CN106487474A - A kind of downlink data demodulation method and device - Google Patents
A kind of downlink data demodulation method and device Download PDFInfo
- Publication number
- CN106487474A CN106487474A CN201510524454.3A CN201510524454A CN106487474A CN 106487474 A CN106487474 A CN 106487474A CN 201510524454 A CN201510524454 A CN 201510524454A CN 106487474 A CN106487474 A CN 106487474A
- Authority
- CN
- China
- Prior art keywords
- dmrs
- plies
- power ratio
- downlink transfer
- pdsch
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0025—Transmission of mode-switching indication
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of method and device of downlink data demodulation.In the method：User equipment receives the downlink transfer number of plies of base station configuration and the port that DMRS transmission is used, the port according to used by the transmission number of plies and DMRS transmission, determines the power ratio between PDSCH and DMRS, according to power ratio, PDSCH is demodulated.The present invention is directed to the configuration identical traffic number of plies and is possible with the situation that MU-MIMO transmission is likely to transmit using SU-MIMO, because MU-MIMO transmission and the configured port of SU-MIMO transmission are otherwise varied, therefore port used for DMRS transmission is combined, with the transmission number of plies, the judgement carrying out the power ratio between PDSCH and DMRS by the present invention, SU-MIMO can be transmitted or MU-MIMO transmission makes a distinction, thus obtain the power ratio between PDSCH and DMRS, thus PDSCH is demodulated.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly, to a kind of downlink data demodulation method and device.
Background technology
In LTE-A (Long Term Evolution-Advanced, the evolution of Long Term Evolution) system, descending
DMRS (Demodulation Reference Symbol, demodulated reference signal) can from multiple port transmission,
UE (User Equipment, user equipment) measures according to DMRS and obtains channel estimation, thus entering line number
According to detection.Wherein, DMRS is alternatively referred to as DRS (Dedicated reference signal, dedicated reference letter
Number) or URS (UE-specific reference signal, user-specific reference signal).
PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel) enters
During row descending scheduling, in corresponding DCI (Downlink Control Information, Downlink Control Information)
With 3 bits indicate the number of plies (i.e. number of data streams) of UE current transmission, DMRS port used with
And the combined coding result of SCID (scrambling sequence ID, scrambler sequence identifies) used, such as
The value after " instruction " i.e. combined coding shown in table 1, in table 1.Wherein, a ports having 7 and port
8 can be used for MU-MIMO, and (Multi-User Multiple-Input Multiple-Output, how defeated multi-user is
Enter multi output) transmission, and port 9 to port 14 is only used for SU-MIMO (Single-User
Multiple-Input Multiple-Output, single user multiple-input and multiple-output) transmission.
Table 1
In table 1, port combination { 7,8,11,13 } and port combination { 9,10,12,14 } take different physical resources
(FDM (frequency division multiplex) mode is orthogonal), and in each port combination, adopt OCC (Orthogonal
Convolutional Code, orthogonal convolutional code) code orthogonal (CDM (code division multiplex) mode is orthogonal).
In order to ensure that data can correctly demodulate, UE needs to know PDSCH (Physical Downlink
Shared Channel, Physical Downlink Shared Channel) power ratio and DMRS between, thus using power ratio
Carry out the demodulation of data in PDSCH.In LTE system, the current transmission that UE indicates according to base station
The number of plies is determining power ratio.As shown in table 1, if the number of plies of base station instruction is 1-2 layer, PDSCH
Power ratio and DMRS between is 0dB；If the number of plies of base station instruction is more than 2, power ratio is -3dB.
In high-order MU-MIMO transmission, in order to reduce the interference between multiplexing UE, introduce more
Orthogonal DMRS port is used for MU-MIMO transmission, such as can support four orthogonal DMRS port.
For between all orthogonal DMRS port of MU-MIMO general by the way of OCC code is orthogonal, that is,
Take identical physical resource, therefore transmit power is respectively between all of the port.And work as the number of plies and be more than
When 2, between the multiple orthogonal DMRS port of SU-MIMO can with orthogonal using FDM mode,
Take extra physical resource to be transmitted, now transmit power only needs to take same physical money in part
Divide equally between the port in source.
When a UE is configured to transmit the downlink transfer that the number of plies is more than 2, UE does not know and oneself is by
SU-MIMO is still multiplexed with other UE and carries out MU-MIMO.Each of UE under both of these case
The power that DMRS port is assigned to is different, the power ratio between therefore corresponding PDSCH and DMRS
It is also different.Prior art can only based on SU-MIMO's it is assumed that power ratio is determined according to the number of plies,
The identical number of plies can not be supported for the instruction of the power ratio in the case of MU-MIMO.
Content of the invention
Embodiments provide a kind of downlink data demodulation method and device, in order to realize user equipment root
According to the downlink transfer number of plies of base station configuration and descending DMRS transmission port used, determine PDSCH and
Power ratio between DMRS, the data that PDSCH is carried is demodulated.
The downlink data demodulation method that one embodiment of the present of invention provides, including：
User equipment receives the downlink transfer number of plies and the downlink demodulation reference signal DMRS transmission of base station configuration
Port used；
Port according to used by the described downlink transfer number of plies and descending DMRS transmission for the described user equipment, really
Determine the power ratio between Physical Downlink Shared Channel PDSCH and DMRS；
Described user equipment is demodulated to described PDSCH according to described power ratio.
The user equipment that one embodiment of the present of invention provides, including：
Receiver module：For receiving the downlink transfer number of plies and the downlink demodulation reference signal DMRS of base station configuration
Transmission port used；
Determining module：For the port according to used by the described downlink transfer number of plies and descending DMRS transmission,
Determine the power ratio between Physical Downlink Shared Channel PDSCH and DMRS；
Demodulation module：For being demodulated to described PDSCH according to described power ratio.
