CN101047884A - Method for indicating used PDCH for terminal transmitting data - Google Patents
Method for indicating used PDCH for terminal transmitting data Download PDFInfo
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- CN101047884A CN101047884A CNA2006100727312A CN200610072731A CN101047884A CN 101047884 A CN101047884 A CN 101047884A CN A2006100727312 A CNA2006100727312 A CN A2006100727312A CN 200610072731 A CN200610072731 A CN 200610072731A CN 101047884 A CN101047884 A CN 101047884A
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Abstract
This invention discloses a method for instructing terminals to apply packet data channels PDCH to transmit data including: A, a communication system selects a down-line PDCH corresponding to an up-line PDCH distributed for terminals ans sets USF corresponding to the up-line PDCH in said down-line PDCH to inform the terminal to monitor the down-line PDCH, B, after the terminal monitors the USF at the down-line PDCH, it transmits data via all PDCH of the time slots where the up PDCH locates corresponding to USF with the assigned time slot number not higher than the monitored USF.
Description
Technical field
The present invention relates to the technology of assigns packet data channel (PDCH) in communication system, particularly a kind of indicating terminal sends the method for the PDCH that data adopted.
Background technology
At present, terminal in communication system, will be when communication system network sends data as the terminal in GPRS (GPRS) system or global system for mobile communications (GSM), at first send the distribution up channel request of carrying the data service characteristic parameter to communication system network, this service feature parameter is for sending speed, time delay and the error rate etc. of data; Secondly, after the data service characteristic parameter that communication system network carries according to this request that receives is the up PDCH of this terminal distribution, the up PDCH that this distributed is indicated to this terminal; At last, this terminal sends data by the indicated up PDCH of wireless communication system.
Time division multiple access (TDMA) in the circuit domain is divided into 8 time slots, the identical time slot of distributing to each tdma frame of communication system is referred to as PDCH, in communication system, with PDCH unit for the terminal distribution up channel, when terminal has multislot capability, communication system network can distribute a plurality of (if communication system is supported 8 PDCH, then can distribute 8 at most), and up PDCH gives this terminal.
Communication system network is that the process of the up PDCH of terminal distribution is: communication system network is terminal distribution Temporary Block Flow (TBF), and TBF specifies the current operable one or more up PDCH of this terminal.Any one up PDCH that terminal in the communication system can use communication system network to be provided with, but accept the control of communication system network, because a plurality of terminals that may have in the communication system in different time or identical time are used identical up PDCH.Communication system network comes the current operable one or more up PDCH of indicating terminal by uplink state sign (USF).Below describe in detail the notion of the PDCH that wireless communication system is provided with and USF how the current operable one or more up PDCH of indicating terminal send data.
The PDCH schematic diagram that Fig. 1 is provided with for communication system network: the time slot that communication system network is identical with each tdma frame is formed a PDCH, as, i, i+1 ..., the time slot 0 of i+n, i+n+1 frame forms PDCH0, when communication system network carries out the resource allocation of up channel, all be unit with PDCH.
Fig. 2 is USF current operable one or more up PDCH of indicating terminal how: communication system network is that in fact the TBF of terminal distribution is exactly the current operable one or more up PDCH combinations of terminal, as: the TBF that distributes for terminal 1 is up PDCH0, up PDCH2 and up PDCH5, during the current operable one or more up PDCH of USF indicating terminal, each descending PDCH that communication system network sets in advance has a USF value (a descending PDCH can only have 8 USF values at most) that belongs to terminal, as communication system network is that up PDCH0 among the TBF that distributes of terminal 1 is x1 corresponding to the USF of terminal 1, up PDCH2 is x2 and up PDCH5 corresponding to the USF of terminal 1 corresponding to the USF of terminal 1 is x3, communication system network will send to terminal corresponding to the USF of terminal by down channel for the one or more up PDCH among the TBF of terminal distribution, and terminal is determined current operable one or more up PDCH according to the up PDCH of the USF correspondence that receives.
Communication system sends USF by down channel to terminal, and is multiple thereby the method for the presently used up PDCH of distributing terminals can have: dynamic assignment, extended dynamic allocation and dynamic assignment (B2DA) etc. back-to-back.Respectively these three kinds of methods of salary distribution are elaborated below.
