CN101882980B - Method and system for indicating uplink demodulation reference signal - Google Patents
Method and system for indicating uplink demodulation reference signal Download PDFInfo
- Publication number
- CN101882980B CN101882980B CN201010178114.7A CN201010178114A CN101882980B CN 101882980 B CN101882980 B CN 101882980B CN 201010178114 A CN201010178114 A CN 201010178114A CN 101882980 B CN101882980 B CN 101882980B
- Authority
- CN
- China
- Prior art keywords
- reference signal
- demodulated reference
- indication information
- subscriber equipment
- sgh
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
Abstract
The invention provides a method and a system for indicating an uplink demodulation reference signal. The method comprises the following steps: a base station sends indication information to user equipment, wherein the indication information indicates at least one of the cyclic shift, the orthogonal cover code and the sequence hopping /sequence group hopping (SGH) mode of the demodulation reference signal; and the user equipment sends data and the demodulation reference signal to the base station according to the orthogonal cover code of the demodulation reference signal. The invention can indicate the parameters of the demodulation reference signal so as to meet the requirements of uplink multi-antenna port transmission.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of indicating means and system of uplink demodulation reference signal.
Background technology
At third generation partner program (The 3rd Generation Partnership Project, referred to as 3GPP) Long Term Evolution (Long Term Evolution, referred to as LTE) in system, the mode of base station centralized dispatching is adopted to control subscriber equipment (User Equipment, referred to as UE) the transmission of Physical Uplink Shared Channel (Physical Uplink Shared Channel, referred to as PUSCH).
By Physical Downlink Control Channel (Physical Downlink Control Channel, referred to as PDCCH), object UE is sent to by base station to the uplink scheduling information (Uplink Scheduling Information) of PUSCH.Uplink scheduling information comprises: the control informations such as the cyclic shift (Cyclic Shift) of the Resourse Distribute that Physical Uplink Shared Channel is relevant, modulation and encoding scheme, demodulated reference signal (Demodulation Reference Signal, referred to as DM RS).
In LTE system, Physical Uplink Shared Channel adopts single antenna port transmission.A system-frame (frame) comprises 10 subframes (subframe), and each subframe comprises 2 time slots (slot).Fig. 1 is the schematic diagram according to the Cyclic Prefix in a time slot of correlation technique, as shown in Figure 1, for conventional cyclic prefix (Normal cyclic prefix, referred to as Normal CP), each time slot is made up of 6 data symbols and 1 demodulated reference signal; For extended cyclic prefix (Extended cyclic prefix, referred to as Extended CP), each time slot is made up of 5 data symbols and 1 demodulated reference signal.
Demodulated reference signal DM RS is by the Sequence composition of on frequency domain, and this sequence is a cyclic shift of reference signal sequence.In order to randomize inter-cell interference, the reference signal sequence of demodulated reference signal configures according to base station, can realize timeslot-based sequence redirect (Sequence hopping) or sequence set redirect (Group hopping), this mode is also called the SGH mode of time slot redirect.That is, according to base station configuration, the demodulated reference signal of a subscriber equipment in a subframe on two time slots is different, changes in a system-frame according to certain redirect pattern with time slot.
At time slot n
sin, the cyclic shift amount α of demodulated reference signal is: α=2 π n
cs/ 12, wherein,
in a radio frames, n
s=0,1 ..., 19;
configured by higher level parameters,
configured by uplink scheduling information.N
pRS(n
s) generated by pseudo-random generator, be specifically expressed as
Uplink scheduling information is carried on Physical Downlink Control Channel, sends to target UE with certain descending control information format (Downlink Control Information format, referred to as DCI format) by base station.In LTE system, descending control information format is divided into following several: DCI format 0,1,1A, 1B, 1C, 1D, 2,2A, 3,3A etc., wherein, DCI format 0 comprises uplink scheduling information, is used to indicate the scheduling of Physical Uplink Shared Channel PUSCH.
The cyclic shift that DCI format 0 instruction is used for the demodulated reference signal of dispatched PUSCH is as shown in table 1 below.
Table 1
| 001 | 6 |
| 010 | 3 |
| 011 | 4 |
| 100 | 2 |
| 101 | 8 |
| 110 | 10 |
| 111 | 9 |
LTE-Advanced system (abbreviation lte-a system) is the evolution system of future generation of LTE system.
In lte-a system, Physical Uplink Shared Channel can adopt single antenna port transmission, and multi-antenna port also can be adopted to transmit.Fig. 2 is the schematic diagram of the transmitting terminal base band signal process adopting the Physical Uplink Shared Channel of multi-antenna port transmission according to the lte-a system of correlation technique.When multi-antenna port is transmitted, lte-a system support based on the spatial reuse of one or two code word (Codeword, referred to as CW), the corresponding transmission block (Transport Block, referred to as TB) of each code word.Code word will be mapped to layer (layer) further, and each code word is mapped as one deck or two layer data.
