CN109121181A

CN109121181A - Acquisition methods, user equipment and the base station of system message

Info

Publication number: CN109121181A
Application number: CN201810616058.7A
Authority: CN
Inventors: 成艳; 薛丽霞
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2013-01-25
Filing date: 2013-01-25
Publication date: 2019-01-01
Anticipated expiration: 2033-01-25
Also published as: CN104247558B; CN109121181B; WO2014113972A1; CN104247558A

Abstract

The present invention provides the acquisition methods, user equipment and base station of a kind of system message.This method includes user equipment detection down control channel, and bearing downlink controls information DCI on the down control channel, includes first information domain in the corresponding DCI format of the down control channel, the first information domain is used to indicate system message；The user equipment obtains system message according to the DCI carried on the down control channel detected.The acquisition performance of system message can be improved in the embodiment of the present invention.

Description

Acquisition methods, user equipment and the base station of system message

Technical field

The present invention relates to the communication technology more particularly to a kind of acquisition methods of system message, user equipment and base station.

Background technique

In long term evolution (Long Term Evolution, LTE) system, a radio frames include 10 subframes, every height Frame includes two time slots, and in normal cyclic prefix, one time slot includes 7 orthogonal frequency division multiplexing (Orthogonal Frequency Division Multiple, OFDM) symbol, in extended cyclic prefix, one time slot includes 6 OFDM symbols Number.Base station (evolved NodeB, eNB) is with Physical Resource Block to (Physical Resource Block pair, PRB Pair it) is scheduled for unit, a PRB pair accounts for a subframe in time, and 12 OFDM subcarriers are accounted in frequency.

In LTE version 8~11, system message is from Physical Broadcast Channel (Physical Broadcasting Channel, PBCH) on obtain, PBCH can rely on public reference signal (Common Reference Signal, CRS) and do Transmitting diversity.But in LTE version 12 and later version, new carrier type (New Carrier Type, NCT) can be introduced, The NCT can be non-backward compatible carrier waves, can carrying single antenna mouth CRS, and single antenna mouth CRS can be only carried on On fractional bandwidth, relative to the CRS on backward compatibility carrier wave, the transmission performance of PBCH will affect.It thus needs to solve on NCT How system message is obtained.

Summary of the invention

In view of this, the embodiment of the invention provides a kind of acquisition methods of system message, user equipment and base station, to Realize the acquisition of system message on NCT.

In a first aspect, providing a kind of acquisition methods of system message, comprising:

User equipment detects down control channel, and bearing downlink controls information DCI on the down control channel, under described It include first information domain in the corresponding DCI format of row control channel, the first information domain is used to indicate system message；

The user equipment obtains system message according to the DCI carried on the down control channel detected.

With reference to first aspect, in the first possible implementation of the first aspect, the down control channel is to increase Strong Physical Downlink Control Channel EPDCCH.

With reference to first aspect or the first possible implementation of first aspect, second in first aspect are possible In implementation, the detection down control channel, comprising:

Down control channel is detected on first resource, the first resource is the first Physical Resource Block in the first subframe Set；

First subframe is the next subframe for the subframe for carrying synchronization signal and/or finding signal, first physics The frequency domain of the physical resource set of blocks of the frequency domain initial position of resource set of blocks and carrying synchronization signal and/or discovery signal originates Position is identical.

With reference to first aspect or the first possible implementation of first aspect, the third in first aspect are possible In implementation, the detection down control channel, comprising:

First subframe is the next subframe for the subframe for carrying synchronization signal and/or finding signal, first physics The frequency domain of the physical resource set of blocks of the frequency domain initial position of resource set of blocks and carrying synchronization signal and/or discovery signal originates There are scheduled offsets for position.

Second with reference to first aspect or the third possible implementation, in the 4th kind of possible reality of first aspect In existing mode, the frequency domain initial position of the first physical resource set of blocks refers to physical resource in the first physical resource set of blocks The physical resource block number of the smallest Physical Resource Block of block number, the carrying synchronization signal and/or the physics money for finding signal The frequency domain initial position of source block set refers to physical resource in the physical resource set of blocks of carrying synchronization signal and/or discovery signal The physical resource block number of the smallest Physical Resource Block of block number.

With reference to first aspect or the first possible implementation of first aspect, the 5th kind in first aspect are possible In implementation, the detection down control channel, comprising:

First subframe is the subframe for carrying synchronization signal and/or finding signal, the first physical resource set of blocks Frequency domain position and carrying synchronization signal and/or find signal physical resource set of blocks frequency domain position it is not be overlapped.

The 5th kind of possible implementation with reference to first aspect, in the 6th kind of possible implementation of first aspect In, the first physical resource set of blocks includes the first muon physics resource set of blocks and the second muon physics resource set of blocks, described First muon physics resource set of blocks and the second muon physics resource set of blocks are located at carrying synchronization signal and/or find signal The two sides of physical resource set of blocks.

The 6th kind of possible implementation with reference to first aspect, in the 7th kind of possible implementation of first aspect In, Physical Resource Block number and the second muon physics resource set of blocks that the first muon physics resource set of blocks includes include Physical Resource Block number it is identical；Alternatively,

The corresponding down control channel blind Detecting number of first muon physics resource set of blocks and second muon physics The corresponding down control channel blind Detecting number of resource set of blocks is identical.

To the 7th kind of any possible implementation, the 8th kind in first aspect can for second with reference to first aspect It is described that down control channel is detected on first resource in the implementation of energy, comprising:

User equipment determines the position of the search space of down control channel according to cell ID, according to described search space Position the down control channel is detected on first resource；Alternatively,

The first resource includes multiple child resources, and user equipment determines what down control channel occupied according to cell ID Child resource detects the down control channel on the child resource that the down control channel occupies；Alternatively,

The first resource includes multiple child resources, and the down control channel occupies one in the multiple child resource A, the user equipment detects the down control channel by blind Detecting on the multiple child resource.

With reference to first aspect or first aspect the first to the 8th kind of any possible implementation, in first aspect The 9th kind of possible implementation in, the DCI that carries on the down control channel that the basis detects is obtained System message, comprising:

System message is obtained according to the value in the first information domain；Alternatively,

Also include the second information field in the DCI format, the first system message obtained according to the value in the first information domain, Physical Downlink Shared Channel PDSCH is received according to the value of second information field, and obtains second system from the PDSCH and disappears Breath, second information field are used to indicate the transmission of PDSCH, the second system message are carried in the PDSCH.

