CN101146344A - A downlink resource dynamic allocation system and method in GPRS system - Google Patents
A downlink resource dynamic allocation system and method in GPRS system Download PDFInfo
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- CN101146344A CN101146344A CNA2006101538318A CN200610153831A CN101146344A CN 101146344 A CN101146344 A CN 101146344A CN A2006101538318 A CNA2006101538318 A CN A2006101538318A CN 200610153831 A CN200610153831 A CN 200610153831A CN 101146344 A CN101146344 A CN 101146344A
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Abstract
The utility model discloses a system and method for the dynamic allocation of downlink resource under GPRS system. The system includes a mobile station and a corresponding radio network. A bitmap information reconfiguring module is added to the core network; the bitmap information reconfiguring module builds up bitmap information corresponding to the current time slot according to the status of time slot allocation throughout the time domain defined by the core network. The bitmap information contains idle time slot information and/or time slot information allocated to other mobile stations within the scope of set time slot after the current time slot. The core network allocates subsequent idle time slots according to the bitmap information. The method includes the following steps: the network side determines the state of time slot allocation throughout the time domain; the network side builds up bitmap information corresponding to current time slot according to the state of time slot allocation; The bitmap information contains idle time slot information and/or time slot information allocated to other mobile stations within the scope of set time slot after the current time slot. and builds up the bit information corresponding to the current time slot; the network side allocates subsequent idle time slots according to the bitmap information.
Description
Technical field
The present invention relates to a kind of mobile communication technology, relate in particular to the system and method for downlink resource dynamic assignment in a kind of gprs system.
Background technology
GPRS is a kind of mobile pocket data business that grows up on existing global system for mobile communications basis.GPRS is by introduce the packet switching functional entity in global digital mobile communication network, with the transfer of data of supporting to adopt packet mode to carry out.Gprs system can be regarded as the business that circuit switching system in original global system for mobile communications is carried out and expands, and utilizes portable terminal to insert the demand of the Internet or other packet data network to satisfy travelling carriage.
As shown in Figure 1, gprs system comprises travelling carriage 1 and corresponding wireless network, and described wireless network comprises base station 2, base station control station and core net 4.Above-mentioned core net 4 is given each corresponding travelling carriage 1 according to the message bit pattern of current time slots correspondence with each follow-up time slot allocation, for example, distributes to other travelling carriages, or the time slot allocation of free time is given the travelling carriage of current time slots correspondence.At each time slot, wireless network is to the travelling carriage allocation of downlink resource of correspondence.
Introduce the process of allocation of downlink resource in the gprs system below, as shown in Figure 2, network side issues downlink grouped link assignment message (01) to travelling carriage on the downlink grouped associated control channel, after travelling carriage receives this assignment messages, to a grouping control of network side feedback response message (02), the expression travelling carriage has received the downlink grouped link assignment message that network side issues; Afterwards, network side is according to above-mentioned downlink grouped link assignment message, issue data block (03) by Packet Data Channel to travelling carriage, the moment of setting, network side can add polling message (04) in the data block that issues, after travelling carriage receives this polling message, receive the situation of data block in conjunction with it, on the downlink grouped associated control channel, confirm to reply/deny response message (05), to represent success or unsuccessfully to have received data block to grouping downlink of network side feedback.Because GPRS network is the transmitted in packets data block, therefore, network side continues to issue data block (06) by Packet Data Channel to travelling carriage after definite travelling carriage has successfully received above-mentioned data block.Network side can issue to travelling carriage in the process of data block (06), the moment of setting, in the downlink grouped link assignment message that issues to travelling carriage, add polling message (07) by the downlink grouped associated control channel, come the poll travelling carriage whether correctly to receive assignment information, travelling carriage is then controlled response message (08) according to its reception situation to grouping of network side feedback, confirms correctly to have received assignment information.Network side continues to issue data block (09) to travelling carriage by Packet Data Channel, and in last data block, add polling message (10), come the reception condition of poll travelling carriage to data block, travelling carriage then receives the data block situation according to it, feed back a grouping downlink and confirm to reply/deny response message (11), to represent success or unsuccessfully to have received all data blocks.
