CN109673021A - Service delay determines method - Google Patents
Service delay determines method Download PDFInfo
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- CN109673021A CN109673021A CN201811521980.4A CN201811521980A CN109673021A CN 109673021 A CN109673021 A CN 109673021A CN 201811521980 A CN201811521980 A CN 201811521980A CN 109673021 A CN109673021 A CN 109673021A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0852—Delays
- H04L43/0858—One way delays
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Abstract
The present invention provides a kind of service delay and determines method, by obtaining the end-to-end time delay of eating dishes without rice or wine of downlink, base station side downlink inter-process time delay and the side UE downlink inter-process time delay, determines downlink business time delay；The end-to-end time delay of eating dishes without rice or wine of uplink, the side UE uplink inter-process time delay and base station side uplink inter-process time delay are obtained, determines uplink service time delay, thus, so that the delay statistics of Radio Access Network are more accurate, push the quick positioning and demarcation of delay problem.
Description
Technical field
The present invention relates to wireless communication technology fields more particularly to a kind of service delay to determine method.
Background technique
With the development of wireless communication technique, communication system is gradually for long term evolution (Long Term Evolution, LTE)
Applied to fields such as rail traffic, Industry Controls.The data that the application in these fields is sent are substantially control information, to user
The requirement of the time delay in face is very high.The time delay of the time delay in user face, i.e. data from transmitting terminal to receiving end, including propagation delay time and
Protocol processes time delay etc..How time delay is rapidly and accurately detected, is an important hand for guaranteeing LTE communication network service quality
Section.
Existing LTE communication system is divided into wireless access network and core net, and time delay includes wireless access network and core net
Data transmission delay between two-part protocol processes time delay and wireless access network and core net.Wherein, wireless access network
Processing delay mainly include user equipment (UserEquipment, UE) and base station protocol processes time delay and UE and base station
Between data transmission delay.
However, there are signal jumps for wireless access network, the factors such as bursty interference, there are certain shakes for time delay.Currently, system
The method accuracy that meter Radio Access Network prolongs is lower, affects the quick positioning and demarcation of delay problem.
Summary of the invention
The present invention provides a kind of service delay and determines method, low with the method accuracy for solving wireless access network delay statistics
The problem of.
In a first aspect, the present invention, which provides a kind of service delay, determines method, comprising:
When obtaining the end-to-end time delay of eating dishes without rice or wine of downlink, base station side downlink inter-process time delay and the side UE downlink inter-process
Prolong；
According to the end-to-end time delay of eating dishes without rice or wine of the downlink, base station side downlink inter-process time delay and the side UE downlink inter-process
Time delay determines downlink business time delay；
When obtaining the end-to-end time delay of eating dishes without rice or wine of uplink, the side UE uplink inter-process time delay and base station side uplink inter-process
Prolong；
According to the end-to-end time delay of eating dishes without rice or wine of the uplink, the side UE uplink inter-process time delay and base station side uplink inter-process
Time delay determines uplink service time delay.
Further, the end-to-end time delay of eating dishes without rice or wine of acquisition downlink, comprising:
Packet Data Convergence Protocol (PacketDataConvergenceProtocol, the PDCP) layer of base station is obtained from S1
Mouth receives the first time of PDCP packet；
Acquisition base station receives all wireless spread-spectrum technologies (RadioLinkControl, RLC) fragment of the PDCP packet
State report confirms second time of (Acknowledgement, ACK)；
Second time is subtracted into the first time, the downlink is obtained and eats dishes without rice or wine end to end time delay.
Further, the acquisition base station side downlink inter-process time delay, comprising:
Base station is obtained to start to dispatch the third time of PDCP packet；
The third time is subtracted into the first time, obtains the base station side downlink inter-process time delay.
Further, the side the acquisition UE downlink inter-process time delay, comprising:
The PDCP layer of the UE is obtained from the 4th time for eating dishes without rice or wine to receive PDCP packet；
Obtain the 5th time that the PDCP packet is issued application layer by the UE from the PDCP layer of UE；
5th time is subtracted into the 4th time, obtains the side the UE downlink inter-process time delay.
Further, the end-to-end time delay of eating dishes without rice or wine of acquisition uplink, comprising:
The PDCP layer for obtaining the UE receives the 6th time of PDCP packet from application layer；
Obtain the UE receive the PDCP packet all RLC fragments state report ACK the 7th time；
7th time is subtracted into the 6th time, obtains the end-to-end time delay of eating dishes without rice or wine of the uplink.
Further, the side the acquisition UE uplink inter-process time delay, comprising:
UE is obtained to start to eat dishes without rice or wine to send the 8th time of PDCP packet；
8th time is subtracted into the 6th time, obtains the side the UE uplink inter-process time delay.
Further, the acquisition base station side uplink inter-process time delay, comprising:
The PDCP layer of the base station is obtained from the 9th time for eating dishes without rice or wine to receive PDCP packet；
Obtain the tenth time that the PDCP packet is issued S1 mouthfuls by the base station from PDCP layers；
Tenth time is subtracted into the 9th time, obtains the base station side uplink inter-process time delay.
