CN101304545B - Method for reinforcing size collocation of special channel transmission block in the 3rd generation mobile communication - Google Patents
Method for reinforcing size collocation of special channel transmission block in the 3rd generation mobile communication Download PDFInfo
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Abstract
The invention relates to a method for strengthening the configuration of private channel transmission block size in third generation mobile communication, comprising obtaining the combined instructions of transmission format E-TFCI of strengthening private channel E-DCH, obtaining the corresponding E-TFCI value by the E-TFCI coding, carrying out the calculating operation of protocol data unit factor PDU-factor according to the E-TFCI value, carrying out the calculating operation of mode factor MOD-factor according to the E-TFCI value, calculating the value of transmission block size TBS for strengthening the private channel E-DCH according to formulas, and carrying out the configuration of the corresponding transmission block size for strengthening the private channel. The application of the method of strengthening the configuration of private channel transmission block size in the third generation mobile communication saves the occupation of memory space, improves the execution efficiency of system, can better meet the requirement of high traffic and high speed real-time data transmission, has stable and reliable operating performance and wider application range, and lays firm foundation of further development of transmission channel technology in the third generation mobile communication.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly the 3-G (Generation Three mobile communication system) field specifically is meant the method that strengthens dedicated channel transmission block size configure in a kind of 3G (Third Generation) Moblie.
Background technology
Modern communications just develops towards direction broadband, intelligent, individualized and service integrationization.In order to satisfy the growing demand of people to communication, be necessary the seamless unoccupied place of the broadband services of cable network support is expanded in the wireless network, following wireless communication networks also should be supported the comprehensive transmission and the exchange of multiple medium multiple business such as speech, data and image.
The purpose that ITU-T proposes 3-G (Generation Three mobile communication system) is in order to provide second generation mobile communication system that the wide-band mobile communication business that can't provide is provided because of technology.IMT2000 Radio Transmission Technology (RTT) motion at present has 16 more than, and wherein ground system RTT motion has 10, and the RTT motion of moving satellite system has 6.The CDMA2000 system that two big main candidate schemes of third generation digital cellular mobile communication systems are North Americas and WCDMA (Wideband Code Division Multiple Access (WCDMA)) system in Europe.
Following wireless network will be based on the information network that moves with broadband networks, and its development need solves three subject matters:
(1) the seamless addressing of various telecommunication services inserts;
(2) quality of service of mobile communication is subjected to the restriction of wireless channel;
(3) realize intellectuality, multimedization and personalized various application.
Therefore, people to the expectation target of 3G (Third Generation) Moblie are: can realize international roaming, fixing/as to move seamless multimedia service, make fixing and mobile communication system fusion one.
And in the WCDMA mobile communication system, TS25.321 mainly is the agreement relevant with the medium access control, wherein, stipulated the signaling control information of E-DCH, and transmission block size (TBS) is exactly the part of this signaling control information.4 forms have been defined in this section in the agreement, each form all is that (E-TFCI is the transformat combination indication that strengthens dedicated channel E-DCH to E-TFCI, terminal obtains the E-TFCI value by E-TFCI decoding) and the corresponding relation of TBS (transmission block size), concrete which form that uses is specified by top signaling.These 4 forms are respectively 10msTTI form 0,10msTTI form 1, and 2msTTI form 0,2msTTI form 1 sees also shown in Figure 1.And, also defined the formula of 10msTTI form 0 and 2msTTI form 0 in the agreement, still, 10msTTI form 1 and 2msTTI form 1 agreement but do not provide formula definition.
Normally, it is directly to be stored in the internal memory of DSP that this class is not used the form of formula definition, when needs are quoted numerical value in the form, indexes corresponding address according to base address and side-play amount, reads the memory contents of corresponding address.Yet, this inquiry mode has taken the memory headroom of DSP, such as above-mentioned 10ms TTI E-DCH TBS form 1, need take 120 half-words (i.e. 240 bytes), for the better simply DSP of function ratio, not only consumed more memory source, and inquiry velocity is slower, inefficiency can't satisfy the actual needs that the high traffic high-speed real-time transmits.