In the process of above-mentioned GPRS allocation of downlink Radio Resource, downlink grouped link assignment message (01) the message feedback grouping control response message (02) that travelling carriage issues network side, and travelling carriage poll that network side is issued its receive the message (07) of downlink grouped link assignment message scenario and the grouping control response message (08) of feedback, these response messages send in a up-link wireless block period according to reserved block period relatively.Mobile station side begins to send to the response message of confirming from beginning the complete downstream assigned message that receives, and has the time delay of 40ms to 100ms usually.And the reaction time of network in the cycle, is 0～300ms at the radio block of bearer service maximum appointment reciprocal normally, and relatively the reaction time of You Huaing is 60ms.Suppose under best situation, the response message of assignment messages and affirmation all receives correctly, and reserved block period and bearer service maximum reciprocal is all got optimum relatively, and promptly reserved block period is got 40ms relatively, bearer service maximum reciprocal is got 60ms, and then Zui Xiao time delay also will reach 100ms.In the time delay of this 100ms, wireless network resource is not used by network and any travelling carriage, but has been wasted.
In view of this, by utilizing the reserved place in the PT Payload Type in the GPRS downlink data block, change final piece simultaneously and indicate the idle time slot of realizing this 100ms to utilize in the prior art.
As shown in Figure 3, three piece B1, B2, the B3 of the left side one row do not utilize the wherein transmission of data blocks schematic diagram of idle time slot.In piece B1, time slot 0 has all been distributed to the travelling carriage of corresponding Packet Data Channel to time slot 7 these 8 time slots, and in piece B2 and B3, time slot 4 and time slot 6 are idle, the unallocated travelling carriage of giving any one Packet Data Channel.
Among three piece B1, B2 of row, the B3,, change final piece indication simultaneously and realized redistributing on the right idle time slot 4 and idle time slot 6 by utilizing the reserved place in the PT Payload Type in the GPRS downlink data block.In piece B1, time slot 0 has all been distributed to the travelling carriage of corresponding Packet Data Channel to time slot 7 these 8 time slots; Network side can determine that according to its record time slot 4 and time slot 6 are idle in the data block after piece B2, can use to the travelling carriage of current time slots 1 correspondence the time slot allocation of these two free time.So in piece B2, network side adds message bit pattern in the Packet Data Channel of time slot 1, this message bit pattern has been indicated the time slot allocation information of next the setting time slot scope that constantly can distribute.For example " 00101 ", represented the time slot allocation information in 5 time slot scopes after the current time slots 1 successively, wherein " 0 " represents indistributable time slot, and " 1 " representative can distributed time slot, and " 00101 " expression time slot 4 and time slot 6 all are the idle time slots that can distribute; In piece B3, according to the message bit pattern " 00101 " in the Packet Data Channel of time slot 1 among the above-mentioned B2, time slot 4 and time slot 6 are assigned to the travelling carriage of corresponding Packet Data Channel, thereby have realized the utilization to idle time slot.
Above-mentioned message bit pattern according to current time slots carries out in the assigning process of idle time slot, can only be assigned to the narrow idle time slot that message bit pattern can be expressed, as above rheme figure information has covered 5 expansion time slots after the current time slots, and this message bit pattern can only be included in the Packet Data Channel of current time slots.Like this, just may cause limitting, and make the idle time slot outside the message bit pattern coverage can not get distributing because of the coverage of message bit pattern.As shown in Figure 4, in current time slots 1, can only carry out dynamic assignment to idle time slot 4 in the subsequent expansion time slot and idle time slot 6 according to message bit pattern " 00101 " wherein; Even and time slot 0 is idle,, also can't carry out idle time slot 0 is carried out dynamic assignment because the range of distribution that message bit pattern covers in the current time slots 1 is limit.Desire is distributed this free time time slot 0, will wait until time slot 3 at least, could carry out dynamic assignment to this free time time slot 0 by the message bit pattern in the time slot 3.
