CN106793107B - Uplink reference signals generation method, ascending resource configuration method and base station - Google Patents
Uplink reference signals generation method, ascending resource configuration method and base station Download PDFInfo
- Publication number
- CN106793107B CN106793107B CN201610964051.5A CN201610964051A CN106793107B CN 106793107 B CN106793107 B CN 106793107B CN 201610964051 A CN201610964051 A CN 201610964051A CN 106793107 B CN106793107 B CN 106793107B
- Authority
- CN
- China
- Prior art keywords
- reference signals
- frequency domain
- uplink
- pilot sequence
- uplink reference
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
Abstract
A kind of uplink reference signals generation method, ascending resource configuration method and base station are used for ascending channel detecting, and the uplink reference signals generation method includes: generation uplink pilot sequence, determines density of the frequency domain pattern of the uplink reference signals on frequency domain;The discontinuous distribution on frequency domain of the frequency domain pattern of the uplink reference signals;According to density of the frequency domain pattern of the uplink pilot sequence and the uplink reference signals on frequency domain, generates the uplink reference signals and be sent to mobile terminal.Above scheme can be improved the level of resources utilization of system.
Description
Technical field
The present invention relates to the communications field more particularly to a kind of uplink reference signals generation methods, ascending resource configuration method
And base station.
Background technique
Channel-sounding signal (Sounding Reference Signal, SRS) is a kind of reference signal of uplink, network
Side can by channel-sounding signal detect uplink signal-channel quality, usually can be used to for eNodeB (base station) scheduling and up and down
Row channel reciprocity provides reference.
In the prior art, in long term evolution (Long Term Evolution, LTE) system, the frequency of uplink reference signals
Region pattern is continuously distributed on frequency domain, and does not support and data-reusing, the level of resources utilization of system are lower.
Summary of the invention
Present invention solves the technical problem that being how to improve the level of resources utilization of system.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of uplink reference signals generation method, it to be used for uplink
Channel detection, the uplink reference signals generation method include: generation uplink pilot sequence;Determine the uplink reference signals
Density of the frequency domain pattern on frequency domain;The discontinuous distribution on frequency domain of the frequency domain pattern of the uplink reference signals;According to described
Density of the frequency domain pattern of uplink pilot sequence and the uplink reference signals on frequency domain, generates the uplink reference signals
And it is sent to mobile terminal.
Optionally, density of the frequency domain pattern of the uplink reference signals on frequency domain is less than preset density value, described pre-
If density value is related to the movement speed of the mobile terminal and coherence bandwidth.
Optionally, the generation uplink pilot sequence, comprising: the uplink pilot sequence is generated based on system bandwidth.
Optionally, described that the uplink pilot sequence is generated based on system bandwidth including following any: to be based on system band
Width generates the uplink pilot sequence using random sequence m-sequence;Based on system bandwidth, the uplink is generated using ZC sequence
Pilot frequency sequence.
Optionally, described to generate the uplink reference signals, comprising: to obtain the corresponding system frequency of the uplink pilot sequence
Domain resource index;According to the uplink pilot sequence, the corresponding system frequency domain resource index of the uplink pilot sequence and institute
Density of the frequency domain pattern of uplink reference signals on frequency domain is stated, the uplink reference signals are generated.
The embodiment of the invention also provides a kind of ascending resource configuration methods, comprising: generates uplink pilot sequence;Determine institute
State density of the frequency domain pattern of uplink reference signals on frequency domain;The frequency domain pattern of the uplink reference signals non-company on frequency domain
Continuous distribution;According to density of the frequency domain pattern of the uplink pilot sequence and the uplink reference signals on frequency domain, generate
The uplink reference signals;Configure the occupied resource of the uplink reference signals, the occupied money of uplink reference signals
Source is not more than preconfigured system resource.
Optionally, density of the frequency domain pattern of the uplink reference signals on frequency domain is less than preset density value, described pre-
If density value is related to the movement speed of mobile terminal and coherence bandwidth.
Optionally, the generation uplink pilot sequence, comprising: the uplink pilot sequence is generated based on system bandwidth.
Optionally, described that the uplink pilot sequence is generated based on system bandwidth including following any: to be based on system band
Width generates the uplink pilot sequence using random sequence m-sequence;Based on system bandwidth, the uplink is generated using ZC sequence
Pilot frequency sequence.
Optionally, described to generate the uplink reference signals, comprising: to obtain the corresponding system frequency of the uplink pilot sequence
Domain resource index;According to the uplink pilot sequence, the corresponding system frequency domain resource index of the uplink pilot sequence and institute
Density of the frequency domain pattern of uplink reference signals on frequency domain is stated, the uplink reference signals are generated.
Optionally, when the uplink reference signals of generation are multiple, multiple uplink reference signals are configured using following any
Kind mode is orthogonal: frequency division multiplexing, time division multiplexing and code division multiplexing.
Optionally, when there are other reference signals, further includes: configure the occupied resource of other described reference signals.
Optionally, multiple uplink reference signals are multiplexed with other described reference signals using following any mode: frequency division
Multiplexing, frequency-domain-interleaving or time division multiplexing.
Optionally, the ascending resource frequency domain configuration method further include: configure upstream data described preconfigured
Not by the uplink reference signals and the occupied resource of other reference signals in system resource.
