CN106603212A - Indication and acquisition method of carrier information under multi-carrier aggregation - Google Patents
Indication and acquisition method of carrier information under multi-carrier aggregation Download PDFInfo
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- CN106603212A CN106603212A CN201510681323.6A CN201510681323A CN106603212A CN 106603212 A CN106603212 A CN 106603212A CN 201510681323 A CN201510681323 A CN 201510681323A CN 106603212 A CN106603212 A CN 106603212A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000004220 aggregation Methods 0.000 title abstract description 10
- 230000002776 aggregation Effects 0.000 title abstract description 10
- 230000011664 signaling Effects 0.000 claims abstract description 24
- 230000000379 polymerizing effect Effects 0.000 claims description 8
- 230000001174 ascending effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- 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
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
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Abstract
The invention provides an indication method of carrier information under multi-carrier aggregation. The method comprise the steps of: allocating a corresponding sCellIndex to each carrier according to a carrier condition of user equipment UE; indicating the sCellIndex by means of a high-level signaling message, and acquiring a carrier indication CI used for downlink control information in cross-carrier scheduling based on the sCellIndex; or indicating the sCellIndex and corresponding carrier group index information by means of the high-level signaling message, and acquiring the CI based on the sCellIndex and the corresponding carrier group index information; or indicating the sCellIndex, corresponding carrier group index information and carrier index information inside a carrier group by means of the high-level signaling message, and acquiring the CI based on the carrier index information inside the carrier group.
Description
Technical field
The present invention relates to the carrier information under radio communication, more particularly to multi-carrier polymerizing is indicated and preparation method.
Background technology
The R10 of LTE-A introduces multiple component carriers (CC, component carrier), and terminal can be simultaneously
Receiving data is transmitted on multiple CC, so as to reach the purpose for lifting bandwidth, the technology is referred to as many
Carrier aggregation technology, maximum can support 5 carrier aggregations.The carrier aggregation of LTE R11 introduces many TA (Timing
Advance, timing advance) and inter-band in support the descending sub-frame of uplink proportion techniques of difference TDD.
LTE R12 carrier aggregations introduce the carrier aggregation of TDD and FDD different systems.Newly set up the project in R13 at present
Enhanced carrier aggregation technology, discuss and maximum more than 5 carrier waves support 32 carrier aggregations.
In existing carrier aggregation, (sCellIndex) is indexed comprising Serving cell in high-level signaling connection reallocation message
The carrier indicator (CI, carrier wave is indicated) during physical layer cross-carrier scheduling in DCI can be directly corresponded to,
For carrier index in indication carrier wave polymerization, represented with 3bit and have 8 values, be because 3bit on the one hand can
Meet and support 5 carrier wave demands, the overhead bit in another aspect DCI is also less.CI can be used for cross-carrier
During scheduling, which carrier wave dispatched now in DCI indicated.CI is UE proprietary in carrier wave, same load
Ripple can adopt difference CI values for difference UE, be configured by high-rise sCellIndex.Refer to accompanying drawing 1.
When could support up 32 carrier wave, practically necessary carrier wave indicates that 32 can be reached, and one kind is directly
Method is to increase the number of bits of CI can meet needs for 5bit, but can increase configured information, affect
The design of former DCI.And when the variable number of UE actual disposition is less than 8, using the CI of 3bit
Can meet.Then determine that CI still adopts 3bit in 3GPP meetings, when variable number is more than 8, can
Carrier wave is grouped, every group of variable number is less than or equal to 8, and cross-carrier scheduling is only completed in carrier wave set.But
It is how to realize packet, and how determines that the CI values in carrier wave set also do not pass through.
The content of the invention
For the problems referred to above, the present invention proposes the carrier information indicating means under a kind of multi-carrier polymerizing, including：
Distribute corresponding sCellIndex for each carrier wave according to the carrier case of user equipment (UE)；
The sCellIndex is indicated by high-level signaling message, is drawn for across load by the sCellIndex
The carrier wave of Downlink Control Information indicates CI in ripple scheduling；Or,
The sCellIndex and correspondence carrier wave set index information are indicated by high-level signaling message, by described
SCellIndex and correspondence carrier wave set index information are drawn for the carrier wave of Downlink Control Information in cross-carrier scheduling
Indicate CI；Or,
The sCellIndex, corresponding carrier wave set index information and carrier wave set are indicated by high-level signaling message
Intercarrier index information；Drawn for descending control in cross-carrier scheduling by the carrier wave set intercarrier index information
The carrier wave of information processed indicates CI.
Further, it is described to be drawn for Downlink Control Information in cross-carrier scheduling by the sCellIndex
Carrier wave indicates that CI includes：The corresponding carrier wave group index letter of cross-carrier scheduling is obtained by the sCellIndex
Breath and carrier wave set intercarrier index information, the carrier wave set intercarrier index information is for CI instructions.
Further, the corresponding carrier wave group index of the cross-carrier scheduling obtained by the sCellIndex
Information and carrier wave set intercarrier index are obtained according to equation below：
Carrier wave set index information：
Carrier wave set intercarrier is indexed：SCellIndex_CI=sCellIndexmodM
Wherein, M is the variable number for cross-carrier scheduling.
Further, it is described to be drawn for cross-carrier by the sCellIndex and correspondence carrier wave set index information
The carrier wave of Downlink Control Information indicates that CI includes in scheduling：By the sCellIndex and correspondence carrier wave set rope
Fuse breath obtains corresponding carrier wave set intercarrier index information, and the carrier wave set intercarrier is indexed and referred to for CI
Show.
Further, it is described that corresponding carrier wave is obtained by the sCellIndex and correspondence carrier wave set index information
Group intercarrier index information is specifically included：For described each carrier wave in its affiliated carrier wave set according to described
SCellIndex is ranked up, and the ascending sort of the sCellIndex is indexed as the carrier wave set intercarrier
Information.
Conceived according to identical, the present invention also proposes the carrier information acquisition methods under a kind of multi-carrier polymerizing,
Including：
It is each carrier wave point to obtain network side according to the carrier case of user equipment (UE) by high-level signaling message
The sCellIndex for matching somebody with somebody, show that the carrier wave of cross-carrier dispatching downlink control information is indicated by the sCellIndex
CI；Or,
It is each carrier wave point to obtain network side according to the carrier case of user equipment (UE) by high-level signaling message
The sCellIndex for matching somebody with somebody and correspondence carrier wave set index information, by the sCellIndex and correspondence carrier wave group index
Information show that the carrier wave of cross-carrier dispatching downlink control information indicates CI；Or,
It is each carrier wave point to obtain network side according to the carrier case of user equipment (UE) by high-level signaling message
SCellIndex, corresponding carrier wave set index information and the carrier wave set intercarrier index information matched somebody with somebody；By the load
Ripple group intercarrier index information obtains the carrier wave of Downlink Control Information in cross-carrier scheduling and indicates CI.
Further, the carrier wave that Downlink Control Information in cross-carrier scheduling is drawn by the sCellIndex
Indicate that CI includes：By the sCellIndex obtain cross-carrier scheduling corresponding carrier wave set index information and
Carrier wave set intercarrier index information, the carrier wave set intercarrier index information is the CI.
Further, the corresponding carrier wave group index of the cross-carrier scheduling obtained by the sCellIndex
Information and carrier wave set intercarrier index are obtained according to equation below：
Carrier wave set index information：
Carrier wave set intercarrier is indexed：SCellIndex_CI=sCellIndexmodM
Wherein, M is the variable number for cross-carrier scheduling.
Further, it is described that cross-carrier scheduling is drawn by the sCellIndex and correspondence carrier wave set index information
The carrier wave of middle Downlink Control Information indicates that CI includes：By the sCellIndex and correspondence carrier wave group index letter
Breath obtains corresponding carrier wave set intercarrier index information, and the carrier wave set intercarrier index is the CI.
Further, it is described that corresponding carrier wave is obtained by the sCellIndex and correspondence carrier wave set index information
Group intercarrier index information is specifically included：For described each carrier wave in its affiliated carrier wave set according to described
SCellIndex is ranked up, and the ascending sort of the sCellIndex is indexed as the carrier wave set intercarrier
Information.
The present invention proposes that when more variable number is configured carrier wave is grouped and organizes the method that intercarrier is indicated, energy
Enough former CI bits indicate the cross-carrier scheduling of more multicarrier.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to implementing
Example or the accompanying drawing to be used needed for description of the prior art are briefly described.
Fig. 1 is that carrier wave of the prior art indicates to process block diagram；
Fig. 2 is that the carrier wave that the embodiment of the present invention 1 is proposed indicates to process block diagram；
Fig. 3 is that the carrier wave that the embodiment of the present invention 2 is proposed indicates to process block diagram；
Fig. 4 is that the carrier wave that the embodiment of the present invention 3 is proposed indicates to process block diagram.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the present invention
Accompanying drawing in embodiment, is clearly and completely described to the technical scheme in the embodiment of the present invention.
One embodiment of the present of invention proposes the carrier indication method under a kind of multi-carrier polymerizing, including：
Distribute corresponding sCellIndex for each carrier wave according to the carrier case of user equipment (UE)；
The sCellIndex is indicated by high-level signaling message, is drawn for across load by the sCellIndex
The carrier wave of Downlink Control Information indicates CI in ripple scheduling；Or, being indicated by high-level signaling message described
SCellIndex and correspondence carrier wave set index information, by the sCellIndex and correspondence carrier wave set index information
Show that the carrier wave for Downlink Control Information in cross-carrier scheduling indicates CI；Or, being referred to by high-level signaling message
Show the sCellIndex, corresponding carrier wave set index information and carrier wave set intercarrier index information；By described
Carrier wave set intercarrier index information show that the carrier wave for Downlink Control Information in cross-carrier scheduling indicates CI.
In one alternate embodiment, drawn for descending control in cross-carrier scheduling by the sCellIndex
The carrier wave of information indicates that CI includes：The corresponding carrier wave set of cross-carrier scheduling is obtained by the sCellIndex
Index information and carrier wave set intercarrier index information, the carrier wave set intercarrier index information is for CI instructions.
In one alternate embodiment, the corresponding carrier wave of the cross-carrier scheduling for being obtained by the sCellIndex
Group index information and carrier wave set intercarrier index are obtained according to equation below：
Carrier wave set index information：
Carrier wave set intercarrier is indexed：SCellIndex_CI=sCellIndexmodM
Wherein, M is the variable number for cross-carrier scheduling.
In one alternate embodiment, by the sCellIndex and correspondence carrier wave set index information draw for
The carrier wave of Downlink Control Information indicates that CI includes in cross-carrier scheduling：By the sCellIndex and correspondence load
Ripple group index information obtains corresponding carrier wave set intercarrier index information, and the carrier wave set intercarrier is indexed and is used for
CI is indicated.
In one alternate embodiment, correspondence is obtained by the sCellIndex and correspondence carrier wave set index information
Carrier wave set intercarrier index information specifically include：For described each carrier wave in its affiliated carrier wave set according to
The sCellIndex is ranked up, and the ascending sort of the sCellIndex is used as the carrier wave set intercarrier
Index information.
The carrier information acquisition methods under a kind of multi-carrier polymerizing are also proposed in an alternative embodiment of the invention,
Including：
It is each carrier wave point to obtain network side according to the carrier case of user equipment (UE) by high-level signaling message
The sCellIndex for matching somebody with somebody, show that the carrier wave of cross-carrier dispatching downlink control information is indicated by the sCellIndex
CI；Or, it is each load to obtain network side according to the carrier case of user equipment (UE) by high-level signaling message
SCellIndex and correspondence carrier wave set index information that wavelength-division is matched somebody with somebody, by the sCellIndex and correspondence carrier wave set
Index information show that the carrier wave of cross-carrier dispatching downlink control information indicates CI；Or, passing through high-level signaling message
Network side is obtained according to the sCellIndex, correspondence that the carrier case of user equipment (UE) is each carrier wave distribution
Carrier wave set index information and carrier wave set intercarrier index information；Obtained by the carrier wave set intercarrier index information
The carrier wave of Downlink Control Information indicates CI in cross-carrier scheduling.
In one alternate embodiment, Downlink Control Information in cross-carrier scheduling is drawn by the sCellIndex
Carrier wave indicate CI include：The corresponding carrier wave group index of cross-carrier scheduling is obtained by the sCellIndex
Information and carrier wave set intercarrier index information, the carrier wave set intercarrier index information is the CI.
In one alternate embodiment, the corresponding carrier wave of the cross-carrier scheduling for being obtained by the sCellIndex
Group index information and carrier wave set intercarrier index are obtained according to equation below：
Carrier wave set index information：
Carrier wave set intercarrier is indexed：SCellIndex_CI=sCellIndexmodM
Wherein, M is the variable number for cross-carrier scheduling.
In one alternate embodiment, cross-carrier tune is drawn by sCellIndex and correspondence carrier wave set index information
The carrier wave of Downlink Control Information indicates that CI includes in degree：By the sCellIndex and correspondence carrier wave group index
Information obtains corresponding carrier wave set intercarrier index information, and the carrier wave set intercarrier index is the CI.
In one alternate embodiment, correspondence is obtained by the sCellIndex and correspondence carrier wave set index information
Carrier wave set intercarrier index information specifically include：For described each carrier wave in its affiliated carrier wave set according to
The sCellIndex is ranked up, and the ascending sort of the sCellIndex is used as the carrier wave set intercarrier
Index information.
The present invention proposes that when more variable number is configured carrier wave is grouped and organizes the method that intercarrier is indicated, energy
Enough former CI bits indicate the cross-carrier scheduling of more multicarrier.
Embodiment 1
Refer to accompanying drawing 2.Indicate that thus this carrier wave sCellIndex, UE carry in UE connection reallocation messages
The carrier wave that the sCellIndex implicit expression of ripple is obtained in the carrier wave set that this carrier wave belongs to, and little district's groups is indicated.Connection
Reallocation message does not additionally increase information, and existing sCellIndex remains as the carrier index of this UE, carrier wave
Index is obtained by sCellIndex in group index and carrier wave set.
Carrier wave group index：
Carrier wave set intercarrier is indexed：SCellIndex_CI=sCellIndexmodM
Wherein M is integer, you can for the variable number of cross-carrier scheduling, such as M=8.
Carrier wave in this enforcement, belonging to by when high layer information sCellIndex obtains certain carrier wave in cross-carrier scheduling
Group index and carrier wave set intercarrier are indexed.Carrier wave set intercarrier is indexed corresponding to the CI in physical layer DCI.
Embodiment 2
Refer to accompanying drawing 3.The carrier wave set that this carrier wave belongs to is indicated in UE connection reallocation messages, implicit expression is obtained
The carrier wave obtained in little district's groups is indicated.Increase a carrier wave group index in connection reallocation message, it is existing
SCellIndex remains as index in the carrier index of this UE, carrier wave set and is obtained by sCellIndex and carrier index
Arrive.High level configures a sCellIndex to certain carrier wave, and configures the carrier wave group index belonging to, and UE leads to
Crossing the two parameters can obtain carrier wave set intercarrier index, and CI during scheduling cross-carrier for physical layer is indicated.
UE presses sCellIndex internal sorts for each carrier wave in its carrier wave set, is arranged as by sCellIndex ascending orders
Carrier wave set intercarrier is indexed.
In the present embodiment, an information is newly increased in high-level signaling：Carrier wave group index.By sCellIndex
With carrier wave group index, UE can directly obtain carrier wave set intercarrier index.
Embodiment 3
Refer to accompanying drawing 4.The carrier wave set that this carrier wave belongs to, Yi Ji are indicated in UE connection reallocation messages
Carrier wave in carrier wave set is indicated.Increase index in a carrier wave group index and carrier wave set in connection reallocation message.
Existing sCellIndex remains as the carrier index of this UE.
In the present embodiment, two information are newly increased in high-level signaling：Carrier wave group index and carrier wave set intercarrier
Index.
The various embodiments described above can support the channel condition information of PUCCH more multicarriers to support to realize more overloading
Ripple is polymerized.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of said method embodiment can
To be completed by the related hardware of programmed instruction, aforesaid program can be stored in an embodied on computer readable and deposit
In storage media, the program upon execution, performs the step of including said method embodiment；And aforesaid storage
Medium includes：ROM, RAM, magnetic disc or CD etc. are various can be with the medium of store program codes.
Finally it should be noted that：Above example is only illustrating technical scheme, rather than it is limited
System；Although being described in detail to the present invention with reference to the foregoing embodiments, one of ordinary skill in the art
It should be understood that：It still can modify to the technical scheme described in foregoing embodiments, or to it
Middle some technical characteristics carry out equivalent；And these modifications or replacement, do not make appropriate technical solution
Essence departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the method that the carrier information under a kind of multi-carrier polymerizing is indicated, it is characterised in that include：
Distribute corresponding sCellIndex for each carrier wave according to the carrier case of user equipment (UE)；
The sCellIndex is indicated by high-level signaling message, is drawn for across load by the sCellIndex
The carrier wave of Downlink Control Information indicates CI in ripple scheduling；Or,
The sCellIndex and correspondence carrier wave set index information are indicated by high-level signaling message, by described
SCellIndex and correspondence carrier wave set index information are drawn for the carrier wave of Downlink Control Information in cross-carrier scheduling
Indicate CI；Or,
The sCellIndex, corresponding carrier wave set index information and carrier wave set are indicated by high-level signaling message
Intercarrier index information；Drawn for descending control in cross-carrier scheduling by the carrier wave set intercarrier index information
The carrier wave of information processed indicates CI.
2. method according to claim 1, it is characterised in that described to be obtained by the sCellIndex
Go out in cross-carrier scheduling Downlink Control Information carrier wave indicate CI include：Obtained by the sCellIndex
To the corresponding carrier wave set index information and carrier wave set intercarrier index information of cross-carrier scheduling, the carrier wave set
Intercarrier index information is for CI instructions.
3. method according to claim 2, it is characterised in that described to be obtained by the sCellIndex
The corresponding carrier wave set index information of the cross-carrier scheduling arrived and carrier wave set intercarrier are indexed according to equation below
Obtain：
Carrier wave set index information：
Carrier wave set intercarrier is indexed：SCellIndex_CI=sCellIndexmodM
Wherein, M is the variable number for cross-carrier scheduling.
4. method according to claim 1, it is characterised in that it is described by the sCellIndex and
Correspondence carrier wave set index information show that the carrier wave for Downlink Control Information in cross-carrier scheduling indicates that CI includes：
Corresponding carrier wave set intercarrier index information is obtained by the sCellIndex and correspondence carrier wave set index information,
The carrier wave set intercarrier is indexed for CI instructions.
5. method according to claim 4, it is characterised in that it is described by the sCellIndex and
Correspondence carrier wave set index information obtains corresponding carrier wave set intercarrier index information and specifically includes：For described every
Individual carrier wave is ranked up in its affiliated carrier wave set according to the sCellIndex, the liter of the sCellIndex
Sequence sorts as the carrier wave set intercarrier index information.
6. acquisition methods of the carrier information under a kind of multi-carrier polymerizing, it is characterised in that include：
It is each carrier wave point to obtain network side according to the carrier case of user equipment (UE) by high-level signaling message
The sCellIndex for matching somebody with somebody, show that the carrier wave of cross-carrier dispatching downlink control information is indicated by the sCellIndex
CI；Or,
It is each carrier wave point to obtain network side according to the carrier case of user equipment (UE) by high-level signaling message
The sCellIndex for matching somebody with somebody and correspondence carrier wave set index information, by the sCellIndex and correspondence carrier wave group index
Information show that the carrier wave of cross-carrier dispatching downlink control information indicates CI；Or,
It is each carrier wave point to obtain network side according to the carrier case of user equipment (UE) by high-level signaling message
SCellIndex, corresponding carrier wave set index information and the carrier wave set intercarrier index information matched somebody with somebody；By the load
Ripple group intercarrier index information obtains the carrier wave of Downlink Control Information in cross-carrier scheduling and indicates CI.
7. method according to claim 6, it is characterised in that described to be obtained by the sCellIndex
The carrier wave for going out Downlink Control Information in cross-carrier scheduling indicates that CI includes：By the sCellIndex obtain across
The corresponding carrier wave set index information and carrier wave set intercarrier index information of carrier wave scheduling, the carrier wave set is contained
Ripple index information is the CI.
8. method according to claim 7, it is characterised in that described to be obtained by the sCellIndex
The corresponding carrier wave set index information of the cross-carrier scheduling arrived and carrier wave set intercarrier are indexed according to equation below
Obtain：
Carrier wave set index information：
Carrier wave set intercarrier is indexed：SCellIndex_CI=sCellIndexmodM
Wherein, M is the variable number for cross-carrier scheduling.
9. method according to claim 6, it is characterised in that it is described by the sCellIndex and
Correspondence carrier wave set index information show that the carrier wave of Downlink Control Information in cross-carrier scheduling indicates that CI includes：By
The sCellIndex and correspondence carrier wave set index information obtain corresponding carrier wave set intercarrier index information, institute
It is the CI to state carrier wave set intercarrier index.
10. method according to claim 9, it is characterised in that it is described by the sCellIndex and
Correspondence carrier wave set index information obtains corresponding carrier wave set intercarrier index information and specifically includes：For described every
Individual carrier wave is ranked up in its affiliated carrier wave set according to the sCellIndex, the liter of the sCellIndex
Sequence sorts as the carrier wave set intercarrier index information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510681323.6A CN106603212A (en) | 2015-10-20 | 2015-10-20 | Indication and acquisition method of carrier information under multi-carrier aggregation |
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| CN201510681323.6A CN106603212A (en) | 2015-10-20 | 2015-10-20 | Indication and acquisition method of carrier information under multi-carrier aggregation |
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2015
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| CN103210679A (en) * | 2010-09-03 | 2013-07-17 | Lg电子株式会社 | Apparatus and method for performing scanning of assigned secondary carrier in wireless access system |
| US20140079032A1 (en) * | 2011-10-07 | 2014-03-20 | Telefonaktiebolaget L M Ericsson (Publ) | Uplink Synchronization Method and User Equipment |
| CN104823261A (en) * | 2013-01-21 | 2015-08-05 | Lg电子株式会社 | Method and terminal of transmitting uplink signal with fewer transmission resource blocks to prevent lowering in reference sensitivity in intra-band non-contiguous uplink carrier aggregation |
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