Further, the end-to-end time delay of eating dishes without rice or wine of acquisition downlink, comprising:
Obtain the eleventh time that PDCP layers of base station source cell receives PDCP packet from S1 mouthfuls；
Acquisition base station Target cell receives the 12nd time of the state report ACK of all RLC fragments of the PDCP packet；
12nd time is subtracted into the eleventh time, obtains the end-to-end time delay of eating dishes without rice or wine of the downlink.
Further, the acquisition base station side downlink inter-process time delay, comprising:
Base station Target cell is obtained to start to dispatch the 13rd time of PDCP packet；
Obtain the 14th time that the Target cell completes the uplink synchronous of UE；
Obtain the 15th time that the Target cell receives the PDCP packet of source cell forwarding；
13rd time is subtracted into the eleventh time, then subtracts the 14th time, in addition the described tenth
Five times obtained the base station side downlink inter-process time delay.
Second aspect, the present invention provide a kind of service delay determining device, comprising:
Module is obtained, for obtaining under the end-to-end time delay of eating dishes without rice or wine of downlink, base station side downlink inter-process time delay and the side UE
Row inter-process time delay；
Processing module, for according to the end-to-end time delay of eating dishes without rice or wine of the downlink, base station side downlink inter-process time delay and UE
Side downlink inter-process time delay, determines downlink business time delay；
The acquisition module is also used to obtain the end-to-end time delay of eating dishes without rice or wine of uplink, the side UE uplink inter-process time delay and base
It stands side uplink inter-process time delay；
The processing module, be also used to according to the end-to-end time delay of eating dishes without rice or wine of the uplink, the side UE uplink inter-process time delay with
And base station side uplink inter-process time delay, determine uplink service time delay.
Further, the PDCP layer that the acquisition module is specifically used for obtaining base station receives the first of PDCP packet from S1 mouthfuls
Time；Acquisition base station receives the second time of the state report ACK of all RLC fragments of the PDCP packet；When by described second
Between subtract the first time, obtain the downlink and eat dishes without rice or wine end to end time delay.
Further, the module that obtains is specifically used for obtaining the third time that base station starts scheduling PDCP packet；It will be described
The third time subtracts the first time, obtains the base station side downlink inter-process time delay.
Further, the module that obtains is specifically used for obtaining the PDCP layer of the UE from eating dishes without rice or wine to receive the of PDCP packet
Four times；Obtain the 5th time that the PDCP packet is issued application layer by the UE from the PDCP layer of UE；By the 5th time
The 4th time is subtracted, the side the UE downlink inter-process time delay is obtained.
Further, the PDCP layer that the acquisition module is specifically used for obtaining the UE receives PDCP packet from application layer
6th time；Obtain the UE receive the PDCP packet all RLC fragments state report ACK the 7th time；By institute
Stating for the 7th time subtracts the 6th time, obtains the end-to-end time delay of eating dishes without rice or wine of the uplink.
Further, the acquisition module starts to eat dishes without rice or wine to send the 8th time of PDCP packet specifically for obtaining UE；By institute
Stating for the 8th time subtracts the 6th time, obtains the side the UE uplink inter-process time delay.
Further, the PDCP layer that the acquisition module is specifically used for obtaining the base station receives PDCP packet from eating dishes without rice or wine
9th time；Obtain the tenth time that the PDCP packet is issued S1 mouthfuls by the base station from PDCP layers；Tenth time is subtracted
The 9th time is gone, the base station side uplink inter-process time delay is obtained.
Further, the acquisition module receives PDCP packet specifically for obtaining PDCP layers from S1 mouthfuls of base station source cell
Eleventh time；When acquisition base station Target cell receives the 12nd of the state report ACK of all RLC fragments of the PDCP packet
Between；12nd time is subtracted into the eleventh time, obtains the end-to-end time delay of eating dishes without rice or wine of the downlink.
Further, when the acquisition module starts to dispatch the 13rd of PDCP packet specifically for obtaining base station Target cell
Between；Obtain the 14th time that the Target cell completes the uplink synchronous of UE；It obtains the Target cell and receives source cell turn
15th time of the PDCP packet of hair；When the 13rd time being subtracted the eleventh time, then subtracting the described 14th
Between, in addition the 15th time, obtains the base station side downlink inter-process time delay.
Service delay of the invention determines method, inside the end-to-end time delay of eating dishes without rice or wine of acquisition downlink, base station side downlink
Time delay and the side UE downlink inter-process time delay are managed, determines downlink business time delay；In the end-to-end time delay of eating dishes without rice or wine of acquisition uplink, the side UE
Row inter-process time delay and base station side uplink inter-process time delay, determine uplink service time delay, thus, improve base station and UE
Between wireless network delay statistics accuracy, pushed delay problem it is quick positioning and demarcation.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the user face protocol stack schematic diagram of LTE system；
Fig. 2 is the flow diagram that service delay of the present invention determines embodiment of the method one；
Fig. 3 is the flow diagram that service delay of the present invention determines embodiment of the method two；
Fig. 4 is the message flow chart for the downlink data transmission that service delay of the present invention determines embodiment of the method two；
Fig. 5 is the flow diagram that service delay of the present invention determines embodiment of the method three；
Fig. 6 is the message flow chart for the transmitting uplink data that service delay of the present invention determines embodiment of the method three；
Fig. 7 is the flow diagram that service delay of the present invention determines embodiment of the method four；
Fig. 8 is the message flow chart for the downlink data transmission that service delay of the present invention determines embodiment of the method four；
Fig. 9 is the structural schematic diagram of service delay determining device embodiment one of the present invention.