Fig. 3 is the schematic diagram of the precoding of lte-a system according to correlation technique, as shown in Figure 3, LTE-A adopts based on code book (Codebook, be also called code book) Linear Precoding (Precoding), precoding technique is that one utilizes channel condition information (ChannelStatus Information, referred to as CSI) to carry out preliminary treatment to improve the technology of multiaerial system performance at transmitting terminal to signal.A kind of approach of transmitting terminal acquisition CSI is the feedback by receiving terminal.In order to reduce feedback overhead, the general mode adopted preserves identical code book at receiving terminal and transmitting terminal.Receiving terminal is according to current channel conditions, select the pre-coding matrix that is applicable in the codebook and by its index value (Precoding Matrix Index in set, referred to as PMI) feed back to transmitting terminal, transmitting terminal finds pre-coding matrix according to the pre-coding matrix index of feedback, and carries out precoding to transmission signal.The Mathematical Modeling of data precoding is y=HWs+n, and wherein y is Received signal strength vector, and H is channel coefficient matrix, and W is pre-coding matrix, and s is signal phasor, and n is noise vector.
In lte-a system, when Physical Uplink Shared Channel adopts multi-antenna port transmission, the demodulated reference signal (DM RS) of each layer data equally carries out precoding with each layer data.And the demodulated reference signal of different layers data, comprise the demodulated reference signal of the multi-layer data to single user multi-input multi-output system (SU-MIMO) same subscriber equipment, with the demodulated reference signal of the multi-layer data of multiuser mimo system (MU-MIMO) multiple subscriber equipment, by using different demodulated reference signal cyclic shifts (CS) and/or orthogonal mask (Orthogonal Cover Code, referred to as OCC) carry out orthogonalization, to distinguish the multiplexing different layers data of user's space or to distinguish different users.Wherein, orthogonal mask OCC is [+1 ,+1] and [+1 ,-1], acts on the demodulated reference signal on interior two time slots (Slot) of subframe (Subframe).
When using orthogonal mask OCC to demodulated reference signal orthogonalization, base station needs to carry out joint-detection to the demodulated reference signal on two time slots in a subframe, thus requires that the demodulated reference signal of a subscriber equipment in a subframe on two time slots must be the same.In this case, the SGH mode of time slot redirect in LTE system can not be used.But in order to randomize inter-cell interference as far as possible, propose the SGH mode of subframe redirect in correlation technique.Namely, configure according to base station, the demodulated reference signal of a subscriber equipment in a subframe on two time slots is the same, and the demodulated reference signal in a system-frame in each subframe is different, changes in a system-frame according to certain redirect pattern with subframe.
At present, in the Standard Edition that 3GPP formulates, the version of LTE standard is the 8th edition (Release 8) and the 9th edition (Release 9), the version of LTE-A standard is the 10th edition (Release 10), be abbreviated as Rel-8 respectively, Rel-9 and Rel-10, LTE-A standard also may comprise later release; Meet system and subscriber equipment that the system of respective standard version and subscriber equipment are called Rel-8 version, the system of Rel-9 version and subscriber equipment, and the system of Rel-10 version and subscriber equipment.Such as, and require forward compatibility and backward compatibility, the subscriber equipment of Rel-10 version can work in the system of Rel-8/9 version, and the subscriber equipment of Rel-8/9 version can work in the system of Rel-10 version.
For demodulated reference signal, when requiring that the subscriber equipment of Rel-10 version is operated in the system of Rel-8/9 version, and the subscriber equipment of Rel-8/9 version is when being operated in the system of Rel-10 version, the cyclic shift of demodulated reference signal correctly can both be configured according to the signaling in DCI format 0
It should be noted that, current DCI format 0 does not support that multi-antenna port is transmitted, under the scene of LTE-A uplink multi-antenna port transmission, use current DCI format 0 can not indicate the cyclic shift of the demodulated reference signal under multi-antenna port transmitting scene.In addition, in lte-a system, to the subscriber equipment of Rel-10 version, then needing is not only the cyclic shift of demodulated reference signal by signal deployment, also need to configure orthogonal mask, SGH mode etc., ensure the backward compatibility of the subscriber equipment to Rel-8/9 version simultaneously, and ensure the subscriber equipment forward compatibility of Rel-10 version.Therefore, current indicating means cannot meet the requirement of uplink multi-antenna port transmission.
Summary of the invention
Main purpose of the present invention is the indication scheme providing a kind of uplink demodulation reference signal, at least one of to solve the problem.
According to an aspect of the present invention, provide a kind of indicating means of uplink demodulation reference signal, the method comprises: base station sends indication information to subscriber equipment, described indication information be used to indicate following one of at least: the sequence redirect/sequence set redirect SGH mode of the cyclic shift of demodulated reference signal, the orthogonal mask of demodulated reference signal, demodulated reference signal; Described subscriber equipment, according to the indication information received, sends data and demodulated reference signal to described base station.
According to a further aspect in the invention, additionally provide a kind of indication mechanism of uplink demodulation reference signal, comprise: base station and subscriber equipment, described base station is used for sending indication information to described subscriber equipment, described indication information be used to indicate following one of at least: the sequence redirect/sequence set redirect SGH mode of the cyclic shift of demodulated reference signal, the orthogonal mask of demodulated reference signal, demodulated reference signal; Described subscriber equipment is used for the indication information according to receiving, and sends data and demodulated reference signal to described base station.
