CN101938296A - Production method of pilot frequency sequence, user equipment and base station - Google Patents
Production method of pilot frequency sequence, user equipment and base station Download PDFInfo
- Publication number
- CN101938296A CN101938296A CN2009101085218A CN200910108521A CN101938296A CN 101938296 A CN101938296 A CN 101938296A CN 2009101085218 A CN2009101085218 A CN 2009101085218A CN 200910108521 A CN200910108521 A CN 200910108521A CN 101938296 A CN101938296 A CN 101938296A
- Authority
- CN
- China
- Prior art keywords
- sequence
- dedicated pilot
- initialization sequence
- interference
- initialization
- 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
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention discloses a production method of a pilot frequency sequence, comprising the following steps of: generating an initialization sequence of a special pilot frequency sequence of user equipment (UE), wherein a generation formula of the initialization sequence only comprises UE shared parameters; generating the special pilot frequency sequence of the UE according to the initialization sequence, therefore, the UE can acquire a special pilot frequency sequence which interferes the UE according to the generated special pilot frequency sequence of the UE, thereby obtaining a channel for interfering the UE to eliminate interference among UEs and enhancing the system performance. The embodiment of the invention also discloses the user equipment and a base station.
Description
Technical field
The present invention relates to wireless communication technology field, be specifically related to a kind of generation method, device of pilot frequency sequence.
Background technology
The transmission of 3GPP LTE system descending can adopt subscriber equipment (UE) dedicated pilot signal (UE SpecificReference Signal) to carry out the data channel demodulation of wave beam complex (Beamforming) pattern.The downstream data channel that LTE strengthens (LTE-Advance) system all adopts the UE dedicated pilot signal to carry out demodulation.
The detailed process that terminal is carried out data demodulates by pilot signal comprises: receive pilot signal, carry out the transmission channel response according to this pilot signal and estimate, again according to the channel response that estimates, detect the data-signal of transmitting terminal.
Wherein, carrying out the transmission channel response according to this pilot signal estimates to comprise, the pilot frequency sequence that the pilot signal that the known transmitting terminal of receiving terminal sends is carried, generate the pilot frequency sequence of receiving terminal in this locality, receiving terminal receives through the pilot signal after the transmission of space, according to pilot signal that receives and known transmission pilot frequency sequence, know the channel response of the space transmission channel of pilot signal, because data-signal and the identical space transmission channel of pilot signal experience, therefore, also just obtain the transmission channel response of data-signal.
At cellular communication system, different districts adopts different pilot frequency sequences, to realize interference randomization between pilot signal, reduces the influence of presence of intercell interference.Pilot frequency sequence is generated by pseudorandom (PN) sequence usually, under the identical shift register structure, and the different PN sequence of the corresponding generation of different shift register initialization sequences.
LTE and LTE-Advance need to strengthen downlink throughput capacity, many UE spatial reuse is that a kind of effective performance strengthens mode, LTE strengthens the mode that downlink throughput capacity adopts increases descending many UE beamforming, and the employing of LTE-Advance enhancing downlink throughput capacity strengthens design on many UE of LTE spatial reuse transmission mode basis.Many UE spatial reuse transmission mode refers to that specifically the data of different UEs are transmitted on identical running time-frequency resource by spatial reuse.But, under many UE spatial reuse transmission mode,, can have the phase mutual interference between the multiplexing UE data together because space channel can not guarantee complete quadrature.
Two kinds of interference eliminated ways are arranged in the prior art, a kind of interference elimination method is UE can obtain to disturb UE earlier according to the dedicated pilot signal that disturbs UE transmission channel response, disturb the demodulation of UE data, acquisition is transmitted to the data of disturbing UE, recover interference UE data-signal component in the data-signal that UE receives according to being transmitted to the data of disturbing UE, and should disturb UE data-signal component from received signal, to deduct, thereby carry out interference eliminated; Another kind of interference elimination method is that UE can respond and disturb this UE transmission channel response generation channel matrix according to the transmission channel of this UE, carries out multi-user data symbol joint-detection, thereby carries out interference eliminated.
The UE ID that comprises the affiliated UE of data channel in the LTE system in the initialization sequence of existing UE dedicated pilot sequence, then the dedicated pilot sequence difference of different UEs.Under many UE spatial reuse transmission mode, if adopt the dedicated pilot sequence of LTE, can't know the channel that disturbs UE, can not carry out interference eliminated, reduced the performance of system.
Summary of the invention
The technical problem underlying that the embodiment of the invention will solve provides a kind of generation method, subscriber equipment of pilot frequency sequence, the base station is supported under many UE spatial reuse transmission mode, makes UE can know the channel that disturbs UE, thereby carry out interference eliminated, improved systematic function.