In the above embodiment of the present invention, user equipment can according to base station configuration the downlink transfer number of plies and under
Row DMRS transmission port used, to determine the power ratio between physical down PDSCH and DMRS
Value, thus be demodulated to PDSCH.It is possible with MU-MIMO for the configuration identical traffic number of plies
Transmission is likely to the situation using SU-MIMO transmission, due to usual MU-MIMO transmission and SU-MIMO
Transmit configured port combination otherwise varied, therefore in the embodiment of the present invention, descending DMRS is transmitted institute
With port with transmission the number of plies be combined the judgement carrying out the power ratio between PDSCH and DMRS, can be right
SU-MIMO transmission or MU-MIMO transmission make a distinction, thus obtain PDSCH and DMRS it
Between power ratio, thus being demodulated to PDSCH.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to institute in embodiment description
Need the accompanying drawing using to briefly introduce it should be apparent that, drawings in the following description are only the present invention
Some embodiments, for those of ordinary skill in the art, in the premise not paying creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is that downlink data provided in an embodiment of the present invention demodulates schematic flow sheet；
Fig. 2 is the structural representation of user equipment provided in an embodiment of the present invention；
The apparatus structure schematic diagram that Fig. 3 provides for another embodiment of the present invention.
Specific embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing to this
Bright be described in further detail it is clear that described embodiment is only present invention some embodiments,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
The all other embodiment being obtained under the premise of going out creative work, broadly falls into the scope of protection of the invention.
Base station in the embodiment of the present invention, can be the evolved base station (Evolutional in LTE system
Node B, referred to as eNB or e-NodeB), macro base station, micro-base station (also referred to as " little base station "), micro-
Micro-base station, access website (Access Point, referred to as AP) or transmission website (Transmission Point,
Referred to as TP) etc., the present invention does not limit to this.
User equipment in the embodiment of the present invention, can be referred to as terminal (Terminal), mobile station (Mobile
Station, referred to as MS), mobile terminal (Mobile Terminal), MTC terminal etc., this user sets
Standby can be through wireless access network (Radio Access Network, referred to as RAN) and one or more cores
Heart net is communicated.
For convenience of description, following embodiments will taking base station and user equipment as a example illustrate.
The embodiment of the present invention is applied to the downlink transfer of multiterminal multilayer mouth, passes especially for high-order MU-MIMO
Defeated, in the case of being used for MU-MIMO transmission using multiple orthogonal DMRS port, such as support four
In the case that individual orthogonal DMRS port carries out MU-MIMO transmission, user equipment can be according to base station
The descending control signaling sending obtains the power ratio between PDSCH and DMRS, and then data is demodulated.
Introduce first below and can support that four orthogonal DMRS port carry out the scheme of MU-MIMO transmission.
The embodiment of the present invention proposes under the hypothesis of following restrictive condition.It may be noted that design parameter here
Can change, the content that the embodiment of the present invention proposes is stood good in the case of using other specification numerical value,
Here do not repeat.These assumed conditions include：
The transmission number of plies of-one user equipment acceptance is up to 8, using 8 DMRS port；Namely
Say, can be at most 8 DMRS port of a user equipment allocation, dispatch 8 transport layers, wherein often
Individual DMRS port corresponds to a transport layer.One user equipment is scheduled in a subframe
During MU-MIMO transmission, at most can receive N (such as 1<=N<=4) individual transport layer.
- system one has LportIndividual (such as 8) orthogonal DMRS port, is labeled as port 7 here
To port 14.
It should be noted that the name of DMRS port and mark can be with using other modes, such as ports
It is defined as port 0 to port to 7, the embodiment of the present invention also tries out the notation methods in other DMRS port,
It is not limited to the above notation methods to port, do not repeat here.
- from base station angle, MU-MIMO supports most LmaxIndividual transport layer (such as 8 layers) data transfer.
Base station at most sends L simultaneouslymaxIndividual transport layer, the target UE of the transport layer that base station sends
Can be a user equipment (in this case transmit for SU-MIMO) can also be multiple use
Family equipment (in this case for MU-MIMO transmission).MU-MIMO transmission can be passed throughIndividual orthogonal DMRS port and NSCIDIndividual scrambler sequence is realized.As an example, Lmax
=8, NSCID=2 (i.e. 2 kinds of scrambler configurations), support 4 orthogonal DMRS port and two
Nonopiate scrambler sequence.
- one user equipment can only accept a DMRS scramble sequence configuration in a subframe, and institute is following
Row signaling does not need in a subframe to the SCID that a user device configuration is different.More than one SCID
The situation of configuration can simply be derived from, and the embodiment of the present invention repeats no more.
According to assumed above, when the transmission number of plies for a dispatching user facility is one of 1 to 4,
DMRS port for this user equipment allocation is one group of port in first port set, described first end
Mouth set expression is { N1, N2, N3, N4 }, and the scrambler sequence of corresponding DMRS port has two kinds of selections, can
Can also be transmitted using SU-MIMO using MU-MIMO transmission；When for a dispatching user facility
When the transmission number of plies is one of 5 to 8, the DMRS port for this user equipment allocation is second port
One group of port in set, described second port set expression is { N1, N2, N3, N4, N5, N6, N7, N8 },
The scrambler of corresponding DMRS port is configured with a kind of selection, can be using SU-MIMO transmission；Wherein,
N1 to N8 is port-mark, corresponding 8 different positive integers, represents a DMRS port respectively.
In embodiments of the invention, include a transmission block (single codeword) or two biographies for downlink data
The defeated situation of defeated piece of biography (dicode word), by various combination of DMRS port distribution and scrambler configuration,
Can achieve the transmitting and scheduling of most 8 transport layers, can be as shown in table 2.
Table 2：The combined coding information of 4 bits
Wherein, port set { 7,8,11,13 } and port set { 9,10,12,14 } take different physical resources, adopt
Mode is orthogonal for FDM (Frequency Division Multiplexing, frequency division multiplexing), and adopts in each port
Orthogonal, the i.e. CDM (Code with OCC (Orthogonal Convolutional Code, orthogonal convolutional code) code
Division Multiplexing, code division multiplexing) mode is orthogonal.
In above-mentioned table 2, the various transmission numbers of plies, port configuration and the combined situation of SCID configuration, can pass through
The mode of combined coding representing, such as represents the different transmission number of plies, port with the coding of 4 bits
The combined situation that configuration is configured with SCID." instruction " in table 2 is the value after combined coding.
Above-mentioned table 2 can be configured in base station side and user equipment side.
