data on the PUSCH resource will be perforated, and this will influence the demodulation effect of the data on the PUSCH resource.In 3GPP LTE, the transmission means of concrete data on PUSCH can be with reference to 3GPP TS36.213.
Summary of the invention
In view of this, the purpose of the embodiment of the invention is to provide a kind of method and apparatus of transmitting uplink control information, is perforated to avoid user data, improves the demodulation effect of user data.
For achieving the above object, the technical scheme of the embodiment of the invention specifically is achieved in that
A kind of method of transmitting uplink control information, this method comprises:
The base station sends ascending resource scheduling information to its slave node, and described ascending resource scheduling information indication is used for first Resource Block of described slave node transmit ascending data;
The base station receives described upstream data on described first Resource Block;
Second Resource Block of described slave node transmitting uplink control information is determined according to described first Resource Block in the base station, receives described ascending control information on described second Resource Block;
Wherein, described first Resource Block is different Resource Block with described second Resource Block.
A kind of method of transmitting uplink control information, this 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 to be used for first Resource Block of transmit ascending data;
Described slave node on described first Resource Block to described base station transmits upstream data;
Described slave node is determined second Resource Block of described slave node transmitting uplink control information according to described first Resource Block, on described second Resource Block to described base station transmits ascending control information;
Wherein, described first Resource Block is different Resource Block with described second Resource Block.
A kind of base station equipment of transmitting uplink control information, this base station equipment comprises:
First transmitting element, the slave node to described base station sends ascending resource scheduling information, and described ascending resource scheduling information indication is used for first Resource Block of described slave node transmit ascending data;
First receiving element is used for receiving described upstream data on described first Resource Block;
Second receiving element is used for determining according to described first Resource Block second Resource Block of described slave node transmitting uplink control information, receives described ascending control information on described second Resource Block;
Wherein, described first Resource Block is different Resource Block with described second Resource Block.
A kind of slave of transmitting uplink control information, this slave comprises:
First receiving element is used to receive the ascending resource scheduling information that the base station sends, and described ascending resource scheduling information indication is used for first Resource Block of transmitting uplink data;
First transmitting element is used for the described upstream data of transmission on described first Resource Block;
Second transmitting element is used for determining according to described first Resource Block second Resource Block of transmitting uplink control information, the described ascending control information of transmission on described second Resource Block;
Wherein, described first Resource Block is different Resource Block with described second Resource Block.
As seen from the above technical solution, because being used for first Resource Block of transmit ascending data among the present invention is different Resource Block with second Resource Block that is used for transmitting uplink control information, therefore, can avoid user data to be perforated, improve the demodulation effect of user data.
Description of drawings
Fig. 1 is the frame structure schematic diagram in the Relay network.
Fig. 2 is the schematic diagram of first Resource Block and the second Resource Block frequency domain position consecutive hours.
Fig. 3 is first Resource Block and the second Resource Block frequency domain position schematic diagram when discontinuous.
Fig. 4 is the base station equipment structure chart of the transmitting uplink control information that provides of the embodiment of the invention.
Fig. 5 is the structure chart of the slave of the transmitting uplink control information that provides of the embodiment of the invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
In the embodiment of the invention, the slave node equipment of 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 used for first Resource Block of described slave node transmit ascending data, base station and described slave node are determined second Resource Block of described slave node transmitting uplink control information according to described first Resource Block, slave node transmit ascending data on described first Resource Block then, transmitting uplink control information on described second Resource Block, correspondingly, described base station receives described upstream data on described first Resource Block, on described second Resource Block, receive described ascending control information.
Wherein, described ascending resource scheduling information comprises uplink data scheduling information.Described ascending resource scheduling information is only indicated the size and the frequency domain position of first Resource Block.Described second Resource Block can be the Resource Block that is positioned on the PUSCH.The size of described second Resource Block and frequency domain position are obtained by described first resource.