Optionally, the upstream data is multiplexed with the uplink reference signals using following any mode: frequency division multiplexing,
Frequency-domain-interleaving or time division multiplexing.
Optionally, the ascending resource frequency domain configuration method further include: issue the uplink reference signals to mobile terminal
Configuration information, at least one of the configuration information of other reference signals.
The embodiment of the invention also provides a kind of base stations, comprising: the first generation unit, for generating uplink pilot sequence;
First determination unit, for determining density of the frequency domain pattern of the uplink reference signals on frequency domain;The uplink is with reference to letter
Number the discontinuous distribution on frequency domain of frequency domain pattern;First determination unit, for determining the frequency domain figure of the uplink reference signals
Density of the case on frequency domain;The discontinuous distribution on frequency domain of the frequency domain pattern of the uplink reference signals;First determination unit is used
In determining density of the frequency domain pattern of the uplink reference signals on frequency domain;The frequency domain pattern of the uplink reference signals is in frequency
Discontinuous distribution on domain;
Optionally, density of the frequency domain pattern of the uplink reference signals on frequency domain is less than preset density value, described pre-
If density value is related to the movement speed of the mobile terminal and coherence bandwidth.
Optionally, first generation unit, for generating the uplink pilot sequence based on system bandwidth.
Optionally, first generation unit generates the uplink pilot sequence using following any method: based on being
Regiment commander is wide, generates the uplink pilot sequence using random sequence m-sequence;Based on system bandwidth, using described in the generation of ZC sequence
Uplink pilot sequence.
Optionally, second generation unit, for obtaining the corresponding system frequency domain resource rope of the uplink pilot sequence
Draw;According to the uplink pilot sequence, the corresponding system frequency domain resource index of the uplink pilot sequence and uplink ginseng
Density of the frequency domain pattern of signal on frequency domain is examined, the uplink reference signals are generated.
The embodiment of the invention also provides another base stations, comprising: third generation unit, for generating ascending pilot frequency sequence
Column;Second determination unit, for determining density of the frequency domain pattern of the uplink reference signals on frequency domain;The uplink reference
The discontinuous distribution on frequency domain of the frequency domain pattern of signal;4th generation unit, for according to the uplink pilot sequence and institute
Density of the frequency domain pattern of uplink reference signals on frequency domain is stated, the uplink reference signals are generated;Configuration unit, for configuring
The occupied resource of uplink reference signals, the occupied resource of uplink reference signals are not more than preconfigured system
Resource.
Optionally, density of the frequency domain pattern of the uplink reference signals on frequency domain is less than preset density value, described pre-
If density value is related to the movement speed of mobile terminal and coherence bandwidth.
Optionally, the third generation unit, for generating the uplink pilot sequence based on system bandwidth.
Optionally, the third generation unit generates the uplink pilot sequence using following any method: based on being
Regiment commander is wide, generates the uplink pilot sequence using random sequence m-sequence;Based on system bandwidth, using described in the generation of ZC sequence
Uplink pilot sequence.
Optionally, the 4th generation unit, for obtaining the corresponding system frequency domain resource rope of the uplink pilot sequence
Draw;According to the uplink pilot sequence, the corresponding system frequency domain resource index of the uplink pilot sequence and uplink ginseng
Density of the frequency domain pattern of signal on frequency domain is examined, the uplink reference signals are generated.
Optionally, when the uplink reference signals that the 4th generation unit generates are multiple, the configuration unit is used for
It is orthogonal using following any mode to configure multiple uplink reference signals: frequency division multiplexing, time division multiplexing and code division multiplexing.
Optionally, the configuration unit is also used to when there are other reference signals, configures other described reference signal institutes
The resource of occupancy.
Optionally, multiple uplink reference signals are multiplexed with other described reference signals using following any mode: frequency division
Multiplexing, frequency-domain-interleaving or time division multiplexing.
Optionally, the configuration unit is also used to configure upstream data in the preconfigured system resource not
By the uplink reference signals and the occupied resource of other reference signals.
Optionally, the upstream data is multiplexed with the uplink reference signals using following any mode: frequency division multiplexing,
Frequency-domain-interleaving or time division multiplexing.
Optionally, the base station further include: the second transmission unit, for issuing the uplink reference signals to mobile terminal
Configuration information, at least one of the configuration information of other reference signals.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantages that
It is generated according to density of the frequency domain pattern of uplink pilot sequence and the uplink reference signals of determination on frequency domain
Uplink reference signals, due to frequency domain pattern discontinuous distribution on frequency domain of uplink reference signals, the uplink generated is referred to
The frequency domain density of signal is lower, can be improved the level of resources utilization of system.
Further, density of the frequency domain pattern of uplink reference signals on frequency domain is less than preset density value, and pre-set density
Value is related to the movement speed of mobile terminal and coherence bandwidth, and the uplink pilot sequence of generation can satisfy the need of mobile terminal
It asks.
Further, uplink pilot sequence is generated based on system bandwidth, according to the uplink pilot sequence of generation and system frequency domain
The mapping relations of resource block obtain the system frequency domain resource index of the corresponding system frequency domain resource block of uplink pilot sequence, in turn
It can know the corresponding system frequency domain resource index of the uplink reference signals of generation.The generating mode and downlink of uplink reference signals
Pilot tone generating mode is consistent, and across the link interference elimination and control of system may be implemented.