Specific embodiment
Scheme provided by the invention is based on LTE communication system framework, and Fig. 1 is that the user face protocol stack of LTE communication system shows
It is intended to, the user face protocol stack and gateway (Serving Gateway, SGW) of user face protocol stack, base station including UE
User face protocol stack.By eating dishes without rice or wine to be communicated between UE and base station, led between base station and the SGW of core net by S1 mouthfuls
Letter.
UE user face protocol stack includes: application (Application, AP) layer, Internet protocol
(InternetProtocol, IP) layer, PDCP layers, rlc layer, media access control (Media AccessControl, MAC) layer
With physics (Physica, PHY) layer.
Base station user protocol stack includes: Radio interface protocols stack and S1 protocol stack of the interface.Radio interface protocols stack includes:
PDCP layers, rlc layer, MAC layer and PHY layer；S1 protocol stack of the interface includes: GPRS Tunnel Protocol user face (GPRS Tunnelling
Protocol User Plane, GTP-U) layer, User Datagram Protocol/Internet protocol (UserDatagram Protocol/
InternetProtocol, UDP/IP) layer, L2 layers and PHY layer.
SGW user face protocol stack includes: GTP-U layers, UDP/IP layers, L2 layers and PHY layer.
The above-described L2 layers layer 2 referred in layered protocol, i.e. data link layer.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Description and claims of this specification and term " first ", " second ", " third " " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiment of the present invention described herein for example can be to remove
Sequence other than those of illustrating or describe herein is implemented.In addition, term " includes " and " having " and theirs is any
Deformation, it is intended that cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, system, production
Product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for this
A little process, methods, the other step or units of product or equipment inherently.
The present invention is by obtaining in the end-to-end time delay of eating dishes without rice or wine of downlink, base station side downlink inter-process time delay and the side UE downlink
Portion's processing delay determines downlink business time delay；Obtain the end-to-end time delay of eating dishes without rice or wine of uplink, the side UE uplink inter-process time delay and base
It stands side uplink inter-process time delay, determines uplink service time delay, thus, improve the wireless network time delay system between base station and UE
The accuracy of meter has pushed the quick positioning and demarcation of delay problem.
Technical solution of the present invention is described in detail with specifically embodiment below.These specific implementations below
Example can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.
Fig. 2 is the flow diagram that service delay provided by the invention determines embodiment of the method one, as shown in Fig. 2, this reality
The method for applying example may include:
S201, it obtains inside the end-to-end time delay of eating dishes without rice or wine of downlink, base station side downlink inter-process time delay and the side UE downlink
Manage time delay.
Wherein, the end-to-end time delay of eating dishes without rice or wine of downlink refers to the time delay of Radio Access Network when base station sends data to UE, packet
Include the propagation delay time of Radio Link and the protocol processes time delay of UE and base station；Base station side downlink inter-process time delay refers to base
When transmission data of standing, the protocol processes time delay of inside of base station；When the side UE downlink inter-process time delay refers to that UE receives data, UE
Internal protocol processes time delay.
S202, according to inside the end-to-end time delay of eating dishes without rice or wine of downlink, base station side downlink inter-process time delay and the side UE downlink
Time delay is managed, determines downlink business time delay.
Wherein, downlink business time delay refers to the propagation delay time of the Radio Link of downlink data, according to the end-to-end sky of downlink
Mouth time delay, base station side downlink inter-process time delay, the side UE downlink inter-process time delay, obtain lower industry by following formula (1)
Business time delay:
Wherein, T4For downlink business time delay, T1For the end-to-end time delay of eating dishes without rice or wine of downlink, T2When for base station side downlink inter-process
Prolong, T3For the side UE downlink inter-process time delay.
When S203, the end-to-end time delay of eating dishes without rice or wine of acquisition uplink, the side UE uplink inter-process time delay, base station side uplink inter-process
Prolong.
Wherein, the end-to-end time delay of eating dishes without rice or wine of uplink refer to UE to send base station data when wireless network time delay, including
The propagation delay time and UE of Radio Link and the protocol processes time delay of base station；The side UE uplink inter-process time delay refers to that UE is sent
Protocol processes time delay when data, inside UE；When base station side uplink inter-process time delay refers to that base station receives data, in base station
The protocol processes time delay in portion.
S204, according to the end-to-end time delay of eating dishes without rice or wine of uplink, the side UE uplink inter-process time delay, base station side uplink inter-process when
Prolong, determines uplink service time delay.
