CN107995653A - A kind of method for managing resource - Google Patents
A kind of method for managing resource Download PDFInfo
- Publication number
- CN107995653A CN107995653A CN201610947977.3A CN201610947977A CN107995653A CN 107995653 A CN107995653 A CN 107995653A CN 201610947977 A CN201610947977 A CN 201610947977A CN 107995653 A CN107995653 A CN 107995653A
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- base station
- mac layer
- station side
- caching
- configured information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0278—Traffic management, e.g. flow control or congestion control using buffer status reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention discloses a kind of method for managing resource, including：Transmission window under base station side RLC AM patterns stops, but when timer is in during operation, base station side rlc layer sends caching as empty configured information to base station side MAC layer, so that the base station side MAC layer discharges idle wireless resource according to the configured information.The method of the present invention can send window stopping in rlc layer and send caching non-NULL, and during t PollRetransming timers are run, rlc layer instruction MAC layer does not initiate scheduling authorization, and promotion MAC layer release interface-free resources, avoid Lame delegation and the wasting of resources.
Description
Technical field
The present invention relates to field of communication technology, and in particular to a kind of method for managing resource.
Background technology
In 3G/4G wireless communication systems, base station receives the data packet to come from core net and first passes through PDCP (grouped datas
Convergence protocol, Packet Data Convergence Protocol)) layer, at PDCP layers after IP Header compressions and encryption,
RLC (radio link layer control protocol, Radio Link Control) layer is gone to, according to MAC (media access controls in rlc layer
System, Media Access Control) layer transmission demand be segmented and concatenated after, data packet is returned again into MAC layer, finally
Eat dishes without rice or wine to form wireless signal and send from MAC layer connection.
In the prior art, it is divided into demand, data-transmission mode rlc layer is transmitted according to business the characteristics of：There is connection really
Recognize the transmission mode (such as AM patterns) of pledge system and the connectionless transmission mode for confirming to ensure.
The transmission for confirming guarantee is connected for having, is exactly after transmitting terminal sends data packet, receiving terminal is needed according to reception feelings
Whether condition feedback acknowledgment bag, notice transmitting terminal receive correctly, and transmitting terminal decides whether to be retransmitted with this.
At present, the feedback acknowledgment and retransmission mechanism that RLC AM patterns use are summarized as follows：
The transmission window (VT (A)-VT (MS)) of fixed size is set and receives window (VR (R)-VR (MR)).RLC AM moulds
Formula sends window and corresponding state variable as shown in Figure 1, transmitting terminal often sends PDU (protocol Data Unit, a Protocol
Data Unit) then transmission window can be buffered according to the sequence number of transmission, the initial position VT (A) for sending window is always updated to first
A cache location to be feedback for confirming to receive successful data packet, only constantly receives the reception success message of receiving terminal feedback
Corresponding caching bag can be emptied, and has an opportunity to promote backward.Once sending window expires, VT (S)=VT (MS), then will not send new
Data PDU.RLC AM patterns receive window and corresponding state variable is as shown in Figure 2.Receiving terminal is similarly to receive rising for window
Beginning position VR (R) is maintained at first without the cache location for receiving successful data bag, only confirms to receive successfully can just submit
To high level, and empty the caching and have an opportunity to elapse backward.
ARQ (Automatic Repeat Query, automatic retransmission request) process of RLC AM patterns includes re-transmission, poll
And state report, its trigger mechanism are summarized as follows：
ARQ retransmission conditions：A) t-PollRetransming timers expire；Also, b) send caching and retransmit caching all
For sky, stop alternatively, c) sending window.
Poll sends condition：a)PDU_WITHOUT_POLL>=pollPDU or BYTE_WITHOUT_POLL>=
pollByte；Alternatively, it is all sky b) to send caching and retransmit caching；Stop alternatively, c) sending window.Start after initiating poll report
Or restart t-PollRetransming.
State report trigger condition：A) after poll is initiated in sending side, receiving side meets that the PDU is dropped or SN<VR(MS)
or SN>=VR (MR)；Alternatively, b) receiving side detects PDU reception failures and t-Reordering time-out.
However, under RLC AM patterns, send caching non-NULL and send under the scene of window stopping, transmitting terminal initiates poll report
Accuse, start or restart t-PollRetransming.Before t-PollRetransming timers expire, RLC re-transmissions will not occur,
Because sending window to stop, RLC new data transmissions will not occur, simultaneously as sending caching non-NULL, MAC layer, which will not discharge, eats dishes without rice or wine
Resource still can dispatch the user, cause interface-free resources to waste.
