CN1441604A - Radio channel configuration selecting method in multicast service - Google Patents
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Abstract
This invention relates to an optimation method realized for applying a channel arramagement according to the situation of multiple service users of mobile communication network UE/MS including when the service data are sent to UE/MS, the network sends beep to UE/MS which determines radio channel kind and service quality parameter according to its requirement to the service quality, UE/MS corresponds to the heep to send service request to the network including determined radio channel kind and service quality parameter, the network arranges radio channels of point to point or point to multipoint for UE/MS, and service data are transferred between the network and UE/MS on the set-up channel.
Description
Technical field
The present invention relates to the multicast service realization technology in the mobile communications network, relate to a kind of in mobile communications network or rather, with cast service data send to contracted should business the mobile subscriber time, by determining the distribution situation of this multicast service contracted user in each sub-district, dispose wireless channel, to issue the method for multi-case data.
Background technology
Multicast service is a kind of data to be sent to the business of a plurality of destinations from a source, and by multicast service, identical data content only need transmit and once just can be delivered to a plurality of users place, thereby saves Internet resources.
In comprising mobile communication networks such as global system for mobile communications (GSM), code division multiple access (CDMA) and Wideband Code Division Multiple Access (WCDMA) (WCDMA) network system, along with enriching constantly of class of business, demand to multicast service is also more and more stronger, such as in GPRS (UMTS) network, just introduced multimedia broadcast/multi broadcast (MBMS) business.
What below introduce is in mobile communications network, realizes some notions that multicast service relates to:
Multicast is signatory: be the user initiatively or passive process of contracting to a multicast service or the signatory group of multicast, signatory by multicast, just can activate a certain multicast service.
Multicast activates: be the process that the user joins multicast group, activate through multicast that the user just can receive cast service data, multicast activates and can be initiated to activate by a certain multicast service of user by selecting, is perhaps initiated to activate by home network.
The multicast group that contracts: be meant and carried out one group of signatory user that the user in this group can activate and receive and the relevant every multicast service of group of should contracting with multicast service.
The multicast district: be meant can receiving multicast traffic a physical region.
Multicast group: be meant prepare to receive and just one group of user of receiving multicast traffic, that is, multicast group is a subclass of the signatory group of multicast that the user of the signatory group of multicast joins and becomes multicast group in the multicast group by activating multicast service.
Illustrate a kind of network configuration (this network configuration that in universal mobile telecommunications system/GPRS (UMTS/GPRS) network, realizes multicast service in the accompanying drawing 1, only play with reference to the signal effect, the network configuration that realizes multicast service in the reality may be as shown in the drawing, also may be the improvement of carrying out on this graph structure basis or optimize structure).
Among the figure, left part is a wireless accessing network structure, and mid portion is a core network architecture, and the right side is the grouped data web frame, as INTERNET.
In wireless access network, UE/MS101, subscriber equipment (UE:User Equipment) is the general designation of portable terminal in the UMTS network, travelling carriage (MS:Mobile Station) is the general designation of portable terminal in the GPRS network.Similarly, RNS/BSS102, Radio Network System (RNS:Radio Network System) is the wireless access mesh portions in the UMTS network, the wireless access mesh portions in base station system (the BSS:Base Station System) GPRS network.
In the core net part, each functional entity is as broad as long substantially for UMTS network and GPRS network, therefore, can be in the same manner the core net of UMTS network or GPRS network be dealt with.In core net, include inner multicast service source 107.
In Packet Data Network, include multicast service content supplier 109 and outside multicast service source 108.
In realizing the multicast service process, the main effect of each functional entity is in this network configuration:
RNS/BSS102 is used to dispose wireless channel, sets up the cast service data transmission channel of wireless access side.
SGSN103 (Serving GPRS Support Node) carries out the miscellaneous service controlled function of multicast service, finish paging to the multicast contracted user, manage the user profile of each multicast service, transmit cast service data from GGSN (Gateway GPRS Support Node) to each relevant RNS or BSS.
