CN101150845A - Method for configuring E-DCH channel, channel configuration module and user device - Google Patents

Method for configuring E-DCH channel, channel configuration module and user device Download PDF

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CN101150845A
CN101150845A CNA2006101522362A CN200610152236A CN101150845A CN 101150845 A CN101150845 A CN 101150845A CN A2006101522362 A CNA2006101522362 A CN A2006101522362A CN 200610152236 A CN200610152236 A CN 200610152236A CN 101150845 A CN101150845 A CN 101150845A
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subset
cctrch
channel
dpdch
bit number
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CN100584094C (en
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吴玉忠
黄凯涛
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC

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Abstract

The invention relates to mobile communication technology, in particular to a method for allocating E-DCH channels refering to E-TFCI, a channel allocating module and a user device for sloving the problems of failing to allocate E-DCH channel power deflection value in present allocation method. The technique proposal of the invention allocates E-DCH channel power deflection value refering to E-TFCI, utilizes CCTrCH bite number gather to determine Le, ref values, which does not consider the actual ability of network and UE to limit CCTrCH bite number to be used, acquires needed Le, ref values at any condition, thereby beta ed, j, hard values are allocated successfully.

Description

Method for configuring E-DCH channel, channel configuration module and user equipment
Technical Field
The present invention relates to mobile communication technology, and in particular, to a method for configuring an E-DCH (Enhanced Dedicated Channel) Channel with reference to an E-DCH Transport Format Combination Indicator (E-DCH Transport Format Combination Indicator), a Channel configuration module, and a user equipment.
Background
There are four sets of transport formats that can be used by the E-DCH channel, each set comprising a plurality of transport formats, protocol TS25.321 Annex B (normal): the E-DCH Transport Block Size Tables for FDD gives the Transport Block bit numbers (TB sizes) for each Transport format j (TB Index) in the four sets and sets, for example, as shown in table 1.
Table 1.
TB TB Size Index (bits) TB TB Size Index (bits) TB TB Size Index (bits) TB TB Size Index (bits) TB TB Size Index (bits)
0 18 1 120 2 124 3 129 4 133 5 138 6 143 7 149 8 154 9 160 10 166 11 172 12 178 13 185 14 192 15 199 16 206 17 214 18 222 19 230 20 238 21 247 22 256 23 266 24 275 30 342 31 355 32 368 33 382 34 396 35 410 36 426 37 441 38 458 39 474 40 492 41 510 42 529 43 548 44 569 45 590 46 611 47 634 48 657 49 682 50 707 51 733 52 760 53 788 54 817 60 1015 61 1053 62 1091 63 1132 64 1173 65 1217 66 1262 67 1308 68 1356 69 1406 70 1458 71 1512 72 1568 73 1626 74 1685 75 1748 76 1812 77 1879 78 1948 79 2020 80 2094 81 2172 82 2252 83 2335 84 2421 90 3008 91 3119 92 3234 93 3353 94 3477 95 3605 96 3738 97 3876 98 4019 99 4167 100 4321 101 4480 102 4645 103 4816 104 4994 105 5178 106 5369 107 5567 108 5772 109 5985 110 6206 111 6435 112 6672 113 6918 114 7173 120 8913 121 9241 122 9582 123 9935 124 10302 125 10681 126 11075 127 11484
25 286 26 296 27 307 28 318 29 330 55 847 56 878 57 911 58 944 59 979 85 2510 86 2603 87 2699 88 2798 89 2901 115 7437 116 7711 117 7996 118 8290 119 8596
The network appoints to use one of the sets when establishing an E-DCH channel, and the E-DCH channel selects one transmission format in the set to send to the network side when sending data in each TTI.
When a UE (User Equipment) implements Data transmission, data in an E-DCH Channel needs to be mapped onto a Physical Channel E-DPDCH (enhanced Dedicated Physical Data Channel), and the Physical Channel is transmitted to a network side through a radio frequency system after being processed by spreading and scrambling.
In a current HSUPA (High Speed-Uplink Packet Access) system, when a UE implements E-DPDCH channel spreading, a set content of an E-TFCI needs to be referred to (Reference), where the set content is carried in a related configuration message sent to the UE by a network side, and related setting items of the set content are included in the following table 2:
TABLE 2 reference E-TFCI configuration content
IE/Group Name (cell/group name) Presence (Presence) Range (scope) IE Type and Reference (cell type and scope)
Reference E-TFCI Information (reference E-TFCI information set) 1..<maxnoofRefETFCIs> (reference E-TFCI information set in common With maxnoofferfcis group)
＞Reference E-TFCI M (must choose) INTEGER(0..127) (integer of 0 to 127)
＞Reference E-TFCI Power Offset (reference power bias) M (must choose) INTEGER(0..29) (integer of 0 to 29)
Wherein, the reference E-TFCI corresponds to one TB Index in the table 1, the value range is 0 to 127, the tables similar to the table 1 have 3, and the lengths of different tables are possibly different due to inconsistency of definition modes. The Reference Power Offset (Reference E-TFCI Power Offset) is a Power Offset value which is expected to be set, the value range of the Reference Power Offset is 0-29, and the Power Offset value is obtained through simulation analysis according to actual test. The reference E-TFCI and the reference E-TFCI Power Offset are both configured by higher layer signaling.
The reference E-TFCI and the reference power offset play a role in converting power of different service rates when the UE transmits data in each transmission time interval TTI. The actual application process is shown in formula 1:
Figure A20061015223600101
wherein: beta is a ed，ref Is ReferenceE-tfciower offset set in table 1 above;
K e，ref the size of the corresponding TBSize in the table 1 for the reference E-TFCI configured in the above table 2;
L e，ref to transmit K e，ref The number of E-DPDCH required for data volume;
K e，j representing the data volume to be transmitted by the UE in each TTI;
L e，j indicating transmission K e，j The number of E-DPDCH required for data volume;
Δ harq a bias constant for the service;
β ed，j，harq indicating transmission K e，j The power offset value that the data amount needs to use.
