CN101047426A - Distribution method of uplink block data channel and data transmitting method - Google Patents
Distribution method of uplink block data channel and data transmitting method Download PDFInfo
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Abstract
A method for distributing uplink packet data channel includes making expansion on USF controlling distribution of uplink channel and furthermore adding time slot distribution identification for distributing time slot at specified time interval on USF and utilizing added time slot identification to distribute different time slot in the same time interval of the same PDCH different user for service.
Description
Technical field
The present invention relates to communication technique field, be specifically related to the distribution method of a kind of ascending packet data channel (PDCH, Packet Data CHannel) and the sending method of data.
Background technology
Along with the sustainable growth of the mobile new business of constantly weeding out the old and bring forth the new to bandwidth requirement, having more, the high speed wireless data technology of high spectrum utilization more and more becomes the focus that mobile field is paid close attention to.The Packet data service of mobile communication network is mainly carried by GPRS (GPRS, General Packet RadioService) network at present.GPRS network is the evolution and the extension of global system for mobile communications (GSM, Global Systemfor Mobile communications) network, has mainly increased the Packet Service part.GPRS still adopts the Guassian Minimum Shift Keying GMSK (GMSK identical with GSM, Gaussian MinimumShift Keying) modulation system, owing to be subjected to the restriction of signal modulation process mode, GPRS can't reach the data rate that third generation mobile (3G, The Third Generation) requires.
Enhanced Data rates for GSM Evolution (EDGE, Enhanced Data rates for GSM Evolution) as the enhancement mode evolution technology of GPRS, adopt 8 phase shift keying (8PSK, 8 Phase Shift Keying) modulation system, the data rate that is three times in GMSK can be provided, area or economic development in 3G frequency spectrum resource scarcity are regional relatively slowly, can be used as the transition scheme of 2g mobile network to 3g mobile network, with original base station sub-system (BSS, Base Station sub-System) develops into GSM EDGE Radio Access Network (GERAN, GSM EDGE Radio Access Network), with universal mobile telecommunications system (UMTS, Universal Mobile Telecommunications System) land radio access web (UTRAN, UMTS Terrestrial Radio Access Network) and deposit, the high-speed data service of " class 3G " is provided, future possible two, provide practical for the terminal use in three generations's network facilities and period of depositing, continuous high-speed data moving range.
An important content in the GERAN evolution items is to compress time delay as far as possible, and one of method is to adopt to reduce transmission intercal (RTTI, Reduced TTI; TTI, Transmission Timing Interval) technology.In existing protocol, the time span of a data block (Block) is 20ms, i.e. TTI, and a Block forms (that is, being positioned at same PDCH) by 4 the identical time slots (5ms) in continuous 4 frames.RTTI wishes TTI is reduced to 10ms, even 5ms, can adopt following two kinds of methods:
One is 4 time slots (4-burst) RTTI,, will originally be placed on transmission simultaneously on 2 PDCH or 4 PDCH in the data of 4 time slots of a Block who transmits on the PDCH that is, realizes the TTI of 10ms or 5ms respectively;
Two is 2 time slots (2-burst) RTTI,, adopts the new Block that is made up of 2 time slots that is, and so corresponding TTI is exactly 10ms, and this method is suitable for small data packets, as the Data-carrying of speech etc.
After introducing RTTI, that need more the time on same PDCH is the TTI of 10ms, rather than as the TTI of whole employing 20ms in the existing protocol.Yet in existing protocol, network is by the entrained uplink state sign (USF of down channel, Uplink State Flag) right to use of coming to distribute up channel for the terminal use, be that Block with 20ms is a unit when distributing up channel, like this, for the user of new terminal that employing has the RTTI function, remaining 10ms just can't be utilized, and has caused waste of network resources.
