CN102333331A - Method and apparatus for statistics of reverse retransmission rate of radio link protocol layer - Google Patents

Method and apparatus for statistics of reverse retransmission rate of radio link protocol layer Download PDF

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Publication number
CN102333331A
CN102333331A CN2010102295697A CN201010229569A CN102333331A CN 102333331 A CN102333331 A CN 102333331A CN 2010102295697 A CN2010102295697 A CN 2010102295697A CN 201010229569 A CN201010229569 A CN 201010229569A CN 102333331 A CN102333331 A CN 102333331A
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reverse
statistics
current
rlp layer
service cell
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CN102333331B (en
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黄志强
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2011/073742 priority patent/WO2012006895A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems

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Abstract

The invention discloses a statistics method for a reverse retransmission rate of a radio link protocol (RLP) layer. The method comprises the following steps that: a base transceiver station (BTS) side carries out real-time statistics on the retransmission byte number of a reverse RLP layer and a reverse MAC layer flow in a current service cell of an access terminal; and a reverse retransmission rate of the RLP layer of the current service cell of the access terminal is finally obtained by calculation. In addition, the invention also discloses a statistics apparatus for a reverse retransmission rate of a RLP layer. When a base station controller (BSC) side is not synchronized with a BTS side, statistics can be carried out accurately on the retransmission byte number of a reverse RLP layer and a reverse MAC layer flow of a current service cell and accurate statistics can also be carried out a reverse retransmission rate of an RLP layer of a service cell, so that a reverse link situation of a communication system in the service cell can be analyzed accurately; therefore, it is beneficial to carry out better program optimization on a mobile communication network and to realize optimized distribution for mobile network resources; and thus a capacity of a whole mobile network is improved and satisfaction of users are also improved.

Description

The statistical method and the device of the reverse retransmission rate of a kind of wireless link protocol layer
Technical field
The present invention relates to CDMA 2000 HRPDs (HRPD, High Rate Packet Data) technology, relate in particular to the statistical method and the device of the reverse retransmission rate of a kind of radio link protocol (RLP, Radio Link Protocol) layer.
Background technology
Along with the arriving of information age, data service develops to diversity, big capacity property and asymmetry direction, and CDMA 1x data service is limited in one's ability, can not satisfy the demand of future development.In order to satisfy the needs of growing data service, at present, the CDMA2000HRPD technology based on CDMA 1x has been proposed.
The air interface protocol of CDMA2000HRPD technology is a kind of wireless tranmission techniques that aims at mobile data applications and optimized.It can provide the peak rate of forward direction single carrier up to 2.4Mbps (Release 0), 3.1Mbps (Revision A) and 4.9Mbps (Revision B) in the bandwidth of 1.25MHz; Reverse single carrier has the very high availability of frequency spectrum up to the peak rate of 153.6Kbps (Release 0), 1.8Mbps (RevisionA/B).Above technology realized, the CDMA2000HRPD technology was separated speech business and data service, has both kept high-quality voice, has obtained higher message transmission rate again; Simultaneously it again with the CDMA20001x backward compatibility; Radio system, link budget and 1x system are in full accord; Operator can upgrade to existing 1x network very like a cork, and the standardization through 3GPP2 in calendar year 2001 of this technology formally is identified as a kind of 3G technology.
The message transmission rate that the CDMA2000HRPD technical support is so high transmits forward direction Nak (Negative Acknowlegment) message through signaling flow to the RLP layer, so that the terminal reverse traffic is fed back.For the mobile network resource of distribution Access Network (AN, the Access Network) side that can more optimize, improve utilization rate of network resource and network performance, need obtain the reverse retransmission rate of RLP layer of current network.