The content of the invention
In view of the above problems, the present invention proposes the one kind for overcoming the above problem or solving the above problems at least in part
Method for managing resource.
For this purpose, in a first aspect, the present invention proposes a kind of method for managing resource, including：
Transmission window under base station side RLC AM patterns stops, but when timer is in during operation, base station side rlc layer to
Base station side MAC layer sends caching as empty configured information, so that the base station side MAC layer is handed over according to the configured information and terminal
Mutually release idle wireless resource.
Alternatively, the method further includes：
If the base station side rlc layer receives the state report information that opposite end rlc layer is sent, to the base station side MAC
Layer sends the configured information of caching non-NULL, so that configured information and terminal interaction of the base station side MAC layer according to the caching non-NULL.
Alternatively, the method further includes：
If it is not sky that the timer, which expires and retransmits caching, in the base station side rlc layer, to the base station side MAC layer
The configured information of caching non-NULL is sent, so that configured information and terminal interaction of the base station side MAC layer according to the caching non-NULL.
Second aspect, the present invention propose a kind of method for managing resource, including：
It is empty configured information that base station side MAC layer, which receives the caching that base station side rlc layer is sent,；Wherein, the configured information
Sent when during the transmission window for being base station side rlc layer under RLC AM patterns stopping, but timer is in operation；
The base station side MAC layer discharges current idle wireless resource according to the configured information.
Alternatively, the method further includes：The base station side MAC layer no longer issues scheduling authorization information to opposite end.
Alternatively, the method further includes：
The base station side MAC layer receives the configured information for the caching non-NULL that the base station side rlc layer is sent, and according to described
Cache the configured information and terminal interaction of non-NULL；
Wherein, the configured information for caching non-NULL receives the state report of opposite end rlc layer transmission for the base station side rlc layer
Sent during information, or the timer expires and retransmits caching and sends when not being sky in the rlc layer.
The third aspect, the present invention propose a kind of method for managing resource, including：Transmission window under the RLC AM patterns of end side
Stop, but when timer is in during operation, end side rlc layer sends caching as empty configured information to end side MAC layer；With
End side MAC layer generation is set to be used for the ending BSR information for indicating base station side MAC layer release idle wireless resource.
Alternatively, the method further includes：If the end side rlc layer receives the state report that opposite end rlc layer is sent
Information, then send the configured information of caching non-NULL to the end side MAC layer, so that the end side MAC layer is according to described slow
The configured information for depositing non-NULL is interacted with base station；
Alternatively,
If it is not sky that the timer, which expires and retransmits caching, in the end side rlc layer, sent out to the terminal mac layer
The configured information of caching non-NULL is sent, so that configured information and terminal interaction of the end side MAC layer according to the caching non-NULL.
Fourth aspect, the present invention propose a kind of method for managing resource, including：Transmission window under the RLC AM patterns of end side
Stop, but when timer is in during operation, the caching that end side MAC layer receiving terminal side rlc layer is sent is empty instruction letter
Breath；
End side MAC layer generates ending BSR information according to the configured information, and by the ending BSR information
Base station side MAC layer is sent, so that the base station side MAC layer discharges idle wireless resource according to the ending BSR information.
Alternatively, the method further includes：The end side MAC layer no longer initiates scheduling request information to opposite end MAC layer.
As shown from the above technical solution, method for managing resource proposed by the present invention, the transmission window under RLC AM patterns stop
Only, when but timer is in during running, base station side rlc layer sends caching as empty configured information to base station side MAC layer, so that
The base station side MAC layer discharges idle wireless resource according to the configured information, and then MAC layer does not initiate scheduling authorization information,
So that MAC layer discharges interface-free resources, Lame delegation and the wasting of resources are avoided.
Brief description of the drawings
Fig. 1 is the schematic diagram that RLC AM patterns send window and corresponding state variable in the prior art；
Fig. 2 is the schematic diagram that RLC AM patterns receive window and corresponding state variable in the prior art；
Fig. 3 is a kind of flow diagram for method for managing resource that one embodiment of the invention provides.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment be the present invention
Part of the embodiment, instead of all the embodiments.
It should be noted that herein, " first ", " second ", " the 3rd ", " the 4th " printed words are used merely to will be identical
Title distinguishes, rather than implies the relation or order between these titles.