In addition, will be pre-configured with when the occupied resource of collocating uplink reference signal is less than preconfigured system resource
System resource in, other resources in addition to uplink reference signals and the occupied resource of other reference signals carry out upper line number
According to transmission, the resource multiplex of reference signal and upstream data may be implemented, improve the level of resources utilization.
Detailed description of the invention
Fig. 1 (a) and Fig. 1 (b) is to realize that two kinds of mapping modes of frequency domain mapping show in the prior art with comb teeth respectively
It is intended to;
Fig. 2 is the flow chart of one of embodiment of the present invention uplink reference signals generation method;
Fig. 3 is the flow chart of one of embodiment of the present invention ascending resource configuration method;
Fig. 4 is one of embodiment of the present invention system resource structural schematic diagram;
Fig. 5 is using the resource schematic diagram after the ascending resource configuration method provided in the embodiment of the present invention;
Fig. 6 is the structural schematic diagram of one of embodiment of the present invention base station;
Fig. 7 is the structural schematic diagram of another base station in the embodiment of the present invention.
Specific embodiment
Existing LTE usually carries out SRS transmission using following manner, and one of which is to occupy a symbol, utilizes frequency domain
Continuous long sequence is transmitted;Another kind is to occupy multiple symbols, and using frequency domain, continuously short sequence is transmitted.Above-mentioned two
Kind transmission mode usually realizes frequency domain mapping in the form of comb teeth, specifically may refer to Fig. 1 (a) and Fig. 1 (b).
Fig. 1 (a) identifies the case where comb teeth is 2 namely uplink reference signals 11 and uplink reference signals 12 are spaced 1 son and carry
Wave carries out frequency domain mapping;Fig. 1 (b) identifies the case where comb teeth is 4 namely uplink reference signals 11, uplink reference signals 12, uplink
Reference signal 13 and uplink reference signals 14 are spaced 4 subcarriers and carry out frequency domain mapping.
It is found that the frequency domain pattern of uplink reference signals is continuously distributed on frequency domain from Fig. 1 (a) and Fig. 1 (b), frequency domain
Density is higher, causes the level of resources utilization of LTE system lower.
In embodiments of the present invention, according to the frequency domain pattern of uplink pilot sequence and the uplink reference signals of determination in frequency
Density on domain generates uplink reference signals, due to frequency domain pattern discontinuous distribution on frequency domain of uplink reference signals, because
The frequency domain density of this uplink reference signals generated is lower, improves the level of resources utilization of system.
It is understandable to enable above-mentioned purpose of the invention, feature and beneficial effect to become apparent, with reference to the accompanying drawing to this
The specific embodiment of invention is described in detail.
The embodiment of the invention provides a kind of uplink reference signals generation method, the uplink reference signals generation method is used
In ascending channel detecting.Referring to Fig. 2, uplink reference signals generation method is described in detail below by way of specific steps.
Step S201 generates uplink pilot sequence.
In specific implementation, network can first obtain system bandwidth.After obtaining system bandwidth, according to system bandwidth come
Generate uplink pilot sequence.
For example, getting system bandwidth is 20MHz, then uplink pilot sequence corresponding with 20MHz can be generated.Work as system
When bandwidth is other values, for example, when system bandwidth is 10MHz 5MHz, it can be from uplink pilot sequence corresponding with 20MHz
Corresponding with the 10MHz uplink pilot sequence of middle interception, from and the corresponding uplink pilot sequence of 20MHz in intercept it is corresponding with 5MHz
Uplink pilot sequence.
In embodiments of the present invention, when generating uplink pilot sequence based on system bandwidth, random sequence m sequence can be used
Column-generation uplink pilot sequence can also generate uplink pilot sequence using ZC sequence.It is understood that it can also be used
His sequence generating method generates uplink pilot sequence, is not repeated herein.
Step S202 determines density of the frequency domain pattern of the uplink reference signals on frequency domain.
In specific implementation, the frequency domain pattern of uplink reference signals is non-continuously distributed on frequency domain, wherein discontinuous
Distribution refers to for distribution of the frequency domain pattern for being directed to uplink reference signals in the prior art on frequency domain.From Fig. 1 (a) with
It is known that in the prior art, the frequency domain pattern of uplink reference signals is continuously distributed on frequency domain in Fig. 1 (b).
In embodiments of the present invention, network side can set non-company for the frequency domain pattern of uplink reference signals on frequency domain
Continuous distribution, and density of the frequency domain pattern of uplink reference signals on frequency domain is less than preset density value, preset density value can be with
It is calculated according to the movement speed of mobile terminal and coherence bandwidth.
Step S203, according to the frequency domain pattern of the uplink pilot sequence and the uplink reference signals on frequency domain
Density generates the uplink reference signals and is sent to mobile terminal.
In specific implementation, network side can be according in the uplink pilot sequence and step S202 generated in step S201
Density of the frequency domain pattern of determining uplink reference signals on frequency domain, Lai Shengcheng uplink reference signals.Generating uplink reference
After signal, the uplink reference signals of generation can be sent to mobile terminal by network side.