Wherein L is e，ref Or L e，j Needs to be calculated according to the following steps when calculating L e，reft When N is present e，j ＝K e，ref (ii) a When calculating L e，j When N is present e，j ＝K e，j ：
1. Determining the number N of all CCTrCH (code multiplexed transport channels) bits e，data Composed CCTrCH bit number corpusSubset SET0 included in SET;
CCTrCH bit number corpus SET = { N = { (N) } 256 ，N 18 ，N 64 ，N 32 ，N 16 ，N 8 ，N 4 ，2×N 4 ，2×N 2 ， 2×N 2 +2×N 4 }；
The subset SET0 is determined according to the self transmission capability of the UE and the number of CCTrCH bits allowed to be used by the UE by the network side, and each element N in the subset SET0 e，data The number of CCTrCH bits allowed to be used by the UE and the network side should be less than or equal to the number of CCTrCH bits, and the CCTrCH bits are configured in the process of establishing connection between the user and the network.
Each element N e，data Where N is the number of bits of the CCTrCH of one E-DPDCH channel at the corresponding SF, the index of N is the corresponding SF, SF is 256, 128, 64, 32, 16, 8, 4 or 2, and the coefficient multiplied by N is the number of E-DPDCHs allowed to be used by the UE. E.g. N 256 The bit number of the CCTrCH is expressed when the number of the E-DPDCH is 1 and the corresponding spreading factor is 256; 2 XN 4 The bit number of the CCTrCH is expressed when the number of the E-DPDCH is 2 and the corresponding spreading factor is 4; 2 XN 2 +2×N 4 The bit number of the CCTrCH when the number of E-DPDCH is 4 and the corresponding spreading factor of each two of the E-DPDCH is 2 or 4 respectively.
2. Determine SET1= { in SET0, N e，data Satisfies N e，data -N e，j The set of > =0 };
wherein N is e，j Indicating the maximum total allowed UE transmission per TTI for transport format j before rate matchingA number of bits;
each element N in the SET1 e，data The total number of bits allowed to be transmitted by the UE per TTI corresponding to the current transport format j should be equal to or greater than.
3. If SET1 is not empty and the smallest N in SET1 e，data If the corresponding E-DPDCH number is 1, directly making N e，data，j = minSET1, i.e. L e，ref Or L e，j If so, ending the calculation, otherwise, performing the step 4;
wherein N is e，data，j Indicating the total number of bits that the UE is allowed to transmit per TTI corresponding to transport format j.
Firstly, in a SET SET1, the minimum N which has the E-DPDCH number of 1 and can meet the transmission capability requirement without punching data sent by UE is preferentially selected e，data (ii) a Otherwise, the subsequent steps are carried out for selection.
4. Determine SET2= { in SET0, N e，data Satisfies N e，data -PL non-max ×N e，j The set of > =0 };
wherein PL non-max Puncturing limit value, 1-PL, indicating high layer configuration non-max Is 0.44.
If the SET2 is not empty, step 5 is performed; otherwise, executing step 6;
5. let N e，data，j Equal to the minimum N of 1 for the corresponding number of E-DPDCH in SET2 e，data That is, after the spread spectrum data sent to each TTI of the UE is preferentially selected to be punctured according to the puncturing limit value configurable by the upper layer, the minimum N that can satisfy the transmission capability requirement when the number of E-DPDCHs is 1 is selected e，data 。
If L is determined according to the above steps e，ref Or L e，j If yes, the calculation is finished; otherwise, continue to step 6.
6. If the SET2 is empty, that is, after the perforation is performed according to the perforation limit value which can be configured by the high layer, the transmission capability which can not meet the requirement still can be met, directly enabling N e，data，j Equal to SET0, satisfies N e，data -PL max × N e，j Maximum N of > =0 e，data 。
Wherein PL is max Indicating a puncturing limit value determined by the UE capability, except for UE support and network support N e，data ＝2×N 2 +2×N 4 The user value of (2) is not 0.33, but is 0.44 in other cases.
I.e. the puncturing limit value PL, again determined according to the UE capabilities max Is selected from SET0 to be fullMaximum N of transmission capacity requirement after punching e，data 。
In summary, if the minimum CCTrCH bit number exists in the SET0 and the number of E-DPDCH channels corresponding to the minimum CCTrCH bit number is 1, the second E-DPDCH channel number is SET to be 1 and then ended; otherwise:
according to the maximum punching limit value configured at the network side, the corresponding transmitted data volume (K) e，ref Or K e，j ) After the puncturing process is performed, if the number of CCTrCH bits capable of meeting the transmission capability exists in the SET0 and the number of the corresponding E-DPDCH channels is 1, let L be e，ref Or L e，j 1, if there are CCTrCH bit numbers which can satisfy the transmission capability but the number of the corresponding E-DPDCH channels is not 1, let L be e，ref Or L e，j Ending after the number of the E-DPDCH channels corresponding to the maximum CCTrCH bit number; otherwise:
according to the puncturing limit determined by the user equipment capability, for the corresponding transmitted data quantity (K) e，ref Or K e，j ) After the punching processing is carried out, the maximum CCTrCH bit number which can meet the transmission capability in the SET0 is inquired, and the L is ordered e，ref Or L e，j The number of E-DPDCH channels corresponding to the maximum CCTrCH bit number.