Resource Block in the embodiment of the invention on the Resource Block of the indication general reference frequency domain.In 3GPP LTE, (Resource Block, RB) (ResourceElement RE) forms a Resource Block by 12 resource elements continuous on frequency domain.A resource element is the frequency domain resource of 15KHz.The Resource Block of indication can be made up of a plurality of 3GPP LTE RB in the embodiment of the invention.Described a plurality of 3GPP LTE RB can be continuous on frequency domain, also can be discontinuous.
Below technical scheme of the present invention is elaborated:
Slave receives the schedule information on the PUSCH, this schedule information has been indicated the PUSCH resource that is used for transmit ascending data, this resource can be called first Resource Block, slave and base station are according to the rule of making an appointment, be identified for second Resource Block of transmitting uplink control information according to described first Resource Block, slave is transmit ascending data and ascending control information on described first Resource Block and second Resource Block respectively, wherein, first Resource Block is different PUSCH resources with second Resource Block.
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 Block.Being used for the size of second Resource Block of control information transmission and frequency domain position is obtained by certain agreement by the 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 second Resource Block and first Resource Block is adjacent.In another kind of case, the fast frequency domain position of the frequency domain position of second Resource Block and first resource is non-conterminous.For example, the frequency domain position of first Resource Block is x, and the frequency domain position of second Resource Block can be the function y=f (x) of x so.Described function can be y=X-x, and wherein X is a system parameters.In a kind of case, X is the sum of system resource block.
In a kind of case, the size of second Resource Block is by the size decision of first Resource Block.In another kind of case, the size of second Resource Block 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 Block 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 second Resource Block can obtain by following formula so: s2=g (s1, v1, C).Concrete functional form g need satisfy the demodulation requirement of control information.Wherein, what of ascending control information can be by pre-configured user terminal or the via node given in base station, and the modulating-coding speed of data can be carried in the schedule information that the base station sends, and this speed can also obtain according to the size of first Resource Block.
Schedule information on the described PUSCH can be that described slave is dynamically issued by down control channel in the base station, also can be that described slave is issued by high-level signaling in the base station semi-staticly.Wherein, described down control channel can be the relaying down control channel that sends control information for via node specially; Describedly dynamically issue described slave and be meant, described schedule information only to a PUSCH transmission effectively; Describedly issue described slave semi-staticly and be meant, described schedule information to a plurality of PUSCH transmission effectively, a plurality of PUSCH wherein are transmitted on the different transmission time slots and send.
Described schedule information is by the size and the frequency domain position of resource allocation territory (Resource Allocation Field) indication first Resource Block, and slave is transmit ascending data and pilot signal (Reference Signal) on described first Resource Block.
Described second Resource Block is determined according to described first Resource Block, and is different from described first Resource Block.Particularly, via node transmitting uplink control information (Uplink Control Information, UCI) Resource Block (the Resource Block of the PUSCH that takies of information, 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, determine the size of second Resource Block according to the quantity of the coded modulation speed of the transmitting uplink data of described first Resource Block indication and/or ascending control information.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, determine the size of second Resource Block of described slave node transmitting uplink control information according to the size of described first Resource Block.Can also take RB that additive method determines that control informations such as UCI are shared or the number of RE.
Slave is used to transmit the RB of 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, determine the frequency domain position of second Resource Block of described slave node transmitting uplink control information according to the frequency domain position of described first Resource Block.Particularly, the frequency domain position of the frequency domain position of first Resource Block and second Resource Block can be continuous, also can be discontinuous.
Referring to Fig. 2 and Fig. 3, Fig. 2 is the schematic diagram of first Resource Block and the second Resource Block frequency domain position consecutive hours, and Fig. 3 is first Resource Block and the second Resource Block frequency domain position schematic diagram when discontinuous.
Slave can transmit Reference Signal on first Resource Block and second Resource Block, wherein, the Reference Signal that transmits on first Resource Block and second Resource Block can be the same, also can be different, if first Resource Block and the second Resource Block frequency domain position are continuous, then slave can transmit public Reference Signal on described first Resource Block and second Resource Block.