In specific implementation, noncontinuous map can be carried out to uplink reference signals on frequency domain resource block, it can also be
Noncontinuous map is carried out to uplink reference signals on subcarrier.
After carrying out noncontinuous map to uplink reference signals, the occupied resource of uplink reference signals is pre- less than network side
The system resource first configured, therefore, density of the frequency domain pattern of uplink reference signals on frequency domain are lower, can be improved system
Efficiency.
In practical applications it is found that the generating mode of uplink pilot sequence and resource block (Resource Block, RB) number
Mesh is related.Existing uplink pilot sequence generating mode and descending pilot frequency sequence generating mode are inconsistent, cause to be difficult to realize be
Across the link interference elimination and control of system.
In specific implementation, available to solve the above problems, after generating uplink pilot sequence based on system bandwidth
The length of uplink pilot sequence.The uplink pilot sequence of generation is mapped in system bandwidth one by one, also i.e. by each uplink
Pilot frequency sequence is mapped on one-to-one system frequency domain resource block, at this point it is possible to know that each uplink pilot sequence is corresponding
System frequency domain resource block system frequency domain resource index.When generating uplink reference signals, be according to uplink pilot sequence, on
Density next life of the frequency domain pattern of the corresponding system frequency domain resource index of row pilot frequency sequence and uplink reference signals on frequency domain
At.That is, can know that system frequency domain corresponding to each uplink reference signals provides when generating uplink reference signals
Source index, namely establish the mapping relations of each uplink reference signals and system frequency domain resource index.At this point, ascending pilot frequency sequence
Column-generation mode is consistent with descending pilot frequency sequence generating mode, is advantageously implemented across the link interference elimination and control of system
System.
The embodiment of the invention provides a kind of ascending resource configuration methods to carry out detailed referring to Fig. 3 below by way of specific steps
It describes in detail bright.
Step S301 generates uplink pilot sequence.
In specific implementation, network can first obtain system bandwidth.After obtaining system bandwidth, according to system bandwidth come
Generate uplink pilot sequence.In embodiments of the present invention, it when according to system bandwidth to generate uplink pilot sequence, can use
Random sequence m-sequence generates uplink pilot sequence, can also generate uplink pilot sequence using ZC sequence.
Step S302 determines density of the frequency domain pattern of the uplink reference signals on frequency domain.
In specific implementation, the frequency domain pattern of uplink reference signals is non-continuously distributed on frequency domain.Of the invention real
It applies in example, network side can set the frequency domain pattern of uplink reference signals to discontinuous distribution on frequency domain, and uplink is joined
Density of the frequency domain pattern of signal on frequency domain is examined less than preset density value, preset density value can be according to the movement of mobile terminal
Speed and coherence bandwidth are calculated.
Step S303, according to the frequency domain pattern of the uplink pilot sequence and the uplink reference signals on frequency domain
Density generates the uplink reference signals.
In specific implementation, network side can be according in the uplink pilot sequence and step S302 generated in step S301
Density of the frequency domain pattern of determining uplink reference signals on frequency domain, Lai Shengcheng uplink reference signals.
Step S304 configures the occupied resource of the uplink reference signals.
In specific implementation, the occupied resource of uplink reference signals is not more than preconfigured system resource.In this hair
In bright embodiment, due to frequency domain pattern discontinuous distribution on frequency domain of uplink reference signals, shared by uplink reference signals
Resource does not take preconfigured system resource.
For example, referring to Fig. 4, one of embodiment of the present invention system resource structural schematic diagram is given.It can be with from Fig. 4
It learns, uplink reference signals 41 and uplink reference signals 42 have only taken up the 50% of preconfigured system resource.
In specific implementation, the uplink pilot sequence generated in step S301 can be raw in a variety of namely step S301
At uplink pilot sequence can for one set.It is directed to each uplink pilot sequence, can be generated one-to-one
Uplink reference signals.That is, different types of uplink pilot sequence generates different types of uplink reference signals.
Network side can configure different types of uplink reference when distributing resource for different types of uplink reference signals
It is mutually orthogonal between signal.In embodiments of the present invention, network side can use time-multiplexed mode, configure different types of
It is mutually orthogonal between uplink reference signals.Network side can also configure different types of uplink ginseng by the way of frequency division multiplexing
It examines mutually orthogonal between signal.Network side can also configure different types of uplink reference signals by the way of code division multiplexing
Between it is mutually orthogonal.
In practical applications, network side can be using appointing in above-mentioned frequency division multiplexing, code division multiplexing and time division multiplexing
A kind of multiplexing method, it is mutually orthogonal between different types of uplink reference signals to configure.
In specific implementation, network side is also possible to can have other reference signals, other reference signals refer to: originally with use
Reference signal except the uplink reference signals generation method uplink reference signals generated provided in invention above-described embodiment.
For example, other reference signals are the reference signal for the DFT-S-OFDM type that network side in the prior art generates.
