CN108737059B

CN108737059B - Demodulate pilot frequency collocation method and device

Info

Publication number: CN108737059B
Application number: CN201810490907.9A
Authority: CN
Inventors: 刘鹍鹏; 刘江华
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2014-05-29
Filing date: 2014-05-29
Publication date: 2019-11-19
Anticipated expiration: 2034-05-29
Also published as: CN108809607B; CN108809607A; CN111800247A; CN106465354B; WO2015180098A1; CN108737059A; CN106465354A

Abstract

The embodiment of the present invention provides a kind of demodulation pilot frequency collocation method and device.The present invention demodulates pilot frequency collocation method, it include: that second network equipment selects one in at least two candidate demodulation pilot frequency designs with identical port number, demodulation pilot signal is mapped on the candidate demodulation pilot frequency design, the port number is equal to the number of plies of data flow；Wherein, the described at least two candidate demodulation pilot frequency designs with identical port number are different, and at least one described candidate demodulation pilot frequency design includes the physical resource unit RE that non-zero power demodulation pilot signal occupies and the physical resource unit RE that zero energy demodulation pilot signal occupies；The configuration information of demodulation pilot signal and the demodulation pilot signal after mapping is sent to first network equipment by second network equipment.The embodiment of the present invention realizes the demodulation pilot frequency design different to different first network device configurations, avoids the interference to other first network equipment, increases users multiplexing number.

Description

Demodulate pilot frequency collocation method and device

Technical field

The present embodiments relate to the communication technology more particularly to a kind of demodulation pilot frequency collocation methods and device.

Background technique

The 3D multi-antenna technologies such as dynamic 3 D (3D) beamforming technique are as raising Cell Edge User throughput, cell The key technology of user total throughput and average throughput, the depth for causing industry are paid attention to.According to the 3D letter of user terminal estimation Road information, the 3 dimension beam shape-endowing weight values at adjustment active antenna end, so that the main lobe of wave beam " alignment " target in 3 dimension spaces is used Received signal power is larger improved at family, improves Signal to Interference plus Noise Ratio, and then promote the handling capacity of whole system.3D wave beam forming skill Art is needed based on active antenna system (Active Antenna Systems, abbreviation AAS), relative to traditional antenna, active day Line AAS further provide vertically to freedom degree.Multi-user's multiple-input and multiple-output (MU MIMO) technology refers to that multiple users can To be multiplexed identical running time-frequency resource, spatially distinguished by different beam shape-endowing weight values.Due to 3D wave beam forming skill The introducing of art, the number of users that can be spatially multiplexed increase.

In long term evolution (Long Term Evolution, abbreviation LTE) system of the prior art, pilot signal is demodulated The configuration of (demodulation reference signal, abbreviation DMRS) only considered 4 pairing users of maximum support.Fig. 1 For demodulation pilot signal configuration schematic diagram in the prior art, as shown in Figure 1, a Physical Resource Block is to (Physical Resource Block pair, referred to as: PRB pair) include: 12*14 physical resource unit (Resource Element, Abbreviation RE), 12 demodulation pilot sub-carriers, 2 time slots, each time slot has 7 OFDM symbols, and horizontal axis represents time t, longitudinal axis generation Table frequency f.RE where DMRS is the position in figure where gray shade RE.The RE of oblique line portion represents public guide frequency (Common reference signal, abbreviation CRS), wherein there are 4 users to carry out MU MIMO multiplexings, UE1, UE2, UE3, UE4.The mode that the multiplexing of DMRS is combined using different orthogonal intersections and different scrambling codes.Orthogonal intersection is to apply On RE where the two adjacent OFDM symbols of DMRS.UE1 uses orthogonal intersection (1,1), and scrambling code is generated using nscid0； UE2 uses orthogonal intersection (1, -1), and same scrambling code is generated using nscid0；Therefore UE1 and UE2 is completely orthogonal (at the 2nd Above-mentioned orthogonal intersection and scrambling code are equally used in gap).UE3 uses orthogonal intersection (1,1), and scrambling code is produced using nscid1 It is raw；UE4 uses orthogonal intersection (1, -1), and same scrambling code is generated using nscid1；Therefore UE3 and UE4 is completely orthogonal.At two Multiplex mode is identical in gap.

Problems of the prior art are that the configuration of DMRS is unable to satisfy the pilot frequency multiplexing of the user increased.

Summary of the invention

The embodiment of the present invention provides a kind of demodulation pilot frequency collocation method and device, to overcome the configuration of DMRS in the prior art The problem of being unable to satisfy the pilot frequency multiplexing of the user increased.

In a first aspect, the embodiment of the present invention provides a kind of demodulation pilot frequency collocation method, comprising:

Second network equipment determines one in at least two candidate demodulation pilot frequency designs with identical port number, will solve Pilot signal is adjusted to be mapped on the corresponding running time-frequency resource of the demodulation pilot frequency design, the port number is equal to the number of plies of data flow；

Wherein, the described at least two candidate demodulation pilot frequency designs with identical port number are different, and at least one institute Stating candidate demodulation pilot frequency design includes that the physical resource unit RE of non-zero power demodulation pilot signal occupancy and zero energy demodulation are led The physical resource unit RE that frequency signal occupies；

Second network equipment sends out the configuration information of demodulation pilot signal and the demodulation pilot signal after mapping Give first network equipment.

With reference to first aspect, in the first implementation of first aspect, described at least two have identical port number Candidate demodulation pilot frequency design it is different, comprising:

In at least one candidate's demodulation pilot frequency design, the position for the RE that the non-zero power demodulation pilot signal occupies is right It answers in remaining at least one candidate pilot pattern, the position for the RE that the zero energy demodulation pilot signal occupies.

With reference to first aspect, in second of implementation of first aspect, described at least two have identical port number Candidate demodulation pilot frequency design it is different, comprising:

In at least one candidate's demodulation pilot frequency design, the position for the RE that all non-zero power demodulation pilot signals occupy The position of the RE occupied with all zero energy demodulation pilot signals, corresponds in remaining at least one candidate pilot pattern, institute State the position for the RE that non-zero power demodulation pilot signal occupies.

With reference to first aspect or the first implementation of first aspect, in the third implementation of first aspect, In at least one candidate's demodulation pilot frequency design, time interval that at least one described non-zero power demodulation pilot signal occupies and extremely The time interval that few zero energy demodulation pilot signal occupies is different, and the non-zero power demodulates what pilot signal occupied The frequency bandwidth that frequency bandwidth and zero energy demodulation pilot signal occupy is also different.

With reference to first aspect or first aspect first, the third implementation, in the 4th kind of realization side of first aspect In formula, at least one candidate's demodulation pilot frequency design, time interval that all non-zero powers demodulation pilot signals occupy and The time interval that all zero energy demodulation pilot signals occupy is different.

With reference to first aspect or first aspect first, the third implementation, in the 5th kind of realization side of first aspect In formula, at least one candidate's demodulation pilot frequency design, frequency bandwidth that all non-zero powers demodulation pilot signals occupy and The frequency bandwidth that all zero energy demodulation pilot signals occupy is different.

With reference to first aspect or the first implementation of first aspect, in the 6th kind of implementation of first aspect, In at least one candidate's demodulation pilot frequency design, the non-zero power demodulation pilot signal and zero energy demodulation pilot signal are adjacent Demodulation pilot signal where frequency bandwidth on the time interval that occupies it is different；The time interval is first time interval； And/or

In at least one candidate's demodulation pilot frequency design, the non-zero power demodulation pilot signal and zero energy demodulation pilot tone letter Number frequency bandwidth occupied in the time interval where adjacent demodulation pilot signal is different；When the time interval is first Between be spaced.

Third with reference to first aspect~the 6th any implementation, in the 7th kind of implementation of first aspect, In at least one candidate's demodulation pilot frequency design, the time interval that all non-zero power demodulation pilot signals occupy is identical；Institute Stating time interval is first time interval.

The 7th kind of implementation with reference to first aspect, in the 8th kind of implementation of first aspect, at least one time In choosing demodulation pilot frequency design, frequency bandwidth that the non-zero power in same time interval demodulation pilot signal occupies is the It is spacedly distributed in one frequency bandwidth；The time interval is the second time interval, and second time interval is than described the The small time interval of one time interval.

Third with reference to first aspect~the 6th any implementation, in the 9th kind of implementation of first aspect, In at least one candidate's demodulation pilot frequency design, the frequency bandwidth that the non-zero power demodulation pilot signal occupies is identical.

The 9th kind of implementation with reference to first aspect, in the tenth kind of implementation of first aspect, at least one time In choosing demodulation pilot frequency design, time interval that the non-zero power in same frequency band width demodulation pilot signal occupies is the It is spacedly distributed in three time intervals；The third time interval is the time interval bigger than the first time interval.

Third with reference to first aspect~the 6th any implementation, in a kind of the tenth implementation of first aspect In, at least one candidate's demodulation pilot frequency design, the non-zero power demodulation pilot signal is in adjacent demodulation pilot signal institute Frequency bandwidth on the time interval that occupies it is different；The time interval is first time interval；And/or

In at least one candidate's demodulation pilot frequency design, the non-zero power demodulation pilot signal is believed in adjacent demodulation pilot tone The frequency bandwidth occupied in time interval where number is different；The time interval is first time interval.

The tenth a kind of implementation with reference to first aspect, in the 12nd kind of implementation of first aspect, at least one In a candidate demodulation pilot frequency design, the time interval that the non-zero power demodulation pilot signal occupies is spacedly distributed, occupancy Frequency bandwidth is spacedly distributed.

Third with reference to first aspect~the 6th any implementation, in the 13rd kind of implementation of first aspect In, at least one candidate's demodulation pilot frequency design, the time interval that all zero energy demodulation pilot signals occupy is identical；Institute Stating time interval is first time interval.

The 13rd kind of implementation with reference to first aspect, in the 14th kind of implementation of first aspect, at least one In a candidate demodulation pilot frequency design, the frequency bandwidth that the zero energy demodulation pilot signal in same time interval occupies exists It is spacedly distributed in first band width, the time interval is the second time interval, and second time interval is than described The small time interval of first time interval.

Third with reference to first aspect~the 6th any implementation, in the 15th kind of implementation of first aspect In, at least one candidate's demodulation pilot frequency design, the frequency bandwidth that the zero energy demodulation pilot signal occupies is identical.

The 15th kind of implementation with reference to first aspect, in the 16th kind of implementation of first aspect, at least one In a candidate demodulation pilot frequency design, the time interval that the zero energy demodulation pilot signal in same frequency band width occupies exists It is spacedly distributed in third time interval；The third time interval is the time interval bigger than the first time interval.

Third with reference to first aspect~the 6th any implementation, in the 17th kind of implementation of first aspect In, at least one candidate's demodulation pilot frequency design, the zero energy demodulation pilot signal is occupied in adjacent demodulation pilot signal Frequency bandwidth on the time interval that occupies it is different；The time interval is first time interval；And/or

In at least one candidate's demodulation pilot frequency design, the zero energy demodulation pilot signal is in adjacent demodulation pilot signal The frequency bandwidth occupied in the time interval of occupancy is different；The time interval is first time interval.

The 17th kind of implementation with reference to first aspect, in the 18th kind of implementation of first aspect, at least one In a candidate demodulation pilot frequency design, the time interval that the zero energy demodulation pilot signal occupies is spacedly distributed, the frequency of occupancy Bandwidth is spacedly distributed.

Third with reference to first aspect~the 18th any implementation, in the 19th kind of implementation of first aspect In, the time interval, the time span or unit orthogonal frequency division multiplexing of time span, unit time slot including unit subframe The time span of OFDM symbol.