By way of specific example:
scene 1: suppose the amount of data that needs to be transmitted per TTI is (N) 32 + 1), then SET1= { N) that satisfies the condition 16 ，N 8 ，N 4 ，2×N 4 ，2×N 2 ，2×N 2 +2×N 4 }; then N is finally selected e，data，j ＝N 16 ；
Scene 2: assume that the amount of data to be transmitted is (1.25 x (2 x N) 4 ))，PL non-max 0.8, SET1= {2 × N) satisfying the condition according to the above-described procedure 2 ，2×N 2 +2×N 4 And since the number of the E-DPDCH corresponding to the minimum value of the SET1 is 2, the condition of the step 3 cannot be met, and the step 4 is executed and thenProcedure, SET2= {2 × N is obtained 4 ，2×N 2 ，2×N 2 +2×N 4 Get N according to the above process e，data，j ＝ 2×N 4 ；
Scene 3: assume that the amount of data that needs to be transmitted is 0.8 x (2 x N) 2 +2×N 4 ) Configuring PL non-max 0.9, then SET1= {2 × N 2 +2×N 4 }; and SET2= empty SET; so that N is finally obtained e，data，j ＝2×N 2 +2×N 4 。
From the above process, L is affected e，j Or L is e，ref Is mainly the configured PL non-max Puncturing limit, PL determined by UE and network side max Puncturing limit and the number of bits that need to be transmitted.
In table 3, the protocol 25.306 specifies the capability class of the UE, and it is understood from the table that different capability classes of UEs exist and different capability specifications exist.
Table 3UE capability class table
UE capability class Number of E-DPDCH Minimum spreading factor Maximum total number of bits allowed to be transmitted per TTI
Category 1 1 SF4 7110
Category 2 2 SF4 14484
Category 3 2 SF4 14484
Category 4 2 SF2 20000
Category 5 2 SF2 20000
Category 6 4 SF2 20000
If the reference E-TFCI setting exceeds the UE capability and the bit number limit of the CCTrCH allowed to be used by the UE at the network side, the SET1 determined according to the SET0 is an empty SET and cannot be usedTo obtain L e，ref E.g. SET0= { N determined according to UE capability and the number of bits of CCTrCH allowed to be used by UE at network side 256 ， N 128 ，N 64 ，N 32 ，N 16 ，N 8 ，N 4 Refer to N corresponding to E-TFCI e，j ＝2×N 4 SET1 is then an empty SET, eventually perhaps according to PL non-ma And PL max L still cannot be determined e，ref Thereby resulting in beta ed，j，harq The configuration fails.
Disclosure of Invention
The invention provides a method for configuring an E-DCH channel by referring to an E-TFCI (enhanced-transport channel indicator), a configuration module and user equipment, which aim to solve the problem that the power offset value of the E-DCH channel is likely to fail to be configured in the conventional configuration method.
In order to solve the above problems, the present invention provides the following technical solutions:
a method of configuring an E-DCH channel, comprising the steps of:
the user equipment receives an E-DCH transmission format indicated value corresponding to the current TTI issued by the network side and inquires the E-DCH channel transmission block bit number corresponding to the transmission format indicated value;
the user equipment determines a CCTrCH bit number complete set consisting of all CCTrCH bit numbers and a first subset contained in the CCTrCH bit number complete set, wherein the CCTrCH bit number in each first subset is greater than the bit number of the transmission block;
the user equipment determines the number of first E-DPDCH channels required when the data quantity equal to the bit number of the transmission block is transmitted in the current TTI according to the CCTrCH bit number full set and the first subset;
and the user equipment calculates and configures the power offset value of the E-DCH channel used by the current TTI by referring to the number of the first E-DPDCH channels.
The method further comprises the following steps:
the user equipment also determines a second subset contained in the CCTrCH bit number complete set, wherein the CCTrCH bit number in the second subset is less than or equal to the transmission capability of the user equipment and the CCTrCH bit number allowed to be used by the user equipment by a network side;
the user equipment determines a third subset contained in the second subset, wherein the number of CCTrCH bits of the third subset is more than or equal to the data volume to be transmitted in the current TTI of the user equipment;
the user equipment determines the number of second E-DPDCH channels required for transmitting the data volume to be transmitted in the current TTI according to the second subset and the third subset;
and the user equipment also calculates and configures the power offset value of the E-DCH channel used by the current TTI by referring to the number of the second E-DPDCH channels.
In the method, the user equipment also receives an E-DCH channel reference power offset value issued by a network side; and the method for calculating the E-DCH channel power offset value used by the current TTI comprises the following steps:
wherein: beta is a ed，j，harq The E-DCH channel power offset value used for the current TTI;
β ed，ref reference power offset value of E-DCH channel configured for network side;
K e，ref the number of bits of an E-DCH channel transmission block corresponding to the current TTI is obtained;
L e，ref the number of the first E-DPDCH channels;
K e，j the data volume to be transmitted for the current TTI of the user equipment is obtained;
L e，j is the second E-DPDCH channel number;
Δ harq is a bias constant for the current traffic.
The method for determining the number of the first E-DPDCH channels comprises the following steps:
if the minimum CCTrCH bit number with the corresponding E-DPDCH channel number being 1 exists in the first subset, the first E-DPDCH channel number is made to be 1; otherwise:
after the data volume with the same number of bits of the transmission blocks is subjected to punching processing according to the maximum punching limit value configured at the network side, if the CCTrCH bit number capable of meeting the transmission capability exists in the CCTrCH bit number complete set and the number of the corresponding E-DPDCH channels is 1, the number of the first E-DPDCH channels is made to be 1, and if the CCTrCH bit number capable of meeting the transmission capability exists but the number of the corresponding E-DPDCH channels is not 1, the number of the first E-DPDCH channels is made to be the number of the E-DPDCH channels corresponding to the maximum CCTrCH bit number; otherwise:
and enabling the number of the first E-DPDCH channels to be the number of the E-DPDCH channels corresponding to the maximum CCTrCH bit number in the CCTrCH bit number full set.