Pass through the present invention, adopt base station to send indication information to subscriber equipment, this indication information be used to indicate following one of at least: the sequence redirect/sequence set redirect SGH mode of the cyclic shift of demodulated reference signal, the orthogonal mask of demodulated reference signal, demodulated reference signal; Subscriber equipment carries out uplink according to the indication information received.The indicating means solved in correlation technique cannot meet the problem of the requirement of uplink multi-antenna port transmission, and then can indicate the parameter of demodulated reference signal, to meet the requirement of uplink multi-antenna port transmission.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the Cyclic Prefix in a time slot of correlation technique;
Fig. 2 is the schematic diagram of the transmitting terminal base band signal process adopting the Physical Uplink Shared Channel of multi-antenna port transmission according to the lte-a system of correlation technique;
Fig. 3 is the schematic diagram of the precoding of lte-a system according to correlation technique;
Fig. 4 is the flow chart of the indicating means of uplink demodulation reference signal according to the embodiment of the present invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Uplink scheduling in the examples below can increase descending control information format newly, and such as, this descending control information format newly increased can be called DCI format X; Or also on the basis of existing signaling type, by the length of expanded signalling, the function of signaling instruction can be increased.
Fig. 4 is the flow chart of the indicating means of uplink demodulation reference signal according to the embodiment of the present invention, and this flow process comprises the steps:
Step S402, base station sends indication information to subscriber equipment, wherein, this indication information be used to indicate following one of at least: the sequence redirect/sequence set redirect SGH mode of the cyclic shift of demodulated reference signal, the orthogonal mask of demodulated reference signal, demodulated reference signal;
Step S404, subscriber equipment, according to the indication information received, sends data and demodulated reference signal to this base station.
By above-mentioned steps S402 and step S404, the content that base station can be selected indicated by indication information according to the protocol version of subscriber equipment, thus the transmission of multi-antenna port can be supported.In addition, again because there has been the protocol version and the ability selecting instruction according to protocol version identifying subscriber equipment base station, therefore, forward direction or backward compatibility can be realized with comparalive ease.
Preferably, above-mentioned indication information is carried in descending control information format, wherein, this descending control information format comprises the descending control information format of the Physical Uplink Shared Channel for dispatching single antenna port transmission and/or the descending control information format for dispatching the Physical Uplink Shared Channel that multi-antenna port is transmitted.
Preferably, when the agreement of subscriber equipment only supports subscriber equipment physically row shared channel to adopt single antenna port transmission, or when the orthogonal mask of the demodulated reference signal of base station configure user equipment is not enable, this indication information is used to indicate the cyclic shift of demodulated reference signal.
Preferably, when the agreement of subscriber equipment supports subscriber equipment physically row shared channel to adopt multi-antenna port and/or single antenna port transmission, this indication information is used to indicate the cyclic shift of demodulated reference signal, the orthogonal mask of demodulated reference signal and SGH mode.
Wherein, whether enablely SGH can be configured by high-level signaling, or configure the mode of SGH by high-level signaling, or combine the mode of the whether enable and SGH of configuration SGH by high-level signaling.
Preferably, this indication information is the signaling of 3 bits (bit).
Rel-10 and later release and Release-8/9 thereof is divided into be described to for the agreement of the signaling of 3 bits and subscriber equipment support below.
The 3bits signaling of definition, for the CS of the subscriber equipment joint instructions demodulated reference signal to Rel-10 and later release thereof, OCC and sequence/group hopping (SGH) mode; Also for the CS of the subscriber equipment instruction demodulated reference signal to Rel-8/9 version.
Preferably, 3bits signaling is included in descending control information format (DCI format).This descending control information format, by Physical Downlink Control Channel, sends to target UE by base station.
Preferably, SGH mode comprises the SGH mode of time slot redirect (slot hopping) and subframe redirect (subframe hopping).Wherein, when described SGH mode is configured to time slot redirect, the enable configuration by high-level signaling of sequence redirect (Sequence hopping) and sequence set redirect (Grouphopping); When described SGH mode is configured to subframe redirect, the enable and redirect mode of subframe redirect is configured by high-level signaling;
Preferably, the span of 3bits signaling is the { subset of 000,001,010,011,100,101,110,111}.
Rel-8/9 version be used for 3bits signaling below and be described respectively for the instruction demodulated reference signal of Rel-10 and later release thereof.
(1) 3bits signaling is used for the CS of the subscriber equipment instruction demodulated reference signal of Rel-8/9 version as shown in table 1:
Table 1
Preferably, this 3bits signaling can be included in DCI format 0.
(2) this 3bits signaling is for CS, OCC and SGH mode of the demodulated reference signal of the subscriber equipment joint instructions to Rel-10 and later release thereof.Below configuration CS, OCC and SGH mode is described respectively.