With reference to first aspect or first aspect the first to the 9th kind of any possible implementation, in first aspect The tenth kind of possible implementation in, the first information domain includes one or more in following item:

The domain of indicating downlink system bandwidth, the domain for indicating System Frame Number, the domain of the corresponding carrier type of indication carrier wave, instruction The domain of the public search space position of enhancing.

Second aspect provides a kind of acquisition methods of system message, comprising:

Base station determines the Downlink Control Information DCI of down control channel carrying, the corresponding DCI lattice of the down control channel It include first information domain in formula, the first information domain is used to indicate system message；

The base station sends the down control channel to user equipment, so that the user equipment is according to the downlink control The DCI carried on channel processed obtains system message.

In conjunction with second aspect, in the first possible implementation of the second aspect, the down control channel is to increase Strong Physical Downlink Control Channel EPDCCH.

In conjunction with the possible implementation of the first of second aspect or second aspect, second in second aspect is possible It is described to send the down control channel in implementation, comprising:

The down control channel is sent on first resource, the first resource is the first physics money in the first subframe Source block set；

In conjunction with the possible implementation of the first of second aspect or second aspect, the third in second aspect is possible It is described to send the down control channel in implementation, comprising:

In conjunction with second of second aspect or the third possible implementation, in the 4th kind of possible reality of second aspect In existing mode, the frequency domain initial position of the first physical resource set of blocks refers to physical resource in the first physical resource set of blocks The physical resource block number of the smallest Physical Resource Block of block number, the carrying synchronization signal and/or the physics money for finding signal The frequency domain initial position of source block set refers to physical resource in the physical resource set of blocks of carrying synchronization signal and/or discovery signal The physical resource block number of the smallest Physical Resource Block of block number.

In conjunction with the possible implementation of the first of second aspect or second aspect, the 5th kind in second aspect is possible It is described to send the down control channel in implementation, comprising:

In conjunction with the 5th kind of possible implementation of second aspect, in the 6th kind of possible implementation of second aspect In, the first physical resource set of blocks includes the first muon physics resource set of blocks and the second muon physics resource set of blocks, described First muon physics resource set of blocks and the second muon physics resource set of blocks are located at carrying synchronization signal and/or find signal The two sides of physical resource set of blocks.

In conjunction with the 6th kind of possible implementation of second aspect, in the 7th kind of possible implementation of second aspect In, Physical Resource Block number and the second muon physics resource set of blocks that the first muon physics resource set of blocks includes include Physical Resource Block number it is identical；Alternatively,

In conjunction with second to the 7th kind any possible implementation of second aspect, the 8th kind in second aspect can It is described that the down control channel is sent on first resource in the implementation of energy, comprising:

The position that the search space of the down control channel is determined according to cell ID, according to the position in described search space It sets and sends the down control channel；Alternatively,

The child resource that the down control channel occupies on first resource is determined according to cell ID, in the occupancy The down control channel is sent on child resource；Alternatively,

The down control channel is sent on any one child resource in the first resource.

In conjunction with the first of second aspect or second aspect to the 8th kind of any possible implementation, in second aspect The 9th kind of possible implementation in, the base station determine down control channel carrying Downlink Control Information DCI, comprising:

The value in the first information domain is determined according to system message；Alternatively,

The value that the first information domain is determined according to the first system message, according to the tune of Physical Downlink Shared Channel PDSCH Degree information determines the value of second information field, so that the user equipment is according to the reception of the value of second information field PDSCH, and second system message is obtained from the PDSCH.

In conjunction with the first of second aspect or second aspect to the 9th kind of any possible implementation, in second aspect The tenth kind of possible implementation in, the first information domain includes one or more in following item:

The third aspect provides a kind of user equipment, comprising:

Detection module, for detecting down control channel, bearing downlink controls information DCI on the down control channel, It include first information domain in the corresponding DCI format of the down control channel, the first information domain is used to indicate system message；

Obtain module, the DCI carried on the down control channel for detecting according to the detection module Obtain system message.

In conjunction with the third aspect, in the first possible implementation of the third aspect, the detection module detects to obtain The down control channel be enhancing Physical Downlink Control Channel EPDCCH.

In conjunction with the possible implementation of the first of the third aspect or the third aspect, second in the third aspect is possible In implementation, the detection module is specifically used for:

In conjunction with the possible implementation of the first of the third aspect or the third aspect, the third in the third aspect is possible In implementation, the detection module is specifically used for:

In conjunction with second of the third aspect or the third possible implementation, in the 4th kind of possible reality of the third aspect In existing mode, the frequency domain initial position of the first physical resource set of blocks of the first resource of the detection module detection Refer to the physical resource block number of the smallest Physical Resource Block of physical resource block number in the first physical resource set of blocks, it is described to hold It carries synchronization signal and/or finds that the frequency domain initial position of the physical resource set of blocks of signal refers to carrying synchronization signal and/or hair The physical resource block number of the smallest Physical Resource Block of physical resource block number in the physical resource set of blocks of existing signal.

In conjunction with the possible implementation of the first of the third aspect or the third aspect, the 5th kind in the third aspect is possible In implementation, the detection module is specifically used for:

In conjunction with the 5th kind of possible implementation of the third aspect, in the 6th kind of possible implementation of the third aspect In, the first physical resource set of blocks of the first resource of the detection module detection includes the first muon physics resource block Set and the second muon physics resource set of blocks, the first muon physics resource set of blocks and the second muon physics resource set of blocks Positioned at carrying synchronization signal and/or the two sides for the physical resource set of blocks for finding signal.

In conjunction with the 6th kind of possible implementation of the third aspect, in the 7th kind of possible implementation of the third aspect In, first muon physics that the first physical resource set of blocks of the first resource of detection module detection includes The Physical Resource Block number that the Physical Resource Block number and the second muon physics resource set of blocks that resource set of blocks includes include It is identical；Alternatively, the corresponding down control channel blind Detecting number of the first muon physics resource set of blocks and the described second sub- object It is identical to manage the corresponding down control channel blind Detecting number of resource set of blocks.

In conjunction with second to the 7th kind any possible implementation of the third aspect, the 8th kind in the third aspect can In the implementation of energy, the detection module is specifically used for:

The position that the search space of down control channel is determined according to cell ID exists according to the position in described search space The down control channel is detected on first resource；Alternatively,

The child resource that down control channel occupies is determined according to cell ID, in the son money that the down control channel occupies The down control channel is detected on source, wherein the first resource includes multiple child resources；Alternatively,

The down control channel is detected on the multiple child resource by blind Detecting, wherein the first resource packet Multiple child resources are included, the down control channel occupies one in the multiple child resource.