This shows, in the prior art method of idle time slot allocation is depended on the message bit pattern of current time slots, and the range of distribution that the message bit pattern of current time slots covers is limited, this has just directly caused distributing the scope of idle time slot can not cover whole time domain scope.If still there is the idle time slot that can distribute outside the range of distribution that current bitmap information covers, existing distribution method is just powerless, so still has waste of network resources.
Summary of the invention
The present invention is directed to the shortcoming of prior art, the system and method for downlink resource dynamic assignment in a kind of gprs system is provided, can distribute the idle time slot on the whole time domain comprehensively, improve the utilance of network.
The system of downlink resource dynamic assignment in the gprs system of the present invention comprises travelling carriage and corresponding wireless network, and described wireless network comprises base station, base station control station and core net, also is provided with the message bit pattern reconstructed module in core net;
This message bit pattern reconstructed module is according to the time slot allocation state on the definite whole time domain of core net, make up the message bit pattern of current time slots correspondence, comprise the gap information of setting the idle gap information in the time slot scope after the current time slots and/or distributing to other travelling carriages in this message bit pattern;
Core net is distributed subsequent idle time slot according to the message bit pattern that the message bit pattern reconstructed module makes up.
Above-mentioned time slot allocation state comprises that time slot is an idle condition, or time slot distributed to the travelling carriage of current time slots correspondence, or time slot has been distributed to other travelling carriages.
The present invention also provides the method for downlink resource dynamic assignment in a kind of gprs system, and its step comprises:
Among the present invention, described time slot allocation state comprises that time slot is an idle condition, or time slot distributed to the travelling carriage of current time slots correspondence, or time slot has been distributed to other travelling carriages.
The idle time slot method of dynamic assignment of the present invention only is that the message bit pattern that comprises in the Packet Data Channel according to current time slots carries out the distribution of subsequent timeslot.When making up the message bit pattern of current time slots correspondence, do not comprise the gap information of having distributed to the corresponding travelling carriage of current time slots in the message bit pattern, like this, the represented time slot allocation coverage of message bit pattern has just enlarged, thereby overcome the drawback that causes to make full use of the idle time slot on the whole time domain in the prior art because of the limited coverage area of message bit pattern, improved the utilance of network greatly.
Description of drawings
Fig. 1 is the system configuration schematic diagram of gprs system allocation of downlink resource in the prior art;
Fig. 2 is the schematic flow sheet of gprs system allocation of downlink resource in the prior art;
Fig. 3 is the Time Slot Occupancy schematic diagram of gprs system allocation of downlink resource in the prior art;
Fig. 4 is the another kind of Time Slot Occupancy signal of gprs system allocation of downlink resource in the prior art;
Fig. 5 is the method flow diagram of gprs system dynamic assignment downlink resource of the present invention;
Fig. 6 is the Time Slot Occupancy schematic diagram of gprs system dynamic assignment downlink resource of the present invention;
Fig. 7 is the another kind of Time Slot Occupancy schematic diagram of gprs system dynamic assignment downlink resource of the present invention.
Embodiment
Among the present invention, by making up the message bit pattern only comprise the idle gap information after the current time slots and/or to distribute to the gap information of other travelling carriages, and distribute idle time slot by this message bit pattern, thereby realized the idle time slot of whole time domain is carried out dynamic assignment, improved the utilance of network greatly.
The present invention will be further described below in conjunction with accompanying drawing.
The system of dynamic assignment downlink resource in the gprs system of the present invention, increase is provided with the message bit pattern reconstructed module in the core net of prior wireless network.This message bit pattern reconstructed module makes up the message bit pattern of current time slots correspondence, i.e. the message bit pattern of current mobile station place time slot correspondence according to the time slot allocation state on the definite whole time domain of core net.Comprise the gap information of setting the idle gap information in the time slot scope after the current time slots and/or distributing to other travelling carriages in this message bit pattern.After the message bit pattern of current mobile station place time slot correspondence made up and finishes, core net can be distributed subsequent idle time slot in the whole time domain according to this message bit pattern.
The distribution state of each time slot can be determined according to its record by core net on the above-mentioned whole time domain.