Configuration CS:
When descending control information format regulation goal subscriber equipment sends the PUSCH of single antenna port transmission, this 3bits signaling indicates
as shown in table 1, do not repeat them here.
When descending control information format regulation goal subscriber equipment sends the PUSCH of multi-antenna port transmission, this 3bits is used to indicate the cyclic shift of the demodulated reference signal of a layer; The cyclic shift of the demodulated reference signal of the layer indicated by described 3bits signaling calculates the cyclic shift of the demodulated reference signal of other layers.Below the method for this instruction and calculating is illustrated.
This 3bits signaling indicates
wherein,
be the cyclic shift of the demodulated reference signal of d layer data, 0≤d≤υ-1.The then cyclic shift of the demodulated reference signal of the 1st layer data
for
wherein, Δ
cSfor the interlayer cyclic shift of demodulated reference signal is poor, or claim cyclic shift (cyclicshift offset).
Preferably, when descending control information format regulation goal subscriber equipment sends the PUSCH of multi-antenna port transmission, this 3bits signaling indicates
wherein,
it is the cyclic shift of the demodulated reference signal of the 0th layer data.The then cyclic shift of the demodulated reference signal of the 1st layer data
for
Wherein, the interlayer cyclic shift difference Δ of demodulated reference signal
cSdetermined by the spatial reuse number of plies of PUSCH, following table 2 is illustrating this.
Table 2
| The spatial reuse number of plies υ of PUSCH | The interlayer cyclic shift difference Δ of demodulated reference signal CS |
| 2 | 6 |
| 3 | 4 |
| 4 | 3 |
Configuration SGH mode:
When the value of this 3bits signaling belongs to a proper subclass of its span, the SGH mode of instruction demodulated reference signal is time slot redirect; When the value of this 3bits signaling belongs to the supplementary set of above-mentioned proper subclass, the SGH mode of instruction demodulated reference signal is subframe redirect.
Such as, if the span of this 3bits signaling be 000,001,010,011,100,101,110,111}, and when the value of this 3bits signaling belong to during 000,001,010,011}, and instruction demodulated reference signal SGH mode be time slot redirect; When the value of this 3bits signaling belongs to, { during 100,101,110,111}, ((((the SGH mode of demodulated reference signal is subframe redirect in instruction.
If the span of this 3bits signaling be 000,001,010,011,100,101}, and when the value of this 3bits signaling belong to during 000,001,010}, and instruction demodulated reference signal SGH mode be time slot redirect; When the value of this 3bits signaling belongs to, { during 011,100,101}, the SGH mode of instruction demodulated reference signal is subframe redirect.
Preferably, above-mentioned configuration mode is only for as the PUSCH of descending control information format regulation goal subscriber equipment transmission multi-antenna port transmission, and when descending control information format regulation goal subscriber equipment sends the PUSCH of single antenna port transmission, demodulated reference signal does not use the SGH mode of subframe redirect, and this 3bit signaling is not used in configuration SGH mode.
Configuration OCC:
Whether base station is enable by the orthogonal mask of the demodulated reference signal of high-level signaling configure user equipment; If described base station is not configured the orthogonal mask of the demodulated reference signal of this subscriber equipment, then the orthogonal mask of the demodulated reference signal of this subscriber equipment is defaulted as not enable.
Such as, first subscriber equipment judges whether to receive from enable/not enable signaling of the OCC of base station, if do not receive signaling, then subscriber equipment does not use OCC to uplink demodulation reference signal; If receive signaling, then subscriber equipment continues to judge that whether the OCC that this signaling indicates is enable, when the OCC of signaling instruction is not enable, then subscriber equipment does not use OCC to uplink demodulation reference signal, when the OCC of signaling instruction is enable, then subscriber equipment uses OCC to uplink demodulation reference signal.
When the SGH mode of 3bits signaling instruction demodulated reference signal is subframe redirect: the demodulated reference signal of each layer data uses identical OCC.
When the SGH mode of 3bits signaling instruction demodulated reference signal is time slot redirect:
When descending control information format regulation goal subscriber equipment sends the PUSCH of multi-antenna port transmission of spatial reuse number of plies υ≤2, the demodulated reference signal of each layer data uses identical OCC;
3bits signaling instruction OCC; When descending control information format regulation goal subscriber equipment sends the PUSCH of multi-antenna port transmission of spatial reuse number of plies υ > 2, the demodulated reference signal of each layer data uses different OCC.
Such as, when descending control information format regulation goal subscriber equipment sends the PUSCH of the multi-antenna port transmission of spatial reuse number of plies υ > 2, and the SGH mode of this 3bits signaling instruction demodulated reference signal is when being time slot redirect, the demodulated reference signal of each layer data uses different OCC.
Again such as, when descending control information format regulation goal subscriber equipment sends the PUSCH of the multi-antenna port transmission of spatial reuse number of plies υ > 2, and the SGH mode of this 3bits signaling instruction demodulated reference signal is when being subframe redirect, the demodulated reference signal of each layer data uses identical OCC.
Wherein, the OCC that uses of the demodulated reference signal of 3bits signaling and spatial reuse number of plies υ and sequence number 1 joint instructions respective layer data.