Dynamic assignment
Thereby Fig. 3 sends the method schematic diagram of the presently used up PDCH of USF distributing terminals for communication system adopts dynamic assignment to terminal by down channel.The descending PDCH of the up PDCH correspondence that the terminal monitoring wireless communication system in the communication system is provided with for this terminal in advance, when receiving corresponding to self USF at descending PDCH, terminal sends data at the up PDCH of this descending PDCH correspondence.The use of USF as shown in Figure 3, be assumed to be terminal 1 and distribute up PDCH1, it is x1 (setting in advance up PDCH1 is x1 corresponding to the USF of terminal 1) that terminal 1 receives USF at the descending PDCH1 of first frame by up PDCH1 correspondence, and terminal sends data at up PDCH1 first frame; It is x1 that terminal does not receive USF at the descending PDCH1 of up PDCH1 correspondence second frame, and then terminal does not send data at up PDCH1 second frame.
As can be seen from Figure 3, the distribution of each up PDCH all is the USF decision that whether has among the descending PDCH by up PDCH correspondence corresponding to terminal, therefore, there is the big shortcoming of terminal power consumption in this distribution method: when terminal has been assigned with a plurality of up PDCH, this terminal just must be monitored and distribute the same number of descending PDCH of up PDCH, thereby receive the USF corresponding to terminal that is distributed and send data, this can make terminal power consumption big.
Extended dynamic allocation
Extended dynamic allocation method causes the big shortcoming of terminal power consumption to develop in order to overcome dynamic allocation method.The process of extended dynamic allocation is: terminal intercept communications grid side one by one is the descending PDCH of each up PDCH correspondence of terminal distribution in advance, but at first intercept communications grid side is the descending PDCH of the minimum up PDCH correspondence of the timeslot number of terminal distribution in advance, if when receiving, then use to the timeslot number of terminal distribution and send data more than or equal to the up PDCH present frame of the descending PDCH place time slot of being monitored corresponding to self USF; If when not receiving corresponding to self USF, then intercept communications grid side is the descending PDCH of up PDCH correspondence of the high timeslot number time slot of PDCH of the minimum time slot of ratio timeslot number of terminal distribution in advance, up to receive corresponding to self USF or monitored all in advance till the descending PDCH for the up PDCH correspondence of terminal distribution.When carrying out extended dynamic allocation, communication system preferentially indicates the user to use to be the timeslot number of the terminal distribution the most up PDCH of high time slot, promptly be terminal distribution timeslot number the most descending PDCH of the up PDCH correspondence of high time slot send USF corresponding to terminal, terminal sends data at the up PDCH of this descending PDCH correspondence after this descending PDCH receives.
Thereby Fig. 4 sends the method schematic diagram of the presently used up PDCH of USF distributing terminals for communication system adopts extended dynamic allocation to terminal by down channel: be assumed to be the up PDCH1 of terminal distribution, up PDCH2 and up PDCH3, each descending PDCH place time slot of first behavior among the figure, this time slot is represented the descending PDCH situation for the up PDCH correspondence of self distribution that terminal is monitored at every frame respectively with each frame of arrow indication, and blank box is represented not monitor; The second behavior communication system network receiving terminal sends the time slot of data, and the terminal that arrow refers to of pointing to this time slot is according to the monitoring situation, the up PDCH present frame transmission data of being distributed or etc. data conditions to be sent.As can be seen from Figure 4, terminal is at the preferential descending PDCH that monitors to the up PDCH correspondence of self distributed time slot number minimum time slot of present frame, only do not listening to corresponding to behind self USF, just can monitor descending PDCH successively at present frame into the up PDCH correspondence of self distributed time slot number high time slot, and in case receive corresponding to behind self USF, just no longer monitor the descending PDCH that receives the up PDCH correspondence of the high time slot of the timeslot number of the corresponding up PDCH of USF place time slot for the ratio of terminal distribution at present frame, and directly use the timeslot number of promising terminal distribution be not less than the up PDCH that receives the up PDCH of USF correspondence place time slot and send data at present frame.