And, USF is mapped on continuous 4 time slots of a descending PDCH in existing protocol, and after introducing RTTI, the structure of Block is no longer as on continuous 4 time slots that appear at a PDCH in the existing protocol, but appear on a plurality of PDCH, but the existing terminal that does not possess the RTTI function still receives on 4 continuous slots of a descending PDCH when receiving descending USF, so just can not correctly receive the USF value, influence after the evolution network the compatibility of existing terminal.
Summary of the invention
The object of the present invention is to provide a kind of distribution method of the ascending packet data channel that can make full use of channel resource, avoid waste and the sending method of data.
Further aim of the present invention provides and a kind ofly can make the new terminal of the compatible simultaneously RTTI of the support function of network after the evolution and not support the distribution method of ascending packet data channel of existing terminal of RTTI function and the sending method of data.
To achieve the object of the present invention, the technical scheme of being taked is: a kind of distribution method of ascending packet data channel comprises: 1) network will comprise that the uplink state sign of channel allocation sign and time slot allocation sign is mapped in each time slot of corresponding down channel; 2) the network downlink data block that will include described uplink state sign sends to the user by described down channel.
Further, each described uplink state sign is mapped in four continuous time slot of corresponding down channel.
Preferably, two users of each described channel allocation sign indication; Described time slot allocation sign indicates these two users to be allowed to the time slot that takies respectively in described specified time period.
Described time slot allocation sign can comprise four kinds of states, and state one indication user one takies whole time slots of described specified time period; State two indication users one and user two take the time slot of forward and backward half part of described specified time period respectively; State three indication users two and user one take the time slot of forward and backward half part of described specified time period respectively; State four indication users two take whole time slots of described specified time period.
If network is determined the user uplink channel and is adopted 4-burst RTTI, then can allow to give same user with two adjacent available uplink channel indications simultaneously, described time slot allocation sign can adopt following four kinds of states: the first half time slot of the first half time slot of the described specified time period of the corresponding up channel of state one indication CU and the described specified time period of adjacent back one channel; The latter half time slot of the latter half time slot of the described specified time period of the corresponding up channel of state two indication CUs and the described specified time period of adjacent back one channel; The first half time slot of the first half time slot of the described specified time period of the corresponding up channel of state three indication CUs and the described specified time period of adjacent last channel; The latter half time slot of the latter half time slot of the described specified time period of the corresponding up channel of state four indication CUs and the described specified time period of adjacent last channel.
The entrained uplink state of described down channel sign and up channel corresponding adopted dynamic assignment mode, extended dynamic allocation pattern and dynamic assignment mode etc. back-to-back.
The present invention also provides a kind of sending method of ascending packet data, comprising: 1) user sends the uplink service request to network; 2) network is received after the described uplink service request to the user distributes Temporary Block Flow, the spendable up channel of designated user; 3) user monitors the down channel corresponding with described up channel; 4) network is distributed to user's use according to the above-mentioned distribution method of claim with described up channel; 5) user carries out the transmission of upstream data according to indicated taken up channel and the time slot of the sign of the uplink state in the downlink data block that receives.
Adopt technique scheme, beneficial technical effects of the present invention is:
1) the present invention adopts the method for expansion USF, for USF increases the time slot allocation identification division, make that the USF of identical PDCH can be used by plural user, utilizing the time slot allocation sign that increases that the different time-gap in the same period (being generally 20ms) is distributed to different users uses, solve the period that period of distributing to the user in the existing protocol needs greater than the user who supports the RTTI terminal and the network resources waste problem that causes, improved the efficient of channel multiplexing.
2) the present invention also further is mapped to each uplink state sign in four continuous time slot of corresponding down channel, what make that the existing terminal do not support the RTTI function also can be correct receives the USF value, thereby carry out the transmission of upstream data normally, guarantee the compatibility of network and existing terminal after the evolution, realized the smooth evolution of network.
Description of drawings
Also the present invention is described in further detail in conjunction with the accompanying drawings below by embodiment.