Wherein, uplink service time delay refers to the propagation delay time of the Radio Link of upstream data, according to the end-to-end sky of uplink
Mouth time delay, the side UE uplink inter-process time delay, base station side uplink inter-process time delay, obtain upper industry by following formula (2)
Business time delay:
Wherein, T8For uplink service time delay, T5For the end-to-end time delay of eating dishes without rice or wine of uplink, T6For the side UE uplink inter-process time delay,
T7For base station side uplink inter-process time delay.
The present embodiment is by obtaining the end-to-end time delay of eating dishes without rice or wine of downlink, base station side downlink inter-process time delay and the side UE downlink
Inter-process time delay determines downlink business time delay；Obtain the end-to-end time delay of eating dishes without rice or wine of uplink, the side UE uplink inter-process time delay and
Base station side uplink inter-process time delay, determine uplink service time delay, when the accurate geo-statistic protocol processes of UE and inside of base station
Prolong, transmission of radio links time delay between UE and base station, has pushed the quick positioning and demarcation of delay problem.
Fig. 3 is the flow diagram that service delay of the present invention determines embodiment of the method two, and Fig. 3 is embodiment shown in Fig. 2
On the basis of, the description to a kind of specifically implementation of the step S201 of Fig. 2, as shown in Figure 3:
S301, the PDCP layer for obtaining base station receive the first time of PDCP packet from S1 mouthfuls.
Downlink data is sent to Radio Access Network by S1 mouthfuls from the SGW of core net, obtains the PDCP layer of base station from S1
Mouth receives the first time of downlink PDCP data packet.Downlink PDCP data packet is passed to the RLC of base station by the PDCP layer of base station
Layer, the rlc layer of base station determine the sending method of PDCP packet according to current bandwidth situation.Rlc layer determines the sending method of data packet
Including splitting and combining two ways.In the biggish situation of current bandwidth, rlc layer selects combined mode to carry out data packet
It sends, i.e., rlc layer receives multiple data packets from PDCP layers, and multiple data packets is spliced into a RLC data packet, then will
The RLC data packet is sent to MAC layer；In the lesser situation of current bandwidth, the mode that rlc layer selection is split carries out data packet
It sends, i.e., rlc layer is received from PDCP layers of data packet, and data packet is split as multiple RLC data packets, then by multiple RLC
Data packet is sent to MAC layer.
S302, the third time that base station starts scheduling PDCP packet is obtained.
Downlink RLC data packet is passed to MAC layer by the rlc layer of base station, and MAC is responsible for scheduling of resource, is obtained base station and is started to dispatch
The third time of downlink PDCP data packet.MAC layer passes to PHY layer, then by eating dishes without rice or wine to transmit packets to the side UE.The side UE
After PHY layer receives downlink data packet, the MAC layer of UE is passed to, after MAC layer receives, returns to state report ACK to base station.
S303, the PDCP layer of UE is obtained from the 4th time for eating dishes without rice or wine to receive PDCP packet.
The downlink data packet received is transmitted to PDCP layers by rlc layer by the MAC layer of UE, is obtained PDCP layers and is received down
4th time of row PDCP data packet.
S304, the 5th time that PDCP packet is issued application layer by UE from the PDCP layer of UE is obtained.
After the PDCP layer of UE receives downlink PDCP data packet, be sent to application layer process, obtain downlink PDCP packet from
PDCP layers of the 5th time for issuing application layer.
S305, the second time that base station receives all RLC fragmentation states report ACK of PDCP packet is obtained.
Base station confirms the state report ACK for having been received by the last one RLC fragment of downlink PDCP data packet, and acquisition receives downlink
The second time of all RLC fragmentation state report ACK under PDCP data packet.
S306, it calculates downlink and eats dishes without rice or wine end to end time delay, base station side downlink inter-process time delay, the side UE downlink inter-process
Time delay.
Fig. 4 is the message flow chart of the downlink data transmission of embodiment illustrated in fig. 3 two.In conjunction with Fig. 4, according at the first time,
Second time, third time, the 4th time and the 5th time, obtain downlink eat dishes without rice or wine end to end time delay, inside base station side downlink
Processing delay, the side UE downlink inter-process time delay.
(3) obtain downlink and eat dishes without rice or wine end to end time delay according to the following formula:
T1=t2-t1 (3)
Wherein, T1It eats dishes without rice or wine end to end time delay for downlink；t2For the second time, t1For at the first time.
(4) obtain base station side downlink inter-process time delay according to the following formula:
T2=t3-t1 (4)
Wherein, T2For base station side downlink inter-process time delay；t3For third time, t1For at the first time.
(5) obtain the side UE downlink inter-process time delay according to the following formula:
T3=t5-t4 (5)
Wherein, T3For the side UE downlink inter-process time delay；t5For the 5th time, t4For the 4th time.