The method for determining the number of the second E-DPDCH channels comprises the following steps:
if the minimum CCTrCH bit number exists in the second subset and the E-DPDCH channel number corresponding to the minimum CCTrCH bit number is 1, making the second E-DPDCH channel number be 1; if not, then:
after the actual data volume to be transmitted of the current TTI is subjected to the hole punching processing according to the maximum punching limit value configured on the network side, if the CCTrCH bit number capable of meeting the transmission capability exists in the second subset and the number of the corresponding E-DPDCH channels is 1, the number of the second E-DPDCH channels is made to be 1, and if the CCTrCH bit number capable of meeting the transmission capability exists but the number of the corresponding E-DPDCH channels is not 1, the number of the second E-DPDCH channels is made to be the number of the E-DPDCH channels corresponding to the maximum CCTrCH bit number; otherwise:
and after the actual data volume to be transmitted of the current TTI is subjected to the hole punching processing according to the punching limit determined by the user equipment capability, inquiring the maximum CCTrCH bit number capable of meeting the transmission capability in the first subset, and enabling the number of the second E-DPDCH channels to be the number of the E-DPDCH channels corresponding to the maximum CCTrCH bit number.
Wherein, the CCTrCH bit number complete set is { N 256 ，N 128 ，N 64 ，N 32 ，N 16 ，N 16 ，N 8 ，N 4 ，2×N 4 ， 2×N 2 ，2×N 2 +2×N 4 }。
The invention also provides a channel configuration module, which comprises a query submodule and a transmission submodule, wherein the query submodule is used for querying the bit number of the corresponding E-DCH channel transmission block according to the E-DCH transmission format indicated value in the E-TFCI indicating information; further comprising:
a complete set determining submodule connected with the query submodule and used for determining a CCTrCH bit number complete set consisting of all CCTrCH bit numbers;
a first subset determining submodule, connected to the full set determining submodule, for determining a first subset contained in the full set of CCTrCH bit numbers, where each CCTrCH bit number in the first subset is greater than the bit number of the transport block;
a first channel number determining submodule which is respectively connected with the full set determining submodule and the first subset determining submodule and determines the number of first E-DPDCH channels required when the data quantity equal to the bit number of the transmission block is transmitted in the current TTI according to the full set and the first subset of the CCTrCH bit number;
and the configuration submodule is connected with the first channel number determining submodule and calculates and configures the power offset value of the E-DCH channel used by the current TTI by referring to the number of the first E-DPDCH channels.
Wherein the channel configuration module further comprises:
a second subset determining submodule, connected to the full set determining submodule, for determining a second subset included in a full set of CCTrCH bit numbers, where the number of CCTrCH bit in each second subset is less than or equal to the transmission capability of the user equipment itself and the number of CCTrCH bit allowed to be used by the user equipment on the network side;
a third subset determining submodule, connected to the second subset determining submodule, for determining a third subset contained in the second subset, wherein the number of bits of each CCTrCH of the third subset is greater than or equal to the amount of data to be transmitted in the current TTI of the user equipment;
and the second channel number determining sub-module is respectively connected with the second subset determining sub-module, the third subset determining sub-module and the configuration sub-module, determines the number of second E-DPDCH channels required by transmitting the data quantity to be transmitted in the current TTI according to the second subset and the third subset, and the configuration sub-module calculates and configures the power offset value of the E-DCH channel corresponding to the current TTI by referring to the number of the first E-DPDCH channels and the number of the second E-DPDCH channels.
The configuration submodule also receives and outputs the reference power offset value of the E-DCH channel to the configuration submodule; the configuration sub-module calculates the E-DCH channel power offset value used by the current TTI according to the following method:
Figure A20061015223600161
wherein: beta is a ed，j，harq An E-DCH channel power offset value used for the current TTI;
β ed，ref reference power offset value of E-DCH channel configured for network side;
K e，ref the number of bits of an E-DCH channel transmission block corresponding to the current TTI is obtained;
L e，ref the number of the first E-DPDCH channels;
K e，j the data volume to be transmitted for the current TTI of the user equipment;
L e，j is the second E-DPDCH channel number;
Δ harq is a bias constant for the current traffic.
Wherein, the first channel number determining submodule specifically includes:
judging whether a minimum CCTrCH bit number with the corresponding E-DPDCH channel number of 1 exists in the first subset, and enabling the first E-DPDCH channel number to be 1;
after the data volume with the same number of bits of the transmission block is subjected to punching processing according to a maximum punching limit value configured on a network side, if a CCTrCH bit number capable of meeting the transmission capability exists in a CCTrCH bit number complete set and the number of corresponding E-DPDCH channels is 1, making the number of the first E-DPDCH channels be 1, and if the CCTrCH bit number capable of meeting the transmission capability exists but the number of the corresponding E-DPDCH channels is not 1, making the number of the first E-DPDCH channels be a functional unit of the number of the E-DPDCH channels corresponding to the maximum CCTrCH bit number;
the number of the first E-DPDCH channels is a functional unit of the number of the E-DPDCH channels corresponding to the maximum CCTrCH bit number in a CCTrCH bit number full set;
the second channel number determination submodule specifically includes:
a functional unit for determining the minimum number of CCTrCH bits existing in the third subset and the number of E-DPDCH channels corresponding to the minimum number of CCTrCH bits is 1, and making the number of the second E-DPDCH channels be 1;
after the actual data volume to be transmitted of the current TTI is subjected to hole punching processing according to the maximum punching limit value configured on the network side, judging that CCTrCH bit numbers capable of meeting the transmission capability exist in the second subset and the number of the corresponding E-DPDCH channels is 1, enabling the number of the second E-DPDCH channels to be 1, and if CCTrCH bit numbers capable of meeting the transmission capability exist but the number of the corresponding E-DPDCH channels is not 1, enabling the number of the second E-DPDCH channels to be a functional unit of the number of the E-DPDCH channels corresponding to the maximum CCTrCH bit numbers;
and after the actual data volume to be transmitted of the current TTI is subjected to the hole punching processing according to the punching limit determined by the user equipment capability, inquiring the maximum CCTrCH bit number capable of meeting the transmission capability in the second subset, and making the number of the second E-DPDCH channels be the functional unit of the number of the E-DPDCH channels corresponding to the maximum CCTrCH bit number.