Fig. 1 is that Frame and channel concern schematic diagram;
Fig. 2 is the corresponding relation schematic diagram of channel and channel allocation sign and terminal;
Fig. 3 is the control schematic diagram of channel allocation sign to channel allocation;
Fig. 4 is that existing USF is to down channel time slot mapping schematic diagram;
Fig. 5 (a) and (b) are to utilize existing mode will support the USF of RTTI to be mapped to down channel time slot schematic diagram;
Fig. 6 (a) and (b) are that USF of the present invention is mapped to down channel time slot schematic diagram;
Fig. 7 is a kind of sending method schematic flow sheet of ascending packet data of the present invention.
Embodiment
The invention provides a kind of distribution method of ascending packet data channel and the sending method of data.Its core concept is that the USF that the control up channel distributes is expanded, for it further increases in specified time period time slot is carried out the distributed time slot allocation identification, make a plurality of users can identify a up channel in the multiplexing same specified time period, to improve the utilance of network by different time slot allocation.In addition, for guaranteeing evolvement network and the existing compatibility of not supporting the RTTI terminal, the present invention also further separates USF with other guide in the downlink data block, be mapped in four continuous time slot of down channel, what make that existing terminal also can be correct receives the USF value, thereby carries out the transmission of upstream data normally.Respectively method for channel allocation of the present invention and data transmission method for uplink are elaborated below.
The distribution method of embodiment one, a kind of ascending packet data channel comprises the steps:
1) network is mapped to the uplink state sign in each time slot of corresponding down channel; Described uplink state sign comprises channel allocation sign and time slot allocation sign, the indication of described channel allocation sign is allowed to take the user of corresponding up channel in specified time period, described time slot allocation sign indication user is allowed to take the time slot of this up channel;
In fact, the channel allocation sign among the present invention promptly plays the effect of the uplink state sign in the existing protocol, for simplicity's sake, below, the present invention and existing uplink state sign are called USF of the present invention and existing USF, the channel allocation sign is called CHF, the time slot allocation sign is called BF.
The control of CHF to channel allocation at first is described:
A) communication network carries out message transmission by the Frame that transmits on carrier frequency; in order to realize multiplexing to carrier frequency; each Frame can be divided into some time slots usually; as shown in Figure 1; among Fig. 1 i～i+n+1 be the i that transmits on the carrier frequency to i+n+1 Frame, each Frame is divided into 0～7 totally 8 time slots.Each time slot of same Frame is serial from microcosmic, walks abreast from macroscopic view, and therefore the identical time slot with each Frame of image is called one " channel ".In Fig. 1, the 0th time slot of each Frame constitutes PDCH0 ..., the 7th time slot of each Frame constitutes PDCH7.
B) network is that unit carries out with the channel when carrying out resource allocation, then is mark with CHF to the distribution of channel.In the real network environment, can select the corresponding control mode of CHF as the case may be to up channel, in this example, adopt dynamic assignment mode, promptly, up channel is corresponding one by one with down channel, if the user receives the CHF that indication allows at certain down channel, then the user is allowed to take the up channel of identical numbering in specified time period.Under this allocation model, each channel all has the CHF value that belongs to each user; The user also can take several channels simultaneously, as shown in Figure 2.User MS1 can use channel PDCH0, PDCH2, PDCH5 among Fig. 2, and the CHF value that these three channels belong to MS1 is respectively x1, x2, x3; User MS2 can use channel PDCH2, PDCH3, and the CHF value that these two channels belong to MS2 is respectively y1, y2; User MS3 can use channel PDCH4, PDCH5, PDCH6, PDCH7, and the CHF value that these four channels belong to MS3 is respectively z1, z2, z3, z4.As seen from Figure 2, identical channel can be multiplexing by different users, and for example PDCH2 is shared by MS1 and MS2, and PDCH5 is shared by MS1 and MS3.Which user network indicates by by the CHF value of carrying on the down channel corresponding with up channel is used channel in specified time period, as shown in Figure 3.For simplicity's sake, be that example describes with a pair of up-downgoing channel PDCH0 among Fig. 3, can analogize under the situation of a plurality of channels.Among Fig. 3, along the time axle t square arranged be illustrated in the data block of sequential delivery in the channel, each data block can be made up of some time slots; CHF is mapped in each descending data block, if the CHF value of carrying in certain data block is x1, it is the CHF value that PDCH0 belongs to MS1, show that then MS1 can use channel PDCH0 in specified time period, specified time period is (or four of the up next ones of this downlink data block correspondence in this example, by with the initial stage consult to decide of network) period, be generally the length of a TTI, i.e. 20ms; If the CHF value of carrying in certain data block for x1, does not show that then MS1 cannot send any data in the up next data block of this downlink data block correspondence.