At present, all it is sky when rlc layer sends caching and retransmits caching, for uplink, terminal mac layer generation ending
BSR is sent to base station, and for downlink, base station MAC layer generation caching is empty report.Base station side continuously receives uplink ending
BSR number or statistics down buffer storage are that empty report number exceedes the largest buffered set as sky number, and the release of base station side MAC layer is empty
Mouth Radio Resource.
However, stop for the transmission window under base station side or the RLC AM patterns of end side, but timer is in the runtime
Between (i.e. cache and retransmit caching for sky) when, at this time, base station side MAC layer will not discharge interface-free resources or still can dispatch
The user, causes interface-free resources to waste.
Embodiment one
The present embodiment provides a kind of rlc layer and the united method for managing resource of MAC layer, specific method is included not shown in figure
Step A01：
Step A01, transmission window under base station side RLC AM patterns stops, but when timer is in during operation, base station
Side rlc layer sends caching as empty configured information to base station side MAC layer, so that the base station side MAC layer is believed according to the instruction
Breath and terminal interaction release idle wireless resource.
The rlc layer and MAC layer joint resource management method of the present embodiment, are believed by the cross-layer of base station side rlc layer and MAC layer
Breath interaction, improves the utilization ratio of idle wireless resource.
In an optional implementation manner, preceding method may also include the step A02 not shown in following figures：
If A02, base station side rlc layer receive the state report information that opposite end rlc layer is sent, to the base station side MAC
Layer sends the configured information of caching non-NULL, so that configured information and terminal interaction of the base station side MAC layer according to the caching non-NULL.
Certainly, in other embodiments, the step A02 at this can also be the A02 ' not shown in figure:
A02 ' if, the timer expires and retransmits caching in the base station side rlc layer is not sky, to the base station side
MAC layer sends the configured information of caching non-NULL, so that base station side MAC layer is handed over according to the configured information of the caching non-NULL with terminal
Mutually.
The method of the present embodiment, passes through base station side rlc layer and base station side MAC layer cross-layer information exchange so that base station side RLC
Transmission window under AM patterns stops, but when timer is in during operation, base station side MAC layer can discharge interface-free resources, and then
Improve the utilization ratio of idle wireless resource.
Embodiment two
As shown in figure 3, the present embodiment provides a kind of rlc layer and the united method for managing resource of MAC layer, specific method includes
Step B01 and step B02：
It is empty configured information that B01, base station side MAC layer, which receive the caching that base station side rlc layer is sent,；Wherein, the instruction
Sent when during information being transmission window stopping of the base station side rlc layer under RLC AM patterns, but timer is in operation；
B02, base station side MAC layer discharge current idle wireless resource according to the configured information.
Alternatively, in practical applications, after performing step B02, the method shown in Fig. 3 further includes following step B03：
B03, the base station side MAC layer no longer issue scheduling authorization information to opposite end.
That is, send window stopping for base station side rlc layer and send caching non-NULL scene, in t-
During PollRetransming timers are run, base station side MAC layer does not initiate scheduling authorization information, can effectively avoid invalid award
Power and the wasting of resources.
It will be appreciated that in the method for embodiment one and embodiment two, under base station side RLC AM patterns, base station side RLC
Layer can initiate poll and report and start or restart t-PollRetransming timers when sending window stopping.t-
PollRetransming timers run during, though base station side rlc layer send caching whether non-NULL, base station side rlc layer need
" caching is sky " instruction is issued to MAC layer, for promoting base station side MAC layer to discharge idle wireless resource, avoids base station side MAC layer
Still TB blocks (transmission block) are assembled and to base station side rlc layer request data, and base station side rlc layer stops can not because sending window
Resource inefficiencies utilize caused by sending new data.
In another optional implementation, the method for previous embodiment two may also include not shown in following figures
Step B04：
The configured information for the caching non-NULL that B04, the base station side MAC layer reception base station side rlc layer are sent, and according to
The configured information and terminal interaction of the caching non-NULL；
Wherein, the configured information for caching non-NULL receives the state report of opposite end rlc layer transmission for the base station side rlc layer
Sent during information, or caching non-NULL configured information be in the rlc layer timer expire and retransmits cache be not
Sent when empty.
That is, base station side rlc layer causes to send window to being pushed forward until receiving the state report that opposite end rlc layer is sent
Dynamic, or the t-PollRetransming timers re-transmission caching that expires not is sky, base station side rlc layer is under the MAC layer of base station side
" caching non-NULL " instruction is sent out, and then subsequent operation is performed by the flow of the prior art.