Summary of the invention
The objective of the invention is to have overcome above-mentioned shortcoming of the prior art, the method that provide a kind of and can save that memory headroom, raising system are carried out efficient, can better be satisfied high traffic high-speed real-time transmission needs, runnability is reliable and stable, the scope of application strengthens dedicated channel transmission block size configure comparatively widely in the 3G (Third Generation) Moblie.
In order to realize above-mentioned purpose, the method that strengthens dedicated channel transmission block size configure in the 3G (Third Generation) Moblie of the present invention is as follows:
Strengthen the method for dedicated channel transmission block size configure in this 3G (Third Generation) Moblie, its main feature is that described method may further comprise the steps:
(1) mobile subscriber terminal obtains to strengthen the transformat combination indication E-TFCI of dedicated channel E-DCH;
(2) mobile subscriber terminal obtains corresponding E-TFCI value by E-TFCI decoding;
(3) carry out the calculating operation of protocol Data Unit FACTOR P DU_factor according to this E-TFCI value;
(4) carry out the calculating operation of mode coefficient MOD_factor according to this E-TFCI value;
(5) calculate the numerical value of the transmission block size TBS that strengthens dedicated channel E-DCH according to following formula:
TBS＝PDU_factor×168+MOD_factor×18；
(6) mobile subscriber terminal is configured corresponding enhancing dedicated channel transmission block size according to the numerical value of this transmission block size TBS.
The calculating operation of the protocol Data Unit FACTOR P DU_factor of the method for enhancing dedicated channel transmission block size configure may further comprise the steps in this 3G (Third Generation) Moblie:
(1) if the E-TFCI value is 0, protocol Data Unit FACTOR P DU_factor=0 then;
(2) if the E-TFCI value between 1～24, is then calculated the numerical value of this protocol Data Unit FACTOR P DU_factor according to following formula:
PDU_factor=floor ((E-TFCI value+1)/2), wherein floor () is downward rounding operation symbol;
(3) if the E-TFCI value between 25～110, is then calculated the numerical value of this protocol Data Unit FACTOR P DU_factor according to following formula:
PDU_factor=floor ((E-TFCI value-11)/2) * 2;
(4) if the E-TFCI value between 111～120, is then calculated the numerical value of this protocol Data Unit FACTOR P DU_factor according to following formula:
PDU_factor=floor ((E-TFCI value-61)/2) * 4+2.
The calculating operation of the mode coefficient MOD_factor of the method for enhancing dedicated channel transmission block size configure may further comprise the steps in this 3G (Third Generation) Moblie:
(1) if the E-TFCI value is 0, mode coefficient MOD_factor=1 then;
(2) if the E-TFCI value between 1～32, is then calculated the numerical value of this mode coefficient MOD_factor according to following formula:
MOD_factor=(E-TFCI value-1) %2+1;
Wherein floor () is downward rounding operation symbol, and % is the modulo operation symbol;
(3) if the E-TFCI value between 33～54, is then calculated the numerical value of this mode coefficient MOD_factor according to following formula:
MOD_facto=(E-TFCI value-1) %2+2;
(4) if the E-TFCI value between 55～76, is then calculated the numerical value of this mode coefficient MOD_factor according to following formula:
MOD_factor=((E-TFCI value-1) %2) * 2+2;
(5) if the E-TFCI value between 77～96, is then calculated the numerical value of this mode coefficient MOD_factor according to following formula:
MOD_facto=((E-TFCI value-1) %2) * 3+2;
(6) if the E-TFCI value between 97～114, is then calculated the numerical value of this mode coefficient MOD_factor according to following formula:
MOD_factor=((E-TFCI value-1) %2) * 4+2;
(7) if the E-TFCI value between 115～120, is then calculated the numerical value of this mode coefficient MOD_factor according to following formula:
MOD_factor=((E-TFCI value-1) %2) * 5+2.