In conjunction with the first of the third aspect or the third aspect to the 8th kind of any possible implementation, in the third aspect The 9th kind of possible implementation in, the acquisition module is specifically used for:

The first system message is obtained according to the value in the first information domain, physical down is received according to the value of the second information field Shared channel PDSCH, and second system message is obtained from the PDSCH, wherein also comprising the second letter in the DCI format Domain is ceased, second information field is used to indicate the transmission of PDSCH, the second system message is carried in the PDSCH.

In conjunction with the first of the third aspect or the third aspect to the 9th kind of any possible implementation, in the third aspect The tenth kind of possible implementation in, it is described obtain module according to first information domain include in following item one Item is multinomial:

Fourth aspect provides a kind of base station, comprising:

Determining module, for determining the Downlink Control Information DCI of down control channel carrying, the down control channel pair It include first information domain in the DCI format answered, the first information domain is used to indicate system message；

Sending module, for sending the down control channel to user equipment, so that the user equipment is according to The DCI carried on the down control channel that determining module determines obtains system message.

In conjunction with fourth aspect, in the first possible implementation of the fourth aspect, the institute that the sending module is sent State the Physical Downlink Control Channel EPDCCH that down control channel is enhancing.

In conjunction with the possible implementation of the first of fourth aspect or fourth aspect, second in fourth aspect is possible In implementation, the sending module is specifically used for:

In conjunction with the possible implementation of the first of fourth aspect or fourth aspect, the third in fourth aspect is possible In implementation, the sending module is specifically used for:

In conjunction with second of fourth aspect or the third possible implementation, in the 4th kind of possible reality of fourth aspect In existing mode, first physics money of the first resource where the down control channel that the sending module is sent The frequency domain initial position of source block set refers to the smallest Physical Resource Block of physical resource block number in the first physical resource set of blocks Physical resource block number, it is described carrying synchronization signal and/or find signal physical resource set of blocks frequency domain initial position Refer to the smallest Physical Resource Block of physical resource block number in the physical resource set of blocks of carrying synchronization signal and/or discovery signal Physical resource block number.

In conjunction with the possible implementation of the first of fourth aspect or fourth aspect, the 5th kind in fourth aspect is possible In implementation, the sending module is specifically used for:

In conjunction with the 5th kind of possible implementation of fourth aspect, in the 6th kind of possible implementation of fourth aspect In, the first Physical Resource Block collection of the first resource where the down control channel that the sending module is sent Close includes the first muon physics resource set of blocks and the second muon physics resource set of blocks, the first muon physics resource set of blocks and institute State the two sides that the second muon physics resource set of blocks is located at carrying synchronization signal and/or finds the physical resource set of blocks of signal.

In conjunction with the 6th kind of possible implementation of fourth aspect, in the 7th kind of possible implementation of fourth aspect In, the first Physical Resource Block collection of the first resource where the down control channel that the sending module is sent The Physical Resource Block number that conjunction includes is identical as the Physical Resource Block number that the second muon physics resource set of blocks includes；Or Person, the corresponding down control channel blind Detecting number of the first muon physics resource set of blocks and the second muon physics resource block It is identical to gather corresponding down control channel blind Detecting number.

In second to the 7th kind any possible implementation in conjunction with fourth aspect, at the 8th kind of fourth aspect In possible implementation, the sending module is specifically used for:

In conjunction with the first of fourth aspect or fourth aspect into the 8th kind of any possible implementation, in four directions In the 9th kind of possible implementation in face, the determining module is specifically used for:

In conjunction with the first of fourth aspect or fourth aspect into the 9th kind of any possible implementation, in four directions In the tenth kind of possible implementation in face, in the corresponding DCI format of the down control channel that the sending module is sent The first information domain for including includes one or more in following item:

Through the above technical solutions, the embodiment of the present invention passes through according to the Downlink Control Information carried on down control channel Middle acquisition system message, rather than system message is obtained on PBCH, to being when can be affected to avoid PBCH transmission performance The transmission for message of uniting influences, and realizes and system message is transmitted and obtained on NCT.

Detailed description of the invention

To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, for this For the those of ordinary skill of field, without any creative labor, it can also be obtained according to these attached drawings other Attached drawing.

Fig. 1 is a kind of flow diagram of the acquisition methods of system message provided in an embodiment of the present invention；

Fig. 2 is the flow diagram of the acquisition methods of another system message provided in an embodiment of the present invention；

Fig. 3 is that the frequency domain position of the first physical resource set of blocks and the physics of carrying synchronization signal provide in the embodiment of the present invention A kind of relation schematic diagram of the frequency domain position of source block set；

Fig. 4 is that the frequency domain position of the first physical resource set of blocks and the physics of carrying synchronization signal provide in the embodiment of the present invention Another relation schematic diagram of the frequency domain position of source block set；

Fig. 5 is that the frequency domain position of the first physical resource set of blocks and the physics of carrying synchronization signal provide in the embodiment of the present invention Another relation schematic diagram of the frequency domain position of source block set；

Fig. 6 is the flow diagram of the acquisition methods of another system message provided in an embodiment of the present invention；

Fig. 7 is a kind of structural schematic diagram of user equipment provided in an embodiment of the present invention；

Fig. 8 is a kind of structural schematic diagram of base station provided in an embodiment of the present invention.

Specific embodiment

In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.

Fig. 1 is a kind of flow diagram of the acquisition methods of system message provided in an embodiment of the present invention, comprising:

11: user equipment detects down control channel, and bearing downlink controls information on the down control channel (Downlink Control Information, DCI) includes the first letter in the corresponding DCI format of the down control channel Domain is ceased, the first information domain is used to indicate system message；

Wherein, a kind of corresponding determining DCI format of the DCI carried on down control channel, i.e., determine according to the DCI format The DCI carried on down control channel, the DCI format are properly termed as the corresponding DCI format of the down control channel.

Optionally, which can be one or more, for example, first information domain includes one in following item It is or multinomial: the domain of indicating downlink system bandwidth, the domain for indicating System Frame Number, the domain of the corresponding carrier type of indication carrier wave, instruction The domain of the public search space position of enhancing.Correspondingly, the system message of first information domain instruction is respectively as follows: downlink system band The corresponding carrier type of width, System Frame Number, carrier wave, enhancing public search space position.

Optionally, the down control channel is Physical Downlink Control Channel (the Enhanced Physical of enhancing Downlink Control Channel, EPDCCH).