At present; Obtain the method for the reverse retransmission rate of current network RLP layer, main process is following: base station controller (BSC, Base Station Controller) side is added up reverse RLP layer and is retransmitted byte number; Base station transceiver (BTS; Base Transceiver Station) side is added up reverse MAC laminar flow amount, and the reverse RLP layer that obtains according to statistics again of BTS side retransmits byte number and reverse MAC laminar flow amount then, calculates the reverse retransmission rate of current network RLP layer.In the said method, the data statistics of BSC side need be carried out according to Traffic Channel, can not count on the current Serving cell in terminal; And the Serving cell that the BTS side data is added up according to the terminal carries out; When the BSC side is asynchronous with the BTS side, when for example switching, because the BTS side can not in time be notified the Serving cell after the BSC lateral terminal switches at the terminal; Under the situation that Traffic Channel does not become; The reverse RLP layer of Serving cell retransmitted byte number before the BSC side will be added up and switched, and this moment, what the BTS side was added up is the reverse MAC laminar flow amount of switching the back Serving cell; This reverse RLP layer that BSC side statistics will occur retransmits byte number and measures unusual at present with the reverse MAC laminar flow of adding up greater than the BTS side; For example the reverse RLP layer of BSC side statistics retransmit byte number with greater than the reverse MAC laminar flow amount of BTS side statistics etc., cause the statistics of the reverse retransmission rate of current network RLP layer mistake to occur, finally can badly influence the analysis of network performance.
Summary of the invention
In view of this; Main purpose of the present invention is to provide the statistical method and the device of the reverse retransmission rate of a kind of RLP layer; The reverse RLP layer that causes owing to the BSC side is asynchronous with the BTS side retransmits byte number and reverse MAC laminar flow quantitative statistics result occurs unusually to solve, to such an extent as to wrong problem appears in the statistics of the reverse retransmission rate of RLP layer.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides the statistical method of the reverse retransmission rate of a kind of radio link protocol (RLP) layer; Said method comprises: base station transceiver (BTS) side joint is received the reverse traffic bag that accesses terminal and send; And, add up the reverse MAC laminar flow amount of the current service cell that accesses terminal according to received reverse traffic bag; The BTS side is obtained forward direction Nak message from base station controller (BSC) side, and according to accessed forward direction Nak message, the RLP layer of adding up the current service cell that accesses terminal retransmits byte number; According to the current statistics of the reverse MAC laminar flow of the current service cell that accesses terminal amount and the current statistics of RLP layer re-transmission byte number, calculate the reverse retransmission rate of RLP layer of the current service cell that accesses terminal.
In such scheme, said BTS side is obtained the process of forward direction Nak message from the BSC side, and comprising: said BSC side is packaged into stream layer packet with forward direction Nak message and sends to said BTS side; Said BTS side joint is received said stream layer packet, and the said stream layer packet that receives is unpacked, and gets access to said forward direction Nak message.
In such scheme, said BTS side is specially the process that the said stream layer packet that receives unpacks: said BTS lateral root unpacks said stream layer packet according to service flow sign that obtained, that access terminal and protocol subtypes.
In such scheme; Said BTS lateral root is according to received reverse traffic bag; Add up the process of the reverse MAC laminar flow amount of the current service cell that accesses terminal; Comprise: said BTS side is with the numerical value of the current reverse MAC laminar flow amount that comprises in the reverse traffic bag that receives; Obtain the current statistics of reverse MAC laminar flow amount, and the reverse MAC laminar flow amount of will access terminal current service cell be updated to the current statistics of resulting reverse MAC laminar flow amount in the statistics last time that is added to reverse MAC laminar flow amount.
In such scheme; Said BTS lateral root is according to accessed forward direction Nak message; Add up the process of the current service cell RLP layer re-transmission byte number that accesses terminal; Comprise: said BTS retransmits the numerical value of byte number with the current RLP layer that comprises in the forward direction Nak message that gets access to, and is added to last time that the RLP layer retransmits byte number in the statistics, obtains the current statistics that the RLP layer retransmits byte number; And the RLP layer of the current service cell that will access terminal re-transmission byte number, be updated to the current statistics that resulting RLP layer retransmits byte number.
The present invention also provides the statistic device of the reverse retransmission rate of a kind of RLP layer; Said device comprises: receiving element, first statistic unit, acquiring unit, second statistic unit and computing unit; Wherein, receiving element is used to receive the reverse traffic bag that accesses terminal and send; First statistic unit is used for the reverse traffic bag that receives according to said receiving element, the access terminal reverse MAC laminar flow amount of current service cell of statistics; Acquiring unit is used for obtaining forward direction Nak message from the BSC side; Second statistic unit is used for the forward direction Nak message that gets access to according to said acquiring unit, and the access terminal RLP layer of current service cell of statistics retransmits byte number; Computing unit; The current service cell RLP layer that accesses terminal that the current statistics of the reverse MAC laminar flow of the current service cell that the accesses terminal amount that is used for obtaining according to first statistic unit and second statistic unit obtain retransmits the current statistics of byte number, calculates the reverse retransmission rate of RLP layer of the current service cell that accesses terminal.