Existing USF value is unique on the up direction of a channel, otherwise will cause the use conflict of different user to same channel, and generally speaking, existing USF is 3bit, and 8 kinds of states are provided, so each channel can be multiplexing by 8 users.And another sign BF that provides based on USF of the present invention, CHF value can several users of correspondence, and promptly in Fig. 2, x2 can equal y1, and x3 can equal z2.Equaling y1 with x2 is example, is x2 if certain data block of descending PDCH2 is carried CHF value, and then in the time period of the next 20ms of up PDCH2, MS1 and MS2 are allowed to take this up channel.These two users distribute the different conditions that takies by BF of specified time period, and BF is represented by 2bit in this example, have four kinds of states, and are as shown in the table:
| 00 | 10ms before the |
| 01 | All 20ms gives |
| 10 | 10ms before the |
| 11 | All 20ms gives |
By the 2bit BF value of expansion, two users with identical CHF just can realize multiplexing to the same TTI of same channel, carry out the data transmission based on RTTI.And the transmission of user data both can adopt 4-burstRTTI also can adopt 2-burst RTTI, for the former, the user also needs to be assigned identical time slot on adjacent available channel, no matter which kind of mode the user adopts send data, and network can be discerned.
2) after network based channel behaviour in service and user asked to determine the CHF and BF of each channel, the downlink data block that just will include USF of the present invention sent to the user by corresponding down channel, finishes the distribution to next period up channel.
The distribution method of embodiment two, a kind of ascending packet data channel, basic identical among present embodiment method and the embodiment one, just CHF is different with the setting of corresponding control mode that is allowed to take up channel and BF state.Compare with embodiment one, present embodiment is applicable to that network determines that the user uplink channel adopts the situation of 4-burst RTTI.
Network allows to give same user with two adjacent available uplink channel indications simultaneously in the present embodiment, but need not issue the CHF value that indication allows at two down channels of these two up channel correspondences, but issue the CHF value that indication allows at one of down channel of correspondence, described time slot allocation sign adopts following four kinds of states, the first half time slot of the described specified time period of state corresponding up channel of one indication CU and adjacent back one channel; The latter half time slot of the described specified time period of state corresponding up channel of two indication CUs and adjacent back one channel; The first half time slot of the described specified time period of state three corresponding up channels of indication CU and adjacent last channel; The latter half time slot of the described specified time period of state four corresponding up channels of indication CU and adjacent last channel.With MS1 among Fig. 2 is example, network issues CHF=x2 in descending PDCH2, instruct MS 1 can be used the next up 20ms period of PDCH2, PDCH0 or PDCH2, the combination of PDCH5 channel, takies the concrete distribution of time slot then by the BF of 2bit, and is as shown in the table:
| 00 | 10ms before the 10ms before the PDCH2, PDCH5 |
| 01 | 10ms behind the PDCH2,10ms behind the PDCH5 |
| 10 | 10ms before the 10ms before the PDCH2, PDCH0 |
| 11 | 10ms behind the PDCH2,10ms behind the PDCH0 |
Obviously, in the present embodiment, the CHF value on the direction of same channel is unique.