Fig. 4 is the base station equipment structure chart of the transmitting uplink control information that provides of the embodiment of the invention, and as shown in Figure 4, this base station equipment comprises first transmitting element 401, first receiving element 402 and second receiving element 403.
First transmitting element 401, the slave node to described base station sends ascending resource scheduling information, and described ascending resource scheduling information indication is used for first Resource Block of described slave node transmit ascending data.
First receiving element 402 is used for receiving described upstream data on described first Resource Block.
Second receiving element 403 is used for determining according to described first Resource Block second Resource Block of described slave node transmitting uplink control information, receives described ascending control information on described second Resource Block.
Wherein, described first Resource Block is different Resource Block with described second Resource Block.
Second receiving element 403 can be determined the size of second Resource Block of described slave node transmitting uplink control information according to the size of described first Resource Block.
Second receiving element 403 can be determined the size of second Resource Block according to the quantity of the coded modulation speed of the transmitting uplink data of described first Resource Block indication and/or ascending control information.
Second receiving element 403 can be determined the frequency domain position of second Resource Block of described slave node transmitting uplink control information according to the frequency domain position of described first Resource Block.
The frequency domain position of described first Resource Block and described second Resource Block 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 invention, and as shown in Figure 5, this slave comprises first receiving element 501, first transmitting element 502 and second transmitting element 503.
First receiving element 501 is used to receive the ascending resource scheduling information that the base station sends, and described ascending resource scheduling information indication is used for first Resource Block of transmitting uplink data.
First transmitting element 502 is used for the described upstream data of transmission on described first Resource Block.
Second transmitting element 503 is used for determining according to described first Resource Block second Resource Block of transmitting uplink control information, the described ascending control information of transmission on described second Resource Block.
Wherein, described first Resource Block is different Resource Block with described second Resource Block.
Second transmitting element 503 can be determined the size of second Resource Block of described slave node transmitting uplink control information according to the size of described first Resource Block.
Second transmitting element 503 can also be determined the size of second Resource Block according to the quantity of the coded modulation speed of the transmitting uplink data of described first Resource Block indication and/or ascending control information.
Second transmitting element 503 can also be determined the frequency domain position of second Resource Block of described slave node transmitting uplink control information according to the frequency domain position of described first Resource Block.
The frequency domain position of described first Resource Block and described second Resource Block is adjacent.
Described slave can be user terminal or via node.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention, all any modifications of being made within the spirit and principles in the present invention, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (24)
1. the method for a transmitting uplink control information is characterized in that, this method comprises:
The base station sends ascending resource scheduling information to its slave node, and described ascending resource scheduling information indication is used for first Resource Block of described slave node transmit ascending data;
The base station receives described upstream data on described first Resource Block;
Second Resource Block of described slave node transmitting uplink control information is determined according to described first Resource Block in the base station, receives described ascending control information on described second Resource Block;
Wherein, described first Resource Block is different Resource Block with described second Resource Block.
2. the method for claim 1 is characterized in that, determines that according to described first Resource Block second Resource Block of described slave node transmitting uplink control information comprises:
Determine the size of second Resource Block of described slave node transmitting uplink control information according to the size of described first Resource Block.
3. the method for claim 1 is characterized in that, determines that according to described first Resource Block second Resource Block of described slave node transmitting uplink control information comprises:
Determine the size of second Resource Block according to the quantity of the coded modulation speed of the transmitting uplink data of described first Resource Block indication and/or ascending control information.
4. the method for claim 1 is characterized in that, determines that according to described first Resource Block second Resource Block of described slave node transmitting uplink control information comprises:
Determine the frequency domain position of second Resource Block of described slave node transmitting uplink control information according to the frequency domain position of described first Resource Block.
5. method as claimed in claim 4 is characterized in that, the frequency domain position of described first Resource Block and described second Resource Block is adjacent.
6. the method for claim 1 is characterized in that:
Described slave node comprises user terminal and/or via node.