Adopted the method that strengthens dedicated channel transmission block size configure in the 3G (Third Generation) Moblie of this invention, because the numerical value of transport block size TBS has certain rules, basically be the adding up of multiple of 168 multiple and 18, thereby can calculate the numerical value of the pairing transmission block size of the transformat combination indication E-TFCI TBS of dedicated channel E-DCH according to formula according to the coefficient MOD_factor of 168 FACTOR P DU_factor and 18, thereby pass through formula, as long as the index value of a given input, just can directly calculate the transmission block size of manipulative indexing, and will whole table storage in internal memory, thereby saved taking of memory headroom, and improved the execution efficient of system, can satisfy high traffic high-speed real-time transmission needs preferably, runnability is reliable and stable simultaneously, the scope of application is comparatively extensive, for further developing of transmission channel technology in the 3G (Third Generation) Moblie established solid foundation.
Description of drawings
Fig. 1 is that the 10ms TTI in the TS25.321 agreement of WCDMA strengthens the dedicated channel transmission block size table of comparisons.
Fig. 2 is the overall flow figure that strengthens the method for dedicated channel transmission block size configure in the 3G (Third Generation) Moblie of the present invention.
Fig. 3 is the calculating operation flow chart of protocol Data Unit FACTOR P DU_factor of the present invention.
Fig. 4 is the calculating operation flow chart of mode coefficient MOD_factor of the present invention.
Embodiment
In order more to be expressly understood technology contents of the present invention, describe in detail especially exemplified by following examples.
See also Fig. 2 to shown in Figure 4, strengthen the method for dedicated channel transmission block size configure in this 3G (Third Generation) Moblie, comprising following steps:
(1) mobile subscriber terminal obtains to strengthen the transformat combination indication E-TFCI of dedicated channel E-DCH;
(2) mobile subscriber terminal obtains corresponding E-TFCI value by E-TFCI decoding;
(3) carry out the calculating operation of protocol Data Unit FACTOR P DU_factor according to this E-TFCI value, may further comprise the steps:
(a) if the E-TFCI value is 0, protocol Data Unit FACTOR P DU_factor=0 then;
(b) if the E-TFCI value between 1～24, is then calculated the numerical value of this protocol Data Unit FACTOR P DU_factor according to following formula:
PDU_factor=floor ((E-TFCI value+1)/2), wherein floor () is downward rounding operation symbol;
(c) if the E-TFCI value between 25～110, is then calculated the numerical value of this protocol Data Unit FACTOR P DU_factor according to following formula:
PDU_factor=floor ((E-TFCI value-11)/2) * 2;
(d) if the E-TFCI value between 111～120, is then calculated the numerical value of this protocol Data Unit FACTOR P DU_factor according to following formula:
PDU_factor=floor ((E-TFCI value-61)/2) * 4+2;
(4) carry out the calculating operation of mode coefficient MOD_factor according to this E-TFCI value, may further comprise the steps:
(a) if the E-TFCI value is 0, mode coefficient MOD_factor=1 then;
(b) if the E-TFCI value between 1～32, is then calculated the numerical value of this mode coefficient MOD_factor according to following formula:
MOD_factor=(E-TFCI value-1) %2+1;
Wherein floor () is downward rounding operation symbol, and % is the modulo operation symbol;
(c) if the E-TFCI value between 33～54, is then calculated the numerical value of this mode coefficient MOD_factor according to following formula:
MOD_facto=(E-TFCI value-1) %2+2;
(d) if the E-TFCI value between 55～76, is then calculated the numerical value of this mode coefficient MOD_factor according to following formula:
MOD_factor=((E-TFCI value-1) %2) * 2+2;
(e) if the E-TFCI value between 77～96, is then calculated the numerical value of this mode coefficient MOD_factor according to following formula:
MOD_facto=((E-TFCI value-1) %2) * 3+2;
(f) if the E-TFCI value between 97～114, is then calculated the numerical value of this mode coefficient MOD_factor according to following formula:
MOD_factor=((E-TFCI value-1) %2) * 4+2;
(g) if the E-TFCI value between 115～120, is then calculated the numerical value of this mode coefficient MOD_factor according to following formula:
MOD_factor=((E-TFCI value-1) %2) * 5+2;
(5) calculate the numerical value of the transmission block size TBS that strengthens dedicated channel E-DCH according to following formula:
TBS＝PDU_factor×168+MOD_factor×18；
(6) mobile subscriber terminal is configured corresponding enhancing dedicated channel transmission block size according to the numerical value of this transmission block size TBS.