But, extended dynamic allocation method exists the not high shortcoming of telecommunication system resources utilance: the up PDCH method of salary distribution of supposing to have two terminals as shown in Figure 5, the data volume that this moment, terminal 1 will send is less, only need the up of a up PDCH just can send, communication system network will distributing terminals 1 sends at the up PDCH of time slot 3 that (this is determined by extended dynamic allocation method so, preferential use that the most up PDCH of high time slot sends), the data volume that this moment, terminal 2 will send is big, but because the up PDCH of time slot 3 is taken by terminal 1, so terminal 2 can only be used the up PDCH of time slot 4, this can cause time slot 0, the up PDCH wasting of resources of time slot 1 and time slot 2 makes the telecommunication system resources utilance not high.
B2DA
In order to improve the telecommunication system resources utilance, B2DA has been proposed.The basic principle of B2DA is exactly to make terminal preferentially use the up PDCH of institute's distributed time slot number low time slot to send data.At this moment terminal only distributes up PDCH correspondence the descending PDCH reception of minimum timeslot number time slot corresponding to self USF, have and be the same number of USF of up PDCH of this terminal distribution at the descending PDCH of this minimum time slot.After terminal receives the USF of certain up PDCH correspondence of distributing at the descending PDCH of this minimum time slot, use the timeslot number of the promising terminal distribution of institute not to be higher than the present frame transmission data of the up PDCH of this up PDCH place time slot.When carrying out B2DA, communication system preferentially indicates the user to use the up PDCH as the minimum time slot of the timeslot number of terminal distribution to send data, promptly send USF corresponding to the up PDCH of the minimum time slot of timeslot number of terminal at the descending PDCH of the up PDCH correspondence of the minimum time slot of the timeslot number that is terminal distribution, after terminal receives, use the up PDCH of this USF correspondence to send data.
Thereby Fig. 6 sends the method schematic diagram of the presently used up PDCH of USF distributing terminals for communication system adopts B2DA to terminal by down channel, as can be seen from Figure 6, terminal is only monitored at the descending PDCH present frame for the up PDCH correspondence of self distributed time slot number minimum time slot, in case after receiving the pairing USF of up PDCH that distributes into self, just use the timeslot number of the promising terminal distribution up PDCH that is not higher than the up PDCH place time slot of the USF correspondence that receives send data at present frame.
Fig. 6 and the difference of Fig. 4 are that terminal not only only monitors at the corresponding descending PDCH of up PDCH for self distributed time slot number minimum time slot, and be the descending PDCH monitoring of the up PDCH correspondence of self distributed time slot number high time slot at other; And be that communication system allows terminal use the up PDCH of institute's distributed time slot number low time slot to send data earlier, so just can improve the telecommunication system resources utilance, the up PDCH method of salary distribution of supposing to have two terminals as shown in Figure 7, the data volume that this moment, terminal 1 will send is less, only need a up PDCH just can send, communication system network will distributing terminals 1 send at the up PDCH of time slot 0 so, the data volume that this moment, terminal 2 will send is big, communication system network will distributing terminals 2 at time slot 1, time slot 2, the up PDCH of time slot 3 and time slot 4 sends data, thereby can not cause the waste of telecommunication system resources.
But, B2DA also exists shortcoming: for can be at the USF that sends the up PDCH correspondence that promising this terminal distributes for the descending PDCH of the up PDCH correspondence in the terminal institute distributed time slot number minimum time slot by terminal, at present in the descending PDCH of up PDCH correspondence that is terminal institute distributed time slot number minimum time slot, a terminal will take and the identical USF of distribute of up PDCH quantity, and the USF among descending PDCH can only be provided with 8, this can cause into the reusability of the USF among the descending PDCH of the up PDCH correspondence of number minimum time slot of terminal institute distributed time slot low.For example: communication system network is that terminal 1 and terminal 2 have been distributed time slot 0 respectively, time slot 1, time slot 2, time slot 3, the up PDCH of time slot 4 and time slot 0, time slot 2, time slot 3, the up PDCH of time slot 4 and time slot 5, the USF that at this moment just all can't be distributed to the up PDCH of terminal 1 and terminal 2 respectively identifies in the descending PDCH of the up PDCH correspondence of time slot 0, and (terminal 1 and terminal 2 are divided into and have joined 10 up PDCH, and the descending PDCH of the up PDCH correspondence of time slot 0, be among the descending PDCH of time slot 08 USF to be arranged, can't be corresponding one by one), therefore, caused for the utilance of the USF among the descending PDCH of the up PDCH correspondence of terminal institute distributed time slot number minimum time slot low, the reusability of this descending PDCH is low, makes the up PDCH that can't be designated as a plurality of terminal distribution for the descending PDCH of the up PDCH correspondence of terminal institute distributed time slot number minimum time slot with USF fully.Correspondingly, according to this method USF is set, for the utilance of the USF among the descending PDCH of the up PDCH correspondence of other time slots of terminal distribution is also low, the reusability of this descending PDCH is also low.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of indicating terminal to send the method for the PDCH that data adopted, this method is under the situation that does not influence the telecommunication system resources utilance, can overcome the low defective of utilance reusability low and this descending PDCH of USF of the descending PDCH of the up PDCH correspondence of distributing, improve the up utilance of PDCH for terminal.
