CN101193341B - Selection and switching method for sending method - Google Patents
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- CN101193341B CN101193341B CN2006101606300A CN200610160630A CN101193341B CN 101193341 B CN101193341 B CN 101193341B CN 2006101606300 A CN2006101606300 A CN 2006101606300A CN 200610160630 A CN200610160630 A CN 200610160630A CN 101193341 B CN101193341 B CN 101193341B
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Abstract
The invention discloses a method used for selecting and switching the transmitting mode of the multimedia broadcast-multicast services, which comprises the following steps: S202, a wireless network controller configures the number of the user equipments, makes statistics of the count cycle of an interval timer, UE access probability factor of the user equipment, the M threshold of the number of the user equipments and the P threshold of the number of the user equipments beforehand; S204, the number of the user equipments is measured according to the count response of the user equipment and the context statistics of the user equipment and the transmitting mode of the multimedia broadcast-multicast services is selected according to the measured number, M threshold and P threshold of the user equipment; S206, the number of the user equipments is measured real-time according to the count response of the user equipments and the context statistics of the user equipments and whether to switch the transmitting mode of the multimedia broadcast-multicast services is determined according to the real-timely measured user of the user equipments, the M threshold and P threshold of the number of the user equipments.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of send mode and select and changing method.
Background technology
Multimedia broadcast-multicast service (Multimedia Broadcast Multicast Service, be called for short MBMS) can be divided into broadcasting and multicast pattern, also can be divided into point-to-point (Point toPoint, be called for short P-T-P) transmission and point-to-multipoint (Point to Multipoint is called for short P-T-M) transmission.MBMS is at universal terrestrial access network (Universal Terrestrial RadioAccess Network, hereinafter to be referred as UTRAN) the P-T-P transmission means, adopt and traditional point-to-point packet switching (Packet Switched, be called for short PS) professional identical protocol architecture and flow process: signaling Dedicated Control Channel (Dedicated Control Channel, be called for short DCCH), professional with Dedicated Traffic Channel (Dedicated Traffic Channel, be called for short DTCH), be mapped to dedicated channel (Dedicated Channel, be called for short DCH) or high speed descending sharing channel (High Speed Downlink Shared Channel, be called for short HS-DSCH) on, to user terminal (User Equipment, abbreviation UE) being in Radio Resource control (Radio Resource Control is called for short RRC) connection mode is suitable for down.MBMS is in the P-T-M of UTRAN transmission means, three kinds of new logic channels have been adopted: MBMS point-to-multipoint control channel (MBMS point-to-multipoint ControlChannel, be called for short MCCH), MBMS point multipoint message traffic channel (MBMSpoint-to-multipoint Traffic Channel, be called for short MTCH) and MBMS point-to-multipoint scheduling channel (MBMS point-to-multipoint Scheduling Channel, be called for short MSCH), they all are mapped to forward access channel (Forward Access Channel, be called for short FACH) on, at wireless chain control layer (Radio Link Control, abbreviation RLC) layer all uses Unacknowledged Mode (Unacknowledged Mode, be called for short UM) pattern, the UE that is in RRC connected state and Idle state can receive this three kinds of logic channels.Agreement regulation: under broadcast mode, can only use the P-T-M pattern; Under multicast pattern, these two kinds of sending modes can be realized.
Under the multicast pattern, adopting P-T-P and P-T-M to send respectively has pluses and minuses: it is simple to adopt P-T-P to send work, but under the many situations of UE number, will waste Radio Resource; Adopt P-T-M to send, reach the user under the situation of some, can fully save yard resource and power resource, but need system to increase relevant expenses such as logic channel.Which kind of sending mode is concrete system adopt, and generally is selection and the switching that receives the community user quantitative decision send mode of MBMS business according to expectation.Carry out in the process in the MBMS business, some user may stop, also some new user may add halfway, thereby cause that excited users quantity changes, the frequent switching of MBMS send mode might be caused, professional service quality (Quality of Service is hereinafter to be referred as QoS) may be had a strong impact on, therefore need a kind of send mode to select and switchover policy, to address the above problem.
Summary of the invention
In view of the above problems, the present invention proposes a kind of send mode that is used for multimedia broadcast-multicast service selects and changing method, reducing the overhead that frequent expectation UE number of cycles measurement causes effectively, and avoid the influence of the frequent switching of send mode effectively to QoS of survice.
The send mode that is used for multimedia broadcast-multicast service of the present invention selects and changing method may further comprise the steps: S202, the count cycle of the pre-configured number of user equipment statistical interval of radio network controller timer, subscriber equipment access probability factor, user device quantity purpose M thresholding and user device quantity purpose P thresholding; S204, according to the counting response of subscriber equipment and the number of customer equipment context statistical measurement subscriber equipment, and under the situation that multimedia broadcast-multicast service begins, select the send mode of multimedia broadcast-multicast service according to number, M thresholding and the P thresholding of the subscriber equipment of measuring; And S206, counting response and customer equipment context according to subscriber equipment are added up the number of measuring subscriber equipment in real time, and carry out in the process at multimedia broadcast-multicast service, determine whether the send mode of switching multi-media broadcasting multicast service according to number, M thresholding and the P thresholding of the subscriber equipment of measuring in real time.
In above-mentioned send mode selection and changing method, step S204 comprises: S2042, and the smaller access probability of radio network controller original adoption is added up the number of subscriber equipment according to the counting response of subscriber equipment; S2044 under the situation of number greater than the P thresholding of the subscriber equipment that counts, selects the point-to-multipoint send mode; S2046 is less than or equal under the situation of P thresholding at the number of the subscriber equipment that counts, and increases the number of statistics subscriber equipment behind the access probability; And S2048, finish and the number of subscriber equipment still is less than or equal under the situation of P thresholding in the count cycle, select point-to-point send mode.
In above-mentioned send mode selection and changing method, adopt at current multimedia broadcast-multicast service under the situation of point-to-multipoint send mode, step S206 comprises: S2062-1, under number of user equipment statistical interval timer situation then, start next number of users statistical interval timer, and measure the number of user equipment of expectation receiving multimedia broadcast multicast service according to customer equipment context; S2064-1 under the situation of number of user equipment more than or equal to the M thresholding, keeps the point-to-multipoint send mode, and does not carry out the restatement number, under the situation of number of user equipment less than the M thresholding, carries out the restatement number; S2066-1, radio network controller adopt smaller access probability to count, and add up the number of subscriber equipment according to the context of the restatement number response of subscriber equipment in the sub-district and subscriber equipment; S2068-1 under the situation of number greater than the P thresholding of subscriber equipment, keeps the point-to-multipoint send mode; Number at subscriber equipment is less than or equal under the situation of P thresholding, carries out the restatement number behind the increase access probability; And S2070-1, when restatement finished one number time, the number of subscriber equipment still was less than or equal under the situation of P thresholding, and the point-to-multipoint send mode is switched to point-to-point send mode.
Above-mentioned send mode select and changing method in, adopt at current multimedia broadcast-multicast service under the situation of point-to-point send mode, step S206 comprises: S2062-2, measure the number of subscriber equipment in real time according to customer equipment context; And S2064-2, under the situation of number more than or equal to the M thresholding of subscriber equipment, point-to-point send mode is switched to the point-to-multipoint send mode, under the situation of number less than the M thresholding of subscriber equipment, keep point-to-point send mode.
The present invention can reduce effectively continually expectation UE number is carried out the overhead that period measurement causes, and can effectively avoid the influence of the frequent switching of send mode to QoS of survice, can make full use of Radio Resource again simultaneously, improves power system capacity.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is according to the send mode selection of multimedia broadcast-multicast service and the block diagram of switching device shifter of being used for according to the present invention;
Fig. 2 A is according to the send mode selection of multimedia broadcast-multicast service and the flow chart of changing method of being used for according to the present invention;
Fig. 2 B is the particular flow sheet of the step S204 of the method shown in Fig. 2 A;
Fig. 2 C is the particular flow sheet of the step S206 of the method shown in Fig. 2 A;
Fig. 2 D is another particular flow sheet of the step S206 of the method shown in Fig. 2 A;
Fig. 3 is MBMS service conversation send mode initial selected flow process when beginning;
Fig. 4 is the send mode switching flow of current sender formula when being P-T-P; And
Fig. 5 is the send mode switching flow of current sender formula when being P-T-M.
Embodiment
Below with reference to accompanying drawing, describe the specific embodiment of the present invention in detail.
With reference to figure 1, the send mode selection and the switching device shifter that are used for multimedia broadcast-multicast service according to according to the present invention are described.This send mode that is used for multimedia broadcast-multicast service is selected and switching device shifter.This device comprises: threshold setting unit 102 is used for count cycle, subscriber equipment access probability factor, user device quantity purpose M thresholding and the user device quantity purpose P thresholding of pre-configured timer; Send mode selected cell 104, be used for according to the counting response of subscriber equipment and the number of customer equipment context statistics subscriber equipment, under the situation that multimedia broadcast-multicast service begins, select the send mode of multimedia broadcast-multicast service according to number, M thresholding and the P thresholding of the subscriber equipment that counts; And send mode switch unit 106, be used for the number of adding up subscriber equipment in real time according to the counting response and the customer equipment context of subscriber equipment, and carry out in the process at multimedia broadcast-multicast service, number, M thresholding and the P thresholding of the subscriber equipment that goes out according to real-time statistics determine whether the send mode of switching multi-media broadcasting multicast service.
Wherein, send mode selected cell 104 comprises: the first number of user equipment statistic unit 1042 is used for when multimedia broadcast-multicast service begins, according to the number of the context statistics subscriber equipment of the counting response of subscriber equipment and subscriber equipment; And selected cell 1044, be used for the send mode that number, M thresholding and P thresholding according to the subscriber equipment that counts selected multimedia broadcast-multicast service.
Wherein, send mode switch unit 106 comprises: the second number of user equipment statistic unit 1062, be used for the process of carrying out, add up the number of subscriber equipment according to the context of the counting response of subscriber equipment and subscriber equipment in real time at multimedia broadcast-multicast service; And switching determining unit 1064, number, M thresholding and the P thresholding of the subscriber equipment that goes out according to real-time statistics determine whether the send mode of switching multi-media broadcasting multicast service.
Wherein, the number of user equipment that the threshold setting unit is configured to the M thresholding to expect to receive broadcasting multicast service is configured to the P thresholding to expect to receive the lower thresholding of number of user equipment of broadcasting multicast service than higher thresholding.
Wherein, the send mode of multimedia broadcast-multicast service comprises following at least a: point-to-point transmission and point-to-multipoint send.
Wherein, the smaller access probability of send mode selected cell original adoption is counted, and is less than or equal at the number of user equipment that measures under the situation of P thresholding, increases access probability and counts.
With reference to figure 2A to Fig. 2 D, the send mode selection and the changing method that are used for multimedia broadcast-multicast service according to according to the present invention are described.According to a further aspect in the invention, provide a kind of send mode that is used for multimedia broadcast-multicast service to select and changing method.This method may further comprise the steps: S202, the count cycle of the pre-configured number of user equipment statistical interval of radio network controller timer, subscriber equipment access probability factor, user device quantity purpose M thresholding and user device quantity purpose P thresholding; S204, according to the counting response of subscriber equipment and the number of customer equipment context statistical measurement subscriber equipment, and under the situation that multimedia broadcast-multicast service begins, select the send mode of multimedia broadcast-multicast service according to number, M thresholding and the P thresholding of the subscriber equipment of measuring; And S206, counting response and customer equipment context according to subscriber equipment are added up the number of measuring subscriber equipment in real time, and carry out in the process at multimedia broadcast-multicast service, determine whether the send mode of switching multi-media broadcasting multicast service according to number, M thresholding and the P thresholding of the subscriber equipment of measuring in real time.
