CN102684822B - A kind of dual-band carrier combination processing method and system - Google Patents
A kind of dual-band carrier combination processing method and system Download PDFInfo
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- CN102684822B CN102684822B CN201110063835.8A CN201110063835A CN102684822B CN 102684822 B CN102684822 B CN 102684822B CN 201110063835 A CN201110063835 A CN 201110063835A CN 102684822 B CN102684822 B CN 102684822B
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Abstract
The invention discloses a kind of dual-band carrier combination processing method and system, carrier combination extension can be set up under the existing carrier combinations of 4C HSDPA, the new carrier wave brought to express 8C is combined；New carrier combination sequence is introduced in the mode for supporting variable number incremental in frequency range A, carrier combination extension is introduced further according to the carrier combination sequence newly introduced, the new carrier wave brought with expressing 8C is combined；UE and network side carry out corresponding encoding and decoding processing according to the carrier combination sequence newly introduced.Dual-band carrier combination treatment technology of the present invention provides the methods that its dual-band carrier combination information is transmitted in a kind of 4C HSDPA expression that compatible can be currently existed, and the ability that network can be made to know the maximum downstream variable number of each self-supporting under specific carrier combinations of the UE in the combination of some two-band supported, i.e. frequency range A and B two-band joint operations with less signaling bit expenses.
Description
Technical field
The present invention relates to the communications field, and in particular to a kind of dual-band carrier combination processing method and system.
Background technology
In WCDMA (WCDMA, Wideband Code Division Multiple Access) network, lead to
Include wireless network with land radio access web (UTRAN, Universal Terrestrial Radio Access Network)
Network controller (RNC, Radio Network Controller) and base station (NodeB) two kinds of basic network elements, as shown in Figure 1.
With the development of WCDMA networks, high-speed slender body theory (HSDPA, High SpeedDownlink Packet
Access), High Speed Uplink Packet access (HSUPA, High Speed UplinkPacket Access), double small area high speed
Downlink grouped access (DC-HSDPA, Dual Cell-High speeddownlink packet access), two-band double small
Area's high-speed slender body theory (DB-DC-HSDPA, Dual band-Dual cell-high speed downlink packet
Access), double small area high speed uplink packet access (DC-HSUPA, Dual Cell-high speed uplink packet
Access), four carrier wave high-speed slender body theories (4C-HSDPA, Four carrier-high speed downlink
Packet access), eight carrier wave high-speed slender body theories (8C-HSDPA, Eight carrier-high speed
Downlink packet access) etc. technology be introduced into successively so that UE data transmission rate is continuously available raising.As
One of premise of these technologies is realized, UE needs to support more frequency ranges and frequency range to combine.In the one-segment of support, UE needs
Support broader bandwidth；In the two-band of support, UE needs to support more dual-band carrier combinations.Wherein, two-band is used
(A, B) is expressed, and for example (2,1) represent A=2, B=1.Frequency range that UE is supported itself by suitable signaling, frequency range combination and
The information such as carrier combination are sent to network side；Network side is only had correctly received after these information, could be that UE distribution is suitable
Radio Resource, make rational configuration.
At present, 3GPP agreements imperfectly specification DC-HSDPA, DB-DC-HSDPA and DC-HSUPA, 4C-HSDPA
Under this several multi-transceiver technology, UE transmits the mode of the frequency range, bandwidth and dual-band carrier combination information of its support.But for
How the two-band multi-transceiver technology of the follow-up more higher-dimensions of 4C-HSDPA, and UE transmit the dual-band carrier combination information of its support
Methods, also without specification.
Possess the UE of 4C-HSDPA abilities, maximum 4 descending carriers can be supported under a frequency range or two-band, but not
Representing UE needs all to support 4 descending carriers in all frequency ranges or the frequency range combination of its support.Such as certain UE supports 4C-
HSDPA, in the case of one-segment I, can configure maximum downstream carrier number is 4, but in the case where two-band I and VIII are combined,
4 descending carriers can not all be respectively configured in frequency range I and VIII, now according to the distinctive dual-band carrier combinations of UE itself
Ability, the maximum downstream carrier number that may be configured in frequency range I is 2, and the maximum downstream carrier number configured in frequency range VIII is
2, that is, support the dual-band carrier combination of (2+2).If network can not learn that UE is each propped up in frequency range combination I and VIII in advance
The maximum downstream variable number held, to UE configure resource when, to be on the safe side, can only to UE in frequency range I and VIII all
4 descending carriers are configured, this will cause the wasting of resources；Otherwise, may be because resource distribution be not enough from causing multi-carrier operation to be built
Vertical failure.If network can learn maximum downstream variable numbers of the UE in each self-supporting of frequency range I and VIII in advance, configured to UE
During resource, 2 descending carriers can be just respectively configured in frequency range I and VIII exactly, the two-band for complying fully with UE supports is more
Carrier combination ability.
At present, 3GPP agreements define the dual-band carrier combination information of its support of the UE expression transmission of 4C-HSDPA abilities
Mode：In ascending wireless resource control (RRC, Radio ResourceControl) related news that UE is reported, in cell
UE Radio Access Capability (UE wireless access capabilities) sub- cell Radio Access Capability
Band Combination List (wireless access capability frequency range Assembly Listing) sub- cell Supported Carrier
In Combination List (the carrier combination list of support), 5 Boolean types are increased in bitmap (bits match) form
Instruction, as shown in table 1：
Table 1
For the UE with 4C-HSDPA abilities, its carrier combination that can be supported in the combination of certain two-band may
There are (1+1), (3+1), (2+1), (2+2), (1+2) and (1+3) this 6 kinds of situations.So in the sub- cells of Band Combination
Under, this several combination is listed one by one in Boolean variable form entirely：If UE supports certain to combine, corresponding Boolean variable is with regard to value
True, otherwise false.The mode for the dual-band carrier combination information that this expression transmission UE is supported has the following disadvantages：
1：It is not optimal methods from the point of view of above-mentioned signaling bit expense, information redundancy angle.Such as：If
UE supports the combination of (3+1) in the combination of certain two-band, then is arranged according to existing protocol, must also support the combination of (2+1)；
Similarly, when UE supports (1+3) combination in the combination of certain two-band, (1+2) must be also supported to combine.
2：From the point of view of the following forward direction extension operated for more higher-dimension dual-band carrier combination, the redundancy brought will be with finger
Number scale increase.Such as possessing the UE of 8C-HSDPA abilities, if using its support of above-mentioned bitmap forms expression transmission
Dual-band carrier combination ability, in addition it is also necessary to extra 28bits goes covering 8C all possible carrier combinations such as：(1+7), (2+
6), (3+3), (5+2) ....
The content of the invention
In view of this, it is a primary object of the present invention to provide a kind of dual-band carrier combination processing method and system, energy
It is enough network side is known specific carrier combinations of the UE in the two-band combination of support with less signaling bit expenses.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of dual-band carrier combination processing method, this method includes：
Carrier combination extension is set up under the four existing carrier combinations of carrier wave high-speed slender body theory 4C-HSDPA, with table
The new carrier wave combination brought up to eight carrier wave 8C；New carrier combination sequence is introduced in the mode for supporting variable number incremental in frequency range A
Row, carrier combination extension is introduced further according to the carrier combination sequence newly introduced, and the new carrier wave brought with expressing 8C is combined；
UE and network side carry out corresponding encoding and decoding processing according to the carrier combination sequence newly introduced.
It is described set up under the existing carrier combinations of 4C-HSDPA carrier combination extension method be：
In part, the existing Carrier Combination carrier combinations (2,2) of 4C-HSDPA, new son is set up under (3,1)
Cell：Carrier combination is extended, and the new carrier wave brought with expressing 8C is combined.
The mode for supporting variable number incremental in the A with frequency range introduces new carrier combination sequence, further according to new introducing
Carrier combination sequence introduce carrier combination extension method be：
To support the incremental mode of variable number to introduce new carrier combination (4,1) in frequency range A, (5,1), (6,1), (7,
1), further according to each carrier combination particular situation newly introduced, the sub- cell carrier combination extension of subordinate is introduced.
The process for the coded treatment that UE is carried out includes：
UE determines supported carrier combination and each carrier combination subordinate according to itself dual-band carrier combination ability
Carrier combination extension value, then using and the predefined coding rule of network side encoded, then pass through Radio Resource control
The coding of above-mentioned UE dual-band carrier combinations ability is sent to network side by RRC upstream messages processed.
The process that network side carries out the decoding process includes：
Network is received after the coding of the UE dual-band carrier combinations ability, is solved according to predefined coding rule
Code, so as to learn UE dual-band carrier combination abilities.
A kind of dual-band carrier combination processing system, the system includes carrier combination extension maintenance unit, encoding and decoding processing
Unit；Wherein,
The carrier combination extends maintenance unit, expands for setting up carrier combination under the existing carrier combinations of 4C-HSDPA
Exhibition, the new carrier wave brought with expressing 8C is combined；And, new carrier wave is introduced in the mode for supporting variable number incremental in frequency range A
Composite sequence, carrier combination extension is introduced further according to the carrier combination sequence newly introduced, and the new carrier wave brought with expressing 8C is combined；
The encoding and decoding processing unit, for triggering UE and network side according to the carrier combination sequence progress phase newly introduced
Encoding and decoding are answered to handle.
When the carrier combination extension maintenance unit sets up carrier combination extension under the existing carrier combinations of 4C-HSDPA,
Specifically for：
In part, the existing Carrier Combination carrier combinations (2,2) of 4C-HSDPA, new son is set up under (3,1)
Cell：Carrier combination is extended, and the new carrier wave brought with expressing 8C is combined.
The carrier combination extension maintenance unit introduces new carrier wave set in the mode for supporting variable number incremental in frequency range A
Sequence is closed, when introducing carrier combination extension further according to the carrier combination sequence newly introduced, specifically for：
To support the incremental mode of variable number to introduce new carrier combination (4,1) in frequency range A, (5,1), (6,1), (7,
1), further according to each carrier combination particular situation newly introduced, the sub- cell carrier combination extension of subordinate is introduced.
The encoding and decoding processing unit includes coding processing unit, and following coded treatment is carried out specifically for triggering UE：
UE determines supported carrier combination and each carrier combination subordinate according to itself dual-band carrier combination ability
Carrier combination extension value, then using and the predefined coding rule of network side encoded, then pass through RRC upstream messages
The coding of above-mentioned UE dual-band carrier combinations ability is sent to network side.
The encoding and decoding processing unit includes codec processing unit, is carried out specifically for triggering network side at following decoding
Reason：
Network is received after the coding of the UE dual-band carrier combinations ability, is solved according to predefined coding rule
Code, so as to learn UE dual-band carrier combination abilities.
Dual-band carrier combination treatment technology of the present invention provides a kind of 4C-HSDPA tables that compatible can be currently existed
Up to the methods of its dual-band carrier combination information of transmission, and with less signaling bit expenses network can be made to know UE
Each self-supporting is most under specific carrier combination in two-band combination of some support, i.e. frequency range A and B two-band joint operations
The ability of big descending carrier number.
Brief description of the drawings
Fig. 1 is existing UTRAN network architecture schematic diagrams；
Fig. 2 is the dual-band carrier combination handling process sketch of the embodiment of the present invention；
Fig. 3 is the dual-band carrier combination processing system figure of the embodiment of the present invention.
Embodiment
The present invention can be proceeded as follows on the basis of the cell design of expression in retaining table 1 above：
Initialization：The existing Carrier Combination carrier combinations (2,2) of 4C-HSDPA in part, increase under (3,1)
If new sub- cell：Carrier Combination extension (carrier combination extension), to express the new carrier wave group that 8C is brought
Close.Further, to support the incremental mode of variable number to introduce new carrier combination (4,1) in frequency range A, (5,1), (6,1),
(7,1), further according to each carrier combination particular situation newly introduced, introduce the sub- cell carrier combination extension of subordinate, to express
The new carrier wave combination that 8C is brought.
Step 1：UE determines supported carrier combination and each carrier wave set according to itself dual-band carrier combination ability
The value of the carrier combination extension of subordinate is closed, is then encoded using with the predefined coding rule of network side.
Step 2：UE by RRC upstream messages by the coding of above-mentioned UE dual-band carrier combinations ability, with bitstring
The form of (Bit String) is sent to network side.The RRC upstream messages are such as：RRCConnection Setup Complete(RRC
Connection, which is set up, to be completed) or the message such as UE CapabilityInformation (UE ability informations).
Step 3：Network is received after the bitstring, is decoded according to predefined coding rule before, so as to obtain
Know UE dual-band carrier combination abilities.
Illustrate the methods of the present invention below by specific embodiment：
Embodiment 1：As shown in table 2, this table defines a kind of UE and network side expresses the mode of 8C carrier combination abilities.
Initialization：Newly-increased sub- cell carrier combination expands to option, and value is to enumerate accordingly in scope in table 2
One value.The implication of each specific value is illustrated below：
Carrier combination extension under carrier combination (1,3)：
If it does not, representing that maximum can be supported to arrive (1,3)；
Value 1 represents that maximum can be supported to arrive (Isosorbide-5-Nitrae)；
Value 2 represents that maximum can be supported to arrive (1,5)；
Value 3 represents that maximum can be supported to arrive (1,6)；
Value 4 represents that maximum can be supported to arrive (1,7).
Table 2
Because the cell of optional class needs to be notified the existence of itself to network with 1bit, add expression enumerated value (1,
2,3,4), it is necessary to be encoded with 2bits, such as：UE and network side set in advance enumerate value just according to+1 skew 2 scale codings enter
OK：(1,2,3,4) corresponds to 00,01,10,11 respectively.It is final to be extended to express the following carrier combinations of UE carrier combinations (1,3),
Need to expend 3bits.Similarly, in table 2, in order to express the following carrier combination extensions of UE carrier combinations (3,1), need to expend again
3bits；In order to express the following carrier combination extensions of UE carrier combinations (2,2), need to expend 3bits again；In order to express UE carrier waves
(4,1) and its extension of following carrier combinations are combined, needs to expend 1+2=3bits again；In order to express UE carrier combinations (5,1) and
Its following carrier combination extension, needs to expend 1+2=3bits again；In order to express UE carrier combinations (6,1) and its following carrier wave sets
Extension is closed, needs to expend 1+1=2bits again；Finally in order to express UE carrier combinations (7,1), need to expend 1bits again.So,
For expressed intact 8C in two-band effective carrier combination, need altogether increase 3+3+3+1+2+1+2+1+1+1=18bits.Plus
23bits is needed altogether in upper original 5bits, each frequency range combination.
Step 1：UE determines supported carrier combination and each carrier wave set according to itself dual-band carrier combination ability
The value of the carrier combination extension of subordinate is closed, according to above-mentioned coded system, 18+5=23bits bitstring is encoded into.
Step 2：UE is corresponding by above-mentioned UE dual-band carrier combinations capability code by RRC connection setup complete messages
Bitstring is sent to network.
Step 3：Network is received after the bitstring, is decoded according to predefined coding rule in table 2 before,
So as to learn UE dual-band carrier combination abilities.
The advantage of above-mentioned expression dual-band carrier combination methods is：Clear logic, coding and decoding is convenient, and subsequently
Autgmentability is strong.
Embodiment 2：As shown in table 3, newly-increased sub- cell carrier combination expands to essential option, and value is corresponding in table 3
Enumerate a value in scope.The implication of each specific value is illustrated below：
Carrier combination extension under carrier combination (1,3)：
Value 0 represents that maximum can be supported to arrive (1,3)；
Value 1 represents that maximum can be supported to arrive (Isosorbide-5-Nitrae)；
Value 2 represents that maximum can be supported to arrive (1,5)；
Value 3 represents that maximum can be supported to arrive (1,6)；
Value 4 represents that maximum can be supported to arrive (1,7).
Table 3
Because the cell of essential class need not be added with any bit by its existence (being bound to exist) notice network side
Enumerated value (0,1,2,3,4) is expressed, it is necessary to be encoded with 3bits, such as：UE and network side are set in advance enumerates value just according to normal
2 scale codings：(0,1,2,3,4) corresponds to 000,001,010,011,100 respectively.Final this consumes 3bits, with this
Analogize, for expressed intact 8C in two-band effective carrier combination, need altogether increase 3+3+3+1+2+1+2+1+1+1=
18bits.Plus original 5bits, 23bits is needed altogether in each frequency range combination.When network side receives this 23bits compositions
During Bit String, it is easy to decoded in the way of appointing before, so as to learn the UE with 8C abilities in specified double frequency
Effective carrier combination in section.
Visible with reference to above example, the operation thinking of dual-band carrier combination processing of the present invention can be represented such as Fig. 2 institutes
The flow shown, the flow comprises the following steps：
Step 210：Carrier combination extension is set up under the existing carrier combinations of 4C-HSDPA, to express the new load that 8C is brought
Ripple is combined；New carrier combination sequence is introduced in the mode for supporting variable number incremental in frequency range A, further according to the carrier wave newly introduced
Composite sequence introduces carrier combination extension, and the new carrier wave brought with expressing 8C is combined.
Step 220：UE and network side carry out corresponding encoding and decoding processing according to the carrier combination sequence newly introduced.
In order to ensure that above-described embodiment and operation thinking can be realized smoothly, setting as shown in Figure 3 can be carried out.Ginseng
It is the dual-band carrier combination processing system figure of the embodiment of the present invention to see Fig. 3, Fig. 3, and the system includes connected carrier combination and expanded
Open up maintenance unit, encoding and decoding processing unit.
In practical application, carrier combination extension maintenance unit can set up load under the existing carrier combinations of 4C-HSDPA
Ripple combination extension, the new carrier wave brought with expressing 8C is combined；New load is introduced in the mode for supporting variable number incremental in frequency range A
Ripple composite sequence, introduces carrier combination extension, to express the new carrier wave group that 8C is brought further according to the carrier combination sequence newly introduced
Close.
Encoding and decoding processing unit can specifically include coding processing unit, codec processing unit.Wherein, coding processing unit
UE can be triggered corresponding encoded processing is carried out according to the carrier combination sequence newly introduced；Codec processing unit can then trigger network
Lateral root carries out corresponding decoding processing according to the carrier combination sequence newly introduced.
Visible in summary, either method or system, dual-band carrier combination treatment technology of the present invention provide one
The methods of its dual-band carrier combination information are transmitted in the 4C-HSDPA expression that planting compatible to currently exist, and can
Network is set to know specific carrier combinations of the UE in the combination of some two-band supported, i.e. frequency range A with less signaling bit expenses
With the ability of the maximum downstream variable number of each self-supporting under B two-band joint operations.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (8)
1. a kind of dual-band carrier combination processing method, it is characterised in that this method includes：
Carrier combination extension is set up under the four existing carrier combinations of carrier wave high-speed slender body theory 4C-HSDPA, to express eight
The new carrier wave combination that carrier wave 8C is brought；New carrier combination sequence is introduced in the mode for supporting variable number incremental in frequency range A, then
Carrier combination extension is introduced according to the carrier combination sequence newly introduced, the new carrier wave brought to express 8C is combined；
UE and network side carry out corresponding encoding and decoding processing according to the carrier combination sequence newly introduced；
Wherein, it is described set up under the existing carrier combinations of 4C-HSDPA carrier combination extension method be：
The existing Carrier Combination carrier combinations (2,2) of 4C-HSDPA, (3,1) in part, set up new under (1,3)
Sub- cell：Carrier combination is extended, and the new carrier wave brought with expressing 8C is combined.
2. according to the method described in claim 1, it is characterised in that the incremental mode of variable number is supported in the A with frequency range
New carrier combination sequence is introduced, the method for introducing carrier combination extension further according to the carrier combination sequence newly introduced is：
To support the incremental mode of variable number to introduce new carrier combination (4,1) in frequency range A, (5,1), (6,1), (7,1), then
According to each carrier combination particular situation newly introduced, the sub- cell carrier combination extension of subordinate is introduced.
3. method according to claim 1 or 2, it is characterised in that the process for the encoding and decoding processing that UE is carried out includes：
UE is according to the supported carrier combination of itself dual-band carrier combination ability determination and the load of each carrier combination subordinate
The value of ripple combination extension, is then encoded using the predefined coding rule of network side, then by radio resource control RRC
The coding of above-mentioned UE dual-band carrier combinations ability is sent to network side by row message.
4. method according to claim 1 or 2, it is characterised in that network side carries out the process bag of the encoding and decoding processing
Include：
Network is received after the coding of the UE dual-band carrier combinations ability, is decoded according to predefined coding rule, from
And learn UE dual-band carrier combination abilities.
5. a kind of dual-band carrier combination processing system, it is characterised in that the system includes carrier combination extension maintenance unit, compiled
Codec processing unit；Wherein,
The carrier combination extends maintenance unit, for setting up carrier combination extension under the existing carrier combinations of 4C-HSDPA,
To express the new carrier wave combination that 8C is brought；And, new carrier combination is introduced in the mode for supporting variable number incremental in frequency range A
Sequence, carrier combination extension is introduced further according to the carrier combination sequence newly introduced, and the new carrier wave brought with expressing 8C is combined；
The encoding and decoding processing unit, is accordingly compiled for triggering UE and network side according to the carrier combination sequence newly introduced
Decoding process；
Wherein, the carrier combination extension maintenance unit sets up carrier combination extension under the existing carrier combinations of 4C-HSDPA
When, specifically for：
The existing Carrier Combination carrier combinations (2,2) of 4C-HSDPA, (3,1) in part, set up new under (1,3)
Sub- cell：Carrier combination is extended, and the new carrier wave brought with expressing 8C is combined.
6. system according to claim 5, it is characterised in that the carrier combination extension maintenance unit is with branch in frequency range A
Hold the incremental mode of variable number and introduce new carrier combination sequence, carrier wave set is introduced further according to the carrier combination sequence newly introduced
When closing extension, specifically for：
To support the incremental mode of variable number to introduce new carrier combination (4,1) in frequency range A, (5,1), (6,1), (7,1), then
According to each carrier combination particular situation newly introduced, the sub- cell carrier combination extension of subordinate is introduced.
7. the system according to claim 5 or 6, it is characterised in that the encoding and decoding processing unit includes coded treatment list
Member, following coded treatment is carried out specifically for triggering UE：
UE is according to the supported carrier combination of itself dual-band carrier combination ability determination and the load of each carrier combination subordinate
The value of ripple combination extension, is then encoded using the predefined coding rule of network side, then will be above-mentioned by RRC upstream messages
The coding of UE dual-band carrier combination abilities is sent to network side.
8. the system according to claim 5 or 6, it is characterised in that the encoding and decoding processing unit includes decoding process list
Member, following decoding process is carried out specifically for triggering network side：
Network is received after the coding of the UE dual-band carrier combinations ability, is decoded according to predefined coding rule, from
And learn UE dual-band carrier combination abilities.
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| US9432158B2 (en) * | 2012-10-26 | 2016-08-30 | Sharp Laboratories Of America, Inc. | Systems and methods for handling a type-2 carrier |
| WO2019183760A1 (en) | 2018-03-26 | 2019-10-03 | 华为技术有限公司 | Data processing method and terminal |
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