In the middle of practical application, method of the present invention is based on following rule and concludes and to draw:
Make discovery from observation, TBS numerical value has certain rules, and basically, it is the adding up of multiple of 168 multiple and 18.Thereby can define 168 coefficient is protocol Data Unit FACTOR P DU_factor, and the coefficient of definition 18 is mode coefficient MOD_factor.PDU_factor is determined that by the merchant that TBS/168 obtains MOD_factor is determined by the remainder that TBS/168 obtains.Utilize this relation, can define its realization function:
TBS(k)＝PDU_factor×168+MOD_factor×18。
In addition,, need the different coefficient of segmentation definition, be exemplified below because the numerical value in the form among Fig. 1 is not pure linear relationship:
(1) at first, definition k is the E-TFCI value, and span is 0～120.
(a) k is 0 o'clock, and the TBS value is 18, and TBS/168 merchant is 0, and remainder is 18, and then PDU_factor is 0, and MOD_factor is 1;
When (b) k was a numerical value between 1～24, by calculating TBS/168, the merchant who obtains was followed successively by 1,1,2,2,3,3......, PDU_factor is defined as thus: (k+1)/2 round downwards, expression formula is floor (k+1)/2), wherein, the operator of floor () for rounding downwards.
(2) remainder of TBS/168 be 18,36,18,36......, according to the rule of these group data, it is as follows to define 18 coefficient:
MOD_factor＝(k-1)％2+1。
For other k value,, can draw correct actual numerical value as long as adjust the coefficient of corresponding 168 coefficients and 18.
The process of its specific implementation is as follows:
1, the merchant according to k value and TBS/168 determines PDU_factor
(1) if the k value is 0, the TBS value is 18, calculates 18/168, and the merchant is 0, and then PDU_factor is 0;
(2), obtain the merchant and be 1,1,2,2,3,3......, and along with the increase of k value increases progressively, then PDU_factor is defined as floor ((k+1)/2) if the k value between 1～24, is calculated TBS/168;
(3), obtain the merchant and be 14,14,16,16,18,18......, and along with the increase of k value and increase progressively, PDU_factor is defined as floor (k-11)/2 if the k value between 25～110, is calculated TBS/168) * 2;
(4), obtain the merchant and be 102,102,106,106,110,110......, and along with the increase of k value and increase progressively, PDU_factor is defined as floor ((k-61)/2) * 4+2 if the k value between 111～120, is calculated TBS/168.
2, determine MOD_factor according to the k value
(1) if the k value is 0, the TBS value is 18, calculates 18/168, and remainder is 18, and then MOD_factor is 1;
(2) if the k value between 1～32, is calculated TBS/168, obtain that remainder is followed successively by 18,36,18,36,18,36......, and circulate along with k value increases, MOD_factor is defined as (k-1) %2+1;
(3) if the k value between 33～54, is calculated TBS/168, obtain that remainder is followed successively by 36,54,36,54,36,54......, and circulate along with k value increases, MOD_factor is defined as (k-1) %2+2;
(4) if the k value between 55～76, is calculated TBS/168, obtain that remainder is followed successively by 36,72,36,72,36,72......, and circulate along with k value increases, MOD_factor is defined as ((k-1) %2) * 2+2;
(5) if the k value between 77～96, is calculated TBS/168, obtain that remainder is followed successively by 36,90,36,90,36,90......, and circulate along with k value increases, MOD_factor is defined as ((k-1) %2) * 3+2;
(6) if the k value between 97～114, is calculated TBS/168, obtain that remainder is followed successively by 36,108,36,108,36,108......, and circulate along with k value increases, MOD_factor is defined as ((k-1) %2) * 4+2;
(7) if the k value between 115～120, is calculated TBS/168, obtain that remainder is followed successively by 36,126,36,126,36,126......, and circulate along with k value increases, MOD_factor is defined as ((k-1) %2) * 5+2.