In such scheme, said acquiring unit specifically comprises: receiver module and parse module, and wherein, receiver module is used to receive said BSC side stream layer packet that send, that be packaged with said forward direction Nak message; Parse module is used for the stream layer packet that said receiver module receives is unpacked, and gets access to said forward direction Nak message.
In such scheme, said parse module specifically is used for, and service flow sign and protocol subtypes according to having obtained, access terminal unpack said stream layer packet.
In such scheme; Said first statistic unit specifically comprises: first accumulator module and first update module, wherein; First accumulator module; The numerical value of the current reverse MAC laminar flow amount that the reverse traffic bag that is used for that said receiving element is received comprises, obtained the current statistics of reverse MAC laminar flow amount in the statistics last time that is added to reverse MAC laminar flow amount; First update module, the reverse MAC laminar flow amount with the current service cell that accesses terminal of being used for are updated to the current statistics of the reverse MAC laminar flow amount that said accumulator module obtains.
In such scheme; Said second statistic unit specifically comprises: second accumulator module and second update module, wherein; Second accumulator module; Be used for the numerical value that current RLP layer that forward direction Nak message that said acquiring unit gets access to comprises retransmits byte number, be added to last time that the RLP layer retransmits byte number in the statistics, obtain the current statistics that the RLP layer retransmits byte number; Second update module is used for the RLP layer of the current service cell that accesses terminal is retransmitted byte number, is updated to the current statistics that RLP layer that said second accumulator module obtains retransmits byte number.
In the technical scheme provided by the present invention; Retransmit byte number and reverse MAC laminar flow amount by the access terminal reverse RLP layer of current service cell of BTS side real-time statistics; And finally calculate the reverse retransmission rate of current service cell RLP layer that access terminal, even when the BSC side is asynchronous with the BTS side, the reverse RLP layer that also can correctly count the current service cell that accesses terminal retransmits byte number and reverse MAC laminar flow amount; Thereby obtain the reverse retransmission rate of RLP layer of Serving cell more accurately; And the reverse retransmission rate correct analysis of RLP layer goes out the reverse link situation of communication system under the Serving cell in view of the above, helps mobile communications network is carried out better plan optimization, and mobile network resource is realized more optimized distribution; Improve whole mobile network's capacity, and improve user satisfaction.
Description of drawings
Fig. 1 is the realization flow figure of the reverse retransmission rate statistical method of RLP layer of the present invention;
Fig. 2 is the composition structural representation of the reverse retransmission rate statistic device of RLP layer of the present invention;
Fig. 3 is the concrete realization flow figure of an embodiment of the present invention;
Fig. 4 separates the concrete realization flow figure of packet procedures for troposphere packet in embodiment illustrated in fig. 3.
Embodiment
The statistical method of the reverse retransmission rate of a kind of RLP layer of the present invention with reference to shown in Figure 1, mainly may further comprise the steps:
Step 101:BTS side joint is received the reverse traffic bag that accesses terminal and send, and according to received reverse traffic bag, adds up the reverse MAC laminar flow amount of the current service cell that accesses terminal;
Step 102:BTS side is obtained forward direction Nak message from the BSC side, and according to accessed forward direction Nak message, the RLP layer of adding up the current service cell that accesses terminal retransmits byte number;
Step 103:, calculate the reverse retransmission rate of RLP layer of the current service cell that accesses terminal according to the current statistics of the reverse MAC laminar flow of the current service cell that accesses terminal amount and the current statistics of RLP layer re-transmission byte number.
Here, statistics RLP layer re-transmission byte number all can carry out with the process of reverse MAC laminar flow amount in real time.
Wherein, the BTS side is obtained the process of forward direction Nak message from the BSC side, and specifically comprise: the forward direction Nak message that the BSC side will be sent is packaged into stream layer packet and sends to the BTS side; The BTS side joint is received said stream layer packet, and the said stream layer packet that receives is unpacked, and gets access to said forward direction Nak message.