The base station side rlc layer and base station side MAC layer joint resource management method of the present embodiment, by base station side rlc layer and
Base station side MAC layer cross-layer information exchange, improves the utilization ratio of idle wireless resource, avoids Lame delegation and the wasting of resources.
Embodiment three
The present embodiment provides a kind of rlc layer and the united method for managing resource of MAC layer, specific method includes step C01：
C01, transmission window under the RLC AM patterns of end side stop, but when timer is in during operation, end side RLC
Layer sends caching as empty configured information to end side MAC layer；So that end side MAC layer is used for according to configured information generation
Indicate the ending BSR information of base station side MAC layer release idle wireless resource.
The rlc layer and MAC layer joint resource management method of the present embodiment, are believed by end side RLC and end side MAC cross-layers
Breath interaction, improves the utilization ratio of idle wireless resource.That is, ending BSR generting machanisms are optimized, in original end side RLC
On the basis of end side MAC layer generates ending BSR when layer transmission caching is empty, add end side rlc layer transmission window and stop
And send caching non-NULL scene under generate ending BSR, beneficial to promote base station side MAC layer release interface-free resources, avoid resource without
Effect utilizes.
Further, the method for previous embodiment three further includes the step C02 or C02 ' not shown in following figures：
If C02, the end side rlc layer receive the state report information that opposite end rlc layer is sent, to the end side
MAC layer sends the configured information of caching non-NULL, so that configured information and base of the end side MAC layer according to the caching non-NULL
Stand interaction.
C02 ' if, the timer expires and retransmits caching in the end side rlc layer is not sky, to the terminal
MAC layer sends the configured information of caching non-NULL, so that configured information and end of the end side MAC layer according to the caching non-NULL
End interaction.
It will be appreciated that end side rlc layer causes to send window to being pushed forward until receiving the state report that opposite end rlc layer is sent
Dynamic, or the t-PollRetransming timers re-transmission caching that expires not is sky, end side rlc layer is under the MAC layer of end side
" caching non-NULL " instruction is sent out, and then subsequent operation is performed by the flow of the prior art.
Example IV
The present embodiment provides a kind of rlc layer and the united method for managing resource of MAC layer, specific method include step D01 and
D02：
The caching that D01, end side MAC layer receiving terminal side rlc layer are sent is empty configured information；Wherein, the instruction
Information stops for transmission window of the end side rlc layer under the RLC AM patterns of end side, but when timer is in during operation
Send；
D02, end side MAC layer generate ending BSR information according to the configured information, and by the ending BSR
Information sends base station side MAC layer, so that the base station side MAC layer eats dishes without rice or wine wirelessly to provide according to ending BSR information release
Source.
It should be noted that the method for the embodiment further includes the step D03 of subordinate：
D03, end side MAC layer no longer initiate scheduling request information to opposite end MAC layer.
For the present embodiment by end side RLC and end side MAC cross-layer information exchanges, that improves idle wireless resource utilizes effect
Rate.
Certainly, in a particular application, if the end side rlc layer receives the state report information that opposite end rlc layer is sent,
If alternatively, it is not sky that the timer, which expires and retransmits caching, in the end side rlc layer, at this time, the terminal mac layer also connects
The configured information for the caching non-NULL that terminal rlc layer is sent is received, so that instruction of the end side MAC layer according to the caching non-NULL
Information is interacted with base station.
In addition, when base station side rlc layer/end side rlc layer transmission caching and re-transmission caching are sky or send window stopping,
Triggering terminal side MAC layer generation uplink ending BSR or base station side MAC layer life down buffer storage are reported to be empty, recur uplink
BSR number of ending or down buffer storage are that to exceed largest buffered be sky number to empty report number, and base station side MAC layer, which discharges, eats dishes without rice or wine
Radio Resource；And MAC layer no longer initiates SR or scheduling authorization.
It should be noted that be all sky when rlc layer sends caching and retransmits caching, or MAC layer receives rlc layer and actively sends out
After " caching the is sky " instruction risen, for uplink service, terminal no longer initiates SR；For downlink business, base station no longer issues tune
Degree authorizes.Until MAC layer receives " caching non-NULL " instruction that rlc layer issues, caching is sent according to the RLC of reading or is retransmitted slow
Deposit, SR or scheduling authorization are initiated in decision-making, so that interface-free resources are utilized effectively.
It will be appreciated by those of skill in the art that although some embodiments described herein include being wrapped in other embodiments
The some features rather than further feature included, but the combination of the feature of different embodiment mean in the scope of the present invention it
It is interior and form different embodiments.
It will be understood by those skilled in the art that each step in embodiment can with hardware realization, or with one or
The software module run on the multiple processors of person is realized, or is realized with combinations thereof.Those skilled in the art should manage
Solution, can realize according to embodiments of the present invention one using microprocessor or digital signal processor (DSP) in practice
The some or all functions of a little or whole components.The present invention is also implemented as performing method as described herein
Some or all equipment or program of device (for example, computer program and computer program product).
Although being described in conjunction with the accompanying embodiments of the present invention, those skilled in the art can not depart from this hair
Various modifications and variations are made in the case of bright spirit and scope, such modifications and variations are each fallen within by appended claims
Within limited range.
Claims (10)
- A kind of 1. method for managing resource, it is characterised in that including：Transmission window under base station side RLC AM patterns stops, but when timer is in during operation, and base station side rlc layer is to base station Side MAC layer sends caching as empty configured information, so that the base station side MAC layer is released according to the configured information with terminal interaction Drain Radio Resource.
- 2. according to the method described in claim 1, it is characterized in that, the method further includes：If the base station side rlc layer receives the state report information that opposite end rlc layer is sent, sent out to the base station side MAC layer The configured information of caching non-NULL is sent, so that configured information and terminal interaction of the base station side MAC layer according to the caching non-NULL.
- 3. according to the method described in claim 1, it is characterized in that, the method further includes：If it is not sky that the timer, which expires and retransmits caching, in the base station side rlc layer, sent to the base station side MAC layer The configured information of non-NULL is cached, so that configured information and terminal interaction of the base station side MAC layer according to the caching non-NULL.
- A kind of 4. method for managing resource, it is characterised in that including：Base station side MAC layer receives the caching that base station side rlc layer is sent Empty configured information；Wherein, the configured information is that transmission window of the base station side rlc layer under RLC AM patterns stops, but timing Sent when device is in during operation；The base station side MAC layer discharges current idle wireless resource according to the configured information.
- 5. according to the method described in claim 4, it is characterized in that, the method further includes：The base station side MAC layer no longer to Opposite end issues scheduling authorization information.
- 6. according to the method described in claim 4, it is characterized in that, the method further includes：The base station side MAC layer receives the configured information for the caching non-NULL that the base station side rlc layer is sent, and according to the caching The configured information and terminal interaction of non-NULL；Wherein, the configured information for caching non-NULL receives the state report information of opposite end rlc layer transmission for the base station side rlc layer When send, or the configured information of caching non-NULL is that the timer expires and retransmits and caches when not being sky in the rlc layer Send.
- A kind of 7. method for managing resource, it is characterised in that including：Transmission window under the RLC AM patterns of end side stops, but fixed When device when being in during operation, end side rlc layer sends caching as empty configured information to end side MAC layer；So that end side MAC layer generation is used for the ending BSR information for indicating base station side MAC layer release idle wireless resource.
- 8. the method according to the description of claim 7 is characterized in that the method further includes：If the end side rlc layer receives The state report information sent to opposite end rlc layer, then send the configured information of caching non-NULL to the end side MAC layer, so that The end side MAC layer is interacted according to the configured information of the caching non-NULL with base station；Alternatively,If it is not sky that the timer, which expires and retransmits caching, in the end side rlc layer, sent to the terminal mac layer slow The configured information of non-NULL is deposited, so that configured information and terminal interaction of the end side MAC layer according to the caching non-NULL.
- A kind of 9. method for managing resource, it is characterised in that including：The caching that end side MAC layer receiving terminal side rlc layer is sent is Empty configured information；Wherein, the configured information is stopped for transmission window of the end side rlc layer under the RLC AM patterns of end side Only, sent when but timer is in during running；End side MAC layer generates ending BSR information according to the configured information, and the ending BSR information is sent Base station side MAC layer, so that the base station side MAC layer discharges idle wireless resource according to the ending BSR information.
- 10. according to the method described in claim 8, it is characterized in that, the method further includes：The end side MAC layer is no longer Scheduling request information is initiated to opposite end MAC layer.
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| CN107995653B (en) | 2021-03-23 |
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