3, calculate transmission block size TBS
Determined PDU_factor and MOD_factor, just can directly calculate the value of TBS by following formula:
TBS(k)＝PDU_factor×168+MOD_factor×18。
According to above method of the present invention, for the value of k at different piecewise intervals, part result of calculation is exemplified below:
(1) during k=0, PDU_factor=0, MOD_factor=1,
So, TBS (0)=0 * 168+1 * 18=18;
(2) during k=3, PDU_factor=2, MOD_factor=1,
So, TBS (3)=2 * 168+1 * 18=354;
(3) during k=36, PDU_factor=24, MOD_factor=3,
So, TBS (36)=24 * 168+3 * 18=4086;
(4) during k=58, PDU_factor=46, MOD_factor=4,
So, TBS (58)=46 * 168+4 * 18=7800
(5) during k=78, PDU_factor=66, MOD_factor=5,
So, TBS (78)=66 * 168+5 * 18=11178;
(6) during k=113, PDU_factor=106, MOD_factor=2,
So, TBS (113)=106 * 168+2 * 18=17844;
(7) during k=118, PDU_factor=114, MOD_factor=7,
So, TBS (118)=114 * 168+7 * 18=19278.
By above result of calculation as can be seen, the agreement tables result among this result and Fig. 1 is in full accord.
Thereby in the computer programming process, when carrying out function definition, the definition form is as follows:
if?k＝0
PDU_factor＝0
elseif?k≤24
PDU_factor＝floor((k+1)/2)
elseif?k≤110
PDU_factor＝floor((k-11)/2)*2
else
PDU_factor＝floor((k-61)/2)*4+2
if?k＝0
MOD_factor＝1
elseif?k≤32
MOD_factor＝(k-1)％2+1
elseif?k≤54
MOD_factor＝((k-1)％2)+2
elseif?k≤76
MOD_factor＝((k-1)％2)*2+2
elseif?k≤96
MOD_factor＝((k-1)％2)*3+2
elseif?k≤114
MOD_factor＝((k-1)％2)*4+2
else
MOD_factor＝((k-1)％2)*5+2
TBS(k)＝PDU_factor*168+MOD_factor* 18
Adopted the method that strengthens dedicated channel transmission block size configure in the above-mentioned 3G (Third Generation) Moblie, because the numerical value of transport block size TBS has certain rules, basically be the adding up of multiple of 168 multiple and 18, thereby can calculate the numerical value of the pairing transmission block size of the transformat combination indication E-TFCI TBS of dedicated channel E-DCH according to formula according to the coefficient MOD_factor of 168 FACTOR P DU_factor and 18, thereby pass through formula, as long as the index value of a given input, just can directly calculate the transmission block size of manipulative indexing, and will whole table storage in internal memory, thereby saved taking of memory headroom, and improved the execution efficient of system, can satisfy high traffic high-speed real-time transmission needs preferably, runnability is reliable and stable simultaneously, the scope of application is comparatively extensive, for further developing of transmission channel technology in the 3G (Third Generation) Moblie established solid foundation.