Here; The process that said BTS side unpacks the said stream layer packet that receives; Be specially: said service flow sign and the protocol subtypes that accesses terminal obtained and/or preserved to said BTS side; And, said stream layer packet is unpacked according to service flow sign and the protocol subtypes obtaining and/or preserve.
Wherein, said BTS lateral root is according to received reverse traffic bag, and the access terminal process of reverse MAC laminar flow amount of current service cell of real-time statistics specifically can comprise:
Said BTS side is with the numerical value of the current reverse MAC laminar flow amount that comprises in the reverse traffic bag that receives; The last time that is added to reverse MAC laminar flow amount is in the statistics; Obtain the current statistics of reverse MAC laminar flow amount, and the reverse MAC laminar flow amount of the current service cell that will access terminal is updated to the current statistics of resulting reverse MAC laminar flow amount.
Wherein, Said BTS lateral root is according to accessed forward direction Nak message; The real-time statistics current service cell RLP layer that accesses terminal retransmits the process of byte number; Specifically can comprise: BTS retransmits the numerical value of byte number with the current RLP layer that comprises in the forward direction Nak message that gets access to, and is added to last time that the RLP layer retransmits byte number in the statistics, obtains the current statistics that the RLP layer retransmits byte number; And the RLP layer of the current service cell that accesses terminal that will preserve re-transmission byte number, be updated to the current statistics that resulting RLP layer retransmits byte number.
For realizing said method; The present invention also provides the statistic device of the reverse retransmission rate of a kind of RLP layer; With reference to shown in Figure 2, said device mainly comprises: receiving element 21, first statistic unit 22, acquiring unit 23, second statistic unit 24 and computing unit 25, wherein; Receiving element 21 is used to receive the reverse traffic bag that accesses terminal and send; First statistic unit 22 is used for the reverse traffic bag that receives according to said receiving element 21, the access terminal reverse MAC laminar flow amount of current service cell of statistics; Acquiring unit 23 is used for obtaining forward direction Nak message from the BSC side; Second statistic unit 24 is used for the forward direction Nak message that gets access to according to said acquiring unit 23, and the access terminal RLP layer of current service cell of statistics retransmits byte number; Computing unit 25; The current service cell RLP layer that accesses terminal that the current statistics of the reverse MAC laminar flow of the current service cell that the accesses terminal amount that is used for obtaining according to first statistic unit 22 and second statistic unit 24 obtain retransmits the current statistics of byte number, calculates the reverse retransmission rate of RLP layer of the current service cell that accesses terminal.
Wherein, said acquiring unit 23 specifically comprises: receiver module 231 and parse module 232, and wherein, receiver module 231 is used to receive said BSC side stream layer packet that send, that be packaged with said forward direction Nak message; Parse module 232 is used for the stream layer packet that said receiver module 231 receives is unpacked, and gets access to said forward direction Nak message.
Particularly, parse module 232 unpacks said stream layer packet according to that obtain or preserve, that access terminal service flow sign and protocol subtypes.
Wherein, First statistic unit 22 specifically can comprise: first accumulator module 221 and first update module 222; Wherein, first accumulator module 221, the numerical value of the current reverse MAC laminar flow amount that is used for the reverse traffic bag that said receiving element 21 receives is comprised; Obtained the current statistics of reverse MAC laminar flow amount in the statistics last time that is added to reverse MAC laminar flow amount; First update module 222, the reverse MAC laminar flow amount with the current service cell that accesses terminal of being used for are updated to the current statistics of the reverse MAC laminar flow amount that said accumulator module 221 obtains.
Wherein, Second statistic unit 24 specifically can comprise: second accumulator module 241 and second update module 242; Wherein, Second accumulator module 241 is used for the numerical value that current RLP layer that forward direction Nak message that said acquiring unit 23 gets access to comprises retransmits byte number, is added to last time that the RLP layer retransmits byte number in the statistics, obtains the current statistics that the RLP layer retransmits byte number; Second update module 242 is used for the RLP layer of the current service cell that accesses terminal is retransmitted byte number, is updated to the current statistics that RLP layer that said second accumulator module 241 obtains retransmits byte number.