For addressing the above problem, various embodiments of the present invention provide following technical scheme:
A kind of generation method of pilot frequency sequence comprises:
Generate the initialization sequence of user equipment (UE) dedicated pilot sequence, only comprise UE in the production of described initialization sequence and know parameter altogether;
Generate the dedicated pilot sequence of UE according to described initialization sequence.
A kind of generation method of pilot frequency sequence comprises:
Receive the UE ID of the interference UE of base station notice;
According to the described initialization sequence that disturbs the dedicated pilot sequence of UE of described UE ID generation, wherein, comprise UE ID in the production of described initialization sequence;
Generate the dedicated pilot sequence of disturbing UE according to described initialization sequence.
A kind of generation method of pilot frequency sequence comprises:
Obtain the peculiar sign of the interference UE of distribution;
Generate the initialization sequence of the dedicated pilot sequence of described interference UE, wherein, comprise the peculiar sign of described interference UE in the production of described initialization sequence;
Generate the dedicated pilot sequence of disturbing UE according to described initialization sequence.
A kind of generation method of pilot frequency sequence comprises:
Send the UE ID that disturbs UE;
So that UE generates the initialization sequence of the dedicated pilot sequence of described interference UE according to described UE ID, and then make UE generate the dedicated pilot sequence of disturbing UE according to described initialization sequence;
Wherein, comprise described UEID in the production of described initialization sequence.
A kind of generating apparatus of pilot frequency sequence comprises:
Generation module one is used to generate the initialization sequence of UE dedicated pilot sequence, only comprises UE in the production of described initialization sequence and knows parameter altogether;
Generation module two is used for the dedicated pilot sequence according to described initialization sequence generation UE.
A kind of subscriber equipment comprises:
Receiver module is used to receive the UE ID of the interference UE of base station notice;
Generation module one is used for the initialization sequence according to the dedicated pilot sequence of the described interference of described UE ID generation UE, wherein, comprises UE ID in the production of described initialization sequence;
Generation module two is used for generating the dedicated pilot sequence of disturbing UE according to described initialization sequence.
A kind of subscriber equipment comprises:
Acquisition module is used to obtain the peculiar sign of the interference UE of distribution;
Generation module one is used to generate the initialization sequence of the dedicated pilot sequence of described interference UE, wherein, comprises the peculiar sign of described interference UE in the production of described initialization sequence;
Generation module two is used for generating the dedicated pilot sequence of disturbing UE according to described initialization sequence.
A kind of base station comprises:
Sending module is used to send the UEID that disturbs UE;
So that UE generates the initialization sequence of the dedicated pilot sequence of described interference UE according to described UEID, and then make UE generate the dedicated pilot sequence of disturbing UE according to described initialization sequence;
Wherein, comprise described UE ID in the production of described initialization sequence.
In the present embodiment, under many UE spatial reuse transmission mode, generate the initialization sequence of UE dedicated pilot sequence, only comprise UE in the production of described initialization sequence and know parameter altogether, generate the dedicated pilot sequence of UE according to described initialization sequence, thereby generate the dedicated pilot sequence of UE according to this, UE can be known the dedicated pilot sequence of disturbing UE, and then the channel of acquisition interference UE, carry out interference eliminated between UE, thereby improve systematic function.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is briefly introduced in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
A kind of pilot sequence generating method schematic flow sheet that Fig. 1 provides for the embodiment of the invention one;
A kind of pilot sequence generating method schematic flow sheet that Fig. 2 provides for the embodiment of the invention two;
A kind of pilot sequence generating method schematic flow sheet that Fig. 3 provides for the embodiment of the invention three;
Fig. 4 is the generating apparatus structural representation of a kind of pilot frequency sequence of the embodiment of the invention;
Fig. 5 is a kind of user equipment (ue) device structural representation of the embodiment of the invention;
Fig. 6 is the another kind of user equipment (ue) device structural representation of the embodiment of the invention;
Fig. 7 is a kind of architecture of base station schematic diagram of the embodiment of the invention.
Embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing, and obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtained under the creative work prerequisite.
Under many UE space multiplexing mode, the orthogonal manner emission that the pilot signal of different UEs can adopt time-division, frequency division or sign indicating number to divide, receiving terminal is distinguished the pilot signal of different UEs.The data channel of single current beamforming transmission mode adopts the UE dedicated pilot signal to carry out demodulation, also comprises the user ID (UEID) of the affiliated UE of data channel in the initialization sequence production of base station pilot sequence except comprising cell ID (cellID).
Wherein, the initialization sequence initialization formula of dedicated pilot sequence can for:
In the above-mentioned formula, c
InitBe initialization sequence; n
sBe the time slot sequence number;
Be CellID; n
RNTIBe UEID.