Third with reference to first aspect~the 18th any implementation, in the 20th kind of implementation of first aspect In, the frequency bandwidth, the width of the frequency of the width or unit Physical Resource Block PRB of the frequency including unit subcarrier.

With reference to first aspect or the first~the 20th any implementation of first aspect, the second of first aspect In a kind of ten implementations, at least two candidate pilots pattern is sent to the first net by dynamic signaling or high-level signaling Network equipment.

The 20th a kind of implementation with reference to first aspect, in the 22nd kind of implementation of first aspect, institute It states dynamic signaling or high-level signaling is that cell is specific；Or,

The dynamic signaling or high-level signaling are that user group is specific；Or,

The dynamic signaling or high-level signaling are that user is specific.

With reference to first aspect or the first~the 22nd any implementation of first aspect, the of first aspect In 23 kinds of implementations, by a pilot frequency design in at least two candidate pilots pattern by dynamic signaling or High-level signaling is sent to first network equipment.

Second aspect, the embodiment of the present invention provide a kind of demodulation pilot signal configuration method, comprising:

First network equipment obtains demodulation pilot frequency design according to the demodulation pilot configuration information received, and according to corresponding It demodulates pilot frequency design and receives demodulation pilot signal；The demodulation pilot frequency design is at least two with identical port number One in candidate's demodulation pilot frequency design, the port number is equal to the number of plies of data flow；

Wherein, the described at least two candidate demodulation pilot frequency designs with identical port number are different, and at least one institute Stating candidate demodulation pilot frequency design includes that the physical resource unit RE of non-zero power demodulation pilot signal occupancy and zero energy demodulation are led The physical resource unit RE that frequency signal occupies.

In conjunction with second aspect, in the first implementation of second aspect, described at least two have identical port number Candidate demodulation pilot frequency design it is different, comprising:

In conjunction with second aspect, in second of implementation of second aspect, described at least two have identical port number Candidate demodulation pilot frequency design it is different, comprising:

In at least one candidate's demodulation pilot frequency design, the position for the RE that all non-zero power demodulation pilot signals occupy The institute in remaining at least one candidate pilot pattern is corresponded to the position of the RE of all zero energy demodulation pilot signals occupancy State the position for the RE that non-zero power demodulation pilot signal occupies.

In conjunction with the first of second aspect or second aspect implementation, in the third implementation of second aspect, In at least one candidate's demodulation pilot frequency design, time interval that at least one described non-zero power demodulation pilot signal occupies and extremely The time interval that few zero energy demodulation pilot signal occupies is different, and the non-zero power demodulates what pilot signal occupied The frequency bandwidth that frequency bandwidth and zero energy demodulation pilot signal occupy is also different.

In conjunction with second aspect or second aspect first, the third implementation, in the 4th kind of realization side of second aspect In formula, at least one candidate's demodulation pilot frequency design, time interval that all non-zero powers demodulation pilot signals occupy and The time interval that all zero energy demodulation pilot signals occupy is different.

In conjunction with second aspect or second aspect first, the third implementation, in the 5th kind of realization side of second aspect In formula, at least one candidate's demodulation pilot frequency design, frequency bandwidth that all non-zero powers demodulation pilot signals occupy and The frequency bandwidth that all zero energy demodulation pilot signals occupy is different.

In conjunction with the first of second aspect or second aspect implementation, in the 6th kind of implementation of second aspect, In at least one candidate's demodulation pilot frequency design, the non-zero power demodulation pilot signal and zero energy demodulation pilot signal are adjacent Demodulation pilot signal where frequency bandwidth on the time interval that occupies it is different；The time interval is first time interval； And/or

In conjunction with third~the 6th any implementation of second aspect, in the 7th kind of implementation of second aspect, In at least one candidate's demodulation pilot frequency design, the time interval that all non-zero power demodulation pilot signals occupy is identical；Institute Stating time interval is first time interval.

In conjunction with the 7th kind of implementation of second aspect, in the 8th kind of implementation of second aspect, at least one time In choosing demodulation pilot frequency design, frequency bandwidth that the non-zero power in same time interval demodulation pilot signal occupies is the It is spacedly distributed in one frequency bandwidth；The time interval is the second time interval, and second time interval is than described the The small time interval of one time interval.

In conjunction with third~the 6th any implementation of second aspect, in the 9th kind of implementation of second aspect, In at least one candidate's demodulation pilot frequency design, the frequency bandwidth that the non-zero power demodulation pilot signal occupies is identical.

In conjunction with the 9th kind of implementation of second aspect, in the tenth kind of implementation of second aspect, at least one time In choosing demodulation pilot frequency design, time interval that the non-zero power in same frequency band width demodulation pilot signal occupies is the It is spacedly distributed in three time intervals；The third time interval is the time interval bigger than the first time interval.

In conjunction with third~the 6th any implementation of second aspect, in a kind of the tenth implementation of second aspect In, at least one candidate's demodulation pilot frequency design, the non-zero power demodulation pilot signal is in adjacent demodulation pilot signal institute Frequency bandwidth on the time interval that occupies it is different；The time interval is first time interval；And/or

In conjunction with a kind of the tenth implementation of second aspect, in the 12nd kind of implementation of second aspect at least one In candidate's demodulation pilot frequency design, the time interval that the non-zero power demodulation pilot signal occupies is spacedly distributed, the frequency of occupancy Bandwidth is spacedly distributed.

In conjunction with third~the 6th any implementation of second aspect, in the 13rd kind of implementation of second aspect In, at least one candidate's demodulation pilot frequency design, the time interval that all zero energy demodulation pilot signals occupy is identical；Institute Stating time interval is first time interval.

In conjunction with the 13rd kind of implementation of second aspect, in the 14th kind of implementation of second aspect, at least one In a candidate demodulation pilot frequency design, the frequency bandwidth that the zero energy demodulation pilot signal in same time interval occupies exists It is spacedly distributed in first band width, the time interval is the second time interval, and second time interval is than described The small time interval of first time interval.

In conjunction with third~the 6th any implementation of second aspect, in the 15th kind of implementation of second aspect In, at least one candidate's demodulation pilot frequency design, the frequency bandwidth that the zero energy demodulation pilot signal occupies is identical.

In conjunction with the 15th kind of implementation of second aspect, in the 16th kind of implementation of second aspect at least one In candidate's demodulation pilot frequency design, time interval that the zero energy in same frequency band width demodulation pilot signal occupies is the It is spacedly distributed in three time intervals；The third time interval is the time interval bigger than the first time interval.

In conjunction with third~the 6th any implementation of second aspect, in the 17th kind of implementation of second aspect In, at least one candidate's demodulation pilot frequency design, the zero energy demodulation pilot signal is occupied in adjacent demodulation pilot signal Frequency bandwidth on the time interval that occupies it is different；The time interval is first time interval；And/or

In conjunction with the 17th kind of implementation of second aspect, in the 18th kind of implementation of second aspect, at least one In a candidate demodulation pilot frequency design, the time interval that the zero energy demodulation pilot signal occupies is spacedly distributed, the frequency of occupancy Bandwidth is spacedly distributed.

In conjunction with third~the 18th any implementation of second aspect, in the 19th kind of implementation of second aspect In, the time interval, the time span or unit orthogonal frequency division multiplexing of time span, unit time slot including unit subframe The time span of OFDM symbol.

In conjunction with third~the 18th any implementation of second aspect, in the 20th kind of implementation of second aspect In, the frequency bandwidth, the width of the frequency of the width or unit Physical Resource Block PRB of the frequency including unit subcarrier.

In conjunction with the third of second aspect or second aspect~the 20th any implementation, the second of second aspect In a kind of ten implementations, first network equipment receives the institute that second network equipment is sent by dynamic signaling or high-level signaling State at least two candidate pilot patterns.

In conjunction with a kind of the 20th implementation of second aspect, in the 22nd kind of implementation of second aspect, institute Stating first network equipment is user equipment, and second network equipment is base station；Or,

The first network equipment is user equipment, and second network equipment is user equipment；Or,

The first network equipment is the network equipment, and second network equipment is the network equipment.

In conjunction with a kind of the 20th implementation of second aspect, in the 23rd kind of implementation of second aspect, institute It states dynamic signaling or high-level signaling is that cell is specific；Or,

The dynamic signaling or high-level signaling are that user is specific.

In conjunction with the first~the 23rd any implementation of second aspect or second aspect, the of second aspect In 24 kinds of implementations, the first network equipment receives second network equipment and passes through dynamic signaling or high-rise letter Enable a pilot frequency design in at least two candidate pilots pattern sent.

The third aspect, the embodiment of the present invention provide a kind of second network equipment, comprising:

Mapping block will for determining one in at least two candidate demodulation pilot frequency designs with identical port number Demodulation pilot signal is mapped on the corresponding running time-frequency resource of the demodulation pilot frequency design, and the port number is equal to the layer of data flow Number；

Sending module, for the configuration information of demodulation pilot signal and the demodulation pilot signal after mapping to be sent to First network equipment.

In conjunction with the third aspect, in the first implementation of the third aspect, described at least two have identical port number Candidate demodulation pilot frequency design it is different, comprising:

In conjunction with the third aspect, in second of implementation of the third aspect, described at least two have identical port number Candidate demodulation pilot frequency design it is different, comprising:

In conjunction in the first of the third aspect or the third aspect implementation, in the third implementation of the third aspect In, at least one candidate's demodulation pilot frequency design, the time interval of at least one non-zero power demodulation pilot signal occupancy It is different with the time interval that at least one zero energy demodulation pilot signal occupies, and non-zero power demodulation pilot signal accounts for The frequency bandwidth that frequency bandwidth and zero energy demodulation pilot signal occupy is also different.

In conjunction with the third aspect or the third aspect first, the third implementation, in the 4th kind of realization side of the third aspect In formula, at least one candidate's demodulation pilot frequency design, time interval that all non-zero powers demodulation pilot signals occupy and The time interval that all zero energy demodulation pilot signals occupy is different.

In conjunction with the third aspect or the third aspect first, the third implementation, in the 5th kind of realization side of the third aspect In formula, at least one candidate's demodulation pilot frequency design, frequency bandwidth that all non-zero powers demodulation pilot signals occupy and The frequency bandwidth that all zero energy demodulation pilot signals occupy is different.

In conjunction with the first of the third aspect or the third aspect implementation, in the 6th kind of implementation of the third aspect, In at least one candidate's demodulation pilot frequency design, the non-zero power demodulation pilot signal and zero energy demodulation pilot signal are adjacent Demodulation pilot signal where frequency bandwidth on the time interval that occupies it is different；The time interval is first time interval； And/or

In conjunction with any implementation of first~third of the third aspect or the third aspect, at the 7th kind of the third aspect In implementation, at least one candidate's demodulation pilot frequency design, the time of all non-zero power demodulation pilot signals occupancy It is spaced identical；The time interval is first time interval.

In conjunction with the 7th kind of implementation of the third aspect, in the 8th kind of implementation of the third aspect, at least one time In choosing demodulation pilot frequency design, frequency bandwidth that the non-zero power in same time interval demodulation pilot signal occupies is the It is spacedly distributed in one frequency bandwidth；The time interval is the second time interval, and second time interval is than described the The small time interval of one time interval.

In conjunction with any implementation of first~third of the third aspect or the third aspect, at the 9th kind of the third aspect In implementation, at least one candidate's demodulation pilot frequency design, the frequency bandwidth of the non-zero power demodulation pilot signal occupancy It is identical.