GGSN104 is responsible for and the multicast service source of network internal or outside is got in touch, and will give SGSN from the data forwarding in inside and outside multicast service source.
105 pairs of transfer of data from the multicast service source of external network (as Packet Data Network) of borde gateway are controlled, and have only the data of certain particular address or some special interface can enter mobile communications network inside such as regulation.
Charging gateway 112 is connected with SGSN103, is responsible for collecting the charging data record of multicast service, send the charging center through after the relevant treatment.
Preserve multicast service contracted user's CAMEL-Subscription-Information and routing iinformation in the attaching position register 111 (HLR:Home Location Register).
In this network configuration, the line segment between each functional entity on the line is represented the interface section, and its effect repeats no more.
When GGSN receives from network internal or outside cast service data, need notice SGSN, by SGSN all users by RNS/BSS paging multicast group.
For cast service data sent to contracted should business all mobile subscribers, need to determine the distribution situation of this multicast service contracted user in each sub-district, thereby decision adopts any channel to issue multi-case data, here just there is one according to the multicast users distribution situation, the optimization method of which kind of channel configuration is adopted in decision, i.e. the method for configurating channel transmission cast service data how in wireless network.
When transmitting the multicast service content on the interface aloft, if number of users is a lot, adopt point-to-point (PTP) mode to be certain to cause the congested of wireless channel, and also very low to the utilance of frequency spectrum, transmit the multicast service content so should adopt a little to multiple spot (PTM) mode.If but the multicast users number that exists in sub-district seldom, such as one to two user, if also adopt point to the multipoint system configurating shared channel, be exactly a kind of waste to Radio Resource, adopting point to point system this moment is that each user's configure dedicated channel is just more suitable.So wireless network needs to know the distribution situation of multicast users in present each sub-district, thereby decision still is the configure dedicated channel for its configurating shared channel.
Referring to Fig. 2, illustrate the process of current MS, BSS, SGSN and GGSN functional entity realization multimedia broadcast/multi broadcast business (MBMS) among the figure.
Step 1 sends to SGSN by GGSN with the notification message of an X of multicast group, comprises contents such as the number of times of size, re-transmission of file and Quality of Service in the message;
Step 2, by SGSN a paging request message is sent to BSS, comprise in the message that (TMGI is a general identifier distributing to all-multicast user in the multicast group for the tabulation, Quality of Service etc. of Temporary Mobile Group Identity (TMGI), a plurality of IMSI International Mobile Subscriber Identity (IMSI), manage by SGSN, by using TMGI, all users that belong to same multicast group can carry out paging with a beep-page message);
Step 3, by BSS the multicast paging request message is sent to MS, with TMGI paging is carried out in all sub-districts, comprise a mark value (as the value of 8 bits) in the beep-page message, all MS will send this mark value and confirm reception to the multicast paging request on up link;
Step 4, the MS of every X of multicast group that contracted should return a multicast paging response message to BSS, must comprise that mark value (values of 8 bits) in the step 3 in the message, by receiving this mark value, BSS can know has to receive this multicast service content for what users in each sub-district.
Step 5, BSS calculates the response user's who receives number from each sub-district, and be that each sub-district sends a page-response message to SGSN, the numerical value that comprises the response user who receives in each sub-district in this page-response message, if this response numerical value that BSS receives is greater than certain value of setting (as 3), then the BSS branch is used in the Radio Resource that a little arrives the multiple spot transfer of data, thereby reach the purpose of saving air interface resource, if this response numerical value that BSS receives just can be according to the ordinary circumstance distributing point to the required Radio Resource of point data transmission less than certain value of setting (as 4);
Step 6 is by SGSN will (the affirmation message of step 1) be returned GGSN, and some user MS among the notice GGSN multicast X of group (not necessarily all user) have responded multicast paging message to the notification message of the X of multicast group.