When network side is there is also when other reference signals, network side can be configured other reference signals.Specific
In implementation, network side can configure other reference signals in system resource.When network side configures other ginsengs in system resource
When examining signal, it is multiple using frequency division that the uplink reference signals provided in other reference signals and the above embodiment of the present invention can be configured
Mode can also configure the uplink provided in other reference signals and the above embodiment of the present invention and join to be multiplexed system resource
Signal is examined by the way of frequency-domain-interleaving to be multiplexed system resource, other reference signals and the above-mentioned implementation of the present invention can also be configured
The uplink reference signals provided in example are multiplexed system resource using time-multiplexed mode.
Referring to Fig. 4, other occupied resources of reference signal 43 and 2 institute of uplink reference signals 1 and uplink reference signals
The resource of occupancy is not overlapped.
In specific implementation, since the occupied resource of uplink reference signals of network side configuration is less than preconfigured system
Resource of uniting is likely present the system frequency domain money not being configured after network side configures the occupied resource of other reference signals
Source block.Referring to Fig. 4, system resource block 44 is not configured system resource.
It, can be in the coefficient number of resources not being configured when there is the system frequency domain resource block not being configured in system resource
According to collocating uplink data on block, to realize the multiplexing of upstream data and uplink reference signals, that improves ascending resource utilizes effect
Rate.
For example, referring to Fig. 4, the collocating uplink data in system resource block 44.
In specific implementation, network side can with collocating uplink reference signal and upstream data Frequency Division Multiplexing system resource,
Can by collocating uplink reference signal and upstream data by way of frequency division intertexture multiplex system resource, can be joined with collocating uplink
It examines signal and upstream data and passes through time-multiplexed mode multiplex system resource.
It should be noted that in embodiments of the present invention, cannot be configured on the system frequency domain resource block of collocating uplink data
Other reference signals.
Referring to Fig. 5, from Fig. 5 it is known that uplink reference signals 51 using frequency-domain-interleaving by the way of with other with reference to letter
Number 52 multiplex system resources.In Fig. 5, in addition to uplink reference signals 51 and the system frequency domain money of other reference signals 52 occupancy
Other than source block, the system frequency domain resource block of remaining blank may be incorporated for the transmission of upstream data.
In specific implementation, network side can send the configuration information and other ginsengs of uplink reference signals to mobile terminal
Examine the configuration information of signal.Mobile terminal is in the configuration information for receiving uplink reference signals and the configuration of other reference signals
After information, according to itself current application scenarios, one is selected from the uplink reference signals received and other reference signals
A uplink reference signals as itself.Network side can also be selected from multiple uplink reference signals and other reference signals
One reference signal, and inform mobile terminal, so that mobile terminal carries out uplink reference according to the reference signal that network side selects
The transmission of signal.
In specific implementation, after generating uplink pilot sequence based on system bandwidth, available uplink pilot sequence
Length.The uplink pilot sequence of generation is mapped in system bandwidth one by one, is also mapped to each uplink pilot sequence
On one-to-one system frequency domain resource block, at this point it is possible to know the corresponding system frequency domain resource of each uplink pilot sequence
The system frequency domain resource of block indexes.It is corresponding according to uplink pilot sequence, uplink pilot sequence when generating uplink reference signals
System frequency domain resource index and density of the frequency domain pattern on frequency domain of uplink reference signals generate.That is,
When generating uplink reference signals, it can know that system frequency domain resource corresponding to each uplink reference signals indexes, Ye Jijian
Found the mapping relations of each uplink reference signals and system frequency domain resource index.At this point, uplink pilot sequence generating mode with
Descending pilot frequency sequence generating mode is consistent, and is advantageously implemented across the link interference elimination and control of system.
Referring to Fig. 6, a kind of base station 60 provided in the embodiment of the present invention is given, comprising: the first generation unit 601, the
One determination unit 602, the second generation unit 603 and the first transmission unit 604, in which:
First generation unit 601, for generating uplink pilot sequence;
First determination unit 602, for determining density of the frequency domain pattern of the uplink reference signals on frequency domain;It is described
The discontinuous distribution on frequency domain of the frequency domain pattern of uplink reference signals;
Second generation unit 603, for the frequency domain figure according to the uplink pilot sequence and the uplink reference signals
Density of the case on frequency domain, generates the uplink reference signals;
First transmission unit 604, for the uplink reference signals generated to be sent to mobile terminal.
In specific implementation, density of the frequency domain pattern of the uplink reference signals on frequency domain is less than preset density value,
The preset density value is related to the movement speed of the mobile terminal and coherence bandwidth.
In specific implementation, first generation unit 601 can be used for generating the ascending pilot frequency based on system bandwidth
Sequence.
In specific implementation, first generation unit 601 can generate the uplink using following any method and lead
Frequency sequence: being based on system bandwidth, generates the uplink pilot sequence using random sequence m-sequence;Based on system bandwidth, using ZC
Sequence generates the uplink pilot sequence.
In specific implementation, second generation unit 603 can be used for obtaining the corresponding system of the uplink pilot sequence
Frequency domain resource of uniting index;According to the corresponding system frequency domain resource index of the uplink pilot sequence, the uplink pilot sequence with
And density of the frequency domain pattern of the uplink reference signals on frequency domain, generate the uplink reference signals.