The statistic device of the reverse retransmission rate of above-mentioned RLP layer can be arranged on the BTS side of AN, also can be arranged on AN separately, realizes the concrete implementation procedure that retransmission rate is added up through this device, and the method flow with reference to above-mentioned repeats no more at this.
For the CDMA2000EVDO GSM, in the EVDO mobile radio communication, access terminal when communicating with Access Network, realize adding up the process of the reverse retransmission rate of RLP layer through the present invention, with reference to shown in Figure 3, idiographic flow is following:
Step 301: according to standard protocol specifies; AN accesses terminal and sets up message (Connection Request) and routing update message (Route Update) through the connection of air interface transmission, sets up from received connection and obtains service flow sign and protocol subtypes and preservation the message;
The BTS side of step 302:AN is successfully caught and is accessed terminal, and through data rate control (the Data Rate Control) channel that demodulation accesses terminal, knows the current Serving cell that accesses terminal;
Here, when the access signal that accesses terminal was enough strong, the BTS side of AN can successfully be caught and accessed terminal, and then the data rate control channel that accesses terminal of demodulation.
Here, the BTS side is obtained the sign and the preservation of the current service cell that accesses terminal through the data rate control channel that demodulation accesses terminal, to know the current Serving cell that accesses terminal.
Step 303: access terminal and send the reverse traffic bag to AN in real time;
Particularly, access terminal to the BTS side transmission reverse traffic bag of covering self current service cell.
The BTS side of step 304:AN receives in real time the said reverse traffic bag that accesses terminal and send, and according to received reverse traffic bag, the access terminal reverse MAC laminar flow amount of current service cell of real-time statistics.
Particularly; The BTS side is obtained the sign of the current service cell that accesses terminal and the speed of this reverse traffic bag packet header record from the reverse traffic bag; The last time that the reverse MAC laminar flow amount that comprises in the said speed is added to reverse MAC laminar flow amount is in the statistics; Obtain the current statistics of reverse MAC laminar flow amount, and the reverse MAC laminar flow amount statistics of the current service cell that accesses terminal that will preserve, be updated to the current statistics of resulting reverse MAC laminar flow amount.
The BSC side of step 305:AN is obtained the said reverse traffic bag that accesses terminal and send from the BTS side; The forward direction Nak that will send in real time (Negative Acknowledgment) message is encapsulated into stream (Stream) layer data bag; And said stream layer packet sent to the BTS side, the reverse traffic bag that sends to the objective network side to failing feeds back.
Particularly, the reverse traffic bag that the BTS side receives self in real time sends to the BSC side, makes the BSC side can get access to the reverse traffic bag that accesses terminal and send in real time.
Particularly, the RLP layer of BSC side sends stream layer packet to the BTS side through air interface.
In the practical application; The BSC side can send to the objective network side with each reverse traffic bag after getting access to each the reverse traffic bag that sends that accesses terminal in real time, if there is the reverse traffic bag successfully not send; Then the BSC side can be returned the stream layer packet that includes forward direction Nak message to the BTS side; Notice BTS side need retransmit the reverse traffic bag that not success is sent, if each reverse traffic bag all successfully is issued to the objective network side, the BSC side just can not returned stream layer packet to the BTS side.
Step 306:BTS side receives the stream layer packet that the BSC side is sent in real time, and is identified and protocol subtypes according to the service flow of having obtained or having preserved by the MAC layer of BTS side, and the stream layer packet that receives is unpacked, and obtains forward direction Nak message;
Step 307:BTS lateral root is according to the forward direction Nak message obtained, and the access terminal RLP layer of current service cell of real-time statistics retransmits byte number;
Particularly; Include a wWindowLen field that is used to represent to retransmit byte number in the forward direction Nak message; The MAC layer of BTS side is added to last time that the RLP layer retransmits byte number in the statistics with the numerical value of this wWindowLen field; Obtain the current statistics that the RLP layer retransmits byte number, and the RLP layer of the current service cell that accesses terminal that will preserve re-transmission byte number, be updated to the current statistics that resulting RLP layer retransmits byte number.
Step 308:, calculate the reverse retransmission rate of RLP layer of the current service cell that accesses terminal according to the current statistics of reverse MAC laminar flow amount and the current statistics of RLP layer re-transmission byte number.