Optionally, the detection down control channel, comprising:

Optionally, the frequency domain initial position of the first physical resource set of blocks refers to object in the first physical resource set of blocks The physical resource block number of the smallest Physical Resource Block of resource block number is managed, it is described to carry synchronization signal and/or find signal The frequency domain initial position of physical resource set of blocks refers to object in the physical resource set of blocks of carrying synchronization signal and/or discovery signal Manage the physical resource block number of the smallest Physical Resource Block of resource block number.

Optionally, the detection down control channel, comprising:

Optionally, the first physical resource set of blocks includes the first muon physics resource set of blocks and the second muon physics resource Set of blocks, the first muon physics resource set of blocks and the second muon physics resource set of blocks be located at carrying synchronization signal and/ Or the two sides of the physical resource set of blocks of discovery signal.

Optionally, the Physical Resource Block number and second muon physics that the first muon physics resource set of blocks includes provide The Physical Resource Block number that source block set includes is identical；Alternatively,

The corresponding down control channel blind Detecting number of first muon physics resource set of blocks and second muon physics The corresponding down control channel blind Detecting number of resource set of blocks is identical.Optionally, described that downlink control is detected on first resource Channel processed, comprising:

Optionally, the first information domain includes one or more in following item:

12: the user equipment obtains system according to the DCI carried on the down control channel detected and disappears Breath.

Optionally, the DCI carried on the down control channel that the basis detects obtains system message, packet It includes:

Also include the second information field in the DCI format, the first system message obtained according to the value in the first information domain, According to the value of second information field receive Physical Downlink Shared Channel (Physical Downlink Shared Channel, PDSCH second system message), and from the PDSCH is obtained, second information field is used to indicate the transmission of PDSCH, described The second system message is carried in PDSCH.Correspondingly, referring to fig. 2, the process of base station side includes:

21: base station determines the DCI of down control channel carrying, includes in the corresponding DCI format of the down control channel First information domain, the first information domain are used to indicate system message；

Optionally, the down control channel is EPDCCH.

Optionally, the base station determines the DCI of down control channel carrying, comprising:

The value that the first information domain is determined according to the first system message determines described according to the scheduling information of PDSCH The value of two information fields, so that the user equipment receives the PDSCH according to the value of second information field, and from described Second system message is obtained in PDSCH.

22: the base station sends the down control channel to user equipment, so that the user equipment is according under described The DCI carried in row control channel obtains system message.

It is optionally, described to send the down control channel, comprising:

It is optionally, described that the down control channel is sent on first resource, comprising:

The down control channel is sent on any one child resource in the first resource.In the embodiment of the present invention, Down control channel can be EPDCCH.Since EPDCCH is based on demodulated reference signal (Demodulation Reference Signal, DMRS) demodulation, when the DCI transmitted according to EPDCCH obtains system message, with respect to dependence single antenna mouth The PBCH of CRS transmission obtains system message, and the transmission performance of system message can be improved；In addition, since PBCH is needed specific Subframe reserves fixed symbol, by EPDCCH Transmission system message, does not need the reserved fixation of transmission for the system message Symbol can optimize the design of DMRS so that DM-RS transmission has more selectable symbols, improve system performance.

Optionally, down control channel can be transmitted by first resource, and first resource is the first object in the first subframe Manage resource set of blocks.

Optionally, the first subframe can be carrying synchronization signal and/or find signal (Discovery Signal, DS) The frequency domain initial position of next subframe of subframe, the first physical resource set of blocks can believe with carrying synchronization signal and/or discovery Number physical resource set of blocks frequency domain initial position it is identical or exist offset.

Optionally, the frequency domain initial position of the first physical resource set of blocks refers to object in the first physical resource set of blocks The physical resource block number of the smallest Physical Resource Block of resource block number is managed, it is described to carry synchronization signal and/or find signal The frequency domain initial position of physical resource set of blocks refers to object in the physical resource set of blocks of carrying synchronization signal and/or discovery signal Manage the physical resource block number of the smallest Physical Resource Block of resource block number.Wherein, physical resource block number can be according to object Manage what position of the resource block on frequency domain was successively numbered.

Synchronization signal may include primary synchronization signal (Primary Synchronization Signal, PSS) and auxiliary same It walks signal (Secondary Synchronization Signal, SSS).In the prior art, the sending cycle of PSS and SSS is 5 A subframe, frequency domain position are located in the frequency domain width of 6 PRB pair of carrier center, and two symbols are occupied in time domain.

For example, with reference to Fig. 3, the frequency domain initial position of the first physical resource set of blocks and the physical resource of carrying synchronization signal The frequency domain initial position of set of blocks is identical, referring to fig. 4, the frequency domain initial position of the first physical resource set of blocks letter synchronous with carrying Number physical resource set of blocks frequency domain initial position exist offset.Wherein, offset can be pre-configured with, in addition, the first object The frequency domain width of reason resource set of blocks can also be pre-configured with, with the frequency domain width of the first physical resource set of blocks and carrying in figure For the frequency domain of the physical resource set of blocks of synchronization signal is of same size, certainly, the two width be can also be different.

Optionally, the first subframe can be carrying synchronization signal and/or find the subframe of signal, the first Physical Resource Block collection The frequency domain position of conjunction can there are Chong Die with the frequency domain position of carrying synchronization signal and/or the physical resource set of blocks for finding signal Or it is not overlapped completely.

It when not being overlapped completely, can be, the first Physical Resource Block, which is integrated on frequency domain, is entirely located in carrying synchronization signal The upside or downside of the physical resource set of blocks of discovery signal and/or.Alternatively, as shown in figure 5, the first physical resource set of blocks packet Include the first muon physics resource set of blocks and the second muon physics resource set of blocks, the first muon physics resource set of blocks and the second muon physics Resource block is integrated into the two sides that the physical resource set of blocks of carrying synchronization signal and/or discovery signal is located on frequency domain.The One muon physics resource set of blocks and the second muon physics resource set of blocks are located at carrying synchronization signal and/or find the object of signal The two sides of reason resource set of blocks enable to the EPDCCH transmitted on first resource to obtain frequency diversity gain, to improve and be The transmission performance for message of uniting.

Optionally, the Physical Resource Block number and the second muon physics resource set of blocks that the first muon physics resource set of blocks includes The Physical Resource Block number for including is identical；Alternatively,

In addition, it is above-mentioned be not overlapped completely when, the frequency domain position of the first physical resource set of blocks can letter synchronous with carrying Number and/or discovery signal physical resource set of blocks frequency domain position it is adjacent or there is offset, which can be pre-configured with, Fig. 5 is for adjacent.