It should be noted that table 2 is only one kind can support four orthogonal DMRS port, it is capable of four
The example that the transmission number of plies of layer MU-MIMO transmission, port configuration are configured with SCID, the embodiment of the present invention
It is not precluded from the situation of the transmission number of plies, port configuration and SCID configuration of other modes.
Data demodulation scheme provided in an embodiment of the present invention is described below.
Referring to Fig. 1, it is downlink data demodulation schematic flow sheet provided in an embodiment of the present invention, as illustrated,
This flow process may include following steps：
Step 101：User equipment receives used by the downlink transfer number of plies and the descending DMRS transmission of base station configuration
Port.
Generally, base station, when carrying out downlink transmitting and dispatching, sends descending control signaling, this descending control signaling
Sent by PDCCH.The downlink transfer of promising user device configuration is carried in the DCI of described PDCCH
The combined coding information of the port used by the number of plies and descending DMRS transmission etc., such as, can be as shown in table 2.
User equipment can determine the downlink transfer number of plies and descending DMRS transmission according to the combined coding information in DCI
Port used.
Step 102：Port according to used by the downlink transfer number of plies and descending DMRS transmission for the user equipment, really
Determine the power ratio between PDSCH and DMRS.Wherein, described PDSCH is in step 201
PDSCH scheduled in PDCCH.
Step 103：User equipment is demodulated to described PDSCH according to described power ratio.
Specifically, in above-mentioned steps 103, user equipment is according to described power ratio to described PDSCH
The method being demodulated can be as described below：Base is carried out according to the power ratio between PDSCH and DMRS
In the channel estimation of DMRS, then according to the result of this channel estimation, PDSCH is demodulated.Or,
First carry out the channel estimation based on DMRS, then according to the power ratio between PDSCH and DMRS
With the result of described channel estimation, PDSCH is demodulated.According to described power ratio to described PDSCH
The method being demodulated also has a lot, and the present invention will not enumerate.
As it was previously stated, referring to table 2, due in the case of the part identical traffic number of plies, a user equipment
MU-MIMO transmission may be carried out together with other users equipment it is also possible to this user equipment is carried out
SU-MIMO transmits, and the power ratio between PDSCH and DMRS under both of these case is different.Than
As, it is a dispatching user facility 3 layer data transmission, the port that now this user equipment may be assigned to
Including port combination { 7,8,9 }, port combination { 7,8,11 }, if being assigned to port combination { 7,8,9 }, then should
User equipment carries out MU-MIMO pairing transmission together with other users equipment, if being assigned to port combination
{ 7,8,11 }, then this user equipment carry out SI-MIMO transmission.
In order that user equipment can distinguish above-mentioned two situations, the transmission number of plies and descending can be pre-configured with
The port of DMRS transmission, the mapping table between power ratio and PDSCH and DMRS between.
Can be by corresponding to the combined situation of port used with descending DMRS transmission for each transmission number of plies
Power ratio between PDSCH and DMRS is stored in this mapping table.
Preferably it is contemplated that in certain embodiments, in the case of some transmission numbers of plies, such as transmit the number of plies
In the case of 4, only carry out SU-MIMO transmission, then can only configure these values for this situation
In the range of the transmission number of plies and power ratio mapping table (the referred to as second corresponding pass for convenience of description below
Be table), and for transmission the number of plies other values, then can be configured to storage transmission the number of plies with descending
The mapping table of the DMRS transmission power ratio corresponding to the combined situation of port used is (below for retouching
State convenient referred to as the 3rd mapping table).
Specifically, in above-mentioned steps 202, user equipment is according to the downlink transfer number of plies and descending DMRS
During transmission port used determines the power ratio between PDSCH and DMRS：
If the downlink transfer number of plies being judged as user device configuration is in the first span, according to descending biography
The defeated number of plies and the second corresponding relation made an appointment determine the power ratio between PDSCH and DMRS；
For example：When transmitting the number of plies for 1 or 2, the power ratio between PDSCH and DMRS is 0dB, when
When the transmission number of plies is more than 4, the power ratio between PDSCH and DMRS is -3dB；
If the downlink transfer number of plies being judged as user device configuration is in the second span, according to descending biography
Port used by the defeated number of plies and descending DMRS transmission and the 3rd corresponding relation made an appointment determine
Power ratio between PDSCH and DMRS；For example：When transmitting the number of plies for 3, if descending DMRS
Transmission port used is { 7,8,9 }, then the power ratio between PDSCH and DMRS is -3dB, if under
Row DMRS transmission port used is { 7,8,11 }, then the power ratio between PDSCH and DMRS is
0dB；
Described second span is not occured simultaneously with described first span.It is 8 to be with the maximum transmitted number of plies
Example, described first span is { 1,2,5,6,7,8 }, and described second span is { 3,4 }.
Alternatively, in above-mentioned steps 202, in user equipment according to the downlink transfer number of plies and descending DMRS
Transmission port used, before determining the power ratio between PDSCH and DMRS, user equipment is permissible
The DCI format of the port configuration information according to used by bearing downlink transmits the number of plies and descending DMRS transmission,
Determine the method obtaining power ratio between PDSCH and DMRS, for example, be the side using prior art
Method determines the power ratio between PDSCH and DMRS, or using the above embodiment of the present invention offer
Method determines the power ratio between PDSCH and DMRS.
Specifically, if DCI format is the first DCI format, adopt side provided in an embodiment of the present invention
Method determines the power ratio between PDSCH and DMRS, specifically, according to the downlink transfer number of plies and descending
DMRS transmission port used, determines the power ratio between PDSCH and DMRS.As an example
Son, described first DCI format can be DCI format 2E.
If DCI format be the second DCI format, using the method for prior art determine PDSCH and
Power ratio between DMRS, specifically, according to the downlink transfer number of plies and make an appointment first corresponding
Relation determines the power ratio between PDSCH and DMRS.Wherein, described first corresponding relation includes often
Plant the corresponding relation of the downlink transfer number of plies and power ratio.As an example, described second DCI format can
To be DCI format 2B, DCI format2C, DCI format2D.
User equipment can pass through DCI blind detection, determines the bearing downlink transmission number of plies and descending DMRS transmission institute
The DCI format of the configuration information of port.
