CN104811995A

CN104811995A - Method and device for controlling sending of repetition grade measurement report to enhance coverage

Info

Publication number: CN104811995A
Application number: CN201410043360.XA
Authority: CN
Inventors: 马修·贝克; 黄晟锋; 陈宇
Original assignee: Alcatel Lucent Shanghai Bell Co Ltd; Alcatel Optical Networks Israel Ltd
Current assignee: Nokia Shanghai Bell Co Ltd; Alcatel Lucent SAS; Alcatel Optical Networks Israel Ltd
Priority date: 2014-01-29
Filing date: 2014-01-29
Publication date: 2015-07-29
Anticipated expiration: 2034-01-29
Also published as: CN104811995B

Abstract

The invention provides a method and device for controlling sending of a repetition grade measurement report to enhance coverage. The method comprises the following steps: receiving a first message from the device; at least partially based on the detection of the first message, determining whether a second message carries a repetition grade measurement report request instruction and/ or determining the value of the instruction; sending the second message to the device; at least partially based on whether the second message carries the repetition grade measurement report request instruction and/ or the value of the instruction, detecting a third message; and at least partially based on the detection of the third message, determining a transmission format of a fourth message to be sent to the device, wherein, when determining that the second message carries the repetition grade measurement report request instruction, reusing one or more bit, reserved for other instructions, in the second message to send the repetition grade measurement report request instruction.

Description

Control the transmission of levels of repetition measurement report to strengthen the method and apparatus covered

Technical field

The present invention relates to coverage enhancement technology, and relate more specifically to in a wireless communication environment by repeating to transmit the method and network node that strengthen covering performance.

Background technology

Universal along with various communication network technology, it provides the support of terminal to more and more kind and devices communicating, such as, except conventional common mobile terminal, also supports machine type communication (MTC) equipment.MTC device is a kind of is the user terminal (UE) that specific purpose uses by machine.An example of this MTC device is intelligent electric meter.Some this intelligent electric meters are placed in basement, and in this case, they experience serious penetration loss, and are therefore difficult to and network service.In order to solve the problem that this equipment brings, some standardization bodies are just laying down technological specification the communication ensureing this MTC device.Such as agreed to set up a new work item at 3GPP, i.e. " low cost MTC UE coverage enhancement " work item for this reason.The target of this research in coverage enhancement is by the covering of this MTCUE (being such as positioned at the MTC UE of basement) expansion 15dB.This UE is called coverage enhancement MTC UE (CE-MTC UE) herein.

For in the research process of coverage enhancement, such as, in 3 gpp about the conceptual phase of this problem, recognize that repeating to transmit is the main method solving CE-MTC UE covering problem.In order to obtain the coverage enhancement of 15dB, estimate will to need tens of PDSCH (physical down link sharing channel)/PUSCH (physical uplink link shared channels) and PRACH (Physical Random Access Channel) to hundreds of secondary repeat transmit, thus cause the remarkable decline of spectrum efficiency.But notice that the CE-MTC UE of also not all needs the coverage extension of nearly 15dB, because such as some CE-MTC UE may be positioned at center of housing estate.Therefore by the CE-MTC UE of center of housing estate and the CE-MTC UE of cell edge is same treats, namely all the coverage enhancement carrying out 15dB will be caused a large amount of wastings of resources.Therefore in the session discussing of 3GPP RAN1, there is the conclusion about using the configurable repetition grade of transmission of eNB, wherein can set limited and repeating grade of transmission, and made each repetition grade of transmission correspond to a number of transmissions.This will make it possible to according to the particular location of UE and the/specific the number of transmissions of channel condition configuration UE, thus reduces the waste of resource.

For CE-MTC UE, the method for above-mentioned repetition needs the transmitting procedure being applied to various data and message, comprises Stochastic accessing (RACH) process.Random access procedure is made up of the exchange of following message:

In the lead code (message 1) of ul transmissions

At the accidental access response (RAR, message 2) of down link

In the message 3 (Msg3) of up link

In the message 4 (Msg4, for contention resolved) of down link

The same with other transfer of data, the transmission of each message related in RACH also faces huge challenge.In addition, owing to all there is no enough information to determine suitable re-transmission grade or number of retransmissions at RACH stage UE and eNB, make problem more complicated.Such as, for the transmission of lead code and RAR, because UE and eNB not yet has alternately any before, therefore the most direct method makes UE and eNB determine the number of retransmissions needed based on self measurement.For Msg3, in RAR, its number of repetition is indicated to be possible by eNB based on the measurement of lead code.And how the number of transmissions of Msg4 is determined, still not effective especially solution at present.

Summary of the invention

One of embodiment of the present invention object be for Msg4 with and subsequent the transmission of other message and data the prioritization scheme determining number of retransmissions is provided, but solution is equally applicable to other processes and the transmission with Similar Problems.

According to a first aspect of the invention, provide a kind of method for controlling levels of repetition measurement report in a communications system, the method comprises: receive the first message from equipment; At least in part based on the detection to described first message, determine whether in the second message, carry the instruction of levels of repetition measurement report request; Described second message is sent as the response to described first message to described equipment; Receive the 3rd message from described equipment; At least in part based on whether carrying the instruction of levels of repetition measurement report request in described second message, detect described 3rd message; At least in part based on the detection of described 3rd message, determine the transformat of the 4th message that will be sent to described equipment; And send described 4th message as the response to described 3rd message according to the described transformat determined to described equipment.

In one embodiment, the method comprises at least in part based on the detection to described first message, determine type and/or the channel quality of described equipment, and according to determined type and/or channel quality, determine whether in the second message, carry the instruction of levels of repetition measurement report request.

In one embodiment, the method comprises when determining that described equipment is when needing the channel quality of the communication equipment of coverage enhancement and/or described equipment lower than given threshold value, determines in described second message, carry the instruction of levels of repetition measurement report request; And when determine described equipment be the channel quality of proper communication equipment and/or described equipment higher than given threshold value time, determine in described second message, do not carry the instruction of levels of repetition measurement report request.

According to still another embodiment of the invention, the method comprises when determining to carry the instruction of levels of repetition measurement report request in described second message, chooses the transmission of resource for described second message from first group of resource; Otherwise from second group of resource, choose the transmission of resource for above-mentioned second message; Wherein said first group of resource and described second group of resource are the predefined different T/F of difference and/or code sequence resources.

According to still another embodiment of the invention, the method comprises when carrying the instruction of levels of repetition measurement report request in described second message, and when described instruction is set to trigger described equipment transmission levels of repetition measurement report, described levels of repetition measurement report is detected from described 3rd message, and based on described levels of repetition measurement report, determine iterative transfer times and/or the levels of repetition of described 4th message; Otherwise, from described 3rd message, do not detect described levels of repetition measurement report, and at least in part based on iterative transfer times and/or the levels of repetition of the measurement of described first message and/or the 3rd message being determined to described 4th message.

In another embodiment, the described levels of repetition measurement report in the 3rd message indicates at least one item in the following:

◆ successfully detect the minimum number of repetition that described second message is used;

◆ about the estimation of the number of repetition of described 4th message;

◆ about the estimation of the levels of repetition of described 4th message;

◆ the estimation of the zoom factor of the number of repetition that the number of repetition about described 4th message is used relative to the transmission of described second message;

◆ the instruction of the sub-grade selected from the levels of repetition that the transmission of described second message is used, its neutron grade corresponds to a number of repetition;

◆ about the estimation of the difference of the number of repetition of described 4th message and the transmission of described second message number of repetition used.

According to one embodiment of present invention, wherein determine that the transformat of the 4th message that will be sent to described equipment comprises the iterative transfer times determining described 4th message.And according to another embodiment, the method also comprise the iterative transfer times of described 4th message determined also is applied to described 4th message after other message of sending and/or data.

In another embodiment of the invention, after the method is included in further and sends described 4th message, send another message, and by by another message described, one or more retains the bits doing other instructions and is used as the described equipment of request and sends or upgrade the instruction of described levels of repetition measurement report, wherein said one or more retain the bits doing other instructions comprise following at least one item:

◆ for the bit of channel quality instruction request;

◆ for the bit that power controls;

◆ filling bit;

In certain embodiments, another message described is the up link grant message with DCI format 0.