The present embodiment receives PDCP from S1 mouthfuls of first times for receiving PDCP packet, base stations by obtaining the PDCP layer of base station
The second time of all RLC fragmentation states report ACK of packet, base station start to dispatch the PDCP layer of the third time of PDCP packet, UE
The 5th time that PDCP packet is issued to application layer from the 4th time and UE for eating dishes without rice or wine to receive PDCP packet from PDCP layers, obtain downstream end
It eats dishes without rice or wine time delay, base station side downlink inter-process time delay and the side UE downlink inter-process time delay to end.To so that downlink data
Radio Access Network delay statistics it is more accurate, in turn, shorten the positioning time of downlink data delay problem.
Fig. 5 is the flow diagram that service delay of the present invention determines embodiment of the method three, and Fig. 5 is embodiment shown in Fig. 2
On the basis of, the description to one of specifically implementation of the step S203 of Fig. 2, as shown in Figure 5:
S501, the PDCP layer for obtaining UE receive the 6th time of PDCP packet from application layer.
Upstream data is from the application layer-triggered of UE, when obtaining PDCP layers and receiving the 6th of uplink PDCP data packet from application layer
Between.Uplink PDCP data packet is transmitted to rlc layer by PDCP layers, and rlc layer determines uplink PDCP data packet according to current bandwidth situation
Sending method.Rlc layer determines that the sending method of data packet includes splitting and combining two ways.In the biggish feelings of current bandwidth
Under condition, the combined mode of rlc layer selection carries out the transmission of data packet, i.e. rlc layer receives multiple data packets from PDCP layers, and
Multiple data packets are spliced into a RLC data packet, then the RLC data packet is sent to MAC layer；In the lesser feelings of current bandwidth
Under condition, the mode that rlc layer selection is split carries out the transmission of data packet, i.e., rlc layer receives the data packet from PDCP layers, and will count
Multiple RLC data packets are split as according to packet, then multiple RLC data packets are sent to MAC layer.The MAC layer of UE passes to data packet
PHY layer.
S502, acquisition UE pass through the 8th time for eating dishes without rice or wine to send PDCP packet.
The PHY layer of the side UE is sent to base station by eating dishes without rice or wine, and obtains UE by eating dishes without rice or wine to send the 8th of uplink PDCP data packet
Time.
After the PHY layer of base station receives the upstream data packet of UE transmission, it is sent to MAC layer, after MAC layer receives data packet, to
UE returns to state report ACK.
S503, the PDCP layer of base station is obtained from the 9th time for eating dishes without rice or wine to receive PDCP packet
The MAC layer of base station sends PDCP layers through rlc layer for upstream data packet, obtains PDCP layers and receives uplink PDCP number
According to the 9th time of packet.
S504, the tenth time that PDCP packet is issued S1 mouthfuls by base station from PDCP layers is obtained.
After the PDCP layer of base station receives uplink PDCP data packet, it is sent to the SGW of core net by S1 mouthfuls, obtains uplink
PDCP data packet issues S1 mouthfuls of the tenth time from PDCP layers.
S505, the 7th time that UE receives all RLC fragmentation states report ACK of PDCP packet is obtained.
UE confirms the state report ACK for having received the last one RLC fragment of uplink PDCP data packet, and acquisition receives uplink PDCP
The 7th time of all RLC fragmentation state report ACK under data packet.
S506, it calculates uplink and eats dishes without rice or wine end to end time delay, the side UE uplink inter-process time delay, base station side uplink inter-process
Time delay.
Fig. 6 is the message flow chart of the transmitting uplink data of embodiment illustrated in fig. 5 three.In conjunction with Fig. 6, according to the 6th time,
7th time, the 8th time, the 9th time and the tenth time, obtain uplink eat dishes without rice or wine end to end time delay, inside the uplink of the side UE at
Manage time delay, base station side uplink inter-process time delay.
(6) obtain uplink and eat dishes without rice or wine end to end time delay according to the following formula:
T5=t7-t6 (6)
Wherein, T5It eats dishes without rice or wine end to end time delay for uplink；t7For the 7th time, t6For the 6th time.
(7) obtain the side UE uplink inter-process time delay according to the following formula:
T6=t8-t6 (7)
Wherein, T6For the side UE uplink inter-process time delay；t8For the 8th time, t6For the 6th time.
(8) obtain base station side uplink inter-process time delay according to the following formula:
T7=t10-t9 (8)
Wherein, T7For base station side uplink inter-process time delay；t10For the tenth time, t9For the 9th time.
The present embodiment is by obtaining the PDCP layer of UE from application layer receives the 6th time of PDCP packet, UE receives PDCP packet
All RLC fragmentation states report the 7th time of ACK, UE pass through the PDCP of the 8th time, base station of eating dishes without rice or wine to send PDCP packet
Layer issues S1 mouthfuls of the tenth time from eating dishes without rice or wine to receive the 9th time of PDCP packet, base station for PDCP packet from PDCP layers, calculates
Capable eat dishes without rice or wine end to end time delay, the side UE uplink inter-process time delay, base station side uplink inter-process time delay.To so that uplink
The Radio Access Network delay statistics of data are more accurate, in turn, shorten the positioning time of upstream data delay problem.