According to above-mentioned purpose, technical scheme of the present invention is achieved in that
A kind of indicating terminal sends the method for the Packet Data Channel PDCH that data adopted, and this method comprises:
A, communication system are chosen as the descending PDCH of the up PDCH correspondence of terminal distribution, are set to the USF of the up PDCH correspondence of terminal distribution in this descending PDCH respectively, this descending PDCH of notice terminal monitoring;
B, terminal are after this descending PDCH listens to USF, and all up PDCH that number are not higher than the up PDCH place time slot of the USF correspondence that listens to by institute's distributed time slot send data.
The process of the descending PDCH of the described selection of steps A is:
Communication system network is selected descending PDCH according to current utilization of resources situation or terminal request situation.
The process of the descending PDCH of the described selection of steps A is:
Communication system network with available USF resource the highest be terminal distribution corresponding to the descending PDCH of up PDCH as selected descending PDCH.
The highest process of the available USF resource of described selection is carried out between for the descending PDCH of the up PDCH correspondence of the minimum time slot of timeslot number of terminal distribution and the descending PDCH for the up PDCH correspondence of the low time slot of time slot number of terminal distribution:
Communication system network is judged as available USF resource among the descending PDCH of up PDCH correspondence of the minimum time slot of timeslot number of terminal distribution and whether is higher than the available USF resource that equals among the descending PDCH of the up PDCH correspondence of the low time slot of time slot number of terminal distribution, if then in descending PDCH, USF is set for the up PDCH correspondence of the minimum time slot of timeslot number of terminal distribution; Otherwise, in descending PDCH, USF is set for the up PDCH correspondence of the low time slot of the time slot number of terminal distribution.
The number that described available USF resource is available USF.
The process of this descending PDCH of the described notice terminal monitoring of steps A is:
The information of this PDCH of sign is carried in the up assignment message and sends to terminal; The definite descending PDCH that will monitor of the information of this PDCH of sign that the up assignment message that the terminal basis receives carries.
After step B, this method further comprises:
C, communication system relatively are the available USF resource among the descending PDCH of up PDCH correspondence of terminal distribution in real time, be set to the USF of the up PDCH correspondence of terminal distribution among the descending PDCH of a correspondence among the up PDCH that is distributed that when the condition of satisfied setting, is selecting again respectively, this current descending PDCH of notice terminal monitoring;
D, terminal are after this current descending PDCH listens to USF, and all up PDCH that number are not higher than the up PDCH place time slot of the USF correspondence that listens to by institute's distributed time slot send data.
The process of this current descending PDCH of the described notice terminal monitoring of step C is:
The information of this current PDCH of sign is carried in the heavy assignment message sends to terminal; The definite descending PDCH that will monitor of the information of this current PDCH of sign that the heavy assignment message that the terminal basis receives carries.
The descending PDCH that steps A is described to be chosen as a correspondence among the up PDCH of terminal distribution selects between for the descending PDCH of the up PDCH correspondence of the minimum time slot of timeslot number of terminal distribution and the descending PDCH for the up PDCH correspondence of the low time slot of time slot number of terminal distribution.
This method further comprises: be among the descending PDCH corresponding to up PDCH of terminal distribution, this up PDCH do not comprise available USF resource the highest be the up PDCH of terminal distribution, the other-end in the assurance communication system that USF is set to set can not account for the particular value of the up PDCH of this descending PDCH correspondence by mistake.