7. the method for a transmitting uplink control information is characterized in that, this 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 to be used for first Resource Block of transmit ascending data;
Described slave node on described first Resource Block to described base station transmits upstream data;
Described slave node is determined second Resource Block of described slave node transmitting uplink control information according to described first Resource Block, on described second Resource Block to described base station transmits ascending control information;
Wherein, described first Resource Block is different Resource Block with described second Resource Block.
8. method as claimed in claim 7 is characterized in that, determines that according to described first Resource Block second Resource Block of described slave node transmitting uplink control information comprises:
Determine the size of second Resource Block of described slave node transmitting uplink control information according to the size of described first Resource Block.
9. method as claimed in claim 7 is characterized in that, determines that according to described first Resource Block second Resource Block of described slave node transmitting uplink control information comprises:
Determine the size of second Resource Block according to the quantity of the coded modulation speed of the transmitting uplink data of described first Resource Block indication and/or ascending control information.
10. method as claimed in claim 7 is characterized in that, determines that according to described first Resource Block second Resource Block of described slave node transmitting uplink control information comprises:
Determine the frequency domain position of second Resource Block of described slave node transmitting uplink control information according to the frequency domain position of described first Resource Block.
11. method as claimed in claim 10 is characterized in that, the frequency domain position of described first Resource Block and described second Resource Block is adjacent.
12. method as claimed in claim 7 is characterized in that:
Described slave node comprises user terminal and/or via node.
13. the base station equipment of a transmitting uplink control information is characterized in that, this base station equipment comprises:
First transmitting element, the slave node to described base station sends ascending resource scheduling information, and described ascending resource scheduling information indication is used for first Resource Block of described slave node transmit ascending data;
First receiving element is used for receiving described upstream data on described first Resource Block;
Second receiving element is used for determining according to described first Resource Block second Resource Block of described slave node transmitting uplink control information, receives described ascending control information on described second Resource Block;
Wherein, described first Resource Block is different Resource Block with described second Resource Block.
14. base station equipment as claimed in claim 13 is characterized in that,
Described second receiving element is determined the size of second Resource Block of described slave node transmitting uplink control information according to the size of described first Resource Block.
15. base station equipment as claimed in claim 13 is characterized in that,
Described second receiving element is determined the size of second Resource Block according to the quantity of the coded modulation speed of the transmitting uplink data of described first Resource Block indication and/or ascending control information.
16. base station equipment as claimed in claim 13 is characterized in that,
Described second receiving element is determined the frequency domain position of second Resource Block of described slave node transmitting uplink control information according to the frequency domain position of described first Resource Block.
17. base station equipment as claimed in claim 16 is characterized in that,
The frequency domain position of described first Resource Block and described second Resource Block is adjacent.
18. base station equipment as claimed in claim 13 is characterized in that,
Described slave node comprises user terminal and/or via node.
19. the slave of a transmitting uplink control information is characterized in that, this slave comprises:
First receiving element is used to receive the ascending resource scheduling information that the base station sends, and described ascending resource scheduling information indication is used for first Resource Block of transmitting uplink data;
First transmitting element is used for the described upstream data of transmission on described first Resource Block;
Second transmitting element is used for determining according to described first Resource Block second Resource Block of transmitting uplink control information, the described ascending control information of transmission on described second Resource Block;
Wherein, described first Resource Block is different Resource Block with described second Resource Block.
20. base station equipment as claimed in claim 19 is characterized in that,
Described second transmitting element is determined the size of second Resource Block of described slave node transmitting uplink control information according to the size of described first Resource Block.
21. base station equipment as claimed in claim 19 is characterized in that,
Described second transmitting element is determined the size of second Resource Block according to the quantity of the coded modulation speed of the transmitting uplink data of described first Resource Block indication and/or ascending control information.
22. base station equipment as claimed in claim 19 is characterized in that,
Described second transmitting element is determined the frequency domain position of second Resource Block of described slave node transmitting uplink control information according to the frequency domain position of described first Resource Block.
23. base station equipment as claimed in claim 22 is characterized in that,
The frequency domain position of described first Resource Block and described second Resource Block is adjacent.
24. base station equipment as claimed in claim 19 is characterized in that,
Described slave is user terminal or via node.
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