Core net can determine that according to its record which time slot is an idle condition, which time slot has been distributed to the travelling carriage of current time slots correspondence, which time slot has been distributed to other travelling carriage, and makes up the message bit pattern of current time slots correspondence according to the time slot allocation state on the whole time domain of determining.
With Fig. 6 is example, and the time slot 0 among the piece B1 is to the whole time domain scope of time slot 7, and 8 time slots are all busy, all distributed to the travelling carriage of corresponding Packet Data Channel, and time slot 4 has been distributed to the travelling carriage of the Packet Data Channel of current time slots 1 correspondence.
Core net can also be determined in the data block after piece B2 according to its record, time slot 4 continues to distribute to the travelling carriage of the Packet Data Channel of current time slots 1 correspondence, time slot 6 and time slot 7 are idle, and time slot 2, time slot 3, time slot 5 have been distributed to the travelling carriage of other Packet Data Channels.
Message bit pattern reconstructed module in the core net makes up the message bit pattern of current time slots correspondence according to the time slot allocation state on the definite whole time domain of core net.
If each time slot after the current time slots all is in idle condition, then comprise the idle gap information of the setting time slot scope after the current time slots in the message bit pattern of Gou Jianing;
If each time slot after the current time slots is all distributed to other travelling carriages, then comprise the gap information of distributing to other travelling carriages of the setting time slot scope after the current time slots in the message bit pattern of Gou Jianing;
If have idle time slot and the time slot of distributing to other travelling carriages after the current time slots simultaneously, then comprise the idle gap information of setting the time slot scope and the gap information of distributing to other travelling carriages in the message bit pattern of Gou Jianing.
Be example with Fig. 6 still, corresponding to piece B2, time slot 4 has been distributed to the travelling carriage of time slot 1 correspondence, and time slot 6 and time slot 7 are idle time slot, and time slot 2, time slot 3, time slot 5 are for distributing to the travelling carriage of other Packet Data Channels.So, the message bit pattern of the current time slots correspondence that the message bit pattern reconstructed module makes up is " 00011 ", wherein, " 0 " representative can not be carried out distributed time slot, and " 1 " representative can be carried out distributed time slot, " 0 " of diverse location or " 1 " are corresponding to different time slots, first " 0 " corresponding to time slot 2, the second " 0 " corresponding to time slot 3, the three " 0 " corresponding to time slot 5, the 4th " 1 " corresponding to time slot 6, the five " 1 " corresponding to time slot 7.As seen, the time slot 4 that does not comprise the travelling carriage of having distributed to current time slots 1 corresponding Packet Data Channel in the message bit pattern of the current time slots correspondence of structure.
Core net is distributed subsequent idle time slot according to the message bit pattern that above-mentioned message bit pattern reconstructed module makes up, and is about to the travelling carriage that idle time slot 6 and time slot 7 are distributed to current time slots 1 corresponding Packet Data Channel.Corresponding to piece B3, as can be seen, the idle time slot in the whole time domain has all obtained distribution.
By as can be seen above-mentioned, in the gprs system of the present invention in the system of downlink resource dynamic assignment, do not comprise in the message bit pattern that makes up and distributed to current mobile station time slot corresponding information, and only comprise the idle gap information in the follow-up setting time slot scope and distribute to the gap information of other travelling carriages, therefore, the message bit pattern that makes up can be represented bigger time slot coverage, carries out the distribution of time interval resource according to this message bit pattern, can improve the utilance of network.
The present invention also provides the method for downlink resource dynamic assignment in a kind of gprs system, and as shown in Figure 5, its step comprises:
Step 101, network side are determined the time slot allocation state on the whole time domain.
Network side can be determined the distribution state of each time slot on the whole time domain according to its record, determines that promptly which time slot is idle, and which time slot has been distributed to the travelling carriage of current time slots correspondence, and which time slot has been distributed to other travelling carriages.
As shown in Figure 6, the time slot 0 among the piece B1 is to the whole time domain scope of time slot 7, and 8 time slots are all busy, all distributed to the travelling carriage of corresponding Packet Data Channel, and time slot 4 has been distributed to the travelling carriage of the Packet Data Channel of current time slots 1 correspondence.
Network side can be determined in the data block after piece B2 according to its record, time slot 4 continues to distribute to the travelling carriage of the Packet Data Channel of current time slots 1 correspondence, time slot 6 and time slot 7 are idle, and time slot 2, time slot 3, time slot 5 have been distributed to the travelling carriage of other Packet Data Channels.
Step 102, network side be according to above-mentioned time slot allocation state, makes up the message bit pattern of current time slots correspondence, comprises the gap information of setting the idle gap information in the time slot scope after the current time slots and/or distributing to other travelling carriages in this message bit pattern.
In this step, network side makes up the message bit pattern of current time slots correspondence according to the time slot allocation state of having determined, if each time slot after the current time slots all is in idle condition, then only comprise the idle gap information of the setting time slot scope after the current time slots in the message bit pattern of this structure; If each time slot after the current time slots is all distributed to the travelling carriage of other Packet Data Channels, then only comprise the gap information of distributing to other travelling carriages of the setting time slot scope after the current time slots in the message bit pattern of Gou Jianing; If both there had been idle time slot in each time slot after the current time slots, the time slot that has the travelling carriage of distributing to other Packet Data Channels has again then comprised the gap information of setting the idle gap information of time slot scope and distributing to other travelling carriages simultaneously in the message bit pattern of Gou Jianing.That is to say, in the message bit pattern of the current time slots correspondence of structure, do not comprise the gap information of having distributed to the corresponding travelling carriage of current time slots after the current time slots.
According to the time slot allocation state of determining in the above-mentioned steps 101, time slot 4 has been distributed to the travelling carriage of time slot 1 correspondence, and time slot 6 and time slot 7 are idle time slot, and time slot 2, time slot 3, time slot 5 are for distributing to the travelling carriage of other Packet Data Channels.So, the message bit pattern of the current time slots correspondence that makes up is " 00011 ", wherein, " 0 " representative can not be carried out distributed time slot, and " 1 " representative can be carried out distributed time slot, " 0 " of diverse location or " 1 " are corresponding to different time slots, first " 0 " corresponding to time slot 2, the second " 0 " corresponding to time slot 3, the three " 0 " corresponding to time slot 5, the 4th " 1 " corresponding to time slot 6, the five " 1 " corresponding to time slot 7.As seen, the time slot 4 that does not comprise the travelling carriage of having distributed to current time slots 1 corresponding Packet Data Channel in the message bit pattern of the current time slots correspondence of structure.
Step 103, network side distributes subsequent idle time slot according to above-mentioned message bit pattern.
Through step 102, made up the message bit pattern of current time slots correspondence, so, in this step, distribute according to the message bit pattern of the current time slots correspondence that the makes up idle time slot after to current time slots.
According to the message bit pattern " 00011 " of the current time slots correspondence that makes up in the step 102, in this step, idle time slot 6 and idle time slot 7 are distributed to the travelling carriage of the Packet Data Channel of current time slots 1 correspondence, promptly corresponding to piece B3.
Through above-mentioned dynamic allocation procedure, idle time slot 6 and idle time slot 7 have been distributed to the travelling carriage of current time slots 1 correspondence, or else have idle time slot in whole time domain, thereby have realized the effective utilization to Internet resources.Compared with prior art, owing to do not comprise the information of the time slot 4 of having distributed to current time slots 1 corresponding travelling carriage in the message bit pattern of current time slots 1 correspondence that makes up, make the coverage of the message bit pattern after making up enlarge, promptly from prior art, can only cover time slot 6, expand to and use the present invention's time slot 7 afterwards, realized the time interval resource of better utilization free time.
Above-mentioned is that example illustrates the present invention to distribute idle time slot 6 and idle time slot 7, has distributed at time slot 4 under the situation of current time slots 1 corresponding travelling carriage, and the message bit pattern of current time slots 1 correspondence of structure can distribute time slot 6 and time slot 7.Present hypothesis, time slot 4 is distributed to the travelling carriage of current time slots 1 correspondence on the whole time domain, and time slot 6, time slot 7, time slot 0 be the free time, then distribute by following process each time slot to the free time.
For time slot 6 and time slot 7, still distribute as stated above, after time slot 6 and time slot 7 are distributed to the travelling carriage of current time slots 1 correspondence, make up the message bit pattern of current time slots 1 correspondence once more according to the time slot allocation state in the whole time domain.Because time slot 4, time slot 6, time slot 7 have been distributed to the travelling carriage of current time slots 1 correspondence, therefore, in the new message bit pattern that makes up, just be not contained in the information of these several time slots.The new message bit pattern that makes up is " 00011 ", though the message bit pattern of this structure is identical with the message bit pattern form of aforementioned structure, but wherein the message bit pattern of " 0 " of each position or " 1 " time slot corresponding information and aforementioned structure is also inconsistent, wherein, first " 0 " corresponding to time slot 2, the second " 0 " corresponding to time slot 3, the three " 0 " corresponding to time slot 5, the 4th " 1 " corresponding to time slot 0, the five " 1 " corresponding to time slot 1.Passed through this and rebuild message bit pattern, the coverage of the message bit pattern of current time slots correspondence further enlarges, and network side can distribute the idle time slot of whole time domain.
Above-mentionedly continue a plurality of data blocks for the travelling carriage of current time slots 1 correspondence distributes the process of idle time slot 6, time slot 7, time slot 0, when a certain moment, when network side determined that time slot 6, time slot 7, time slot 0 no longer belong to idle time slot, this dynamic allocation procedure finished.At this moment, the message bit pattern in the current time slots 1 is " 00000 ", represents the idle time slot that can not distribute in the whole time domain.
Fig. 7 has expressed the process of the idle time slot of above-mentioned dynamic assignment intuitively.In the message bit pattern of current time slots 1 correspondence, do not comprise time slot 4 information of having distributed to current time slots 1 corresponding travelling carriage, therefore, the represented time slot allocation expanded range of message bit pattern arrives time slot 7, network side is distributed to the travelling carriage of current time slots 1 correspondence, i.e. corresponding process a1 according to this message bit pattern with time slot 6; Time slot 7 is distributed to the travelling carriage of current time slots 1 correspondence, i.e. corresponding process a2.Through above-mentioned assigning process, the idle time slot on the whole time domain all is utilized, and no longer has idle time slot.
Among the present invention, network side is when making up the message bit pattern of current time slots correspondence, in bitmap, do not comprise the gap information of having distributed to the corresponding travelling carriage of current time slots, and include only the idle gap information of setting in the time slot scope, and/or distribute to the gap information of other travelling carriages.Network side distributes idle time slot in the whole time domain according to the message bit pattern of the current time slots correspondence of this structure.Because when making up message bit pattern, other time slots of distributing to the corresponding travelling carriage of current time slots have been got rid of, make the new message bit pattern that makes up to utilize the wider idle gap information of finite information quantitaes, thereby overcome the drawback that causes to make full use of the idle time slot on the whole time domain in the prior art because of the limited coverage area of message bit pattern, improved the utilance of network greatly.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in specification and the execution mode, it can be applied to various suitable the field of the invention fully, for those skilled in the art, can easily realize other modification, therefore under the universal that does not deviate from claim and equivalency range and limited, the legend that the present invention is not limited to specific details and illustrates here and describe.
Claims (12)
1. the system of downlink resource dynamic assignment in the gprs system comprises travelling carriage and corresponding wireless network, and described wireless network comprises base station, base station control station and core net, it is characterized in that: also be provided with the message bit pattern reconstructed module in the described core net;
This message bit pattern reconstructed module is according to the time slot allocation state on the definite whole time domain of core net, make up the message bit pattern of current time slots correspondence, comprise the gap information of setting the idle gap information in the time slot scope after the current time slots and/or distributing to other travelling carriages in this message bit pattern;
Core net is distributed subsequent idle time slot according to the message bit pattern that the message bit pattern reconstructed module makes up.
2. the system of downlink resource dynamic assignment as claimed in claim 1 is characterized in that, described core net is determined the distribution state of each time slot on the whole time domain according to its record.
3. the system of downlink resource dynamic assignment as claimed in claim 1 or 2 is characterized in that, described time slot allocation state comprises that time slot is an idle condition, or time slot distributed to the travelling carriage of current time slots correspondence, or time slot has been distributed to other travelling carriages.
4. the system of downlink resource dynamic assignment as claimed in claim 1 is characterized in that, if each time slot after the current time slots all is in idle condition, then comprises the idle gap information of the setting time slot scope after the current time slots in the message bit pattern of Gou Jianing.
5. the system of downlink resource dynamic assignment as claimed in claim 1, it is characterized in that, if each time slot after the current time slots is all distributed to other travelling carriages, then comprise the gap information of distributing to other travelling carriages of the setting time slot scope after the current time slots in the message bit pattern of Gou Jianing.
6. the system of downlink resource dynamic assignment as claimed in claim 1, it is characterized in that, if have idle time slot and the time slot of distributing to other travelling carriages after the current time slots simultaneously, then comprise the idle gap information of setting the time slot scope and the gap information of distributing to other travelling carriages in the message bit pattern of Gou Jianing.
7. the method for downlink resource dynamic assignment in the gprs system is characterized in that step comprises:
Step 1, network side are determined the time slot allocation state on the whole time domain;
Step 2, network side be according to above-mentioned time slot allocation state, makes up the message bit pattern of current time slots correspondence, comprises the gap information of setting the idle gap information in the time slot scope after the current time slots and/or distributing to other travelling carriages in this message bit pattern;
Step 3, network side distributes subsequent idle time slot according to above-mentioned message bit pattern.
8. the method for downlink resource dynamic assignment as claimed in claim 7 is characterized in that, in the described step 1, network side is determined the distribution state of each time slot on the whole time domain according to its record.
9. as the method for claim 7 or 8 described downlink resource dynamic assignment, it is characterized in that described time slot allocation state comprises that time slot is an idle condition, or time slot distributed to the travelling carriage of current time slots correspondence, or time slot other travelling carriages have been distributed to.
10. the method for downlink resource dynamic assignment as claimed in claim 7, it is characterized in that, in the described step 2,, then comprise the idle gap information of the setting time slot scope after the current time slots in the message bit pattern of Gou Jianing if each time slot after the current time slots all is in idle condition.
11. the method for downlink resource dynamic assignment as claimed in claim 7, it is characterized in that, in the described step 2, if each time slot after the current time slots is all distributed to other travelling carriages, then comprise the gap information of distributing to other travelling carriages of the setting time slot scope after the current time slots in the message bit pattern of Gou Jianing.
12. the method for downlink resource dynamic assignment as claimed in claim 7, it is characterized in that, in the described step 2, if have idle time slot and the time slot of distributing to other travelling carriages after the current time slots simultaneously, then comprise the idle gap information of setting the time slot scope and the gap information of distributing to other travelling carriages in the message bit pattern of Gou Jianing.
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| CN102695284A (en) * | 2012-05-31 | 2012-09-26 | 华为技术有限公司 | Processing method, equipment and system of downlink block data |
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| US5956642A (en) * | 1996-11-25 | 1999-09-21 | Telefonaktiebolaget L M Ericsson | Adaptive channel allocation method and apparatus for multi-slot, multi-carrier communication system |
| WO1998037706A2 (en) * | 1997-02-21 | 1998-08-27 | Motorola Inc. | Method and apparatus for allocating spectral resources in a wireless communication system |
| US6563806B1 (en) * | 1997-12-12 | 2003-05-13 | Hitachi, Ltd. | Base station for multi-carrier TDMA mobile communication system and method for assigning communication channels |
| US6895248B1 (en) * | 1998-06-02 | 2005-05-17 | The Board Of Trustees Of The Leland Stanford Junior University | Dynamic resource allocation and media access control for a wireless ATM network |
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| CN102695284A (en) * | 2012-05-31 | 2012-09-26 | 华为技术有限公司 | Processing method, equipment and system of downlink block data |
| CN102695284B (en) * | 2012-05-31 | 2015-05-27 | 华为技术有限公司 | Processing method, equipment and system of downlink block data |
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