In above-mentioned presence overlapping, the Physical Downlink Control Channel can only take up for carry synchronization signal and/or It was found that the resource unit for not being used for transmission synchronization signal in the physical resource set of blocks of signal, finding signal and pilot signal (Resource Element, RE).

Optionally, the first physical resource set of blocks under above-mentioned each scene can be centralized (localized), can also To be distributed (distributed) formula.Centralization refer to the Physical Resource Block in the first physical resource set of blocks to for connect Continuous Physical Resource Block pair.Distribution refers to the Physical Resource Block in the first physical resource set of blocks at least there are two physics to provide It is discontinuous between source block pair.When for distribution, in the first physical resource set of blocks between two neighboring Physical Resource Block pair Frequency domain interval can be identical, and be fixed value, for example, the interval is to be fixed as 1 Physical Resource Block pair or 2 physical resources Block pair.

In the present embodiment, since first resource and the resource of carrying synchronization signal and/or discovery signal exist in position Fixed relationship, when user equipment first it is detected that after synchronization signal and/or discovery signal, can according to synchronization signal and/or It was found that the resource location of signal obtains the resource location of first resource, so as to avoid in multiple possible position blind examination first resources Position, save the power consumption of user equipment, and realize and be quickly obtained system message, thus reduce user equipment complete it is same The time of step.

After user equipment detects down control channel on first resource, it can be carried according in the down control channel DCI obtain system message.

It optionally, can only include first information domain or the DCI lattice in the corresponding DCI format of the down control channel It include first information domain and the second information field in formula, the second information field is used to indicate the transmission of PDSCH.It should be noted that DCI Only include first information domain in format, can refer in the DCI format that only having first information domain is used to indicate system message, at this time should It may include other information domain, such as the information field for distinguishing the DCI format Yu other DCI formats in DCI format.

Mode one: when only including first information domain in DCI format, first information domain be may include in following item at least One: the field of indicating downlink system bandwidth, indicate System Frame Number the corresponding carrier type of field, indication carrier wave domain, refer to Show the domain of the public search space position of enhancing.Instruction other Master Information Block (Master Information can also be included Block, MIB) domain.

Once, the first information domain of indicating system message can be carried on the corresponding DCI lattice of EPDCCH to which by base station In formula.When user equipment detects EPDCCH, system message can be obtained from DCI according to DCI format.

The corresponding DCI format of the down control channel of which once can be a completely new format, as remove format 0, a kind of 1, DCI format except 1A, 1B, 1C, 1D, 2,2A, 2B, 2C, 2D, 3,3A, 4, such as DCI format 2E.But it should The payload size of new DCI format is identical as the payload size of at least one existing DCI format, such as can be with The payload size of DCI format 2D is identical, or can be identical as the payload size of DCI format1A.

Mode two: when in DCI format including first information domain and the second information field, first information domain may include instruction The domain of downlink system bandwidth；Second information field may include the domain of instruction PDSCH transmission, carry SIB1 or increasing on the PDSCH Strong SIB1, the SIB1 of the enhancing include the field etc. of instruction System Frame Number.

Under which two, which can only indicate the part system message in MIB, such as can be only comprising referring to Show the domain of downlink system bandwidth.The corresponding DCI format of the EPDCCH can also be comprising the domain of instruction PDSCH transmission, that is, goes back Comprising the second information field, which can be used for carrying the SIB1 of enhancing, and the SIB1 of the enhancing includes instruction System Frame Number Domain.At this point, the resource allocation field in the DCI format can be indicated according to a specific system bandwidth, the DCI format The domain of middle instruction system bandwidth can be located at the fixation position (such as positioned at first domain of the DCI format) in the DCI format, User equipment can first read system bandwidth on the position of the fixation, then further according to the system bandwidth in the DCI format Resource allocation field explain.

Under which two, the corresponding DCI format of the down control channel can reuse existing DCI format, and it is existing to reuse this There is in DCI format existing field to indicate system bandwidth, which can be DCI1/1A/1B/1C/ One or more of 1D/2/2A/2B/2C/2D.Under which two, first passes through some domain inside DCI format and obtain carrier wave Then system bandwidth obtains other system messages further according to the content that carries in PDSCH, such as can once will be in system MIB and SIB1 are obtained, and enable a user to quickly be serviced.

In the embodiment of the present invention, user equipment can obtain system in domain according to the first information after obtaining first information domain Message, system message can be MIB, and for mode two, user equipment can also obtain the information of PDSCH carrying, to obtain Other systems message, other system messages may include part mib information and SIB1 information.

The present embodiment may be implemented to obtain in NCT by obtaining system message according to the DCI carried in down control channel Take system message.In addition, system message is obtained by the DCI of EPDCCH carrying when down control channel is EPDCCH, it can be with It realizes the acquisition for realizing system message based on DMRS, avoids relying on the Information Acquisition System message of single antenna mouth CRS transmission, thus Improve the acquisition performance of system message；By using EPDCCH transmission DCI obtain system message, avoid be in specific sub-frame PBCH reserves fixed symbol and can help to optimize setting for DMRS so that the design of DMRS be made not limited by reserved position Meter improves system performance.

Fig. 6 is the flow diagram of the acquisition methods of another system message provided in an embodiment of the present invention, the present embodiment In multiple cells share first resource, by down control channel be EPDCCH for.The present embodiment includes:

61: user equipment determines itself corresponding child resource on first resource, detects on itself corresponding child resource Down control channel；

Wherein, cell sharing mode may include following several:

Mode one: the initial position of the search space of EPDCCH of each cell on first resource is corresponding small by the cell Area's mark determines.

Under which, base station can determine the start bit of the search space of the corresponding EPDCCH of each cell according to cell ID It sets, then sends EPDCCH on the corresponding physical resource in the search space.

User equipment can determine the search of the corresponding EPDCCH of this cell according to the cell ID of itself affiliated subdistrict The initial position in space is searched in corresponding search space then according to the initial position and obtains Physical Downlink Control Channel.

Mode two: first resource includes the child resources of multiple carrying EPDCCH, and the corresponding EPDCCH of each cell is occupied Child resource is determined by the corresponding cell ID of the cell.

Under which, base station can determine the child resource for carrying the corresponding EPDCCH of each cell according to cell ID, then The EPDCCH is sent on determining child resource.

User equipment can determine that carrying the corresponding EPDCCH of this cell occupies according to the cell ID of itself affiliated subdistrict Child resource, receive Physical Downlink Control Channel on corresponding child resource later.

Mode three: first resource includes the child resources of multiple carrying EPDCCH, and the corresponding EPDCCH of each cell occupies solid Sub-resource.

Under which, which specific cell occupies which child resource can be mutually coordinated between cells.The first resource The multiple child resources for including can be multiplexed between multiple cells with fixed multiplexing factor.The son money that different community occupies Source can be different, and the child resource that the cell of geographical location relatively far apart occupies can be identical.

Under which, base station can send the corresponding EPDCCH of each cell on the child resource of the corresponding fixation of each cell, User equipment by corresponding fixed child resource blind Detecting receive the corresponding EPDCCH of this cell.

Under which, the corresponding child resource of each cell can be different in different subframes.

Mode four, the first resource include the child resources of multiple carrying EPDCCH, and the corresponding EPDCCH of each cell can be with Occupy any one child resource；

Under which, to the child resource respectively occupied without coordinating between base station, base station can decide carrying in its sole discretion should It is corresponding to receive this cell by the corresponding all child resources of the blind Detecting first resource for the child resource of EPDCCH, user equipment EPDCCH。

62: the user equipment obtains system message according to the Physical Downlink Control Channel.

Particular content may refer to above-mentioned associated description.

By the way that multiple cells are shared first resource efficiency of transmission can be improved, and in first three above-mentioned in the present embodiment When kind sharing mode, the resource of the bearing downlink control channel of multiple cells can be made different, so that inter-cell interference is avoided, Improve the transmission performance of system message.

Fig. 7 is a kind of structural schematic diagram of user equipment provided in an embodiment of the present invention, which includes detection Module 71 and acquisition module 72；Detection module 71 is for detecting down control channel, bearing downlink on the down control channel Information DCI is controlled, includes first information domain in the corresponding DCI format of the down control channel, the first information domain is used for Indicating system message；It is carried on the down control channel that acquisition module 72 is used to be detected according to the detection module 71 The DCI obtains system message.

Optionally, the detection module 71 detects the physical down control letter that the obtained down control channel is enhancing Road EPDCCH.

Optionally, the detection module 71 is specifically used for:

Optionally, the frequency domain of the first physical resource set of blocks for the first resource that the detection module 71 detects Initial position refers to that the Physical Resource Block of the smallest Physical Resource Block of physical resource block number in the first physical resource set of blocks is compiled Number, the frequency domain initial position of the physical resource set of blocks of the carrying synchronization signal and/or discovery signal refers to the synchronous letter of carrying Number and/or discovery signal physical resource set of blocks in the smallest Physical Resource Block of physical resource block number Physical Resource Block compile Number.

Optionally, the detection module 71 is specifically used for:

Optionally, the first physical resource set of blocks for the first resource that the detection module 71 detects includes the One muon physics resource set of blocks and the second muon physics resource set of blocks, the first muon physics resource set of blocks and second son Physical resource set of blocks is located at carrying synchronization signal and/or finds the two sides of the physical resource set of blocks of signal.

Optionally, the first physical resource set of blocks of the first resource of the detection of detection module 71 includes Physical Resource Block number that the first muon physics resource set of blocks includes and the second muon physics resource set of blocks include Physical Resource Block number is identical；Alternatively, the corresponding down control channel blind Detecting number of the first muon physics resource set of blocks Down control channel blind Detecting number corresponding with the second muon physics resource set of blocks is identical.

Optionally, the detection module 71 is specifically used for:

Optionally, the acquisition module 72 is specifically used for:

Optionally, the first information domain for obtaining 72 basis of module includes one or more in following item :

In hardware realization, the above detection module can be receiver or transceiver, and the above acquisition module can be with hardware Form is embedded in or independently of in the processor of base station, can also be stored in a software form in the memory of base station, in order to Processor, which calls, executes the corresponding operation of the above modules.The processor can be central processing unit (CPU), micro process Device, single-chip microcontroller etc..It is understood that in the user equipment can also include memory, antenna, baseband process component, in penetrate The universal components such as frequency processing component, input/output unit, no longer any restrictions herein of the embodiment of the present invention.

It is set in above method embodiment about user it should be noted that user equipment shown in Fig. 7 can be used to implement Standby any method, and the description of relational language and particular content, with above method embodiment, details are not described herein.

The present embodiment by obtaining system message according in the Downlink Control Information carried on down control channel, rather than System message is obtained on PBCH, the transmission of system message is influenced when can be affected to avoid PBCH transmission performance, is realized System message is transmitted and obtained on NCT.

Fig. 8 is a kind of structural schematic diagram of base station provided in an embodiment of the present invention, which includes 81 He of determining module Sending module 82；Determining module 81 is used to determine the Downlink Control Information DCI of down control channel carrying, the downlink control letter It include first information domain in the corresponding DCI format in road, the first information domain is used to indicate system message；Sending module 82 is used for The down control channel is sent to user equipment, so that the downlink that the user equipment is determined according to the determining module The DCI carried in control channel obtains system message.

Optionally, the down control channel that the sending module 82 is sent is the Physical Downlink Control Channel of enhancing EPDCCH。

Optionally, the sending module 82 is specifically used for:

Optionally, described the of the first resource where the down control channel that the sending module 82 is sent The frequency domain initial position of one physical resource set of blocks refers to the smallest object of physical resource block number in the first physical resource set of blocks Manage the physical resource block number of resource block, the frequency domain of the carrying synchronization signal and/or the physical resource set of blocks for finding signal Initial position refers to the smallest object of physical resource block number in the physical resource set of blocks of carrying synchronization signal and/or discovery signal Manage the physical resource block number of resource block.

Optionally, the sending module 82 is specifically used for:

Optionally, described the of the first resource where the down control channel that the sending module 82 is sent One physical resource set of blocks includes the first muon physics resource set of blocks and the second muon physics resource set of blocks, first muon physics Resource set of blocks and the second muon physics resource set of blocks are located at carrying synchronization signal and/or find the Physical Resource Block of signal The two sides of set.

Optionally, described the of the first resource where the down control channel that the sending module 82 is sent The physical resource that the Physical Resource Block number and the second muon physics resource set of blocks that one physical resource set of blocks includes include Block number is identical；Alternatively, the corresponding down control channel blind Detecting number of the first muon physics resource set of blocks and described the The corresponding down control channel blind Detecting number of two muon physics resource set of blocks is identical.