From said method as can be seen, method communication system provided by the invention is selected corresponding to the descending PDCH that is the up PDCH correspondence of terminal distribution, as select available uplink state sign USF resource the highest be the descending PDCH corresponding to up PDCH of terminal distribution, in this descending PDCH, be set to the USF of the up PDCH correspondence of terminal distribution respectively, and should notify terminal monitoring by descending PDCH, after terminal listened to the USF that is provided with into self at this descending PDCH, all up PDCH that number are not higher than the up PDCH place of this USF correspondence by institute's distributed time slot sent data.Because method provided by the invention is unlike prior art, can only be assigned with a plurality of USF at the descending PDCH of the up PDCH correspondence of institute's distributed time slot number minimum time slot corresponding to the up PDCH of difference, therefore, method provided by the invention is not only avoided causing and is the extremely low problem of USF resource utilization among the descending PDCH of the up PDCH correspondence of the minimum time slot of timeslot number of terminal distribution, the utilance of the USF of this descending PDCH is improved and the reusability raising of this descending PDCH, and in communication system, have enough USF resources to be designated as a plurality of up PDCH of terminal distribution fully.
Further, the present invention relatively is the available USF resource among the descending PDCH of up PDCH correspondence of available USF resource among the descending PDCH of up PDCH correspondence of the minimum time slot of timeslot number of terminal distribution and the low time slot of time slot number, in the high descending PDCH of selected available USF resource, be set to the USF of the up PDCH correspondence of terminal distribution respectively, and this had the highest descending PDCH notice terminal monitoring of available USF resource, at this moment, terminal can only be monitored the USF for self setting in the descending PDCH of the up PDCH correspondence of the descending PDCH of the up PDCH correspondence of institute's distributed time slot number minimum time slot or the low time slot of time slot number.
Description of drawings
The PDCH schematic diagram that Fig. 1 is provided with for communication system network;
Fig. 2 is the how current operable one or more up PDCH of indicating terminal of USF;
Thereby Fig. 3 sends the method schematic diagram of the presently used up PDCH of USF distributing terminals for communication system adopts dynamic assignment to terminal by down channel;
Thereby Fig. 4 sends the method schematic diagram of the presently used up PDCH of USF distributing terminals for communication system adopts extended dynamic allocation to terminal by down channel;
Fig. 5 is the not high schematic diagram of DESCRIPTION OF THE PRIOR ART telecommunication system resources utilance;
Thereby Fig. 6 sends the method schematic diagram of the presently used up PDCH of USF distributing terminals for communication system adopts B2DA to terminal by down channel;
Fig. 7 is the high schematic diagram of DESCRIPTION OF THE PRIOR ART telecommunication system resources utilance;
Fig. 8 sends the method flow diagram of the up PDCH that data adopted for indicating terminal of the present invention;
Fig. 9 sends the method embodiment flow chart of the up PDCH that data adopted for indicating terminal of the present invention;
Thereby Figure 10 sends the method schematic diagram of the presently used up PDCH of USF distributing terminals to terminal by down channel for communication system of the present invention.
Embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, below lift specific embodiment and, the present invention is described in more detail with reference to accompanying drawing.
When the present invention is the up TBF of terminal distribution at communication system network, select corresponding to the descending PDCH that is the up PDCH correspondence of terminal distribution.Selection mode can be for selecting descending PDCH according to current utilization of resources situation or terminal request situation etc.; Also can with the USF resource the highest be terminal distribution corresponding to the descending PDCH of up PDCH as selected descending PDCH.The present invention with the USF resource the highest be that the descending PDCH corresponding to up PDCH of terminal distribution is that example describes.
The present invention is a plurality of USFs of terminal setting corresponding to the up PDCH of difference in the highest descending PDCH of available USF resource, and the descending PDCH that is provided with a plurality of USF for this terminal is removed to monitor and only monitored to the notice terminal.Like this, terminal does not just need as prior art, can only be assigned with a plurality of USF at the descending PDCH of the up PDCH correspondence of institute's distributed time slot number minimum time slot corresponding to the up PDCH of difference, cause to the utilance of the USF of the descending PDCH of the up PDCH correspondence of terminal institute distributed time slot number minimum time slot is low, make the descending PDCH of the up PDCH correspondence of distributing to be designated as the problem of the up PDCH of a plurality of terminal distribution fully with USF for terminal.
In the present invention, for the number of terminal distribution USF is determined by the up PDCH that distributes, the respectively corresponding different up PDCH of different USF, when terminal listens to certain USF in the descending PDCH that communication system network notice is monitored, just can use to be the timeslot number of terminal distribution all up PDCH transmission data smaller or equal to the up PDCH of this USF correspondence.
Fig. 8 is the method flow diagram of the indicating terminal transmission up PDCH that data adopted of the present invention, and its concrete steps are:
The process that is notified to terminal is: communication system network will be for terminal distribution the information of this descending PDCH of sign of a plurality of USF be carried in the up channel assignment message and send to terminal.
This up channel assignment message is a message of the prior art, and the present invention only need expand this message, thus the information that can carry to terminal distribution this descending PDCH of sign of a plurality of USF.
In the present invention, also can be with this descending terminal monitoring of otherwise notifying.
The process of definite descending PDCH that will monitor is: according to carry for terminal distribution the information of this descending PDCH of sign of a plurality of USF determine the descending PDCH that will monitor, in the descending PDCH monitoring of determine.
In the present invention, communication system can also relatively be in real time an available USF resource among the descending PDCH of up PDCH correspondence of terminal distribution, satisfy impose a condition after again at selected descending PDCH, as being a plurality of USF of terminal distribution among the current descending PDCH with the highest USF resource, with current for terminal distribution the information of this descending PDCH of sign of a plurality of USF be carried at and send to terminal in the existing heavy assignment message, terminal can according to carry in this heavy assignment message current for terminal distribution the information of this descending PDCH of sign of a plurality of USF determine the current descending PDCH that will monitor, monitor the USF that whether has corresponding to for the up PDCH of terminal distribution at the determined current descending PDCH that will monitor.Similarly, the present invention also expands existing heavy assignment message, carry current for terminal distribution the information of this descending PDCH of sign of a plurality of USF.
The condition that communication system is set can be the time of setting or the USF utilization of resources situation of setting.
Method shown in Figure 8 is applicable to the terminal of type 2, and just the full-duplex terminal can receive and send simultaneously at synchronization.But for the terminal of Class1, just half-duplex terminals can only receive or send at synchronization, but has the problem that can't realize.This be because, terminal for Class1, the descending PDCH that receives USF differs 3 with the up PDCH that sends data on time slot, at least need 1 time slot the change-over time from descending PDCH reception USF to up PDCH transmission data, if when the timeslot number of the highest descending PDCH place time slot of available USF resource is compared with the timeslot number of the minimum time slot in up PDCH place of the minimum timeslot number time slot that distributes for terminal, more than or equal to 3, at this moment just do not receive USF sends data to up PDCH change-over time from descending PDCH, even cause the terminal of Class1 to listen to USF (timeslot number of the descending PDCH place time slot of terminal monitoring than the timeslot number of the minimum time slot in up PDCH place of the minimum timeslot number time slot that distributes for terminal more than or equal to 3), do not have to be transformed into enough change-over time all up PDCH that timeslot number is not higher than for the up PDCH place time slot of the USF correspondence that is listened to of terminal distribution yet and send data.Therefore, terminal for Class1, communication system network of the present invention can only relatively be the available USF resource of descending PDCH of the up PDCH correspondence of the descending PDCH of up PDCH correspondence of the minimum time slot of timeslot number of terminal distribution and the low time slot of time slot number, determine the highest descending PDCH of available USF resource therein, determined descending PDCH is notified to terminal, and terminal is monitored by determined descending PDCH and is the USF of terminal distribution.
Fig. 9 supposes that for the method embodiment flow chart of the indicating terminal transmission up PDCH that data adopted of the present invention terminal is the terminal of Class1, and its concrete steps are:
The descending PDCH of step 906, terminal monitoring communication system network notice, when listening to USF, that passes through to be listened to is not higher than all up PDCH transmission data of the up PDCH place time slot of USF correspondence for the timeslot number of terminal distribution.
From Fig. 8 or the described method of Fig. 9 as can be seen, terminal is no longer only monitored the descending PDCH of the up PDCH correspondence of institute's distributed time slot number minimum time slot, but by communication system network according to being available USF resource among the descending PDCH of each up PDCH correspondence of terminal distribution, select available USF the highest resource descending PDCH and notify terminal monitoring.When terminal when the descending PDCH of communication system network notice listens to USF, terminal is according to the process same B2DA of this USF by corresponding up PDCH transmission data.
Thereby Figure 10 sends the method schematic diagram of the presently used up PDCH of USF distributing terminals to terminal by down channel for communication system of the present invention, suppose that communication system network notice terminal monitoring is the descending PDCH of up PDCH correspondence of the low time slot of time slot number of terminal distribution, communication system network is that the up channel of terminal distribution is up PDCH1, up PDCH2 and up PDCH3, on the descending PDCH2 of up PDCH2 correspondence that is terminal distribution for this terminal distribution 3 USF, correspond to the up PDCH1 of this terminal distribution respectively, up PDCH2 and up PDCH3.Communication system network notifies this terminal monitoring descending PDCH2, the descending PDCH2 of terminal monitoring, listen to just use behind the USF timeslot number that is listened to be not higher than the USF correspondence up PDCH place time slot the transmission data of up PDCH of promising this terminal distribution.As shown in the figure: when the USF that listens at descending PDCH2 when terminal is x1, just use up PDCH1 to send data; When the USF that listens at descending PDCH2 when terminal is x2, just use up PDCH1 and up PDCH2 to send data; When the USF that listens at descending PDCH2 when terminal is x3, just use up PDCH1, up PDCH2 and up PDCH3 to send data.
In the present invention, communication system network according to current utilization of resources situation or terminal request situation etc. be terminal distribution the minimum time slot of timeslot number up PDCH correspondence descending PDCH with between for the corresponding descending PDCH of the up PDCH of the low time slot of the time slot number of terminal distribution, select descending PDCH.
In the present invention, for fear of when terminal sends data by up PDCH, other-end in the communication system uses the up PDCH for this terminal distribution to send data, the present invention can be except the descending PDCH for the up PDCH correspondence of terminal distribution that is provided with a plurality of USF for terminal, at other is among the descending PDCH of up PDCH correspondence of terminal distribution, USF among this descending PDCH is set to particular value, as be set to USF=x0, like this, when the other-end in the communication system is monitored these descending PDCH, can receive the particular value of set USF, at this moment just can not send data, can not cause the other-end mistake in the communication system to account for these up PDCH transmission data conditions by the up PDCH of these descending PDCH correspondences.
In the present invention, the available USF resource number that is available USF; Terminal can be travelling carriage (Mobile Station).Communication system of the present invention can be existing any communication system, as the second generation (2G) communication system and the third generation (3G) communication system.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being made within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1, a kind of indicating terminal sends the method for the Packet Data Channel PDCH that data adopted, it is characterized in that this method comprises:
A, communication system are chosen as the descending PDCH of the up PDCH correspondence of terminal distribution, are set to the uplink state sign USF of the up PDCH correspondence of terminal distribution respectively in this descending PDCH, this descending PDCH of notice terminal monitoring;
B, terminal are after this descending PDCH listens to USF, and all up PDCH that number are not higher than the up PDCH place time slot of the USF correspondence that listens to by institute's distributed time slot send data.
2, the method for claim 1 is characterized in that, the process of the descending PDCH of the described selection of steps A is:
Communication system network is selected descending PDCH according to current utilization of resources situation or terminal request situation.
3, the method for claim 1 is characterized in that, the process of the descending PDCH of the described selection of steps A is:
Communication system network with available USF resource the highest be terminal distribution corresponding to the descending PDCH of up PDCH as selected descending PDCH.
4, method as claimed in claim 3, it is characterized in that the highest process of the available USF resource of described selection is carried out between for the descending PDCH of the up PDCH correspondence of the minimum time slot of timeslot number of terminal distribution and the descending PDCH for the up PDCH correspondence of the low time slot of time slot number of terminal distribution:
Communication system network is judged as available USF resource among the descending PDCH of up PDCH correspondence of the minimum time slot of timeslot number of terminal distribution and whether is higher than the available USF resource that equals among the descending PDCH of the up PDCH correspondence of the low time slot of time slot number of terminal distribution, if then in descending PDCH, USF is set for the up PDCH correspondence of the minimum time slot of timeslot number of terminal distribution; Otherwise, in descending PDCH, USF is set for the up PDCH correspondence of the low time slot of the time slot number of terminal distribution.
5, as claim 3 or 4 described methods, it is characterized in that the number that described available USF resource is available USF.
6, the method for claim 1 is characterized in that, the process of this descending PDCH of the described notice terminal monitoring of steps A is:
The information of this PDCH of sign is carried in the up assignment message and sends to terminal; The definite descending PDCH that will monitor of the information of this PDCH of sign that the up assignment message that the terminal basis receives carries.
7, the method for claim 1 is characterized in that, after step B, this method further comprises:
C, communication system relatively are the available USF resource among the descending PDCH of up PDCH correspondence of terminal distribution in real time, be set to the USF of the up PDCH correspondence of terminal distribution among the descending PDCH of a correspondence among the up PDCH that is distributed that when the condition of satisfied setting, is selecting again respectively, this current descending PDCH of notice terminal monitoring;
D, terminal are after this current descending PDCH listens to USF, and all up PDCH that number are not higher than the up PDCH place time slot of the USF correspondence that listens to by institute's distributed time slot send data.
8, method as claimed in claim 7 is characterized in that, the process of this current descending PDCH of the described notice terminal monitoring of step C is:
The information of this current PDCH of sign is carried in the heavy assignment message sends to terminal; The definite descending PDCH that will monitor of the information of this current PDCH of sign that the heavy assignment message that the terminal basis receives carries.
9, the method for claim 1, it is characterized in that the descending PDCH that steps A is described to be chosen as a correspondence among the up PDCH of terminal distribution selects between for the descending PDCH of the up PDCH correspondence of the minimum time slot of timeslot number of terminal distribution and the descending PDCH for the up PDCH correspondence of the low time slot of time slot number of terminal distribution.
10, the method for claim 1, it is characterized in that, this method further comprises: be among the descending PDCH corresponding to up PDCH of terminal distribution, this up PDCH do not comprise available USF resource the highest be the up PDCH of terminal distribution, the other-end in the assurance communication system that USF is set to set can not account for the particular value of the up PDCH of this descending PDCH correspondence by mistake.
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| CNA2006100727312A CN101047884A (en) | 2006-04-06 | 2006-04-06 | Method for indicating used PDCH for terminal transmitting data |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010149015A1 (en) * | 2009-06-25 | 2010-12-29 | 华为技术有限公司 | Method, device and communication system for scheduling uplink resources |
| CN101971684A (en) * | 2008-04-30 | 2011-02-09 | 艾利森电话股份有限公司 | Ul/dl scheduling for full bandwidth utilization |
| CN103686856B (en) * | 2013-12-12 | 2017-09-29 | 京信通信系统（中国）有限公司 | The method for channel allocation and device of a kind of Packet data service |
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2006
- 2006-04-06 CN CNA2006100727312A patent/CN101047884A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101971684A (en) * | 2008-04-30 | 2011-02-09 | 艾利森电话股份有限公司 | Ul/dl scheduling for full bandwidth utilization |
| US8571565B2 (en) | 2008-04-30 | 2013-10-29 | Telefonaktiebolaget L M Ericsson (Publ) | UL/DL scheduling for full bandwidth utilization |
| CN101971684B (en) * | 2008-04-30 | 2014-03-19 | 艾利森电话股份有限公司 | Ul/dl scheduling for full bandwidth utilization |
| US9306715B2 (en) | 2008-04-30 | 2016-04-05 | Telefonaktiebolaget L M Ericsson (Publ) | UL/DL scheduling for full bandwidth utilization |
| WO2010149015A1 (en) * | 2009-06-25 | 2010-12-29 | 华为技术有限公司 | Method, device and communication system for scheduling uplink resources |
| CN101931967B (en) * | 2009-06-25 | 2013-04-17 | 华为技术有限公司 | Dispatching method, device and communication system of uplink resources |
| CN103260243B (en) * | 2009-06-25 | 2016-03-02 | 华为技术有限公司 | A kind of travelling carriage and network equipment |
| CN103686856B (en) * | 2013-12-12 | 2017-09-29 | 京信通信系统（中国）有限公司 | The method for channel allocation and device of a kind of Packet data service |
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