Communication information sending method and device
Technical field
The present invention relates to wireless communication technology, particularly relate to control channel transmission technique.
Background technology
In the direction that the uplink direction of wireless communication system, i.e. user terminal are launched to network side, user terminal needs
Transmit different upstream control signalings to network side.Such as, long-term in 3G (Third Generation) Moblie partner program project
Evolution (3GPP LTE, 3rdGeneration Partnership Project Long Term Evolution) in system, this
A little upstream control signalings have confirmation/deny (ACK/NACK, ACKnowledgement/Non-ACKnowledgement) information,
Channel quality instruction (CQI, Channel Quality Indicator) information, multiple-input and multiple-output (MIMO, Multiple
Input Multiple Output) relevant aerial information, and uplink scheduling request instruction information (SRI, Scheduling
Request) etc..
CQI information, for notifying the downlink channel quality situation of user terminal institute perception, to help network side (base
Stand) carry out link circuit self-adapting and frequency selective scheduling.Communication system generally carries out the feedback of CQI according to the distinctive cycle.
For communicating pair, ACK/NACK information, confirms that communication is the most successful.At FDD (FDD, Frequency
Division Duplexing) in system, if user terminal the most only receives a code word, then user terminal is the most anti-
Present an ACK/NACK;If user terminal once have received multiple code word, for example with MIMO technology, then user terminal
Can once feed back multiple ACK/NACK.In time division duplex (TDD, Time Division Duplexing) system, user is eventually
End can also once feed back multiple ACK/NACK of data about multiple descending reception a up moment.Generally,
When user terminal is correctly detecting downlink data, meeting feeding back ACK, if terminal thinks that the downlink data detected is wrong, meeting
Feedback NACK.
SRI information, is for the user terminal on base station synchronization, when it has the up transmission of data latency
Time, needing to send dispatch request instruction information (SRI, Scheduling Request Indicator) to base station, base station receives
After resource request instruction information, if distribution running time-frequency resource is to user terminal, just transmission resource allocation information is to user terminal, opens
Beginning uplink.
Whether send CQI information and ACK/NACK information independent of transmitting uplink data, the two upstream control signaling it
Between whether send the most separate.Generally, CQI information is only had to send or only ACK/NACK information needs at certain user terminal
During transmission, will be transmitted on the specific resource distributed for each of which, corresponding specific resource is called this user's
CQI channel or ack channel.SRI information is relevant with transmitting uplink data, sends the most before data is transmitted, its transmission letter
Road becomes SRI channel.
In 3GPP LTE system, up employing single-carrier frequency division multiple access access technology with reduce signal peak-to-average force ratio, but
The information simultaneously transmitted is needed to be sent in identical frequency resource only in same operating process.In order to maintain up single load
Wave property, when a user terminal has upstream control signaling to be sent simultaneously, cannot use respective specific resource simultaneously
Transmit.At this moment there is upstream data to need to send according to transmission upstream control signaling the most simultaneously, be divided into again two kinds of situations.
Below as a example by ACK/NACK information and CQI information are for needing the upstream control signaling sent simultaneously, division this two
Prior art in the case of Zhong:
In the case of not having upstream data to transmit, in order to safeguard the uplink single-carrier property of 3GPP LTE system simultaneously,
Prior art is that ACK/NACK information and CQI information are multiplexed into the CQI channel resource of this user in a time multiplexed way is enterprising
Row transmission.The situation of one and multiple ACK/NACK is not differentiated between: (a) is only ACK/ with reference to Fig. 1, the ACK/NACK in Fig. 1
The situation of NACK, (b) is the situation of only CQI, and (c) is the situation simultaneously having ACK/NACK and CQI.In Fig. 1, NULL represents not
Transmit any information.
In the case of having upstream data to transmit simultaneously, ACK/NACK and CQI sum on corresponding data channel respectively
It is transmitted according to after wrapping multiplexing together.
Inventor finds, during due to various control signaling common transport, the stock number of use reduces, many through this of multiplexing
The performance planting control signaling all can be affected, and the above-mentioned sending mode simultaneously sending various control information and each self-information
Individually the sending mode of transmission is different, and system design is complex.