Preferably, when descending control information format regulation goal subscriber equipment sends the PUSCH of single antenna port transmission, and when the agreement of subscriber equipment only supports single antenna port transmission, demodulated reference signal does not use OCC, and this 3bit signaling is not used in configuration OCC.
Preferably, when descending control information format regulation goal subscriber equipment sends the PUSCH of single antenna port transmission, this demodulated reference signal uses OCC, the mode of this 3bit signal deployment OCC is with as the PUSCH that the multi-antenna port that descending control information format regulation goal subscriber equipment sends spatial reuse number of plies υ=1 is transmitted, and the mode of 3bit signal deployment OCC is identical.
Preferably, the descending control information format of the PUSCH of this regulation goal subscriber equipment transmission single antenna port transmission comprises DCI format 0.
In another embodiment, additionally provide a kind of indication mechanism of demodulated reference signal, comprising: base station and subscriber equipment, wherein:
Base station is used for sending indication information to subscriber equipment, indication information be used to indicate following one of at least: the sequence redirect/sequence set redirect SGH mode of the cyclic shift of demodulated reference signal, the orthogonal mask of demodulated reference signal, demodulated reference signal; Subscriber equipment is used for the indication information according to receiving, and sends data and demodulated reference signal to base station.
Preferably, base station is also for being carried in descending control information format by indication information, wherein, descending control information format comprises the descending control information format of the Physical Uplink Shared Channel for dispatching single antenna port transmission and/or the descending control information format for dispatching the Physical Uplink Shared Channel that multi-antenna port is transmitted.
Below the variant embodiment of each embodiment above-mentioned is described.
Subscriber equipment to Rel-10 and later release thereof: when described descending control information format execution cost target UE sends the PUSCH of single antenna port transmission, or send spatial reuse number of plies υ=1 multi-antenna port transmission PUSCH time, 3bits signaling is as shown in table 3:
Table 3
| 000 | 0 | [1，1] | Time slot redirect |
| 001 | 6 | [1，1] | Time slot redirect |
| 010 | 3 | [1，1] | Time slot redirect |
| 011 | 4 | [1，-1] | Subframe redirect |
| 100 | 2 | [1，1] | Subframe redirect |
| 101 | 8 | [1，1] | Subframe redirect |
| 110 | 10 | [1，-1] | Subframe redirect |
| 111 | 9 | [1，1] | Time slot redirect |
Or, as shown in table 4:
Table 4
Or, as shown in table 5:
Table 5
| 100 | 2 | [1，1] | |
| 101 | 8 | [1，-1] | |
| 110 | 10 | [1，-1] | |
| 111 | 9 | [1，-1] |
Wherein, for the SGH mode of table 5, in 8 kinds of states of 3bits denoting signaling, the SGH mode having n kind state is time slot redirect, has the SGH mode of 8-n kind state to be subframe redirect, and n is a certain integer between 1 to 7.
Or, as shown in table 6:
Table 6
Wherein, for the SGH mode of table 6, in 8 kinds of states of 3bits denoting signaling, the SGH mode having n kind state is time slot redirect, has the SGH mode of 8-n kind state to be subframe redirect, and n is a certain integer between 1 to 7.
Or, as shown in table 7:
Table 7
| 010 | 3 | [1，-1] | |
| 011 | 4 | [1，-1] | |
| 100 | 2 | [1，1] | |
| 101 | 8 | [1，1] | |
| 110 | 10 | [1，-1] | |
| 111 | 9 | [1，-1] |
Wherein, for the SGH mode of table 7, in 8 kinds of states of 3bits denoting signaling, the SGH mode having n kind state is time slot redirect, has the SGH mode of 8-n kind state to be subframe redirect, and n is a certain integer between 1 to 7.
Or, as shown in table 8:
Table 8
Wherein, for the SGH mode of table 8, in 8 kinds of states of 3bits denoting signaling, the SGH mode having n kind state is time slot redirect, has the SGH mode of 8-n kind state to be subframe redirect, and n is a certain integer between 1 to 7.
When descending control information format regulation goal subscriber equipment sends the PUSCH of multi-antenna port transmission of spatial reuse number of plies υ=2, interlayer cyclic shift difference Δ
cS=6,3bits signaling is as shown in table 9:
Table 9
Or, as shown in table 10:
Table 10
When descending control information format adjusts target UE to send the PUSCH of multi-antenna port transmission of spatial reuse number of plies υ=3, interlayer cyclic shift difference Δ
cS=4,3bits signaling is as shown in table 11:
Table 11
When descending control information format regulation goal subscriber equipment sends the PUSCH of multi-antenna port transmission of spatial reuse number of plies υ=4, interlayer cyclic shift difference Δ
cS=3,3bits signaling is as shown in table 12:
Table 12
In sum, pass through the above embodiment of the present invention, the indicating means solved in correlation technique cannot meet the problem of the requirement of uplink multi-antenna port transmission, and then can indicate the parameter of demodulated reference signal, to meet the requirement of uplink multi-antenna port transmission.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. an indicating means for uplink demodulation reference signal, is characterized in that, comprising:
Base station sends indication information to subscriber equipment, described indication information be used to indicate following one of at least: the sequence redirect/sequence set redirect SGH mode of the cyclic shift of demodulated reference signal, the orthogonal mask of demodulated reference signal, demodulated reference signal;
Described subscriber equipment, according to the indication information received, sends data and demodulated reference signal to described base station;
Wherein, content is selected indicated by described indication information according to the protocol version of described subscriber equipment in described base station.