Step 7 is passed through multicast service dedicated data transmission passage by GGSN with the multicast service content, issues and sends these user MS to.
There is following problems in the implementation procedure of business shown in Figure 2:
Add up the method for number of users by the response of MS with the decision channel configuration, only be applicable to GSM and GPRS network at present, because UMTS network and GPRS network and GSM network are having difference aspect the wireless channel configuration, thereby this method can not be applied in the wireless network of UMTS, do not have versatility;
Owing to need Access Network to respond the number of adding up multicast users by multicast paging, and the decision-making of making point-to-point in view of the above or putting multipoint link, therefore can influence the performance of Access Network to a great extent, simultaneously user's number be could correctly count, speed and efficient that network provides multicast service also influenced greatly because Access Network must be waited for the regular hour;
The way that with the sub-district is unit statistics multicast users number is in fact also infeasible, because the position of MS and state are constantly to change, wherein crossing over the very big probability of having of sub-district, thereby cause the statistics inaccuracy, if and want to improve the accuracy of statistics, just must frequently initiate the multicast paging process, can cause the waste of air interface resource again, and may not be meaningful;
Because Access Network must be waited for the regular hour and just can make the decision-making of institute's configurating channel type, therefore whether correct receiving multicast traffic inserts the judgement of asking to network can to have a strong impact on BSS, MS is thought by mistake to be needed to retransmit the request of access or abandon receiving multicast traffic, thereby causes multicast service correctly not realize.
Another kind of than the method (separate case application patent of invention) of selecting wireless channel to dispose in the more advanced realization multicast service of said method, then be to decide the type of setting up channel according to the number of multicast users in the route district by SGSN, when its during more than or equal to a certain threshold value, adopt point to the multipoint system configurating shared channel; When its during less than a certain threshold value, adopt point to point system configure dedicated channel.
Above-mentioned two kinds of scheme common characteristic are: all decide the channel that adopts point-to-point or put multiple spot to transmit multi-case data by network, common problem is:
Decide fully the type of channel, the process of setting up that the mobile subscriber can only passive participation multicast link by network side;
The mobile subscriber can not influence or determine network side to whether setting up point-to-point or put the result of multipoint link, thereby can not reflect the demand of mobile subscriber to multicast service quality (QoS).
Summary of the invention
The objective of the invention is to design the method for selecting the wireless channel configuration in a kind of multicast service, can reflect the demand of mobile subscriber multicast service quality (QoS).
Implementation method of the present invention is whether to be adopted point-to-point or put multipoint link by the own decision of mobile subscriber.The mobile subscriber sends to network with self to the transmission demand of multicast service, again by the wireless channel of network based mobile subscriber to quality (QoS) the demand assignment respective type of multicast service.
The technical scheme that realizes the object of the invention is such: select the method for wireless channel configuration in a kind of multicast service, realize at network side and mobile subscriber (UE/MS) side, it is characterized in that comprising following treatment step:
A. when having cast service data will be handed down to mobile subscriber (UE/MS), initiate paging to mobile subscriber (UE/MS) by network side;
B. mobile subscriber (UE/MS) determines wireless channel type and QoS parameter according to self requirement to the multicast service quality;
C. mobile subscriber (UE/MS) carries out page response, sends the multicast service request to network side, comprises determined wireless channel type and multicast service mass parameter in the request message;
D. network side according to mobile subscriber (UE/MS) to the requirement of wireless channel type and QoS parameter configuration point-to-point or put the wireless channel of multiple spot;
E. on the wireless channel of having set up between network side and the mobile subscriber (UE/MS), transmit cast service data.
Between described step C and the step D, also comprise between a network side and the mobile subscriber (UE/MS) with regard to the further negotiation of wireless channel type and multicast service mass parameter, until reaching consistent process.