The distribution method of embodiment three, a kind of ascending packet data channel, identical among the step 1) of present embodiment method and the embodiment one, just in step 2) in adopt following method when USF of the present invention put into down channel: four continuous time slot that each USF of the present invention are mapped to corresponding down channel.
In existing protocol, be as medium access control (MAC with USF, Media Access Control)/Radio Link control (RLC, Radio Link Control) part of data head (Header), the mapping that proceeds to down channel with other parts and the data division (Data) of head, as shown in Figure 4, a RLC piece that comprises USF is mapped in four time slots (5ms) of a TTI of PDCHi channel (20ms) among Fig. 4.Existing USF is generally RLC/MAC top 3 bit, it is 12 or 36 behind process GMSK or the 8PSK coding separately, USF behind the coding and other guide are placed in continuous 4 time slots of a descending PDCH according to the mapping ruler of agreement regulation together, because the USF data are to encode separately, the user just can decode out after receiving 4 time slots fully with USF, and needn't be concerned about the content of other parts.
Yet after adopting RTTI, data block no longer is 4 continuous slots on the channel, and might be each two continuous slot (situation of 4-burst Block) on two channels or two continuous slots (situation of 2-burst Block) on channel, like this according to the mapping method that has USF now, the USF value will be placed in two continuous slots of two continuous slots of two channels or a channel and go, as Fig. 5 (a), (b) shown in, a 4-burst Block who comprises USF is mapped to respectively in continuous two time slots of PDCHi and PDCHi+1 among Fig. 5 (a); A 2-burst Block who comprises USF is mapped in continuous two time slots of PDCHi among Fig. 5 (b).Adopt this mapping mode, for the terminal use who supports RTTI, do not have problems, the composition that the user can the right judgement data block and send structure, thereby correct acquisition USF; But for the existing terminal of not supporting RTTI,, therefore just can't obtain correct USF value owing to still on a channel, receive 4 continuous time slots.The present embodiment scheme has promptly solved this problem, USF and RLC/MAC head and data division is independent, RLC/MAC head and data division shine upon according to the RTTI mode, USF then is mapped in four continuous time slot of corresponding down channel, shown in Fig. 6 (a) and (b), a 4-burst Block is mapped to respectively in continuous two time slots of PDCHi and PDCHi+1 among Fig. 6 (a), and the USF of these two channels then is mapped to respectively in continuous four time slots of PDCHi and PDCHi+1; A 2-burst Block is mapped in continuous two time slots of PDCHi among Fig. 6 (b), and USF then is mapped in continuous four time slots of PDCHi.Because USF itself is that separately coding and do not produce with other parts of data block is got in touch, therefore this mapping mode can be realized easily.
In the present embodiment, USF of the present invention adopts the mapping ruler of existing protocol to be placed in continuous 4 time slots of a channel, and wherein CHF is that 3bit is equivalent to existing USF, is used to indicate existing terminal use to use the up channel of next 20ms; BF is 2bit, for the terminal use who supports RTTI provides further time slot allocation.
The distribution method of embodiment four, a kind of ascending packet data channel, present embodiment method and embodiment three are basic identical, just CHF adopts the extended dynamic allocation pattern with the corresponding control relation of up PDCH, promptly, up channel is corresponding one by one with down channel, but interchannel is provided with priority by numbering, supposes that PDCH0 has limit priority and PDCH7 has lowest priority.If the user receives the CHF that indication allows at certain down channel, then the user is allowed to take identical numbering and greater than the up channel of this numbering in specified time period.Under this allocation model, each channel has the CHF value that belongs to each user equally.Be example with Fig. 2 still, for user MS1, if receive that on descending PDCH0 CHF equals x1, then in the up period of the next one, MS1 can use PDCH0, PDCH2, PDCH5; If receive that on descending PDCH0 CHF is not equal to x1, receive that on descending PDCH2 CHF is not equal to x2, receive that on descending PDCH5 CHF equals x3, then in the up period of the next one, MS1 is only to use PDCH5.Adopt this allocation model user terminal need receive the CHF of each down channel, but only need begin to judge from numbering minimum channel, have only when judging on the little channel of numbering and do not receive one's own CHF, just continue to judge the CHF that receives on the bigger channel of numbering.