2. method according to claim 1, it is characterized in that, described indication information is carried in descending control information format, wherein, described descending control information format comprises the descending control information format of the Physical Uplink Shared Channel for dispatching single antenna port transmission and/or the descending control information format for dispatching the Physical Uplink Shared Channel that multi-antenna port is transmitted.
3. method according to claim 1, is characterized in that, whether described base station configures the demodulated reference signal of described subscriber equipment orthogonal mask by high-level signaling is enable; If described base station is not configured the orthogonal mask of the demodulated reference signal of described subscriber equipment, then the orthogonal mask of the demodulated reference signal of described subscriber equipment is defaulted as not enable.
4. method according to claim 1, it is characterized in that, when the agreement of described subscriber equipment only supports described subscriber equipment physically row shared channel to adopt single antenna port transmission, or when the orthogonal mask that described base station configures the demodulated reference signal of described subscriber equipment is not enable, described indication information is used to indicate the cyclic shift of demodulated reference signal.
5. method according to claim 1, it is characterized in that, when the agreement of described subscriber equipment supports described subscriber equipment physically row shared channel to adopt multi-antenna port and/or single antenna port transmission, described indication information is used to indicate the cyclic shift of demodulated reference signal and the orthogonal mask of demodulated reference signal and/or SGH mode.
6. the method according to claim 4 or 5, is characterized in that, the descending control information format at described indication information place comprises: descending control information format DCI format0.
7. method according to claim 5, is characterized in that,
The cyclic shift that described indication information is used to indicate demodulated reference signal comprises: described indication information is used to indicate the cyclic shift of the demodulated reference signal of a layer;
The cyclic shift of the demodulated reference signal of the layer indicated by described indication information calculates the cyclic shift of the demodulated reference signal of other layers.
8. method according to claim 5, is characterized in that, described indication information is used to indicate orthogonal mask and comprises:
When the descending control information format at described indication information place is less than or equal to two for schedule said user's equipment transmission spatial reuse number of plies, described indication information indicates the demodulated reference signal of each layer to use identical orthogonal mask.
9. method according to claim 5, is characterized in that, described indication information is used to indicate orthogonal mask and comprises:
When the descending control information format at described indication information place is greater than two for schedule said user's equipment transmission spatial reuse number of plies, and, when the SGH mode of described indication information instruction is subframe redirect, described indication information indicates the demodulated reference signal of each layer to use identical orthogonal mask.
10. the method according to claim 4 or 5, it is characterized in that, when the descending control information format at described indication information place is one for schedule said user's equipment transmission spatial reuse number of plies, the scope of the cyclic shift value of the demodulated reference signal of described indication information instruction is: 0,2,3,4,6,8,9,10.
11. methods according to any one of claim 1 to 5, is characterized in that, described SGH mode comprises one of following: time slot redirect, subframe redirect.
12. methods according to claim 11, is characterized in that, whether enable configure described SGH by high-level signaling, or configure the mode of SGH by high-level signaling, or combine the mode of the whether enable and SGH of configuration SGH by high-level signaling.
13. methods according to any one of claim 1 to 5, is characterized in that, described indication information is the signaling of 3 bits.
14. methods according to claim 13, is characterized in that, in represented by signaling 8 kinds of states of described 3 bits, the SGH mode of n kind state is had to be time slot redirect, have the SGH mode of 8-n kind state to be subframe redirect, wherein, n is an integer between 1 to 7.
The indication mechanism of 15. 1 kinds of uplink demodulation reference signals, comprising: base station and subscriber equipment, is characterized in that:
Described base station is used for sending indication information to described subscriber equipment, described indication information be used to indicate following one of at least: the sequence redirect/sequence set redirect SGH mode of the cyclic shift of demodulated reference signal, the orthogonal mask of demodulated reference signal, demodulated reference signal;
Described subscriber equipment is used for the indication information according to receiving, and sends data and demodulated reference signal to described base station;
Wherein, content is selected indicated by described indication information according to the protocol version of described subscriber equipment in described base station.