Wherein, step S204 comprises: S2042, and the smaller access probability of radio network controller original adoption is added up the number of subscriber equipment according to the counting response of subscriber equipment; S2044 under the situation of number greater than the P thresholding of the subscriber equipment that counts, selects the point-to-multipoint send mode; S2046 is less than or equal under the situation of P thresholding at the number of the subscriber equipment that counts, and increases the number of statistics subscriber equipment behind the access probability; And S2048, finish and the number of subscriber equipment still is less than or equal under the situation of P thresholding in the count cycle, select point-to-point send mode.
Wherein, adopt at current multimedia broadcast-multicast service under the situation of point-to-multipoint send mode, step S206 comprises: S2062-1, under number of user equipment statistical interval timer situation then, start next number of users statistical interval timer, and measure the number of user equipment of expectation receiving multimedia broadcast multicast service according to customer equipment context; S2064-1 under the situation of number of user equipment more than or equal to the M thresholding, keeps the point-to-multipoint send mode, and does not carry out the restatement number, under the situation of number of user equipment less than the M thresholding, carries out the restatement number; Step S2066-1, radio network controller adopts smaller access probability to count, and adds up the number of subscriber equipment according to the context of the restatement number response of subscriber equipment in the sub-district and subscriber equipment; S2068-1 under the situation of number greater than the P thresholding of subscriber equipment, keeps the point-to-multipoint send mode; Number at subscriber equipment is less than or equal under the situation of P thresholding, carries out the restatement number behind the increase access probability; And S2070-1, when restatement finished one number time, the number of subscriber equipment still was less than or equal under the situation of P thresholding, and the point-to-multipoint send mode is switched to point-to-point send mode.
Wherein, adopt at current multimedia broadcast-multicast service under the situation of point-to-point send mode, step S206 comprises: S2062-2, measure the number of subscriber equipment in real time according to customer equipment context; And S2064-2, under the situation of number more than or equal to the M thresholding of subscriber equipment, point-to-point send mode is switched to the point-to-multipoint send mode, under the situation of number less than the M thresholding of subscriber equipment, keep point-to-point send mode.
Particularly, with reference to figure 3, Fig. 4, and Fig. 5, describe the send mode that is used for multimedia broadcast-multicast service according to the present invention in detail and select and changing method.
Send mode initial selected flow process when beginning that Fig. 3 shows the BMS service conversation.When the MBMS service conversation begins (S302), whether at first check multicast service (S304), if broadcasting service directly selects the P-T-M mode to send (S320), if multicast service continues follow-up flow process.The at first prewired count cycle is a N continuous access period, idle (Idle) pattern is connected (Connected) pattern respectively to N access probability factor (being called for short APF) should be arranged with RRC, and the access probability of APF correspondence increases progressively according to certain density, the access probability of N access period is 1, and variable i=1 (S306) is set.Adopt i group APF to count (S308), according to counting response and the professional UE context statistical expection number of users (S310) of MBMS.Next whether judge the desired user number greater than P thresholding (S312),, then select the P-T-M mode to send (S320), and finish send mode initial selected flow process (S322) if greater than the P thresholding.If smaller or equal to the P thresholding, then variable i increases 1 (S314), judges whether the count cycle finish (being whether i is greater than N) (S316), if judged result is for denying, and then repeated execution of steps S308, S310, S312 and S314.If the count cycle finishes (to be that i＞N), the desired user number then selects the P-T-P mode to send (step S318) still smaller or equal to the P thresholding, and to finish send mode initial selected flow process (S322).
Fig. 4 has provided the send mode switching flow when the current sender formula is P-T-P.When the current sender formula is P-T-P (S402), based on the professional UE context real-time statistics desired user number (S404) of MBMS, next judge that whether the desired user number is more than or equal to M thresholding (S406), when expecting number of users less than the M thresholding, keep the P-T-M mode, have only when expecting number of users, just trigger and finish the switching (S408) of P-T-P, and start the number of users statistical interval timer (S410) of the expectation reception MBMS business under the P-T-M to P-T-M more than or equal to the M thresholding.
Fig. 5 has provided the send mode switching flow when the current sender formula is P-T-M.When the current sender formula is P-T-M (S502), at first judge whether multicast service (S504), if broadcasting service then keeps the P-T-M mode to send, and process ends (S506).If multicast service continues follow-up flow process.Arrive (S508) constantly at desired user number statistical intervalometer, start next statistical interval timer (S510), and based on the professional UE context statistical expection number of users (S512) of MBMS.Whether judge the desired user number more than or equal to M thresholding (S514), if judged result is for being then not initiate restatement and count flow process, repeated execution of steps S508, S510, S512 and S514.Otherwise, start restatement and count flow process.The at first prewired count cycle is a N continuous access period, Idle pattern and Connected pattern are respectively to there being N access probability factor APF, and the access probability of APF correspondence increases progressively according to certain density, and the access probability of N access period is 1, and variable i=1 (S516) is set.Adopt i group APF to carry out restatement number (S518), add up the number of users (S520) of expecting to receive this MBMS business in the sub-district according to response of restatement number and the professional UE context of MBMS of UE in the sub-district.Next whether judge the desired user number greater than P thresholding (S522), if judged result is for being then to return S508.If the desired user number is smaller or equal to the P thresholding, then variable i increases 1 (S524), judges whether the count cycle finish (being whether i is greater than N) (S526), if judged result is not for, then return step S518, repeated execution of steps S518, S520, S522, S524 and S526.If it (is that i＞N), the desired user number then triggers and finishes the switching (S528) of P-T-M to P-T-P still smaller or equal to the P thresholding, and starts the desired user number real-time statistics flow process (S530) under the P-T-P that the count cycle finishes.
In sum, the invention discloses the selection and the changing method of the professional send mode of a kind of MBMS, its basic thought is as follows:
The UE number that receives MBMS for expectation preestablishes two thresholdings: M thresholding and P thresholding, wherein the M thresholding is greater than the P thresholding.When the MBMS service conversation begins, radio network controller (Radio Network Controller, hereinafter to be referred as RNC) based on the counting response of UE in the sub-district and the UE number of the professional UE context of MBMS statistical expection reception MBMS business, if the UE number is greater than the P thresholding, then select the P-T-M mode to send, otherwise select the P-T-P mode to send.The MBMS session is carried out in the process, if the professional P-T-P mode that adopts of current MBMS sends, the real-time statistics expectation receives the UE number of MBMS business, when reaching the M thresholding, then triggers and finishes the switching of P-T-P to P-T-M; If the professional P-T-M mode that adopts of current MBMS sends, when UE number statistical intervalometer arrives constantly, judge earlier whether the expectation UE number that is in connected state reaches the M thresholding, if reach, do not start restatement and count flow process, treat that next statistical interval timer is to judging constantly again; Do not reach the M thresholding if be in the expectation UE number of connected state, then start restatement and count flow process, the professional UE context of response of the restatement number of UE and MBMS is added up the expectation UE number that obtains smaller or equal to the P thresholding in based on the sub-district, then trigger and finish the switching of P-T-M to P-T-P, otherwise keep the P-T-M mode to send, treat that next statistical interval timer is to judging constantly again.Wherein, the M thresholding is meant that expectation receives the UE number of MBMS than higher thresholding.The P thresholding is meant that expectation receives the lower thresholding of UE number of MBMS.
The step of professional send mode selection of MBMS of the present invention and changing method is as follows:
The first step: expect parameters such as UE number statistical intervalometer when pre-configured counting (or restatement number) cycle and different access probability factors, the UE number M thresholding of expecting reception MBMS and P thresholding and P-T-M mode send.
Second goes on foot: when the MBMS service conversation begins, issue the counting request, then according to the counting response of UE in the sub-district and the UE number of the professional UE context of MBMS statistical measurement expectation reception MBMS business, select the send mode of this MBMS business.This step comprises following substep again:
1, the counting response of UE is RRC connection request or cell update, and (Random Access Channel is hereinafter to be referred as RACH) sends to RNC by uplink random access channel.
2, congested for preventing RACH, adopt MBMS access control flow process, at first adopt smaller access probability to count, and statistical expection UE number.
3,, and finish send mode initial selected flow process if expectation UE number greater than the P thresholding, then selects the P-T-M mode to send.
4, if expectation UE number smaller or equal to the P thresholding, then adopts the access probability of follow-up increase to count, repeat the 3rd and 4 substeps.
5, if the count cycle finishes, expectation UE number then selects the P-T-P mode to send still smaller or equal to the P thresholding.
The 3rd step: the MBMS session is carried out in the process, if the professional P-T-P mode that adopts of current MBMS sends, based on the professional UE context of MBMS, the real-time statistics expectation receives the UE number of MBMS business, when reaching the M thresholding, then trigger and finish the switching of P-T-P, otherwise continue to keep the P-T-P send mode to P-T-M.
The 4th step: the MBMS session is carried out in the process, if the professional P-T-M mode that adopts of current MBMS sends, judge earlier whether the expectation UE number that is in connected state reaches the M thresholding, if do not reach the M thresholding, then count flow process based on restatement, judge that expectation UE number whether smaller or equal to the P thresholding, only smaller or equal to the P thresholding, just triggers and finishes the switching of P-T-M to P-T-P.This step comprises following substep again:
1, expects UE number statistical intervalometer to constantly, at first starting next expectation UE number statistical intervalometer, and receiving the UE number of MBMS business based on MBMS business UE context statistical expection.
2, if the expectation UE number of statistics more than or equal to the M thresholding, continue to keep the P-T-M send mode, and do not start restatement and count flow process, return substep 1.If expectation UE number starts restatement and counts flow process less than the M thresholding.
3, the response of the restatement number of UE sends to RNC for RRC connection request or cell update by last RACH channel.
4, at first adopt smaller access probability to count, and respond and the professional UE context of MBMS statistical expection UE number based on the restatement number of UE in the sub-district.
5, if expectation UE number greater than the P thresholding, then keeps the P-T-M mode, and returns substep 1.If expectation UE number then adopts the access probability of follow-up increase to carry out the restatement number smaller or equal to the P thresholding, repeat the 4th and 5 substeps.
6, if restatement end one number time is expected the UE number still smaller or equal to the P thresholding, then trigger and finish the switching of P-T-M to P-T-P.
Selection and changing method according to the professional send mode of MBMS of the present invention, when the MBMS session begins according to the sub-district in the counting response of UE and the professional UE context of MBMS determine that this MBMS business is to adopt the P-T-M mode to send or adopt the P-T-P mode to send, and carry out in the process in the MBMS session, the preferential P-T-M mode of selecting sends, only when expectation UE number is fewer, just start restatement and count flow process, and only when expectation UE number is considerably less, just switch to the P-T-P mode.
The selection and the changing method of the professional send mode of MBMS of the present invention, can reduce the overhead that frequent expectation UE number of cycles measurement causes effectively, and can effectively avoid the influence of the frequent switching of send mode to QoS of survice, simultaneously can make full use of Radio Resource again, improve power system capacity.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a send mode that is used for multimedia broadcast-multicast service is selected and changing method, it is characterized in that, said method comprising the steps of:
S202, the count cycle of the pre-configured number of user equipment statistical interval of radio network controller timer, subscriber equipment access probability factor, user device quantity purpose M thresholding and user device quantity purpose P thresholding, described M thresholding is used to assess the number of user equipment of measuring expectation receiving multimedia broadcast multicast service according to customer equipment context, and described P thresholding is used to assess the number that subscriber equipment added up in the context according to the restatement number response of subscriber equipment in the sub-district and subscriber equipment after the restatement number;
S204, according to the counting response of subscriber equipment and the number of the described subscriber equipment of customer equipment context statistical measurement, and under the situation that multimedia broadcast-multicast service begins, select the send mode of multimedia broadcast-multicast service according to the number of the subscriber equipment of measuring, described M thresholding and described P thresholding; And
S206, counting response and customer equipment context according to subscriber equipment are added up the number of measuring described subscriber equipment in real time, and carry out in the process at described multimedia broadcast-multicast service, determine whether to switch the send mode of described multimedia broadcast-multicast service according to the number of the subscriber equipment of measuring in real time, described M thresholding and described P thresholding;
Wherein, described step S204 comprises:
Described radio network controller is according to the number of the counting response statistics subscriber equipment of customer equipment context and subscriber equipment;
Under the situation of number greater than described P thresholding of the subscriber equipment that counts, select the point-to-multipoint send mode;
Number at the subscriber equipment that counts is less than or equal under the situation of described P thresholding, increases the number of the described subscriber equipment of statistics behind the described access probability; And
Number at count cycle end and described subscriber equipment still is less than or equal under the situation of described P thresholding, selects point-to-point send mode.
2. send mode according to claim 1 is selected and changing method, it is characterized in that, adopts at current multimedia broadcast-multicast service under the situation of point-to-multipoint send mode, and described step S206 comprises:
Under described number of user equipment statistical interval timer situation then, start next number of users statistical interval timer, and measure the number of user equipment of expectation receiving multimedia broadcast multicast service according to described customer equipment context;
Under the situation of described number of user equipment more than or equal to described M thresholding, keep described point-to-multipoint send mode, and do not carry out the restatement number, under the situation of described number of user equipment, carry out the restatement number less than described M thresholding;
Described radio network controller is counted according to the response of access probability and subscriber equipment, and adds up the number of subscriber equipment according to the context of response of the restatement number of subscriber equipment in the sub-district and subscriber equipment;
Under the situation of number greater than described P thresholding of described subscriber equipment, keep the point-to-multipoint send mode; Number at described subscriber equipment is less than or equal under the situation of described P thresholding, carries out the restatement number after increasing described access probability; And
When restatement finished one number time, the number of described subscriber equipment still was less than or equal under the situation of described P thresholding, and described point-to-multipoint send mode is switched to described point-to-point send mode.
3. send mode according to claim 1 is selected and changing method, it is characterized in that adopt at current multimedia broadcast-multicast service under the situation of point-to-point send mode, described step S206 comprises:
S2062-2 measures the number of described subscriber equipment in real time according to described customer equipment context; And
S2064-2, under the situation of number more than or equal to described M thresholding of described subscriber equipment, described point-to-point send mode is switched to described point-to-multipoint send mode, under the situation of number less than described M thresholding of described subscriber equipment, keep described point-to-point send mode.
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|---|---|---|---|---|
| CN1756231A (en) * | 2004-09-30 | 2006-04-05 | 华为技术有限公司 | Method for renewing count in multimedia broadcast multicast service system |
| CN1784919A (en) * | 2003-05-09 | 2006-06-07 | 摩托罗拉公司 | Method and apparatus for controlling access to a multimedia broadcast multicast service in a packet data communication system |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1784919A (en) * | 2003-05-09 | 2006-06-07 | 摩托罗拉公司 | Method and apparatus for controlling access to a multimedia broadcast multicast service in a packet data communication system |
| CN1756231A (en) * | 2004-09-30 | 2006-04-05 | 华为技术有限公司 | Method for renewing count in multimedia broadcast multicast service system |
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