The embodiment of the invention also provides another base stations 70, comprising: third generation unit 701, the second determination unit
702, the 4th generation unit 703 and configuration unit 704, in which:
Third generation unit 701, for generating uplink pilot sequence;
Second determination unit 702, for determining density of the frequency domain pattern of the uplink reference signals on frequency domain;It is described
The discontinuous distribution on frequency domain of the frequency domain pattern of uplink reference signals;
4th generation unit 703, for the frequency domain figure according to the uplink pilot sequence and the uplink reference signals
Density of the case on frequency domain, generates the uplink reference signals;
Configuration unit 704, for configuring the occupied resource of the uplink reference signals, shared by the uplink reference signals
Resource is not more than preconfigured system resource.
In specific implementation, density of the frequency domain pattern of the uplink reference signals on frequency domain is less than preset density value,
The preset density value is related to the movement speed of mobile terminal and coherence bandwidth.
In specific implementation, the third generation unit 701 can be used for generating the ascending pilot frequency based on system bandwidth
Sequence.
In specific implementation, the third generation unit 701 can generate the uplink using following any method and lead
Frequency sequence: being based on system bandwidth, generates the uplink pilot sequence using random sequence m-sequence;Based on system bandwidth, using ZC
Sequence generates the uplink pilot sequence.
In specific implementation, the 4th generation unit 703 can be used for obtaining the corresponding system of the uplink pilot sequence
Frequency domain resource of uniting index;According to the corresponding system frequency domain resource index of the uplink pilot sequence, the uplink pilot sequence with
And density of the frequency domain pattern of the uplink reference signals on frequency domain, generate the uplink reference signals.
In specific implementation, when the uplink reference signals that the 4th generation unit 703 generates are multiple, the configuration
Unit 704 it is orthogonal using following any mode to can be used for configuring multiple uplink reference signals: frequency division multiplexing, time division multiplexing
And code division multiplexing.
In specific implementation, the configuration unit 704 can be also used for when there are other reference signals, described in configuration
The occupied resource of other reference signals.
In specific implementation, multiple uplink reference signals and other described reference signals are multiple using following any mode
With: frequency division multiplexing, frequency-domain-interleaving or time division multiplexing.
In specific implementation, the configuration unit 704 can be also used for configuring upstream data described preconfigured
Not by the uplink reference signals and the occupied resource of other reference signals in system resource.
In specific implementation, the upstream data is multiplexed with the uplink reference signals using following any mode: frequency
Divide multiplexing, frequency-domain-interleaving or time division multiplexing.
In specific implementation, the base station 70 further include: the second transmission unit 705, for being issued to the mobile terminal
At least one of the configuration information of the uplink reference signals, configuration information of other reference signals.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with indicating relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium may include: ROM, RAM, disk or CD etc..
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (24)
1. a kind of uplink reference signals generation method, which is characterized in that be used for ascending channel detecting, the uplink reference signals are raw
Include: at method
Uplink pilot sequence is generated based on system bandwidth;
Determine density of the frequency domain pattern of the uplink reference signals on frequency domain;The frequency domain pattern of the uplink reference signals exists
Discontinuous distribution on frequency domain;
The uplink pilot sequence is mapped to one-to-one system frequency domain resource by the length for obtaining the uplink pilot sequence
On block, to know the system frequency domain resource index of the corresponding system frequency domain resource block of each uplink pilot sequence;According to described
The frequency domain of the corresponding system frequency domain resource index of uplink pilot sequence, the uplink pilot sequence and the uplink reference signals
Density of the pattern on frequency domain, generates the uplink reference signals.
2. uplink reference signals generation method as described in claim 1, which is characterized in that the frequency domain of the uplink reference signals
Density of the pattern on frequency domain is less than preset density value, the movement speed and relevant band of the preset density value and mobile terminal
It is wide related.
3. uplink reference signals generation method as described in claim 1, which is characterized in that described to generate institute based on system bandwidth
Uplink pilot sequence is stated, including following any:
Based on system bandwidth, the uplink pilot sequence is generated using random sequence m-sequence;
Based on system bandwidth, the uplink pilot sequence is generated using ZC sequence.
4. a kind of ascending resource configuration method characterized by comprising
Uplink pilot sequence is generated based on system bandwidth;
Determine density of the frequency domain pattern of the uplink reference signals on frequency domain;The frequency domain pattern of the uplink reference signals exists
Discontinuous distribution on frequency domain;
The uplink pilot sequence is mapped to one-to-one system frequency domain resource by the length for obtaining the uplink pilot sequence
On block, to know the system frequency domain resource index of the corresponding system frequency domain resource block of each uplink pilot sequence;According to described
The frequency domain pattern of the corresponding system resource index of uplink pilot sequence, the uplink pilot sequence and the uplink reference signals
Density on frequency domain generates the uplink reference signals;
The occupied resource of the uplink reference signals is configured, the occupied resource of uplink reference signals is not more than and matches in advance
The system resource set.
5. ascending resource configuration method as claimed in claim 4, which is characterized in that the frequency domain pattern of the uplink reference signals
Density on frequency domain is less than preset density value, the movement speed and coherence bandwidth phase of the preset density value and mobile terminal
It closes.
6. ascending resource configuration method as claimed in claim 4, which is characterized in that described to be generated on described based on system bandwidth
Row pilot frequency sequence, including following any:
Based on system bandwidth, the uplink pilot sequence is generated using random sequence m-sequence;
Based on system bandwidth, the uplink pilot sequence is generated using ZC sequence.