Fig. 7 is the flow diagram that service delay of the present invention determines embodiment of the method four, and Fig. 7 is embodiment shown in Fig. 2
On the basis of, the description to one of specifically implementation of the step S201 of Fig. 2 under handoff scenario.Handoff scenario is
Refer to: after base station source cell receives downlink data packet, needing to switch at once, the data packet is finally sent by base station Target cell
To UE.It is as shown in Figure 7:
S701, the PDCP layer for obtaining base station source cell receive the eleventh time of PDCP packet from S1 mouthfuls.
Downlink data is sent to base station source cell by S1 mouthfuls from the SGW of core net, and the PDCP layer of base station source cell receives
After downlink PDCP data packet, switched, in handoff procedure, the downlink PDCP data packet for being not issued to UE is transmitted to base
It stands Target cell.
S702, the 15th time that base station Target cell receives the PDCP packet of base station source cell forwarding is obtained.
S703, the 14th time that base station Target cell completes the uplink synchronous of UE is obtained.
In handoff procedure, UE will establish synchronization with base station Target cell, and after the completion of synchronization, UE starts
Access base station Target cell.
S704, the 13rd time that base station Target cell starts scheduling PDCP packet is obtained.
After base station Target cell receives the downlink PDCP data packet of base station source cell forwarding, downlink PDCP is sent by eating dishes without rice or wine
Data packet is to UE.After the side UE receives downlink PDCP data packet, Xiang Jizhan Target cell returns to state report ACK.
S705, the 12nd time that base station Target cell receives all RLC fragmentation states report ACK of PDCP packet is obtained.
Base station Target cell confirms the state report ACK for having been received by the last one RLC fragment of downlink PDCP data packet, obtains
Receive the 12nd time of all RLC fragmentation state report ACK under downlink PDCP data packet.
S706, it calculates downlink and eats dishes without rice or wine end to end time delay and base station side downlink inter-process time delay.
Fig. 8 is the message flow chart of the downlink data transmission of embodiment illustrated in fig. 7 four.In conjunction with Fig. 8, for the moment according to the tenth
Between, the 12nd time, the 13rd time, the 14th time and the 15th time, obtain downlink under handoff scenario end to end
It eats dishes without rice or wine time delay, base station side downlink inter-process time delay, the side UE downlink inter-process time delay.
(9) obtain downlink and eat dishes without rice or wine end to end time delay according to the following formula:
T9=t12-t11 (9)
Wherein, T9It eats dishes without rice or wine end to end time delay for downlink；t12For the 12nd time, t11For eleventh time.
(10) obtain base station side downlink inter-process time delay according to the following formula:
T10=t13-t11-t14+t15 (10)
Wherein, T2For base station side downlink inter-process time delay；t13For the 13rd time, t11For eleventh time, t14It is
14 times, t15For the 15th time.
The present embodiment is by obtaining the PDCP layer of base station source cell from S1 mouthfuls of eleventh times for receiving PDCP packet, base stations
Target cell receives the 12nd time of all RLC fragmentation states report ACK of PDCP packet, base station Target cell receives base station source
15th time of the PDCP packet of cell forwarding, base station Target cell complete the 14th time of the uplink synchronous of UE, base station
Target cell starts to dispatch the 13rd time of PDCP packet, calculates the end-to-end time delay of eating dishes without rice or wine of downlink, at base station side downlink inside
Manage time delay.To in turn, shorten so that the Radio Access Network delay statistics of the downlink data under handoff scenario are more accurate
The positioning time of downlink data delay problem under handoff scenario.
Fig. 9 is the structural schematic diagram of service delay determining device embodiment one of the present invention, as shown in figure 9, the present embodiment
Device includes: to obtain module 901 and processing module 902.
Wherein, obtain module 901 for obtain the end-to-end time delay of eating dishes without rice or wine of downlink, base station side downlink inter-process time delay and
User equipment (UE) side downlink inter-process time delay；Processing module 902 is used for according to the end-to-end time delay of eating dishes without rice or wine of downlink, base station side downlink
Inter-process time delay and the side UE downlink inter-process time delay, determine downlink business time delay；Module 901 is obtained to be also used in acquisition
The end-to-end time delay of eating dishes without rice or wine of row, the side UE uplink inter-process time delay and base station side uplink inter-process time delay；Processing module 902 is also
For according to the end-to-end time delay of eating dishes without rice or wine of uplink, the side UE uplink inter-process time delay and base station side uplink inter-process time delay, really
Determine uplink service time delay.
Further, it obtains module 901 and receives the first of PDCP packet from S1 mouthfuls specifically for obtaining the PDCP layer of base station
Time；Acquisition base station receives the second time of the state report ACK of all RLC fragments of PDCP packet；Second time was subtracted
One time obtained downlink and eats dishes without rice or wine end to end time delay.
Further, module 901 is obtained to be specifically used for obtaining the third time that base station starts scheduling PDCP packet；When by third
Between subtract at the first time, obtain base station side downlink inter-process time delay.