Optionally, the sending module 82 is specifically used for:

Optionally, the determining module 81 is specifically used for:

Optionally, include in the corresponding DCI format of the down control channel that the sending module 82 is sent is described First information domain includes one or more in following item:

In hardware realization, the above sending module can be transmitter or transceiver, and module determined above can be with hardware Form is embedded in or independently of in the processor of base station, can also be stored in a software form in the memory of base station, in order to Processor, which calls, executes the corresponding operation of the above modules.The processor can be central processing unit (CPU), micro process Device, single-chip microcontroller etc..It is understood that at can also be including memory, antenna, baseband process component, middle radio frequency in the base station Manage component, the universal components such as input/output unit, no longer any restrictions herein of the embodiment of the present invention.

It should be noted that base station shown in Fig. 8 can be used to implement any in above method embodiment about base station Kind method, and the description of relational language and particular content, with above method embodiment, details are not described herein.

It is apparent to those skilled in the art that for convenience and simplicity of description, only with above-mentioned each function The division progress of module can according to need and for example, in practical application by above-mentioned function distribution by different function moulds Block is completed, i.e., the internal structure of device is divided into different functional modules, to complete all or part of function described above Energy.The specific work process of the system, apparatus, and unit of foregoing description, can be with reference to corresponding in preceding method embodiment Journey, details are not described herein.

In several embodiments provided herein, it should be understood that disclosed system, device and method can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the module or The division of unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, institute Display or the mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, device or unit Indirect coupling or communication connection can be electrical property, mechanical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.

It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.

If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that a computer It is each that equipment (can be personal computer, server or the network equipment etc.) or processor (processor) execute the application The all or part of the steps of embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk Etc. the various media that can store program code.

The above, above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although referring to before Embodiment is stated the application is described in detail, those skilled in the art should understand that: it still can be to preceding Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these It modifies or replaces, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.

Claims

1. a kind of acquisition methods of system message characterized by comprising

User equipment detects down control channel, and bearing downlink controls information DCI, the downlink control on the down control channel It include first information domain in the corresponding DCI format of channel processed, the first information domain is used to indicate system message；

The user equipment obtains system message according to the DCI carried on the down control channel detected；

Wherein, the first information domain includes one or more in following item:

The domain of indicating downlink system bandwidth, the domain for indicating System Frame Number, the domain of the corresponding carrier type of indication carrier wave, instruction enhancing Public search space position domain.

2. the method according to claim 1, wherein the down control channel is the physical down control of enhancing Channel.

3. method according to claim 1 or 2, which is characterized in that the detection down control channel, comprising:

Down control channel is detected on first resource, the first resource is the first Physical Resource Block collection in the first subframe It closes；

First subframe is the next subframe for the subframe for carrying synchronization signal and/or finding signal, first physical resource The frequency domain initial position of the physical resource set of blocks of the frequency domain initial position of set of blocks and carrying synchronization signal and/or discovery signal It is identical.

4. method according to claim 1 or 2, which is characterized in that the detection down control channel, comprising:

First subframe is the next subframe for the subframe for carrying synchronization signal and/or finding signal, first physical resource The frequency domain initial position of the physical resource set of blocks of the frequency domain initial position of set of blocks and carrying synchronization signal and/or discovery signal There are scheduled offsets.

5. the method according to claim 3 or 4, which is characterized in that the frequency domain of the first physical resource set of blocks originates Position refers to the physical resource block number of the smallest Physical Resource Block of physical resource block number in the first physical resource set of blocks, institute State carrying synchronization signal and/or find signal physical resource set of blocks frequency domain initial position refer to carrying synchronization signal and/ Or discovery signal physical resource set of blocks in the smallest Physical Resource Block of physical resource block number physical resource block number.

6. method according to claim 1 or 2, which is characterized in that the detection down control channel, comprising:

First subframe is the subframe for carrying synchronization signal and/or finding signal, the frequency of the first physical resource set of blocks Domain position and the frequency domain position of carrying synchronization signal and/or the physical resource set of blocks for finding signal be not be overlapped.

7. according to the method described in claim 6, it is characterized in that, the first physical resource set of blocks includes the first muon physics Resource set of blocks and the second muon physics resource set of blocks, the first muon physics resource set of blocks and the second muon physics resource Set of blocks is located at carrying synchronization signal and/or finds the two sides of the physical resource set of blocks of signal.

8. the method according to the description of claim 7 is characterized in that

The Physical Resource Block number and the second muon physics resource set of blocks packet that the first muon physics resource set of blocks includes The Physical Resource Block number contained is identical；Alternatively,

The corresponding down control channel blind Detecting number of first muon physics resource set of blocks and the second muon physics resource The corresponding down control channel blind Detecting number of set of blocks is identical.

9. according to the described in any item methods of claim 3-8, which is characterized in that described to detect downlink control on first resource Channel, comprising:

User equipment determines the position of the search space of down control channel according to cell ID, according to the position in described search space It sets and detects the down control channel on first resource；Alternatively,

The first resource includes multiple child resources, and user equipment is provided according to the son that cell ID determines that down control channel occupies The down control channel is detected on the child resource that the down control channel occupies in source；Alternatively,

The first resource includes multiple child resources, and the down control channel occupies one in the multiple child resource, institute It states user equipment and the down control channel is detected on the multiple child resource by blind Detecting.

10. -9 described in any item methods according to claim 1, which is characterized in that the downlink control that the basis detects The DCI carried on channel processed obtains system message, comprising:

Also include the second information field in the DCI format, the first system message is obtained according to the value in the first information domain, according to The value of second information field receives Physical Downlink Shared Channel PDSCH, and second system message is obtained from the PDSCH, Second information field is used to indicate the transmission of PDSCH, and the second system message is carried in the PDSCH.

11. a kind of transmission method of system message characterized by comprising

Base station determines the Downlink Control Information DCI of down control channel carrying, in the corresponding DCI format of the down control channel Comprising first information domain, the first information domain is used to indicate system message；

The base station sends the down control channel to user equipment；

Wherein, the first information domain includes one or more in following item:

12. according to the method for claim 11, which is characterized in that the down control channel is the physical down control of enhancing Channel processed.

13. method according to claim 11 or 12, which is characterized in that described to send the down control channel, comprising:

The down control channel is sent on first resource, the first resource is the first Physical Resource Block in the first subframe Set；

14. method according to claim 11 or 12, which is characterized in that described to send the down control channel, comprising:

15. method described in 3 or 14 according to claim 1, which is characterized in that the frequency domain of the first physical resource set of blocks rises Beginning position refers to the physical resource block number of the smallest Physical Resource Block of physical resource block number in the first physical resource set of blocks, The frequency domain initial position of the physical resource set of blocks of the carrying synchronization signal and/or discovery signal refers to carrying synchronization signal And/or the Physical Resource Block of the smallest Physical Resource Block of physical resource block number is compiled in the physical resource set of blocks of discovery signal Number.