Alternatively, in above-mentioned steps 202, user equipment is according to the downlink transfer number of plies and descending DMRS
Transmission port used, before determining the power ratio between PDSCH and DMRS, user equipment also may be used
So that according to downlink transfer pattern, such as, user equipment can determine downlink transfer pattern by high-level signaling；Really
Surely the method obtaining power ratio between PDSCH and DMRS, for example, is the method using prior art
Power ratio between PDSCH and DMRS, or the side providing using the above embodiment of the present invention are provided
Method determines the power ratio between PDSCH and DMRS.
Specifically, if downlink transfer pattern is the first transmission mode, adopt side provided in an embodiment of the present invention
Method determines the power ratio between PDSCH and DMRS, specifically, according to the downlink transfer number of plies and descending
DMRS transmission port used, determines the power ratio between PDSCH and DMRS；If downlink transfer
Pattern is the second transmission mode form, then determine PDSCH and DMRS using the method that prior art provides
Between power ratio, specifically, according to the downlink transfer number of plies and the first corresponding relation of making an appointment is true
Determine the power ratio between PDSCH and DMRS, described first corresponding relation includes every kind of downlink transfer layer
The corresponding relation of power ratio between number and PDSCH and DMRS.
In the above embodiment of the present invention, user equipment can according to base station configuration the downlink transfer number of plies and under
Row DMRS transmission port used, to determine the power ratio between physical down PDSCH and DMRS
Value；Furthermore it is possible to the port configuration letter according to used by bearing downlink transmits the number of plies and descending DMRS transmission
The DIC form of breath, determines the method obtaining power ratio between PDSCH and DMRS；Can also basis
Downlink transfer pattern, determines the method obtaining power ratio between PDSCH and DMRS.Determining
After power ratio between PDSCH and DMRS, PDSCH is demodulated.For configuration phase simultaneous interpretation
The defeated number of plies is possible with the situation that MU-MIMO transmission is likely to transmit using SU-MIMO, due to logical
Often MU-MIMO transmission and the configured port combination of SU-MIMO transmission are otherwise varied, the therefore present invention
In embodiment, port used for descending DMRS transmission is combined with the transmission number of plies and carries out PDSCH and DMRS
Between power ratio judgement, can to SU-MIMO transmission or MU-MIMO transmission make a distinction,
Thus obtain the power ratio between PDSCH and DMRS, thus PDSCH is demodulated.
Based on identical technology design, the embodiment of the present invention additionally provides a kind of user equipment, for realizing using
The downlink transfer number of plies that family equipment configures according to base station and descending DMRS transmission port used, determination
Power ratio between PDSCH and DMRS, the data that PDSCH is carried is demodulated.
Referring to Fig. 2, it is the structural representation of user equipment provided in an embodiment of the present invention, including：
Receiver module 201：For receiving the downlink transfer number of plies of base station configuration and the end that DMRS transmission is used
Mouthful；
Determining module 202：For the port according to used by the described downlink transfer number of plies and descending DMRS transmission,
Determine the power ratio between PDSCH and DMRS；
Demodulation module 203：For being demodulated to described PDSCH according to described power ratio.
Above-mentioned demodulation module 203, when described PDSCH being demodulated according to described power ratio, specifically
Can be additionally used in：Carry out estimating based on the channel of DMRS according to the power ratio between PDSCH and DMRS
Meter, is demodulated to PDSCH according to this channel estimation.Or, first carry out estimating based on the channel of DMRS
Meter, then enters to PDSCH according to the power ratio between PDSCH and DMRS and described channel estimation
Row demodulation.A lot, the present invention is also had according to the method that described power ratio is demodulated to described PDSCH
Will not enumerate.
Generally, base station, when carrying out downlink transmitting and dispatching, sends descending control signaling, this descending control signaling
Sent by PDCCH.The descending of promising described user device configuration is carried in the DCI of described PDCCH
The combined coding information of the port used by the transmission number of plies and descending DMRS transmission etc., such as, can be as table 2
Shown.Described receiver module 201 can according to the combined coding information acquisition downlink transfer number of plies in DCI and under
Row DMRS transmission port used.
Preferably, the second corresponding relation can be preset, described second corresponding relation includes the first span
The interior downlink transfer number of plies and the corresponding relation of power ratio；For example：When transmitting the number of plies for 1 or 2,
Power ratio between PDSCH and DMRS be 0dB, when transmit the number of plies be more than 4 when, PDSCH and
Power ratio between DMRS is -3dB.Preset the 3rd corresponding relation, described 3rd corresponding relation is
Port combination is corresponding with power ratio with the combined situation of the downlink transfer number of plies in the second span to close
System；For example：When transmitting the number of plies for 3, if descending DMRS transmission port used is { 7,8,9 }, then
Power ratio between PDSCH and DMRS is -3dB, if descending DMRS transmission port used is
{ 7,8,11 }, then the power ratio between PDSCH and DMRS is 0dB.
Correspondingly, above-mentioned determining module 202, used by transmitting according to the downlink transfer number of plies and descending DMRS
Port, when determining the power ratio between PDSCH and DMRS, specifically for：If being judged as user
The downlink transfer number of plies of device configuration in the first span, then appoint according to the downlink transfer number of plies and in advance
The second fixed corresponding relation determines the power ratio between PDSCH and DMRS.If being judged as described user
The downlink transfer number of plies of device configuration in the second span, then according to the described downlink transfer number of plies and descending
DMRS transmission port used and the 3rd corresponding relation made an appointment determine PDSCH and DMRS it
Between power ratio.
Described second span is not occured simultaneously with described first span.It is 8 to be with the maximum transmitted number of plies
Example, described first span is { 1,2,5,6,7,8 }, and described second span is { 3,4 }.
Alternatively, above-mentioned receiver module 201, can obtain downlink transfer layer by DCI is carried out with blind check
The DCI format of the configuration information of port used by number and descending DMRS transmission；Can be also used for by connecing
The high-level signaling receiving, obtains downlink transfer pattern.
