CN102684823B - 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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Abstract
The invention discloses a kind of dual-band carrier combination processing method and system, all can supporting in frequency range A that variable number introduces new carrier combination sequence in the way of being incremented by, until meeting the carrier combination sequence required for eight carrier wave 8C；The carrier combination sequence being newly introduced is for aiding in illustrating the group belonging to carrier combination cell；UE and network side carry out corresponding encoding and decoding process according to the carrier combination sequence being newly introduced.Dual-band carrier combination treatment technology of the present invention provides a kind of brand-new methods expressing transmission UE dual-band carrier combination information, and network side can be made to know the ability of the maximum downstream variable number of each self-supporting under the UE concrete carrier combination in certain two-band supported combines, i.e. frequency range A and B two-band joint operation with less signaling bit expense.
Description
Technical field
The present invention relates to the communications field, be specifically related to a kind of dual-band carrier combination processing method and system.
Background technology
In WCDMA (WCDMA, Wideband Code Division Multiple Access) network, logical
Wireless network is included 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.
Along with the development of WCDMA network, high-speed downlink packet accesses (HSDPA, High SpeedDownlink
Packet Access), High Speed Uplink Packet access (HSUPA, High Speed UplinkPacket Access), double
Community high-speed slender body theory (DC-HSDPA, Dual Cell-High speeddownlink packet access), double
Frequency range double small district high-speed slender body theory (DB-DC-HSDPA, Dual band-Dual cell-high speed
Downlink packet access), double small district high speed uplink packet access (DC-HSUPA, Dual Cell-high speed
Uplink packet access), four carrier wave high-speed slender body theory (4C-HSDPA, Four carrier-high speed
Downlink packet access), eight carrier wave high-speed slender body theory (8C-HSDPA, Eight carrier-high
Speed downlink packet access) etc. technology be introduced into successively so that the data transmission rate of UE is continuously available and carries
High.As one of premise realizing these technology, UE needs to support more frequency range and frequency range combination.In the one-segment supported
In, UE needs to support broader bandwidth；In the two-band supported, UE needs to support more dual-band carrier combination.Wherein,
Two-band is expressed with (A, B), and such as (2,1) represent A=2, B=1.Frequency range that self is supported by UE by suitable signaling, frequently
The information such as Duan Zuhe and carrier combination is sent to network side；After network side only has correctly received these information, could be UE
Distribute suitable Radio Resource, make reasonably configuration.
At present, 3GPP agreement specification the most imperfectly DC-HSDPA, DB-DC-HSDPA and DC-HSUPA, 4C-HSDPA
Under these several multi-transceiver technologies, UE transmits its frequency range, bandwidth and mode of dual-band carrier combination information supported.But for
The two-band multi-transceiver technology of the follow-up more higher-dimension of 4C-HSDPA, and UE how to transmit its support dual-band carrier combination information
Methods, also there is no specification.
Possess the UE of 4C-HSDPA ability, can support maximum 4 descending carriers under a frequency range or two-band, but not
Represent UE to need all to support 4 descending carriers in its all frequency ranges supported or frequency range combine.Such as certain UE supports 4C-
HSDPA, in the case of one-segment I, configurable maximum downstream carrier number is 4, but in the case of two-band I and VIII combine,
4 descending carriers can not be all respectively configured, now according to the distinctive dual-band carrier combination of UE self in frequency range I and VIII
Ability, the maximum downstream carrier number that may configure in frequency range I is 2, and in frequency range VIII, the maximum downstream carrier number of configuration is
2, i.e. support the dual-band carrier combination of (2+2).If network can not learn that UE each props up in frequency range combination I and VIII in advance
The maximum downstream variable number held, to UE configure resource time, to be on the safe side, can only give UE in frequency range I and VIII all
Configuring 4 descending carriers, this will result in the wasting of resources；Otherwise, may be because of resource distribution not from causing multi-carrier operation to be built
Stand unsuccessfully.If network can learn the UE maximum downstream variable number in each self-supporting of frequency range I and VIII in advance, configuring to UE
During resource, just can be respectively configured 2 descending carriers exactly in frequency range I and VIII, the two-band complying fully with UE support is many
Carrier combination ability.
At present, 3GPP agreement defines UE its dual-band carrier combination information supported of expression transmission of 4C-HSDPA ability
Mode: the ascending wireless resource reported at UE controls in (RRC, Radio ResourceControl) related news, at cell
The sub-cell Radio Access Capability of UE Radio Access Capability (UE wireless access capability)
The sub-cell Supported Carrier of Band Combination List (wireless access capability frequency range Assembly Listing)
In Combination List (the carrier combination list of support), increase by 5 Boolean types with bitmap (bits match) form
Instruction, as shown in table 1:
Table 1
For having the UE of 4C-HSDPA ability, its carrier combination that can be supported by certain two-band combines may
There are (1+1), (3+1), (2+1), (2+2), (1+2) and (1+3) these 6 kinds of situations.So at the sub-cell of Band Combination
Under, these several combinations are listed one by one with Boolean variable form entirely: if UE supports that certain combines, corresponding Boolean variable is with regard to value
True, otherwise false.This mode expressing the dual-band carrier combination information that transmission UE supports has the disadvantage in that
1: from the point of view of above-mentioned signaling bit expense, information redundancy angle, it not optimum methods.Such as: if
UE supports the combination of (3+1) in certain two-band combines, then arranges according to existing protocol, must also support the combination of (2+1)；
In like manner, when UE supports (1+3) combination in certain two-band combines, also must support that (1+2) combines.
2: from the point of view of the forward direction extension that future is the operation of more higher-dimension dual-band carrier combination, the redundancy brought will be to refer to
Number scale increases.Such as possessing the UE of 8C-HSDPA ability, if using above-mentioned bitmap form to express transmission, it is supported
Dual-band carrier combination ability, in addition it is also necessary to extra 28bits go cover all possible carrier combination of 8C such as: (1+7), (2+
6), (3+3), (5+2) ....
Summary of the invention
In view of this, a kind of dual-band carrier combination processing method of offer and system, energy are provided
Enough network side is made to know the UE concrete carrier combination in the two-band combination supported with less signaling bit expense.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of dual-band carrier combination processing method, the method includes:
In frequency range A, support that variable number introduces new carrier combination sequence in the way of being incremented by, until meeting eight carrier wave 8C
Required carrier combination sequence；The carrier combination sequence being newly introduced is for aiding in illustrating the group belonging to carrier combination cell；
UE and network side carry out corresponding encoding and decoding process according to the carrier combination sequence being newly introduced.
Described carrier combination sequence particularly as follows: carrier combination (1, X), carrier combination (2, X), carrier combination (3,
X) ... until the carrier combination (7, X) required for current 8C；
1 to 7 corresponding frequency band A in above-mentioned carrier combination, the maximum carrier combination that can be supported by frequency range A for instruction
Number, is to discriminate between the parameter of carrier combination sequence.
Described X corresponding frequency band B, the maximum carrier combination number that can be supported by frequency range B for instruction, it is to discriminate between each load
The parameter of the internal different abilities of ripple composite sequence.
The process of the described coded treatment that UE is carried out includes:
UE determines the carrier combination sequence of support according to self dual-band carrier combination ability, and further determines that each
The ability supported respectively in carrier combination sequence, then uses and the predefined coding rule of network side encodes, lead to afterwards
Cross radio resource control RRC upstream message and the coding of above-mentioned UE dual-band carrier combination ability is sent to network side.
Network side carries out the process of described decoding process and includes:
After network side receives the coding of described UE dual-band carrier combination ability, solve according to predefined coding rule
Code, thus learn UE dual-band carrier combination ability.
A kind of dual-band carrier combination processing system, this system includes at new carrier combination sequence maintenance unit, encoding and decoding
Reason unit；Wherein,
Described new carrier combination sequence maintenance unit is new for supporting that in frequency range A variable number introduces in the way of being incremented by
Carrier combination sequence, until meet the carrier combination sequence required for 8C；The carrier combination sequence being newly introduced is for assisting
Group belonging to bright carrier combination cell；
Described encoding and decoding processing unit, carries out phase for triggering UE and network side according to the carrier combination sequence being newly introduced
Encoding and decoding are answered to process.
Described carrier combination sequence particularly as follows: carrier combination (1, X), carrier combination (2, X), carrier combination (3,
X) ... until the carrier combination (7, X) required for current 8C；
1 to 7 corresponding frequency band A in above-mentioned carrier combination, the maximum carrier combination that can be supported by frequency range A for instruction
Number, is to discriminate between the parameter of carrier combination sequence.
Described X corresponding frequency band B, the maximum carrier combination number that can be supported by frequency range B for instruction, it is to discriminate between each load
The parameter of the internal different abilities of ripple composite sequence.
Described encoding and decoding processing unit includes coding processing unit, carries out following coded treatment specifically for triggering UE:
UE determines the carrier combination sequence of support according to self dual-band carrier combination ability, and further determines that each
The ability supported respectively in carrier combination sequence, then uses and the predefined coding rule of network side encodes, lead to afterwards
Cross RRC upstream message and the coding of above-mentioned UE dual-band carrier combination ability is sent to network side.
Described encoding and decoding processing unit includes codec processing unit, carries out at following decoding specifically for triggering network side
Reason:
After network side receives the coding of described UE dual-band carrier combination ability, solve according to predefined coding rule
Code, thus learn UE dual-band carrier combination ability.
Dual-band carrier combination treatment technology of the present invention provides a kind of brand-new expression transmission UE dual-band carrier combination
The methods of information, and UE is in certain two-band group supported network side can be made to know with less signaling bit expense
The energy of the maximum downstream variable number of each self-supporting under concrete carrier combination in conjunction, i.e. frequency range A and B two-band joint operation
Power.
Accompanying drawing explanation
Fig. 1 is the UTRAN network architecture schematic diagram of prior art；
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.
Detailed description of the invention
In general, the present invention in negative and on the basis of removing the cell design of expression in table 1 above, can carry out as
Lower operation:
Initialize: in frequency range A, support that variable number introduces new carrier combination sequence such as in the way of being incremented by: Carrier
Combination (1, X), Carrier Combination (2, X), Carrier Combination (3, X) ... until
Carrier combination sequence C arrier Combination (7, X) required for 8C at present.
If it should be understood that there is the two-band multi-carrier operation of more higher-dimension in the future, can continue to open up in the above described manner
Exhibition.The carrier combination sequence being newly introduced not is new cell, so and be not take up bits, be aid in illustrating carrier combination institute
The effect of genus group.First value in each carrier combination sequence indicates the maximum carrier combination number that can be supported by frequency range A,
It is to discriminate between the parameter of carrier combination sequence.Second value indicates the maximum carrier combination number that can be supported by frequency range B, is to discriminate between
The parameter of each carrier combination interior sequences difference ability.
Step 1:UE determines the carrier combination sequence of support according to self dual-band carrier combination ability, and the most true
The ability supported respectively in fixed each carrier combination sequence, then uses and the predefined coding rule of network side encodes.
Step 2:UE by RRC upstream message by the coding of above-mentioned UE dual-band carrier combination ability, with bitstring
The form of (Bit String) is sent to network side.Described RRC upstream message is such as: RRCConnection Setup Complete (RRC
Connection establishment completes) or the message such as UE CapabilityInformation (UE ability information).
Step 3: after network side receives described bitstring, be decoded according to the most predefined coding rule, thus
Learn UE dual-band carrier combination ability.
The methods of the present invention are described below by specific embodiment:
Embodiment 1: such as table 2, this table defines a kind of UE and network side expresses 8C carrier combination ability.
Initializing: in each carrier combination sequence, sub-cell carrier combination is essential option, value is in table 2 corresponding piece
A value in act scope.The implication of each value concrete is illustrated below:
Carrier combination under carrier combination (1, X) sequence:
Value is that-1 expression only supports (1,1)；
Value is that 0 expression maximum can support (1,2)；
Value is that 1 expression maximum can support (1,3)；
Value is that 2 expression maximums can support (Isosorbide-5-Nitrae)；
Value is that 3 expression maximums can support (1,5)；
Value is that 4 expression maximums can support (1,6)；
Value is that 5 expression maximums can support (1,7).
Table 2
Because the cell of essential class need not, with any bit, its existence (certainly existing) is notified network side, add table
Reach enumerated value (-1,0,1,2,3,4,5), need with 3bits encode, such as: UE and network side reserve in advance enumerate value just according to
-12 scale codings offset are had to carry out: (-1,0,1,2,3,4,5) the most corresponding 000,001,010,011,100,101,110.
Final in order to express UE carrier combination (1, X) sequence, need to expend 3bits.In like manner, in table 2, in order to express UE carrier combination
(2, X) sequence, needs again to expend 3bits；In order to express UE carrier combination (3, X) sequence, need again to expend 3bits；For table
Reach UE carrier combination (4, X) sequence, need again to expend 3bits；In order to express UE carrier combination (5, X) sequence, need again to expend
2bits；In order to express UE carrier combination (6, X) sequence, need again to expend 2bits；Last in order to express UE carrier combination (7, X)
Sequence, needs again to expend 1bits.So, for expressed intact 8C all effective carrier combination in two-band, need altogether to increase
3+3+3+3+2+2+1=17bits, needs 17bits in the combination of the most each frequency range altogether.
Step 1:UE determines supported carrier combination sequence according to self dual-band carrier combination ability, and further
Determine the ability supported respectively in each carrier combination sequence, be encoded into a 17bits's according still further to above-mentioned coded system
bitstring。
Step 2:UE passes through RRC connection setup complete message by corresponding to above-mentioned UE dual-band carrier combination capability code
Bitstring is sent to network side.
Step 3: after network side receives described bitstring, solve according to predefined coding rule in table 2 before
Code, thus learn UE dual-band carrier combination ability.
The advantage of above-mentioned expression dual-band carrier combination methods is: clear logic, and coding and decoding is convenient, and follow-up
Autgmentability is strong.
Visible in conjunction with above example, the operation thinking that dual-band carrier combination of the present invention processes can represent such as Fig. 2 institute
The flow process shown, this flow process comprises the following steps:
Step 210: support that in frequency range A variable number introduces new carrier combination sequence in the way of being incremented by, until meeting
Carrier combination sequence required for 8C；The carrier combination sequence being newly introduced is for aiding in illustrating the group belonging to carrier combination cell.
Step 220:UE and network side carry out corresponding encoding and decoding process according to the carrier combination sequence being newly introduced.
In order to ensure that above-described embodiment and operation thinking can realize smoothly, setting as shown in Figure 3 can be carried out.Ginseng
Seeing the dual-band carrier combination processing system figure that Fig. 3, Fig. 3 are the embodiment of the present invention, this system includes the new carrier combination being connected
Sequence maintenance unit, encoding and decoding processing unit.
When reality is applied, new carrier combination sequence maintenance unit can be with the side supporting variable number to be incremented by frequency range A
Formula introduces new carrier combination sequence, until meeting the carrier combination sequence required for 8C；The carrier combination sequence being newly introduced is used
In aiding in illustrating the group belonging to carrier combination cell.
Encoding and decoding processing unit can specifically include coding processing unit, codec processing unit.Wherein, coding processing unit
UE can be triggered and carry out corresponding encoded process according to the carrier combination sequence being newly introduced；Codec processing unit then can trigger network
Side carries out corresponding decoding process according to the carrier combination sequence being newly introduced.
The most visible, either method or system, dual-band carrier combination treatment technology of the present invention provides one
Plant the brand-new methods expressing transmission UE dual-band carrier combination information, and can make with less signaling bit expense
Network side is known under the UE concrete carrier combination in certain two-band supported combines, i.e. frequency range A and B two-band joint operation
The ability of the maximum downstream variable number of each self-supporting.
The above, only presently preferred embodiments of the present invention, it is not intended to limit protection scope of the present invention.
Claims (6)
1. a dual-band carrier combination processing method, it is characterised in that the method includes:
In frequency range A, support that variable number introduces new carrier combination sequence in the way of being incremented by, until needed for meeting eight carrier wave 8C
The carrier combination sequence wanted；The carrier combination sequence being newly introduced is for aiding in illustrating the group belonging to carrier combination cell；
UE and network side carry out corresponding encoding and decoding process according to the carrier combination sequence being newly introduced；
Wherein, described carrier combination sequence particularly as follows: carrier combination (1, X), carrier combination (2, X), carrier combination (3,
X) ... until the carrier combination (7, X) required for current 8C；
1 to 7 corresponding frequency band A in above-mentioned carrier combination, the maximum carrier combination number that can be supported by frequency range A for instruction,
It is to discriminate between the parameter of carrier combination sequence；
Described X corresponding frequency band B, the maximum carrier combination number that can be supported by frequency range B for instruction, it is to discriminate between each carrier wave set
Close the parameter of interior sequences difference ability.
Method the most according to claim 1, it is characterised in that the process of the described coded treatment that UE is carried out includes:
UE determines the carrier combination sequence of support according to self dual-band carrier combination ability, and further determines that each carrier wave
The ability supported respectively in composite sequence, then uses and the predefined coding rule of network side encodes, pass through nothing afterwards
The coding of above-mentioned UE dual-band carrier combination ability is sent to network side by line resources control RRC upstream message.
3. according to the method described in any one of claim 1 to 2, it is characterised in that network side carries out the mistake of described decoding process
Journey includes:
After network side receives the coding of described UE dual-band carrier combination ability, it is decoded according to predefined coding rule,
Thus learn UE dual-band carrier combination ability.
4. a dual-band carrier combination processing system, it is characterised in that this system include new carrier combination sequence maintenance unit,
Encoding and decoding processing unit；Wherein,
Described new carrier combination sequence maintenance unit, for supporting that in frequency range A variable number introduces new load in the way of being incremented by
Ripple composite sequence, until meeting the carrier combination sequence required for 8C；The carrier combination sequence being newly introduced is for aiding in illustrating load
Group belonging to ripple combinational cells；
Described encoding and decoding processing unit, compiles according to the carrier combination sequence being newly introduced accordingly for triggering UE and network side
Decoding process；
Wherein, described carrier combination sequence particularly as follows: carrier combination (1, X), carrier combination (2, X), carrier combination (3,
X) ... until the carrier combination (7, X) required for current 8C；
1 to 7 corresponding frequency band A in above-mentioned carrier combination, the maximum carrier combination number that can be supported by frequency range A for instruction,
It is to discriminate between the parameter of carrier combination sequence；
Described X corresponding frequency band B, the maximum carrier combination number that can be supported by frequency range B for instruction, it is to discriminate between each carrier wave set
Close the parameter of interior sequences difference ability.
System the most according to claim 4, it is characterised in that described encoding and decoding processing unit includes coding processing unit,
Following coded treatment is carried out specifically for triggering UE:
UE determines the carrier combination sequence of support according to self dual-band carrier combination ability, and further determines that each carrier wave
The ability supported respectively in composite sequence, then uses and the predefined coding rule of network side encodes, pass through RRC afterwards
The coding of above-mentioned UE dual-band carrier combination ability is sent to network side by upstream message.
6. according to the system described in any one of claim 4 to 5, it is characterised in that described encoding and decoding processing unit includes decoding
Processing unit, carries out following decoding process specifically for triggering network side:
After network side receives the coding of described UE dual-band carrier combination ability, it is decoded according to predefined coding rule,
Thus learn UE dual-band carrier combination ability.
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| CN201110063842.8A CN102684823B (en) | 2011-03-16 | A kind of dual-band carrier combination processing method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110063842.8A CN102684823B (en) | 2011-03-16 | A kind of dual-band carrier combination processing method and system |
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| CN102684823A CN102684823A (en) | 2012-09-19 |
| CN102684823B true CN102684823B (en) | 2016-12-14 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1972282A (en) * | 2005-11-24 | 2007-05-30 | 上海原动力通信科技有限公司 | System and method for providing multicarrier HSDPA backward compatibility |
| CN101207914A (en) * | 2006-12-21 | 2008-06-25 | 华为技术有限公司 | Method, apparatus and system for wireless resource control connecting |
| WO2010103725A1 (en) * | 2009-03-13 | 2010-09-16 | 日本電気株式会社 | Wireless communication system, base station, mobile station, base station controlling method, mobile station controlling method, and recording medium on which program has been stored |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1972282A (en) * | 2005-11-24 | 2007-05-30 | 上海原动力通信科技有限公司 | System and method for providing multicarrier HSDPA backward compatibility |
| CN101207914A (en) * | 2006-12-21 | 2008-06-25 | 华为技术有限公司 | Method, apparatus and system for wireless resource control connecting |
| WO2010103725A1 (en) * | 2009-03-13 | 2010-09-16 | 日本電気株式会社 | Wireless communication system, base station, mobile station, base station controlling method, mobile station controlling method, and recording medium on which program has been stored |
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