The further negotiation of described wireless channel type and multicast service mass parameter, content comprise the multicast shared channel that adopts point-to-multipoint or point-to-point dedicated channel and the time delay and the error rate parameter that adopt.
Described steps A further comprises:
A11. send the notification message of an X of multicast group by Gateway GPRS Support Node (GGSN) functional entity of network side or multicast service source to Serving GPRS Support Node (SGSN), comprise multicast group group number and operation quality requirement in the message;
A12. initiate paging by the mobile subscriber (UE/MS) of Serving GPRS Support Node (SGSN) in the multicast group;
Described step C sends the multicast service request by mobile subscriber (UE/MS) to Serving GPRS Support Node (SGSN), carries out page response;
Described step D, be by Serving GPRS Support Node (SGSN) according to the requirement of mobile subscriber (UE/MS) to wireless channel type and QoS parameter, between Serving GPRS Support Node (SGSN) and mobile subscriber (UE/MS), set up the RAB of point to multiple spot or point-to-point;
Described step e further comprises:
E11. Serving GPRS Support Node (SGSN) finish RAB set up process after, return an acknowledge message at the notification message of steps A 11 to Gateway GPRS Support Node (GGSN) functional entity or multicast service source;
E12. on the RAB of having set up, begin to send cast service data by Gateway GPRS Support Node (GGSN).
Described steps A further comprises:
A21. the Serving GPRS Support Node (SGSN) by network side sends the paging request to wireless access mesh portions (RNS/BSS), mobile subscriber (UE/MS) access network in the request multicast group;
A22. initiate paging by wireless access mesh portions (RNS/BSS) to mobile subscriber (UE/MS);
Described step C sends the multicast service request by mobile subscriber (UE/MS) to wireless access mesh portions (RNS/BSS), carries out page response;
Described step D, be by wireless access mesh portions (RNS/BSS) according to the requirement of mobile subscriber (UE/MS) to wireless channel type and QoS parameter, be mobile subscriber (UE/MS) Multicast Channel or dedicated channel that set up to share of interface aloft by wireless access mesh portions (RNS/BSS);
Described step e further comprises:
E21. Serving GPRS Support Node (SGSN) finish RAB set up process after, return an acknowledge message at the paging request of steps A 21 to Gateway GPRS Support Node (GGSN) functional entity or multicast service source;
E22. on the RAB of having set up, begin to send cast service data by Gateway GPRS Support Node (GGSN).
The implementation method of selection wireless channel configuration of the present invention is a type of being selected the multicast service channel by the mobile subscriber, and network side entity is according to mobile subscriber's selection, and the channel of configuration respective type transmits multi-case data.
Network side can with quality (QoS) parameter of mobile subscriber's negotiated channel type or multicast service;
Wireless access network can be according to mobile subscriber's requirement, configuration Multicast Channel or dedicated channel;
SGSN can be according to the requirement of travelling carriage, and collocation point is to the RAB (establish aRAB between SGSN and mobile station) of multiple spot or the RAB of point-to-point.
The implementation method of selection wireless channel configuration of the present invention is compared with existing implementation, has the following advantages:
Avoided complex process by the network selecting wireless channel type;
Determine to transmit quality (QoS) parameter of multicast service by the mobile subscriber, can meet consumers' demand better;
Can cooperate with select the scheme of wireless channel type by network side, by the Quality of Service negotiation mechanism, for the optimization of transfer resource provides better solution.
Description of drawings
Fig. 1 is the schematic network structure that realizes multicast service in the UMTS network;
Fig. 2 is the implementation procedure figure of multimedia broadcast/multi broadcast business (MBMS);
Fig. 3 is the basic flow sheet that the quality requirement of multicast service is distributed the respective type wireless channel by network based mobile subscriber of the present invention;
Fig. 4 be of the present invention be flow chart that mobile subscriber dispose respective wireless access bearer according to the mobile subscriber to the demand of channel type by SGSN;
Fig. 5 is wireless access network of the present invention disposes a Multicast Channel or dedicated channel for the mobile subscriber to the demand of wireless channel type according to the mobile subscriber a flow chart.