16. method according to claim 11 or 12, which is characterized in that described to send the down control channel, comprising:

17. according to the method for claim 16, which is characterized in that the first physical resource set of blocks includes the first sub- object Manage resource set of blocks and the second muon physics resource set of blocks, the first muon physics resource set of blocks and second muon physics money Source block set is located at carrying synchronization signal and/or finds the two sides of the physical resource set of blocks of signal.

18. according to the method for claim 17, which is characterized in that

19. the described in any item methods of 3-18 according to claim 1, which is characterized in that it is described on first resource send described in Down control channel, comprising:

The position that the search space of the down control channel is determined according to cell ID is sent out according to the position in described search space Send the down control channel；Alternatively,

The child resource that the down control channel occupies on first resource is determined according to cell ID, in the son money of the occupancy The down control channel is sent on source；Alternatively,

20. the described in any item methods of 1-19 according to claim 1, which is characterized in that the base station determines down control channel The Downlink Control Information DCI of carrying, comprising:

The value that the first information domain is determined according to the first system message is believed according to the scheduling of Physical Downlink Shared Channel PDSCH Breath determines the value of second information field.

21. a kind of user equipment characterized by comprising

Detection module, for detecting down control channel, bearing downlink controls information DCI on the down control channel, described It include first information domain in the corresponding DCI format of down control channel, the first information domain is used to indicate system message；

Module is obtained, the DCI carried on the down control channel for detecting according to the detection module is obtained System message；

Wherein, the first information domain includes one or more in following item:

22. user equipment according to claim 21, which is characterized in that the down control channel is under the physics of enhancing Row control channel.

23. the user equipment according to claim 21 or 22, which is characterized in that the detection module is specifically used for:

24. the user equipment according to claim 21 or 22, which is characterized in that the detection module is specifically used for:

25. the user equipment according to claim 23 or 24, the first resource of the detection module detection it is described The frequency domain initial position of first physical resource set of blocks refers to that physical resource block number is the smallest in the first physical resource set of blocks The physical resource block number of Physical Resource Block, the frequency of the carrying synchronization signal and/or the physical resource set of blocks for finding signal Domain initial position refers to that physical resource block number is the smallest in the physical resource set of blocks of carrying synchronization signal and/or discovery signal The physical resource block number of Physical Resource Block.

26. the user equipment according to claim 21 or 22, which is characterized in that the detection module is specifically used for:

27. user equipment according to claim 26, which is characterized in that the first resource of the detection module detection The first physical resource set of blocks include the first muon physics resource set of blocks and the second muon physics resource set of blocks, described the One muon physics resource set of blocks and the second muon physics resource set of blocks are located at carrying synchronization signal and/or find the object of signal Manage the two sides of resource set of blocks.

28. user equipment according to claim 27, which is characterized in that the first resource of the detection module detection The first physical resource set of blocks the first muon physics resource set of blocks for including Physical Resource Block number for including with The Physical Resource Block number that the second muon physics resource set of blocks includes is identical；Alternatively, the first muon physics resource block collection It is blind to close corresponding down control channel blind Detecting number down control channel corresponding with the second muon physics resource set of blocks It is identical to detect number.

29. according to the described in any item user equipmenies of claim 24-28, which is characterized in that the detection module is specifically used for:

The position that the search space of down control channel is determined according to cell ID, according to the position in described search space first The down control channel is detected in resource；Alternatively,

The child resource that down control channel occupies is determined according to cell ID, on the child resource that the down control channel occupies Detect the down control channel, wherein the first resource includes multiple child resources；Alternatively,

The down control channel is detected on the multiple child resource by blind Detecting, wherein the first resource includes more A child resource, the down control channel occupy one in the multiple child resource.

30. according to the described in any item user equipmenies of claim 21-29, which is characterized in that the acquisition module is specifically used for:

The first system message is obtained according to the value in the first information domain, it is shared to receive physical down according to the value of the second information field Channel PDSCH, and second system message is obtained from the PDSCH, wherein it also include the second information field in the DCI format, Second information field is used to indicate the transmission of PDSCH, and the second system message is carried in the PDSCH.

31. a kind of base station characterized by comprising

Determining module, for determining that the Downlink Control Information DCI of down control channel carrying, the down control channel are corresponding It include first information domain in DCI format, the first information domain is used to indicate system message；

Sending module, for sending the down control channel to user equipment；

Wherein, the first information domain includes one or more in following item:

32. base station according to claim 31, which is characterized in that the down control channel that the sending module is sent For the Physical Downlink Control Channel H of enhancing.

33. the base station according to claim 31 or 32, which is characterized in that the sending module is specifically used for:

34. the base station according to claim 31 or 32, which is characterized in that the sending module is specifically used for:

35. the base station according to claim 33 or 34, which is characterized in that the downlink control that the sending module is sent The frequency domain initial position of the first physical resource set of blocks of the first resource where channel refers to the first physical resource The physical resource block number of the smallest Physical Resource Block of physical resource block number in set of blocks, the carrying synchronization signal and/or It was found that the frequency domain initial position of the physical resource set of blocks of signal refers to carrying synchronization signal and/or finds the physical resource of signal The physical resource block number of the smallest Physical Resource Block of physical resource block number in set of blocks.

36. the base station according to claim 31 or 32, which is characterized in that the sending module is specifically used for:

37. base station according to claim 36, which is characterized in that the down control channel that the sending module is sent The first physical resource set of blocks of the first resource at place includes the first muon physics resource set of blocks and the second sub- object Manage resource set of blocks, the first muon physics resource set of blocks and the second muon physics resource set of blocks are located at that carrying is synchronous to be believed Number and/or discovery signal physical resource set of blocks two sides.

38. the base station according to claim 37, which is characterized in that the down control channel that the sending module is sent The Physical Resource Block number and the described second sub- object that the first physical resource set of blocks of the first resource at place includes The Physical Resource Block number that reason resource set of blocks includes is identical；Alternatively, the corresponding downlink of the first muon physics resource set of blocks Control channel blind Detecting number down control channel blind Detecting number corresponding with the second muon physics resource set of blocks is identical.

39. according to the described in any item base stations claim 33-38, which is characterized in that the sending module is specifically used for:

40. according to the described in any item base stations claim 31-39, which is characterized in that the determining module is specifically used for:

41. a kind of computer readable storage medium is stored thereon with program, when said program is run on, so that The computer executes such as described in any item methods of claim 1-10, alternatively, executing such as any one of claim 11-20 institute The method stated.