The distribution method of embodiment five, a kind of ascending packet data channel, present embodiment method and embodiment three are basic identical, just CHF adopts dynamic assignment mode (B2DA back-to-back with the corresponding control relation of up PDCH, Back to Back Dynamic Allocation), promptly, the no longer unique correspondence of up-downgoing channel, the user is specifying down channel to receive CHF, determines to be allowed in specified time period the available uplink channel that takies according to the value of CHF.Under this pattern, the user only monitors the down channel that is assigned to oneself, the different CHF value representation of this channel is distributed to user's different channels state, for example, available CHF equals 0 expression user can use whole available channels of next up period, and CHF equals 7 expression users must not send any data etc. in next up period.
The sending method of embodiment six, a kind of ascending packet data, flow process comprise as shown in Figure 7:
1) user sends the uplink service request to network; Request message carries professional characteristic parameter, as data speed, time delay, error rate etc., and to the negotiation of terminal capability, for example whether supports RTTI;
2) network is received after the described uplink service request and is distributed Temporary Block Flow (TBF for the user, TemporaryBlock Flow), in fact each TBF is exactly the combination of several PDCH channels as seen from Figure 2, so network is exactly which up channel designated user can use for terminal use's distribution T BF;
3) user monitors the down channel corresponding with the up channel of appointment; In this step, if network using dynamic assignment mode or extended dynamic allocation pattern, then the terminal use need monitor the down channel of each up channel correspondence, for example, user MS1 among Fig. 2 just needs to monitor descending PDCH0, PDCH2,5 three channels of PDCH; If network using B2DA, then the terminal use only monitors the down channel of appointment;
4) network issues the USF that is made up of CHF and BF according to the distribution method described in the embodiment three, up channel is distributed to the user use;
5) user carries out the transmission of upstream data according to the USF in the downlink data block that receives indicated taken up channel and time slot;
If 5a1) do not support the existing terminal use of RTTI, on the single down channel of being monitored, receive the data of 4 time slots continuously, then according to the correct acquisition CHF value of mapping ruler, judge whether to turn to the transmit status of next 20ms by its indication; If then carry out 5a2), then return 3 if not) proceed to monitor;
5a2) carrying out upstream data sends.
If 5b1) support the terminal use of RTTI, on the single down channel of being monitored, receive the data of 4 time slots continuously, according to the correct acquisition CHF value of mapping ruler, judge whether and can take corresponding up channel then in next period by its indication; If then carry out 5b2), then return 3 if not) proceed to monitor;
5b2) further according to the BF value, select to return 3) proceed to monitor (be that whole time slot allocation are given another user, the active user must not send data); Or turn to the transmit status of next 10ms or 20ms, carry out 5b3);
5b3) carrying out upstream data sends.
In this step, for existing terminal, owing to receive, handle according to existing protocol fully, so it can not obtain to be indifferent to the BF value of extra 2bit yet, and whole process is carried out according to existing program fully; For the terminal of supporting RTTI, but he not only can obtain to indicate the CHF value of busy channel, can also further obtain to carry out the BF value of time slot allocation, carries out data upload thereby make full use of RTTI.
Certainly the terminal of supporting RTTI also can be in consulting with the early stage of network with oneself capabilities setting for not supporting that this depends on user's selection.
More than the distribution method of a kind of ascending packet data channel provided by the present invention and the sending method of data are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (9)
1, a kind of distribution method of ascending packet data channel is characterized in that, comprising:
1) network will comprise that the uplink state sign of channel allocation sign and time slot allocation sign is mapped in each time slot of corresponding down channel;
2) the network downlink data block that will include described uplink state sign sends to the user by described down channel.