7. ascending resource configuration method as claimed in claim 4, which is characterized in that when the uplink reference signals of generation are multiple
When,
It is orthogonal using following any mode to configure multiple uplink reference signals: frequency division multiplexing, time division multiplexing and code division multiplexing.
8. ascending resource configuration method as claimed in claim 4, which is characterized in that when there are other reference signals, also wrap
It includes: configuring the occupied resource of other described reference signals.
9. ascending resource configuration method as claimed in claim 8, which is characterized in that multiple uplink reference signals and it is described other
Reference signal is multiplexed using following any mode: frequency division multiplexing, frequency-domain-interleaving or time division multiplexing.
10. ascending resource configuration method as claimed in claim 8, which is characterized in that further include: upstream data is configured in institute
It states in preconfigured system resource not by the uplink reference signals and the occupied resource of other reference signals.
11. ascending resource configuration method as claimed in claim 10, which is characterized in that the upstream data and the uplink are joined
It examines signal to be multiplexed using following any mode: frequency division multiplexing, frequency-domain-interleaving or time division multiplexing.
12. ascending resource configuration method as claimed in claim 8, which is characterized in that further include: it is issued to mobile terminal described
At least one of the configuration information of uplink reference signals, configuration information of other reference signals.
13. a kind of base station characterized by comprising
First generation unit, for generating uplink pilot sequence based on system bandwidth;
First determination unit, for determining density of the frequency domain pattern of the uplink reference signals on frequency domain;The uplink ginseng
Examine frequency domain pattern discontinuous distribution on frequency domain of signal;
The uplink pilot sequence is mapped to one by one by the second generation unit for obtaining the length of the uplink pilot sequence
On corresponding system frequency domain resource block, to know the system frequency domain of the corresponding system frequency domain resource block of each uplink pilot sequence
Resource index;It is indexed according to the uplink pilot sequence, the corresponding system frequency domain resource of the uplink pilot sequence and described
Density of the frequency domain pattern of uplink reference signals on frequency domain, generates the uplink reference signals;
First transmission unit, for the uplink reference signals generated to be sent to mobile terminal.
14. base station as claimed in claim 13, which is characterized in that the frequency domain pattern of the uplink reference signals is on frequency domain
Density is less than preset density value, and the preset density value is related to the movement speed of the mobile terminal and coherence bandwidth.
15. base station as claimed in claim 13, which is characterized in that first generation unit is raw using following any method
At the uplink pilot sequence: being based on system bandwidth, generate the uplink pilot sequence using random sequence m-sequence;Based on being
Regiment commander is wide, generates the uplink pilot sequence using ZC sequence.
16. a kind of base station characterized by comprising
Third generation unit, for generating uplink pilot sequence based on system bandwidth;
Second determination unit, for determining density of the frequency domain pattern of the uplink reference signals on frequency domain;The uplink ginseng
Examine frequency domain pattern discontinuous distribution on frequency domain of signal;
The uplink pilot sequence is mapped to one by one by the 4th generation unit for obtaining the length of the uplink pilot sequence
On corresponding system frequency domain resource block, to know the system frequency domain of the corresponding system frequency domain resource block of each uplink pilot sequence
Resource index;According to the uplink pilot sequence, the corresponding system resource index of the uplink pilot sequence and the uplink
Density of the frequency domain pattern of reference signal on frequency domain, generates the uplink reference signals;
Configuration unit, for configuring the occupied resource of the uplink reference signals, the occupied money of uplink reference signals
Source is not more than preconfigured system resource.
17. base station as claimed in claim 16, which is characterized in that the frequency domain pattern of the uplink reference signals is on frequency domain
Density is less than preset density value, and the preset density value is related to the movement speed of mobile terminal and coherence bandwidth.
18. base station as claimed in claim 16, which is characterized in that the third generation unit is raw using following any method
At the uplink pilot sequence: being based on system bandwidth, generate the uplink pilot sequence using random sequence m-sequence;Based on being
Regiment commander is wide, generates the uplink pilot sequence using ZC sequence.
19. base station as claimed in claim 16, which is characterized in that when the uplink reference signals that the 4th generation unit generates
When being multiple, the configuration unit, orthogonal using following any mode for configuring multiple uplink reference signals: frequency division is multiple
With, time division multiplexing and code division multiplexing.
20. base station as claimed in claim 16, which is characterized in that the configuration unit is also used to when there are other with reference to letter
Number when, configure the occupied resource of other reference signals.
21. base station as claimed in claim 20, which is characterized in that multiple uplink reference signals are adopted with other described reference signals
It is multiplexed with following any mode: frequency division multiplexing, frequency-domain-interleaving or time division multiplexing.
22. base station as claimed in claim 20, which is characterized in that the configuration unit is also used to configure upstream data
Not by the uplink reference signals and the occupied resource of other reference signals in the preconfigured system resource.
23. base station as claimed in claim 22, which is characterized in that the upstream data and the uplink reference signals are using such as
Under any mode be multiplexed: frequency division multiplexing, frequency-domain-interleaving or time division multiplexing.
24. base station as claimed in claim 20, which is characterized in that further include: the second transmission unit is used under mobile terminal
At least one of the configuration information of sending out uplink reference signals described, configuration information of other reference signals.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610964051.5A CN106793107B (en) | 2016-11-04 | 2016-11-04 | Uplink reference signals generation method, ascending resource configuration method and base station |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610964051.5A CN106793107B (en) | 2016-11-04 | 2016-11-04 | Uplink reference signals generation method, ascending resource configuration method and base station |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106793107A CN106793107A (en) | 2017-05-31 |
CN106793107B true CN106793107B (en) | 2019-03-29 |
Family
ID=58972414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610964051.5A Active CN106793107B (en) | 2016-11-04 | 2016-11-04 | Uplink reference signals generation method, ascending resource configuration method and base station |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106793107B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110351039B (en) * | 2018-04-03 | 2021-11-26 | 北京紫光展锐通信技术有限公司 | Indication and acquisition method for uplink data multiplexing, base station, terminal and medium |
CN110971334A (en) * | 2018-09-28 | 2020-04-07 | 中兴通讯股份有限公司 | Method and apparatus for processing interference, storage medium, and electronic apparatus |
CN116671201A (en) * | 2020-12-30 | 2023-08-29 | 华为技术有限公司 | Method and related device for configuring uplink reference signal resource |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102437986A (en) * | 2010-09-29 | 2012-05-02 | 中兴通讯股份有限公司 | Reference signal mapping method and device |
CN102804625A (en) * | 2010-01-18 | 2012-11-28 | 株式会社泛泰 | Method and apparatus for allocating channel state information-reference signal in wireless communication system |
CN105827383A (en) * | 2011-03-25 | 2016-08-03 | 北京新岸线移动多媒体技术有限公司 | Method and device for configuring pilot frequency in wireless communication system |
-
2016
- 2016-11-04 CN CN201610964051.5A patent/CN106793107B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102804625A (en) * | 2010-01-18 | 2012-11-28 | 株式会社泛泰 | Method and apparatus for allocating channel state information-reference signal in wireless communication system |
CN102437986A (en) * | 2010-09-29 | 2012-05-02 | 中兴通讯股份有限公司 | Reference signal mapping method and device |
CN105827383A (en) * | 2011-03-25 | 2016-08-03 | 北京新岸线移动多媒体技术有限公司 | Method and device for configuring pilot frequency in wireless communication system |
Also Published As
Publication number | Publication date |
---|---|
CN106793107A (en) | 2017-05-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6616905B2 (en) | Frequency hopping for random access | |
WO2020015757A1 (en) | Signal transmission method, apparatus, device, and computer storage medium | |
JP5678166B2 (en) | Sounding reference signal transmission method and apparatus in uplink radio communication system using multiple antennas and sounding reference signal hopping | |
CN101827444B (en) | Signaling configuration system and method for measuring reference signal | |
CA2886245C (en) | Control channel detection method and user equipment | |
EP3579469B1 (en) | Wireless communication method and device | |
CN102281642B (en) | SRS resource distribution method and device in a kind of LTE system | |
KR20200142526A (en) | Uplink control information multiplexing method in wireless communication system and apparatus using same | |
CN110536430A (en) | Communication and resource allocation method, device, base station, terminal and storage medium | |
US10177889B2 (en) | Sequence generation method, and terminal and base station for terminal for sequence generation terminal and a base station for sequence generation | |
CN104283581A (en) | Method and system for determining frequency hopping pattern of sounding reference signaling (SRS) | |
EP3291622B1 (en) | Method and device for resource mapping | |
WO2017049582A1 (en) | Data transmission method, data transmission apparatus, base station, and user equipment | |
JP2011526107A (en) | Signal transmission method, reception method, transmission apparatus, and reception apparatus in a multicarrier system | |
JP2018523943A (en) | Data transmission method and equipment | |
CN107371225B (en) | Pilot frequency transmission method of uplink shared channel and related equipment | |
RU2014108326A (en) | METHOD FOR GENERATING THE SIGNAL SIGNAL | |
CN106793107B (en) | Uplink reference signals generation method, ascending resource configuration method and base station | |
WO2022152190A1 (en) | Resource availability determination method, resource configuration method, communication node and storage medium | |
CN105050191B (en) | Based on time delay QoS and fair multi-user's Safety Cognition network resource allocation method | |
WO2017167078A1 (en) | Carrier wave prb resource allocation method, device, and computer storage medium | |
JP2021508219A (en) | Reference signal transmission method and transmission device | |
JP2009194465A (en) | Multicarrier communication base station apparatus and subcarrier allocation method | |
EP3248347B1 (en) | Methods and devices for reduction of cubic metric in a concatenated block reference signal design | |
US20120294253A1 (en) | Method and apparatus for transmitting and receiving reference signal in wireless communication system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 100089 18 / F, block B, Zhizhen building, No.7, Zhichun Road, Haidian District, Beijing Patentee after: Beijing Ziguang zhanrui Communication Technology Co.,Ltd. Address before: 100084, Room 516, building A, Tsinghua Science Park, Beijing, Haidian District Patentee before: BEIJING SPREADTRUM HI-TECH COMMUNICATIONS TECHNOLOGY Co.,Ltd. |