The invention also provides user equipment which comprises a receiving and sending module and a channel configuration module, wherein the receiving and sending module is used for receiving the E-DCH transmission format indicating value and the E-DCH channel reference power offset value corresponding to the current TTI issued by the network side, and the channel configuration module is connected with the receiving and sending module and is used for configuring the power offset value of the E-DCH channel by referring to the E-DCH channel transmission block bit number and the E-DCH channel reference power offset value corresponding to the E-TFCI indicating information.
The invention has the following beneficial effects:
the technical scheme of the invention determines L by using a CCTrCH bit number complete set when configuring the E-DCH channel bias power value by referring to the E-TFCI e，ref The required L can be obtained in any case by taking the value of the number of CCTrCH bits allowed to be used, which is defined irrespective of the actual capabilities of the network and the UE e，ref Value of, thereby successfully configuring β ed，j，harq The value is obtained.
Drawings
FIG. 1 is a schematic view of the main flow of the method of the present invention;
fig. 2 is a schematic diagram of a main structure of the ue according to the present invention, which includes a channel configuration module according to the present invention.
Detailed Description
In order to solve the problems in the prior art, the technical idea provided by the invention is to carry out L e，ref The actual capability of the UE and the limitation of the network side are not considered in the calculation process of (1). That is, L is calculated using the total set of CCTrCH bit numbers without considering the number of CCTrCH bits allowed to be used, which is limited by the actual capabilities of the network and the UE e，ref In any case, the desired L can be obtained e，ref Value of, thereby successfully configuring β ed，j，harq The value is obtained.
As shown in fig. 1, the technical scheme of the invention comprises the following steps:
s101, transmitting E-DCH transmission format combination indication information corresponding to the current TTI to the user equipment by the network side;
the E-DCH transport format combination indication information is issued by using the format shown in table 2, which includes an E-DCH transport format indication value j (TB Index) and a reference power offset value;
s102, the user equipment inquires out the corresponding E-DCH channel transmission block bit number TB Size according to j;
and the user equipment queries the TB Size corresponding to the TB Index in the specified table 1.
S103, the user equipment determines a CCTrCH bit number complete set consisting of all CCTrCH bit numbers;
s104, the user equipment respectively calculates L e，ref And L and e，j ；
s105, the user equipment calculates the power offset value beta which needs to be configured for the current TTI of the E-DCH channel ed，j，harq ；
S106, the user equipment configures the power offset value beta required by the current TTI for the E-DCH channel ed，j，harq 。
β ed，j，harq The specific calculation of (a) is shown in formula 1, and the description is not repeated here.
Wherein, according to the technical scheme of the invention, L e，ref The calculation of (c) can be summarized as follows:
judging whether the first subset has CCTrCH bit number with corresponding E-DPDCH channel number being 1, if so, making L e，ref Is 1, and let N e，data，j Ending after the minimum CCTrCH bit number; otherwise, continuing to:
after the data volume with the same transmission block bit number is punched according to the maximum punching limit value configured at the network side, the CCTrCH bit number capable of meeting the transmission capability exists in the CCTrCH bit number complete set and the corresponding E-DPDCH channel number is 1, and then L is made e，ref Is 1, and let N e，data，j Ending after the maximum CCTrCH bit number; if there are CCTrCH bit numbers which can satisfy the transmission capability but the corresponding E-DPDCH channel numbers are allIf not 1, let L e，ref The number of E-DPDCH channels corresponding to the maximum CCTrCH bit number is defined as N e，data，j Ending after the maximum CCTrCH bit number; otherwise, continuing:
directly order L e，ref The number of E-DPDCH channels corresponding to the maximum CCTrCH bit number in the CCTrCH bit number complete set is defined, and N is set e，data，j And ending after the maximum CCTrCH bit number.
L e，ref One example of a specific calculation process of (a) is:
1>SET10＝{N 256 ，N 128 ，N 64 ，N 32 ，N 16 ，N 8 ，N 4 ，2×N 4 ，2×N 2 ，2×N 2 +2×N 4 }；
2>let SET11= { in SET10, N e，data Satisfies N e，data -N e，j The set of > =0 };
3> if the SET11 is not empty and the minimum Ne, data in the SET11 corresponds to the number of E-DPDCH of 1, then:
a) Let N e，data，j ＝min SET11；
4> otherwise:
b) Let SET12= { in SET10, N e，data Satisfies N e，data -PL torn-max ×N e，j The set of > =0 };
c) If SET12 is not empty:
i. the SET12 is sorted in ascending order (by N) e，data Size of (d);
ii, let N e，data ＝min SET12；
iii.While(N e，data Not the maximum value of the SET12 and the next N e，data The corresponding number of E-DPDCH is 1);
1. let N e，data = N in SET2 e，data The next one of (a);
iv.End while
v. order N e，data，j ＝N e，data ；
d) Otherwise:
i. let N e，data，j = SET10, N is satisfied e，data -PL max ×N e，j Maximum N of > =0 e，data 。
Description of variables:
N e，data the number of bits representing the CCTrCH;
N e，j representing the total bit number of TBSize corresponding to the transmission format j before rate matching;
N e，data，j the total bit number allowed to be transmitted in each TTI corresponding to the transmission format j is represented;
PL non-max indicating a puncturing limit value of a high layer configuration;
PL max indicating puncturing limit values determined by UE capabilities, except N e，data ＝2×N 2 +2×N 4 The user (2) takes a value of 0.33, but otherwise, the value is 0.44.
As can be seen from the above process, L is determined using the full set of CCTrCH bit numbers e，ref The required L can be obtained in any case by taking into account the number of CCTrCH bits allowed to be used, which is defined by the actual capabilities of the network and the UE e，ref Value of, thereby successfully configuring β ed，j，harq The value is obtained.