According to embodiments of the invention, above-mentioned either method is provided, wherein when determining to carry the instruction of levels of repetition measurement report request in described second message, by by described second message one or more retain do other instruction bits be used as levels of repetition measurement report request instruction, wherein said one or more retain do other instruction bits comprise following at least one item:

◆ channel status instruction (CSI) request;

◆ for the modulating-coding form of described 3rd message;

◆ control for the power of described 3rd message.

According to still another embodiment of the invention, described in above-mentioned either method, the first message, the second message, the 3rd message and the 4th message are respectively random access guiding in random access procedure, accidental access response RAR, MSG3 and MSG4, and in the second message, carry the instruction of levels of repetition measurement report request be ask bit to realize by channel status instruction (CSI) of reusing in RAR in UL license.

According to a second aspect of the invention, provide a kind of method for controlling levels of repetition measurement report in the equipment of communication system, the method comprises: send the first message to network node; Receive the second message from described network node, and record the minimum iterative transfer times successfully detecting described second message described second message used; At least in part based on the transmission form of described first message and/or the physical resource for detecting described second message, determine whether one or more bit interpretations in described second message as repeating the instruction of level measurement report request; Determine based on described, determine whether to carry levels of repetition measurement report in the 3rd message being sent to described network node; At least in part based on the determination result of whether carrying levels of repetition measurement report in the 3rd message being sent to described network node, generate and send the 3rd message to described network node; Receive the 4th message as the response to described 3rd message from described network node.

According to one embodiment of present invention, wherein send the first message to network node to comprise based on the type of described equipment and/or the measurement to the signal from described network node, determine the transmission form of described first message, generate described first message and send described first message to described network node.

According to another embodiment, the method comprises: when described equipment is when needing the measurement indicating channel quality of the communication equipment of coverage enhancement and/or described signal lower than given threshold value, determines one or more bit interpretations in described second message for repeating the instruction of level measurement report request; And when described equipment be the measurement indicating channel quality of proper communication equipment and/or described signal higher than given threshold value time, determine not by one or more bit interpretations in described second message for repeating the instruction of level measurement report request.

In one embodiment of the invention, when described second message being detected in first group of resource, determine one or more bit interpretations in described second message for repeating the instruction of level measurement report request; And when described second message being detected in second group of resource, determine one or more bit interpretations in described second message not to be indicated for repeating level measurement report request; Wherein said first group of resource and described second group of resource are the predefined different T/F of difference and/or code sequence resources.

According to one embodiment of present invention, the method comprises when determining by one or more bit interpretations in described second message to be the report request instruction of repetition level measurement and described instruction is set to trigger described equipment transmission levels of repetition measurement report, described levels of repetition measurement report is carried in described 3rd message, and, the minimum iterative transfer times of at least part of described second message used based on described second message of recorded successful detection, generate described levels of repetition measurement report, and be included in described 3rd message; Otherwise, generate and do not carry the 3rd message described in described levels of repetition measurement report.

According to one embodiment of present invention, the described levels of repetition measurement report in wherein said 3rd message indicates at least one item in the following:

◆ about the estimation of the number of repetition of described 4th message;

◆ about the estimation of the levels of repetition of described 4th message;

According to another embodiment of the present invention, after the method is included in further and receives described 4th message, receive another message from described network node, and by another message described, one or more retains the bit interpretations doing other instructions and makes the described equipment of request and send or upgrade the instruction of described levels of repetition measurement report, wherein said one or more retain the bits doing other instructions comprise following at least one item:

◆ for the bit of channel quality instruction request;

◆ for the bit of Resourse Distribute;

◆ for the bit that power controls;

◆ filling bit.

In one embodiment of the invention, another message described is the up link grant message with DCI format 0.

According to still another embodiment of the invention, when determining one or more bit interpretations in described second message to indicate for repeating level measurement report request, by in described second message one or more retain do other instructions bit interpretations for repeating the instruction of level measurement report request, wherein said one or more retain the bits doing other instructions comprise instruction following in the bit of at least one:

◆ channel status instruction (CSI) request;

◆ for the modulating-coding form of described 3rd message;

◆ control for the power of described 3rd message.

According to another embodiment of the present invention, wherein said first message, the second message, the 3rd message and the 4th message are respectively random access guiding, accidental access response, MSG3 and MSG4 in random access procedure, and the levels of repetition measurement report request of carrying in the second message instruction is realized by the CSI request bit of reusing in RAR in UL license.

According to a third aspect of the invention we, a kind of base station for controlling levels of repetition measurement report being in a communications system provided, comprising: the first receiving element, be arranged to the first message received from equipment; First determining unit, is arranged at least in part based on the detection to described first message, determines whether in the second message, carry the instruction of levels of repetition measurement report request; First transmitting element, is arranged to and sends described second message as the response to described first message to described equipment; Second receiving element, is arranged to the 3rd message received from described equipment; And at least in part based on whether carrying the instruction of levels of repetition measurement report request in described second message, detect described 3rd message; Second determining unit, is arranged at least in part based on the detection of above-mentioned 3rd message, determines the transformat of the 4th message that will be sent to described equipment; Second transmitting element, is arranged to and sends described 4th message as the response to described 3rd message according to determined described transformat to described equipment.

According to a forth aspect of the invention, a kind of equipment for controlling levels of repetition measurement report in the equipment of communication system being provided, comprising: the first transmitting element, being arranged to and sending the first message to network node; First receiving element, is arranged to the second message received from described network node, and records the minimum iterative transfer times successfully detecting described second message described second message used; First determining unit, be arranged at least in part based on described first message transmission form and/or the physical resource of described second message detected, determine whether one or more bit interpretations in described second message as repeating the instruction of level measurement report request; Second determining unit, is arranged to the determination result based on described first determining unit, determines whether to carry levels of repetition measurement report in the 3rd message being sent to described network node; Second transmitting element, being arranged at least in part based on whether carrying other guide in the determination result of levels of repetition measurement report and described second message in the 3rd message being sent to described network node, generating and sending the 3rd message to described network node; Second receiving element, is arranged to the 4th message as the response to described 3rd message received from described network node.

Accompanying drawing explanation

In order to more complete understanding exemplary embodiment of the present invention, referring now to the following description carried out by reference to the accompanying drawings, in the accompanying drawings:

Fig. 1 illustrates and performs the signaling procedure between eNB and UE involved in random access procedure at UE in the prior art;

Fig. 2 illustrates the structural representation of the RAR message sent by eNB in the random access procedure in the prior art;

Fig. 3 A is the example flow diagram of the method for controlling levels of repetition measurement report used in base station end according to embodiments of the invention;

Fig. 3 B is the schematic diagram carrying levels of repetition measurement report request in the RAR message sent in base station according to embodiments of the invention;

The flow chart of the method for controlling levels of repetition measurement report that end uses;

Fig. 3 C be according to embodiments of the invention base station end use for control levels of repetition measurement report method involved by the schematic diagram of signaling;

Fig. 3 D be according to embodiments of the invention base station end use for control levels of repetition measurement report method involved by another schematic diagram of signaling;

Fig. 4 is according to the example flow diagram of embodiments of the invention in the method for controlling levels of repetition measurement report of UE end use;

Fig. 5 illustrates the schematic block diagram of the exemplary base for implementing method in Fig. 3 A according to the embodiment of the present invention; And

Fig. 6 illustrates the schematic diagram of the exemplary UE for implementing method in Fig. 4 according to the embodiment of the present invention.

Embodiment

Below illustrative aspects of the present invention will be described.More specifically, below with reference to concrete non-restrictive example and the current content being regarded as the embodiment imagined of the present invention, illustrative aspects of the present invention is described.It will be appreciated by those skilled in the art that the present invention is never limited to these examples, and can be applied even more extensively.

To notice that following exemplary description relates generally to by the specification used as non-limiting, exemplary network.Specifically, relevant with LTE (comprising LTE-senior) cellular communications networks is used as the exemplary background that coverage enhancement technology involved in the present invention is discussed.Further, the description of illustrative aspects given here and embodiment is specifically related to term directly relevant with it.Such term only uses and does not naturally limit the present invention in any way in the background of presented non-restrictive example.But in fact, disclosed method and apparatus is equally applicable to any other existing or that occur in the future communication system, the network design with Similar Problems, as long as it is compatible with feature described herein.