16. systems according to claim 15, it is characterized in that, described base station is also for being carried in descending control information format by described indication information, wherein, described descending control information format comprises the descending control information format of the Physical Uplink Shared Channel for dispatching single antenna port transmission and/or the descending control information format for dispatching the Physical Uplink Shared Channel that multi-antenna port is transmitted.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010178114.7A CN101882980B (en) | 2010-05-06 | 2010-05-06 | Method and system for indicating uplink demodulation reference signal |
| PCT/CN2010/077165 WO2011137620A1 (en) | 2010-05-06 | 2010-09-20 | Indication method and system for uplink demodulation reference signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010178114.7A CN101882980B (en) | 2010-05-06 | 2010-05-06 | Method and system for indicating uplink demodulation reference signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101882980A CN101882980A (en) | 2010-11-10 |
| CN101882980B true CN101882980B (en) | 2015-07-22 |
Family
ID=43054885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010178114.7A Expired - Fee Related CN101882980B (en) | 2010-05-06 | 2010-05-06 | Method and system for indicating uplink demodulation reference signal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101882980B (en) |
| WO (1) | WO2011137620A1 (en) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882980B (en) * | 2010-05-06 | 2015-07-22 | 中兴通讯股份有限公司 | Method and system for indicating uplink demodulation reference signal |
| WO2012135995A1 (en) * | 2011-04-02 | 2012-10-11 | Panasonic Corporation | Method of transmitting reference signal, transmission point device and user equipment |
| CN102427396A (en) * | 2011-08-15 | 2012-04-25 | 中兴通讯股份有限公司 | Information interaction method for inter-cell uplink demodulation reference signal (DMRS) and base station |
| CN102413572B (en) * | 2011-09-28 | 2017-06-06 | 中兴通讯股份有限公司 | The sending method and device of DMRS and its signaling |
| CN103036662B (en) * | 2011-09-30 | 2017-03-15 | 中兴通讯股份有限公司 | The sequence jump method and device of uplink demodulation reference signal |
| CN103220071B (en) * | 2012-01-20 | 2018-03-23 | 中兴通讯股份有限公司 | A kind of Notification Method and system of uplink demodulation pilot tone control signaling |
| CN103220791A (en) * | 2012-01-20 | 2013-07-24 | 中兴通讯股份有限公司 | Signaling resource allocation method for uplink demodulation reference signals and base station |
| CN104137461B (en) * | 2012-02-20 | 2017-11-17 | Lg 电子株式会社 | The method and apparatus that uplink signal is transmitted in wireless communication system |
| WO2013125846A1 (en) | 2012-02-20 | 2013-08-29 | Lg Electronics Inc. | Method and apparatus for transmitting uplink signal in wireless communication system |
| CN103312399B (en) * | 2012-03-16 | 2018-06-15 | 中兴通讯股份有限公司 | The sending method and user equipment of Physical Uplink Shared Channel demodulated reference signal |
| CN103312447B (en) * | 2012-03-16 | 2019-02-26 | 中兴通讯股份有限公司 | The sending method and device of demodulation reference signal of physical uplink control channel |
| CN103327629B (en) * | 2012-03-21 | 2016-12-14 | 中国移动通信集团公司 | Generate DMRS sequence, the method sending DMRS sequence initial value and terminal, base station |
| CN103391621B (en) * | 2012-05-11 | 2019-01-01 | 中兴通讯股份有限公司 | Uplink demodulation reference signal processing method and processing device |
| US9107223B2 (en) | 2012-05-23 | 2015-08-11 | Telefonaktiebolaget L M Ericsson (Publ) | Methods, systems and devices for decoupled interference randomization for uplink reference signals |
| CN104782199B (en) * | 2012-11-16 | 2019-05-21 | 华为技术有限公司 | Transmission method, user equipment and the network equipment of RS |
| CN103974418B (en) * | 2013-01-24 | 2019-04-05 | 中兴通讯股份有限公司 | DMRS processing method and processing device |
| KR20150104155A (en) * | 2013-01-25 | 2015-09-14 | 후지쯔 가부시끼가이샤 | Signaling indication method, user equipment and base station for demodulating reference signal |
| CN105191464B (en) | 2013-04-01 | 2019-05-10 | 松下电器（美国）知识产权公司 | Terminal, base station, DMRS generation method and sending method |
| CN109981239A (en) | 2013-06-28 | 2019-07-05 | 华为技术有限公司 | A kind of method and apparatus for sending control information, receiving control information |
| CN108605247A (en) * | 2016-01-29 | 2018-09-28 | 华为技术有限公司 | A kind of transmission method of reference signal, device and system |
| US11095411B2 (en) | 2016-08-12 | 2021-08-17 | Qualcomm Incorporated | Demodulation reference signal design for vehicle-to-vehicle communication |
| CN107733613B (en) * | 2016-08-12 | 2022-06-21 | 中兴通讯股份有限公司 | Method and device for sending uplink demodulation reference signal (DMRS) |
| CN108024342B (en) * | 2016-11-04 | 2023-04-18 | 中兴通讯股份有限公司 | Method and device for configuring demodulation reference signal |
| JPWO2018163432A1 (en) * | 2017-03-10 | 2020-01-09 | 株式会社Ｎｔｔドコモ | User terminal and wireless communication method |
| CN109474557B (en) * | 2017-09-08 | 2021-06-01 | 华为技术有限公司 | Communication method and device |
| CN110138524B (en) * | 2018-02-09 | 2020-09-08 | 华为技术有限公司 | Transmission control method, terminal equipment and network equipment |