Embodiment
Referring to Fig. 3, be the basic procedure of realizing the inventive method, the mobile subscriber sends to network side earlier with self delivery quality demand to multicast service, and by the wireless channel of network side according to this demand assignment respective type, the basic procedure of realization is again:
Step 1, when network side will send multi-case data and corresponding wireless channel when also not setting up to the mobile subscriber, network is initiated paging to the mobile subscriber;
Step 2, the mobile subscriber determines wireless channel type and other Quality of Service parameters according to self demand to multicast service quality (QoS);
Step 3, the mobile subscriber sends page response to network side, comprises the demand of mobile subscriber to wireless channel type and other Quality of Service parameters in the response message;
Step 4, network side can further be consulted the Quality of Service demand with the mobile subscriber, determines channel type that both sides can accept, time delay, error rate etc.;
Step 5, network side disposes corresponding wireless channel according to the demand to the demand of wireless channel type and other Quality of Service, sets up point-to-point or puts the RAB of multiple spot;
Step 6, by the wireless channel of having set up, network side sends to travelling carriage with cast service data.
Referring to Fig. 4, flow process realizes between mobile subscriber (UE/MS), wireless access mesh portions (RNS/BSS), Serving GPRS Support Node (SGSN) and Gateway GPRS Support Node (GGSN) functional entity among the figure.When the SGSN of network side receives the mobile subscriber after the multicast service that network side sends inserts request, can dispose a point-to-point to the demand of channel type for the mobile subscriber or put the RAB of multiple spot according to the mobile subscriber.
Step 1, when cast service data need be handed down to the mobile subscriber, GGSN or multicast service source sent the notification message of an X of multicast group to SGSN, comprised the number of times, Quality of Service of size, the re-transmission of X multicast group group number, file etc. in the message;
Step 2, the mobile subscriber of SGSN in X multicast group initiates paging;
Step 3, the mobile subscriber determines required wireless channel type and other qos parameters according to self demand to multicast service quality (QoS);
Step 4, the mobile subscriber responds paging, initiates the service access request to SGSN, has comprised quality (QoS) parameter of desired wireless channel type and other multicast services in the request message;
Step 5, QoS negotiated (QoS) parameter again between SGSN and the mobile subscriber;
Step 6, SGSN is according to the RAB of the Quality of Service demand configuration respective type of determining;
Step 6a if the Quality of Service demand of determining is to set up point to multipoint link, then sets up the RAB link of point to multiple spot between SGSN and mobile subscriber;
Step 6b if the Quality of Service demand of determining is to set up point-to-point link, then sets up the RAB link of point-to-point between SGSN and mobile subscriber;
Step 7, SGSN finish Radio Link set up process after, at the multicast in the step 1 indication, return an acknowledge message to GGSN or multicast service source, carry out multicast indication response, notice GGSN or multicast service source can begin to send cast service data;
Step 8, the professional beginning in GGSN or multicast service source sends cast service data on the Radio Link of having set up.
Referring to Fig. 5, flow process realizes between mobile subscriber (UE/MS), wireless access mesh portions (RNS/BSS) and Serving GPRS Support Node (SGSN) functional entity among the figure.When wireless access network receives that the mobile subscriber behind the Radio Link connection request that wireless access network sends, can dispose Multicast Channel or point-to-point dedicated channel of a point-to-multipoint according to the mobile subscriber for the mobile subscriber to the demand of wireless channel type.
Step 1, when cast service data need be handed down to the mobile subscriber, SGSN sent the paging request to wireless access mesh portions (RNS/BSS), and the mobile subscriber in the request X multicast group is linked into network;
Step 2, wireless access mesh portions (RNS/BSS) is initiated paging to mobile subscriber (UE/MS);
Step 3, the mobile subscriber selectes needed wireless channel type and other Quality of Service parameters according to self demand to multicast service quality (QoS);
Step 4, the mobile subscriber responds paging, initiates wireless connections to wireless access mesh portions (RNS/BSS) and sets up request, has comprised selected wireless channel type and other multicast service quality (QoS) parameters in the request message;
Step 5 can be consulted needed Quality of Service parameter between wireless access mesh portions (RNS/BSS) and the mobile subscriber again;
Step 6, wireless access mesh portions (RNS/BSS) is according to the wireless channel of determined Quality of Service demand configuration respective type;
Step 6a, if it is to set up point to multiple spot letter link that the Quality of Service of determining requires, then set up Multicast Channel on the interface aloft between wireless access mesh portions (RNS/BSS) and mobile subscriber (UE/MS), be the RAB link of point to multiple spot, this Multicast Channel is enjoyed jointly by the all-multicast service-user in the X multicast group;
Step 6b, if the Quality of Service demand of determining is to set up point-to-point link, then setting up dedicated channel on the interface aloft between wireless access mesh portions (RNS/BSS) and mobile subscriber (UE/MS), is the RAB link of point-to-point, by the multicast service user special use of this request;
Step 7, wireless access mesh portions (RNS/BSS) finish Radio Link set up process after, multicast indication at step 1 is returned the affirmation message that a multicast is indicated to SGSN or multicast service source, and notice SGSN or multicast service source can begin to send cast service data;
Step 8, SGSN begins to send cast service data on the wireless channel of having set up.
Select the method for wireless channel configuration in the multicast service of the present invention, according to self requirement, decide and select for use point-to-point or the point-to-multipoint wireless channel, for the optimization of transfer resource provides a kind of solution channel quality by the multicast service user.
Claims (5)
1. select the method for wireless channel configuration in the multicast service,, it is characterized in that comprising following treatment step in network side and the realization of mobile subscriber (UE/MS) side:
A. when having cast service data will be handed down to mobile subscriber (UE/MS), initiate paging to mobile subscriber (UE/MS) by network side;
B. mobile subscriber (UE/MS) determines wireless channel type and QoS parameter according to self requirement to the multicast service quality;
C. mobile subscriber (UE/MS) carries out page response, sends the multicast service request to network side, comprises determined wireless channel type and multicast service mass parameter in the request message;
D. network side according to mobile subscriber (UE/MS) to the requirement of wireless channel type and QoS parameter configuration point-to-point or put the wireless channel of multiple spot;
E. on the wireless channel of having set up between network side and the mobile subscriber (UE/MS), transmit cast service data.
2. select the method for wireless channel configuration in a kind of multicast service according to claim 1, it is characterized in that: between described step C and the step D, also comprise between a network side and the mobile subscriber (UE/MS) with regard to the further negotiation of wireless channel type and multicast service mass parameter, until reaching consistent process.
3. select the method for wireless channel configuration in a kind of multicast service according to claim 2, it is characterized in that: the further negotiation of described wireless channel type and multicast service mass parameter, content comprises the multicast shared channel that adopts point-to-multipoint or point-to-point dedicated channel and the time delay and the error rate parameter that adopt.
4. select the method for wireless channel configuration in a kind of multicast service according to claim 1 and 2, it is characterized in that: described steps A further comprises:
A11. send the notification message of an X of multicast group by Gateway GPRS Support Node (GGSN) functional entity of network side or multicast service source to Serving GPRS Support Node (SGSN), comprise multicast group group number and operation quality requirement in the message;
A12. initiate paging by the mobile subscriber (UE/MS) of Serving GPRS Support Node (SGSN) in the multicast group;
Described step C sends the multicast service request by mobile subscriber (UE/MS) to Serving GPRS Support Node (SGSN), carries out page response;
Described step D, be by Serving GPRS Support Node (SGSN) according to the requirement of mobile subscriber (UE/MS) to wireless channel type and QoS parameter, between Serving GPRS Support Node (SGSN) and mobile subscriber (UE/MS), set up the RAB of point to multiple spot or point-to-point;
Described step e further comprises:
E11. Serving GPRS Support Node (SGSN) finish RAB set up process after, return an acknowledge message at the notification message of steps A 11 to Gateway GPRS Support Node (GGSN) functional entity or multicast service source;
E12. on the RAB of having set up, begin to send cast service data by Gateway GPRS Support Node (GGSN).