Alternatively, above-mentioned determining module 202, can be also used for according to the downlink transfer number of plies and descending DMRS
Transmission port used, before determining the power ratio between PDSCH and DMRS, according to bearing downlink
The DCI format of the port configuration information used by the transmission number of plies and descending DMRS transmission, determines and obtains
The method of power ratio between PDSCH and DMRS, for example, is to be determined using the method for prior art
Power ratio between PDSCH and DMRS, or the method being provided using the above embodiment of the present invention is true
Determine the power ratio between PDSCH and DMRS.
If DCI format is the first DCI format it is determined that module 202 is using provided in an embodiment of the present invention
Method determines the power ratio between PDSCH and DMRS, specifically, according to the downlink transfer number of plies and under
Row DMRS transmission port used, determines the power ratio between PDSCH and DMRS.As one
Individual example, DCI format can be format 2E.
If DCI format is the second DCI format it is determined that module 202 adopts the method for prior art to determine
Power ratio between PDSCH and DMRS, specifically, according to the downlink transfer number of plies and make an appointment
The first corresponding relation determine power ratio between PDSCH and DMRS, described first corresponding relation bag
Include the corresponding relation of every kind of downlink transfer number of plies and power ratio.
As an example, described second DCI format can be DCI format 2B, DCI format2C,
DCI format2D.
Alternatively, above-mentioned determining module 202, can be also used for according to the described downlink transfer number of plies and descending
DMRS transmission port used, determines the power between Physical Downlink Shared Channel PDSCH and DMRS
Before ratio, according to downlink transfer pattern, determine the side obtaining power ratio between PDSCH and DMRS
Method, for example, is to determine power ratio between PDSCH and DMRS using the method for prior art, also
It is that the power ratio between PDSCH and DMRS is determined using the method that the above embodiment of the present invention provides.
Specifically, if downlink transfer pattern is the first transmission mode it is determined that module 202 adopts the present invention real
Apply the power ratio that the method for example offer determines between PDSCH and DMRS, specifically, according to descending biography
Port used by the defeated number of plies and descending DMRS transmission, determines the power ratio between PDSCH and DMRS
Value.
If downlink transfer pattern is for the second transmission mode form it is determined that module 202 adopts prior art to provide
Method determine power ratio between PDSCH and DMRS, specifically, according to the downlink transfer number of plies with
And the power ratio that the first corresponding relation made an appointment determines between PDSCH and DMRS, described first
Corresponding relation includes the corresponding pass of power ratio between every kind of downlink transfer number of plies and PDSCH and DMRS
System.
In the above embodiment of the present invention, described user equipment can be according to the downlink transfer number of plies of base station configuration
The port used with descending DMRS transmission, to determine the power ratio between PDSCH and DMRS；
Furthermore it is possible to the port configuration information according to used by bearing downlink transmits the number of plies and descending DMRS transmission
DIC form, determines the method obtaining power ratio between PDSCH and DMRS；Can also be according to descending
Transmission mode, determines the method obtaining power ratio between PDSCH and DMRS.Determining PDSCH
After power ratio and DMRS between, PDSCH is demodulated.Have for the configuration identical traffic number of plies
May using MU-MIMO transmission be likely to using SU-MIMO transmission situation, due to usual
MU-MIMO transmission and the configured port combination of SU-MIMO transmission are otherwise varied, and therefore the present invention is real
Apply in example to be combined port used for descending DMRS transmission with the transmission number of plies and carry out PDSCH and DMRS
Between power ratio judgement, can to SU-MIMO transmission or MU-MIMO transmission make a distinction,
Thus obtain the power ratio between PDSCH and DMRS, thus PDSCH is demodulated.
Based on identical technology design, the embodiment of the present invention additionally provides a kind of device, and this base station can be realized
The above-mentioned downlink data demodulation flow process of the embodiment of the present invention.
Referring to Fig. 3, it is the structural representation of device provided in an embodiment of the present invention, this base station may include：Place
Reason device 301, memorizer 302, transceiver 303 and EBI.
Processor 301 is responsible for bus architecture and common process, and memorizer 302 can store processor
301 data being used in execution operation.Transceiver 303 is used for receiving under the control of processor 301
With transmission data.
Bus architecture can include bus and the bridge of any number of interconnection, is specifically represented by processor 301
The various circuit of the memorizer of one or more processors and memorizer 302 representative link together.Total coil holder
Structure can also be by various other circuit links of such as ancillary equipment, manostat and management circuit or the like
Together, these are all it is known in the art, therefore, no longer it are described further herein.Always
Line interface provides interface.Transceiver 303 can be multiple element, that is, include transmitter and transceiver, provide
For the unit communicating with various other devices over a transmission medium.Bus architecture is responsible for by processor 301
With common process, memorizer 302 can store processor 301 data of being used in execution operation.
The downlink data demodulation flow process that the embodiment of the present invention discloses, can apply in processor 301, or
Realized by processor 301.During realizing, each step that downlink data demodulates flow process can be by processing
The instruction of the integrated logic circuit of the hardware in device 301 or software form completes.Processor 301 can be
General processor, digital signal processor, special IC, field programmable gate array or other can
Programmed logic device, discrete gate or transistor logic, discrete hardware components, it is possible to achieve or hold
Disclosed each method in the row embodiment of the present invention, step and logic diagram.General processor can be micro- place
Reason device or any conventional processor etc..Step in conjunction with the method disclosed in the embodiment of the present invention can be straight
Connect and be presented as that hardware processor execution completes, or executed with the hardware in processor and software module combination
Become.Software module may be located at random access memory, flash memory, read only memory, programmable read only memory or
In the ripe storage medium in this areas such as person's electrically erasable programmable memory, depositor.This storage medium position
In memorizer 302, processor 301 reads the information in memorizer 302, completes lower line number in conjunction with its hardware
Step according to flow process.
Specifically, processor 301, for reading the program in memorizer 302, execute following process：
Receive the downlink transfer number of plies of base station configuration and the port that descending DMRS transmission is used.
Port according to used by the downlink transfer number of plies and descending DMRS transmission, determines PDSCH and DMRS
Between power ratio.Wherein, described PDSCH is the PDSCH scheduled in PDCCH in step 201.
According to described power ratio, described PDSCH is demodulated.