| CN112292834B (en) * | 2018-06-27 | 2022-08-26 | 华为技术有限公司 | Method and communication device for selecting transmission mode |
| WO2020088462A1 (en) * | 2018-11-02 | 2020-05-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Demodulation reference signal sequence generation method and appratus |
| CN111278159B (en) * | 2019-01-18 | 2022-04-29 | 维沃移动通信有限公司 | Random access transmission method and terminal |
| CN111294147B (en) * | 2019-04-25 | 2023-01-31 | 北京紫光展锐通信技术有限公司 | Encoding method and device of DMR system, storage medium and digital interphone |
| CN115189835A (en) * | 2021-04-02 | 2022-10-14 | 大唐移动通信设备有限公司 | Information configuration method and device, network equipment and terminal equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101309134A (en) * | 2008-06-23 | 2008-11-19 | 中兴通讯股份有限公司 | Notifying method of downlink data receiving status |
| CN101645868A (en) * | 2009-08-31 | 2010-02-10 | 中兴通讯股份有限公司 | Transmission method and device of reference signals |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080267269A1 (en) * | 2007-04-30 | 2008-10-30 | Nokia Corporation | Method and apparatus for transmitting reference signals |
| CN101370192A (en) * | 2007-08-15 | 2009-02-18 | 中兴通讯股份有限公司 | High-rise informing method for demodulating reference signal mode in long-term evolution system |
| US8059524B2 (en) * | 2008-01-04 | 2011-11-15 | Texas Instruments Incorporated | Allocation and logical to physical mapping of scheduling request indicator channel in wireless networks |
| CN101800622B (en) * | 2010-01-08 | 2015-10-21 | 中兴通讯股份有限公司 | The signaling configuration method of Physical Uplink Shared Channel and system |
| CN101882980B (en) * | 2010-05-06 | 2015-07-22 | 中兴通讯股份有限公司 | Method and system for indicating uplink demodulation reference signal |
-
2010
- 2010-05-06 CN CN201010178114.7A patent/CN101882980B/en not_active Expired - Fee Related
- 2010-09-20 WO PCT/CN2010/077165 patent/WO2011137620A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101309134A (en) * | 2008-06-23 | 2008-11-19 | 中兴通讯股份有限公司 | Notifying method of downlink data receiving status |
| CN101645868A (en) * | 2009-08-31 | 2010-02-10 | 中兴通讯股份有限公司 | Transmission method and device of reference signals |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011137620A1 (en) | 2011-11-10 |
| CN101882980A (en) | 2010-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101882980B (en) | Method and system for indicating uplink demodulation reference signal | |
| CN101800622B (en) | The signaling configuration method of Physical Uplink Shared Channel and system | |
| JP5862910B2 (en) | Base station and base station operation method and terminal and terminal operation method | |
| US9621242B2 (en) | Downlink control signalling for indication of interfering layers | |
| US9585136B2 (en) | Method and system for indicating method used to scramble dedicated reference signals | |
| US9131492B2 (en) | Method and system of multi-layer beamforming | |
| CN102957471B (en) | The Enhancement Method and system of a kind of demodulated reference signal | |
| CN101801097B (en) | Method for indicating physical uplink shared channel scheduling information | |
| CN103503325B (en) | With the radio communication of cooperation cell | |
| CN101848544B (en) | Mapping method and device of PHICH resources | |
| JP2016027747A (en) | Multi-user multiple-input multiple-output transmission method in radio communication system | |
| CN105144816A (en) | Methods for codeword level interference cancellation with network assistance | |
| CN105308889A (en) | Method for interference cancellation in wireless communication system and apparatus therefor | |
| CN102413572A (en) | DMRS (demodulation reference signal) as well as sending method and device thereof | |
| CN102395163A (en) | Coordinated multipoint transmission system and information interaction method therein | |
| CN103944665A (en) | Uplink DMRS transmitting method, device and system/ Transmitting method, device and system used for uplink DMRS | |
| CN103560870A (en) | Technique for transmitting and receiving downlink reference signals | |
| CN101860424B (en) | The sending method of Downlink Control Information and base station | |
| CN101860425B (en) | Method and device for mapping resources of physical hybrid retransmission indicator channel | |
| CN102427396A (en) | Information interaction method for inter-cell uplink demodulation reference signal (DMRS) and base station | |
| CN103580812B (en) | A kind of feedback method and user equipment of channel state information | |
| CN103391621A (en) | Method and device for processing uplink demodulation reference signal | |
| CN101873670A (en) | Processing method and system of control signaling in coordinated multipoint transmission | |
| CN104754537A (en) | Method and device for transmitting and receiving network-assisted signals |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171222 Address after: 518000, two 703A, COFCO business park, two Xian Xian Road, Xin'an, Shenzhen, Guangdong, Baoan District Patentee after: Shenzhen Fu Hai Sunshine Technology Co., Ltd. Address before: 518057 Nanshan District science and technology, Guangdong Province, South Road, No. 55, No. Patentee before: ZTE Corporation |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20190506 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |