CN101355573B - Method for improving wireless data service access speed - Google Patents
Method for improving wireless data service access speed Download PDFInfo
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- CN101355573B CN101355573B CN2007101196298A CN200710119629A CN101355573B CN 101355573 B CN101355573 B CN 101355573B CN 2007101196298 A CN2007101196298 A CN 2007101196298A CN 200710119629 A CN200710119629 A CN 200710119629A CN 101355573 B CN101355573 B CN 101355573B
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Abstract
The invention relates to a method for increasing the radio data service accessing speed, comprising the following steps that: 1. an MFT parameter and a DRX parameter are configured; 2. after a network at a mobile terminal is adhered, the PDP activation is performed; 3. the BSC parameter Delayed UL TBF is started to delay and release an upstream TBF; 4. the load of the related network element is reduced; 5. a GPRS/EDGE radio channel of a base station is configured; 6. the load of the network element is detected periodically, if the load of the network element is high, the step 4 is executed; if the load of the network element is normal, the step 7 is executed; and 7. the blockage of the radio channel is detected periodically; if the GPRS/EDGE radio channel of the base station is not blocked, the process is over; if the GPRS/EDGE radio channel of the base station is blocked, the step 5 is executed. Therefore, the method for increasing the radio data service accessing speed realizes the reduction of delay for accessing the radio data service on the radio side.
Description
Technical field
The present invention relates to a kind of method that improves wireless data service access speed, especially a kind of raising WAP (wireless application protocol) (Wireless Application Protocol, WAP) method of class wireless data service access speed.
Background technology
(Global System for Mobile Communications GSM) as second generation mobile cellular communication system, has obtained extensive use to global system for mobile communications.But, the demand of wireless data service is constantly increased along with the variation with bearer service of developing rapidly of mobile communication technology.Therefore new, speed mobile data communication technology faster is developed, wherein most typical is exactly two-forty circuit switched data (High-Speed Circuit Switched Data, HCSD) and general packet radio service (General Packet Radio Service, GPRS) technology, and the flank speed of HCSD can reach 57.6kbit/s.GPRS has introduced the mode of packet switching first at core network, becomes GSM the only way which must be passed to the evolution of third generation network, and can provide flank speed to the user is the wireless transmission bandwidth of 171.2kbit/s.Though HCSD and GPRS have improved wireless data transmission rate to a certain extent, but because its GMSK (Guassian Minimum Shift Keying) that still adopts (Gaussian Filtered Minimum ShiftKeying, GMSK) modulation system, thereby the transmission rate that it provided still can not satisfy people's requirement more and more higher to mobile communication system far away, therefore be necessary to adopt more advanced communication and signal processing technology, with the capacity of further expansion gsm system.Ever-increasing in order to satisfy people to the demand of high-speed data service and the demand of whole mobile communication duration, strengthen the competitiveness of existing system, the TIA of the U.S. and European Telecommunication Standard chemistry can ETSI unite proposed a kind of based on time division multiple access (TimeDivision Multiple Access, TDMA) wireless access technology-enhanced data rates global system for mobile communications evolution technology (Enhanced Data rates for GSM Evolution, EDGE), provide wireless data communication service at a high speed with existing GSM frequency range.
For higher RFDC speed is provided in existing cellular system, EDGE has introduced many level digitals modulator approach-8PSK modulation.For the 8PSK modulation, each modulation symbol can be mapped as 3 bits, thereby compares the bit rate and the spectrum efficiency that can provide higher with GMSK modulation mode, and the complexity of its realization does not increase a lot.The GMSK modulation mode of using in the gsm system also is the part of EDGE modulation system.The character rate of two kinds of modulation systems all is 271kbit/s, and the net bit rate of every time slot is respectively: 22.8kbit/s (GMSK) and 59.2kbit/s (8PSK).
In existing GPRS/EDGE system, WAP class wireless data service has occupied bigger proportion, but, WAP class wireless data service is because some retransmission mechanisms, though indexs such as feasible call completing rate are than higher and more stable, but corresponding time delay index difference is very big, is mainly reflected in the packet loss re-transmission and causes the time delay instability.And use for the terminal of wireless data, the service access time, oversize equaling can't connect.
In the patent No. be: the Chinese patent of 99801530.X " reduce the method for wireless channel access delay in the gprs system; and packet radio network " in, a kind of channel assignment message that need send to user terminal of organizing has been proposed, by optimizing the use of paging subchannel, reduce the accumulative total overall delay of all channel assignment messages as far as possible.
In this patent, just by optimizing the paging subchannel, remove to reduce the non-accumulative total overall delay of joining message of all channels as far as possible, but just relate to the wireless channel access delay of GPRS network, the not whole actual conditions of considering the GPRS/EDGE network, for example going to solve, whether the wireless channel of GPRS/EDGE network exists congested, core network element service universal grouping wireless serving GPRS support node (Serving GeneralPacket Radio Service Supporting Node, Serving GPRS Supporting Node, Serving GSN, SGSN), WAP (wireless application protocol) (Wireless Application Protocol, problem such as WAP) whether the load of gateway higher.
Summary of the invention
The objective of the invention is defective, and a kind of method that improves wireless data service access speed is provided, reduce to insert the time delay that wireless data service inserts to be implemented in wireless side at prior art.
The invention provides a kind of method that improves wireless data service access speed, comprising:
Mobile terminal network adheres to and is specially in the described step 2: carry out network attachment behind the mobile terminal-opening automatically.Mobile terminal network adheres to and is specially in the described step 2: portable terminal carries out network attachment when initiating the general packet wireless business application.Reduce the load of related network elements in the described step 4 for being reduced to service universal grouping wireless serving GPRS support node, gateway general packet wireless service support node (Gateway General Packet Radio Service Supporting Node, Gateway GPRSSupporting Node, GGSN), the load of fire compartment wall (Firewall), Wireless Application Protocol Gateway and dream network server.Also comprise after the described step 5: step 6, the network element load is made regular check on, if the network element load is normal, then execution in step 7; If the network element load is high, then execution in step 4; Step 7 carries out that wireless channel is congested to be made regular check on, if the general packet radio service of base station/enhanced data rates global system for mobile communications evolution wireless channel is not congested, then execution in step 8; If the general packet radio service of base station/enhanced data rates global system for mobile communications evolution wireless channel is congested, then execution in step 5; Step 8 finishes.
Therefore, the present invention improves the method for wireless data service access speed, has realized reducing to insert the time delay that wireless data service inserts in wireless side.
Description of drawings
Fig. 1 improves the flow chart of the method for wireless data service access speed for the present invention;
Fig. 2 improves the schematic diagram of the method paging channel of wireless data service access speed for the present invention;
Fig. 3 improves the schematic diagram of non-DRX pattern and DRX pattern under the packet idle mode of method of wireless data service access speed for the present invention.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
The method that the present invention improves wireless data service access speed comprises:
As shown in Figure 1, the flow chart for the present invention improves the method for wireless data service access speed specifically comprises the steps:
Can improve the rate of activation of PDP like this; MFR (BS_PA_MFRMS) parameter-definition is: each paging group is all corresponding to a paging subchannel in each sub-district, portable terminal is according to IMSI International Mobile Subscriber Identity (the International Mobile Subscriber Ientity of self, IMSI) calculate its affiliated paging group, and then calculate the paging sub-channel positions that belongs to this paging group; In real network, portable terminal receives only the paging subchannel under its and ignores the content of other paging subchannel, in addition during other paging subchannel in the turning-off mobile terminal power supply of some hardware device to save the power overhead (being the source of DRX) of portable terminal; Paging channel multi-frame number (MFR) is meant with the circulation of how many multi-frame numbers as the paging subchannel, with reference to shown in Figure 2, improves the schematic diagram of the method paging channel of wireless data service access speed for the present invention;
In DRX (DRX_TIMER_MAX) pattern, portable terminal is only listened to the paging block of attaching paging group, and under non-DRX pattern, portable terminal will be listened to all Common Control Channel (Common ControlChannel, CCCH) piece, when portable terminal when packet transfer mode changes packet idle mode over to, can in a period of time, be in the state of non-DRX transmission, the immediate assignment message that this moment, descending TBF set up need not calculated paging group, can be directly in access grant channel (Access Grant Channel, AGCH) upward transmission; The time that non-DRX pattern continues is determined jointly by two parameters: equal not support discontinuous receiving mode counter (Timer of none DRX mode, NON_DRX_TIMER) maximum duration (the The max duration for a non-DRX mode period in the cell of non-DRX pattern and in the sub-district, DRX_TIMER_MAX) both minimum values, wherein NON_DRX_TIMER is consulted with SGSN in the process that GPRS adheres to by portable terminal, and the size of this value can be seen in ATTACH REQUEST information; DRX_TIMER_MAX can be provided with in BSC; With reference to shown in Figure 3, improve the schematic diagram of non-DRX pattern and DRX pattern under the packet idle mode of method of wireless data service access speed for the present invention;
As shown in table 1, for PDP after adjustment MFR, the DRX parameter activates the test result of duration, wherein AVI represents mean value, MAX represents maximum, and MIN: be set at BS_PA_MFRMS under 2,3,5 the situation respectively that DRX_TIMER_MAX is set to 3,2,1,0, carry out PDP at GPRS CQT point to activate test;
From test result: when DRX=0, parameter MFR becomes at 2 o'clock by 5, and PDP activates duration and improves significantly, and PDP activates duration and dropped to 1.22 seconds by 1.56 seconds, has shortened 0.34 second; When parameter MFR=5 remained unchanged, the situation when contrast DRX3 and DRX=0 was known: parameter DRX is set to reduce when 3 (PDP on average activates duration about 0.90) are set to 0 (average PDP activates duration and is about 1.56) than DRX 0.66s;
Table 1
Be that just the collocation method that adopts in the present embodiment is: MFR=5, DRX=3 according to network actual conditions configuration MFR and DRX parameter when configuration.