Preferably it is contemplated that in certain embodiments, in the case of some transmission numbers of plies, such as transmit the number of plies
In the case of 4, only carry out SU-MIMO transmission, then can only configure these values for this situation
In the range of the transmission number of plies and power ratio mapping table (the referred to as second corresponding pass for convenience of description below
Be table), and for transmission the number of plies other values, then can be configured to storage transmission the number of plies with descending
The mapping table of the DMRS transmission power ratio corresponding to the combined situation of port used is (below for retouching
State convenient referred to as the 3rd mapping table).
Specifically, the port according to used by the downlink transfer number of plies and descending DMRS transmission determines PDSCH
During power ratio and DMRS between：
If the downlink transfer number of plies being judged as user device configuration is in the first span, according to descending biography
The defeated number of plies and the second corresponding relation made an appointment determine the power ratio between PDSCH and DMRS；
For example：When transmitting the number of plies for 1 or 2, the power ratio between PDSCH and DMRS is 0dB, when
When the transmission number of plies is more than 4, the power ratio between PDSCH and DMRS is -3dB.
If the downlink transfer number of plies being judged as user device configuration is in the second span, according to descending biography
Port used by the defeated number of plies and descending DMRS transmission and the 3rd corresponding relation made an appointment determine
Power ratio between PDSCH and DMRS；For example：When transmitting the number of plies for 3, if descending DMRS
Transmission port used is { 7,8,9 }, then the power ratio between PDSCH and DMRS is -3dB, if under
Row DMRS transmission port used is { 7,8,11 }, then the power ratio between PDSCH and DMRS is
0dB.
Described second span is not occured simultaneously with described first span.It is 8 to be with the maximum transmitted number of plies
Example, described first span is { 1,2,5,6,7,8 }, and described second span is { 3,4 }.
Alternatively, in the port according to used by the downlink transfer number of plies and descending DMRS transmission, determine PDSCH
Before power ratio and DMRS between, the number of plies can be transmitted according to bearing downlink and descending DMRS passes
The DCI format of defeated port configuration information used, determines and obtains power ratio between PDSCH and DMRS
Method, for example, be that power ratio between PDSCH and DMRS is determined using the method for prior art,
Or the power ratio between PDSCH and DMRS is determined using the method that the above embodiment of the present invention provides
Value.
Specifically, if DCI format is the first DCI format, adopt side provided in an embodiment of the present invention
Method determines the power ratio between PDSCH and DMRS, specifically, according to the downlink transfer number of plies and descending
DMRS transmission port used, determines the power ratio between PDSCH and DMRS.As an example
Son, described first DCI format can be DCI format 2E.
If DCI format be the second DCI format, using the method for prior art determine PDSCH and
Power ratio between DMRS, specifically, according to the downlink transfer number of plies and make an appointment first corresponding
Relation determines the power ratio between PDSCH and DMRS.Wherein, described first corresponding relation includes often
Plant the corresponding relation of the downlink transfer number of plies and power ratio.As an example, described second DCI format can
To be DCI format 2B, DCI format2C, DCI format2D.
Described device can pass through DCI blind detection, determines the bearing downlink transmission number of plies and descending DMRS transmission institute
The DCI format of the configuration information of port.
Alternatively, in the port according to used by the downlink transfer number of plies and descending DMRS transmission, determine PDSCH
Before power ratio and DMRS between, can also be according to downlink transfer pattern, such as, this device can
Downlink transfer pattern is determined by high-level signaling；Determine and obtain power ratio between PDSCH and DMRS
Method, for example, is to determine power ratio between PDSCH and DMRS using the method for prior art,
Or the power ratio between PDSCH and DMRS is determined using the method that the above embodiment of the present invention provides
Value.
Specifically, if downlink transfer pattern is the first transmission mode, adopt side provided in an embodiment of the present invention
Method determines the power ratio between PDSCH and DMRS, specifically, according to the downlink transfer number of plies and descending
DMRS transmission port used, determines the power ratio between PDSCH and DMRS；If downlink transfer
Pattern is the second transmission mode form, then determine PDSCH and DMRS using the method that prior art provides
Between power ratio, specifically, according to the downlink transfer number of plies and the first corresponding relation of making an appointment is true
Determine the power ratio between PDSCH and DMRS, described first corresponding relation includes every kind of downlink transfer layer
The corresponding relation of power ratio between number and PDSCH and DMRS.
The present invention is to produce with reference to method according to embodiments of the present invention, equipment (system) and computer program
The flow chart of product and/or block diagram are describing.It should be understood that can by computer program instructions flowchart and
/ or block diagram in each flow process and/or the flow process in square frame and flow chart and/or block diagram and/
Or the combination of square frame.These computer program instructions can be provided to general purpose computer, special-purpose computer, embed
The processor of formula datatron or other programmable data processing device is to produce a machine so that passing through to calculate
The instruction of the computing device of machine or other programmable data processing device produces for realizing in flow chart one
The device of the function of specifying in individual flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and computer or other programmable datas can be guided to process and set
So that being stored in this computer-readable memory in the standby computer-readable memory working in a specific way
Instruction produce and include the manufacture of command device, the realization of this command device is in one flow process or multiple of flow chart
The function of specifying in flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, makes
Obtain and series of operation steps is executed on computer or other programmable devices to produce computer implemented place
Reason, thus the instruction of execution is provided for realizing in flow chart one on computer or other programmable devices
The step of the function of specifying in flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know base
This creative concept, then can make other change and modification to these embodiments.So, appended right will
Ask and be intended to be construed to including preferred embodiment and fall into being had altered and changing of the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this to the present invention
Bright spirit and scope.So, if the present invention these modification and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprise these changes and modification.
Claims (16)
1. a kind of downlink data demodulation method is it is characterised in that include：
User equipment receives the downlink transfer number of plies and the downlink demodulation reference signal DMRS transmission of base station configuration
Port used；
Port according to used by the described downlink transfer number of plies and descending DMRS transmission for the described user equipment, really
Determine the power ratio between Physical Downlink Shared Channel PDSCH and DMRS；
Described user equipment is demodulated to described PDSCH according to described power ratio.
2. the method for claim 1 is it is characterised in that described user equipment is according to described descending
The transmission number of plies and the used port of descending DMRS transmission, determine Physical Downlink Shared Channel PDSCH and
Power ratio between DMRS, including：
Described user equipment determines the port carrying used by the described downlink transfer number of plies and descending DMRS transmission
Configuration information Downlink Control Information DCI format；
If described DCI format is the first DCI format, according to the described downlink transfer number of plies and descending DMRS
Transmission port used, determines the power ratio between PDSCH and DMRS.