In conjunction with the 9th kind of implementation of the third aspect, in the tenth kind of implementation of the third aspect, at least one time In choosing demodulation pilot frequency design, time interval that the non-zero power in same frequency band width demodulation pilot signal occupies is the It is spacedly distributed in three time intervals；The third time interval is the time interval bigger than the first time interval.

In conjunction with any implementation of first~third of the third aspect or the third aspect, the 11st of the third aspect the In kind implementation, at least one candidate's demodulation pilot frequency design, the non-zero power demodulation pilot signal is in adjacent demodulation The time interval occupied on frequency bandwidth where pilot signal is different；The time interval is first time interval；And/or

In conjunction with a kind of the tenth implementation of the third aspect, in the 12nd kind of implementation of the third aspect, at least one In a candidate demodulation pilot frequency design, the time interval that the non-zero power demodulation pilot signal occupies is spacedly distributed, occupancy Frequency bandwidth is spacedly distributed.

In conjunction with any implementation of first~third of the third aspect or the third aspect, the 13rd of the third aspect the In kind implementation, at least one candidate's demodulation pilot frequency design, the time of all zero energys demodulation pilot signals occupancy It is spaced identical；The time interval is first time interval.

In conjunction with the 13rd kind of implementation of the third aspect, in the 14th kind of implementation of the third aspect, at least one In a candidate demodulation pilot frequency design, the frequency bandwidth that the zero energy demodulation pilot signal in same time interval occupies exists It is spacedly distributed in first band width, the time interval is the second time interval, and second time interval is than described The small time interval of first time interval.

In conjunction with any implementation of first~third of the third aspect or the third aspect, the 15th of the third aspect the In kind implementation, at least one candidate's demodulation pilot frequency design, the frequency bandwidth of the zero energy demodulation pilot signal occupancy It is identical.

In conjunction with the 15th kind of implementation of the third aspect, in the 16th kind of implementation of the third aspect, at least one In a candidate demodulation pilot frequency design, the time interval that the zero energy demodulation pilot signal in same frequency band width occupies exists It is spacedly distributed in third time interval；The third time interval is the time interval bigger than the first time interval.

In conjunction with any implementation of first~third of the third aspect or the third aspect, the 17th of the third aspect the In kind implementation, at least one candidate's demodulation pilot frequency design, the zero energy demodulation pilot signal is led in adjacent demodulation The time interval occupied on the frequency bandwidth that frequency signal occupies is different；The time interval is first time interval；And/or

In conjunction with the 17th kind of implementation of the third aspect, in the 18th kind of implementation of the third aspect, at least one In a candidate demodulation pilot frequency design, the time interval that the zero energy demodulation pilot signal occupies is spacedly distributed, the frequency of occupancy Bandwidth is spacedly distributed.

In conjunction with third~the 18th any implementation of the third aspect, in the 19th kind of implementation of the third aspect In, the time interval, the time span or unit orthogonal frequency division multiplexing of time span, unit time slot including unit subframe The time span of OFDM symbol.

In conjunction with third~the 18th any implementation of the third aspect, in the 20th kind of implementation of the third aspect In, the frequency bandwidth, the width of the frequency of the width or Physical Resource Block PRB of the frequency including unit subcarrier.

In conjunction with the first~the 20th any implementation of the third aspect or the third aspect, the second of the third aspect In a kind of ten implementations, at least two candidate pilots pattern is sent to the first net by dynamic signaling or high-level signaling Network equipment.

In conjunction with a kind of the 20th implementation of the third aspect, in the 22nd kind of implementation of the third aspect, institute It states dynamic signaling or high-level signaling is that cell is specific；Or,

The dynamic signaling or high-level signaling are that user is specific.

In conjunction with the first~the 22nd any implementation of the third aspect or the third aspect, the of the third aspect In 23 kinds of implementations, by a pilot frequency design in at least two candidate pilots pattern by dynamic signaling or High-level signaling is sent to first network equipment.

Fourth aspect, the embodiment of the present invention provide a kind of first network equipment, comprising:

Module is obtained, for obtaining demodulation pilot frequency design according to the demodulation pilot configuration information received, and according to corresponding Demodulation pilot frequency design receive demodulation pilot signal；The demodulation pilot frequency design is at least two with identical port number Candidate demodulation pilot frequency design in one, the port number is equal to the number of plies of data flow；

In conjunction with fourth aspect, in the first implementation of fourth aspect, described at least two have identical port number Candidate demodulation pilot frequency design it is different, comprising:

In conjunction with fourth aspect, in second of implementation of fourth aspect, described at least two have identical port number Candidate demodulation pilot frequency design it is different, comprising:

In conjunction with the first of fourth aspect or fourth aspect implementation, in the third implementation of fourth aspect, In at least one candidate's demodulation pilot frequency design, time interval that at least one described non-zero power demodulation pilot signal occupies and extremely The time interval that few zero energy demodulation pilot signal occupies is different, and the non-zero power demodulates what pilot signal occupied The frequency bandwidth that frequency bandwidth and zero energy demodulation pilot signal occupy is also different.

In conjunction with fourth aspect or fourth aspect first, the third implementation, in the 4th kind of realization side of fourth aspect In formula, at least one candidate's demodulation pilot frequency design, time interval that all non-zero powers demodulation pilot signals occupy and The time interval that all zero energy demodulation pilot signals occupy is different.

In conjunction with fourth aspect or fourth aspect first, the third implementation, in the 5th kind of realization side of fourth aspect In formula, at least one candidate's demodulation pilot frequency design, frequency bandwidth that all non-zero powers demodulation pilot signals occupy and The frequency bandwidth that all zero energy demodulation pilot signals occupy is different.

In conjunction with the first of fourth aspect or fourth aspect implementation, in the 6th kind of implementation of fourth aspect, In at least one candidate's demodulation pilot frequency design, the non-zero power demodulation pilot signal and zero energy demodulation pilot signal are adjacent Demodulation pilot signal where frequency bandwidth on the time interval that occupies it is different；The time interval is first time interval； And/or

In conjunction with third~the 6th any implementation of fourth aspect, in the 7th kind of implementation of fourth aspect, In at least one candidate's demodulation pilot frequency design, the time interval that all non-zero power demodulation pilot signals occupy is identical；Institute Stating time interval is first time interval.

In conjunction with the 7th kind of implementation of fourth aspect, in the 8th kind of implementation of fourth aspect, at least one time In choosing demodulation pilot frequency design, frequency bandwidth that the non-zero power in same time interval demodulation pilot signal occupies is the It is spacedly distributed in one frequency bandwidth；The time interval is the second time interval, and second time interval is than described the The small time interval of one time interval.

In conjunction with third~the 6th any implementation of fourth aspect, in the 9th kind of implementation of fourth aspect, In at least one candidate's demodulation pilot frequency design, the frequency bandwidth that the non-zero power demodulation pilot signal occupies is identical.

In conjunction with the 9th kind of implementation of fourth aspect, in the tenth kind of implementation of fourth aspect, at least one time In choosing demodulation pilot frequency design, time interval that the non-zero power in same frequency band width demodulation pilot signal occupies is the It is spacedly distributed in three time intervals；The third time interval is the time interval bigger than the first time interval.

In conjunction with third~the 6th any implementation of fourth aspect, in a kind of the tenth implementation of fourth aspect In, at least one candidate's demodulation pilot frequency design, the non-zero power demodulation pilot signal is in adjacent demodulation pilot signal institute Frequency bandwidth on the time interval that occupies it is different；The time interval is first time interval；And/or

In conjunction with a kind of the tenth implementation of fourth aspect, in the 12nd kind of implementation of fourth aspect at least one In candidate's demodulation pilot frequency design, the time interval that the non-zero power demodulation pilot signal occupies is spacedly distributed, the frequency of occupancy Bandwidth is spacedly distributed.

In conjunction with third~the 6th any implementation of fourth aspect, in the 13rd kind of implementation of fourth aspect In, at least one candidate's demodulation pilot frequency design, the time interval that all zero energy demodulation pilot signals occupy is identical；Institute Stating time interval is first time interval.

In conjunction with the 13rd kind of implementation of fourth aspect, in the 14th kind of implementation of fourth aspect, at least one In a candidate demodulation pilot frequency design, the frequency bandwidth that the zero energy demodulation pilot signal in same time interval occupies exists It is spacedly distributed in first band width, the time interval is the second time interval, and second time interval is than described The small time interval of first time interval.

In conjunction with third~the 6th any implementation of fourth aspect, in the 15th kind of implementation of fourth aspect In, at least one candidate's demodulation pilot frequency design, the frequency bandwidth that the zero energy demodulation pilot signal occupies is identical.

In conjunction with the 15th kind of implementation of fourth aspect, in the 16th kind of implementation of fourth aspect at least one In candidate's demodulation pilot frequency design, time interval that the zero energy in same frequency band width demodulation pilot signal occupies is the It is spacedly distributed in three time intervals；The third time interval is the time interval bigger than the first time interval.

In conjunction with third~the 6th any implementation of fourth aspect, in the 17th kind of implementation of fourth aspect In, at least one candidate's demodulation pilot frequency design, the zero energy demodulation pilot signal is occupied in adjacent demodulation pilot signal Frequency bandwidth on the time interval that occupies it is different；The time interval is first time interval；And/or

In conjunction with the 17th kind of implementation of fourth aspect, in the 18th kind of implementation of fourth aspect, at least one In a candidate demodulation pilot frequency design, the time interval that the zero energy demodulation pilot signal occupies is spacedly distributed, the frequency of occupancy Bandwidth is spacedly distributed.

In conjunction with third~the 18th any implementation of fourth aspect, in the 19th kind of implementation of fourth aspect In, the time interval, the time span or unit orthogonal frequency division multiplexing of time span, unit time slot including unit subframe The time span of OFDM symbol.

In conjunction with third~the 18th any implementation of fourth aspect, in the 20th kind of implementation of fourth aspect In, the frequency bandwidth, the width of the frequency of the width or unit Physical Resource Block PRB of the frequency including unit subcarrier.

In conjunction with the third of fourth aspect or fourth aspect~the 20th any implementation, the second of fourth aspect In a kind of ten implementations, the acquisition module is specifically used for: receiving second network equipment and passes through dynamic signaling or high-rise letter Enable at least two candidate pilots pattern sent.

In conjunction with a kind of the 20th implementation of fourth aspect, in the 22nd kind of implementation of fourth aspect, institute Stating first network equipment is user equipment, and second network equipment is base station；Or,

In conjunction with a kind of the 20th implementation of fourth aspect, in the 23rd kind of implementation of fourth aspect, institute It states dynamic signaling or high-level signaling is that cell is specific；Or,

The dynamic signaling or high-level signaling are that user is specific.

In conjunction with the first~the 23rd any implementation of fourth aspect or fourth aspect, the of fourth aspect In 24 kinds of implementations, the acquisition module is specifically used for: receive second network equipment by dynamic signaling or The pilot frequency design in at least two candidate pilots pattern that high-level signaling is sent.

5th aspect, the embodiment of the present invention provide a kind of second network equipment, comprising:

Processor and memory, the memory storage execute instruction, when second network equipment operation, the place It communicates between reason device and the memory, executes instruction described in the processor execution so that second network equipment executes such as Method described in any one of first aspect.

6th aspect, the embodiment of the present invention provide a kind of first network equipment, comprising:

Processor and memory, the memory storage execute instruction, when first network equipment operation, the place It communicates between reason device and the memory, executes instruction described in the processor execution so that the first network equipment executes such as Method described in any one of second aspect.