Because UEID is a network side is the distinctive user ID that each user distributes in the single subdistrict.Under many spatial reuses transmission mode, need obtain to disturb the channel of UE according to the pilot frequency sequence of interference UE, but owing to comprise the UE ID of the affiliated UE of data channel, then the dedicated pilot sequence difference of different UEs in the initialization sequence of pilot frequency sequence.Under many UE spatial reuse transmission mode, if adopt the dedicated pilot sequence of LTE, can't know the channel that disturbs UE, and then can not carry out interference eliminated, reduced the performance of system.
The generation method that the technical problem underlying that the embodiment of the invention will solve provides a kind of pilot frequency sequence is supported under many UE spatial reuse transmission mode carries out interference eliminated between UE, has improved systematic function.
Below by specific embodiment, be described in detail respectively.
See also Fig. 1, generation method first embodiment for a kind of pilot frequency sequence in the embodiment of the invention can comprise:
101, generate the initialization sequence of user equipment (UE) dedicated pilot sequence, only comprise UE in the production of this initialization sequence and know parameter altogether;
The parameter of knowing altogether of this UE can comprise cellID, then is being somebody's turn to do under multipoint cooperative CoMP transmission mode, and this cellID is the cellID that UE is stationed the sub-district; The parameter of knowing altogether of UE can also comprise cell group identification (cell group ID), and then under multipoint cooperative CoMP transmission mode, this cell group ID is the cellgroup ID of CoMP cell set.
Formula (2) is the production of the initialization sequence of UE dedicated pilot sequence, is specifically as follows:
According to formula (2) as can be known, UE knows that altogether parameter can include but not limited to c
Init, n
s,
C wherein
InitBe initialization sequence, n
sBe the time slot sequence number,
Be CellID or Cellgroup ID.
Wherein cell group ID is common cell group identification of a plurality of sub-districts, the cell set that can form for a plurality of sub-districts of multipoint cooperative CoMP transmission means that cell set is concrete.Under the CoMP transmission means, belong to a plurality of sub-districts reception and the transmission of a user data of collaborative process simultaneously under same base station or the different base station, a CoMP cell set is formed in these a plurality of sub-districts, in cell set, it is the sub-district of being stationed of the initial access of UE that a sub-district is arranged, in the CoMP cell set, every cell set has independently cellID, a CoMP cell set, also have a cell group ID, a plurality of sub-districts in the CoMP cell set send in the initialization sequence production of pilot frequency sequence of UE and comprise the cell group ID that UE is stationed the cell ID of sub-district or carries out the multipoint cooperative cell set.
102, generate the dedicated pilot sequence of UE according to this initialization sequence.
Because cell ID or cell groupID are the known parameters of UE in the sub-district, therefore carry out the dedicated pilot sequence initialization by it, UE can be known the dedicated pilot sequence of this UE in the sub-district.Because disturb the pilot frequency sequence of UE to have identical cell ID or cell group ID, so can obtain to disturb the pilot frequency sequence of UE according to the cell ID in the pilot frequency sequence initialization sequence or cell group ID with this UE.
Polytype dedicated pilot sequence can be set in the base station, is respectively applied for the dedicated pilot signal of the defeated pattern of different multi-antenna transmittings, and multi-antenna mode can be divided into: the defeated pattern of single UE multi-antenna transmitting and many UE spatial reuse transmission mode;
Wherein, this initialization sequence generates the dedicated pilot sequence of UE, comprises cell ID or cell group identification in this initialization sequence production, does not comprise the dedicated pilot sequence of UE sign, can be used for the UE of many UE space multiplexing mode;
Further, also comprise, generate the initialization sequence of the UE dedicated pilot sequence that is used for single UE space multiplexing mode, comprise UE ID in the initialization sequence production of this UE dedicated pilot sequence.
If the defeated pattern of multi-antenna transmitting is transparent with respect to this list UE, promptly should list UE do not need the defeated pattern of multi-antenna transmitting of knowing that its data channel uses, then the type of the dedicated pilot sequence of indication information notice UE use is carried in the base station by high-level signaling or physical layer control signaling, improve system flexibility, also guaranteed the backwards compatibility of LTE system.
In the present embodiment, generate the initialization sequence of UE dedicated pilot sequence, only comprise UE in the production of this initialization sequence and know parameter altogether, generate the dedicated pilot sequence of UE according to this initialization sequence, because disturb the pilot frequency sequence of UE to have identical cell ID or cell groupID with this UE, so can obtain to disturb the pilot frequency sequence of UE according to the cell ID in the pilot frequency sequence initialization sequence or cell group ID, and then the channel of UE is disturbed in acquisition, carry out interference eliminated, improve systematic function.
See also Fig. 2, generation method second embodiment for a kind of pilot frequency sequence in the embodiment of the invention can comprise:
201, receive the UE ID of the interference UE of base station notice;
Receive the UE ID of base station by the interference UE of high-level signaling or physical layer control signaling.