Further, it obtains module 901 and is specifically used for obtaining the PDCP layer of UE from when eating dishes without rice or wine to receive the 4th of PDCP packet
Between；Obtain the 5th time that PDCP packet is issued application layer by UE from the PDCP layer of UE；5th time was subtracted into for the 4th time, is obtained
The side UE downlink inter-process time delay.
Further, it obtains module 901 and receives the 6th of PDCP packet from application layer specifically for obtaining the PDCP layer of UE
Time；Acquisition UE receives the 7th time of the state report ACK of all RLC fragments of PDCP packet；7th time was subtracted
Six times obtained the end-to-end time delay of eating dishes without rice or wine of uplink.
Further, module 901 is obtained to start to eat dishes without rice or wine to send the 8th time of PDCP packet specifically for obtaining UE；By the 8th
Time subtracted for the 6th time, obtained the side UE uplink inter-process time delay.
Further, it obtains module 901 and receives the 9th of PDCP packet from eating dishes without rice or wine specifically for obtaining the PDCP layer of base station
Time；Obtain the tenth time that PDCP packet is issued S1 mouthfuls by base station from PDCP layers；Tenth time was subtracted into for the 9th time, obtains base
It stands side uplink inter-process time delay.
Further, it obtains module 901 and receives PDCP packet specifically for obtaining PDCP layers from S1 mouthfuls of base station source cell
Eleventh time；Acquisition base station Target cell receives the 12nd time of the state report ACK of all RLC fragments of PDCP packet；
12nd time was subtracted into eleventh time, obtains the end-to-end time delay of eating dishes without rice or wine of downlink.
Further, when acquisition module 901 starts to dispatch the 13rd of PDCP packet specifically for obtaining base station Target cell
Between；Obtain the 14th time that Target cell completes the uplink synchronous of UE；Obtain the PDCP that Target cell receives source cell forwarding
15th time of packet；13rd time was subtracted into eleventh time, then subtracted for the 14th time, in addition the 15th time, obtains
To base station side downlink inter-process time delay.
The device of the present embodiment can be used for the technical solution of the above-mentioned any embodiment of the present invention, realization principle and skill
Art effect is similar, and details are not described herein again.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (18)
1. a kind of service delay determines method characterized by comprising
Obtain the end-to-end time delay of eating dishes without rice or wine of downlink, base station side downlink inter-process time delay and user equipment (UE) side downlink inter-process
Time delay；
When according to the end-to-end time delay of eating dishes without rice or wine of the downlink, base station side downlink inter-process time delay and the side UE downlink inter-process
Prolong, determines downlink business time delay；
Obtain the end-to-end time delay of eating dishes without rice or wine of uplink, the side UE uplink inter-process time delay and base station side uplink inter-process time delay；
When according to the end-to-end time delay of eating dishes without rice or wine of the uplink, the side UE uplink inter-process time delay and base station side uplink inter-process
Prolong, determines uplink service time delay.
2. the method according to claim 1, wherein the end-to-end time delay of eating dishes without rice or wine of acquisition downlink, comprising:
PDCP layers of Packet Data Convergence Protocol of acquisition base station receive the first time of PDCP packet from S1 mouthfuls；
When acquisition base station receives the second of the state report confirmation ACK of all wireless spread-spectrum technology RLC fragments of the PDCP packet
Between；
Second time is subtracted into the first time, the downlink is obtained and eats dishes without rice or wine end to end time delay.
3. according to the method described in claim 2, it is characterized in that, the acquisition base station side downlink inter-process time delay, comprising:
Base station is obtained to start to dispatch the third time of PDCP packet；
The third time is subtracted into the first time, obtains the base station side downlink inter-process time delay.
4. method according to claim 1-3, which is characterized in that when the side the acquisition UE downlink inter-process
Prolong, comprising:
The PDCP layer of the UE is obtained from the 4th time for eating dishes without rice or wine to receive PDCP packet；
Obtain the 5th time that the PDCP packet is issued application layer by the UE from the PDCP layer of UE；
5th time is subtracted into the 4th time, obtains the side the UE downlink inter-process time delay.
5. the method according to claim 1, wherein the end-to-end time delay of eating dishes without rice or wine of acquisition uplink, comprising:
The PDCP layer for obtaining the UE receives the 6th time of PDCP packet from application layer；
Obtain the UE receive the PDCP packet all RLC fragments state report ACK the 7th time；
7th time is subtracted into the 6th time, obtains the end-to-end time delay of eating dishes without rice or wine of the uplink.
6. according to the method described in claim 5, it is characterized in that, the side the acquisition UE uplink inter-process time delay, comprising:
UE is obtained to start to eat dishes without rice or wine to send the 8th time of PDCP packet；
8th time is subtracted into the 6th time, obtains the side the UE uplink inter-process time delay.