The embodiment of the present invention demodulates pilot frequency collocation method and device, by second network equipment at least two with identical One is determined in the candidate demodulation pilot frequency design of port number, demodulation pilot signal is mapped on demodulation pilot frequency design, port number Equal to the number of plies of data flow；Wherein, at least two candidate demodulation pilot frequency designs with identical port number are different, and at least one A candidate demodulation pilot frequency design includes the physical resource unit RE and zero energy solution that non-zero power demodulation pilot signal occupies The physical resource unit RE for adjusting pilot signal to occupy, and by after mapping demodulation pilot signal and demodulation pilot signal with confidence Breath is sent to first network equipment, realizes the demodulation pilot frequency design different to different first network device configurations, avoids pair The interference of other first network equipment, therefore can increase users multiplexing number solves matching for DMRS pilot tone in the prior art The problem of setting the pilot frequency multiplexing for being unable to satisfy the user increased.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is demodulation pilot signal configuration schematic diagram in the prior art；

Fig. 2 is the flow chart of present invention demodulation pilot signal configuration method embodiment one；

Fig. 3 is the candidate demodulation pilot frequency design schematic diagram one of embodiment of the present invention method one；

Fig. 4 is the candidate demodulation pilot frequency design schematic diagram two of embodiment of the present invention method one；

Fig. 5 is the candidate demodulation pilot frequency design schematic diagram one of embodiment of the present invention method two；

Fig. 5 A is the candidate demodulation pilot frequency design schematic diagram two of embodiment of the present invention method two；

Fig. 6 is the candidate demodulation pilot frequency design schematic diagram three of embodiment of the present invention method two；

Fig. 7 is the candidate demodulation pilot frequency design schematic diagram four of embodiment of the present invention method two；

Fig. 8 is the candidate demodulation pilot frequency design schematic diagram five of embodiment of the present invention method two；

Fig. 9 is the candidate demodulation pilot frequency design schematic diagram six of embodiment of the present invention method two；

Figure 10 is the candidate demodulation pilot frequency design schematic diagram seven of embodiment of the present invention method two；

Figure 11 is the candidate demodulation pilot frequency design schematic diagram eight of embodiment of the present invention method two；

Figure 12 is the candidate demodulation pilot frequency design schematic diagram nine of embodiment of the present invention method two；

Figure 13 is the candidate demodulation pilot frequency design schematic diagram one of embodiment of the present invention method three；

Figure 14 is the structural schematic diagram of inventive network apparatus embodiments one；

Figure 15 is the structural schematic diagram of first network apparatus embodiments one of the present invention；

Figure 16 is the structural schematic diagram of inventive network apparatus embodiments two；

Figure 17 is the structural schematic diagram of first network apparatus embodiments two 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 creative efforts, shall fall within the protection scope of the present invention.

Fig. 2 is the flow chart of present invention demodulation pilot signal configuration method embodiment one.Fig. 3 is embodiment of the present invention method One candidate demodulation pilot frequency design schematic diagram one；Wherein, the pattern can refer to a corresponding positional relationship, the correspondence Positional relationship instruction pilot signal locating for subcarrier and OFDM symbol position.Fig. 4 is embodiment of the present invention method one Candidate's demodulation pilot frequency design schematic diagram two.The executing subject of the present embodiment can be second network equipment such as base station.The present embodiment Scheme apply between second network equipment and first network equipment, carry out demodulation pilot signal configuration.The present invention is implemented First network equipment can be user equipment in example, and second network equipment can be base station；Or first network equipment and the second net Network equipment is all user equipment；Or, first network equipment and second network equipment are all the network equipment (such as base station).Such as Fig. 2 Shown, the method for the present embodiment may include:

Step 201, second network equipment determine in at least two candidate demodulation pilot frequency designs with identical port number One, demodulation pilot signal is mapped on the corresponding running time-frequency resource of demodulation pilot frequency design, port number is equal to the number of plies of data flow； Wherein, at least two candidate demodulation pilot frequency designs with identical port number are different, and at least one candidate's demodulation pilot patterns Case includes the physical resource unit RE that non-zero power demodulation pilot signal occupies and the physics that zero energy demodulation pilot signal occupies Resource unit RE.

It specifically, is as shown in Figure 3,4 two kinds of candidate demodulation pilot frequency designs, at least two candidates in the embodiment of the present invention Determine that demodulation pilot signal is mapped in the demodulation pilot frequency design by one of them in demodulation pilot frequency design, described at least two wait The corresponding port number of choosing demodulation pilot frequency design must be identical, and port number is equal to the number of plies of data flow, second network equipment such as base station One is selected in at least two candidate demodulation pilot frequency designs with identical port number, demodulation pilot signal is mapped to demodulation On pilot frequency design,；Above-mentioned candidate demodulation pilot frequency design refers to that base station is that first network equipment such as user equipment (UE) distributes single physical The demodulation pilot frequency design that resource block uses when carrying out channel estimation to PRB pair.Each candidate demodulation pilot frequency design includes multiple RE, greyWith grey gridRE is the demodulation occupied RE of pilot signal, the RE of oblique line portionRepresent public guide frequency. Port number refers to logical antenna ports number, equal to the number of plies of data flow.

Wherein, at least two candidate demodulation pilot frequency designs with identical port number are different, and each candidate demodulation is led Frequency pattern includes that the physical resource unit RE that non-zero power demodulation pilot signal occupies and zero energy demodulation pilot signal occupy Physical resource unit RE.As shown in figure 3, the RE that non-zero power DMRS is occupied be the 2nd, 7,12 subcarriers (in Fig. 3 from the bottom up Number) on the 6th, 7 OFDM (count) RE (grey RE) on the position of symbol from left to right, the RE that zero energy DMRS is occupied be 2nd, 7, the RE (grey grid RE) on the position of the 13rd, 14 OFDM symbol on 12 subcarriers.

Optionally, at least two candidate demodulation pilot frequency designs with identical port number are different, comprising:

In at least one candidate's demodulation pilot frequency design, non-zero power demodulates the position for the RE that pilot signal occupies, and corresponds to it In at least one remaining candidate pilot pattern, zero energy demodulates the position for the RE that pilot signal occupies.

It should be noted that being only illustrated using first network equipment as user equipment (UE) in the embodiment of the present invention, but simultaneously It is not limited, the solution of the present invention can be also used between the network equipment or between user equipment.

Specifically, in candidate demodulation pilot frequency design as shown in Figure 4, RE and zero energy DMRS that non-zero power DMRS is occupied The physical resource unit RE of occupancy and exactly the opposite in candidate demodulation pilot frequency design shown in Fig. 3, i.e. in Fig. 4 non-zero power In the RE corresponding diagram 3 that zero energy DMRS in the RE that the zero energy DMRS in RE corresponding diagram 3 that DMRS is occupied is occupied, Fig. 4 is occupied Non-zero power DMRS occupy RE.

The mode that the multiplexing of DMRS is combined using different orthogonal intersections and different scrambling codes.Orthogonal intersection is to answer With on the RE where the two adjacent OFDM symbols of DMRS.Wherein, using the configuration mode in Fig. 3,4, there can be 4 respectively User equipment carries out MU MIMO multiplexing, that is, shares 8 user equipmenies and be multiplexed, UE1, UE2, UE3, UE4, UE5, UE6, UE7, UE8.By UE1, UE2, UE5, UE6 points use configuration mode as shown in Figure 3 for one group, i.e. UE1, UE2, UE5, UE6 are Demodulation pilot signal is sent using the RE on the position of the 6th, 7 OFDM symbol on 2,7,12 subcarriers；UE3, UE4, UE7, UE8 point uses configuration mode as shown in Figure 4, i.e. UE3, UE4 for one group, and UE7, UE8 use the on 2,7,12 subcarriers 13, the RE on the position of 14 OFDM symbols sends demodulation pilot signal；UE1 is corresponded to orthogonal intersection (1,1), scrambling code according to Nscid0 is generated；UE2 corresponds to orthogonal intersection (1, -1), and same scrambling code is generated according to nscid0；Therefore UE1 and UE2 is completely just It hands over.UE5 corresponds to orthogonal intersection (1,1), and scrambling code is generated according to nscid1；UE6 corresponds to orthogonal intersection (1, -1), same scrambling code It is generated according to nscid1；Therefore UE5 and UE6 is completely orthogonal.And UE1 is identical as although orthogonal intersection that UE5 is used but disturbs Code is different, does not also generate interference.What corresponding (1,1) spreading code of UE1 and UE5 indicated is on the subcarrier where each pilot tone Two RE of the 6th and the 7th OFDM symbol spread using (1,1), what (1, -1) of UE2 and UE6 indicated is each Two RE of the 6th and the 7th OFDM symbol on the subcarrier where pilot tone are spread using (1, -1)；UE3 corresponds to orthogonal Spreading code (1,1), scrambling code is generated according to nscid0, and UE4 corresponds to orthogonal intersection (1, -1), and scrambling code is generated according to nscid0；Cause This UE3 and UE4 are completely orthogonal.UE7 corresponds to orthogonal intersection (1,1), and scrambling code is generated according to nscid1, and UE8 corresponds to orthogonal spectrum expansion Code (1, -1), scrambling code is generated according to nscid1；Therefore UE7 and UE8 is completely orthogonal；UE3 and UE7 corresponding (1,1) spreads code table What is shown is that two RE of the 13rd and the 14th OFDM symbol on the subcarrier where each pilot tone are expanded using (1,1) Frequently；What corresponding (1, -1) spreading code of UE4 and UE8 indicated is the 13rd and the 14th on the subcarrier where each pilot tone Two RE of OFDM symbol are spread using (1, -1).Wherein, the non-zero power demodulation pilot tone letter of UE1, UE2, UE5 and UE6 The position RE that the zero energy demodulation pilot signal of number RE occupied and UE3, UE4, UE7 and UE8 occupy is identical, therefore UE3, UE4, UE7 and UE8 will not generate interference to the pilot tone of UE1, UE2, UE5 and UE6；The zero energy of UE1, UE2, UE5 and UE6 demodulate pilot tone The position RE that the non-zero power demodulation pilot signal of the RE that signal occupies and UE3, UE4, UE7 and UE8 occupy is identical, therefore UE1, UE2, UE5 and UE6 will not generate interference to the pilot tone of UE3, UE4, UE7 and UE8.

As shown in Fig. 1,3,4,6 users UE1, UE2, UE3 can also be shared, UE4, UE5, it is multiple that UE6 carries out MU MIMO With.By UE2, mono- group of UE5 uses configuration mode as shown in Figure 3, i.e. UE2 and UE5 use the 6th, 7 on 2,7,12 subcarriers RE on the position of a OFDM symbol sends demodulation pilot signal；UE3, UE6 points use configuration side as shown in Figure 4 for one group Formula, i.e. UE3 and UE6 all use the RE on the position of the 13rd, 14 OFDM symbol on 2,7,12 subcarriers to send demodulation pilot tone Signal；UE1 and UE4 is using configuration mode as shown in Figure 1 in the prior art；That is UE1 and UE4 is used on 2,7,12 subcarriers The 6th, 7 and the 13rd, 14 OFDM symbols position on RE send demodulation pilot signal；UE1 correspond to orthogonal intersection (1,1, 1,1) what is indicated is two RE of the 6th and the 7th OFDM symbol on the subcarrier where each pilot tone using (1,1) progress Spread spectrum, two RE of the 13rd and the 14th OFDM symbol also use (1,1) to be spread, and scrambling code is generated according to nscid0；UE2 pairs Orthogonal intersection (1, -1) is answered, same scrambling code is generated according to nscid0；UE1 and UE2 are completely orthogonal, do not generate interference；UE5 is corresponding Orthogonal intersection (1, -1), scrambling code is generated according to nscid1.And UE2 is identical as although orthogonal intersection that UE5 is used but disturbs Code is different, does not also generate interference；What corresponding (1, -1) spreading code of UE2 and UE5 indicated is in the subcarrier where each pilot tone On two RE of the 6th and the 7th OFDM symbol spread using (1, -1).UE3 corresponds to orthogonal intersection (1, -1), scrambling code It is generated according to nscid0, UE4 is corresponded to orthogonal intersection (1,1,1,1), and scrambling code generates (same to UE1) according to nscid1；UE3 and UE4 It is completely orthogonal, interference is not generated；UE6 corresponds to orthogonal intersection (1, -1), and scrambling code is generated according to nscid1；UE3 and UE6 are corresponding What (1, -1) spreading code indicated is that two RE of the 13rd and the 14th OFDM symbol on the subcarrier where each pilot tone are adopted It is spread with (1, -1).Wherein, UE1 and UE4 is that existing UE can only use configuration mode as shown in Figure 1.UE2, UE5's The position RE that non-zero power demodulates the zero energy demodulation pilot signal occupancy of the RE that pilot signal occupies and UE3, UE6 is identical, because This UE3 and UE6 will not generate interference to the pilot tone of UE2 and UE5.The RE that the non-zero power demodulation pilot signal of UE3, UE6 occupy It is identical with the position RE that the zero energy of UE2, UE5 demodulation pilot signal occupy, therefore UE2 and UE5 will not lead UE3 and UE6 Frequency generates interference.

As shown in Fig. 1,3,4,7 users UE1, UE2, UE3, UE4, UE5 can also be shared, UE6, UE7 carry out MU MIMO Multiplexing.By UE2, UE4, UE5 points use configuration mode as shown in Figure 3 for one group, i.e. UE2, UE4 and UE5 uses 2,7,12 RE on the position of the 6th, 7 OFDM symbol on subcarrier sends demodulation pilot signal；UE3, UE6, UE7 points are one group of use Configuration mode as shown in Figure 4, UE3, UE6 and UE7 use the position of the 13rd, 14 OFDM symbol on 2,7,12 subcarriers On RE send demodulation pilot signal；UE1 is using configuration mode as shown in Figure 1 in the prior art, i.e. UE1 is using 2,7,12 sons The 6th, 7 and the 13rd on carrier wave, 14 OFDM symbols position on RE send demodulation pilot signal；UE1 corresponds to orthogonal spectrum expansion What code (1,1,1,1) indicated is two RE use of the 6th and the 7th OFDM symbol on the subcarrier where each pilot tone (1,1) is spread, and two RE of the 13rd and the 14th OFDM symbol also use (1,1) to be spread, and scrambling code is according to nscid0 It generates；UE2 corresponds to orthogonal intersection (1, -1), and same scrambling code is generated according to nscid0；UE1 and UE2 are completely orthogonal, do not generate dry It disturbs；UE4 corresponds to orthogonal intersection (1,1), and scrambling code is generated according to nscid1, and UE5 is corresponded to orthogonal intersection (1, -1), scrambling code according to Nscid1 is generated, and UE4 and UE5 are completely orthogonal, do not generate interference；And UE2 is identical as although orthogonal intersection that UE5 is used still Scrambling code is different, does not also generate interference；What corresponding (1, -1) spreading code of UE2 and UE5 indicated is carried in the son where each pilot tone Two RE of the 6th and the 7th OFDM symbol on wave are spread using (1, -1).Corresponding (1,1) spreading code of UE4 indicates It is that two RE of the 6th and the 7th OFDM symbol on the subcarrier where each pilot tone are spread using (1,1)；UE3 pairs Orthogonal intersection (1, -1) is answered, scrambling code is generated according to nscid0；UE6 corresponds to orthogonal intersection (1,1), and scrambling code is produced according to nscid1 It is raw；UE7 corresponds to orthogonal intersection (1, -1), and scrambling code is generated according to nscid1, and UE6 and UE7 are completely orthogonal, does not generate interference；And UE3 is identical as although orthogonal intersection that UE7 is used but scrambling code is different, does not also generate interference；UE3 and UE7 it is corresponding (1 ,- 1) what spreading code indicated be the 6th and the 7th OFDM symbol on the subcarrier where each pilot tone two RE using (1 ,- 1) it is spread.What corresponding (1,1) spreading code of UE6 indicated is the 6th and the 7th on the subcarrier where each pilot tone Two RE of OFDM symbol are spread using (1,1).Wherein, UE1 is that existing UE can only use configuration side as shown in Figure 1 Formula.The zero energy demodulation pilot tone letter for RE and UE3, UE6 and the UE7 that the non-zero power demodulation pilot signal of UE2, UE4 and UE5 occupy Number occupy the position RE it is identical, therefore UE3, UE6 and UE7 will not to the pilot tone of UE2, UE4 and UE5 generate interference；UE2, UE4 and The position RE that the non-zero power demodulation pilot signal of RE and UE3, UE6 and UE7 that the zero energy demodulation pilot signal of UE5 occupies occupy Set it is identical, therefore UE2, UE4 and UE5 will not to the pilot tone of UE3, UE6 and UE7 generate interference.

In at least one candidate's demodulation pilot frequency design, the position for the RE that all non-zero power demodulation pilot signals occupy and institute The position for the RE for having zero energy demodulation pilot signal to occupy, corresponds in remaining at least one candidate pilot pattern, non-zero power solution The position for the RE for adjusting pilot signal to occupy.

Specifically, the candidate as shown in Fig. 3 or 4 demodulates in pilot frequency design, RE that all non-zero power DMRS are occupied and The non-zero power in physical resource unit RE and candidate demodulation pilot frequency design shown in FIG. 1 that all zero energy DMRS are occupied demodulates The position for the RE that pilot signal occupies is corresponding.

Step 202, second network equipment send out the configuration information of demodulation pilot signal and demodulation pilot signal after mapping Give first network equipment.

Specifically, second network equipment by the above-mentioned demodulation pilot signal being mapped on demodulation pilot frequency design and demodulates pilot tone The configuration information of signal is sent to first network equipment, demodulates the configuration information instruction of pilot signal:

Non-zero power demodulates the physical resource unit that pilot signal occupies；Or

Zero energy demodulates the physical resource unit that pilot signal occupies；Or

Spreading code；Or

At least one of scrambling code information.

The present embodiment, through second network equipment in at least two candidate demodulation pilot frequency designs with identical port number It determines one, demodulation pilot signal is mapped on the corresponding running time-frequency resource of demodulation pilot frequency design, port number is equal to data flow The number of plies；Wherein, at least two candidate demodulation pilot frequency designs with identical port number are different, and at least one described candidate solution Adjusting pilot frequency design includes that the physical resource unit RE of non-zero power demodulation pilot signal occupancy and zero energy demodulation pilot signal account for Physical resource unit RE, and the configuration information of demodulation pilot signal and demodulation pilot signal after mapping is sent to first The network equipment realizes the demodulation pilot frequency design different to different first network device configurations, avoids to other first networks The interference of equipment, therefore can increase users multiplexing number, the configuration for solving DMRS in the prior art, which is unable to satisfy, to be increased The problem of pilot frequency multiplexing of user.

Fig. 5 is the candidate demodulation pilot frequency design schematic diagram one of embodiment of the present invention method two.Fig. 5 A is that the method for the present invention is real Apply the candidate demodulation pilot frequency design schematic diagram two of example two.Fig. 6 is that the candidate demodulation pilot frequency design of embodiment of the present invention method two shows It is intended to three.Fig. 7 is the candidate demodulation pilot frequency design schematic diagram four of embodiment of the present invention method two.Fig. 8 is the method for the present invention implementation The candidate demodulation pilot frequency design schematic diagram five of example two.Fig. 9 is the candidate demodulation pilot frequency design signal of embodiment of the present invention method two Figure six.Figure 10 is the candidate demodulation pilot frequency design schematic diagram seven of embodiment of the present invention method two.Figure 11 is the method for the present invention implementation The candidate demodulation pilot frequency design schematic diagram eight of example two.Figure 12 is the candidate demodulation pilot frequency design signal of embodiment of the present invention method two Figure nine.On the basis of embodiment of the method shown in Fig. 1, in the present embodiment, at least one candidate's demodulation pilot frequency design, at least one The time interval and at least one zero energy demodulation pilot signal that a non-zero power demodulation pilot signal occupies occupy when Between be spaced different, and the frequency bandwidth that occupies of non-zero power demodulation pilot signal and zero energy demodulation pilot signal occupy Frequency bandwidth it is also different.

Or

In at least one candidate's demodulation pilot frequency design, the time interval of all non-zero power demodulation pilot signals occupancy It is different with the time interval that all zero energys demodulation pilot signal occupies, and all non-zero power demodulation pilot signals account for The frequency bandwidth that frequency bandwidth and all zero energys demodulation pilot signal occupy is also different.

Specifically, in candidate demodulation pilot frequency design as shown in Figure 5, the RE that non-zero power DMRS is occupied is in the 2nd, 7,12 The the 6th, 7 OFDM on subcarrier (counting from the bottom up in Fig. 5) (counts) RE (grey RE) on the position of symbol from left to right, and zero The RE that power DMRS is occupied is RE (the grey grid on the position of the 13rd, 14 OFDM symbol on the 1st, 6,11 subcarriers RE).The time interval that all non-zero power demodulation pilot signals occupy is the time span of first time slot, all zero powers Rate demodulates the time span that the time interval that pilot signal occupies is second time slot, therefore all non-zero power demodulation are led The time interval that frequency signal occupies and the time interval that all zero energys demodulation pilot signal occupies are different and all described non- It is the 2nd, 7,12 subcarriers that zero energy, which demodulates the frequency bandwidth that pilot signal occupies, and all zero energys demodulate pilot signal The frequency bandwidth of occupancy is the 1st, 6, the width of the frequencies of 11 subcarriers, therefore all non-zero power demodulation pilot signals account for The frequency bandwidth that frequency bandwidth and all zero energys demodulation pilot signal occupy is also different.