Hereafter use and somely alternatively describe each aspect of the present invention, embodiment and implementation.It should be noted that the alternative of all descriptions can be provided separately or provide with any combination (also comprising the combination of various alternative Individual features) imagined according to some needs and constraint.

Embodiments of the invention provide and control levels of repetition measurement report in a communication network effectively to strengthen the method for covering.Levels of repetition measurement report is placed under the control of network and eNB by described method, therefore can be configured according to the particular requirement of network environment, performance requirement and operator, and determine whether according to the ability of UE and residing channel circumstance the transmission triggering levels of repetition measurement report.Therefore no matter be all provide potential gain from flexibility or resource efficiency aspect.In addition, the present invention also provides the base station and equipment that can realize the method simultaneously.

The present invention mainly with the Msg4 message in random access procedure for and subsequent other data and signalling solution is discussed, but the program for have other transmission of Similar Problems and other data had in other networks of Similar Problems and/signalling process is applicable equally.Therefore the present invention is not limited to the coverage enhancement of signaling exemplarily and transfer of data.

Due in the description of embodiments of the invention using the example object of the Msg4 of the RACH random access procedure of LTE system as coverage enhancement, first shown in Figure 1ly in LTE system, perform signaling procedure involved in random access procedure at UE.As shown in Figure 1, the UE carrying out Stochastic accessing is needed first to send RACH lead code to base station, the sequence selection of this lead code, transformat, resource distribution and power requirement such as can find in 3GPP technical specification TS36.211, TS36.212 and TS36.213, because it is not necessary for understanding the present invention, do not repeat them here.If eNB successfully detects RACH lead code, responsively, it sends RAR message to UE in a given time window.As shown in Figure 2, this RAR message comprises instruction for the Timing Advance of UE and up grant message (UL Grant).Wherein, the content in up grant message is appointed as in TS36.213:

Frequency hopping indicates: 1 bit

Resource Block is assigned: 10 bits

The modulation blocked and encoding scheme: 4 bits

Power control command: 3 bits

UL time delay: 1 bit

Channel status instruction (CSI) request: 1 bit

UE can send Msg3 after receiving RAR message in the resource of specifying, and wherein may comprise the information such as RRC connection establishment request.As the response to this message, eNB sends Msg4 further to eliminate possible race problem.

It should be noted that the RACH process being only applicable to non-competing access according to the CSI request bit in the up license in the technical specification RAR message of current LTE, this means for the UE based on contention access, such as MTC UE, this bit is on the shelf.In addition, due to the particularity of the business of MTC UE, such as data volume is little, possible bad channel quality etc., in up link license, other instructions also may be different from common UE, and such as, modulation and the instruction of coding (MCS) scheme only may need to be less than 4 bits and select suitable MCS from minority coded modulation scheme, in this case, the bit of the idle of other or superfluous She may be had.

According to one embodiment of present invention, one or more in these relaxing qubits is used to indicate whether to need to send levels of repetition measurement report to UE, thus effectively control levels of repetition measurement report when not increasing RAR signaling consumption, strengthen covering performance.

Fig. 3 A is the example flow diagram of the method for controlling levels of repetition measurement report used in base station end according to embodiments of the invention.As shown in Figure 3, the first message from equipment is first received in step 301 base station.In one embodiment, this first message is the RACH lead code in RACH process.As previously mentioned, for common UE, the sequence selection of this lead code, transformat, resource distribution and power requirement can find in such as 3GPP technical specification TS36.211, TS36.212 and TS36.213.For having covering problem, be such as in the UE (such as certain ammeter) in the very large environment of the propagation losses such as basement, the transmission of this RACH lead code may need to repeat.The difference of the channel condition residing for each UE, the number of repetition of its lead code can be UE based on selected by oneself measurement.This measurement can be carried out based on the public reference signal of community (CRS) or broadcast channel (such as BCH, SCH).If there is the UE of covering problem to have selected suitable number of repetition, then successfully may be detected in step 30l by base station.

After receiving this first message, the form (such as number of repetition) of this message and/or the type of transmission UE and/or channel condition etc. can be known in base station.These information need to carry in the second message by helping base station to determine whether in step 302 the instruction controlling this equipment transmission levels of repetition measurement report, and set the value of this instruction.Such as, according to an embodiment, if by the detection of step 301, base station finds that RACH lead code is not have the form repeated to send, it can suppose that UE is the UE or common UE that channel condition is good, thus determine not carry in RAR and control the instruction that this equipment sends levels of repetition measurement report, otherwise, if base station detects the RACH lead code of repetition, or the number of repetition of lead code exceedes certain threshold value, then base station can suppose that this UE is the UE needing coverage enhancement, thus need also to use in RAR and follow-up transmission to repeat transmission to serve this UE.The instruction controlling this equipment transmission levels of repetition measurement report can be determined to carry in RAR in base station in this case.In addition, such as can arrange this to be designated as 1 and to send levels of repetition measurement report and determine descending operable suitable number of repetition to trigger UE to help base station.

Show at Fig. 3 B and be the example of the second message according to embodiments of the invention in the RAR message sent with base station and carry the schematic diagram of levels of repetition measurement report request.In this example, 1 bit in UL in RAR license is used to the instruction of transmission levels of repetition measurement report request, and this 1 bit when not transmitting this instruction as other purposes.According to embodiments of the invention, this 1 bit when not transmitting the instruction of levels of repetition measurement report request be to be used to indicate in UL license or part instruction with following in the relevant information of at least one item:

L) CSI request; Because the current UE based on contention access does not detect this bit, therefore this bit can be reused and made levels of repetition measurement report request and indicate in certain embodiments;

2) MCS instruction; Such as only 3 bits are wherein retained in certain embodiments and be MCS, and another bit is reused do the instruction of levels of repetition measurement report request;

3) power controls instruction; Assuming that need the UE of coverage enhancement to send with maximum power, the instruction of Partial Power control in certain embodiments can be used as the instruction of levels of repetition measurement report request;

How to explain that this bit can depend on the type of such as UE or the RACH transmission before it.Such as, after receiving RAR, common UE or do not transmit the RACH of repetition leading UE and this 1 bit interpretations in UL license will be become CSI request, MCS indicate or power controls instruction or its part, but not levels of repetition measurement report request.In another embodiment, base station also can by sending the RAR carrying this levels of repetition measurement report request and the RAR that do not carry this levels of repetition measurement report request in different resources, such as utilize different T/Fs and/or code sequence resources to send, thus make UE know according to the resource location detected the bit how explaining that this is reused.According to embodiments of the invention, the resource group for transmitting the RAR carrying this levels of repetition measurement report request and the resource group for transmitting the RAR not carrying this levels of repetition measurement report request can be pre-defined, these two groups of resource non-overlapping copies; According to whether carrying this levels of repetition measurement report request from the transmission of different resource group selection resources for RAR.

Get back to now Fig. 3 A, this second message of carrying or not carrying this levels of repetition measurement report request is sent by base station in step 303.Receive the 3rd message from UE afterwards in step 304 base station, the 3rd message is such as permitted to dispatch by the UL in the second message.In this step, whether base station carries the value of the instruction of levels of repetition measurement report request and/or this instruction at least in part in the second message based on it, detect the 3rd message.According to an embodiment, if base station carries the instruction of levels of repetition measurement report request in the second message, and when described instruction is set to trigger (being such as set to " 1 ") described equipment transmission levels of repetition measurement report, then levels of repetition measurement report is detected by from the 3rd message received in base station; Otherwise, assuming that there is not levels of repetition measurement report in the 3rd message.Be included in this levels of repetition measurement report in the 3rd received message to base station instruction about may be used for the number of repetition of Msg4 and/or other downlink transfer or the information of levels of repetition estimated by UE.According to embodiments of the invention, this levels of repetition measurement report such as can indicate at least one item in the following:

1) successfully detect described second to disappear, cease the minimum number of repetition of described second message used; This numerical value can be less than the number of times that base station sends the actual repetition of RAR institute; Such as base station is that RAR have selected levels of repetition 3, such as correspond to 100 times repeat transmission, but if UE utilizes 50 times of the RAR transmission received just successfully to decode RAR, then UE can report 50 times instead of 100 numbers of repetition.

2) about the estimation of the number of repetition of described 4th message; The minimum transfer number of times successfully detecting RAR use can be converted to the estimation to the number of repetition required for the transmission of the 4th message (such as Msg4) by UE in this case; This estimated value can be different from the minimum transfer number of times successfully detecting RAR and use, because UE can consider that the transmission of the 4th message may use the MCS different from the second information, and/or considers that the 4th message may allow the factors such as HARQ retransmits.In one embodiment, the signal to noise ratio of the down link detected can compare with reference to signal to noise ratio with a certain by UE, thus determines the number of repetition for the 4th message that will report.Such as, when RAR number of repetition i transmits, then this reference signal-to-noise ratio settings is for transmitting the lowest signal-to-noise required for the 4th message with number of repetition i, and therefore when the signal to noise ratio that UE measures is lower than this signal to noise ratio, UE can report a number of repetition higher than number of repetition i; Such as, the number of repetition of this report can be the function of the difference of signal to noise ratio and the reference signal to noise ratio measured.

3) about the estimation of the levels of repetition of described 4th message; UE does not send the number of retransmissions of estimation and only sends the levels of repetition of its correspondence in this case; Help is saved signaling, because the number of possible grade is much smaller than the number of possible number of times by this feedback.

4) about the estimation of the zoom factor of the number of repetition of the described 4th message number of repetition used relative to the transmission of described second message, wherein said zoom factor selects from predetermined multiple zoom factors; Such as, only just successfully decode with the transmission of 50 times if RAR number of repetition is 100 times and UE, then UE can report zoom factor a=0.5, and namely the 4th message can repeat 0.5x100=50 time.In order to save feedback signaling, can define limited zoom factor, such as A=[0.250.50.751], then UE only needs 2 bits to select suitable zoom factor in possibility from 4 in this case.

5) instruction of the sub-grade selected from the transmission of described second message levels of repetition used, wherein said sub-grade selects from predetermined multiple sub-grade, and each the sub-grade in described multiple sub-grade corresponds to a number of repetition; In this case, can be the sub-grade that each RAR levels of repetition defines for the 4th message and/or other transmission follow-up, applicable number of repetition can be fed back more accurately to make UE.Such as RAR levels of repetition 3 (such as, corresponding to repetition 100 times), sub-grade can be defined as follows: 3-l:25 time; 3-2:50 time; 3-3:75 time; 3-4:100 time.UE reports sub-grade according to the reception condition of RAR, and its effect is equal to the feedback of zoom factor form as above.

6) about the estimation of the difference of the number of repetition of described 4th message and the transmission of described second message number of repetition used; Relative to absolute number of repetition, in certain embodiments, UE also can report difference, for number of repetition and the difference of RAR number of retransmissions of the 4th message and/or other transmission follow-up.

After the 3rd message, base station is determined the transformat of the 4th message in step 305 and is sent the 4th message in step 306 to UE.

According to an embodiment, if base station detects levels of repetition measurement report in the 3rd message, then determine iterative transfer times and/or the levels of repetition of the 4th message at least in part according to this report, in addition, such as MCS can also be determined.If base station does not detect levels of repetition measurement report, then at least in part based on iterative transfer times and/or the levels of repetition of the measurement of described first message and/or the 3rd message being determined to described 4th message in the 3rd message.In one embodiment, also comprise and determine MCS.

It should be noted that base station only by the levels of repetition measurement report in the 3rd message as a reference, can consider that other factors finally determine the transformat (number of repetition, MCS etc.) of the 4th message simultaneously.In one embodiment, base station can use to the 4th message the number of repetition being different from UE and reporting.Fig. 3 C illustrates the signaling diagram of such example.In this example, UE sends to eNB the RACH lead code that levels of repetition is 3.Based on this preamble detection, eNB with levels of repetition be the RAR of 3 responsively, and in RAR, indicate UE to report levels of repetition measurement report.Suppose that UE is with the RAR that successfully decoded corresponding to the number of repetition of levels of repetition 2 in this example, and therefore in the 3rd message, report levels of repetition 2 as the levels of repetition for the 4th message and/or other transmission thereafter to eNB.In this example, after receiving the report of UE, the levels of repetition 2 that UE reports is not used for the transmission of the 4th message by base station, still adopts levels of repetition 3 that can be same with the transmission of RAR on the contrary.The decision that the factors such as the different MCS that this may be the variation characteristic considering channel or the different resource of dispatching, adopt are made.In contrast in the example of Fig. 3 D, base station have employed the transmission of levels of repetition for the 4th message of UE report.

According to one embodiment of present invention, the levels of repetition being used for the 4th message determined also can be applied to other data after this and/or signalling by base station.

According to still another embodiment of the invention, after transmission the 4th message, base station can send another message, and is used as ask described equipment to send or upgrade the instruction of described levels of repetition measurement report by the bits one or more reservation in this another message being done other instructions.According to embodiments of the invention, another message described can be the UL grant message with DCI format 0.According to another embodiment of the present invention, described one or more retain do other instruction bits comprise following in UL grant message at least one item:

A) for the bit of channel quality instruction;

B) for the bit of power control;

C) filling bit.

Above composition graphs 3A-3D describes the realization of exemplary method of the present invention in base station, describes below in conjunction with Fig. 4 the operation that exemplary method of the present invention holds at UE.In the diagram, with RACH process in LTE system for example describes the method for embodiments of the invention.But it should be noted that the method is not limited thereto absolutely, it can also be applied to the process that random access procedure in other system or other in other system exist Similar Problems, namely needs the process of coverage enhancement.

In this example as shown in Figure 4, first UE sends the first message in step 401, such as, send RACH lead code, starts RACH process.The transformat of this first message is determined from the public reference signal (CRS) of base station or the measurement of broadcast channel (such as BCH, SCH) according to UE, such as, based on the measurement to DL CRS, UE determines that self exists covering problem, therefore can correspondingly select suitable number of repetition/grade for the transmission of this first message.Selected number of repetition/grade can reflect the characteristic of UE at least in part, such as classification, channel conditions etc.In step 402, UE attempts detecting the second message (such as RACH response message RAR) from base station in given time window, and records the minimum number of repetition successfully detecting the second message this second message used.According to embodiments of the invention, for different UE, the second message that base station sends may have different contents, such as, may carry or not carry the instruction that control UE sends levels of repetition measurement report in this second message.Therefore in step 403, UE also will determine how to explain this second message.According to embodiments of the invention, this can be determined by the transformat of the classification of UE oneself and/or channel conditions and/or the first message.If such as employ in the transmission of RACH lead code repetition with strengthen covering or number of repetition exceed certain threshold value or measure channel quality lower than a certain threshold value, then UE supposes to carry the instruction controlling levels of repetition measurement report in RAR, and by one or more bit interpretations in described second message for repeating the instruction of level measurement report request; Otherwise, there is not this instruction, be namely assumed to this be as current standard the common RAR message that defines, and therefore to detect according to the regulation of current standard.According to another embodiment of the present invention, UE can also according to detecting that the resource of this second message is determined whether to carry the instruction of levels of repetition measurement report request in this RAR.Such as when RAR being detected in first group of resource, then supposing wherein to carry the instruction of levels of repetition measurement report request, if instead RAR detected in second group of resource, then supposing wherein not carry the instruction of levels of repetition measurement report request.According to embodiments of the invention, these two groups of resources can be T/F and/or the code sequence resources of the non-overlapping copies be predefined.

According to one embodiment of present invention, when determining that this second message carries the instruction of levels of repetition measurement report request, then by one or more bit in the second message (such as, the CSI request bit of UL license in the RAR described in fig. 2 or coded modulation format bits or power control bit or its part) be interpreted as the instruction of levels of repetition measurement report request, such bit example shown in Fig. 3 B; Otherwise, then determine by this one or more bit interpretations in described second message be with following in the relevant information of at least one item:

1) channel status instruction request;

2) for the modulating-coding form of described 3rd message;

3) power for described 3rd message controls;

According to embodiments of the invention, when the instruction carrying and control levels of repetition measurement report being detected in the second message, and this instruction is set to 1 and sends levels of repetition measurement report to trigger UE, then UE determines to need to carry levels of repetition measurement report in the 3rd message being sent to base station in step 404, otherwise determines not need carrying levels of repetition measurement report in the 3rd message being sent to base station.

In step 405, UE is at least in part based on the determination result in step 404, and the other guide of the second message received and/or form, sends the 3rd message to described network node.According to embodiments of the invention, step 405 comprises when determining that needs carry levels of repetition measurement report in the 3rd message being sent to base station further, the minimum iterative transfer times of at least part of described second message used based on described second message of recorded successful detection, generate described levels of repetition measurement report, and be included in the 3rd message, otherwise generate the Disney message not comprising levels of repetition measurement report.The levels of repetition measurement report generated can be indication information 1 listed in the description of composition graphs 3A)-6) at least one item in item.Can be such as 3), namely according to the minimum number of repetition successfully detecting described second message, estimate the levels of repetition required for the 4th transmission of messages.According to embodiments of the invention, in step 405, UE can also determine transformat (such as MCS) and the resource location of the 3rd message according to the other guide of the second message received.Step 405 also comprises the transmission of the 3rd message.

In step 406, UE receives the 4th message as the response to described 3rd message from described network node.The number of repetition of the 4th message may be different from number of repetition/grade that UE reports in the 3rd message.The number of repetition of the 4th message can be obtained by UE blind Detecting, or the resource location according to detecting the 4th message is determined, or based on other the instruction from base station, such as, showing with the purport in the descending grant message (DLGrant) that transmits in PDCCH.

According to one embodiment of present invention, after described 4th message of reception, UE also may can receive another message (this step is not shown at Fig. 4) from described network node, and by another message described, one or more retains the bit interpretations doing other instructions and makes the described equipment of request and send or upgrade the instruction of described levels of repetition measurement report, wherein said one or more retain the bits doing other instructions comprise following at least one item:

1) for the bit of channel quality instruction;

2) for the bit of Resourse Distribute;

3) for the bit of power control;

4) filling bit;

According to embodiments of the invention, this another message is the up link grant message with DCI format 0.

According to embodiments of the invention, in the method step of composition graphs 3A and 4 describes, involved the first message, the second message, the 3rd message and the 4th message is respectively random access guiding, accidental access response, MSG3 and MSG4 in random access procedure, and in the second message, carry the instruction of levels of repetition measurement report request be realized by the CSI request bit of reusing in RAR in UL license.

Above reference diagram 3A-3D and Fig. 4 describes the method for embodiments of the invention, below shown in Fig. 5 and Fig. 6 for implementing the base station of method and the exemplary construction of equipment in Fig. 3 A and Fig. 4.

Fig. 5 illustrates the schematic block diagram of the exemplary base for implementing method in Fig. 3 A according to the embodiment of the present invention.As shown in Figure 5, this example base station comprises:

First receiving element 501, is arranged to the first message received from equipment;

First determining unit 502, is arranged at least in part based on the detection to described first message, determines whether in the second message, carry the instruction of levels of repetition measurement report request, and/or, determine the value of described instruction;

First transmitting element 503, is arranged to and sends described second message as the response to described first message to described equipment;

Second receiving element 504, is arranged to the 3rd message received from described equipment; And at least in part based on the value of whether carrying the instruction of levels of repetition measurement report request and/or described instruction in described second message, detect described 3rd message;

Second determining unit 505, is arranged at least in part based on the detection of above-mentioned 3rd message, determines the transformat of the 4th message that will be sent to described equipment.

Second transmitting element 506, is arranged to and sends described 4th message as the response to described 3rd message according to determined described transformat to described equipment.

It should be noted that, except each unit shown in Fig. 5, base station also comprises other the base station conventional func of unshowned functional module with executive communication system, such as each reception can be connected with one or more antenna with transmitting element, and also can be connected with one or more memory module.Unit in addition shown in Fig. 5 is logic module, and therefore the function of multiple unit also can be completed by individual module in an embodiment, or the function of individual unit also can be realized by multiple physical module.

According to one embodiment of present invention, this first determining unit 502 is also arranged at least in part based on the detection to described first message, determine the type of the equipment of transmission first message and/or the channel quality of the first message experience, and according to this determination result, determine whether further in the second message, carry the instruction of levels of repetition measurement report request, and/or, determine the value of described instruction.

According to one embodiment of present invention, described first determining unit 502 is also arranged to when determining that described equipment is when needing the channel quality of the communication equipment of coverage enhancement (such as CE-MTC-UE) and/or described equipment lower than given threshold value, determines in described second message, carry the instruction of levels of repetition measurement report request; And when determine described equipment be the channel quality of proper communication equipment and/or described equipment higher than given threshold value time, determine in described second message, do not carry the instruction of levels of repetition measurement report request.

In some embodiments of the invention, when the first determining unit 502 is determined when carrying the instruction of levels of repetition measurement report request in described second message, described first transmitting element 503 is arranged to and utilizes one or more bit of described second message to send described instruction, and, when determining not carry in described second message the instruction of levels of repetition measurement report request, described first transmitting element 503 be arranged to one or more bit described is used for send with following in the relevant information of at least one item:

Channel status instruction request;

For the modulating-coding form of described 3rd message;

Power for described 3rd message controls;

In one embodiment, this second message is RAR message, and the bit for transmitting the instruction of levels of repetition measurement report request is CSI request bit in RAR in UL license or modulating-coding indication bit or power control bit or its part.When described first determining unit 502 determines that these bits are still used as its purposes be originally prescribed in current standard by when not carrying the instruction of levels of repetition measurement report request in described second message.

According to embodiments of the invention, the first transmitting element 503 is arranged to further when determining to carry the instruction of levels of repetition measurement report request in described second message, utilizes from first group of resource, to choose certain resource send the second message; Otherwise, utilize and from second group of resource, choose certain resource send the second message.According to embodiments of the invention, these two groups of resources can be the non-overlapping copies T/F and/or code source that are predefined.This execution mode is by the meaning of one or more bit in help UE correct understanding second message.

According to embodiments of the invention, the second receiving element will utilize the determination result of the first determining unit 502 in the operation of the second receiving element 504.Such as when determining to carry the instruction of levels of repetition measurement report request in the second message, and when described instruction is set to trigger described equipment transmission levels of repetition measurement report, the second receiving element 504 is arranged to and detects levels of repetition measurement report from the 3rd message; Otherwise the second receiving element 504 is arranged to and does not detect described levels of repetition measurement report from the 3rd message.According to embodiments of the invention, the levels of repetition measurement report detected in the 3rd message can be any indication information that base station can be helped to determine number of repetition/grade that the 4th message and/or other transmission thereafter use, such as, it can be any one in following instruction:

1) the minimum number of repetition of described second message described second message used is successfully detected; This numerical value can be less than the number of times that base station sends the actual repetition of RAR institute; Such as base station is that RAR have selected levels of repetition 3, such as correspond to 100 times repeat transmission, but if UE utilizes 50 times of the RAR transmission received just successfully to decode RAR, then UE can report 50 times instead of 100 numbers of repetition.

2) about the estimation of the number of repetition of described 4th message; This numerical value can be successfully detect the minimum transfer number of times that RAR uses and the estimation to the number of repetition required for the transmission of the 4th message (such as Msg4) be converted to based on UE in this case; This estimated value can be different from the minimum transfer number of times successfully detecting RAR and use, because UE can consider that the transmission of the 4th message may use the MCS different from the second information, and/or considers that the 4th message may allow the factors such as HARQ retransmits.In one embodiment, the signal to noise ratio of the down link detected can compare with reference to signal to noise ratio with a certain by UE, thus determines the number of repetition for the 4th message that will report.Such as, when RAR number of repetition i transmits, then this reference signal-to-noise ratio settings is for transmitting the lowest signal-to-noise required for the 4th message with number of repetition i, and therefore when the signal to noise ratio that UE measures is lower than this signal to noise ratio, UE can report a number of repetition higher than number of repetition i; Such as, the number of repetition of this report can be the function of the difference of signal to noise ratio and the reference signal to noise ratio measured.

5) instruction of the sub-grade selected from the transmission of described second message levels of repetition used, wherein said sub-grade selects from predetermined multiple sub-grade, and each the sub-grade in described multiple sub-grade corresponds to a number of repetition; In this case, can be the sub-grade that each RAR levels of repetition defines for the 4th message and/or other transmission follow-up, applicable number of repetition can be fed back more accurately to make UE.Such as RAR levels of repetition 3 (such as, corresponding to repetition 100 times), sub-grade can be defined as follows: 3-1:25 time; 3-2:50 time; 3-3:75 time; 3-4:100 time.UE reports sub-grade according to the reception condition of RAR, and its effect is equal to the feedback of zoom factor form as above.

According to embodiments of the invention, the operation of the second determining unit 505 depends on the result of the first determining unit 502 and the result of the second receiving element 504.Such as when determining to carry the instruction of levels of repetition measurement report request in the second message, and when described instruction is set to trigger described equipment transmission levels of repetition measurement report, second determining unit 505 is arranged to based on the levels of repetition measurement report detected by the second receiving element 504, determines the transformat of described 4th message; Otherwise the second determining unit 505 is arranged at least in part based on the transformat measurement of described first message and/or the 3rd message being determined to described 4th message.According to one embodiment of present invention, determine that the transformat of described 4th message is the iterative transfer times determining the 4th message.And according to another embodiment, the iterative transfer times of other message that the second determining unit 505 sends after being also arranged to and the iterative transfer times of described 4th message determined also being defined as being applied to described 4th message and/or data.

According to embodiments of the invention, number of retransmissions/the grade of determined 4th message of this second determining unit 505, and the number of retransmissions/grade of the 4th message that the second transmitting element sends might not be the received number of repetition/grade indicated by levels of repetition measurement report.Because base station just by this measurement report as a reference, considers that other factor (such as HARQ, scheduling resource, MCS etc.) finally determines the number of repetition of the 4th message simultaneously.

According to one embodiment of present invention, base station can further include the 3rd transmitting element 506 (Fig. 5 is not shown), it is arranged to after described 4th message of transmission, send another message, and by by another message described, one or more retains the bits doing other instructions and is used as the described equipment of request and sends or upgrade the instruction of described levels of repetition measurement report, wherein said one or more retain the bits doing other instructions comprise following at least one item:

For the bit of channel quality instruction;

For the bit that power controls;

Filling bit;

According to one embodiment of present invention, this another message is the up link grant message with DCI format 0.

According to embodiments of the invention, in the operation about the base station described by Fig. 5 and its part, involved the first message, the second message, the 3rd message and the 4th message are respectively random access guiding in random access procedure, accidental access response RAR, MSG3 and MSG4, and described first transmitting element 503 is arranged to and in the second message, carries the instruction of levels of repetition measurement report request by the CSI request bit of reusing in RAR in UL license.

Fig. 6 is the schematic diagram of the exemplary UE for implementing method in Fig. 4 according to the embodiment of the present invention.As shown in Figure 6, UE comprises:

First transmitting element 601, is arranged to and sends the first message to network node;

First receiving element 602, is arranged to the second message received from described network node, and records the minimum iterative transfer times successfully detecting described second message described second message used;

First determining unit 603, be arranged at least in part based on described first message transmission form and/or the physical resource of described second message detected, determine whether one or more bit interpretations in described second message as repeating the instruction of level measurement report request;

Second determining unit 604, is arranged to the determination result based on described first determining unit, determines whether to carry levels of repetition measurement report in the 3rd message being sent to described network node;

Second transmitting element 605, being arranged at least in part based on whether carrying other guide in the determination result of levels of repetition measurement report and described second message in the 3rd message being sent to described network node, generating and sending the 3rd message to described network node;

Second receiving element 606, is arranged to the 4th message as the response to described 3rd message received from described network node.

Equally, it should be noted that, except each unit shown in Fig. 6, UE also comprises other unshowned functional module with the conventional func of the UE of executive communication system, such as each reception can be connected with one or more antenna with transmitting element, and also can be connected with one or more memory module.Unit in addition shown in Fig. 6 is logic module, and therefore the function of multiple unit also can be completed by individual module in an embodiment, or the function of individual unit also can be realized by multiple physical module.

According to one embodiment of present invention, first transmitting element 601 is also arranged to the type based on described equipment and/or the measurement to the signal from described network node (such as base station) (such as to public reference signal, the broadcast channel (BCH of community, SCH) measurement), determine the transmission form (such as number of repetition/grade, sequence length etc.) of described first message, generate described first message and send described first message to described network node.

According to embodiments of the invention, the first receiving element 602 detects the second message from network node (such as base station) in given time window, and this time window can associate with the transformat of the first message.According to embodiments of the invention, also can associate with the transformat of the first message with number of repetition for the resource detecting the second message.The minimum iterative transfer times of described second message of successful detection the second message used that the first receiving element 602 records can be less than or equal to base station and send the number of repetition that this second message uses.According to embodiments of the invention, this first receiving element can be coupled with memory and other processing units, data in the second message received with Storage and Processing, and its data oneself generated, such as successfully detect the minimum iterative transfer times of described second message the second message used.But the omission due to these other unit does not affect the understanding of those skilled in the art to embodiments of the invention main thought, therefore for succinct period is not illustrated.

According to some embodiments of the present invention, first determining unit 603 be also arranged to when UE be need coverage enhancement communication equipment (such as CE-MTC-UE) and/or for the measurement indicating channel quality of such as CRS, BCH, SCH signal lower than given threshold value time, determine one or more bit interpretations in described second message for repeating the instruction of level measurement report request; Otherwise, determine one or more bit interpretations in described second message not to be indicated for repeating level measurement report request, but explain this one or more bit according to first of current standard.In one embodiment, this second message is RAR, when determining by one or more bit interpretations in described second message for repeating the instruction of level measurement report request, UE by the CSI request bit of UL license in RAR or coded modulation bit or power control bit or one partial interpretation for repeating level measurement report request bit; When determining one or more bit interpretations in described second message not to be indicated for repeating level measurement report request, make an explanation according to these bits meaning originally, be namely interpreted as CSI request bit or coded modulation bit or power control bit or its part.

According to another embodiment of the present invention, the first determining unit 603 is by detecting that the resource location of the second message determines whether one or more bit interpretations in described second message as repeating the instruction of level measurement report request.Such as when described second message being detected in first group of resource, determine one or more bit interpretations in described second message for repeating the instruction of level measurement report request; And when described second message being detected in second group of resource, determine one or more bit interpretations in described second message not to be indicated for repeating level measurement report request.According to embodiments of the invention, these two groups of resources can be the non-overlapping copies T/F and/or code source that are predefined

According to embodiments of the invention, first determining unit 603 is determined one or more bit interpretations in described second message for repeating the instruction of level measurement report request, and when this reception is designated as and triggers levels of repetition measurement report, second determining unit 604, determine to carry levels of repetition measurement report in the 3rd message being sent to described network node, otherwise, determine in the 3rd message, not carry levels of repetition measurement report.

According to one embodiment of present invention, second transmitting element 605 is arranged at least in part based on whether carrying other guide in the determination result of levels of repetition measurement report and described second message in the 3rd message being sent to described network node, generates and sends the 3rd message to described network node.Otherwise, generate and do not carry the 3rd message described in described levels of repetition measurement report.According to one embodiment of present invention, this levels of repetition measurement report can be any indication information that base station can be helped to determine number of repetition/grade that the 4th message and/or other transmission thereafter use, such as, its instruction 1 can listed in about the description of Fig. 5)-6) in one.According to embodiments of the invention, the second transmitting element is also according to other message in the second message, and such as modulating-coding form etc. generate the 3rd message.

According to some embodiments of the present invention, the second receiving element 606, is arranged to and receives the 4th message by the number of repetition of blind Detecting the 4th message.According to another embodiment, first the second receiving element 606 detects permits the DL of the 4th message, and receives the 4th message according to schedule information wherein.

According to another embodiment of the invention, UE may further include the 3rd receiving element 607, be arranged to after described 4th message of reception, receive another message from described network node, and by another message described, one or more retains the bit interpretations doing other instructions and makes the described equipment of request and send or upgrade the instruction of described levels of repetition measurement report, wherein said one or more retain the bits doing other instructions comprise following at least one item:

For the bit of channel quality instruction;

For the bit of Resourse Distribute;

For the bit that power controls;

Filling bit;

According to by an embodiment of inventing, this another message is the up link grant message with DCI format 0.

According to embodiments of the invention, in the operation about the UE described by Fig. 6 and its part, involved the first message, the second message, the 3rd message and the 4th message are respectively random access guiding in random access procedure, accidental access response RAR, MSG3 and MSG4, and described first receiving element 602 is arranged to and in the second message, detects the instruction of levels of repetition measurement report request by the CSI request bit detected in RAR in UL license.

In sum, embodiments of the invention are provided for the transmission controlling levels of repetition measurement report, thus realize the method for coverage enhancement and corresponding base station and equipment.Compare with the method always sending levels of repetition measurement report with the method never sending levels of repetition measurement report, embodiments of the invention provide larger flexibility ratio, Virtual network operator can be configured as the case may be, make it possible to the raising obtaining resource efficiency when not increasing downlink signaling.As long as it should be noted that method and structure described above arranges that concept is suitable for, the present invention also covers method step described above and any of operation imagines combination, and node described above, device, module or any of unit imagine combination.

Generally speaking, if the corresponding functional block of method described above and network node or unit it be only adapted to be the function of this appropriate section described by execution, then can respectively by any known device, with hardware and/or implement software.The method step mentioned can realize or be realized by individual plants in discrete function block, or one or more method step in method step can realize or be realized by individual equipment in individual feature block.

Generally speaking, any method step is applicable to being implemented as software or not changing thought of the present invention by hardware implementation.As long as the function defined by method step is retained, such software can use the programming language of any known or in the future exploitation independent of software code, specify as such as Java, C++, C and assembler.Such hardware can be able to use any known or in the future hardware technology of exploitation or any mixing of these technology to implement independent of type of hardware, such as MOS (metal-oxide semiconductor (MOS)), CMOS (complementary MOS), BiMOS (bipolar MOS), BiCMOS (bipolar CMOS), ECL (emitter-coupled logic), TTL (transistor-transistor logic), ASIC (application-specific integrated circuit (integrated circuit)) parts, FPGA (field programmable gate array) parts, CPLD (CPLD) parts or DSP (digital signal processor) parts etc.Further, this function not getting rid of likely equipment/device or module is not hardware implementation but is implemented as the possibility of the software in (software) module (such as comprising computer program or the computer program of the executable software code part for performing on one or more processor or treatment system/running).And software comprises software code in the meaning of this specification, such as comprise code device or part or computer program or for the computer program that performs corresponding function and at tangible medium, the software that such as (have the respective data structures that stores thereon or code device/part) computer-readable (storage) medium embodies or the software (or computer program or computer program) that may embody in the signal or in the chips during its process.

Even if below describe the present invention and/or exemplary embodiment with reference to example with reference to the accompanying drawings, but be not limited thereto understanding them.In fact, it is clear to the skilled person that the present invention can be revised in many ways and do not depart from the scope of invention thought as disclosed herein.

Claims

1., for controlling a method for levels of repetition measurement report in a communications system, the method comprises:

Receive the first message from equipment;

At least in part based on the detection to described first message, determine whether in the second message, carry the instruction of levels of repetition measurement report request;

Described second message is sent as the response to described first message to described equipment;

Receive the 3rd message from described equipment;

At least in part based on whether carrying the instruction of levels of repetition measurement report request in described second message, detect described 3rd message;

At least in part based on the detection of described 3rd message, determine the transformat of the 4th message that will be sent to described equipment; And

Described 4th message is sent as the response to described 3rd message to described equipment according to the described transformat determined.

2. method according to claim 1, comprises further:

At least in part based on the detection to described first message, determine type and/or the channel quality of described equipment, and according to determined type and/or channel quality, determine whether in the second message, carry the instruction of levels of repetition measurement report request.

3. method according to claim 2, comprises further:

When determining that described equipment is when needing the channel quality of the communication equipment of coverage enhancement and/or described equipment lower than given threshold value, determine in described second message, carry the instruction of levels of repetition measurement report request; And

When determine described equipment be the channel quality of proper communication equipment and/or described equipment higher than given threshold value time, determine in described second message, do not carry the instruction of levels of repetition measurement report request.

4. method according to claim 1, comprises further:

When determining to carry the instruction of levels of repetition measurement report request in described second message, from first group of resource, choose the transmission of resource for described second message; Otherwise from second group of resource, choose the transmission of resource for above-mentioned second message; Wherein said first group of resource and described second group of resource are the predefined different T/F of difference and/or code sequence resources.

5. method according to claim 1, comprises further:

When carrying the instruction of levels of repetition measurement report request in described second message, and when described instruction is set to trigger described equipment transmission levels of repetition measurement report,

-from described 3rd message, detect described levels of repetition measurement report; And

-based on described levels of repetition measurement report, determine iterative transfer times and/or the levels of repetition of described 4th message;

Otherwise,

-from described 3rd message, do not detect described levels of repetition measurement report; And

-at least in part based on iterative transfer times and/or the levels of repetition of the measurement of described first message and/or the 3rd message being determined to described 4th message.

6. method according to claim 5, the described levels of repetition measurement report in wherein said 3rd message indicates at least one item in the following:

Success detects described second message minimum number of repetition used;

About the estimation of the number of repetition of described 4th message;

About the estimation of the levels of repetition of described 4th message;

About the estimation of the zoom factor of the number of repetition of the described 4th message number of repetition used relative to the transmission of described second message;

The instruction of the sub-grade selected from the levels of repetition that the transmission of described second message is used, its neutron grade corresponds to a number of repetition;

About the estimation of the difference of the number of repetition of described 4th message and the transmission of described second message number of repetition used.

7. method according to claim 1, wherein determines that the transformat of the 4th message that will be sent to described equipment comprises the iterative transfer times determining described 4th message.

8. method according to claim 7, also comprises other message and/or data of sending after the iterative transfer times of described 4th message determined also is applied to described 4th message.

9. method according to claim 1, comprises further:

After described 4th message of transmission, send another message, and by by another message described, one or more retains the bits doing other instructions and is used as the described equipment of request and sends or upgrade the instruction of described levels of repetition measurement report, wherein said one or more retain the bits doing other instructions comprise following at least one item:

For the bit of channel quality instruction request;

For the bit that power controls;

Filling bit.

10. method according to claim 9, another message wherein said is the up link grant message with DCI format 0.

11. methods according to claim arbitrary in claim 1-10, wherein,

When determining to carry the instruction of levels of repetition measurement report request in described second message, by by described second message one or more retain do other instruction bits be used as levels of repetition measurement report request instruction, wherein said one or more retain do other instruction bits comprise following at least one item:

Channel status instruction (CSI) request;

For the modulating-coding form of described 3rd message;

Power for described 3rd message controls.

12. methods according to claim arbitrary in claim 1-10, wherein said first message, the second message, the 3rd message and the 4th message are respectively random access guiding in random access procedure, accidental access response RAR, MSG3 and MSG4, and in the second message, carry the instruction of levels of repetition measurement report request be ask bit to realize by channel status instruction (CSI) of reusing in RAR in UL license.

13. 1 kinds for controlling the method for levels of repetition measurement report in the equipment of communication system, the method comprises:

The first message is sent to network node;

Receive the second message from described network node, and record the minimum iterative transfer times successfully detecting described second message described second message used;

At least in part based on the transmission form of described first message and/or the physical resource for detecting described second message, determine whether one or more bit interpretations in described second message as repeating the instruction of level measurement report request;

Determine based on described, determine whether to carry levels of repetition measurement report in the 3rd message being sent to described network node;

At least in part based on the determination result of whether carrying levels of repetition measurement report in the 3rd message being sent to described network node, generate and send the 3rd message to described network node; And

Receive the 4th message as the response to described 3rd message from described network node.

14. methods according to claim 13, wherein send the first message to network node and comprise:

Based on the type of described equipment and/or the measurement to the signal from described network node, determine the transmission form of described first message, generate described first message and send described first message to described network node.

15. methods according to claim 14, comprising:

When described equipment is when needing the measurement indicating channel quality of the communication equipment of coverage enhancement and/or described signal lower than given threshold value, determine one or more bit interpretations in described second message for repeating the instruction of level measurement report request; And

When described equipment be the measurement indicating channel quality of proper communication equipment and/or described signal higher than given threshold value time, determine not by one or more bit interpretations in described second message for repeating the instruction of level measurement report request.

16. methods according to claim 13, wherein:

When described second message being detected in first group of resource, determine one or more bit interpretations in described second message for repeating the instruction of level measurement report request; And

When described second message being detected in second group of resource, determine one or more bit interpretations in described second message not to be indicated for repeating level measurement report request,

Wherein said first group of resource and described second group of resource are the predefined different T/F of difference and/or code sequence resources.