Summary of the invention
The main technical problem to be solved in the present invention is to provide launching technique and the device of a kind of signal of communication, in a certain use
When family terminal has various control signaling to be sent simultaneously, moreover it is possible to keep single-carrier property, ensure less control signaling simultaneously
The loss of energy.
Embodiment of the present invention provides the launching technique of a kind of communication information, has multiple control at a certain user terminal simultaneously
When information processed is to be sent, the present invention, according to the value of wherein certain control information, selects the one of this various control information at it
Transmit or be multiplexed on data channel resource on the channel resource of itself and be transmitted.
Present invention also offers discharger corresponding with above-mentioned launching technique.
The single-carrier property requirement that 3GPP LTE system is up i.e. can be met by this simple process, simultaneously will not
Cause big performance loss.This programme can ensure the transmission of transmitted breath to greatest extent when user terminal energy constraint
Performance, and different control channel can with independent design, be independent of each other, system realizes simple.
Accompanying drawing explanation
Fig. 1 is when not having transmitting uplink data simultaneously, the transmission plan of existing ACK/NACK and CQI;
Fig. 2 is the schematic diagram of the specific embodiment of the invention one
Fig. 3 is the schematic diagram of the specific embodiment of the invention two
Fig. 4 is the schematic diagram of the specific embodiment of the invention three
The schematic diagram of Fig. 5 specific embodiment of the invention four
The schematic diagram of Fig. 6 specific embodiment of the invention five
Fig. 7 is the flow chart of specific embodiment of the invention method
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is made into one
Step ground describes in detail.
Below as a example by 3GPP LTE system, ACK/NACK information and CQI information need to send simultaneously, carry out in detail
Introduction.
Following detailed description of the invention provides the launching technique of a kind of communication information, the ACK/NACK information of user terminal and
CQI information needs to send simultaneously, and according to the value of ACK/NACK information, a kind of control information selecting both to control information is sent out
Send.
Wherein, the situation of the transmitting uplink data while that detailed description of the invention one to five not having for user terminal, now,
For the control information selected by transmission on the specific resource of this control information selected distribution.
Detailed description of the invention one
Present embodiment is directed to the situation of each only one of which ACK/NACK.With reference to shown in Fig. 2, the method for the present invention
Process is:
If a the value of () ACK/NACK information is ACK, then select CQI information, and on the CQI channel resource of user
It is transmitted.
If b the value of () ACK/NACK information is NACK, then select ACK/NACK information, believe at the ACK/NACK of user
It is transmitted in road resource.
Detailed description of the invention two
Present embodiment is directed to the situation of each only one of which ACK/NACK.This situation and embodiment one phase
With.With reference to Fig. 3, the process of embodiment of the present invention is:
If a the value of () ACK/NACK information is ACK, then select ACK/NACK information, in the ack channel resource of user
On be transmitted;
If b the value of () ACK/NACK information is NACK, then select CQI information, enterprising at the CQI channel resource of user
Row transmission.
Detailed description of the invention three
Present embodiment for the situation every time having multiple ACK/NACK.With reference to Fig. 4, the process of embodiment of the present invention
For:
If a the value of () multiple ACK/NACK information is all ACK, then select this CQI information, at the CQI channel of user
It is transmitted in resource;
If b at least a value is NACK in () multiple ACK/NACK information, then the plurality of ACK/NACK is selected to believe
Breath, is transmitted on the ACK/NACK channel resource of user.
Detailed description of the invention four
Present embodiment is directed to the situation every time having multiple ACK/NACK.It is identical with the situation of embodiment three,
With reference to Fig. 5, the process of embodiment of the present invention is:
If all NACK of value of (a) multiple ACK/NACK information, then select CQI information, at the CQI channel of user
It is transmitted in resource;
If in the value of (b) multiple ACK/NACK information at least one be ACK, then select the plurality of ACK/NACK
Information, is transmitted on the ACK/NACK channel resource of user.
Detailed description of the invention five
In present embodiment, every time can be with only one of which ACK/NACK, it is possibility to have multiple ACK/NACK.With reference to Fig. 6 a,
The process of embodiment of the present invention is:
Select ACK/NACK information, the ACK/NACK channel resource of user is transmitted.