The multiplex mode of DMRS can be in the following way: using the configuration mode in Fig. 5, Fig. 5 A, can there is 4 respectively User carries out MU MIMO multiplexing, that is, shares 8 users and be multiplexed, UE1, UE2, UE3, UE4, UE5, UE6, UE7, UE8.It will UE1, UE2, UE5, UE6 points use configuration mode as shown in Figure 5 for one group, i.e. UE1, UE2, UE5, UE6 use 2,7,12 RE on the position of the 6th, 7 OFDM symbol on subcarrier sends demodulation pilot signal；UE3, UE4, UE7, UE8 points are one group Using configuration mode as shown in Figure 5A, i.e. UE3, UE4, UE7, UE8 uses the 13rd, 14 OFDM on 1,6,11 subcarriers RE on the position of symbol sends demodulation pilot signal；UE1 corresponds to orthogonal intersection (1,1), and scrambling code is generated according to nscid0； UE2 corresponds to orthogonal intersection (1, -1), and same scrambling code is generated according to nscid0；Therefore UE1 and UE2 is completely orthogonal.UE5 is corresponding just It hands over spreading code (1,1), scrambling code is generated according to nscid1；UE6 corresponds to orthogonal intersection (1, -1), and same scrambling code is produced according to nscid1 It is raw；Therefore UE5 and UE6 is completely orthogonal.And UE1 is identical as although orthogonal intersection that UE5 is used but scrambling code is different, also do not produce Raw interference；What corresponding (1,1) spreading code of UE1 and UE5 indicated is the 6th and the 7th on the subcarrier where each pilot tone Two RE of OFDM symbol are spread using (1,1), and what (1, -1) of UE2 and UE6 indicated is in the son where each pilot tone Two RE of the 6th and the 7th OFDM symbol on carrier wave are spread using (1, -1).UE3 corresponds to orthogonal intersection (1,1), Scrambling code is generated according to nscid0, and UE4 corresponds to orthogonal intersection (1, -1), and scrambling code is generated according to nscid0；Therefore UE3 and UE4 is complete It is complete orthogonal.UE7 corresponds to orthogonal intersection (1,1), and scrambling code is generated according to nscid1, and UE8 corresponds to orthogonal intersection (1, -1), scrambling code It is generated according to nscid1；Therefore UE7 and UE8 is completely orthogonal；What corresponding (1,1) spreading code of UE3 and UE7 indicated is led each Two RE of the 13rd and the 14th OFDM symbol on subcarrier where frequency are spread using (1,1), and UE4 and UE8 are corresponding (1, -1) indicate is that two RE of the 13rd and the 14th OFDM symbol on the subcarrier where each pilot tone are used (1, -1) is spread.Wherein, UE1, UE2, UE5 and UE6 non-zero power demodulation pilot signal occupy RE and UE3, UE4, UE7 and UE8 zero energy demodulation pilot signal occupy the position RE it is identical, therefore UE3, UE4, UE7 and UE8 will not to UE1, The pilot tone of UE2, UE5 and UE6 generate interference；The RE and UE3 of the zero energy demodulation pilot signal occupancy of UE1, UE2, UE5 and UE6, The position RE that the non-zero power demodulation pilot signal of UE4, UE7 and UE8 occupy is identical, therefore UE1, UE2, UE5 and UE6 will not be right The pilot tone of UE3, UE4, UE7 and UE8 generate interference.

There can also be user's multiplex mode of other numbers, similar with embodiment one, details are not described herein again.

Optionally, at least one candidate's demodulation pilot frequency design, the time of all non-zero power demodulation pilot signals occupancy It is different to be spaced the time interval occupied with all zero energys demodulation pilot signal.

Specifically, above situation can be using candidate demodulation pilot frequency design as shown in Figure 3,4, as shown in figure 3, all institutes The time span that the time interval that non-zero power demodulation pilot signal occupies is first time slot is stated, all zero energys demodulate pilot tone The time interval that signal occupies is the time span of second time slot, therefore all non-zero power demodulation pilot signals occupy Time interval and the time interval that occupies of all zero energys demodulation pilot signal it is different, details are not described herein again.

Optionally, at least one candidate's demodulation pilot frequency design, the frequency band of all non-zero power demodulation pilot signals occupancy Width is different with the frequency bandwidth that all zero energys demodulation pilot signal occupies.

Specifically, in candidate demodulation pilot frequency design as shown in FIG. 6, the RE that non-zero power DMRS is occupied is to carry in the 12nd son RE (grey RE) on the position of the 6th, 7 OFDM symbol on wave, and the 13rd, the 14 OFDM symbol on the 12nd subcarrier Number position on RE (grey RE)；The RE that zero energy DMRS is occupied is the 6th, 7 OFDM symbol on the 2nd, 7 subcarriers RE (grey grid RE) on position, and the RE (ash on the position of the 13rd, 14 OFDM symbol on the 2nd, 7 subcarriers Color grid RE).The RE and zero energy DMRS that non-zero power DMRS in candidate demodulation pilot frequency design as shown in Figure 7 is occupied are occupied Physical resource unit RE and Fig. 6 in exactly the opposite, i.e. zero in RE corresponding diagram 6 that non-zero power DMRS in Fig. 7 is occupied The RE that the non-zero power DMRS in RE corresponding diagram 6 that zero energy DMRS in the RE that power DMRS is occupied, Fig. 7 is occupied is occupied.On It states all non-zero power demodulation pilot signals occupy in pattern frequency bandwidth and all zero energys and demodulates what pilot signal occupied Frequency bandwidth is different, and frequency bandwidth is, for example, the width of the frequency of subcarrier herein.Such candidate demodulation pilot frequency design can be with The sampling for increasing the time, improves the performance of channel estimation.

Candidate demodulation pilot frequency design as shown in Figure 8, Figure 9 is similar with Fig. 6, candidate demodulation pilot frequency design shown in Fig. 7, this Place repeats no more.

As shown in Figure 10, the frequency bandwidth and institute that all non-zero power demodulation pilot signals of candidate demodulation pilot frequency design occupy The frequency bandwidth for having zero energy demodulation pilot signal to occupy is different, and frequency bandwidth is, for example, the width of the frequency of PRB herein.Non-zero The RE that power DMRS is occupied is second PRB pair (counting from the bottom up) on the 2nd, 7,12 subcarriers (counting from the bottom up) 6th, 7 and 13,14 OFDM (count) RE (grey RE) on the position of symbol from left to right, and the RE that zero energy DMRS is occupied is the One PRB pair (counting from the bottom up) is on the position of the 6th, 7 and 13,14 OFDM symbols on the 2nd, 7,12 subcarriers RE (grey grid RE).

Optionally, time interval, the time span or unit of time span, unit time slot including unit subframe are orthogonal The time span of frequency division multiplex OFDM symbol.

Optionally, frequency bandwidth, the frequency of the width or unit Physical Resource Block PRB of the frequency including unit subcarrier Width.

Optionally, at least one candidate's demodulation pilot frequency design, non-zero power demodulation pilot signal and zero energy demodulation are led The time interval that frequency signal occupies on the frequency bandwidth where adjacent demodulation pilot signal is different；When time interval is first Between be spaced；And/or

In at least one candidate's demodulation pilot frequency design, non-zero power demodulation pilot signal and zero energy demodulation pilot signal exist The frequency bandwidth occupied in time interval where adjacent demodulation pilot signal is different；Time interval is first time interval.

Specifically, in candidate demodulation pilot frequency design as shown in figure 11, the RE that non-zero power DMRS is occupied is in the 2nd, 12 RE (grey RE) on the position of the 6th, 7 OFDM symbol on subcarrier, and the 13rd, 14 on the 7th subcarrier RE (grey RE) on the position of OFDM symbol；The RE that zero energy DMRS is occupied is the 6th, the 7 OFDM symbol on the 7th subcarrier Number position on RE (grey grid RE), and on the position of the 13rd, 14 OFDM symbol on the 2nd, 12 subcarriers RE (grey grid RE).I.e. when the non-zero power DMRS on the subcarrier such as 2,7 where adjacent demodulation pilot signal is occupied Between interval be respectively first time slot and second time slot time span, and zero energy DMRS occupy time interval be respectively The time span of second time slot and first time slot, i.e. time interval are different, and time interval at this time is time slot；Or, in phase The subcarrier difference that non-zero power on adjacent time slot is occupied with zero energy DMRS.Candidate demodulation pilot frequency design as shown in figure 12 In non-zero power DMRS occupy RE and zero energy DMRS occupy physical resource unit RE and Figure 11 in it is exactly the opposite, i.e., Zero energy DMRS in the RE that the zero energy DMRS in RE corresponding diagram 11 that non-zero power DMRS in Figure 12 is occupied is occupied, Figure 12 The RE that non-zero power DMRS in the RE corresponding diagram 11 of occupancy is occupied.

The sampling that the time can be increased for the candidate demodulation pilot frequency design in Fig. 3, Fig. 4 in this way, improves channel The performance of estimation.

The multiplex mode of DMRS can be in the following way: using the configuration mode in Figure 11,12, can there is 4 respectively User carries out MU MIMO multiplexing, that is, shares 8 users and be multiplexed, UE1, UE2, UE3, UE4, UE5, UE6, UE7, UE8.It will UE1, UE2, UE5, UE6 points use configuration mode as shown in figure 11 for one group, i.e. UE1, UE2, UE5, UE6 use the 2nd, 12 The position of the 13rd, 14 OFDM symbol on RE and the 7th subcarrier on the position of the 6th, 7 OFDM symbol on subcarrier On RE send demodulation pilot signal；UE3, UE4, UE7, UE8 points use configuration mode as shown in figure 12 for one group, with Figure 11 Exactly the opposite, i.e. UE3, UE4, UE7, UE8 use the RE on the position of the 13rd, 14 OFDM symbol on the 2nd, 12 subcarriers And the RE on the position of the 7th the 6th, 7 OFDM symbol on subcarrier sends demodulation pilot signal.UE1 is carried in the 2nd, 12 sons Orthogonal intersection (1,1) is corresponded on wave, corresponds to orthogonal intersection (1,1) on the 7th subcarrier, and scrambling code is generated according to nscid0； UE2 corresponds to orthogonal intersection (1, -1) on the 2nd, 12 subcarriers, corresponds to orthogonal intersection (1, -1), UE2 on the 7th subcarrier Completely orthogonal with UE1, same scrambling code is generated according to nscid0.UE5, UE6 orthogonal intersection phase corresponding with UE1, UE2 respectively Together, scrambling code is generated according to nscid1；Therefore UE5 and UE6 is completely orthogonal.And although UE1 and UE5 and UE2 and UE6 are used just Friendship spreading code is identical but scrambling code is different, does not also generate interference；What corresponding (1,1) spreading code of UE1 and UE5 indicated is in pilot tone Two RE of the 6th and the 7th OFDM symbol on the subcarrier 2,12 at place are spread using (1,1) and pilot tone place Subcarrier 7 on two RE of the 13rd and the 14th OFDM symbol spread using (1,1), UE2 and UE6 and UE1 and UE5 It is similar.UE3 corresponds to orthogonal intersection (1,1) on the 2nd, 12 subcarriers, corresponds to orthogonal intersection (1,1) on the 7th subcarrier, Scrambling code is generated according to nscid0, and UE4 corresponds to orthogonal intersection (1, -1) on the 2nd, 12 subcarriers, corresponds on the 7th subcarrier Orthogonal intersection (1, -1), UE4 use completely orthogonal with UE3, scrambling code are generated according to nscid0.UE7, UE8 respectively with UE3, UE4 couple The orthogonal intersection answered is identical, and scrambling code is generated according to nscid1；Therefore UE7 and UE8 is completely orthogonal.And UE3 and UE7 and UE4 It is identical as although orthogonal intersection that UE8 is used but scrambling code is different, interference is not generated yet；UE3 and UE7 corresponding (1,1) expands What frequency code indicated be the 13rd and the 14th OFDM symbol on the subcarrier 2,12 where pilot tone two RE using (1,1) into Two RE of the 6th and the 7th OFDM symbol on subcarrier 7 where row spread spectrum and pilot tone are spread using (1,1), UE4 and UE8 is similar with UE3 and UE7.Wherein, UE1, UE2, UE5 and UE6 non-zero power demodulation pilot signal occupy RE and The position RE that the zero energy demodulation pilot signal of UE3, UE4, UE7 and UE8 occupy is identical, therefore UE3, UE4, UE7 and UE8 will not Interference is generated to the pilot tone of UE1, UE2, UE5 and UE6；The RE that the zero energy demodulation pilot signal of UE1, UE2, UE5 and UE6 occupy It is identical with the position RE that the non-zero power demodulation pilot signal of UE3, UE4, UE7 with UE8 occupy, therefore UE1, UE2, UE5 and UE6 Interference will not be generated to the pilot tone of UE3, UE4, UE7 and UE8.

Can also there are 6 and 7 user's multiplexings, similar with embodiment of the method one, details are not described herein again.

The present embodiment, by the way that at least one candidate's demodulation pilot frequency design, non-zero power demodulates the RE that pilot signal occupies Position, in remaining corresponding at least one candidate pilot pattern, zero energy demodulates the position for the RE that pilot signal occupies, and realizes The demodulation pilot frequency design different to different first network device configurations, avoids the interference to other first network equipment, therefore Users multiplexing number can be increased, the configuration for solving DMRS in the prior art is unable to satisfy the pilot frequency multiplexing of the user increased Problem.

Figure 13 is the candidate demodulation pilot frequency design schematic diagram one of embodiment of the present invention method three.In embodiment of the method one, two On the basis of, in the first implementation in the present embodiment:

In at least one candidate's demodulation pilot frequency design, the time interval phase of all non-zero power demodulation pilot signals occupancy Together；The time interval is first time interval.

In at least one candidate's demodulation pilot frequency design, the time interval that all zero energy demodulation pilot signals occupy is identical； The time interval is first time interval.

Specifically, at least one candidate's demodulation pilot frequency design can be candidate demodulation pilot frequency design as shown in Figure 3,4, institute The time slot for having non-zero power demodulation pilot signal to occupy is identical, and the time slot that all zero energy demodulation pilot signals occupy is identical, i.e., First time interval can be the time span of time slot.

Optionally, at least one candidate's demodulation pilot frequency design, the non-zero power in same time interval demodulates pilot tone The frequency bandwidth that signal occupies is spacedly distributed in first band width；The time interval is the second time interval, described Second time interval is the time interval smaller than the first time interval.

Optionally, at least one candidate's demodulation pilot frequency design, the zero energy demodulation in same time interval is led The frequency bandwidth that frequency signal occupies is spacedly distributed in first band width, and the time interval is the second time interval, institute Stating the second time interval is the time interval smaller than the first time interval.

Specifically, above situation can be using candidate demodulation pilot frequency design as shown in Figure 3,4, at this time between same time Pilot signal is demodulated every the non-zero power in (such as time span of identical time slot) or zero energy demodulates what pilot signal occupied Frequency bandwidth (such as width of the frequency of subcarrier) is spacedly distributed in first band width, and first band width can be The width of the frequency of PRB is at equal intervals, to be divided into 5 subcarriers in PRB, details are not described herein again.

Above-mentioned second time interval is smaller than first time interval, the second time interval be, for example, the time of OFDM symbol it is long Degree, first time interval is, for example, the time span of unit time slot.

In second of implementation in the present embodiment:

In at least one candidate's demodulation pilot frequency design, the frequency bandwidth phase of the non-zero power demodulation pilot signal occupancy Together.

In at least one candidate's demodulation pilot frequency design, the frequency bandwidth that the zero energy demodulation pilot signal occupies is identical.

Specifically, at least one candidate's demodulation pilot frequency design can be using candidate demodulation pilot frequency design as shown in FIG. 6, institute The subcarrier for having non-zero power demodulation pilot signal to occupy is identical, at least one candidate's demodulation pilot frequency design can be using such as Fig. 7 Shown in candidate demodulate pilot frequency design, the subcarrier that all zero energys demodulation pilot signals occupy is identical, i.e., above-mentioned frequency bandwidth It can be the width of the frequency of subcarrier；Alternatively, as shown in Figure 6,7, non-zero power demodulation pilot signal and zero energy demodulation are led Frequency signal occupies the width of the frequency of identical PRB pair.

Optionally, at least one candidate's demodulation pilot frequency design, the non-zero power demodulation in same frequency band width The time interval that pilot signal occupies is spacedly distributed in third time interval；The third time interval is than described first The big time interval of time interval.

Optionally, at least one candidate's demodulation pilot frequency design, the zero energy demodulation in same frequency band width is led The time interval that frequency signal occupies is spacedly distributed in third time interval；When the third time interval is than described first Between be spaced big time interval.

Specifically, above situation can demodulate pilot frequency design using such as Fig. 6, candidate shown in Fig. 10, in same frequency bandwidth Non-zero power demodulation pilot signal or zero power in degree (such as width of the width of the frequency of subcarrier, the frequency of PRB pair) The time interval that rate demodulation pilot signal occupies is divided at equal intervals in third time interval (such as time span of unit subframe) Cloth is spacedly distributed in subframe, be divided into 6 symbols；The third time interval is than the first time interval (example Such as the time span of time slot) big time interval.Details are not described herein again.

Above-mentioned third time interval is bigger than first time interval, third time interval be, for example, the time of unit subframe it is long Degree, the time span including two unit time slots, first time interval is, for example, the time span of unit time slot.

In the third implementation in the present embodiment:

In at least one candidate's demodulation pilot frequency design, the non-zero power demodulation pilot signal is believed in adjacent demodulation pilot tone The time interval occupied on frequency bandwidth where number is different；The time interval is first time interval；And/or

Optionally, at least one candidate's demodulation pilot frequency design, the zero energy demodulation pilot signal is in adjacent demodulation The time interval occupied on the frequency bandwidth that pilot signal occupies is different；The time interval is first time interval；And/or

Specifically, above situation can be led using candidate demodulation pilot frequency design as shown in Figure 11,12, non-zero power demodulation Frequency signal or zero energy demodulation pilot signal are in frequency bandwidth (such as the frequency of subcarrier where adjacent demodulation pilot signal Width) on the time interval that occupies it is different；The time interval is long for the time that first time interval is, for example, unit time slot Degree；And/or non-zero power demodulation pilot signal or zero energy demodulation pilot signal where adjacent demodulation pilot signal when Between on interval the frequency bandwidth (such as width of the frequency of subcarrier) that occupies it is different；The time interval is first time interval The e.g. time span of unit time slot.

As shown in figure 11, the RE that non-zero power DMRS is occupied is the 6th, 7 OFDM symbol on the 2nd, 12 subcarriers RE (grey RE) on RE (grey RE) on position, and the position of the 13rd, 14 OFDM symbol on the 7th subcarrier, The time interval that non-zero power DMRS i.e. on the subcarrier such as 2,7 where adjacent demodulation pilot signal is occupied is respectively first On the position of 13rd, 14 OFDM symbol of RE and second time slot on the position of the 6th, 7 OFDM symbol of a time slot The time interval that non-zero power DMRS on RE, subcarrier 7,12 is occupied is respectively the 13rd of second time slot the, 14 OFDM symbol Number position on RE and first time slot the 6th, 7 OFDM symbol position on RE；Zero energy DMRS occupy RE be RE (grey grid RE) on the position of the 6th, 7 OFDM symbol on the 7th subcarrier, and on the 2nd, 12 subcarriers RE (grey grid RE) on the position of 13rd, 14 OFDM symbol.I.e. it is adjacent demodulation pilot signal where subcarrier such as 2, the time interval that the zero energy DMRS on 7 is occupied is respectively on the position of the 13rd of second time slot the, 14 OFDM symbol RE on the position of 6th, 7 OFDM symbol of RE and first time slot, the zero energy DMRS on subcarrier 7,12 occupy when Between interval be respectively first time slot the 6th, 7 OFDM symbol position on the 13rd, 14 of RE and second time slot RE on the position of OFDM symbol, i.e., time interval is different on the subcarrier where adjacent demodulation pilot signal；Or, in phase The son that the subcarrier that non-zero power DMRS on adjacent time slot is occupied is different, zero energy DMRS on adjacent time slot is occupied carries Wave is different.

Optionally, at least one candidate's demodulation pilot frequency design, non-zero power demodulates the time interval that pilot signal occupies It is spacedly distributed, the frequency bandwidth of occupancy is spacedly distributed.

Optionally, at least one candidate's demodulation pilot frequency design, between the time that the zero energy demodulation pilot signal occupies Every being spacedly distributed, the frequency bandwidth of occupancy is spacedly distributed.

Specifically, candidate demodulation pilot frequency design, non-zero power demodulate pilot signal or zero energy demodulation as shown in fig. 13 that The time interval that pilot signal occupies is spacedly distributed, and the frequency bandwidth of occupancy is spacedly distributed, and time interval is, for example, unit The time span of OFDM symbol, frequency bandwidth are, for example, the width of the frequency of unit subcarrier.

The RE that non-zero power DMRS is occupied is the 7th, 14 on the 2nd, 7,12 subcarriers (counting from the bottom up in figure) OFDM (counts) RE (grey RE) on the position of symbol from left to right, and the RE that zero energy DMRS is occupied is in the 2nd, 7,12 subcarriers On the 6th, 13 OFDM symbol position on RE (grey grid RE)；What non-zero power DMRS and zero energy DMRS was occupied OFDM symbol is to be spacedly distributed in the time span of unit subframe, is divided into 6 OFDM symbols；Non-zero power DMRS and zero The subcarrier that power DMRS is occupied is to be spacedly distributed in the width of the frequency of PRB, is divided into 5 subcarriers.

Optionally, at least two candidate pilots pattern is sent to first network by dynamic signaling or high-level signaling Equipment.

Optionally, the dynamic signaling or high-level signaling are that cell is specific；Or,

The dynamic signaling or high-level signaling are that user is specific.

Optionally, a pilot frequency design in at least two candidate pilots pattern is passed through into dynamic signaling or high level Signaling is sent to first network equipment.

Specifically, the specific pilot frequency design for referring to that the network equipment is sent to the user in same cell of cell is identical, user The specific pilot frequency design for referring to that the network equipment is sent to the user in same user group of group is identical, and user is specific to refer to the network equipment The pilot frequency design sent to different users is different.

In present invention demodulation pilot signal configuration method example IV, the executing subject of the present embodiment can be the first net Network equipment, first network equipment are, for example, base station, user equipment or other network equipments.The scheme of the present embodiment is applied Between two network equipments and first network equipment, the configuration of demodulation pilot signal is carried out.The method of the present embodiment may include:

It specifically, is as shown in Figure 3,4 two kinds of candidate demodulation pilot frequency designs, the network equipment has same side at least two One is determined in the candidate demodulation pilot frequency design of mouth number, and demodulation pilot signal is mapped to and is demodulated on pilot frequency design, port number etc. In the number of plies of data flow；Above-mentioned candidate demodulation pilot frequency design refers to that base station is that first network equipment distributes single physical resource block pair PRB pair carries out the demodulation pilot frequency design used when channel estimation.Each candidate demodulation pilot frequency design includes multiple RE, grey It is that the demodulation occupied RE of pilot signal, the RE of oblique line portion represent public guide frequency with grey grid RE.Port number refers to logic day Line port number, equal to the number of plies of data flow.

First network equipment receives second network equipment for the above-mentioned demodulation pilot tone being mapped on candidate demodulation pilot frequency design Signal and the configuration information for demodulating pilot signal demodulate the configuration information instruction of pilot signal:

Spreading code；Or

At least one of scrambling code information.

Optionally, the described at least two candidate demodulation pilot frequency designs with identical port number are different, comprising:

Optionally, at least one candidate's demodulation pilot frequency design, at least one described non-zero power demodulation pilot signal is accounted for Time interval is different with the time interval that at least one zero energy demodulation pilot signal occupies, and the non-zero power solution The frequency bandwidth that frequency bandwidth and zero energy the demodulation pilot signal for adjusting pilot signal to occupy occupy is also different.

Optionally, at least one candidate's demodulation pilot frequency design, what all non-zero power demodulation pilot signals occupied Time interval is different with the time interval that all zero energys demodulation pilot signal occupies.

Optionally, at least one candidate's demodulation pilot frequency design, what all non-zero power demodulation pilot signals occupied Frequency bandwidth is different with the frequency bandwidth that all zero energys demodulation pilot signal occupies.