In real network, that supports the GPRS/EDGE function adhering to of portable terminal is divided into two kinds: a kind of is to carry out network attachment behind the mobile terminal-opening automatically, is attached to SGSN, when the user initiates the gprs service request, directly carries out PDP and activates application; Another kind carries out network attachment when being the application of portable terminal initiation gprs service, because the attachment flow time delay is shorter, and adhere to automatically during the part mobile terminal-opening, in order to improve WAP class wireless data service access speed, preferably portable terminal adheres to after adopting start automatically;
It is necessary signaling process before all gprs services trigger that PDP activates, and it is excessive that PDP activates duration, can cause very big influence to using gprs service;
New TBF is set up faster by PACCH; In PDP activation signaling process, only need to set up once up TBF, reduced the immediate assignment message of DL, can find from layer three signaling of test instrumentation: the PDP activation process of not enabled BSC parameter Delayed UL TBF function, Channel Request message for UL, system can issue DL Immediate Assignment message twice, BSC parameter Delayed UL TBF is enabled in this explanation, has shortened PDP effectively and has activated duration;
From the existing network test result, enable BSC parameter Delayed UL TBF the PDP activationary time is improved significantly, PDP activates duration and dropped to 0.76 second from original 1.53 seconds;
Because landing flow process, WAP roughly is divided into three parts: at first, MS-GPRS core net, promptly portable terminal is initiated PDP and is activated request, is sent to SGSN, the SGSN response request, and to GGSN application IP address transition; Secondly, GPRS core net-WAP gateway, promptly SGSN sends connection request by the Firewall of GPRS core net to WAP gateway; Last WAP gateway-dream network server, i.e. WAP response back connects the dream network server by the data backbone network, and the dream network server is sent to portable terminal with the data of dream net homepage; Finishing a WAP homepage thus lands, because it is more that the WAP landfall process relates to network element, comprise SGSN, GGSN, Firewall, WAP gateway, dream network server etc., so the inspection of network element load seems particularly important, the too high meeting of the live load of network element causes the WAP business bottleneck to occur;
In existing GPRS/EDGE server net, adjusted the setting of fire compartment wall route alternate route, reduced system loading, be reduced to 65% by original 70%, improved Operational Visit speed; Use WTP to divide the compression of machine contracting system, dream net homepage content, the measures such as adjustment of gateway passback form, make the WAP homepage land time delay and be reduced to 4.5s by before 6.5s;
Configuration mechanism is according to user's request GP configuring RS/EDGE wireless channel, is configured with reference to GPRS wireless channel congestion ratio index, also needs repeatedly to adjust repeatedly, guarantees to dispose the demand that sufficient GPRS/EDGE wireless channel satisfies the user;
Because the congestion problems that the GPRS/EDGE radio channel resource deficiency of base station causes, be to influence WAP to land the long major reason of time delay, land in the test at a WAP, WAP homepage landing time is: 25.73s, and the phenomenon of GPRS radio channel resource deficiency has significantly appearred on the GPRS of test instrumentation time diagram; After can finding that in the packet capturing of Gb Interface pocket watch WAP gateway sends packet, mobile phone delays to reply ACK message, cause WAP reply time delay to become big, and cause mobile phone can not reply the reason of ACK message fast, congested just because of the GPRS/EDGE wireless channel, therefore, reasonable disposition GPRS/EDGE wireless channel;
Behind the GPRS/EDGE of reasonable disposition base station wireless channel, congestion phenomenon is alleviated to some extent, and WAP homepage landing time has been reduced to 8.6s by 25.73s before, and effect is very obvious;
Step 107 carries out that wireless channel is congested to be made regular check on, if the GPRS/EDGE wireless channel of base station is not congested, then execution in step 108; If the GPRS/EDGE wireless channel of base station is congested, then execution in step 105;
Therefore, the present invention improves the method for wireless data service access speed, has realized reducing to insert the time delay that wireless data service inserts in wireless side.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.
Claims (5)
1. method that improves wireless data service access speed is characterized in that comprising:
Step 1 is configured paging channel multi-frame number and discontinuous receiving mode parameter;
Step 2 after mobile terminal network adheres to, is carried out packet data protocol activation;
Step 3 is enabled the up Temporary Block Flow that the base station controller parameter postpones, and postpones to discharge described up Temporary Block Flow;
Step 4, the load of reduction related network elements;
Step 5, configurating base station general packet radio service/enhanced data rates global system for mobile communications evolution wireless channel.
2. the method for raising wireless data service access speed according to claim 1 is characterized in that: mobile terminal network adheres to and is specially in the described step 2: carry out network attachment behind the mobile terminal-opening automatically.
3. the method for raising wireless data service access speed according to claim 1 is characterized in that: mobile terminal network adheres to and is specially in the described step 2: portable terminal carries out network attachment when initiating the general packet wireless business application.
4. the method for raising wireless data service access speed according to claim 1 is characterized in that: the load that reduces related network elements in the described step 4 is the load that is reduced to service universal grouping wireless serving GPRS support node, gateway general packet wireless service support node, fire compartment wall, Wireless Application Protocol Gateway and dream network server.
5. according to the method for claim 1,2,3 or 4 described raising wireless data service access speeds, it is characterized in that: also comprise after the described step 5:
Step 6, the network element load is made regular check on, if the network element load is normal, then execution in step 7; If the network element load is high, then execution in step 4;
Step 7 carries out that wireless channel is congested to be made regular check on, if the general packet radio service of base station/enhanced data rates global system for mobile communications evolution wireless channel is not congested, then execution in step 8; If the general packet radio service of base station/enhanced data rates global system for mobile communications evolution wireless channel is congested, then execution in step 5;
Step 8 finishes.
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| CN101841909B (en) * | 2010-03-24 | 2012-11-21 | 华为终端有限公司 | Packet data protocol (PDP) activating method and device |
| CN101977405B (en) * | 2010-10-29 | 2015-12-02 | 华为技术有限公司 | The delayed release method and apparatus of Temporary Block Flow |
| EP2782409A1 (en) * | 2013-03-20 | 2014-09-24 | Panasonic Intellectual Property Corporation of America | Deterministic UE behaviour for CSI/SRS Reporting during DRX |
| CN109565380B (en) * | 2016-08-19 | 2022-07-01 | 瑞典爱立信有限公司 | Method and apparatus for handling discontinuous reception in a communication network |
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| US5551078A (en) * | 1994-07-29 | 1996-08-27 | Motorola, Inc. | Apparatus and method for minimizing the turn on time for a receiver operating in a discontinuous receive mode |
| CN1862988A (en) * | 2005-08-16 | 2006-11-15 | 华为技术有限公司 | Method for determing reverse turn-on channel transmitting time in wireless communication system |
| CN1980452A (en) * | 2005-11-30 | 2007-06-13 | 展讯通信（上海）有限公司 | Period changing method for mobile subscriber terminal adopting non-continuous receiving method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5551078A (en) * | 1994-07-29 | 1996-08-27 | Motorola, Inc. | Apparatus and method for minimizing the turn on time for a receiver operating in a discontinuous receive mode |
| CN1862988A (en) * | 2005-08-16 | 2006-11-15 | 华为技术有限公司 | Method for determing reverse turn-on channel transmitting time in wireless communication system |
| CN1980452A (en) * | 2005-11-30 | 2007-06-13 | 展讯通信（上海）有限公司 | Period changing method for mobile subscriber terminal adopting non-continuous receiving method |
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