That is, in this step, ACK/NACK to be sent is one or multiple, concrete regardless of ACK/NACK
Value condition, all abandons this CQI and does not pass, and selects ACK/NACK information, carries out on the ACK/NACK channel resource of user
Transmission.
For front four kinds of detailed description of the invention, receiving side, when base station or NodeB judge receive from a certain use
When the ACK/NACK sent while the terminal of family and CQI information, usual Node B is first carried out on the ack channel of this user terminal
Detection, without effective information being detected, is then demodulated obtaining CQI information to the CQI channel of this user terminal, and sentences
Fixed corresponding downlink data is correct or makes mistakes.Wherein, in detailed description of the invention one and detailed description of the invention three, ACK is dropped not
Pass, if base station is not detected by effective information, then it is assumed that downlink data receives correct;Detailed description of the invention two and being embodied as
In mode four, NACK is dropped and does not pass, if base station is not detected by effective information, then it is assumed that downlink data is that reception makes mistakes.
If detecting effective information on the ack channel of this user terminal, then judge it is lower line number according to information content
According to receiving correct (ACK) or make mistakes (NACK), think that CQI channel is dropped simultaneously and do not pass, do not carry out the demodulation of CQI information.
Do not pass if CQI is dropped, then the CQI information that this channel quality condition can be fed back before next-door neighbour several times
In be predicted, the most simply use the CQI information CQI as this of last time.Owing to channel has certain dependency,
Before using, the CQI of feedback is as scheduling foundation, does not results in big performance loss.
Detailed description of the invention six
Aforementioned each detailed description of the invention is for the situation not having transmitting uplink data simultaneously, but is having up simultaneously
In the case of data transmission, previously described embodiment of the invention is also adaptable.Then line number on user terminal has simultaneously
When needing transmission according to, various control information, the method includes: a kind of according to described various control information controls taking of information
Value, selects a kind of control information of described various control information;By the described control information multiplexing selected to this user terminal
Data channel resource on be transmitted.
In 3GPP LTE system, for the single-carrier property of maintaining uplink, when there being transmitting uplink data, if simultaneously
Ascending control information is also had to send, then to be multiplexed on data channel by ascending control information and transmit together.Concrete, with
When family terminal has upstream data, ACK/NACK and CQI to be sent simultaneously, then they are multiplexed into together on data channel transmission.
In a specific embodiment, then there are upstream data, ACK/NACK information and CQI information needs at user terminal simultaneously
During transmission, the method includes:
The value of the ACK/NACK information according to described various control information, selects ACK/NACK information or CQI information;Will
The described information multiplexing that controls selected is transmitted on the data channel resource of this user terminal.
Concrete selection course can be the same with the mode of foregoing specific embodiments one to five, and difference is to select
The control information multiplexing selected transmits on data channel.
The beneficial effect of each embodiment of the explained later present invention once.When user terminal does not has upstream data to pass simultaneously
Time defeated, the method according to the invention, if user terminal has uplink ACK/NACK and CQI to send simultaneously, then ACK/NACK
It is dropped does not passes with this transmission having in CQI, a remaining channel resource at itself or be multiplexed into this use
It is transmitted on the data channel resource of family terminal.When user terminal is in energy constraint scene, ACK/NACK and CQI is simultaneously
During generation, user terminal has only to transmit ACK/NACK or CQI information, it is possible to ensure the biography of transmitted breath as much as possible
Defeated performance.Due in this programme when there is no transmitting uplink data simultaneously ACK/NACK and CQI will not be multiplexed into same letter
Road resource is transmitted so that ack channel and CQI channel can be independent of each other with independent design, it is possible to the design of simplified system
And realization.
Additionally, when there is no transmitting uplink data simultaneously, when ACK/NACK and CQI information occur, only pass wherein simultaneously
A kind of information, the position that transmitted breath occurs defines the content of information, and i.e. ACK/NACK is on the ack channel of this user terminal
Occur, CQI occurs on the CQI channel of this user terminal, provides extra protection for transmitted breath.Lost at ACK/NACK
Abandoning when not passing, ACK/NACK implicitly can also be inferred by the selection rule receiving and being taked of CQI information.