3. method as claimed in claim 2 is it is characterised in that also include：
If described DCI format is the second DCI format, appoint according to the described downlink transfer number of plies and in advance
The first fixed corresponding relation determines the power ratio between PDSCH and DMRS, described first corresponding relation
Corresponding relation including every kind of downlink transfer number of plies and power ratio.
4. the method for claim 1 is it is characterised in that described user equipment is according to described descending
Port used by the transmission number of plies and descending DMRS transmission, determines the power between PDSCH and DMRS
Ratio, including：
Described user equipment determines downlink transfer pattern；
If described downlink transfer pattern is the first transmission mode, according to the described downlink transfer number of plies and descending
DMRS transmission port used, determines the power ratio between PDSCH and DMRS.
5. method as claimed in claim 4 is it is characterised in that also include：
If described downlink transfer pattern is the second transmission mode form, according to the described downlink transfer number of plies and
The power ratio that the first corresponding relation made an appointment determines between PDSCH and DMRS, described first is right
The corresponding relation including every kind of downlink transfer number of plies and power ratio should be related to.
6. the method as any one of claim 1 to 5 is it is characterised in that described user equipment
Port according to used by the described downlink transfer number of plies and descending DMRS transmission, determines PDSCH and DMRS
Between power ratio, including：
If the downlink transfer number of plies of described user device configuration is in the first span, then according under described
The row transmission number of plies and the second corresponding relation made an appointment determine the power ratio between PDSCH and DMRS
Value, the downlink transfer number of plies that described second corresponding relation is included in the first span is corresponding with power ratio
Relation；
If the downlink transfer number of plies of described user device configuration is in the second span, then according under described
Port used by the row transmission number of plies and descending DMRS transmission and the 3rd corresponding relation made an appointment determine
Power ratio between PDSCH and DMRS, described 3rd corresponding relation is port combination and the second value
In the range of the combined situation of the downlink transfer number of plies and power ratio corresponding relation, described second span
Do not occur simultaneously with described first span.
7. method as claimed in claim 6 is it is characterised in that described first span is
{ 1,2,5,6,7,8 }, described second span is { 3,4 }.
8. the method as any one of claim 1 to 5 is it is characterised in that described user equipment
Receive the downlink transfer number of plies of base station configuration and the port that descending DMRS transmission is used, including：
Described user equipment receives the descending control signaling that base station sends, the DCI of described descending control signaling
Port used by the middle downlink transfer number of plies carrying promising described user device configuration and descending DMRS transmission
Combined coding information；
According to described combined coding information, described user equipment determines that the downlink transfer number of plies and descending DMRS pass
Defeated port used.
9. a kind of user equipment is it is characterised in that include：
Receiver module：For receiving the downlink transfer number of plies and the downlink demodulation reference signal DMRS of base station configuration
Transmission port used；
Determining module：For the port according to used by the described downlink transfer number of plies and descending DMRS transmission,
Determine the power ratio between Physical Downlink Shared Channel PDSCH and DMRS；
Demodulation module：For being demodulated to described PDSCH according to described power ratio.
10. user equipment as claimed in claim 9, it is characterised in that described determining module, is specifically used
In：
Determine that the described downlink transfer number of plies of carrying and descending DMRS transmit the configuration information of port used
Downlink Control Information DCI format；
If described DCI format is the first DCI format, according to the described downlink transfer number of plies and descending DMRS
Transmission port used, determines the power ratio between PDSCH and DMRS.
11. user equipmenies as claimed in claim 10, it is characterised in that described determining module, are also used
In：
If it is determined that described DCI format is the second DCI format, then according to the described downlink transfer number of plies and pre-
The power ratio that the first corresponding relation first arranged determines between PDSCH and DMRS, described first is corresponding
Relation includes the corresponding relation of every kind of downlink transfer number of plies and power ratio.
12. user equipmenies as claimed in claim 9, it is characterised in that described determining module, are specifically used
In：
Determine downlink transfer pattern；
If described downlink transfer pattern is the first transmission mode, according to the described downlink transfer number of plies and descending
DMRS transmission port used, determines the power ratio between PDSCH and DMRS.
13. user equipmenies as claimed in claim 12, it is characterised in that described determining module, are also used
In：
If it is determined that described downlink transfer pattern is the second transmission mode form, then according to the described downlink transfer number of plies
And the power ratio that the first corresponding relation made an appointment determines between PDSCH and DMRS, described
One corresponding relation includes the corresponding relation of every kind of downlink transfer number of plies and power ratio.
14. user equipmenies as any one of claim 9 to 13 it is characterised in that described really
Cover half block, specifically for：
If it is determined that for described user device configuration the downlink transfer number of plies in the first span, then according to institute
State the downlink transfer number of plies and the second corresponding relation of making an appointment determines the work(between PDSCH and DMRS
Rate ratio, described second corresponding relation includes the downlink transfer number of plies and power ratio in the first span
Corresponding relation；
If it is determined that for described user device configuration the downlink transfer number of plies in the second span, then according to institute
State the port used by the downlink transfer number of plies and descending DMRS transmission and the 3rd corresponding relation made an appointment
Determine the power ratio between PDSCH and DMRS, described 3rd corresponding relation is port combination and second
The combined situation of the downlink transfer number of plies in span and the corresponding relation of power ratio, described second value
Scope is not occured simultaneously with described first span.
15. user equipmenies as claimed in claim 14 are it is characterised in that described first span is
{ 1,2,5,6,7,8 }, described second span is { 3,4 }.