Here; Calculate the reverse retransmission rate of RLP layer and in setting-up time, carry out, particularly, when arriving the time of setting; Calculate the ratio that reverse current statistics of MAC laminar flow amount and RLP layer retransmit the current statistics of byte number, this ratio is the reverse retransmission rate of RLP layer of terminal current service cell.
Here, the setting of time can be confirmed according to the realization needs, can be 30 minutes with the time set that calculates the reverse retransmission rate of RLP layer generally.
Wherein, by the MAC layer of BTS side the stream layer packet that receives is unpacked, obtain the process of each forward direction Nak message, with reference to shown in Figure 4, idiographic flow is following:
Step 401: whether the preceding dibit of judging stream layer packet is signaling flow 0x00, if, then continue step 402, otherwise, current flow process finished;
Step 402: whether the signaling link protocol layer burst field (Signaling LinkProtocol-Fragment) of judging stream layer packet is false, if, then continue step 403, otherwise, current flow process finished;
Particularly, judge whether the SLP_F head identifies burst in the stream layer packet of importing, and promptly whether the Fragment bit of SLP_F head is 1; If be 1; The signaling link protocol layer burst field of expression stream layer packet is false, otherwise expression signaling link protocol layer burst field is false for true.
Step 403: whether the signaling link protocol layer distribution field (Signaling LinkProtocol-Delivery) of judging stream layer packet is false, if, then continue step 404, otherwise, current flow process finished;
Step 404: judge in the stream layer packet whether full head comprises the SLP_D head, and promptly whether the Full Header Included bit of SLP_D head is 1, if, then continue step 405, otherwise, current flow process finished;
Step 405: whether the configuration field (InConfiguration) of judging signaling network protocol layer in the stream layer packet (Signaling Network Protocol) is false, if, then continue step 406, otherwise, current flow process finished;
Step 406: whether the signaling network protocol subtypes field (Type) of judging signaling network protocol layer in the stream layer packet conforms to the protocol subtypes of having obtained of setting up in the message that is connected, if, then continue step 407, otherwise, current flow process finished;
Step 407: whether first byte message head of judging the message content of signaling link protocol layer transmission in the stream layer packet is forward direction Nak message, if, then continue step 408, otherwise, current flow process finished;
Step 408: set up the protocol subtypes in the message according to the connection of being obtained, forward direction Nak message is decoded, parse the content of each field of forward direction Nak message and preserve the current flow process end that the troposphere packet unpacks.
Particularly, set up the protocol subtypes in the message, call corresponding forward direction Nak source codec function, forward direction Nak message is decoded according to the connection of being obtained.
In the practical application; Above-mentioned protocol subtypes can comprise default packet applications (DPA; DefaultPacket Application), (MFPA is used in multithread; Multi-Flow Packet Application), strengthen multithread and use (EMPA, Enhanced Multi-Flow Packet Application), multilink multithread application (MMPA, Multilink Multiflow Packet Application).
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. the statistical method of the reverse retransmission rate of a radio link protocol (RLP) layer is characterized in that said method comprises:
Base station transceiver (BTS) side joint is received the reverse traffic bag that accesses terminal and send, and according to received reverse traffic bag, adds up the reverse MAC laminar flow amount of the current service cell that accesses terminal;
The BTS side is obtained forward direction Nak message from base station controller (BSC) side, and according to accessed forward direction Nak message, the RLP layer of adding up the current service cell that accesses terminal retransmits byte number;
According to the current statistics of the reverse MAC laminar flow of the current service cell that accesses terminal amount and the current statistics of RLP layer re-transmission byte number, calculate the reverse retransmission rate of RLP layer of the current service cell that accesses terminal.
2. the statistical method of the reverse retransmission rate of RLP layer according to claim 1 is characterized in that, said BTS side is obtained the process of forward direction Nak message from the BSC side, comprising:
Said BSC side is packaged into stream layer packet with forward direction Nak message and sends to said BTS side; Said BTS side joint is received said stream layer packet, and the said stream layer packet that receives is unpacked, and gets access to said forward direction Nak message.
3. the statistical method of the reverse retransmission rate of RLP layer according to claim 2 is characterized in that, said BTS side is specially the process that the said stream layer packet that receives unpacks:
Said BTS lateral root unpacks said stream layer packet according to service flow sign that obtained, that access terminal and protocol subtypes.