7. according to claim 1, method described in 5 or 6, which is characterized in that the acquisition base station side uplink inter-process time delay,
Include:
The PDCP layer of the base station is obtained from the 9th time for eating dishes without rice or wine to receive PDCP packet；
Obtain the tenth time that the PDCP packet is issued S1 mouthfuls by the base station from PDCP layers；
Tenth time is subtracted into the 9th time, obtains the base station side uplink inter-process time delay.
8. the method according to claim 1, wherein the end-to-end time delay of eating dishes without rice or wine of acquisition downlink, comprising:
Obtain the eleventh time that PDCP layers of base station source cell receives PDCP packet from S1 mouthfuls；
Acquisition base station Target cell receives the 12nd time of the state report ACK of all RLC fragments of the PDCP packet；
12nd time is subtracted into the eleventh time, obtains the end-to-end time delay of eating dishes without rice or wine of the downlink.
9. the method according to claim 1, wherein the acquisition base station side downlink inter-process time delay, comprising:
Base station Target cell is obtained to start to dispatch the 13rd time of PDCP packet；
Obtain the 14th time that the Target cell completes the uplink synchronous of UE；
Obtain the 15th time that the Target cell receives the PDCP packet of source cell forwarding；
13rd time is subtracted into the eleventh time, then subtracts the 14th time, in addition when the described 15th
Between, obtain the base station side downlink inter-process time delay.
10. a kind of service delay determining device characterized by comprising
Module is obtained, for obtaining the end-to-end time delay of eating dishes without rice or wine of downlink, base station side downlink inter-process time delay and user equipment (UE)
Side downlink inter-process time delay；
Processing module, for according under the end-to-end time delay of eating dishes without rice or wine of the downlink, base station side downlink inter-process time delay and the side UE
Row inter-process time delay, determines downlink business time delay；
The acquisition module is also used to obtain the end-to-end time delay of eating dishes without rice or wine of uplink, the side UE uplink inter-process time delay and base station side
Uplink inter-process time delay；
The processing module is also used to according to the end-to-end time delay of eating dishes without rice or wine of the uplink, the side UE uplink inter-process time delay and base
It stands side uplink inter-process time delay, determines uplink service time delay.
11. device according to claim 10, which is characterized in that the module that obtains is specifically used for obtaining the grouping of base station
PDCP layers of the data convergence protocol first time for receiving PDCP packet from S1 mouthfuls；Obtain base station receive the PDCP packet whether there is or not
Wired link controls the second time of the state report confirmation ACK of RLC fragment；Second time is subtracted into the first time,
The downlink is obtained to eat dishes without rice or wine end to end time delay.
12. device according to claim 11, which is characterized in that the acquisition module is specifically used for acquisition base station and starts
Dispatch the third time of PDCP packet；The third time is subtracted into the first time, is obtained inside the base station side downlink
Manage time delay.
13. the described in any item devices of 0-12 according to claim 1, which is characterized in that the acquisition module is specifically used for obtaining
The PDCP layer of the UE is from the 4th time for eating dishes without rice or wine to receive PDCP packet；Obtain PDCP layer of the UE by the PDCP packet from UE
Issue the 5th time of application layer；5th time is subtracted into the 4th time, obtains the side the UE downlink inter-process
Time delay.
14. device according to claim 10, which is characterized in that the module that obtains is specifically used for obtaining the UE's
PDCP layers of the 6th time for receiving PDCP packet from application layer；Obtain all RLC fragments that the UE receives the PDCP packet
State report ACK the 7th time；7th time is subtracted into the 6th time, obtains that the uplink is end-to-end to eat dishes without rice or wine
Time delay.
15. device according to claim 14, which is characterized in that the acquisition module is specifically used for acquisition UE and starts to eat dishes without rice or wine
Send the 8th time of PDCP packet；8th time is subtracted into the 6th time, obtains the side the UE uplink inter-process
Time delay.
16. device described in 0,14 or 15 according to claim 1, which is characterized in that the acquisition module is specifically used for obtaining institute
The PDCP layer of base station is stated from the 9th time for eating dishes without rice or wine to receive PDCP packet；It obtains the base station and sends out the PDCP packet from PDCP layers
To S1 mouthfuls of the tenth time；Tenth time is subtracted into the 9th time, when obtaining the base station side uplink inter-process
Prolong.
17. device according to claim 10, which is characterized in that the acquisition module is specifically used for obtaining base station source cell
The PDCP layers of eleventh time for receiving PDCP packet from S1 mouthfuls；Obtain all RLC that base station Target cell receives the PDCP packet
The 12nd time of the state report ACK of fragment；12nd time is subtracted into the eleventh time, obtains the downlink
End-to-end time delay of eating dishes without rice or wine.
18. device according to claim 10, which is characterized in that it is small that the acquisition module is specifically used for acquisition base station target
Area starts to dispatch the 13rd time of PDCP packet；Obtain the 14th time that the Target cell completes the uplink synchronous of UE；It obtains
The Target cell is taken to receive the 15th time of the PDCP packet of source cell forwarding；13rd time is subtracted the described tenth
One time, then the 14th time is subtracted, in addition the 15th time, when obtaining the base station side downlink inter-process
Prolong.
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