Optionally, at least one candidate's demodulation pilot frequency design, the non-zero power demodulation pilot signal and zero energy solution The time interval for adjusting pilot signal to occupy on the frequency bandwidth where adjacent demodulation pilot signal is different；The time interval For first time interval；And/or

Optionally, at least one candidate's demodulation pilot frequency design, what all non-zero power demodulation pilot signals occupied Time interval is identical；The time interval is first time interval.

Optionally, at least one candidate's demodulation pilot frequency design, the non-zero power demodulation in same time interval The frequency bandwidth that pilot signal occupies is spacedly distributed in first band width；The time interval is the second time interval, Second time interval is the time interval smaller than the first time interval.

Optionally, at least one candidate's demodulation pilot frequency design, the frequency band of the non-zero power demodulation pilot signal occupancy It is of same size.

Optionally, at least one candidate's demodulation pilot frequency design, the non-zero power demodulation pilot signal is in adjacent solution The time interval occupied on frequency bandwidth where tune pilot signal is different；The time interval is first time interval；With/ Or,

Optionally, at least one candidate's demodulation pilot frequency design, the time of the non-zero power demodulation pilot signal occupancy Interval is spacedly distributed, and the frequency bandwidth of occupancy is spacedly distributed.

Optionally, at least one candidate's demodulation pilot frequency design, all zero energys demodulation pilot signals occupy when Between be spaced it is identical；The time interval is first time interval.

Optionally, at least one candidate's demodulation pilot frequency design, the bandwidth of the zero energy demodulation pilot signal occupancy It spends identical.

Optionally, the time interval, the time span or unit of time span, unit time slot including unit subframe The time span of orthogonal frequency division multiplex OFDM symbol.

Optionally, the frequency bandwidth, the width of the frequency including unit subcarrier or the frequency of unit Physical Resource Block PRB The width of rate.

Optionally, first network equipment second network equipment of reception is sent described by dynamic signaling or high-level signaling At least two candidate pilot patterns.

Optionally, the first network equipment is user equipment, and second network equipment is base station；Or,

Specifically, technical solution of the present invention can be used between the network equipment and user equipment, the network equipment and network The transmitting and receiving of demodulation pilot frequency design is carried out between equipment.Optionally, the dynamic signaling or high-level signaling are that cell is specific 's；Or,

The dynamic signaling or high-level signaling are that user is specific.

Optionally, first network equipment second network equipment of reception is sent described by dynamic signaling or high-level signaling A pilot frequency design at least two candidate pilot patterns.

The present embodiment obtains demodulation pilot patterns according to the demodulation pilot configuration information received by first network equipment Case, and demodulation pilot signal is received according to corresponding demodulation pilot frequency design；The demodulation pilot frequency design is at least two with phase With one in the candidate demodulation pilot frequency design of port number, port number is equal to the number of plies of data flow；Wherein, at least two have phase It is different with the candidate demodulation pilot frequency design of port number, and at least one described candidate demodulation pilot frequency design includes non-zero power solution The physical resource unit RE that physical resource unit RE and zero energy the demodulation pilot signal for adjusting pilot signal to occupy occupy, realizes The demodulation pilot frequency design different to different first network device configurations, avoids the interference to other first network equipment, therefore Users multiplexing number can be increased, the configuration for solving DMRS in the prior art is unable to satisfy the pilot frequency multiplexing of the user increased Problem.

Figure 14 is the structural schematic diagram of the second network equipment embodiment one of the invention.As shown in figure 14, the present embodiment provides Second network equipment 140 include: mapping block 1401 and sending module 1402；Wherein mapping block 1401, at least One is determined in two candidate demodulation pilot frequency designs with identical port number, and demodulation pilot signal is mapped to the demodulation and is led On the corresponding running time-frequency resource of frequency pattern, the port number is equal to the number of plies of data flow；Wherein, described at least two have same side The candidate demodulation pilot frequency design of mouth number is different, and at least one described candidate pilot frequency design that demodulates includes that non-zero power demodulation is led The physical resource unit RE that physical resource unit RE and zero energy the demodulation pilot signal that frequency signal occupies occupy；

Sending module 1402, the configuration information hair for demodulation pilot signal and the demodulation pilot signal after mapping Give first network equipment.

The dynamic signaling or high-level signaling are that user is specific.

The network equipment of the present embodiment can be used for executing any technical solution of embodiment of the method one~tri-, The realization principle and technical effect are similar, and details are not described herein again.

Figure 15 is the structural schematic diagram of first network apparatus embodiments one of the present invention.As shown in figure 15, the present embodiment provides First network equipment 150 include: obtain module 1501；Module 1501 is wherein obtained, for according to the demodulation pilot tone received Configuration information obtains demodulation pilot frequency design, and receives demodulation pilot signal according to corresponding demodulation pilot frequency design；The demodulation Pilot frequency design is one in at least two candidate demodulation pilot frequency designs with identical port number, and the port number is equal to The number of plies of data flow；

Optionally, module 1501 is obtained, is specifically used for: receiving second network equipment and passes through dynamic signaling or high-level signaling At least two candidate pilots pattern sent.

The dynamic signaling or high-level signaling are that user is specific.

Optionally, module 1501 is obtained, is specifically used for: receiving second network equipment and passes through dynamic signaling or high-level signaling The pilot frequency design in at least two candidate pilots pattern sent.

The first network equipment of the present embodiment can be used for executing technical solution described in embodiment of the method four, realize Principle is similar with technical effect, and details are not described herein again.

Figure 16 is the structural schematic diagram of the second network equipment embodiment two of the invention.As shown in figure 16, the present embodiment provides Second network equipment 160 include processor 1601 and memory 1602.Second network equipment 160 can also include transmitter 1603, receiver 1604.Transmitter 1603 can be connected with receiver 1604 with processor 1601.Wherein, transmitter 1603 is used In sending data or information, for receiving data or information, the storage of memory 1602 executes instruction receiver 1604, when the second net It when network equipment 160 is run, is communicated between processor 1601 and memory 1602, processor 1601 calls holding in memory 1602 Row instruction, for executing any technical solution of embodiment of the method one~tri-, it is similar that the realization principle and technical effect are similar, this Place repeats no more.

Figure 17 is the structural schematic diagram of first network apparatus embodiments two of the present invention.As shown in figure 17, the present embodiment provides First network equipment 170 include processor 1701 and memory 1702.First network equipment 170 can also include transmitter 1703, receiver 1704.Transmitter 1703 can be connected with receiver 1704 with processor 1701.Wherein, transmitter 1703 is used In sending data or information, for receiving data or information, the storage of memory 1702 executes instruction receiver 1704, when the first net It when network equipment 170 is run, is communicated between processor 1701 and memory 1702, processor 1701 calls holding in memory 1702 Row instruction, for executing technical solution described in embodiment of the method four, it is similar that the realization principle and technical effect are similar, no longer superfluous herein It states.

In several embodiments provided herein, it should be understood that disclosed device and method can pass through it Its mode is realized.For example, apparatus embodiments described above are merely indicative, for example, the unit or module It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or module It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of equipment or module It closes or communicates to connect, can be electrical property, mechanical or other forms.

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

Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or The various media that can store program code such as person's CD.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims

1. a kind of demodulation pilot signal configuration method characterized by comprising

Demodulation pilot frequency design is obtained according to the demodulation pilot configuration information received；

Demodulation pilot signal is received according to the demodulation pilot frequency design；

Wherein, the demodulation pilot frequency design is one at least two candidate demodulation pilot frequency designs, and described at least two wait Choosing demodulation pilot frequency design corresponds to identical port number, and the port number is equal to the number of plies of data flow, and described at least two have phase It is different with the candidate demodulation pilot frequency design of port number, and first in at least two candidate demodulation pilot frequency design waits Choosing demodulation pilot frequency design includes the physical resource unit RE that non-zero power demodulation pilot signal occupies and zero energy demodulation pilot tone letter Number occupy physical resource unit RE.

2. the method according to claim 1, wherein the described at least two candidate demodulation with identical port number Pilot frequency design is different, comprising:

Described at least two candidate demodulation pilot frequency designs include the first candidate demodulation pilot frequency design and the second candidate demodulation pilot patterns Case, in the first candidate demodulation pilot frequency design, the position for the RE that the non-zero power demodulation pilot signal occupies, it is corresponding described in In second candidate pilot pattern, the position for the RE that the zero energy demodulation pilot signal occupies.

3. the method according to claim 1, wherein the described at least two candidate demodulation with identical port number Pilot frequency design is different, comprising:

Described at least two candidate demodulation pilot frequency designs include that the first candidate demodulation pilot frequency design and third candidate demodulate pilot patterns Case, first candidate demodulate in pilot frequency design, the position for the RE that all non-zero powers demodulation pilot signals occupy and institute The position for the RE for having the zero energy demodulation pilot signal to occupy, corresponds in the third candidate pilot pattern, the non-zero power Rate demodulates the position for the RE that pilot signal occupies.

4. all described according to the method described in claim 2, it is characterized in that, in the first candidate demodulation pilot frequency design Non-zero power demodulates the frequency bandwidth difference that the frequency bandwidth that pilot signal occupies is occupied with all zero energys demodulation pilot signal.

5. all described according to the method described in claim 4, it is characterized in that, in the first candidate demodulation pilot frequency design It is identical that non-zero power demodulates the time interval that pilot signal occupies；The time interval is first time interval.

6. according to the method described in claim 4, it is characterized in that, the frequency bandwidth, the frequency including unit subcarrier The width of the frequency of width or unit Physical Resource Block PRB.

7. described in any item methods according to claim 1~6, which is characterized in that the demodulation pilot configuration information is to pass through What dynamic signaling was sent.

8. a kind of network equipment characterized by comprising

Module is obtained, for obtaining demodulation pilot frequency design according to the demodulation pilot configuration information received；

Module is obtained, is also used to receive demodulation pilot signal according to corresponding demodulation pilot frequency design；

Wherein, the demodulation pilot frequency design is one at least two candidate demodulation pilot frequency designs, and described at least two wait Choosing demodulation pilot frequency design corresponds to identical port number, and the port number is equal to the number of plies of data flow；Described at least two have phase It is different with the candidate demodulation pilot frequency design of port number, and at least one described candidate demodulation pilot frequency design includes non-zero power solution The physical resource unit RE that physical resource unit RE and zero energy the demodulation pilot signal for adjusting pilot signal to occupy occupy.

9. the network equipment according to claim 8, which is characterized in that described at least two candidates with identical port number It is different to demodulate pilot frequency design, comprising:

10. the network equipment according to claim 8, which is characterized in that described at least two times with identical port number Choosing demodulation pilot frequency design is different, comprising:

11. the network equipment according to claim 9, which is characterized in that in the described first candidate demodulation pilot frequency design, own The frequency bandwidth that the frequency bandwidth and all zero energys demodulation pilot signal that the non-zero power demodulation pilot signal occupies occupy It is different.

12. the network equipment according to claim 11, which is characterized in that in the described first candidate demodulation pilot frequency design, institute The time interval for having the non-zero power demodulation pilot signal to occupy is identical；The time interval is first time interval.

13. the network equipment according to claim 11, which is characterized in that the frequency bandwidth, including unit subcarrier The width of the frequency of the width or unit Physical Resource Block PRB of frequency.

14. according to the described in any item network equipments of claim 8~13, which is characterized in that the demodulation pilot configuration information It is to be sent by dynamic signaling.

15. a kind of network equipment characterized by comprising

Processor and memory, the memory storage execute instruction, when network equipment operation, the processor and institute It states and is communicated between memory, executed instruction described in the processor execution so that the network equipment executes such as claim 1~7 Any one of described in method.

16. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program When running on computers, so that computer executes the method as described in any one of claim 1~7.