16. user equipmenies as any one of claim 9 to 13 are it is characterised in that described connect
Receive module, specifically for：
Receive the descending control signaling that base station sends, carry promising described in the DCI of described descending control signaling
The combined coding information of the port used by the downlink transfer number of plies of device configuration and descending DMRS transmission；
Port according to used by described combined coding information determines the downlink transfer number of plies and descending DMRS transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510524454.3A CN106487474B (en) | 2015-08-24 | 2015-08-24 | A kind of downlink data demodulation method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510524454.3A CN106487474B (en) | 2015-08-24 | 2015-08-24 | A kind of downlink data demodulation method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106487474A true CN106487474A (en) | 2017-03-08 |
| CN106487474B CN106487474B (en) | 2019-08-23 |
Family
ID=58233034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510524454.3A Active CN106487474B (en) | 2015-08-24 | 2015-08-24 | A kind of downlink data demodulation method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106487474B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020030112A1 (en) * | 2018-08-10 | 2020-02-13 | 华为技术有限公司 | Data transmission method and apparatus |
| WO2020038082A1 (en) * | 2018-08-20 | 2020-02-27 | 电信科学技术研究院有限公司 | Method and apparatus for determining codeword mapping mode |
| CN111294170A (en) * | 2018-12-07 | 2020-06-16 | 华为技术有限公司 | Communication method, device and equipment |
| US10863444B2 (en) | 2017-01-06 | 2020-12-08 | Huawei Technologies Co., Ltd. | Power configuration method and related device |
| CN112449413A (en) * | 2019-08-29 | 2021-03-05 | 中国移动通信有限公司研究院 | Power indication method, determination method, device, network side equipment and terminal |
| US11005592B2 (en) | 2017-01-06 | 2021-05-11 | Huawei Technologies Co., Ltd. | Configuration method for channel state information measurement and related device |
| US12016043B2 (en) | 2018-08-10 | 2024-06-18 | Huawei Technologies Co., Ltd. | Data transmission method and apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102076076A (en) * | 2009-11-20 | 2011-05-25 | 夏普株式会社 | Resource allocation informing method of demodulation reference signal |
| CN102148659A (en) * | 2010-02-10 | 2011-08-10 | 中兴通讯股份有限公司 | Transmission power configuration method and device for demodulation reference signals |
| CN102158302A (en) * | 2010-02-11 | 2011-08-17 | 电信科学技术研究院 | Method and device for indicating information |
| CN102447524A (en) * | 2010-10-11 | 2012-05-09 | 电信科学技术研究院 | Information indication method and equipment |
-
2015
- 2015-08-24 CN CN201510524454.3A patent/CN106487474B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102076076A (en) * | 2009-11-20 | 2011-05-25 | 夏普株式会社 | Resource allocation informing method of demodulation reference signal |
| CN102148659A (en) * | 2010-02-10 | 2011-08-10 | 中兴通讯股份有限公司 | Transmission power configuration method and device for demodulation reference signals |
| CN102158302A (en) * | 2010-02-11 | 2011-08-17 | 电信科学技术研究院 | Method and device for indicating information |
| CN102447524A (en) * | 2010-10-11 | 2012-05-09 | 电信科学技术研究院 | Information indication method and equipment |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10863444B2 (en) | 2017-01-06 | 2020-12-08 | Huawei Technologies Co., Ltd. | Power configuration method and related device |
| US11005592B2 (en) | 2017-01-06 | 2021-05-11 | Huawei Technologies Co., Ltd. | Configuration method for channel state information measurement and related device |
| US11671197B2 (en) | 2017-01-06 | 2023-06-06 | Huawei Technologies Co., Ltd. | Configuration method for channel state information measurement and related device |
| WO2020030112A1 (en) * | 2018-08-10 | 2020-02-13 | 华为技术有限公司 | Data transmission method and apparatus |
| US12016043B2 (en) | 2018-08-10 | 2024-06-18 | Huawei Technologies Co., Ltd. | Data transmission method and apparatus |
| WO2020038082A1 (en) * | 2018-08-20 | 2020-02-27 | 电信科学技术研究院有限公司 | Method and apparatus for determining codeword mapping mode |
| CN111294170A (en) * | 2018-12-07 | 2020-06-16 | 华为技术有限公司 | Communication method, device and equipment |
| CN112449413A (en) * | 2019-08-29 | 2021-03-05 | 中国移动通信有限公司研究院 | Power indication method, determination method, device, network side equipment and terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106487474B (en) | 2019-08-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106856426B (en) | A kind of DMRS indicating means, terminal and base station | |
| CN106487474A (en) | A kind of downlink data demodulation method and device | |
| CN102315870B (en) | A kind of Downlink Control Information indicating means and device | |
| CN103650368B (en) | Channel condition information launching technique and user equipment and channel condition information method of reseptance and base station | |
| JP6215297B2 (en) | Resource aggregation in advanced control channels | |
| US9215697B2 (en) | Methods and systems for CSI-RS resource allocation in LTE-advance systems | |
| CN103313404B (en) | A kind of control channel resource transmission method, user equipment and base station | |
| CN104205685B (en) | The method and apparatus for receiving control information in a wireless communication system | |
| CN104113925B (en) | Authorization signaling transmission, acquisition methods and device | |
| CN107005564B (en) | A kind of information transferring method, equipment and system | |
| CN110266463A (en) | Data transmission method, the network equipment and terminal device | |
| US20130128860A1 (en) | Methods and Systems for CSI-RS Resource Allocation in LTE-Advance Systems | |
| CN108809578A (en) | Method, terminal device and the network equipment of transmission data | |
| WO2013168942A1 (en) | Method and apparatus for transmitting data | |
| CN106559363B (en) | Demodulation reference signal transmission method, channel estimation method and device | |
| CN104094543B (en) | Strengthen the method for sending and receiving and device of Physical Downlink Control Channel | |
| CN107196736A (en) | Method and wireless device for monitoring control channel | |
| CN107078813A (en) | The method and its device disturbed in the wireless communication system for supporting FDR transmission between measuring apparatus | |
| CN107211324A (en) | The system and method for accommodating special user equipment | |
| CN108353392A (en) | Base station, terminal and communication means | |
| EP3745632A1 (en) | Method for determining antenna port and terminal-side device | |
| WO2022208484A1 (en) | Pt-rs for pusch transmissions to multiple trps | |
| CN102904669A (en) | Precoding physical downlink control channel reference signal, blind decoding method and blind decoding device | |
| CN106470174A (en) | A kind of method for transmitting information, base station and system | |
| CN108631912A (en) | A kind of transmission method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210609 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
|
| TR01 | Transfer of patent right |