L e，j The specific calculation process of (2) is the same as that of the prior art, and can be summarized as follows:
the user equipment synchronously determines a second subset contained in the CCTrCH bit number complete set, wherein the CCTrCH bit number in the second subset is less than or equal to the transmission capability of the user equipment and the CCTrCH bit number allowed to be used by the user equipment by a network side;
the user equipment determines a third subset contained in the second subset, wherein the number of each CCTrCH bit of the third subset is more than or equal to the data volume to be transmitted in the current TTI of the user equipment;
if it is thirdIf the minimum number of CCTrCH bits exists in the subset and the number of E-DPDCH channels corresponding to the minimum number of CCTrCH bits is 1, L is assigned e，j Ending after the value is 1; otherwise:
after the actual data volume to be transmitted of the current TTI is subjected to the hole punching processing according to the maximum punching limit value configured on the network side, if the CCTrCH bit number capable of meeting the transmission capability exists in the second subset and the number of the corresponding E-DPDCH channels is 1, the L is enabled to be the same as the L e，j 1, if there are CCTrCH bit numbers capable of meeting the transmission capability but the number of corresponding E-DPDCH channels is not 1, let L e，j Ending after the number of the E-DPDCH channels corresponding to the maximum CCTrCH bit number; otherwise:
after the actual data volume to be transmitted of the current TTI is punched according to the punching limit determined by the user equipment capability, the maximum CCTrCH bit number which can meet the transmission capability in the second subset is inquired, and L is ordered e，j The number of E-DPDCH channels corresponding to the maximum CCTrCH bit number.
L e，j One example of a specific calculation process of (a) is:
1>SET20＝{N 256 ，N 128 ，N 64 ，N 32 ，N 16 ，N 8 ，N 4 ，2×N 4 ，2×N 2 ，2×N 2 +2×N 4 a subset of the CCTrCH is determined according to the UE capability and the maximum CCTrCH bit number allowed to be used by the user at the network side;
2>let SET21= { in SET20, N e，data Satisfies N e，data -N e，j The set of > =0 };
3>if SET21 is not empty and the smallest N in SET21 e，data If the corresponding number of E-DPDCH is 1, then:
a) Let N e，dataj ＝min SET21；
4> otherwise:
a) Let SET22= { in SET20, N e，data Satisfies N e，data -PL non-max ×N e，j Set of > =0 };
b) If SET22 is not empty:
i. the SET22 is sorted in ascending order (by N) e，data Size of (d);
ii, let N e，data ＝min SET22
iii.While(N e，data Not the maximum value of the SET22 and the next N e，data The corresponding number of E-DPDCH is 1);
1. let N e，data = N in SET22 e，data The next of (2);
iv.End while
v. order N e，data，j ＝N e，data ；
c) Otherwise:
i. let N e，data，j = SET20, satisfies N e，data -PL max ×N e，j Maximum N of > =0 e，data 。
Description of variables:
N e，data the number of bits representing the CCTrCH;
N e，j representing the actual total number of bits to be sent in each TTI before rate matching;
N e，data，j the total bit number allowed to be transmitted in each TTI corresponding to the transmission format j is represented;
PL non-max 1-PL indicating puncturing limit value of higher layer configuration, protocol configuration non-max A maximum value of 0.44;
PL max indicating a puncturing limit value determined by the UE capability, except for UE support and network support N e，data ＝ 2×N 2 +2×N 4 The user value of (2) is not 0.33, but is 0.44 in other cases.
As shown in fig. 2, in order to implement the user equipment 200 according to the technical solution of the present invention, in addition to the transceiver module 201, the user equipment further includes a channel configuration module 202 according to the present invention, which has a specific structure that:
a transceiver module 201, configured to receive an E-DCH transport format indication value and a reference power configuration value corresponding to a current TTI issued by a network side;
a channel configuration module 202, connected to the transceiver module 201, for configuring the E-DCH channel with reference to the E-TFCI;
the channel configuration module 202 includes:
the query submodule 2021, which is connected to the transceiver module 201, queries the bit number of the corresponding E-DCH channel transport block according to the indicated value of the E-DCH transport format in the E-TFCI indicated information;
the complete set determining submodule 2022 determines a complete set of CCTrCH bit numbers consisting of all CCTrCH bit numbers;
a first subset determining sub-module 2023, connected to the querying sub-module 2021, for determining a first subset included in the total set of CCTrCH bit numbers, where the number of CCTrCH bit in each of the first subset is greater than the number of transport block bits;
a first channel number determining sub-module 2024, connected to the first subset determining sub-module 2023 and the full set determining sub-module 2022, respectively, for determining the L required for the current TTI to transmit the data amount equal to the number of bits of the transport block according to the full set and the first subset of the number of CCTrCH bits e，ref ；
A second subset determining submodule 2025, connected to the complete set determining submodule 2022, for determining a second subset included in the complete set of CCTrCH bit numbers, where the number of CCTrCH bits in the second subset is less than or equal to the transmission capability of the user equipment itself and the number of CCTrCH bits allowed to be used by the user equipment on the network side;
a third subset determining sub-module 2026, connected to the second subset determining sub-module 2025, for determining a third subset included in the second subset, where the number of CCTrCH bits of each of the third subset is greater than or equal to the amount of data to be transmitted in the current TTI of the user equipment;
a second channel number determining sub-module 2027, respectively connected to the second subset determining sub-module 2025 and the third subset determining sub-module 2026, for determining the L required for transmitting the actual data amount to be transmitted of the current TTI e，j 。
The configuration sub-module 2028 is respectively connected to the first channel number determining sub-module 2024, the second channel number determining sub-module 2027, and the transceiver module 201, and calculates and configures the power offset value of the E-DCH channel used in the current TTI according to formula 1.
The first channel number determining submodule specifically includes:
if the minimum CCTrCH bit number with the corresponding E-DPDCH channel number of 1 exists in the first subset, the L is ordered e，ref A functional unit of 1;
after the data volume with the same transmission block bit number is punched according to the maximum punching limit value configured at the network side, the CCTrCH bit number capable of meeting the transmission capability exists in the CCTrCH bit number complete set and the corresponding E-DPDCH channel number is 1, and then L is made e，ref Is 1, if there is one that can satisfy the transmissionIf the number of CCTrCH bits is not 1, then let L e，ref The function unit is the number of E-DPDCH channels corresponding to the maximum CCTrCH bit number;
let L e，ref And the functional unit is the E-DPDCH channel number corresponding to the maximum CCTrCH bit number in the CCTrCH bit number complete set.
The second channel number determination submodule specifically includes:
judging the minimum CCTrCH bit number existing in the third subset and the E-DPDCH channel number corresponding to the minimum CCTrCH bit number is 1, and making L e，j A functional unit of 1;
after the actual data volume to be transmitted of the current TTI is subjected to the hole punching processing according to the maximum punching limit value configured on the network side, if the CCTrCH bit number capable of meeting the transmission capability exists in the second subset and the number of the corresponding E-DPDCH channels is 1, the L is enabled to be the same as the L e，j 1, if there are CCTrCH bit numbers capable of meeting the transmission capability but the number of corresponding E-DPDCH channels is not 1, let L e，j The function unit is the number of E-DPDCH channels corresponding to the maximum CCTrCH bit number; and
after the actual data volume to be transmitted of the current TTI is punched according to the punching limit determined by the user equipment capability, the maximum CCTrCH bit number which can meet the transmission capability in the second subset is inquired, and L is ordered e，j The functional units are the E-DPDCH channels corresponding to the maximum CCTrCH bit number.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims (12)

1. A method for configuring an E-DCH channel, comprising the steps of:
the user equipment receives an E-DCH transmission format indicated value corresponding to the current TTI issued by the network side and inquires the E-DCH channel transmission block bit number corresponding to the transmission format indicated value;
the user equipment determines a CCTrCH bit number complete set consisting of all CCTrCH bit numbers and a first subset contained in the CCTrCH bit number complete set, wherein the CCTrCH bit number in each first subset is greater than the bit number of the transmission block;
the user equipment determines the number of first E-DPDCH channels required when the data quantity equal to the bit number of the transmission block is transmitted in the current TTI according to the CCTrCH bit number total set and the first subset;
and the user equipment calculates and configures the power offset value of the E-DCH channel used by the current TTI by referring to the number of the first E-DPDCH channels.
2. The method of claim 1, wherein the method further comprises:
the user equipment also determines a second subset contained in the CCTrCH bit number complete set, wherein the CCTrCH bit number in the second subset is less than or equal to the transmission capability of the user equipment and the CCTrCH bit number allowed to be used by the user equipment by a network side;
the user equipment determines a third subset contained in the second subset, wherein the number of CCTrCH bits of the third subset is more than or equal to the data volume to be transmitted in the current TTI of the user equipment;
the user equipment determines the number of second E-DPDCH channels required for transmitting the data volume to be transmitted in the current TTI according to the second subset and the third subset;
and the user equipment also calculates and configures the power offset value of the E-DCH channel used by the current TTI by referring to the number of the second E-DPDCH channels.
3. The method of claim 2,
the user equipment also receives an E-DCH channel reference power offset value issued by the network side; and is provided with
The method for calculating the E-DCH channel power offset value used by the current TTI comprises the following steps:
Figure A2006101522360002C1
wherein: beta is a beta ed，j，harq The E-DCH channel power offset value used for the current TTI;
β ed，ref reference power offset value of E-DCH channel configured for network side;
K e，ref the number of bits of an E-DCH channel transmission block corresponding to the current TTI is obtained;
L e，ref the number of the first E-DPDCH channels;
K e，j the data volume to be transmitted for the current TTI of the user equipment is obtained;
L e，j is the second E-DPDCH channel number;
Δ harq is a bias constant for the current traffic.
4. The method of claim 1, wherein the number of the first E-DPDCH channels is determined by:
if the minimum CCTrCH bit number with the corresponding E-DPDCH channel number being 1 exists in the first subset, the first E-DPDCH channel number is made to be 1; otherwise:
after the data volume with the same number of bits of the transmission blocks is subjected to punching processing according to the maximum punching limit value configured at the network side, if the CCTrCH bit number capable of meeting the transmission capability exists in the CCTrCH bit number complete set and the number of the corresponding E-DPDCH channels is 1, the number of the first E-DPDCH channels is made to be 1, and if the CCTrCH bit number capable of meeting the transmission capability exists but the number of the corresponding E-DPDCH channels is not 1, the number of the first E-DPDCH channels is made to be the number of the E-DPDCH channels corresponding to the maximum CCTrCH bit number; otherwise:
and enabling the number of the first E-DPDCH channels to be the number of the E-DPDCH channels corresponding to the maximum CCTrCH bit number in the CCTrCH bit number full set.
5. The method of claim 2, wherein the number of the second E-DPDCH channels is determined by:
if the minimum CCTrCH bit number exists in the second subset and the E-DPDCH channel number corresponding to the minimum CCTrCH bit number is 1, making the second E-DPDCH channel number be 1; otherwise, the following steps:
after the actual data volume to be transmitted of the current TTI is subjected to the hole punching processing according to the maximum punching limit value configured on the network side, if the CCTrCH bit number capable of meeting the transmission capability exists in the second subset and the number of the corresponding E-DPDCH channels is 1, the number of the second E-DPDCH channels is made to be 1, and if the CCTrCH bit number capable of meeting the transmission capability exists but the number of the corresponding E-DPDCH channels is not 1, the number of the second E-DPDCH channels is made to be the number of the E-DPDCH channels corresponding to the maximum CCTrCH bit number; otherwise:
and after the actual data volume to be transmitted of the current TTI is subjected to the hole punching processing according to the punching limit determined by the user equipment capability, inquiring the maximum CCTrCH bit number capable of meeting the transmission capability in the first subset, and enabling the number of the second E-DPDCH channels to be the number of the E-DPDCH channels corresponding to the maximum CCTrCH bit number.
6. The method of any of claims 1 to 5, wherein the CCTrCH bit number corpus is { N } 256 ，N 128 ，N 64 ，N 32 ，N 16 ，N 8 ，N 4 ，2×N 4 ，2×N 2 ，2×N 2 +2×N 4 }。
7. A kind of signal channel configuration module, including inquiring the submodule, is used for inquiring the correspondent E-DCH signal channel transport block bit number according to E-DCH transport format indicated value in E-TFCI indicated information; wherein the channel configuration module further comprises:
a complete set determining submodule connected with the query submodule and used for determining a CCTrCH bit number complete set consisting of all CCTrCH bit numbers;
a first subset determining submodule, connected to the full set determining submodule, for determining a first subset contained in the full set of CCTrCH bit numbers, where each CCTrCH bit number in the first subset is greater than the bit number of the transport block;
a first channel number determining submodule which is respectively connected with the full set determining submodule and the first subset determining submodule and determines the number of first E-DPDCH channels required when the data quantity equal to the bit number of the transmission block is transmitted in the current TTI according to the full set and the first subset of the CCTrCH bit number;
and the configuration sub-module is connected with the first channel number determining sub-module, calculates and configures the E-DCH channel power offset value used by the current TTI by referring to the first E-DPDCH channel number.
8. The channel configuration module of claim 7, wherein the channel configuration module further comprises:
a second subset determining submodule, connected to the full set determining submodule, for determining a second subset contained in a full set of CCTrCH bit numbers, where the number of CCTrCH bit in the second subset is less than or equal to the transmission capability of the user equipment itself and the number of CCTrCH bit allowed to be used by the user equipment on the network side;
a third subset determining submodule, connected to the second subset determining submodule, for determining a third subset contained in the second subset, wherein the number of bits of each CCTrCH of the third subset is greater than or equal to the amount of data to be transmitted in the current TTI of the user equipment;
and the second channel number determining sub-module is respectively connected with the second subset determining sub-module, the third subset determining sub-module and the configuration sub-module, determines the number of second E-DPDCH channels required by transmitting the data quantity to be transmitted in the current TTI according to the second subset and the third subset, and the configuration sub-module calculates and configures the power offset value of the E-DCH channel corresponding to the current TTI by referring to the number of the first E-DPDCH channels and the number of the second E-DPDCH channels.
9. The channel configuration module of claim 8 wherein said configuration sub-module further receives and outputs an E-DCH channel reference power offset value to said configuration sub-module; the configuration sub-module calculates the E-DCH channel power offset value used by the current TTI according to the following method:
Figure A2006101522360005C1
wherein: beta is a ed，j，harq The E-DCH channel power offset value used for the current TTI;
β ed，ref reference power offset value of E-DCH channel configured at network side;
K e，ref e-plus corresponding to the current TTINumber of bits of transport blocks of DCH channels;
L e，ref the number of the first E-DPDCH channels;
K e，j the data volume to be transmitted for the current TTI of the user equipment is obtained;
L e，j is the second E-DPDCH channel number;
Δ harq is a bias constant for the current traffic.
10. The channel configuration module of claim 7, wherein the first channel number determining submodule specifically comprises:
judging whether a minimum CCTrCH bit number with the corresponding E-DPDCH channel number of 1 exists in the first subset, and enabling the first E-DPDCH channel number to be 1;
after the data volume with the same number of bits of the transmission block is subjected to punching processing according to a maximum punching limit value configured on a network side, if a CCTrCH bit number capable of meeting the transmission capability exists in a CCTrCH bit number complete set and the number of corresponding E-DPDCH channels is 1, making the number of the first E-DPDCH channels be 1, and if the CCTrCH bit number capable of meeting the transmission capability exists but the number of the corresponding E-DPDCH channels is not 1, making the number of the first E-DPDCH channels be a functional unit of the number of the E-DPDCH channels corresponding to the maximum CCTrCH bit number;
and the number of the first E-DPDCH channels is the number of the E-DPDCH channels corresponding to the maximum CCTrCH bit number in the CCTrCH bit number full set.
11. The channel configuration module of claim 8, wherein the second channel number determination submodule specifically includes:
a functional unit for determining the minimum number of CCTrCH bits existing in the third subset and the number of E-DPDCH channels corresponding to the minimum number of CCTrCH bits is 1, and making the number of the second E-DPDCH channels be 1;
after the actual data volume to be transmitted of the current TTI is subjected to hole punching processing according to the maximum punching limit value configured on the network side, judging that CCTrCH bit numbers capable of meeting the transmission capability exist in the second subset and the number of the corresponding E-DPDCH channels is 1, enabling the number of the second E-DPDCH channels to be 1, and if CCTrCH bit numbers capable of meeting the transmission capability exist but the number of the corresponding E-DPDCH channels is not 1, enabling the number of the second E-DPDCH channels to be a functional unit of the number of the E-DPDCH channels corresponding to the maximum CCTrCH bit numbers;
and after the actual data volume to be transmitted of the current TTI is subjected to the hole punching processing according to the punching limit determined by the user equipment capability, inquiring the maximum CCTrCH bit number capable of meeting the transmission capability in the second subset, and making the number of the second E-DPDCH channels be the functional unit of the number of the E-DPDCH channels corresponding to the maximum CCTrCH bit number.
12. A ue, comprising a transceiver module, configured to receive an E-DCH transport format indicator value and an E-DCH channel reference power offset value corresponding to a current TTI issued by a network side, wherein the ue further comprises a channel configuration module according to claims 7 to 11, connected to the transceiver module, and configured to configure the power offset value of the E-DCH channel with reference to the E-DCH channel transport block bit number and the E-DCH channel reference power offset value corresponding to the E-TFCI indicator.
CN200610152236A 2006-09-20 2006-09-20 Method for configuring E-DCH channel, channel configuration module and user device Expired - Fee Related CN100584094C (en)

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