17. methods according to claim 13, comprising:

When determining by one or more bit interpretations in described second message to be the report request instruction of repetition level measurement and described instruction is set to trigger described equipment transmission levels of repetition measurement report,

-in described 3rd message, carry described levels of repetition measurement report, and, the minimum iterative transfer times of at least part of described second message used based on described second message of recorded successful detection, generates described levels of repetition measurement report, and is included in described 3rd message;

Otherwise,

-generate and do not carry the 3rd message described in described levels of repetition measurement report.

18. methods according to claim 16, the described levels of repetition measurement report in wherein said 3rd message indicates at least one item in the following:

Success detects described second message minimum number of repetition used;

About the estimation of the number of repetition of described 4th message;

About the estimation of the levels of repetition of described 4th message;

19. methods according to claim 13, comprise further:

After described 4th message of reception, receive another message from described network node, and by another message described, one or more retains the bit interpretations doing other instructions and makes the described equipment of request and send or upgrade the instruction of described levels of repetition measurement report, wherein said one or more retain the bits doing other instructions comprise following at least one item:

For the bit of channel quality instruction request;

For the bit of Resourse Distribute;

For the bit that power controls;

Filling bit.

20. methods according to claim 19, another message wherein said is the up link grant message with DCI format 0.

21. methods according to claim arbitrary in claim 13-20, wherein,

When determining one or more bit interpretations in described second message to indicate for repeating level measurement report request, by in described second message one or more retain do other instructions bit interpretations for repeating the instruction of level measurement report request, wherein said one or more retain the bits doing other instructions comprise instruction following in the bit of at least one:

Channel status instruction (CSI) request;

For the modulating-coding form of described 3rd message;

Power for described 3rd message controls.

22. methods according to claim arbitrary in claim 13-20, wherein said first message, the second message, the 3rd message and the 4th message are respectively random access guiding, accidental access response, MSG3 and MSG4 in random access procedure, and the levels of repetition measurement report request of carrying in the second message instruction is realized by the CSI request bit of reusing in RAR in UL license.

23. 1 kinds, for controlling the base station of levels of repetition measurement report in a communications system, comprising:

First receiving element, is arranged to the first message received from equipment;

First determining unit, is arranged at least in part based on the detection to described first message, determines whether in the second message, carry the instruction of levels of repetition measurement report request;

First transmitting element, is arranged to and sends described second message as the response to described first message to described equipment;

Second receiving element, is arranged to the 3rd message received from described equipment; And at least in part based on whether carrying the instruction of levels of repetition measurement report request in described second message, detect described 3rd message;

Second determining unit, is arranged at least in part based on the detection of above-mentioned 3rd message, determines the transformat of the 4th message that will be sent to described equipment;

Second transmitting element, is arranged to and sends described 4th message as the response to described 3rd message according to determined described transformat to described equipment.

24. base stations according to claim 23, wherein said first determining unit is also arranged to:

25. base stations according to claim 24, wherein said first determining unit is also arranged to:

26. base stations according to claim 23, wherein the first transmitting element is used for by breeding further:

When determining to carry the instruction of levels of repetition measurement report request in described second message, from first group of resource, choose the transmission of resource for described second message; Otherwise from second group of resource, choose the transmission of resource for above-mentioned second message; Wherein wherein said first group of resource and described second group of resource are the predefined different T/F of difference and/or code sequence resources.

27. base stations according to claim 23, comprise further:

-described second receiving element is arranged to and detects described levels of repetition measurement report from described 3rd message; And

-the second determining unit is arranged to based on described levels of repetition measurement report, determines iterative transfer times and/or the levels of repetition of described 4th message;

Otherwise,

-described second receiving element is arranged to and from described 3rd message, does not detect described levels of repetition measurement report; And

-the second determining unit is arranged at least in part based on iterative transfer times and/or the levels of repetition of the measurement of described first message and/or the 3rd message being determined to described 4th message.

28. base stations according to claim 27, the described levels of repetition measurement report in wherein said 3rd message indicates at least one item in the following:

Success detects described second message minimum number of repetition used;

About the estimation of the number of repetition of described 4th message;

About the estimation of the levels of repetition of described 4th message;

29. base stations according to claim 23, wherein determine that the transformat of the 4th message that will be sent to described equipment comprises the iterative transfer times determining described 4th message.

30. base stations according to claim 29, the iterative transfer times of other message that wherein said second determining unit sends after being also arranged to and the iterative transfer times of described 4th message determined also being defined as being applied to described 4th message and/or data.

31. base stations according to claim 23, comprise further:

3rd transmitting element, be arranged to after described 4th message of transmission, send another message, and by by another message described, one or more retains the bits doing other instructions and is used as the described equipment of request and sends or upgrade the instruction of described levels of repetition measurement report, wherein said one or more retain the bits doing other instructions comprise following at least one item:

For the bit of channel quality instruction;

For the bit that power controls;

Filling bit.

32. base stations according to claim 21, another message wherein said is the up link grant message with DCI format 0.

33. base stations according to claim arbitrary in claim 23-32, wherein,

When determining to carry the instruction of levels of repetition measurement report request in described second message, by in described second message one or more retain do other instruction bits be used as levels of repetition measurement report request instruction, wherein said one or more retain do other instruction bits comprise instruction following in the bit of at least one:

Channel status instruction (CSI) request;

For the modulating-coding form of described 3rd message;

Power for described 3rd message controls.

34. base stations according to claim arbitrary in claim 23-32, wherein said first message, the second message, the 3rd message and the 4th message are respectively random access guiding in random access procedure, accidental access response RAR, MSG3 and MSG4, and described first transmitting element is arranged to and in the second message, carries the instruction of levels of repetition measurement report request by the CSI request bit of reusing in RAR in UL license.

35. 1 kinds, for controlling the equipment of levels of repetition measurement report in the equipment of communication system, comprising:

First transmitting element, is arranged to and sends the first message to network node;

First receiving element, is arranged to the second message received from described network node, and records the minimum iterative transfer times successfully detecting described second message described second message used;

First determining unit, be arranged at least in part based on described first message transmission form and/or the physical resource of described second message detected, determine whether one or more bit interpretations in described second message as repeating the instruction of level measurement report request;

Second determining unit, is arranged to the determination result based on described first determining unit, determines whether to carry levels of repetition measurement report in the 3rd message being sent to described network node;

Second transmitting element, being arranged at least in part based on whether carrying other guide in the determination result of levels of repetition measurement report and described second message in the 3rd message being sent to described network node, generating and sending the 3rd message to described network node;

Second receiving element, is arranged to the 4th message as the response to described 3rd message received from described network node.

36. equipment according to claim 35, wherein said first transmitting element is also arranged to:

37. equipment according to claim 35, wherein the first determining unit is also arranged to:

38. equipment according to claim 35, wherein the first determining unit is also arranged to

When described second message being detected in second group of resource, determine one or more bit interpretations in described second message not to be indicated for repeating level measurement report request;

39. equipment according to claim 35, wherein the second transmitting element is also arranged to:

Otherwise,

40. according to equipment according to claim 39, and the described levels of repetition measurement report in wherein said 3rd message indicates at least one item in the following:

Success detects described second message minimum number of repetition used;

About the estimation of the number of repetition of described 4th message;

About the estimation of the levels of repetition of described 4th message;

41. equipment according to claim 35, comprise further:

3rd receiving element, be arranged to after described 4th message of reception, receive another message from described network node, and by another message described, one or more retains the bit interpretations doing other instructions and makes the described equipment of request and send or upgrade the instruction of described levels of repetition measurement report, wherein said one or more retain the bits doing other instructions comprise following at least one item:

For the bit of channel quality instruction;

For the bit of Resourse Distribute;

For the bit that power controls;

Filling bit.

42. equipment according to claim 41, another message wherein said is the up link grant message with DCI format 0.

43. equipment according to claim arbitrary in claim 35-41, wherein said first determining unit is arranged to further,

Channel status instruction (CSI) request;

For the modulating-coding form of described 3rd message;

Power for described 3rd message controls.

44. equipment according to claim arbitrary in claim 35-41, wherein said first message, the second message, the 3rd message and the 4th message are respectively random access guiding, accidental access response, MSG3 and MSG4 in random access procedure, and when described first determining unit determines one or more bit interpretations in described second message to indicate for repeating level measurement report request, by the CSI request bit interpretations in UL license in RAR for repeating level measurement report request.