5. select the method for wireless channel configuration in a kind of multicast service according to claim 1 and 2, it is characterized in that: described steps A further comprises:
A21. the Serving GPRS Support Node (SGSN) by network side sends the paging request to wireless access mesh portions (RNS/BSS), mobile subscriber (UE/MS) access network in the request multicast group;
A22. initiate paging by wireless access mesh portions (RNS/BSS) to mobile subscriber (UE/MS);
Described step C sends the multicast service request by mobile subscriber (UE/MS) to wireless access mesh portions (RNS/BSS), carries out page response;
Described step D, be by wireless access mesh portions (RNS/BSS) according to the requirement of mobile subscriber (UE/MS) to wireless channel type and QoS parameter, be mobile subscriber (UE/MS) Multicast Channel or dedicated channel that set up to share of interface aloft by wireless access mesh portions (RNS/BSS);
Described step e further comprises:
E21. Serving GPRS Support Node (SGSN) finish RAB set up process after, return an acknowledge message at the paging request of steps A 21 to Gateway GPRS Support Node (GGSN) functional entity or multicast service source;
E22. on the RAB of having set up, begin to send cast service data by Gateway GPRS Support Node (GGSN).
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| CN100466532C (en) * | 2006-10-30 | 2009-03-04 | 华为技术有限公司 | Set up method and its system for broadcast multi-cast service transmission mode |
| CN100488106C (en) * | 2003-10-17 | 2009-05-13 | 中国科学院计算技术研究所 | Adaptive service quality ensuring method in multi-playing environment |
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| CN101170724B (en) * | 2006-10-27 | 2011-09-28 | 华为技术有限公司 | A method, system and device for bearing mode conversion |
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2002
- 2002-02-27 CN CNB021039488A patent/CN1180639C/en not_active Expired - Fee Related
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| CN100334840C (en) * | 2004-11-19 | 2007-08-29 | 中国移动通信集团公司 | Method for push of service parameter information actively initiated by network management center |
| CN101170724B (en) * | 2006-10-27 | 2011-09-28 | 华为技术有限公司 | A method, system and device for bearing mode conversion |
| CN100466532C (en) * | 2006-10-30 | 2009-03-04 | 华为技术有限公司 | Set up method and its system for broadcast multi-cast service transmission mode |
| CN101971691B (en) * | 2008-03-13 | 2014-12-24 | 高通股份有限公司 | Methods and apparatus for acquiring and using multiple connection identifiers |
| CN101971691A (en) * | 2008-03-13 | 2011-02-09 | 高通股份有限公司 | Methods and apparatus for acquiring and using multiple connection identifiers |
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| CN102792745B (en) * | 2009-12-11 | 2015-05-13 | 诺基亚公司 | Method, apparatus and computer program product for allocating resources in wireless communication network |
| CN102792745A (en) * | 2009-12-11 | 2012-11-21 | 诺基亚公司 | Method, apparatus and computer program product for allocating resources in wireless communication network |
| WO2011069295A1 (en) * | 2009-12-11 | 2011-06-16 | Nokia Corporation | Method, apparatus and computer program product for allocating resources in wireless communication network |
| WO2016037554A1 (en) * | 2014-09-09 | 2016-03-17 | 清华大学 | Hybrid network system, communication method and network node |
| US10778738B2 (en) | 2014-09-09 | 2020-09-15 | Tsinghua University | Hybrid network system, communication method and network node |
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