2, the distribution method of ascending packet data channel according to claim 1 is characterized in that: each described uplink state sign is mapped in four continuous time slot of corresponding down channel.
3, the distribution method of ascending packet data channel according to claim 2 is characterized in that: two users of each described channel allocation sign indication; Described time slot allocation sign indicates these two users to be allowed to the time slot that takies respectively in described specified time period.
4, the distribution method of ascending packet data channel according to claim 3 is characterized in that: described time slot allocation sign comprises four kinds of states,
State one indication user one takies whole time slots of described specified time period;
State two indication users one and user two take the time slot of forward and backward half part of described specified time period respectively;
State three indication users two and user one take the time slot of forward and backward half part of described specified time period respectively;
State four indication users two take whole time slots of described specified time period.
5, according to the distribution method of any described ascending packet data channel of claim 2, it is characterized in that: network allows to give same user with two adjacent available uplink channel indications simultaneously, and described time slot allocation sign comprises four kinds of states,
The first half time slot of the first half time slot of the described specified time period of the corresponding up channel of state one indication CU and the described specified time period of adjacent back one channel;
The latter half time slot of the latter half time slot of the described specified time period of the corresponding up channel of state two indication CUs and the described specified time period of adjacent back one channel;
The first half time slot of the first half time slot of the described specified time period of the corresponding up channel of state three indication CUs and the described specified time period of adjacent last channel;
The latter half time slot of the latter half time slot of the described specified time period of the corresponding up channel of state four indication CUs and the described specified time period of adjacent last channel.
6, according to the distribution method of any described ascending packet data channel of claim 1～4, it is characterized in that: the entrained uplink state of described down channel identifies the corresponding employing dynamic assignment mode with up channel, if the user receives the uplink state sign that indication allows at certain down channel, then the user is allowed to take the up channel of identical numbering in specified time period.
7, according to the distribution method of any described ascending packet data channel of claim 1～4, it is characterized in that: the entrained uplink state of described down channel identifies the corresponding employing extended dynamic allocation pattern with up channel, if the user receives the uplink state sign that indication allows at certain down channel, then the user is allowed to take identical numbering and greater than the available uplink channel of this numbering in specified time period.
8, according to the distribution method of any described ascending packet data channel of claim 1～4, it is characterized in that: the entrained uplink state of described down channel identifies the corresponding dynamic assignment mode back-to-back that adopts with up channel, the user is specifying down channel to receive described uplink state sign, determines to be allowed in specified time period the up channel that takies according to the value of uplink state sign.
9, a kind of sending method of ascending packet data is characterized in that, comprising:
1) user sends the uplink service request to network;
2) network is received after the described uplink service request to the user distributes Temporary Block Flow, the spendable up channel of designated user;
3) user monitors the down channel corresponding with described up channel;
4) network is distributed to user's use according to any described distribution method of claim 1～8 with described up channel;
5) user carries out the transmission of upstream data according to indicated taken up channel and the time slot of the sign of the uplink state in the downlink data block that receives.
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Cited By (17)
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| US6501745B1 (en) * | 1998-02-13 | 2002-12-31 | Telefonaktiebolaget Lm Ericsson (Publ) | Method for variable block scheduling indication by an uplink state flag in a packet data communication system |
| US6747962B2 (en) * | 2000-10-10 | 2004-06-08 | Nokia Corporation | Method and apparatus for sharing uplink state flag (USF) with multiple uplink temporary block flows (TBFs) |
| ITMI20010721A1 (en) * | 2001-04-04 | 2002-10-04 | Siemens Inf & Comm Networks | METHOD TO OFFER PACKAGE SERVICES ON RADIO RESOURCES SHARED BY MULTIPLE USERS IN A TDD-CDMA SYSTEM |
| GB2398708B (en) * | 2003-06-18 | 2005-01-05 | Matsushita Electric Ind Co Ltd | Extended dynamic resource allocation in packet data transfer |
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