4. the statistical method of the reverse retransmission rate of RLP layer according to claim 1 is characterized in that, said BTS lateral root is added up the process of the reverse MAC laminar flow amount of the current service cell that accesses terminal according to received reverse traffic bag, comprising:
Said BTS side is with the numerical value of the current reverse MAC laminar flow amount that comprises in the reverse traffic bag that receives; The last time that is added to reverse MAC laminar flow amount is in the statistics; Obtain the current statistics of reverse MAC laminar flow amount, and the reverse MAC laminar flow amount of the current service cell that will access terminal is updated to the current statistics of resulting reverse MAC laminar flow amount.
5. according to the statistical method of the reverse retransmission rate of each described RLP layer of claim 1 to 4, it is characterized in that said BTS lateral root is added up the process that the current service cell RLP layer that accesses terminal retransmits byte number according to accessed forward direction Nak message, comprising:
Said BTS retransmits the current RLP layer that comprises in the forward direction Nak message that gets access to the numerical value of byte number; Be added to last time that the RLP layer retransmits byte number in the statistics; Obtain the current statistics that the RLP layer retransmits byte number; And the RLP layer of the current service cell that will access terminal re-transmission byte number, be updated to the current statistics that resulting RLP layer retransmits byte number.
6. the statistic device of the reverse retransmission rate of RLP layer is characterized in that, said device comprises: receiving element, first statistic unit, acquiring unit, second statistic unit and computing unit, wherein,
Receiving element is used to receive the reverse traffic bag that accesses terminal and send;
First statistic unit is used for the reverse traffic bag that receives according to said receiving element, the access terminal reverse MAC laminar flow amount of current service cell of statistics;
Acquiring unit is used for obtaining forward direction Nak message from the BSC side;
Second statistic unit is used for the forward direction Nak message that gets access to according to said acquiring unit, and the access terminal RLP layer of current service cell of statistics retransmits byte number;
Computing unit; The current service cell RLP layer that accesses terminal that the current statistics of the reverse MAC laminar flow of the current service cell that the accesses terminal amount that is used for obtaining according to first statistic unit and second statistic unit obtain retransmits the current statistics of byte number, calculates the reverse retransmission rate of RLP layer of the current service cell that accesses terminal.
7. the statistic device of the reverse retransmission rate of RLP layer according to claim 6 is characterized in that said acquiring unit specifically comprises: receiver module and parse module, wherein,
Receiver module is used to receive said BSC side stream layer packet that send, that be packaged with said forward direction Nak message;
Parse module is used for the stream layer packet that said receiver module receives is unpacked, and gets access to said forward direction Nak message.
8. the statistic device of the reverse retransmission rate of RLP layer according to claim 7 is characterized in that said parse module specifically is used for, and service flow sign and protocol subtypes according to having obtained, access terminal unpack said stream layer packet.
9. the statistic device of the reverse retransmission rate of RLP layer according to claim 6 is characterized in that, said first statistic unit specifically comprises: first accumulator module and first update module, wherein,
The numerical value of the current reverse MAC laminar flow amount that first accumulator module, the reverse traffic bag that is used for that said receiving element is received comprise, obtained the current statistics of reverse MAC laminar flow amount in the statistics last time that is added to reverse MAC laminar flow amount;
First update module, the reverse MAC laminar flow amount with the current service cell that accesses terminal of being used for are updated to the current statistics of the reverse MAC laminar flow amount that said accumulator module obtains.
10. according to the statistic device of the reverse retransmission rate of each described RLP layer of claim 6 to 9, it is characterized in that said second statistic unit specifically comprises: second accumulator module and second update module, wherein,
Second accumulator module is used for the numerical value that current RLP layer that forward direction Nak message that said acquiring unit gets access to comprises retransmits byte number, is added to last time that the RLP layer retransmits byte number in the statistics, obtains the current statistics that the RLP layer retransmits byte number;
Second update module is used for the RLP layer of the current service cell that accesses terminal is retransmitted byte number, is updated to the current statistics that RLP layer that said second accumulator module obtains retransmits byte number.
CN201010229569.7A 2010-07-13 2010-07-13 The statistical method of the reverse retransmission rate of a kind of wireless link protocol layer and device Expired - Fee Related CN102333331B (en)

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