Upstream control signaling in such scheme is not limited to ACK/NACK information and CQI information, for other upload control
Signaling, such as SRI information is equally applicable.Such as, when the SRI information of same user needs to transmit together with ACK/NACK,
The process of above-mentioned each detailed description of the invention can be used, only into CQI information need to be changed SRI information.
Detailed description of the invention seven
The present invention also provides for the discharger of a kind of communication information, and this device includes:
Select module, for when user terminal has various control information to need to send simultaneously, according to described various control
A kind of value controlling information of information, selects a kind of control information of described various control information;
Transport module, is connected with described selection module, for for described in select control information distribution proprietary money
The control information selected described in transmission on source, or the data by the described control information multiplexing selected to this user terminal
Transmit on channel resource.
Various control information can be the upstream control signalings such as ACK/NACK information, CQI information, SRI information, is typically based on
No matter the different values of ACK/NACK information or its value, select in ACK/NACK information or CQI information or SRI information
The information of kind.When not needing the data transmitted simultaneously, for described in select control information distribution specific resource upload
The control information selected described in defeated;When there is a need to the data transmitted simultaneously, the described control information multiplexing selected is arrived
Transmit on the data channel resource of this user terminal.
The present invention also provides for following example.It should be noted that the numbering of following example it is not absolutely required to defer to
The number order of preceding embodiment:
Embodiment 1, the launching technique of a kind of communication information, including:
When user terminal has various control information to need to send simultaneously, according to a kind of control of described various control information
The value of information, selects a kind of control information of described various control information;
Send the control information of described selection.
Embodiment 2, according to the method described in embodiment 1, the process of described transmission particularly as follows:
For described in send on the specific resource of control information distribution selected described in the control information selected.
Embodiment 3, according to the method described in embodiment 1, described various control information is that various terminal issues the upper of base station
Row controls signaling.
Embodiment 4, according to the method described in embodiment 2, described upstream control signaling specially confirms/denies ACK/NACK
Information, channel quality indicator CQI information, resource request instruction SRI information.
Embodiment 5, according to the method described in embodiment 1 or 4, the step of described selection specifically,
According to the value of described ACK/NACK information, select a kind of control information of described various control information.
Embodiment 6, according to the method described in embodiment 4, if only one of which ACK/NACK information need feedback, described choosing
The step selected specifically,
If the value of ACK/NACK information is ACK, then select other upstream control signaling;
If the value of ACK/NACK information is NACK, then select ACK/NACK information.
Embodiment 7, according to the method described in embodiment 4, if only one of which ACK/NACK information need feedback, described choosing
The step selected specifically,
If the value of ACK/NACK information is ACK, then select ACK/NACK information;
If the value of ACK/NACK information is NACK, then select other upstream control signaling.
Embodiment 8, according to the method described in embodiment 4, if having multiple ACK/NACK information need feedback, described selection
Step specifically,
If the value of multiple ACK/NACK information is all ACK, then select other upstream control signaling;
If at least a value is NACK in multiple ACK/NACK information, then select the plurality of ACK/NACK information.
Embodiment 9, according to the method described in embodiment 4, if having multiple ACK/NACK information need feedback, described selection
Step specifically,
If all NACK of value of multiple ACK/NACK information, then select other upstream control signaling;
If in the value of multiple ACK/NACK information at least one be ACK, then select the plurality of ACK/NACK to believe
Breath.
Embodiment 10, according to the method described in embodiment 6 or 7 or 8 or 9, other upstream control signaling described is channel matter
One in amount instruction CQI information, resource request instruction SRI information.
Embodiment 11, according to the method described in embodiment 1, by the described control information multiplexing selected to this user terminal
Data channel resource on transmit.
Embodiment 12, the discharger of a kind of communication information, this device includes:
Select module, for when user terminal has various control information to need to send simultaneously, according to described various control
A kind of value controlling information of information, selects a kind of control information of described various control information;
Transport module, is connected with described selection module, for for described in select control information distribution proprietary money
The control information selected described in transmission on source, or the data by the described control information multiplexing selected to this user terminal
Transmit on channel resource.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.