In this specification, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (1)
1. strengthen the method for dedicated channel transmission block size configure in the 3G (Third Generation) Moblie, it is characterized in that described method may further comprise the steps:
(1) mobile subscriber terminal obtains to strengthen the transformat combination indication E-TFCI of dedicated channel E-DCH;
(2) mobile subscriber terminal obtains corresponding E-TFCI value by E-TFCI decoding;
(3) carry out the calculating operation of protocol Data Unit FACTOR P DU_factor according to this E-TFCI value, may further comprise the steps:
(a) if the E-TFCI value is 0, protocol Data Unit FACTOR P DU_factor=0 then;
(b) if the E-TFCI value between 1～24, is then calculated the numerical value of this protocol Data Unit FACTOR P DU_factor according to following formula:
PDU_factor=floor ((E-TFCI value+1)/2), wherein floor () is downward rounding operation symbol;
(c) if the E-TFCI value between 25～110, is then calculated the numerical value of this protocol Data Unit FACTOR P DU_factor according to following formula:
PDU_factor=floor ((E-TFCI value-11)/2) * 2;
(d) if the E-TFCI value between 111～120, is then calculated the numerical value of this protocol Data Unit FACTOR P DU_factor according to following formula:
PDU_factor=floor ((E-TFCI value-61)/2) * 4+2;
(4) carry out the calculating operation of mode coefficient MOD_factor according to this E-TFCI value, may further comprise the steps:
(a) if the E-TFCI value is 0, mode coefficient MOD_factor=1 then;
(b) if the E-TFCI value between 1～32, is then calculated the numerical value of this mode coefficient MOD_factor according to following formula:
MOD_factor=(E-TFCI value-1) %2+1;
Wherein % is the modulo operation symbol;
(c) if the E-TFCI value between 33～54, is then calculated the numerical value of this mode coefficient MOD_factor according to following formula:
MOD_factor=(E-TFCI value-1) %2+2;
(d) if the E-TFCI value between 55～76, is then calculated the numerical value of this mode coefficient MOD_factor according to following formula:
MOD_factor=((E-TFCI value-1) %2) * 2+2;
(e) if the E-TFCI value between 77～96, is then calculated the numerical value of this mode coefficient MOD_factor according to following formula:
MOD_factor=((E-TFCI value-1) %2) * 3+2;
(f) if the E-TFCI value between 97～114, is then calculated the numerical value of this mode coefficient MOD_factor according to following formula:
MOD_factor=((E-TFCI value-1) %2) * 4+2;
(g) if the E-TFCI value between 115～120, is then calculated the numerical value of this mode coefficient MOD_factor according to following formula:
MOD_factor=((E-TFCI value-1) %2) * 5+2;
(5) calculate the numerical value of the transmission block size TBS that strengthens dedicated channel E-DCH according to following formula:
TBS＝PDU_factor×168+MOD_factor×18；
(6) mobile subscriber terminal is configured corresponding enhancing dedicated channel transmission block size according to the numerical value of this transmission block size TBS.
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| WO2005020473A1 (en) * | 2003-08-20 | 2005-03-03 | Samsung Electronics Co., Ltd. | Method and apparatus for providing uplink packet data service in asynchronous wcdma system |
| CN1601942A (en) * | 2003-09-28 | 2005-03-30 | 华为技术有限公司 | Combined selecting smooth processing method of transmission format |
| CN1863029A (en) * | 2005-08-12 | 2006-11-15 | 华为技术有限公司 | Method for decoding processing |
| US20060281417A1 (en) * | 2005-05-10 | 2006-12-14 | Ntt Docomo, Inc. | Transmission rate control method and mobile station |
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|---|---|---|---|---|
| WO2005020473A1 (en) * | 2003-08-20 | 2005-03-03 | Samsung Electronics Co., Ltd. | Method and apparatus for providing uplink packet data service in asynchronous wcdma system |
| CN1601942A (en) * | 2003-09-28 | 2005-03-30 | 华为技术有限公司 | Combined selecting smooth processing method of transmission format |
| US20060281417A1 (en) * | 2005-05-10 | 2006-12-14 | Ntt Docomo, Inc. | Transmission rate control method and mobile station |
| CN1863029A (en) * | 2005-08-12 | 2006-11-15 | 华为技术有限公司 | Method for decoding processing |
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