202, generate the initialization sequence of the dedicated pilot sequence of this interference UE according to this UE ID, wherein, comprise UE ID in the production of this initialization sequence;
203, generate the dedicated pilot sequence of disturbing UE according to this initialization sequence.
In the present embodiment, receive the UE ID of the interference UE of base station notice, generate the initialization sequence of the dedicated pilot sequence of disturbing UE according to this UE ID, comprise UE ID in the production of this initialization sequence, generate the dedicated pilot sequence of disturbing UE according to this initialization sequence, and then the channel of acquisition interference UE, carry out interference eliminated, improve systematic function.
See also Fig. 3, generation method the 3rd embodiment for a kind of pilot frequency sequence in the embodiment of the invention can comprise:
301, obtain the peculiar sign of the interference UE of distribution;
Obtain the peculiar sign of disturbing UE, comprising:
Receive the control information indication that the base station sends;
This control information indication comprises that system is the sequence number of the dedicated pilot (channel) of UE distribution; For the dedicated pilot (channel) sequence number of other UE distribution except that self and the corresponding relation of system definition, obtain the peculiar sign of disturbing UE according to system; Wherein, the corresponding relation of this system definition is the mapping relations between this dedicated pilot (channel) sequence number and the peculiar sign of this UE.For example, directly with the dedicated pilot (channel) sequence number of distributing peculiar sign as the UE of dedicated pilot sequence initialization sequence.
302, generate the initialization sequence of the dedicated pilot sequence of this interference UE, wherein, comprise the peculiar sign of this interference UE in the production of this initialization sequence;
The peculiar sign that comprises UE in the dedicated pilot sequence initialization sequence, formula (3) are dedicated pilot sequence initiation sequence production, can for:
Wherein, c
InitBe initialization sequence, n
sBe the time slot sequence number,
Be sub-district or cell group identification, n
SPECIFICBe the peculiar sign of UE;
N wherein
SPECIFICCan be n
DMRS, n
DMRSBe the dedicated pilot (channel) sequence number, then dedicated pilot sequence initiation sequence production can for:
Wherein, the peculiar n that is designated of UE
DMRS, c
InitBe initialization sequence, n
sBe the time slot sequence number,
Be sub-district or cell group identification; n
DMRSBe the dedicated pilot (channel) sequence number.
The dedicated pilot (channel) quantity that is provided with when system more for a long time, for example greater than 4, in order to reduce the complexity of the peculiar sign that obtains to disturb UE, n
SPECIFICCan also be n
DMRSModN, i.e. n
DMRSTo the N delivery, wherein N is the positive integer of the total number of dedicated pilot (channel) that is provided with less than system, then dedicated pilot sequence initiation sequence production can for:
Wherein, the peculiar n that is designated of UE
DMRSModN, c
InitBe initialization sequence, n
sBe the time slot sequence number,
Be sub-district or cell group identification; n
DMRSBe the dedicated pilot (channel) sequence number, N is the positive integer less than the total number of dedicated pilot (channel) of system's setting, n
DMRSModN is n
DMRSTo the N delivery.
The UE number M of carrying out many UE spatial reuse on identical physical resources that allows when system is less than the total number of dedicated pilot (channel), and then N can equal M
Wherein, the peculiar n that is designated of UE
DMRSModM, c
InitBe initialization sequence, n
sBe the time slot sequence number,
Be sub-district or cell group identification; n
DMRSBe the dedicated pilot (channel) sequence number, M is the UE number of many UE spatial reuse, Mn
DMRSModM is n
DMRSTo the M delivery.
303, generate the dedicated pilot sequence of disturbing UE according to this initialization sequence.
In the present embodiment, obtain the peculiar sign of the interference UE of distribution, generate the initialization sequence of the dedicated pilot sequence of this interference UE, wherein, the peculiar sign that comprises this interference UE in the production of this initialization sequence generates the dedicated pilot sequence of disturbing UE according to this initialization sequence, and then obtains to disturb the channel of UE, carry out interference eliminated, improve systematic function.
The embodiment of the invention four provides a kind of generation method of pilot frequency sequence, can comprise:
Send the UE ID that disturbs UE;
So that UE generates the initialization sequence of the dedicated pilot sequence of this interference UE according to this UE ID, and then make UE generate the dedicated pilot sequence of disturbing UE according to this initialization sequence;
Wherein, comprise this UE ID in the production of this initialization sequence.
In the present embodiment, send the UE ID that disturbs UE, so that UE generates the initialization sequence of the dedicated pilot sequence of this interference UE according to this UE ID, and then make UE generate the dedicated pilot sequence of disturbing UE according to this initialization sequence, wherein, comprise this UE ID in the production of this initialization sequence, and then make UE obtain to disturb the channel of UE, carry out interference eliminated, improve systematic function.
See also Fig. 4, a kind of generating apparatus of pilot frequency sequence can comprise in the embodiment of the invention:
Generation module 1, generation module one is used to generate the initialization sequence of UE dedicated pilot sequence, only comprises UE in the production of this initialization sequence and knows parameter altogether;
The parameter of knowing altogether of this UE can comprise cell ID, then is being somebody's turn to do under multipoint cooperative CoMP transmission mode, and this cell ID is the cell ID that UE is stationed the sub-district; The parameter of knowing altogether of UE can also comprise cellgroupID, and then under multipoint cooperative CoMP transmission mode, this cell group ID is the cell groupID of CoMP cell set.
Generation module 2 502 is used for the dedicated pilot sequence according to this initialization sequence generation UE.
In the present embodiment, under many UE spatial reuse transmission mode, generate the initialization sequence of UE dedicated pilot sequence, only comprise UE in the production of this initialization sequence and know parameter altogether, generate the dedicated pilot sequence of UE according to this initialization sequence, because disturb the pilot frequency sequence of UE to have identical cell ID or cellgroup ID with this UE, so can obtain to disturb the pilot frequency sequence of UE according to the cell ID in the pilot frequency sequence initialization sequence or cell group ID, and then the channel of UE is disturbed in acquisition, carry out interference eliminated, improve systematic function.
See also Fig. 5, a kind of subscriber equipment in the embodiment of the invention can comprise:
Generation module 1 is used for generating according to this UE ID the initialization sequence of the dedicated pilot sequence of this interference UE, wherein, comprises UE ID in the production of this initialization sequence;
Generation module 2 603, be used for according to this initialization sequence generate disturb UE dedicated pilot sequence wherein, receiver module comprises:
The receiver module that is somebody's turn to do specifically is used to receive the UEID of base station by the interference UE of high-level signaling or physical layer control signaling.
In the present embodiment, receive the UEID of the interference UE of base station notice, generate the initialization sequence of the dedicated pilot sequence of disturbing UE according to this UE ID, only comprise UE ID in the production of this initialization sequence, generate the dedicated pilot sequence of disturbing UE according to this initialization sequence, and then the channel of acquisition interference UE, carry out interference eliminated, improve systematic function.
See also Fig. 6, a kind of subscriber equipment in the embodiment of the invention can comprise:
Acquisition module 701 is used to obtain the peculiar sign of the interference UE of distribution;
Wherein, this acquisition module comprises:
Receiver module 7011 is used to receive the control information indication that the base station sends, and this control information indication comprises that system is the sequence number of the dedicated pilot (channel) of UE distribution;
This acquisition module specifically is used for being the dedicated pilot (channel) sequence number of other UE distribution except that self and the corresponding relation of system definition according to system, obtains the peculiar sign of interference UE; Wherein, the corresponding relation of this system definition is the mapping relations between this dedicated pilot (channel) sequence number and the peculiar sign of this UE.
Generation module 1 is used to generate the initialization sequence of the dedicated pilot sequence of this interference UE, wherein, comprises the peculiar sign of this interference UE in the production of this initialization sequence;
Generation module 2 703 is used for generating the dedicated pilot sequence of disturbing UE according to this initialization sequence.
In the present embodiment, obtain the peculiar sign of the interference UE of distribution, generate the initialization sequence of the dedicated pilot sequence of this interference UE, wherein, the peculiar sign that comprises this interference UE in the production of this initialization sequence generates the dedicated pilot sequence of disturbing UE according to this initialization sequence, and then obtains to disturb the channel of UE, carry out interference eliminated, improve systematic function.
As shown in Figure 7, a kind of base station in the embodiment of the invention can comprise:
Sending module 801 is used to send the UE ID that disturbs UE;
So that UE generates the initialization sequence of the dedicated pilot sequence of this interference UE according to this UE ID, and then make UE generate the dedicated pilot sequence of disturbing UE according to this initialization sequence;
Wherein, comprise this UE ID in the production of this initialization sequence.
In the present embodiment, send the UE ID that disturbs UE, so that UE generates the initialization sequence of the dedicated pilot sequence of this interference UE according to this UE ID, and then make UE generate the dedicated pilot sequence of disturbing UE according to this initialization sequence, wherein, comprise this UE ID in the production of this initialization sequence, and then make UE obtain to disturb the channel of UE, carry out interference eliminated, improve systematic function.
Description by each above embodiment, those skilled in the art can be well understood to the present invention and can realize by the mode of software and essential general hardware platform, certainly, also can pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the method that each embodiment of the present invention is somebody's turn to do.
Though pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (17)
1. the generation method of a pilot frequency sequence is characterized in that, comprising:
Generate the initialization sequence of user equipment (UE) dedicated pilot sequence, only comprise UE in the production of described initialization sequence and know parameter altogether;
Generate the dedicated pilot sequence of UE according to described initialization sequence.
2. method according to claim 1 is characterized in that,
Described UE knows that altogether parameter comprises cell ID cell ID or the cell group identification cell groupID of UE.
3. method according to claim 2 is characterized in that, under multipoint cooperative CoMP transmission mode:
Described cell ID is specially the cell ID that UE is stationed the sub-district; Or
Described cell group ID is specially the cell groupID of CoMP cell set.
4. method according to claim 1 is characterized in that, also comprises:
Generation is used for the initialization sequence of the UE dedicated pilot sequence of single UE space multiplexing mode, comprises user ID UE ID in the initialization sequence production of described UE dedicated pilot sequence.
5. the generation method of a pilot frequency sequence is characterized in that, comprising:
Receive the UE ID of the interference UE of base station notice;
According to the described initialization sequence that disturbs the dedicated pilot sequence of UE of described UE ID generation, wherein, comprise UE ID in the production of described initialization sequence;
Generate the dedicated pilot sequence of disturbing UE according to described initialization sequence.
6. want 5 described methods according to right, it is characterized in that, the UE ID of the interference UE of described reception base station notice comprises:
Receive the UE ID of base station by the interference UE of high-level signaling or physical layer control signaling.
7. the generation method of a pilot frequency sequence is characterized in that, comprising:
Obtain the peculiar sign of the interference UE of distribution;
Generate the initialization sequence of the dedicated pilot sequence of described interference UE, wherein, comprise the peculiar sign of described interference UE in the production of described initialization sequence;
Generate the dedicated pilot sequence of disturbing UE according to described initialization sequence.
8. method according to claim 7 is characterized in that, the described peculiar sign of disturbing UE of obtaining comprises:
Receive the control information indication that the base station sends, described control information indication comprises that system is the sequence number of the dedicated pilot (channel) of UE distribution;
For the dedicated pilot (channel) sequence number of other UE distribution except that self and the corresponding relation of system definition, obtain the peculiar sign of disturbing UE according to system;
Wherein, the corresponding relation of described system definition is the mapping relations between described dedicated pilot (channel) sequence number and the peculiar sign of described UE.
9. the generation method of a pilot frequency sequence is characterized in that, comprising: [embodiment two base station side]
Send the UE ID that disturbs UE;
So that UE generates the initialization sequence of the dedicated pilot sequence of described interference UE according to described UE ID, and then make UE generate the dedicated pilot sequence of disturbing UE according to described initialization sequence;
Wherein, comprise described UE ID in the production of described initialization sequence.
10. method according to claim 9 is characterized in that, described transmission disturbs the UE ID of UE to comprise:
Disturb the UE ID of UE by high-level signaling or physical layer control signaling.
11. the generating apparatus of a pilot frequency sequence is characterized in that, comprising:
Generation module one is used to generate the initialization sequence of UE dedicated pilot sequence, only comprises UE in the production of described initialization sequence and knows parameter altogether;
Generation module two is used for the dedicated pilot sequence according to described initialization sequence generation UE.
12. device according to claim 11 is characterized in that, comprising:
Generation module three, generation is used for the initialization sequence of the UE dedicated pilot sequence of single UE space multiplexing mode, comprises user ID UE ID in the initialization sequence production of described UE dedicated pilot sequence.
13. a subscriber equipment is characterized in that, comprising:
Receiver module is used to receive the UE ID of the interference UE of base station notice;
Generation module one is used for the initialization sequence according to the dedicated pilot sequence of the described interference of described UE ID generation UE, wherein, comprises UE ID in the production of described initialization sequence;
Generation module two is used for generating the dedicated pilot sequence of disturbing UE according to described initialization sequence.
14. subscriber equipment according to claim 13 is characterized in that,
Described receiver module specifically is used to receive the UE ID of base station by the interference UE of high-level signaling or physical layer control signaling.
15. a subscriber equipment is characterized in that, comprising:
Acquisition module is used to obtain the peculiar sign of the interference UE of distribution;
Generation module one is used to generate the initialization sequence of the dedicated pilot sequence of described interference UE, wherein, comprises the peculiar sign of described interference UE in the production of described initialization sequence;
Generation module two is used for generating the dedicated pilot sequence of disturbing UE according to described initialization sequence.
16. subscriber equipment according to claim 15 is characterized in that, described acquisition module comprises:
Receiver module is used to receive the control information indication that the base station sends, and described control information indication comprises that system is the sequence number of the dedicated pilot (channel) of UE distribution;
Described acquisition module specifically is used for being the dedicated pilot (channel) sequence number of other UE distribution except that self and the corresponding relation of system definition according to system, obtains the peculiar sign of interference UE; Wherein, the corresponding relation of described system definition is the mapping relations between described dedicated pilot (channel) sequence number and the peculiar sign of described UE.
17. a base station is characterized in that, comprising:
Sending module is used to send the UE ID that disturbs UE;
So that UE generates the initialization sequence of the dedicated pilot sequence of described interference UE according to described UE ID, and then make UE generate the dedicated pilot sequence of disturbing UE according to described initialization sequence;
Wherein, comprise described UE ID in the production of described initialization sequence.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910108521.8A CN101938296B (en) | 2009-06-29 | 2009-06-29 | Production method of pilot frequency sequence, user equipment and base station |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910108521.8A CN101938296B (en) | 2009-06-29 | 2009-06-29 | Production method of pilot frequency sequence, user equipment and base station |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101938296A true CN101938296A (en) | 2011-01-05 |
CN101938296B CN101938296B (en) | 2014-05-07 |
Family
ID=43391451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200910108521.8A Active CN101938296B (en) | 2009-06-29 | 2009-06-29 | Production method of pilot frequency sequence, user equipment and base station |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101938296B (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101998576A (en) * | 2009-08-13 | 2011-03-30 | 大唐移动通信设备有限公司 | Method and device for sending dedicated pilot using indication in advanced long-term evolution system |
CN102142918A (en) * | 2011-03-29 | 2011-08-03 | 电信科学技术研究院 | Method and equipment for processing pilot sequence |
CN102811107A (en) * | 2011-06-03 | 2012-12-05 | 华为技术有限公司 | Pilot-frequency sequence configuring method and network equipment |
WO2013166727A1 (en) * | 2012-05-11 | 2013-11-14 | 华为技术有限公司 | Method for generating pilot frequency sequence, user equipment and base station |
WO2014019194A1 (en) * | 2012-08-02 | 2014-02-06 | 华为技术有限公司 | Configuration method and sending method for pilot frequency, and device |
WO2015067200A1 (en) * | 2013-11-07 | 2015-05-14 | 华为技术有限公司 | Pilot frequency scheduling method for multiple-input-multiple-output system, and cooperative device |
CN107852730A (en) * | 2015-04-09 | 2018-03-27 | 华为技术有限公司 | Method and device, base station and the disturbed user equipment of transmission parameter information |
CN108347323A (en) * | 2017-01-25 | 2018-07-31 | 华为技术有限公司 | A kind of RS generates, method of reseptance and terminal, base station |
CN113574822A (en) * | 2019-03-13 | 2021-10-29 | 中兴通讯股份有限公司 | Multi-pilot reference signal |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1833387A (en) * | 2003-08-12 | 2006-09-13 | 松下电器产业株式会社 | Radio communication apparatus and pilot symbol transmission method |
WO2008086244A1 (en) * | 2007-01-05 | 2008-07-17 | Qualcomm Incorporated | Pilot transmission in a wireless communication system |
CN101352001A (en) * | 2005-10-27 | 2009-01-21 | 高通股份有限公司 | Method and apparatus of transmitting and receiving channel parameter attributes in wireless communication systems |
-
2009
- 2009-06-29 CN CN200910108521.8A patent/CN101938296B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1833387A (en) * | 2003-08-12 | 2006-09-13 | 松下电器产业株式会社 | Radio communication apparatus and pilot symbol transmission method |
CN101352001A (en) * | 2005-10-27 | 2009-01-21 | 高通股份有限公司 | Method and apparatus of transmitting and receiving channel parameter attributes in wireless communication systems |
WO2008086244A1 (en) * | 2007-01-05 | 2008-07-17 | Qualcomm Incorporated | Pilot transmission in a wireless communication system |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101998576B (en) * | 2009-08-13 | 2013-05-22 | 电信科学技术研究院 | Method and device for sending dedicated pilot using indication in advanced long-term evolution system |
CN101998576A (en) * | 2009-08-13 | 2011-03-30 | 大唐移动通信设备有限公司 | Method and device for sending dedicated pilot using indication in advanced long-term evolution system |
CN102142918A (en) * | 2011-03-29 | 2011-08-03 | 电信科学技术研究院 | Method and equipment for processing pilot sequence |
WO2012130148A1 (en) * | 2011-03-29 | 2012-10-04 | 电信科学技术研究院 | Pilot sequence processing method and equipment |
CN102142918B (en) * | 2011-03-29 | 2015-04-08 | 电信科学技术研究院 | Method and equipment for processing pilot sequence |
US10154421B2 (en) | 2011-06-03 | 2018-12-11 | Huawei Technologies Co., Ltd. | Reference signal sequence configuration method and network device |
WO2012163306A1 (en) * | 2011-06-03 | 2012-12-06 | 华为技术有限公司 | Pilot sequence configuration method and network device |
CN102811107B (en) * | 2011-06-03 | 2016-03-30 | 华为技术有限公司 | Pilot frequency sequence collocation method and the network equipment |
US9681312B2 (en) | 2011-06-03 | 2017-06-13 | Huawei Technologies Co., Ltd. | Reference signal sequence configuration method and network device |
US10863367B2 (en) | 2011-06-03 | 2020-12-08 | Huawei Technologies Co., Ltd. | Reference signal sequence configuration method and network device |
CN102811107A (en) * | 2011-06-03 | 2012-12-05 | 华为技术有限公司 | Pilot-frequency sequence configuring method and network equipment |
US10291371B2 (en) | 2012-05-11 | 2019-05-14 | Huawei Technologies Co., Ltd. | Method, user equipment, and base station for generating pilot sequence |
WO2013166727A1 (en) * | 2012-05-11 | 2013-11-14 | 华为技术有限公司 | Method for generating pilot frequency sequence, user equipment and base station |
WO2014019194A1 (en) * | 2012-08-02 | 2014-02-06 | 华为技术有限公司 | Configuration method and sending method for pilot frequency, and device |
CN103718526A (en) * | 2012-08-02 | 2014-04-09 | 华为技术有限公司 | Configuration method and sending method for pilot frequency, and device |
US10848282B2 (en) | 2012-08-02 | 2020-11-24 | Huawei Technologies Co., Ltd. | Method and apparatus for configuring and transmitting pilot |
US10256951B2 (en) | 2012-08-02 | 2019-04-09 | Huawei Technologies Co., Ltd. | Method and apparatus for configuring and transmitting pilot |
WO2015067200A1 (en) * | 2013-11-07 | 2015-05-14 | 华为技术有限公司 | Pilot frequency scheduling method for multiple-input-multiple-output system, and cooperative device |
CN107852730A (en) * | 2015-04-09 | 2018-03-27 | 华为技术有限公司 | Method and device, base station and the disturbed user equipment of transmission parameter information |
CN108347323A (en) * | 2017-01-25 | 2018-07-31 | 华为技术有限公司 | A kind of RS generates, method of reseptance and terminal, base station |
CN113574822A (en) * | 2019-03-13 | 2021-10-29 | 中兴通讯股份有限公司 | Multi-pilot reference signal |
US12132677B2 (en) | 2019-03-13 | 2024-10-29 | Zte Corporation | Multi-pilot reference signals |
Also Published As
Publication number | Publication date |
---|---|
CN101938296B (en) | 2014-05-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101938296B (en) | Production method of pilot frequency sequence, user equipment and base station | |
CN101931485B (en) | Method and device for generating dedicated reference signal (DRS) | |
US8804549B2 (en) | Method and apparatus for transmitting dedicated reference signal | |
CN102142918B (en) | Method and equipment for processing pilot sequence | |
US9867060B2 (en) | Radio communication system and antenna configuration determination method | |
CN102437986B (en) | Reference signal mapping method and device | |
CN102340379B (en) | CSI-RS (Channel Status Information-Reference Signal) transmission method and detection method, and devices of CSI-RS transmission method and detection method | |
CN102158449B (en) | Method, base station and terminal for generating reference signal | |
CN101820669B (en) | Method and device for allocating PDCCH resources | |
CN103782535A (en) | Methods and apparatuses for handling reference signals in cellular network | |
CN102378114B (en) | Transmitting method and device of channel status information reference signal and receiving method and device of channel status information reference signal | |
CN103944685A (en) | Method, equipment and communication system for extending reference signal | |
CN103812602A (en) | Method and equipment of blind test common search space and UE specific search space | |
CN102315870A (en) | Downlink control information (DCI) indication method and apparatus thereof | |
CN101795145A (en) | Sending method and system for measuring reference signals | |
EP3447956A1 (en) | Method and apparatus for transmitting reference signal | |
CN102237951A (en) | Cell eight-antenna port channel state information reference signal transmission method and device | |
CN102412889A (en) | Method for enhancing uplink sounding reference signal (SRS) | |
CN103716132A (en) | Downlink control information processing device and method | |
CN103843382A (en) | Method, base station and user equipment for transmitting broadcast message | |
CN108155923B (en) | Method and device used in UE (user equipment) and base station for multi-antenna transmission | |
CN106059733A (en) | Method for enhancing demodulation reference signal and related equipment | |
CN102291350A (en) | Channel measurement pilot transmitting method and device | |
CN106685503A (en) | Channel state measurement pilot CSI-RS configuration method and channel state measurement pilot CSI-RS configuration device | |
KR20210083267A (en) | Method and device, storage medium, and electronic device for handling interference |
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 |