CN103404097B - For the method and apparatus realizing channel and Interference Estimation in grand/RRH system - Google Patents
For the method and apparatus realizing channel and Interference Estimation in grand/RRH system Download PDFInfo
- Publication number
- CN103404097B CN103404097B CN201180069021.3A CN201180069021A CN103404097B CN 103404097 B CN103404097 B CN 103404097B CN 201180069021 A CN201180069021 A CN 201180069021A CN 103404097 B CN103404097 B CN 103404097B
- Authority
- CN
- China
- Prior art keywords
- pattern
- resource
- channel
- resources
- resource pattern
- 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
- 230000011664 signaling Effects 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims description 32
- 238000003379 elimination reaction Methods 0.000 claims description 29
- 230000000875 corresponding Effects 0.000 claims description 27
- 238000004891 communication Methods 0.000 claims description 21
- 238000005259 measurement Methods 0.000 claims description 11
- 241000760358 Enodes Species 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 4
- 238000005304 joining Methods 0.000 claims description 2
- 238000003909 pattern recognition Methods 0.000 claims 22
- 238000001914 filtration Methods 0.000 claims 3
- 238000000151 deposition Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 25
- 210000004027 cells Anatomy 0.000 description 17
- 230000000051 modifying Effects 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 9
- 230000001413 cellular Effects 0.000 description 8
- 238000003860 storage Methods 0.000 description 8
- 238000004422 calculation algorithm Methods 0.000 description 7
- 210000001956 EPC Anatomy 0.000 description 6
- 239000000969 carrier Substances 0.000 description 6
- 230000003287 optical Effects 0.000 description 5
- 201000000194 ITM2B-related cerebral amyloid angiopathy 2 Diseases 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 230000001702 transmitter Effects 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- RQXLSXSKRKTNTK-UHFFFAOYSA-N diethyl 5-oxo-3-phenylpyrrolidine-2,2-dicarboxylate Chemical compound CCOC(=O)C1(C(=O)OCC)NC(=O)CC1C1=CC=CC=C1 RQXLSXSKRKTNTK-UHFFFAOYSA-N 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- 241000894007 species Species 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002708 enhancing Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000005305 interferometry Methods 0.000 description 2
- 108010022579 ATP dependent 26S protease Proteins 0.000 description 1
- 241000256844 Apis mellifera Species 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003247 decreasing Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000001360 synchronised Effects 0.000 description 1
- 201000001845 syndromic X-linked intellectual disability Snyder type Diseases 0.000 description 1
- 210000001519 tissues Anatomy 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
Abstract
The aspect that the present invention discloses relates to the channel in the multiple exit point environment comprising eNB and RRH and Interference Estimation.In the aspect disclosed, one or more launch points can signal to measure channel status condition based on the first and second resources modes to UE.Described UE can receive described signaling and is based at least partially on first resource pattern execution Interference Estimation and is based at least partially on the execution channel estimation of Secondary resource pattern.Described UE can estimate based on described interference and channel and produce channel status reporting, and described channel status reporting is transmitted into launch point.Described eNB can use the channel status reporting of described reception to dispatch one or more resources for described UE, and optional or adjust described first and described Secondary resource pattern on Network, to affect channel and the Interference Estimation of gained.
Description
The cross reference of related application
Subject application advocate entitled filed in 11 days February in 2011 " for realize in grand/RRH system channel and
Method and apparatus (the METHOD AND APPARATUS FOR ENABLING CHANNEL AND of Interference Estimation
INTERFERENCE ESTIMATIONS IN MACRO/RRH SYSTEM) " No. 61/442,087 U.S.
Filed in Provisional Application and December in 2011 23 days entitled " for realizing channel and dry in grand/RRH system
Disturb method and apparatus (the METHOD AND APPARATUS FOR ENABLING CHANNEL AND of estimation
INTERFERENCE ESTIMATIONS IN MACRO/RRH SYSTEM) " No. 13/336,599 U.S.
The rights and interests of patent application case, above application case transfers this assignee and content is the most clearly incorporated to
Herein.
Technical field
The present invention relates generally to communication system, and more particularly to being used for realizing grand enode b (eNB)/remotely
Channel in Radio heads (RRH) environment is estimated and the system and method for Interference Estimation.
Background technology
Wireless communication system widespread deployment to provide various telecommunications service, such as phone, video, data, information receiving and
Broadcast.Typical wireless communication system can use can be by shared free system resources (such as, bandwidth, transmitting power)
And support the multiple access technology of the communication with multiple users.The example of these a little multiple access technologies comprise CDMA (CDMA) system,
Time division multiple acess (TDMA) system, frequency division multiple access (FDMA) system, OFDM (OFDMA) system, single carrier frequency
Divide multiple access (SC-FDMA) system and TD SDMA (TD-SCDMA) system.
These multiple access technologies use to provide common protocol in various telecommunication standards, and it makes different radio device
Can communicate in city, country, regional and even global rank.The example of emerging telecommunication standard is to drill for a long time
Enter (LTE).LTE is to the Universal Mobile Telecommunications System (UMTS) promulgated by third generation partner program (3GPP)
One group of enhancing of mobile standard.It is designed to preferably support that mobile broadband is because of spy by improving spectrum efficiency
Net accesses, and reduces cost, improves service, utilizes new frequency spectrum, and preferably with use on downlink (DL)
Other of SC-FDMA in OFDMA, up-link (UL) and multiple-input and multiple-output (MIMO) antenna technology
Open standard is integrated.But, along with the demand accessing mobile broadband continues to increase, exist LTE technology
The needs improved further.Preferably, these improve and should apply to other multiple access technology and use these technology
Telecommunication standard.WO 2010/106549 A2 disclose for by use pilot tones and blank tone together with
The combination of blank tone reduce the interference at frequency pilot sign and also the method that good interferometry can be realized and
System.In this type of system, receptor can be in the situation not having any interference from remaining emitter
Lower estimation channel condition information, and receptor can measure indivedual interference channel state or from mute periods simultaneously
Interference covariance.Frequency is used to re-use the group re-using emitter in the most separate region of structure.
In preferred embodiments, use multiple antennas Pre-decoder that pilot signal is carried out pre-decode.Pre-decoder pair
Can be identical in pilot tone and data.
Summary of the invention
Presented below simplify general introduction to provide the basic comprehension to these a little aspects in terms of one or more.This general introduction
The extension general view of not all contemplated aspects, and both do not indicated that the key element of all aspects did not the most describe any or all side
The scope in face.Its sole purpose be present in simplified form some concepts in terms of one or more as to after a while in
Existing preamble in greater detail.
According to one or more aspects and corresponding disclosure thereof, it is combined in grand eNB/RRH environment and realizes channel
Estimate and Interference Estimation and various aspect is described.In an example, eNB can equipped with to UE signal with
Channel status condition is measured based on first resource pattern and Secondary resource pattern.UE can equipped with receive described signaling and
It is based at least partially on described first resource pattern and performs Interference Estimation, and be based at least partially on described Secondary resource mould
Formula and perform channel and estimate, estimate based on described Interference Estimation and channel and produce channel status reporting, and by channel status
Report is transmitted into eNB.ENB can channel status reporting based on described reception and dispatch one for described UE or
More than one resource.
According to related fields, it is provided that estimate and dry for realizing channel in multiple exit point (such as, grand eNB/RRH) environment
The method disturbing estimation.Described method can comprise and signals with based on first resource pattern and Secondary resource pattern to UE
Measure channel status condition.Additionally, described method can comprise is based at least partially on the described first resource pattern of use and the
Two resources modes obtain measured value and from described UE receive channel status Conditions Report.And, described method can comprise
Channel status Conditions Report based on described reception and dispatch one or more resources for described UE.
On the other hand Wireless Telecom Equipment is related to.Described Wireless Telecom Equipment can comprise for signaling to UE with base
The device of channel status condition is measured in first resource pattern and Secondary resource pattern.Additionally, described Wireless Telecom Equipment can
Comprise for be based at least partially on the measured value using described first resource pattern and Secondary resource pattern to obtain and from institute
State UE and receive the device of channel status Conditions Report.And, described Wireless Telecom Equipment can comprise for connecing based on described
Receive channel status Conditions Report and dispatch the device of one or more resources for described UE.
On the other hand Wireless Telecom Equipment is related to.Described equipment can comprise processing system, and it is configured to signal to UE
Notify to measure channel status condition based on first resource pattern and Secondary resource pattern.Additionally, described processing system can be through
Configure to be based at least partially on the measured value using described first resource pattern and Secondary resource pattern to obtain and from described
UE receives channel status Conditions Report.And, described processing system can be configured to letter based on described reception further
Road status condition is reported and is dispatched one or more resources for described UE.
On the other hand relating to computer program, it can have computer-readable media, described computer-readable media bag
Include for signaling to measure the generation of channel status condition based on first resource pattern and Secondary resource pattern to UE
Code.Additionally, described computer-readable media can comprise for being based at least partially on the described first resource pattern of use and the
Two resources modes obtain measured value and from described UE receive channel status Conditions Report code.And, described calculating
Machine readable media can comprise dispatches for described UE for channel status Conditions Report based on described reception
Or the code of more than one resource.
According to related fields, it is provided that estimate and dry for realizing channel in multiple exit point (such as, grand eNB/RRH) environment
The method disturbing estimation.Described method can comprise by UE reception first resource pattern and the signaling of Secondary resource pattern.Additionally,
Described method can comprise be based at least partially on described first resource pattern perform channel estimate and be based at least partially on institute
State Secondary resource pattern and perform Interference Estimation.Estimate additionally, described method can comprise based on described Interference Estimation and described channel
Count and produce channel status Conditions Report.And, described method can comprise described channel status Conditions Report is transmitted into one
Individual or more than one launch point.
On the other hand Wireless Telecom Equipment is related to.Described Wireless Telecom Equipment can comprise for being received first resource mould by UE
The device of the signaling of formula and Secondary resource pattern.Additionally, described Wireless Telecom Equipment can comprise for being based at least partially on
Described first resource pattern performs channel and estimates and be based at least partially on described Secondary resource pattern to perform Interference Estimation
Device.Additionally, described radio communication device can comprise for estimating based on described Interference Estimation and described channel and produce letter
The device of road status condition report.And, described Wireless Telecom Equipment can comprise for by described channel status Conditions Report
It is transmitted into the device of one or more launch points.
On the other hand Wireless Telecom Equipment is related to.Described equipment can comprise processing system, and it is configured to receive first resource
Pattern and the signaling of Secondary resource pattern.Additionally, described processing system can be configured to be based at least partially on described first
Resources mode performs channel and estimates and be based at least partially on described Secondary resource pattern to perform Interference Estimation.Additionally, it is described
Processing system can be configured to estimate based on described Interference Estimation and described channel and produce channel status Conditions Report.And
And, described processing system can be configured to described channel status Conditions Report is transmitted into one or more further
Exit point.
On the other hand relating to computer program, it can have computer-readable media, described computer-readable media bag
Code containing the signaling for receiving first resource pattern and Secondary resource pattern.Additionally, described computer-readable media can
Comprise for being based at least partially on described first resource pattern execution Interference Estimation and being based at least partially on described second
Resources mode performs the code that channel is estimated.Additionally, described computer-readable media can comprise for estimating based on described interference
Meter and described channel are estimated and are produced the code of channel status reporting.And, described computer-readable media can comprise for
Described channel status reporting is transmitted into the code of one or more launch points.
Include being hereinafter fully described and wanting in right to realize above-mentioned and relevant purpose, one or more than one aspect
Seek the feature particularly pointed out in book.The following description and drawings state one or some explanation in terms of more than one in detail
Property feature.But, these features only indicate the several ways in the various modes of the principle that wherein can use various aspect,
And this describes and set comprises all this little aspects and equivalent thereof.
Accompanying drawing explanation
Fig. 1 is the figure of the example that the network architecture is described.
Fig. 2 is the figure of the example that access network is described.
Fig. 3 is the figure of the example of frame structure illustrating to use within the access network.
Fig. 4 is illustrated in LTE the exemplary format for UL.
Fig. 5 is to illustrate for user and the figure of the example of the radio protocol architecture controlling plane.
Fig. 6 is the figure of the example that enode b and subscriber equipment in access network are described.
Fig. 7 is the figure that the range expansion cellular region in heterogeneous network is described.
Fig. 8 is the figure that example grand eNB and the RRH configuration in access network is described.
Fig. 9 is the figure that the multiple grand eNB/RRH community in access network is described.
Figure 10 is that the figure according to the community comprising enode b and remote radio heads on the one hand is described.
Figure 11 is that the figure according to the example codebook being associated with RRH quiet mode configuration on the one hand is described.
Figure 12 is the flow chart of the method for radio communication.
Figure 13 is the conceptual data flow chart that the data stream between the disparate modules/device/assembly in demonstration equipment is described.
Figure 14 is the figure illustrating to use the example of the hardware embodiments of the equipment of processing system.
Figure 15 is the flow chart of the other method of radio communication.
Figure 16 is the conceptual data flow process that the data stream between the disparate modules/device/assembly in another demonstration equipment is described
Figure.
Figure 17 is functional conceptual schema that another demonstration equipment is described.
Detailed description of the invention
Detailed description below in conjunction with accompanying drawing statement is set as the description to various configurations, and set not indicating that wherein may be used
That puts into practice concept described herein only has configuration.Describe in detail and comprise detail for providing detailed to each conception of species
Understand to the greatest extent.But be understood by those skilled in the art that, can be put into practice these in the case of there is no these details
Concept.In some instances, show well-known structure and assembly in form of a block diagram, in order to avoid obscuring this little concepts.
Some aspects of telecommunication system are presented referring now to various equipment and method.Retouch in will be described in detail below
State and in the accompanying drawings by various pieces, module, assembly, circuit, step, process, algorithm etc. (be referred to as " unit
Element ") these equipment and method are described.These elements can use electronic hardware, computer software or its any combination
Implement.This dvielement is embodied as hardware or software depends on application-specific and the design that applies whole system about
Bundle.
For example, any combination of element or any portion of element or element can be with comprising at one or more
" processing system " of reason device is implemented.The example of processor comprises microprocessor, microcontroller, digital signal processor
(DSP), field programmable gate array (FPGA), programmable logic device (PLD), state machine, gate control logic, discrete firmly
Part circuit, and be configured to perform to run through other appropriate hardware various functional that the present invention describes.In processing system
One or more processors can perform software.Software should be broadly interpreted as meaning instruction, instruction set, code,
Code segment, program code, program, subprogram, software module, application program, software application, software kit, example
Journey, subroutine, object, executable program, execution thread, process, function etc., the most referred to as software, firmware,
Middleware, microcode, hardware description language or other.
Therefore, in one or more one exemplary embodiment, described function can use hardware, software, firmware
Or its any combination implements.If implemented with software, then function can exist as one or more instructions or code
Store on computer-readable media or encode.Computer-readable media comprises computer storage media.Storage media can be can
By any useable medium of computer access.For example and and unrestricted, this type of computer-readable media can include RAM,
ROM, EEPROM, CD-ROM or other optical disk storage apparatus, disk storage device or other magnetic storage device,
Or can be used to instruction or the form carrying of data structure or store wanted program code and can any by computer access
Other media.As used herein, disk and CD comprise compact disk (CD), laser-optical disk, optical compact disks, number
Word multifunctional optical disk (DVD), floppy disc and Blu-ray Disc, wherein disk the most magnetically regenerates data, and CD
Laser is used to regenerate data optically.Combination of the above also should be included in the range of computer-readable media.
Fig. 1 is the figure that LTE network framework 100 is described.LTE network framework 100 can be described as evolution packet system (EPS) 100.
EPS 100 can comprise one or more subscriber equipmenies (UE) 102, evolution UMTS Terrestrial Radio Access Network network
(E-UTRAN) 104, evolution bag core (EPC) 110, home subscriber server (HSS) 120 and operator IP service 122.
EPS can be with other access of internet interlock, but in order to simply not show these entity/interfaces.As it can be seen, EPS provides bag
Exchange Service, but it will be apparent to those skilled in the art that running through each conception of species that the present invention presents extends to
The network of circuit switched service is provided.
E-UTRAN comprises enode b (eNB) 106 and other eNB 108.ENB 106 provides towards UE 102
User and control plane protocol terminations.ENB 106 can be connected to other eNB 108 via X2 interface (such as, backhaul).
ENB 106 alternatively referred to as base station, base transceiver station, radio base station, radio transceiver, transceiver function, basic
Set of service (BSS), expansion service set (ESS) or certain other suitable term.ENB 106 provides right for UE 102
The access point of EPC 110.The example of UE 102 comprise cellular phone, smart phone, SIP (SIP) phone,
Laptop computer, personal digital assistant (PDA), satelline radio, global positioning system, multimedia device, video
Device, digital audio-frequency player (such as, MP3 player), camera, game console, or any other like function
Device.Those skilled in the art also UE 102 can be referred to as mobile station, subscriber stations, mobile unit, subscri er unit,
Radio-cell, remote unit, mobile device, wireless device, radio communication device, remote-control device, mobile subscriber stations,
Access terminal, mobile terminal, wireless terminal, remote terminal, hand-held set, user agent, mobile client, client
Or certain other suitable term.
ENB 106 is connected to EPC 110 by S1 interface.EPC 110 comprise Mobility Management Entity (MME) 112,
Other MME 114, gateway 116 and packet data network (PDN) gateway 118.MME 112 is to process UE 102
And the control node of the signaling between EPC 110.Generally, MME 112 provides carrying and connection management.All users
IP bag is to be transmitted by gateway 116, and gateway is itself coupled to PDN Gateway 118.PDN Gateway 118 carries
For the distribution of UE IP address and other function.PDN Gateway 118 is connected to operator IP service 122.Operator IP
Service 122 can comprise the Internet, Intranet, IP Multimedia System (IMS) and PS streaming service (PSS).
Fig. 2 is the figure of the example that the access network 200 in LTE network framework is described.In this example, access network
200 are divided into some cellular region (community) 202.One or more lower-wattage classes eNB 208 can have and community
The cellular region 210 of the one or more overlaps in 202.Lower-wattage class eNB 208 can be described as long haul radio
Head end (RRH).Lower-wattage class eNB 208 can be Femto cell (such as, family eNB (HeNB)), picocell
Or Microcell.Grand eNB 204 is the most assigned to respective cell 202, and is configured to as all UE in community 202
206 provide the access point to EPC 110.Centerized fusion device is there is not in this example of access network 200, but
Alternative arrangements can use centerized fusion device.ENB 204 is responsible for all radio-related functions, comprises radio bearer
Control, access control, mobility control, scheduling, safety and the connectivity to gateway 116.
Modulation and Multiple Access scheme that access network 200 uses can be depending on the certain telecommunications standards just disposed and change.?
LTE application in, on DL use OFDM and on UL use SC-FDMA with support FDD (FDD) and
Time division duplex (TDD).Those skilled in the art from detailed description subsequently it will be readily appreciated that present is each herein
The conception of species is highly suitable for LTE application.But, these concepts can be easily extended to use other modulation and multiple access technology
Other telecommunication standard.For example, these concepts extend to Evolution-Data Optimized (EV-DO) or Ultra-Mobile Broadband
(UMB).EV-DO and UMB is that the part as CDMA2000 standard series is by third generation partner program 2
(3GPP2) air-interface standard promulgated, and use CDMA to provide the broadband the Internet to mobile station to access.These
Concept also extends to other modification (such as TD-SCDMA) of employing wideband CDMA (W-CDMA) and CDMA
Universal terrestrial radio accesses (UTRA), uses the global system for mobile communications (GSM) of TDMA, and evolution UTRA
(E-UTRA), Ultra-Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20
With the quick flashing OFDM using OFDMA.UTRA, E-UTRA, UMTS, LTE and GSM are from 3GPP
Described in the document of tissue.CDMA2000 and UMB is described in the document organized from 3GPP2.The reality used
Border wireless communication standard and multiple access technology will depend upon which application-specific and force at the overall design constraints of system.
ENB 204 can have the multiple antennas supporting MIMO technology.The use of MIMO technology makes the eNB 204 can
Utilize spatial domain to support spatial multiplexing, beam shaping and transmitting diversity.Spatial multiplexing may be used at same frequency
Launch different data streams in rate simultaneously.Data stream can be transmitted into single UE 206 to increase data rate or to be transmitted into multiple
UE 206 is to increase overall system capacity.This be by each data are flow to row space pre-decode (that is, application amplitude and
The bi-directional scaling of phase place) and launched often next real once the stream of space pre-decode subsequently on DL by multiple transmitting antennas
Existing.Arriving UE 206 through the data stream of space pre-decode with different spaces feature, it is each that this makes in UE 206
Person can recover the one with described UE 206 as destination or more than one data stream.On UL, each UE
206 launch the data stream through space pre-decode, and this makes eNB 204 be capable of identify that often once the data stream of space pre-decode
Source.
The most generally use spatial multiplexing.When channel condition is more undesirable, wave beam can be used to become
Shape assembles emitted energy on one or more directions.This can be by carrying out space pre-decode with by many to data
The transmitting of individual antenna realizes.In order to realize the good covering at cell edge, single stream wave beam can be used in conjunction with launching diversity
Forming transmission.
In detailed description subsequently, with reference to the mimo system of the OFDM supported on DL, access network will be described
Various aspects.OFDM is the spread spectrum technique modulating data on the some subcarriers in OFMD symbol.Secondary
Carrier wave is spaced apart with precise frequency.Spacing provides " orthogonality " so that receptor can recover the data from subcarrier.
In the time domain, protection interval (such as, Cyclic Prefix) can be added each OFDM symbol to resist between OFDM symbol
Interference.UL can use the SC-FDMA of the form extending ofdm signal in DFT-to compensate height power ratio
(PAPR)。
Fig. 3 is the figure of the example that the DL frame structure 300 in LTE is described.Frame (10ms) can be divided into 10 equal greatly
Little subframe.Each subframe can comprise two continuous print time slots.Resource grid can be used to represent two time slots, per a period of time
Gap comprises a Resource Block.Resource grid division is multiple resource element.In LTE, Resource Block contains in frequency domain 12
Individual continuous subcarrier, and for the normal cyclic prefix in each OFDM symbol, containing 7 continuous OFDM in time domain
Symbol, or 84 resource elements.As some in the resource element of R 302,304 instruction comprise DL reference signal
(DL-RS).DL-RS comprises the specific RS in the specific RS in community (CRS) (being also sometimes referred to as common RS) 302 and UE
(UE-RS)304.UE-RS 304 only shares at corresponding physics DL and launches on the Resource Block that channel (PDSCH) be mapped to.
The number of the position of each resource element carrying depends on modulation scheme.Therefore, UE receive Resource Block is the most and modulation methods
Case is the highest, then the data rate of UE is the highest.
Fig. 4 is the figure of the example that the UL frame structure 400 in LTE is described.Available resource block for UL may be partitioned into
Data segments and control section.Control section can system bandwidth Liang Ge edge formed and can have configurable greatly
Little.Control the Resource Block in section and can be assigned to the UE transmitting for the information of control.Data segments can comprise
It is contained in all Resource Block controlled in section.UL frame structure causes data segments to comprise adjacent subcarrier, and it can allow
Single UE is assigned all of its neighbor subcarrier in data segments.
Resource Block 410a, 410b of controlling in section can be assigned so that control information is transmitted into eNB UE.Also can be right
UE assigns Resource Block 420a, the 420b in data segments to transmit data to eNB.UE can be in controlling section
Physics UL on assigned Resource Block controls emission control information in channel (PUCCH).UE can institute in data segments
Assign the physics UL on Resource Block to share channel (PUSCH) is only launched data or launches data and control both information.
UL transmitting may span across two time slots of a subframe and can jump in frequency.
One group of Resource Block can be used to perform starter system access and to realize in Physical Random Access Channel (PRACH) 430
UL synchronizes.PRACH 430 carrying random sequence and cannot carrying any UL data/signaling.Before each Stochastic accessing together
Step code occupies the bandwidth corresponding to six continuous resource blocks.Initial frequency is specified by network.It is to say, before Stochastic accessing
The transmitting of synchronous code is limited to some time and frequency resource.Frequency agility is not had for PRACH.PRACH attempts being to carry
Transport in single subframe (1ms) or minority adjoins in the sequence of subframe, and UE can often only make single by frame (10ms)
PRACH attempts.
Fig. 5 is the figure of the example of the radio protocol architecture 500 that user and control plane in LTE are described.With three
The displaying of individual layer is for the radio protocol architecture of UE and eNB: layer 1, layer 2 and layer 3.Layer 1 (L1 layer) is lowermost layer
And implement various physical layer signal process function.L1 layer is referred to as physical layer 506 herein.Layer 2 (L2 layer) 508 are at thing
On reason layer 506, and the responsible link by physical layer 506 between UE and eNB.
In user plane, L2 layer 508 comprises medium education (MAC) sublayer 510, radio link controls (RLC)
Sublayer 512 and bag data convergence protocol (PDCP) 514 sublayer, these sublayers terminate at the eNB on network side.Though
The most not shown, but UE can have the some upper layer on L2 layer 508, comprises the PDN terminating on network side
Internet (such as, IP layer) at gateway 118 and terminate at the other end (such as, far-end UE, server etc.) of connection
The application layer at place.
PDCP sublayer 514 provides the multiplexing between different radio carrying and logic channel.PDCP sublayer 514
Also provide for the header compressed for upper layer packet and launch expense to reduce radio, provide peace by encryption data bag
Quan Xing, and the handover support to UE between eNB is provided.Rlc sublayer 512 provides upper layer packet
Segmentation and Reassembly dress, re-emitting of lost data packets and reordering with compensation owing to mixed automatic retransfer please of packet
Seek the received out-of-order that (HARQ) causes.Media access control sublayer 510 provides the multiplexing between logical AND transport channel.MAC
Sublayer 510 is also responsible between UE distributing the various radio resources (such as, Resource Block) in a community.MAC
Layer 510 is also responsible for HARQ operation.
In the control plane, for the radio protocol architecture of UE and eNB for physical layer 506 and L2 layer 508
Say substantially the same, but not used for controlling the header compressed function of plane.Control plane also to comprise in layer 3 (L3 layer)
Radio resource controls (RRC) sublayer 516.RRC sublayer 516 is responsible for obtaining radio resource (that is, radio bearer)
And use the RRC signaling between eNB and UE to configure lower layer.
Fig. 6 is the block diagram of the eNB 610 communicated with UE 650 within the access network.In DL, from core network
Upper layer packets controller/processor 675 is provided.The functional of L2 layer implemented by controller/processor 675.At DL
In, controller/processor 675 provides header compressed, encryption, bag segmentation and reorders, between logical AND transport channel
Multiplexing, and measure the radio resources allocation to UE 650 based on various priority.Controller/processor 675
It is also responsible for HARQ operation, the re-emitting of lost package, and the signaling to UE 650.
The various signal processing functions for L1 layer (that is, physical layer) implemented by TX processor 616.Signal processing function bag
Containing the forward error correction (FEC) decoding and being interleaved at promotion UE 650 and based on various modulation schemes (such as, two
Unit's phase-shift keying (PSK) (BPSK), QPSK (QPSK), M phase-shift keying (PSK) (M-PSK), M quadrature amplitude modulation
(M-QAM)) to the mapping of signal cluster.Subsequently by decoded and be modulated symbol and be split into parallel stream.Subsequently by each
Stream is mapped to OFDM subcarrier, multiplexes with reference signal (such as, pilot tone) in the time and/or frequency domain, and subsequently
Fast Flourier inverse transformation (IFFT) is used to combine to produce the physical channel of carrying time-domain OFDM symbol stream.
OFDM flows through space pre-decode to produce multiple spatial flows.The channel carrying out channel estimator 674 is estimated to may be used to determine
Decoding and modulation scheme, and for spatial manipulation.Channel is estimated can be from the reference signal launched by UE 650 and/or letter
Road condition feedback is derived.Each spatial flow provides different antennae 620 via independent emitter 618TX subsequently.Each
Emitter 618TX is for the additional space stream modulation RF carrier wave launched.
At UE 650, each receptor 654RX receives signal by its respective antenna 652.Each receptor
654RX recovers the modulation information to RF carrier wave, and provides information into reception (RX) processor 656.RX processor
The 656 various signal processing functions implementing L1 layer.RX processor 656 performs spatial manipulation to recover with UE to information
650 is any spatial flow of destination.If multiple spatial flows are with UE 650 as destination, then it can be by RX process
Device 656 is combined in single OFDM symbol stream.RX processor 656 uses fast fourier transform (FFT) to incite somebody to action subsequently
OFDM symbol stream is transformed into frequency domain from time domain.Frequency-region signal includes the independent of each subcarrier for ofdm signal
OFDM symbol stream.Symbol and reference signal on each subcarrier are the most probables being determined by being launched by eNB 610
Signal constellation points is recovered and demodulates.These soft decisions can be estimated based on the channel calculated by channel estimator 658.Subsequently
Soft decision described in decoding and release of an interleave is to recover on the physical channel by data and the control signal of eNB 610 original transmitted.
Controller/processor 659 is provided subsequently by data and control signal.
L2 layer implemented by controller/processor 659.Controller/processor can be with storage program code and the memorizer of data
660 are associated.Memorizer 660 can be described as computer-readable media.In UL, controller/processor 659 provides defeated
The demultiplexing between logic channel, bag re-assemble, deciphering, header decompression, control signal is sent to process to recover
Upper layer packets from core network.Upper layer packets provides data remittance 662 subsequently, and it represents the institute on L2 layer
Protocols having layer.Various control signals also can provide data converge 662 for L3 process.Controller/processor 659
It is also responsible for using and confirms that (ACK) and/or Negative Acknowledgement (NACK) agreement carry out error detection to support HARQ operation.
In UL, use data source 667 that upper layer packets provides controller/processor 659.Data source 667 table
Show all protocol layers on L2 layer.Be similar to combine the DL of eNB 610 launch described by functional, controller/
Processor 659 provides header compressed, encryption, bag segmentation by radio resources allocation based on eNB 610 and reorders
And the multiplexing between logical AND transport channel, implement for user plane and the L2 layer of control plane.Control
Device/processor 659 is also responsible for HARQ operation, the re-emitting of lost package, and the signaling to eNB 610.
The feedback estimated from the channel that reference signal derives by channel estimator 658 or launched by eNB 610 can be by TX
Reason device 668 uses to select suitable decoding and modulation scheme, and promotes spatial manipulation.Produced by TX processor 668
Spatial flow provide different antennae 652 via independent emitter 654TX.Each emitter 654TX is for transmitting
Additional space stream modulation RF carrier wave.
In the way of being similar to combine the receptor function description at UE 650, similar mode processes UL at eNB 610
Launch.Each receptor 618RX receives signal by its respective antenna 620.Each receptor 618RX recovers modulation
Information on RF carrier wave, and provide information into RX processor 670.RX processor 670 can implement L1 layer.
L2 layer implemented by controller/processor 675.Controller/processor 675 can be with storage program code and the storage of data
Device 676 is associated.Memorizer 676 can be described as computer-readable media.In UL, controller/processor 675 provides
Demultiplexing between conveying and logic channel, bag re-assemble, deciphering, header decompression, control signal process to recover
Upper layer packets from UE 650.Upper layer packets from controller/processor 675 can provide core network.Control
Device/processor 675 is also responsible for using ACK and/or NACK agreement to carry out error detection to support HARQ operation.
Fig. 7 is the figure that the range expansion cellular region in heterogeneous network 700 is described.The lower-wattages such as such as RRH 710b
Class eNB can have range expansion cellular region 703, and it is by the enhancing community between RRH 710b and grand eNB 710a
Between interference coordination and eliminated by the interference that performed by UE 720 and extend from cellular region 702.Do strengthening minizone
Disturbing in coordination, RRH 710b receives the information of the disturbed condition about UE 720 from grand eNB 710a.Described information permits
Permitted RRH 710b and served the UE 720 in range expansion cellular region 703, and extended honeybee in UE 720 entry range
The UE 720 handover from grand eNB 710a is accepted during socket district 703.
Fig. 8 is the figure that example grand eNB and the RRH configuration in access network 800 is described.Access network 800 can comprise
Multiple communities.Community can comprise grand eNB 802 and one or more RRH 804.In an aspect, grand eNB
802 and RRH 804 can connect 806 by optical cable, X2 backhaul etc..Additionally, grand eNB 802 can provide first to cover
Cover region territory 808, and RRH 804 can provide associated coverage areas 810.Generally, UE 812 can be from access network 800
Receive service.In an aspect, CRS is common on whole community, i.e. grand eNB 802 and RRH 804
Common CRS can be launched.
In an aspect of UE 812, can make UE 812 that wireless protocols can be used to communicate with community.This leads to
Letter agreement can be including (but not limited to) LTE version 8, LTE version 9, LTE version 10, LTE version 11 etc..For
Thering is provided service to UE 812, for the channel used by UE 812 814 being obtained channel estimation parameter, and can be able to obtain
Obtain Interference Estimation parameter to measure interference 816.In an aspect, interference 816 can be derived from potentially other RRH 804,
Grand eNB 802 and/or other community.Present now and estimate for channel and the various schemes of Interference Estimation.
It should be noted that applicable channel is estimated and/or Interference Estimation scheme can be depending on UE 812 and is configured to the wireless of use
Agreement.In an aspect, UE 812 is operable to measure the compound channel from grand eNB 802 and/or RRH 804.
This can be the situation that UE 812 is limited to signaling based on LTE version 8 and/or LTE version 9.In in this regard, can
By using common cell specific reference signals (CRS) to perform Interference Estimation.In in this regard, cell splitting cannot become
For possible, because CRS is common on whole community.In an aspect, cell splitting is for close proximity RRH
The UE 812 (such as, high geometry UE) of 804 can be possible.Additionally, UE 812 can codebook may non-pin
This configuration is optimized, and therefore it may happen that certain performance loss.
In an aspect of community 808, CRS can individually be launched by grand eNB 802.In in this regard, as grand eNB
During 802 transmitting CRS, due to automatic growth control (AGC) problem, it is possibly close to RRH 804 and stops work.
In the another aspect of community 808, CRS can be launched by grand eNB 802 and RRH 804.In in this regard,
Can perform antenna virtualization, the grandest eNB 802 is configured to carry out sending out as RRH 804 with different number of antenna
Penetrate.In other words, grand eNB 802 and RRH 804 can be increased or decreased antenna end relative to the number of available physical antenna
The number of mouth.
In the another aspect of UE 812, UE 812 operable with measure channel state information resource signal (CSI-RS) and
Demodulation resource signal (DM-RS).In the case of UE 812 is the UE with LTE version 10 function, may go out
Existing above-mentioned situation.Owing to CSI-RS and DM-RS need not common cell particular configuration, therefore by CSI-RS and
The UE particular configuration of DM-RS can realize cell splitting.In this configuration, CRS may be used to transmit control information, and can
Launched by grand eNB 802.Additionally, RRH 804 feedback can obtain based on the UE such as such as CSI-RS 812 particular value,
But codebook may currently not be configured to effectively enable this feedback.
In another senior aspect, UE 812 can use the most enhanced to allow the codebook of feedback between RRH 804, and because of
This allows the RRH 804 of the improvement for UE 812 service to select.At UE 812, there is LTE version 11 function
In the case of UE, it is possible that this situation.This UE can be enabled to perform to strengthen Inter-Cell Interference Coordination (eICIC).
UE 812 operable with measure from grand eNB 802 and/or RRH 804 compound channel (such as, if UE
Be configured to use this emission mode) aspect in, UE 812 can perform Interference Estimation.In in this regard, CRS signal
May be used to measure the interference contribution from other community.On the contrary, CRS can not in order to measure intra-cell interference because based on
The CQI feedback of CRS may be unreliable, because it carries out launching based on grand and all RRH or the grandest launches
Assume.In an aspect, detection RS (SRS) is measured and can be used and can be combined these measurement and UE by grand eNB 802
812 reports are to form combinational estimation.Fig. 9 discusses the example that other area interference is measured.Launch at the grandest eNB 802
In the aspect of CRS, Interference Estimation is it is contemplated that launch the contingent potential contribution from RRH 804 for PDSCH.
In in terms of another like, private resource signal (RS) can be used to realize cell splitting.In in this regard, TDD can be used
In reciprocity principle perform Interference Estimation.
Raise wages source signal operable conciliate with measure channel state information resource signal (CSI-RS) of UE 812
(DM-RS), in aspect (such as, if UE is configured to use this emission mode), UE 812 can perform Interference Estimation.
In in this regard, the emission mode such as such as emission mode 9 (TM9) may be used to realize the process of CSI-RS value.Additionally, such as
Upper described, UE 812 possibly cannot be efficiently used CRS for the Interference Estimation in community, but CRS can still be used for is little
District's Interference Estimation.In one aspect, CSI-RS noise elimination can be used for Interference Estimation.Noise elimination discussed further in Figure 10 and 11
Scheme.In operation, noise elimination scheme makes to receive, from least one RRH 804 or grand eNB 802, the UE that data are launched
812 can measure interference and the noise being derived from other launch point (such as, RRH 804 and/or grand eNB 802).Interference and
This estimation of noise make use of the knowledge of UE, i.e. on the resource element specified by quiet mode, at least one
Service transmission point (such as, RRH 804 and/or grand eNB 802) is through noise elimination.Thus, UE can be in defined interim
Capture the interference launched from (such as, the PDSCH) of adjacent R RH 804 and grand eNB 802.In another aspect, may be used
Use similar noise elimination configuration to perform channel to estimate.In another further aspect, launch to reduce expense potentially, channel
Estimate that CSI-RS can be embedded in quiet mode.After using value embedded to perform channel estimation, can subtract from CSI-RS
The channel estimated is gone to contribute to allow Interference Estimation.In another further aspect, channel and Interference Estimation can use MBSFN
Subframe.In in this regard, the CRS during MBSFN can be disabled and launch.Additionally, can disable in the MBSFN sub-frame phase
Between occur other launch, such as system information block (SIB).
Fig. 9 is the figure that the multiple grand eNB/RRH community in access network 900 is described.As it has been described above, CRS may be used to
Measure interference value outside community.The access network 900 described in Fig. 9 comprises Liang Ge community, and wherein the first community comprises grand eNB
902 and RRH 904, and the second community comprises grand eNB 906 and RRH 908.Generally, from the first or second community
CRS may be used to estimate interference contribution outside community.For example, UE 912 can have and the connection 914 of grand eNB 906,
And the interference 916 from least one in grand eNB 906 and RRH 908 can be received.In in this regard, CRS can use
In the Interference Estimation that grand/RRH is arranged.
Figure 10 be illustrate example in access network 1000 grand/figure of RRH community.The access network 1000 described in Figure 10
Comprise grand eNB 1002 and multiple RRH (1004A, 1004B, 1004C, 1004D).Although describing four in Fig. 10
Individual RRH, but those skilled in the art understands subject matter and is not limited to four RRH.In an aspect, grand eNB
1002 and RRH 1004 can connect 1006 by optical cable, X2 backhaul etc..Additionally, grand eNB 1002 can provide
One overlay area 1008, and RRH (1004A, 1004B, 1004C, 1004D) can provide associated coverage areas (1010A,
1010B、1010C、1010D).In operation, quiet mode can make from one or more RRH (1004A,
1004B, 1004C, 1004D) transmitting noise elimination with reduce be derived from its overlay area (1010A, 1010B, 1010C, 1010D)
Transmitting, and thus reduce interference.Thus, UE 1012 can use following knowledge, i.e. is being specified by quiet mode
Resource element on, at least one service transmission point (such as, 1004A, 1004B, 1004C and/or 1004D) is through noise elimination.
See Figure 11 discussion and configure for the codebook of quiet mode.It is further noted that in above-described aspect, community
Can have single subdistrict ID and maybe can have multiple community ID.In an aspect, grand eNB 1002 can signal
Multiple identifiers (ID) corresponding to the multiple launch points (1004A, 1004B, 1004C, 1004D) in Serving cell 1008.
Figure 11 is the figure of the example codebook configuration 1100 that explanation is associated with RRH quiet mode.Example codebook 1100 is
There is provided for 1102, four CSI-RS ports 1104 of two CSI-RS ports and eight CSI-RS ports 1106.
In operation, each CSI-RS port can be assigned and can be assigned to single to different UE and/or multiple CSI-RS port
UE.Various shaded block is used to describe the position of various RS.For example, reference element 1108 describes CRS port 1
With 2, and reference element 1110 describes CRS port 3 and 4；Reference element 1112 and 1114 describes DM-RS (LTE respectively
Version 8) and DM-RS (LTE version 9 and 10) port；Reference element 1116 describes PDCCH；And reference element 1118
Describe PDSCH.Additionally, reference element 1120 describes CSI-RS packet.During the enforcement of quiet mode, CSI-RS
Different grouping can be through noise elimination to allow channel and/or Interference Estimation.Additionally, when noise elimination configuration is based on 4CSI-RS end
During mouth die formula, can exist altogether 10 be configured to FDD (being configured by higher level).Furthermore, if two CSI-RS ends
Mouth is configured for use in RRH, then CSI-RS can be embedded in quiet mode, and after the channel estimation, can deduct
The CSI-RS embedded is to improve Interference Estimation.
CSI-RS 1120 noise elimination can be configured so that the PDSCH of at least some in noise elimination resource and other community
Launch conflict.Grand eNB/RRH network can adjust the interference received by UE and noise, described interference in these resources
With interference and the noise that noise would indicate that thus UE 1012 experience during downlink data transmission.Additionally, at LTE
In version 10, quiet mode follows the CSI-RS pattern for 4 antenna ports, and this allows to can be used for FDD configuration
10 patterns and normal cyclic prefix (CP) length.It should be noted that the number of pattern can be slightly different for other configuration.
Grand/network can coordinate these patterns on RRH is arranged.
The CSI-RS pattern for UE configuration estimated for channel can be overlapping with quiet mode.In an aspect,
Expense can be used and provide benefit by partly overlapping configuration.One in this respect in, if UE be configured for use in by
The CSI-RS feedback of 1 or 2 antenna port, then therefore this pattern can be embedded in quiet mode so that corresponding to
The RE of CSI-RS pattern is without noise elimination.CSI-RS pattern can be used subsequently to channel and estimate, its contribution can quilt after this
Deduct and be used equally to Interference Estimation through noise elimination RE and the RE being originally used for CSI-RS.
For being able to carry out the UE (such as, have the UE of LTE version 11 function) of eICIC, specific quiet mode can
For Interference Estimation or for improving the channel estimating performance of another community.In an aspect, the UE of LTE version 11
Operable to perform to strengthen Inter-Cell Interference Coordination (eICIC).Depend on the set purpose of quiet mode, at both of these case
Under the interference that runs into can be extremely different.Having this signaling can make UE that noise elimination can be used to realize both purposes.
Figure 12 is the flow chart 1200 of the method for radio communication.In fig. 12, the frame with dashed boundaries represents disclosed
Optional step in method.
In an optional aspect, at frame 1202, grand eNB can configure two or more resources modes with auxiliary
UE measures channel status condition.In an aspect, said two or two or more resources mode can be through semi-statically joining
Put.As used herein, be semi-statically configured may refer to configure indefinitely in setting time etc. said two or two with
Upper resources mode.
At frame 1204, the grandest eNB can signal at least based on first resource pattern and Secondary resource to UE
Pattern measures channel status condition.In an aspect, signaling can individually be launched from grand eNB, and in another aspect,
Signaling can be launched from grand eNB and/or one or more RRH.As used herein, measuring of channel condition may refer to
Channel estimates measured value and channel disturbance measured value.In an aspect, first resource pattern may be identified for channel estimation
Resource, and Secondary resource pattern may be identified for the resource of Interference Estimation.In in this regard, first resource pattern can be
CSI-RS pattern and Secondary resource pattern can be CRS pattern.In another aspect, by from corresponding first resource pattern
Resource deducts one or more pilot signals can process first resource pattern, and treated first resource pattern further
Can also be used for Interference Estimation.Additionally, the first and second resources modes can be all CSI-RS pattern.In optional aspect,
Can signal information resources pattern, wherein first resource pattern may be identified for assisting for from one or more
The resource that the channel of one or more signals readjusting the distribution exit point is estimated, Secondary resource pattern may be identified for for one
Or the resource of the Interference Estimation pattern of more than one signal, and information resources pattern may be identified for for from one
Or the resource of the Interference Estimation of one or more signals outside more than one coordinates transmission point.In in this regard, the
Three resources modes may correspond to one or more CRS patterns of one or more than one coordinates transmission point.This
Outward, in an aspect, UE is operable to perform eICIC.In another aspect, signaling also can comprise corresponding to described
The ID (such as, grand eNB and/or RRH) of one or more launch points, and one or more than one launch point
Can be based on the one or more coordination signals in resources mode (such as, first and/or Secondary resource pattern) to correspond to
One or the transmitting of more than one launch point during launching to the expection of UE.
At frame 1206, grand eNB can receive channel status Conditions Report from UE.In an aspect, it is included in report
Channel status condition value in announcement can use the survey that first resource pattern and Secondary resource pattern are carried out at least in part from UE
Amount derives.In other words, comprise can be based on channel estimation value and the information of channel interference values for channel status Conditions Report.
At frame 1208, grand eNB can be based at least partially in channel status Conditions Report the information received and dispatch
One or more resources for described UE.When being defined as UE and dispatching which resource, grand eNB it is contemplated that
Other factors, the grandest eNB derive measured value, cell load, network derive measured value, from other UE's
Channel status Conditions Report etc..
Figure 13 is the conceptual data flow process that the data stream between the disparate modules/device/assembly in demonstration equipment 106 is described
Figure 130 0.Equipment 106 comprises module 1302, and it is configurable in order to assist UE to carry out the various resources of channel status measurement
Pattern.In an aspect, channel status condition can comprise channel estimation and Interference Estimation.In an aspect, resource
Pattern configurations module 1302 can be based on semi-static and configuration mode.Additionally, resources mode configuration module 1302 can configure the
One resources mode 1304 carries out channel with auxiliary UE and estimates to measure, and configuration Secondary resource pattern 1306 is to assist UE
Carry out channel disturbance measurement.In an aspect, each in the first and second resources modes can be CRS, CSI-RS
Etc. isotype.In optional aspect, resources mode configuration module 1302 can configure further information resources pattern 1308 with
Assist the Interference Estimation outside coordinates transmission point set (such as, Serving cell).At this in optional aspect, the 3rd money
Source module 1308 can be CRS pattern.Equipment 106 can further include transmitter module 1310, and it signals logical to UE
Know that resources mode measures a part for request 1312 as channel status.
Additionally, equipment 106 can comprise the receiver module 1312 receiving channel status Conditions Report 1314 from UE, and
It is based at least partially on the value being included in channel status Conditions Report 1314 and dispatches the module of the resource for UE
1316.Equipment 106 can further include RRH communication module 1322, and it can will receive from one or more RRH
Channel status Conditions Report 1314 be sent to scheduling of resource module 1316.Subsequently, scheduling of resource module 1316 can be passed through
Transmitter module 1310 transmits scheduling of resource message 1318.Additionally, scheduling of resource module 1316 can be by channel state feedback
1320 provide resources mode configuration module 1302 to produce, to assist potentially, the resources mode improved.
Described equipment can comprise additional modules, and it performs each step of the algorithm in the above-mentioned flow chart of Figure 12.Thus,
Each step in above-mentioned flow chart Figure 12 can be performed by module, and equipment can comprise the one in those modules or one
Above.Module can by being configured to one or more nextport hardware component NextPorts of process/algorithm implementing to be stated specifically,
Implemented by the processor being configured to process/algorithm that execution is stated, be stored in computer-readable media interior for processor
Implement, or its certain combination.
Figure 14 is the figure illustrating to use the example of the hardware embodiments of the equipment 106 ' of processing system 1414.Processing system
The bus architecture that 1414 can generally be represented by bus 1424 is implemented.Bus 1424 can be depending on processing system 1414
Concrete application and overall design constraints and comprise any number of interconnection bus and bridger.Bus 1424 will comprise by
Processor 1404, module 1302,1310,1312,1316,1322 and one of computer-readable media 1406 expression
Or the various electrical chains of more than one processor and/or hardware module are connected together.Bus 1424 also can link such as sequential
Other circuit various such as source, ancillary equipment, voltage regulator and power management circuitry, described circuit is many in technique
Well known and therefore will not do any further describing.
Described equipment comprises the processing system 1414 being coupled to transceiver 1410.Transceiver 1410 is coupled to one or one
Above antenna 1420.Transceiver 1410 provides the device for communicating with various miscellaneous equipments via transmission media.Process
System 1414 comprises the processor 1404 being coupled to computer-readable media 1406.General process be responsible for by processor 1404,
Comprise the execution of the software being stored on computer-readable media 1406.Software causes when being performed by processor 1404
Reason system 1414 performs various function described above for any particular device.Computer-readable media 1406 can also be used with
In the data that storage is handled when performing software by processor 1404.Processing system comprise further module 1302,1310,
1312,1316 and 1322.Module can be in processor 1404 run software module, resident/being stored in computer can
Read the software module in media 1406, be coupled to one or more hardware modules of processor 1404, or its certain
Combination.Processing system 1414 can be the assembly of eNB 610, and can comprise memorizer 676 and/or TX processor 616,
At least one in RX processor 670 and controller/processor 675.
Figure 15 is the flow chart 1500 of the method for radio communication.
At frame 1502, UE can receive and comprise at least first resource pattern and the signaling of Secondary resource pattern.A side
In face, signaling can individually receive from grand eNB, and in another aspect, and signaling can be from grand eNB and/or one or one
Any combined reception of above RRH.In an aspect, first resource pattern can be used for channel and estimates, and the second money
Source module can be used for Interference Estimation.In in this regard, first resource pattern can be CSI-RS pattern and Secondary resource pattern
It can be CRS pattern.In an aspect, one or more CRS received from one or more launch points
Pattern can be used for Interference Estimation.Additionally, the first and second resources modes can be all CSI-RS pattern.In an aspect,
Can signal information resources pattern, wherein first resource pattern is useful for from or in Serving cell
The channel of individual above signal is estimated, Secondary resource pattern is useful for from one or more letters in Serving cell
Number Interference Estimation pattern, and information resources pattern is useful for from coordinates transmission point set (such as, Serving cell)
Outside the Interference Estimation of one or more signals.In in this regard, information resources pattern may correspond to and described one
One or more CRS patterns that individual or more than one launch point is corresponding.Additionally, in an aspect, UE can grasp
Make to perform eICIC.In another aspect, signaling also can comprise corresponding to one or more in Serving cell
The ID of exit point (such as, grand eNB and/or RRH), and grand eNB and multiple launch point can be based on the one in resources mode
(such as, Secondary resource pattern) coordinates pre-with corresponding to UE of the signal from the multiple launch points in Serving cell
The transmitting of the plurality of launch point during phase transmitting.
At frame 1504, UE can be based at least partially on first resource pattern and performs Interference Estimation and be based at least partially on
Secondary resource pattern performs channel and estimates.In another aspect, in the case of receiving information resources pattern, UE can
Use information resources pattern to assist and determine interference outside community.In another aspect, wherein the first and second resources mode bag
Containing CRI-RS pattern, UE can measure may the known CSI-RS mould not launching (such as, through noise elimination) in CSI-RS pattern
Interference in formula.
At frame 1506, UE can be based at least partially on Interference Estimation and channel estimates that both produce channel status condition
Report.In an aspect, Interference Estimation can comprise in coordinates transmission point set and from coordinates transmission point set it
The estimation of outer interference value.
At frame 1508, UE channel status Conditions Report can be transmitted into service grand eNB and/or one or more
RRH.In response to channel status Conditions Report, UE can receive which resource of instruction and/or which resource is assigned to UE
Scheduling of resource message.
Figure 16 is the conceptual data flow process that the data stream between the disparate modules/device/assembly in demonstration equipment 102 is described
Figure 160 0.Equipment 102 comprises receiver module 1602, and it receives channel status measurement request message 1610.A side
In face, equipment 102 can further include RRH communication module 1624, and the channel status received from RRH can be measured by it
Request message 1610 is sent to receiver module 1602.In an aspect, channel status measurement request message 1610 can be wrapped
Containing first resource pattern 1604 and Secondary resource pattern 1606.In optional aspect, channel status measurement request message 1610
Can further include information resources pattern 1605.Equipment 102 can further include interference estimation block 1608, and it uses
The knowledge of Secondary resource pattern 1604 performs interferometry.In an aspect, interference estimation block 1608 can enter one
Step uses information resources pattern to estimate the interference outside coordinates transmission point set.Determined by interference estimation block 1608
Interference estimate 1612 can transmit channel status Conditions Report generation module 1616.Equipment 102 can further include
Channel estimation module 1610, it can use first resource pattern 1606 to estimate channel condition.By channel estimation module 1610
The channel estimation value 1614 determined can transmit channel status Conditions Report generation module 1616.Equipment 102 can be further
Comprising channel status Conditions Report generation module 1616, it can be at least based on interference estimate 1612 and channel estimation value
1614 and produce channel status Conditions Report 1618.Equipment 102 can further include transmitter module 1620, and it is by channel
Status condition report 1618 is transmitted into grand eNB.In an aspect, transmitter module 1620 can be by channel status condition report
Accuse 1618 and be sent to RRH communication module 1624 to allow RRH communication module 1624 by channel status Conditions Report
1618 are transmitted into RRH.In an aspect, receiver module 1602 may be in response to channel status Conditions Report 1618
Launch and receive scheduling of resource message 1622 from grand eNB.
Described equipment can comprise additional modules, and it performs each step of the algorithm in the above-mentioned flow chart of Figure 15.Thus,
Each step in above-mentioned flow chart Figure 15 can be performed by module, and equipment can comprise the one in those modules or one
Above.Module can by being configured to one or more nextport hardware component NextPorts of process/algorithm implementing to be stated specifically,
Implemented by the processor being configured to process/algorithm that execution is stated, be stored in computer-readable media interior for processor
Implement, or its certain combination.
Figure 17 is the figure illustrating to use the example of the hardware embodiments of the equipment 102 ' of processing system 1714.Processing system
The bus architecture that 1714 can generally be represented by bus 1724 is implemented.Bus 1724 can be depending on processing system 1714
Concrete application and overall design constraints and comprise any number of interconnection bus and bridger.Bus 1724 will comprise by
Processor 1704, module 1602,1608,1610,1616,1620,1624 and computer-readable media 1706 represent
One or more processors and/or the various electrical chains of hardware module be connected together.Bus 1724 also can link example
Such as other circuit various such as sequential source, ancillary equipment, voltage regulator and power management circuitry, described circuit is this skill
In art well-known and therefore will not do any further describing.
Described equipment comprises the processing system 1714 being coupled to transceiver 1710.Transceiver 1710 is coupled to one or one
Above antenna 1720.Transceiver 1710 provides the device for communicating with various miscellaneous equipments via transmission media.Process
System 1714 comprises the processor 1704 being coupled to computer-readable media 1706.General process be responsible for by processor 1704,
Comprise the execution of the software being stored on computer-readable media 1706.Software causes when being performed by processor 1704
Reason system 1714 performs various function described above for any particular device.Computer-readable media 1706 can also be used with
In the data that storage is handled when performing software by processor 1704.Processing system comprise further module 1602,1608,
1610,1616,1620 and 1624.Module can be the software module, resident/to be stored in meter run in processor 1704
Software module in calculation machine readable media 1706, it is coupled to one or more hardware modules of processor 1704, or
Its certain combination.Processing system 1714 can be the assembly of UE 650, and can comprise memorizer 660 and/or TX processor
668, at least one in RX processor 656 and controller/processor 659.
It will be appreciated that the certain order of step in processes disclosed or level are the explanations of exemplary method.Based on design partially
Good, it should be understood that during the certain order of step or level may be rearranged.Appended claim to a method is with sample
Order presents the element of various step, and is not intended to be limited to presented certain order or level.
Offer is previously described so that those skilled in the art can put into practice various aspect described herein.Art
Technical staff it will be apparent that to the various amendments in terms of these, and the principles defined herein is applicable to other
Aspect.Therefore, the set aspects illustrated herein that is not limited to of claims, but should be endowed consistent with language claims
Full breadth, do not mean that " one and only one " is (unless concrete to the reference of an element is set the most in the singular
So regulation), but mean " one or more ".Unless other concrete regulation, otherwise term " some " refers to
For one or more.Those skilled in the art known or run through that the present invention describes known to becoming later various
All 26S Proteasome Structure and Function equivalents of the element of aspect are expressly expressly incorporated herein, and set by claims
Contain.And, any content disclosed herein is the most set is not exclusively suitable for the public, and no matter whether this disclosure is wanted in right
Ask in book and be expressly recited.Do not have claim element will to explain under the clause of 35U.S.C. § 112 the 6th section, unless institute
State element be use phrase " be used for ... device " be expressly recited, or in the case of claim to a method, described unit
Part be use phrase " be used for ... step " state.
Claims (42)
1. the method (1200) of a radio communication, comprising:
(1202) first resource pattern or the second money it is semi-statically configured in enode b eNB is in the setting time
At least one in source module；
To user equipment (UE) signal (1204) described first resource pattern and described Secondary resource pattern with based on
Described first resource pattern and described Secondary resource pattern measure channel status condition, described first resource pattern recognition
The resource estimated for channel, is wherein positioned at the first launch point of Serving cell in this resource estimated for channel
Upper transmitted reference signal, described Secondary resource pattern recognition, for the resource of Interference Estimation, is wherein positioned at described service
The second launch point in community at this for reference signal and described first described in the transmitted on resources of Interference Estimation
Exit point not this for Interference Estimation transmitted on resources described in reference signal, wherein said Secondary resource pattern be with
Noise elimination resources mode from described first launch point to the data transmission conflict of described UE；
Be based at least partially on the measured value using described first resource pattern and described Secondary resource pattern to obtain and from
Described UE receives (1206) channel status Conditions Report；And
Channel status Conditions Report based on described reception and dispatch (1208) for one or one of described UE with
Upper resource.
Method the most according to claim 1, wherein measured channel status condition is based further on information resources mould
Formula,
Wherein said first resource pattern recognition for for from one of one or more coordinates transmission points or
The resource that the channel of more than one signal is estimated；And
Wherein said information resources pattern recognition is for for outside one or more than one coordinates transmission point
The resource of Interference Estimation of one or more signals.
Method the most according to claim 2, wherein said information resources pattern is corresponding to one or more than one association
Readjust the distribution one or more collective reference signal CRS patterns of exit point.
Method the most according to claim 2, wherein said to described UE signal measurement channel status condition enter
One step includes signaling the one in the identifier ID corresponding to one or more than one coordinates transmission point
Or it is one or more of.
Method the most according to claim 2, it farther includes to coordinate from one or more than one coordinates transmission
Described at least one in point launch so that described UE observe in described Secondary resource pattern from institute
State disturbing corresponding to during the transmitting to described UE of the described at least one in one or more launch points
The expection of one or more than one launch point is launched.
Method the most according to claim 1, wherein said channel status condition comprise channel and Interference Estimation information and its
Described in the resource estimated for channel of first resource pattern recognition, and wherein said Secondary resource pattern recognition is used for
The resource of Interference Estimation.
Method the most according to claim 6, wherein said Interference Estimation is based at least partially on described first resource pattern
Resource, described first resource mode resource is through filtering to remove or to minimize depositing of one or more pilot signals
?.
Method the most according to claim 1, wherein said first resource pattern is channel state information reference signals
CSI-RS pattern, wherein said Secondary resource pattern is CRS pattern, and wherein said signals to described UE
Notice farther includes to signal to described UE to measure based on described CRS pattern and disturbs outside community.
Method the most according to claim 1, wherein said be semi-statically configured farther include to be semi-statically configured described
At least one in first resource pattern, described Secondary resource pattern or information resources pattern is for described UE
Signal the described channel status condition of measurement.
10. the method (1500) of a radio communication, comprising:
(1502) first resource pattern and the signaling of Secondary resource pattern, described first resource is received by user equipment (UE)
Pattern and described Secondary resource pattern are to be semi-statically configured in enode b eNB is in the setting time, institute
State first resource pattern recognition for the resource that channel is estimated, be wherein positioned at the first launch point of Serving cell at this
The transmitted on resources reference signal estimated for channel, described Secondary resource pattern recognition is for the money of Interference Estimation
Source, is wherein positioned at the second launch point of described Serving cell at this for joining described in the transmitted on resources of Interference Estimation
Examine signal and described first launch point not at this for reference signal described in the transmitted on resources of Interference Estimation, Qi Zhongsuo
Stating Secondary resource pattern is and the noise elimination resource mould from described first launch point to the data transmission conflict of described UE
Formula；
It is based at least partially on described first resource pattern perform the estimation of (1504) channel and be based at least partially on described
Secondary resource pattern performs Interference Estimation；
Estimate based on described Interference Estimation and described channel and produce (1506) channel status Conditions Report；And
Described channel status Conditions Report is launched (1508) to one or more launch points including described eNB.
11. methods according to claim 10, wherein said Secondary resource pattern includes one or more CRS moulds
Formula, and the described Interference Estimation of wherein said execution farther includes:
Receive corresponding to one or the one of more than one launch point or more than one CRS pattern；
Interference is estimated based on one or more than one CRS pattern.
12. methods according to claim 10, wherein said first and second resources modes include CSI-RS pattern respectively,
And wherein said reception farther includes to receive information resources pattern, and wherein said execution Interference Estimation is wrapped further
Include and be based at least partially on described information resources pattern and perform Interference Estimation.
13. methods according to claim 12, wherein said information resources pattern corresponding to one or one with
One or more collective reference signal CRS patterns that upper launch point is corresponding.
14. methods according to claim 10, wherein said first and second resources modes include CSI-RS pattern respectively,
And wherein said execution Interference Estimation farther includes:
Measure the interference in noise elimination CSI-RS pattern of described first and second resources modes, wherein said one or
At least one in more than one launch point is not launched in noise elimination CSI-RS pattern described, and wherein said the
One and Secondary resource pattern without noise elimination CSI-RS pattern through filter to remove or to minimize one or more
The existence of pilot signal.
15. 1 kinds of equipment (1300) for radio communication, comprising:
First resource pattern or Secondary resource it is semi-statically configured in being in the setting time at enode b eNB
The device (1302) of at least one in pattern；
For signaling described first resource pattern and described Secondary resource pattern with based on institute to user equipment (UE)
State first resource pattern and described Secondary resource pattern and measure the device (1310) of channel status condition, described first
The resource that resources mode identification is estimated for channel, is wherein positioned at the first launch point of Serving cell at this for believing
The transmitted on resources reference signal that road is estimated, described Secondary resource pattern recognition is for the resource of Interference Estimation, wherein
It is positioned at the second launch point of described Serving cell at this for reference signal described in the transmitted on resources of Interference Estimation
And described first launch point not at this for reference signal described in the transmitted on resources of Interference Estimation, wherein said second
Resources mode is and the noise elimination resources mode from described first launch point to the data transmission conflict of described UE；
For being based at least partially on the measured value using described first resource pattern and described Secondary resource pattern to obtain
And the device (1312) of channel status Conditions Report is received from described UE；And
Dispatch for channel status Conditions Report based on described reception for one or more of described UE
The device (1316) of resource.
16. equipment according to claim 15, wherein measured channel status condition is based further on information resources mould
Formula,
Wherein said first resource pattern recognition for for from one of one or more coordinates transmission points or
The resource that the channel of more than one signal is estimated；And
Wherein said information resources pattern recognition is for for outside one or more than one coordinates transmission point
The resource of Interference Estimation of one or more signals.
17. equipment according to claim 16, wherein said information resources pattern corresponding to one or more than one
One or more collective reference signal CRS patterns of coordinates transmission point.
18. equipment according to claim 16, wherein said for signaling measurement channel status to described UE
The device of condition farther includes for signaling corresponding to one or more than one coordinates transmission point
One or more of device in identifier ID.
19. equipment according to claim 18, it farther includes for coordinating from one or more than one association
Readjust the distribution the launching so that what described UE observed in described Secondary resource pattern of the described at least one in exit point
Disturbing corresponding to sending out to described UE from the described at least one in one or more than one launch point
Penetrate the device that the expection of period one or more than one launch point is launched.
20. equipment according to claim 15, wherein said channel condition comprises channel and Interference Estimation information and wherein
Described first resource pattern recognition is for the resource of channel estimation, and wherein said Secondary resource pattern recognition is used for doing
Disturb the resource of estimation.
21. equipment according to claim 20, wherein said Interference Estimation is based at least partially on described first resource mould
Formula resource, described first resource mode resource is through filtering to remove or to minimize one or more pilot signals
Exist.
22. equipment according to claim 15, wherein said first resource pattern is channel state information reference signals
CSI-RS pattern, wherein said Secondary resource pattern is CRS pattern, and wherein said for sending out to described UE
The device of signalisation farther includes to measure based on described CRS pattern for signaling to described UE
The device of interference outside community.
23. equipment according to claim 15, wherein said for being semi-statically configured described first resource pattern or institute
The device stating at least one in Secondary resource pattern is configured to be semi-statically configured described first resource pattern, institute
At least one stated in Secondary resource pattern or information resources pattern signals measurement institute for described UE
State channel status condition.
24. 1 kinds of equipment (1600) for radio communication, comprising:
For being received the device (1602) of the signaling of first resource pattern and Secondary resource pattern, institute by user equipment (UE)
State first resource pattern and described Secondary resource pattern is semi-static in enode b eNB is in the setting time
Ground configuration, the resource that described first resource pattern recognition is estimated for channel, wherein it is positioned at the first of Serving cell
Launch point is in this transmitted on resources reference signal estimated for channel, and described Secondary resource pattern recognition is used for disturbing
The resource estimated, the second launch point being wherein positioned at described Serving cell is sent out in the resource of Interference Estimation at this
Penetrate described reference signal and described first launch point is not believed for reference described in the transmitted on resources of Interference Estimation at this
Number, wherein said Secondary resource pattern is quiet with the data transmission conflict from described first launch point to described UE
Make an uproar resources mode；
Perform channel and estimate for being based at least partially on described first resource pattern and be based at least partially on described the
Two resources modes perform the device (1610) of Interference Estimation；
For estimating based on described Interference Estimation and described channel and produce the device (1616) of channel status Conditions Report；
And
For described channel status Conditions Report being transmitted into one or more launch points of including described eNB
Device (1620).
25. equipment according to claim 24, wherein said Secondary resource pattern includes one or more CRS moulds
Formula, and the wherein said device for performing described Interference Estimation farther includes:
For receiving corresponding to one or the one of more than one launch point or more than one CRS pattern
Device；
For estimating the device of interference based on one or more than one CRS pattern.
26. equipment according to claim 24, wherein said first and second resources modes include CSI-RS pattern respectively,
And wherein said means for receiving farther includes the device for receiving information resources pattern and wherein said
For perform the device of Interference Estimation farther include for perform based on described information resources pattern for from
The device of the Interference Estimation of one or more signals outside one or more than one launch point.
27. equipment according to claim 26, wherein said information resources pattern corresponding to one or one with
One or more collective reference signal CRS patterns that upper launch point is corresponding.
28. equipment according to claim 24, wherein said first and second resources modes include CSI-RS pattern respectively,
And the wherein said device for performing Interference Estimation farther includes:
For measuring the device of the interference in noise elimination CSI-RS pattern of described first and second resources modes, wherein
At least one in one or more than one launch point is not launched in noise elimination CSI-RS pattern described, and
Wherein said first and second resources modes without noise elimination CSI-RS pattern through filter to remove or to minimize one
Or the existence of more than one pilot signal.
29. 1 kinds of equipment for radio communication, comprising:
Processing system, it is configured to:
First resource pattern or Secondary resource mould it is semi-statically configured in enode b eNB is in the setting time
At least one in formula；
Described first resource pattern and described Secondary resource pattern is signaled with based on described to user equipment (UE)
First resource pattern and described Secondary resource pattern measure channel status condition, and described first resource pattern recognition is used
In the resource that channel is estimated, wherein it is positioned at the first launch point of Serving cell in this resource estimated for channel
Upper transmitted reference signal, described Secondary resource pattern recognition, for the resource of Interference Estimation, is wherein positioned at described clothes
The second launch point in business community at this for reference signal described in the transmitted on resources of Interference Estimation and described the
One launch point not this for Interference Estimation transmitted on resources described in reference signal, wherein said Secondary resource mould
Formula is and the noise elimination resources mode from described first launch point to the data transmission conflict of described UE；
Be based at least partially on the measured value using described first resource pattern and described Secondary resource pattern to obtain and
Channel status Conditions Report is received from described UE；And
Channel status Conditions Report based on described reception and dispatch for described UE one or more money
Source.
30. equipment according to claim 29, wherein measured channel status condition is based further on information resources mould
Formula,
Wherein said first resource pattern recognition for for from one of one or more coordinates transmission points or
The resource that the channel of more than one signal is estimated；And
Wherein said information resources pattern recognition is for for outside one or more than one coordinates transmission point
The resource of Interference Estimation of one or more signals.
31. equipment according to claim 30, wherein said information resources pattern corresponding to one or more than one
One or more collective reference signal CRS patterns of coordinates transmission point.
32. equipment according to claim 30, wherein said processing system is configured to signal correspondence further
One or more in the identifier ID of one or more than one coordinates transmission point.
33. equipment according to claim 32, wherein said processing system is configured to coordinate from described one further
The transmitting of the described at least one in individual or more than one coordinates transmission point is so that described UE is at described Secondary resource
Observe in pattern from the described at least one in one or more than one launch point interference corresponding to
During the transmitting to described UE, the expection of one or more than one launch point is launched.
34. equipment according to claim 29, wherein said channel condition comprises channel and Interference Estimation information and wherein
Described first resource pattern recognition is for the resource of channel estimation, and wherein said Secondary resource pattern recognition is used for doing
Disturb the resource of estimation.
35. equipment according to claim 34, wherein said Interference Estimation is based at least partially on described first resource mould
Formula resource, described first resource mode resource is through filtering to remove or to minimize one or more pilot signals
Exist.
36. equipment according to claim 29, wherein said first resource pattern is channel state information reference signals
CSI-RS pattern, wherein said Secondary resource pattern is CRS pattern, and wherein said processing system warp further
Configure and disturb outside community to signal to described UE to measure based on described CRS pattern.
37. equipment according to claim 29, wherein said processing system be semi-statically configured described first resource pattern,
At least one in described Secondary resource pattern or information resources pattern signals measurement for described UE
Described channel status condition.
38. 1 kinds of equipment for radio communication, comprising:
Processing system, it is configured to:
Receive first resource pattern and the signaling of Secondary resource pattern, described first resource pattern and described Secondary resource
Pattern is to be semi-statically configured in enode b eNB is in the setting time, and described first resource pattern is known
Not Yong Yu the resource estimated of channel, be wherein positioned at what the first launch point of Serving cell was estimated for channel at this
Transmitted on resources reference signal, described Secondary resource pattern recognition, for the resource of Interference Estimation, is wherein positioned at institute
State the second launch point in Serving cell at this for reference signal described in the transmitted on resources of Interference Estimation and institute
State the first launch point not at this for reference signal described in the transmitted on resources of Interference Estimation, wherein said second money
Source module is and the noise elimination resources mode from described first launch point to the data transmission conflict of described equipment；
It is based at least partially on described first resource pattern perform channel estimation and be based at least partially on described second
Resources mode performs Interference Estimation；
Estimate based on described Interference Estimation and described channel and produce channel status Conditions Report；And
Described channel status Conditions Report is transmitted into one or more launch points including described eNB.
39. include one or more CRS moulds according to the equipment described in claim 38, wherein said Secondary resource pattern
Formula, and wherein said processing system is configured to further:
Receive corresponding to one or the one of more than one launch point or more than one CRS pattern；And
Interference is estimated based on one or more than one CRS pattern.
40. include CSI-RS pattern respectively according to the equipment described in claim 38, wherein said first and second resources modes,
And wherein said processing system is configured to further:
Receive information resources pattern；And
Perform for outside one or more than one launch point based on described information resources pattern or
The Interference Estimation of more than one signal.
41. equipment according to claim 40, wherein said information resources pattern corresponding to one or one with
One or more collective reference signal CRS patterns that upper launch point is corresponding.
42. include CSI-RS pattern respectively according to the equipment described in claim 38, wherein said first and second resources modes,
And wherein said processing system is configured to further:
Measure the interference in noise elimination CSI-RS pattern of described first and second resources modes, wherein said one or
At least one in more than one launch point is not launched in noise elimination CSI-RS pattern described, and wherein said the
One and Secondary resource pattern without noise elimination CSI-RS pattern through filter to remove or to minimize one or more
The existence of pilot signal.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161442087P | 2011-02-11 | 2011-02-11 | |
| US61/442,087 | 2011-02-11 | ||
| US13/336,599 | 2011-12-23 | ||
| US13/336,599 US9544108B2 (en) | 2011-02-11 | 2011-12-23 | Method and apparatus for enabling channel and interference estimations in macro/RRH system |
| PCT/US2011/067673 WO2012108945A2 (en) | 2011-02-11 | 2011-12-28 | Method and apparatus for enabling channel and interference estimations in macro/rrh system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103404097A CN103404097A (en) | 2013-11-20 |
| CN103404097B true CN103404097B (en) | 2016-11-30 |
Family
ID=
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917729A (en) * | 2010-08-13 | 2010-12-15 | 中兴通讯股份有限公司 | Time domain interference indication method and time domain resource interference determination method and base stations thereof |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917729A (en) * | 2010-08-13 | 2010-12-15 | 中兴通讯股份有限公司 | Time domain interference indication method and time domain resource interference determination method and base stations thereof |
Non-Patent Citations (2)
| Title |
|---|
| Interference coordination for control channels under non-CA based heterogeneous deployments;ZTE;《3GPP DRAFT，R1-104566》;20100827;1-10 * |
| Throughput Performance Evaluation of RE Muting for Inter-cell CSI-RS;NTT DOCOMO;《3GPP DRAFT，R1-105433》;20101015;1-12 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103430502B (en) | For the method and apparatus realizing channel and Interference Estimation in grand/RRH system | |
| CN105978654B (en) | The method and apparatus of reference signal detection | |
| CN103430476B (en) | Grand node in heterogeneous network and the cooperation of remote radio heads | |
| CN108476113B (en) | Method and apparatus for data transmission scheme for narrowband internet of things (NB-IOT) | |
| CN105684342B (en) | Full-duplex communication is carried out in the case where mixing full and half duplex user be present | |
| TWI551180B (en) | Method of performing measurement at reception end in wireless communication system and apparatus thereof | |
| CN105515712B (en) | Method and apparatus for inferring user equipment interference rejection capability according to measurement report | |
| CN103999389B (en) | Interference elimination method and equipment for using blind Detecting to be carried out by user equipment | |
| AU2017272012B2 (en) | Uplink control information reporting | |
| CN105075205B (en) | The channel state information reference signals (CSI-RS) of Interference Cancellation for network assistance are handled | |
| KR101519950B1 (en) | Method and apparatus for enabling channel and interference estimations in macro/rrh system | |
| CN104247519B (en) | Small cell activation | |
| CN104012153B (en) | Improved reference signal design for the time tracking in LTE-A | |
| CN104429005B (en) | Channel status information reports for the interference partially removed | |
| US9078205B2 (en) | Methods and apparatus for enabling non-destaggered channel estimation | |
| CN104365054A (en) | Techniques for joint support of coordinated multipoint (CoMP) operations and carrier aggregation (CA) | |
| CN104704787B (en) | For the reference signal of enhanced physical downlink control channel | |
| CN105453479B (en) | The device and method for improving the mark of reference signal transmission | |
| CN107743696A (en) | The very arrowband design of compatible Long Term Evolution | |
| CN103959701B (en) | The method and apparatus for increasing CSI RS expenses by antenna port amplification | |
| CN104509192B (en) | Interaction in LTE between EPCFICH and EPDCCH | |
| EP2984777A1 (en) | Methods and apparatus for employing multiple subframe configurations for harq operations | |
| CN103404097B (en) | For the method and apparatus realizing channel and Interference Estimation in grand/RRH system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |