CN103945473A - WiMAX network switching method based on routing state - Google Patents
WiMAX network switching method based on routing state Download PDFInfo
- Publication number
- CN103945473A CN103945473A CN201410075690.7A CN201410075690A CN103945473A CN 103945473 A CN103945473 A CN 103945473A CN 201410075690 A CN201410075690 A CN 201410075690A CN 103945473 A CN103945473 A CN 103945473A
- Authority
- CN
- China
- Prior art keywords
- base station
- message
- trigger
- switching
- routing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000006854 communication Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims description 16
- 230000011664 signaling Effects 0.000 claims description 14
- 238000013461 design Methods 0.000 claims description 11
- 230000004044 response Effects 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000002596 correlated effect Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 238000010606 normalization Methods 0.000 claims description 2
- 239000013598 vector Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Abstract
The invention discloses a WiMAX network switching scheme based on the routing state. The WiMAX network switching method based on the routing state includes the following steps that an ASN-GW detects relevant information of a data link and judges whether the information meets the switching trigger conditions or not, and if the information meets the switching trigger conditions, a notice is given to a switching execution point BS to trigger network switching; an MS scans BSes in a neighboring BS list according to scanning parameters, and relevant measured values of adjacent base stations meeting the index threshold requirement are sent to the execution point BS to form a candidate base station set; after the routing state of candidate BSes are pre-judged by the execution point BS, all the candidate BSes are graded and ranked through a target base station selection algorithm, a recommended switching base station list is sent to the MS, if the candidate BSes are superior to current BSes in service, the MS is switched into the target base stations, new connection is established, and data packets are continuously transmitted. Compared with the prior art, the switching performance of a mobile terminal in a network can be improved, local routing of the communication process is actively facilitated through switching, and thus the transmission efficiency of the whole network is improved, and network resources are effectively saved.
Description
Technical field
The present invention relates to broadband wireless network technical field, specifically a kind of WiMAX method for switching network based on routing state.
Background technology
The appearance of WiMAX network has not only met the development need of WiMAX access, has also well solved " last kilometer " access problem.But the increasing of mobile subscriber, the day by day universal of multimedia service application all challenged to WiMAX network performance.How handover scheme reasonable in design, in telex network process, improving message transmission rate and link circuit resource utilance is the problem that is worth research.
(1) the impact of type of service is not considered in handover scheme research in common community, but in fact dissimilar business is different to the condition of handover trigger.For example, when mobile subscriber uses speech business, requirement of real-time is higher, generally taking received signal strength as handover triggering condition, reduces switching times as far as possible, in case occur that call drop phenomenon affects user communication quality; And when usage data business, power system capacity is had relatively high expectations, generally using community present flow rate etc. as handover triggering condition, guiding user in time and the switching of intelligence, realizes minizone load balancing.Not enough for this point, in the time of design WiMAX handover scheme, using type of service as one of important handover trigger strategy, accomplish the different handover schemes of different business herein.
(2) common community handover scheme research is not based on local routing technology.In the WiMAX network based on conventional route, telex network path is fixed, as shown in Figure 1, after data message sends, through calling subscriber's serving BS, gateway, anchor ASN-GW, after arrival CSN, will be sent back to again anchor ASN-GW, gateway, called subscriber's serving BS, is finally received by called subscriber.And in the WiMAX network based on local routing, mobile subscriber's routed path of communicating by letter can divide for four kinds: BS local routing, service ASN-GW local routing, grappling ASN-GW local routing and conventional route, if communicating pair is under same BS, can set up the local routing path based on BS, so not only save Internet resources, also greatly improved message transmission rate.
Local routing technology causes the difference of routing state, and message transmission rate and link circuit resource utilance are also had a great impact.In the time of design WiMAX handover scheme, using routing state value as one of important handover trigger strategy, guiding user selects to set up shorter data transmission link, effectively saves link circuit resource herein.
Summary of the invention
The present invention is directed to the deficiency that exists in existing handover scheme and the solution of each point, a kind of WiMAX network handover scheme based on routing state is provided, the trigger condition proposing with the present invention triggers switching, one of and attribute factor using routing state value (I) as target strategy function, improve the efficiency of transmission of whole network, save Internet resources.
The present invention solves the technical scheme that its technical problem takes: the present invention is based on local routing technology, by introducing type of service, routing state value as important handover trigger value, Consideration using the estimated value of routing state value, signal quality (carrier-in-interference noise ratio CINR) the effective idle capacity of measured value and base station as target BS selection algorithm, propose a kind of changing method of routing optimality, described method comprises the steps:
Step 1): service IAD (ASN-GW) detects certain data link (LRID in local communication route record table
i) relevant information, check Business Stream (SFID) and routing state value (I), perform step 2 if meet handover triggering condition), otherwise continue to detect LRID
i+1;
Step 2): ASN-GW detects user related data form (context form) to obtain data link LRID
irelevant information, and to the current service BS that switches execution point BS(caller MS) send handoff trigger message; Feedback response message after switching execution point BS reception handoff trigger message;
Step 3): switch execution point BS and initiatively send MOB_SCN RSP message to MS, trigger and switch, comprise sweep parameter in this message;
Step 4): MS is according to the base station in sweep parameter scanning neighboring BS list, and the correlation measure of neighbor base station that meets metrics-thresholds requirement is sent to and switches execution point BS;
Step 5): switch the candidate BS interactive information in execution point BS and candidate base station set, carry out routing state and judge in advance;
Step 6): switch execution point BS and use target BS selection algorithm to each candidate BS scoring sequence, and send and recommend base station shifting list (in list, candidate BS is by good and bad sequence, and the superior is front) to MS;
Step 7): MS determines handover-target base station, if exist candidate BS to be better than current service BS, arrives step 9), if current service BS the best is cancelled handover operation;
Step 8): switch execution point BS notification target base station, MS switches and.Switching after execution point BS and the measured L frame of the prior business of MS, discharging up-downgoing and connect;
Step 9): MS sends range finding message to target BS, again networks, and sets up data and connects, and packet resumes;
Above-mentioned steps 1) in, described handover triggering condition refers to and meets following two conditions simultaneously:
SFID
i≠0 （1）
I
i≠ 0 and I
i≠ 3 (2)
Business Stream SFID value is defined as follows: session service, and definition SFID value is 00, background type service, definition SFID value is 01, streaming media service, definition SFID value is 10, interactivity business, definition SFID value is 11;
Routing state value I is defined as follows: the routing state value based on BS local routing is 11; Routing state value based on service ASN-GW local routing is 10; Routing state value based on grappling ASN-GW local routing is 01; The routing state value of the conventional route of CSN is 00;
Condition (1) has defined the traffic flow types that may switch and trigger, and only has as routing link LRID
iwhile being non-voice service, just likely triggering and switch.Because speech business is higher to requirement of real-time, to save finite element network resource as the handoff procedure of object may cause dropped calls, affect speech quality;
Condition (2) has defined the link routing state that may switch and trigger, i.e. current routing link LRID
irouting state be not local routing and the conventional route based on BS.If current link is based on BS local routing, the resource that now link takies has been minimum, does not need to attempt switching; If current link is to carry out conventional route, must relate to R3 reference point if switch, belong to CSN and switch, first do not consider herein;
Above-mentioned steps 2) in, the message design between described service ASN-GW and the serving BS broadcasts of caller MS is as follows:
The message primitive relevant with handover trigger is mainly the signaling message between handover trigger control point ASN-GW and execution point BS, is mainly that control point informs that execution point starts switching flow, and the feedback message of execution point; Signaling message between ASN-GW and BS is in the transmission of R6 reference point, and concrete form as shown in Figure 3;
According to the needs of handover mechanism, on the basis of existing signaling format, design one group of handover trigger signaling message, comprise two kinds of message signalings: the request of HoTrigger_Req(handover trigger), value of message types is that 1, OPID value is 001; The response of HoTrigger_Ack(handover trigger), value of message types is that 3, OPID value is 011;
The concrete function of signaling message and content-defined as follows:
(1) the relevant information that Ho Trigger_Req:Ho Trigger TLV comprises the data link that can implement handover operation, notice BS is the initiation of services handover trigger to data link to which.In this message, comprise following content:
(a) route numbering ID:Local RoutingID(LRID).The unique identification of communication routing link, unique in an ASN-GW compass of competency, ASN-GW is according to this identification record supervisory communications link;
(a) switch execution point ID: the mark of carrying out the base station of network handover trigger;
(b) switching controls point ID: the ASN-GW mark of controlling handover trigger;
(c) with reference to IP: called subscriber's IP address value;
(d) Business Stream correlated identities (may have multiple Business Streams simultaneously to start handover trigger):
Business Stream indicates: the Business Stream 1 that need to switch identifies SFID1;
ID of trace route path: the connection identifiers CID 1 that need to stop forwarding data traffic flow 1;
Business Stream indicates: the Business Stream 2 that need to switch identifies SFID2;
ID of trace route path: the connection identifiers CID 3 that need to stop forwarding data traffic flow 2;
(2) Ho Trigger_Ack: the acknowledge message of handover trigger.In this message, comprise following content:
(a) route numbering ID:Local RoutingID(LRID).The unique identification of communication routing link, unique in an ASN-GW compass of competency, ASN-GW is according to this identification record supervisory communications link;
(b) switch execution point ID: the BS mark of carrying out handover trigger;
(c) switching controls point ID: the ASN-GW mark of controlling handover trigger;
(d) switching state mark: 0 represents handover trigger success, otherwise is unsuccessfully;
Above-mentioned steps 6) in, described objective decision function design is as follows:
Choose CINR, the effective idle capacity of routing state value (I) and the base station decision factor as target selection algorithm; Wherein CINR has considered the signal quality of candidate base station, I has predicted that MS is switched to the routing state after candidate base station, considered the situation that takies of communication link to resource, the effective idle capacity in base station has been considered the loading condition of candidate base station, and MS is switched under candidate base station whether can obtain sufficient bandwidth;
Adopt the comprehensive strategic algorithm based on simple weighted method (SAW), the total score of candidate base station is by weight and the decision of its all properties value; Weighted value is determined by analytic hierarchy process (AHP);
According to the importance of each decision factor, design judgement matrix A is as follows, and wherein CINR is designated as C
1, routing state value I is designated as C
2, the effective idle capacity in base station is designated as C
3:
By the weight vectors obtaining after Eigenvector normalization be: w=[0.1396 0.5279 0.3325]
Through checking this judgement matrix to there is consistency.
Adopt after such scheme, the present invention has following improvement:
Detailed WiMAX network handover trigger and decision function mechanism are designed, in communication process, network notifies user to switch to set up the new access path based on local routing, can reduce like this hop count of packet in transmitting procedure, greatly increase the efficiency of transmission of data, saved Internet resources.
Brief description of the drawings
Fig. 1 is the basic network topological structure schematic diagram of WiMAX;
Fig. 2 (a) is from switch to the data transfer path comparison diagram based on BS local routing based on ASN-GW local routing.
Fig. 2 (b) is by switching to the data transfer path comparison diagram based on ASB-GW local routing based on grappling ASN-GW local routing.
Fig. 3 is the concrete form of the signaling message of R6 reference point transmission;
Fig. 4 is overall flow figure of the present invention;
Fig. 5 is service ASN-GW and switches Signalling exchange figure between execution point BS;
The pre-decision flow chart of Fig. 6 routing state;
Embodiment
Below in conjunction with Figure of description, the present invention is described in further details.
As shown in Figure 4, the invention provides a kind of WiMAX method for switching network based on routing state, comprise the following steps:
Step 1): service ASN-GW1 detects the relevant information of data link in local communication route record table, SFID value in LRID1 is 0, do not meet handover triggering condition, continue to detect next data link relevant information, SFID in LRID2 is 1, I value is 2, meets handover triggering condition, carry out step 2); The local communication route record table that table 1 is ASN-GW1 place;
Table 1 local communication route record table
Step 2): service ASN-GW1 continues to detect user related data form (context form), obtains the serving BS mark BS1-ID of the caller MS-C in data link LRID2, and BS1 is for switching execution point BS; Then serve ASN-GW1 and send handoff trigger message Ho Trigger_Req to BS1, BS1 receives after handoff trigger message, feedback Ho Trigger_Ack message, and information interaction figure is as shown in Figure 5; Table 2 is context form;
Table 2context form
In handover trigger request Ho Trigger_Req, comprise following content:
(a) route numbering ID:LRID2
(b) switching controls point ID:ASN-GW-1ID
(c) switch execution point ID:BS1-ID
(d) with reference to IP:IP-D
(e) Business Stream indicates: the Business Stream 1 that need to switch identifies SFID1;
ID of trace route path: the connection identifiers CID-C-1 that need to stop forwarding data traffic flow 1;
In handover trigger response message Ho Trigger_Ack, comprise following content:
(a) route numbering ID:LRID2
(b) switching controls point ID:ASN-GW-1ID
(c) switch execution point ID:BS1-ID
(d) switching state mark: 0
Step 3): BS1 initiatively sends MOB_SCN RSP message to MS-C, triggers and switches, and in this message, comprises sweep parameter;
Step 4): MS-C is according to the base station in sweep parameter scanning neighboring BS list, and the correlation measure of the contiguous BS that meets metrics-thresholds requirement is sent to BS1, the set of composition candidate base station;
BS interactive information in step 5): BS1 and candidate base station set, carries out routing state and judges in advance, and process as shown in Figure 6;
Step 6): serving BS broadcasts 1 is used target BS selection algorithm to each candidate BS marking sequence, and sends one to caller MS-C and recommend base station shifting list;
Table 3 is the weighted value of each attribute factor.
The weighted value of the each attribute factor of table 3
| CINR | Routing state value I | Effectively idle capacity |
| 0.1396 | 0.5279 | 0.3325 |
Step 7): MS-C determines handover-target base station, if exist candidate BS to be better than current service BS1, arrives step 8), if current service BS1 the best is cancelled handover operation;
Step 8): BS1 informs that target BS caller MS-C switches and.After former serving BS broadcasts 1 and the measured L frame of the prior business of caller MS-C, discharge up-downgoing and connect;
Step 9): MS-C sends range finding message to target BS, again networks, and sets up data and connects, and packet resumes.
Claims (4)
1. a method for switching network of the WiMAX based on routing state, described method comprises the steps:
Step 1): service IAD (ASN-GW) detects certain data link (LRID in local communication route record table
i) relevant information, check Business Stream (SFID) and routing state value (I), perform step 2 if meet handover triggering condition), otherwise continue to detect LRID
i+1;
Step 2): ASN-GW detects user related data form (context form) to obtain data link LRID
irelevant information, and to the current service BS that switches execution point BS(caller MS) send handoff trigger message; Feedback response message after switching execution point BS reception handoff trigger message;
Step 3): switch execution point BS and initiatively send MOB_SCN RSP message to MS, trigger and switch, comprise sweep parameter in this message;
Step 4): MS is according to the base station in sweep parameter scanning neighboring BS list, and the correlation measure of neighbor base station that meets metrics-thresholds requirement is sent to and switches execution point BS;
Step 5): switch the candidate BS interactive information in execution point BS and candidate base station set, carry out routing state and judge in advance;
Step 6): switch execution point BS and use target BS selection algorithm to each candidate BS scoring sequence, and send and recommend base station shifting list (in list, candidate BS is by good and bad sequence, and the superior is front) to MS;
Step 7): MS determines handover-target base station, if exist candidate BS to be better than current service BS, arrives step 9), if current service BS the best is cancelled handover operation;
Step 8): switch execution point BS notification target base station, MS switches and.Switching after execution point BS and the measured L frame of the prior business of MS, discharging up-downgoing and connect;
Step 9): MS sends range finding message to target BS, again networks, and sets up data and connects, and packet resumes.
2. WiMAX method for switching network as claimed in claim 1, is characterized in that: in described step 1), handover triggering condition refers to and meets following two conditions simultaneously:
SFID
i≠0 （1）
I
i≠ 0 and I
i≠ 3 (2)
Business Stream SFID value is defined as follows: session service, and definition SFID value is 00, background type service, definition SFID value is 01, streaming media service, definition SFID value is 10, interactivity business, definition SFID value is 11;
Routing state value I is defined as follows: the routing state value based on BS local routing is 11; Routing state value based on service ASN-GW local routing is 10; Routing state value based on grappling ASN-GW local routing is 01; The routing state value of the conventional route of CSN is 00;
Condition (1) has defined the traffic flow types that may switch and trigger, and only has as routing link LRID
iwhile being non-voice service, just likely triggering and switch.Because speech business is higher to requirement of real-time, to save finite element network resource as the handoff procedure of object may cause dropped calls, affect speech quality;
Condition (2) has defined the link routing state that may switch and trigger, i.e. current routing link LRID
irouting state be not local routing and the conventional route based on BS.If current link is based on BS local routing, the resource that now link takies has been minimum, does not need to attempt switching; If current link is to carry out conventional route, must relate to R3 reference point if switch, belong to CSN and switch, first do not consider herein.
3. WiMAX method for switching network as claimed in claim 1, is characterized in that: described step 2) in, the message design between service ASN-GW and the serving BS broadcasts of caller MS is as follows:
The message primitive relevant with handover trigger is mainly the signaling message between handover trigger control point ASN-GW and execution point BS, is mainly that control point ASN-GW informs that execution point BS starts switching flow, and the feedback message of execution point BS; Signaling message between ASN-GW and BS is in the transmission of R6 reference point, and concrete form as shown in Figure 3;
According to the needs of handover mechanism, on the basis of existing signaling format, design one group of handover trigger signaling message, comprise two kinds of message signalings: the request of HoTrigger_Req(handover trigger), value of message types is that 1, OPID value is 001; The response of HoTrigger_Ack(handover trigger), value of message types is that 3, OPID value is 011;
The concrete function of described signaling message and content-defined as follows:
(1) the relevant information that Ho Trigger_Req:Ho Trigger TLV comprises the data link that can implement handover operation, notice BS is the initiation of services handover trigger to data link to which.In this message, comprise following content:
(a) route numbering ID:Local RoutingID(LRID).The unique identification of communication routing link, unique in an ASN-GW compass of competency, ASN-GW is according to this identification record supervisory communications link;
(b) switch execution point ID: the mark of carrying out the base station of network handover trigger;
(c) switching controls point ID: the ASN-GW mark of controlling handover trigger;
(d) with reference to IP: called subscriber's IP address value;
(e) Business Stream correlated identities (may have multiple Business Streams simultaneously to start handover trigger):
Business Stream indicates: the Business Stream 1 that need to switch identifies SFID1;
ID of trace route path: the connection identifiers CID 1 that need to stop forwarding data traffic flow 1;
Business Stream indicates: the Business Stream 2 that need to switch identifies SFID2;
ID of trace route path: the connection identifiers CID 3 that need to stop forwarding data traffic flow 2;
(2) Ho Trigger_Ack: the acknowledge message of handover trigger.In this message, comprise following content:
(a) route numbering ID:Local RoutingID(LRID).The unique identification of communication routing link, unique in an ASN-GW compass of competency, ASN-GW is according to this identification record supervisory communications link;
(b) switch execution point ID: the BS mark of carrying out handover trigger;
(c) switching controls point ID: the ASN-GW mark of controlling handover trigger;
(d) switching state mark: 0 represents handover trigger success, otherwise is unsuccessfully.
4. WiMAX method for switching network as claimed in claim 1, is characterized in that: in described step 6), the design of objective decision function is as follows:
Choose CINR, the effective idle capacity of routing state value (I) and the base station decision factor as target selection algorithm; Wherein CINR has considered the signal quality of candidate base station, I has predicted that MS is switched to the routing state after candidate base station, considered the situation that takies of communication link to resource, the effective idle capacity in base station has been considered the loading condition of candidate base station, and MS is switched under candidate base station whether can obtain sufficient bandwidth;
Adopt the comprehensive strategic algorithm based on simple weighted method (SAW), the total score of candidate base station is by weight and the decision of its all properties value; Weighted value is determined by analytic hierarchy process (AHP);
According to the importance of each decision factor, design judgement matrix A is as follows, and wherein CINR is designated as C
1, routing state value I is designated as C
2, the effective idle capacity in base station is designated as C
3:
By the weight vectors obtaining after Eigenvector normalization be: w=[0.1396 0.5279 0.3325] through checking this judgement matrix to there is consistency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410075690.7A CN103945473B (en) | 2014-03-03 | 2014-03-03 | WiMAX network switching method based on routing state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410075690.7A CN103945473B (en) | 2014-03-03 | 2014-03-03 | WiMAX network switching method based on routing state |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103945473A true CN103945473A (en) | 2014-07-23 |
| CN103945473B CN103945473B (en) | 2017-05-17 |
Family
ID=51192901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410075690.7A Expired - Fee Related CN103945473B (en) | 2014-03-03 | 2014-03-03 | WiMAX network switching method based on routing state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103945473B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108632926A (en) * | 2017-03-24 | 2018-10-09 | 华为技术有限公司 | Communication means, the network equipment and terminal |
| CN111885657A (en) * | 2020-07-09 | 2020-11-03 | 成都四相致新科技有限公司 | Base station communication quality selection and evaluation system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020052180A1 (en) * | 2000-08-09 | 2002-05-02 | Hughes Electronics | System and method for mobility management for a satellite based packet data system |
| WO2005048634A1 (en) * | 2003-11-12 | 2005-05-26 | Siemens Aktiengesellschaft | Method and network element for distributing and directing data packets during a handover of a mobile transceiver station from a first radio cell to a second radio cell within a mobile communication network |
| CN101222752A (en) * | 2007-01-12 | 2008-07-16 | 华为技术有限公司 | Group node switching method, communication system based on group node, group node controller |
| CN102651893A (en) * | 2011-02-25 | 2012-08-29 | 华为终端有限公司 | Service base station switching method, system and device |
-
2014
- 2014-03-03 CN CN201410075690.7A patent/CN103945473B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020052180A1 (en) * | 2000-08-09 | 2002-05-02 | Hughes Electronics | System and method for mobility management for a satellite based packet data system |
| WO2005048634A1 (en) * | 2003-11-12 | 2005-05-26 | Siemens Aktiengesellschaft | Method and network element for distributing and directing data packets during a handover of a mobile transceiver station from a first radio cell to a second radio cell within a mobile communication network |
| CN101222752A (en) * | 2007-01-12 | 2008-07-16 | 华为技术有限公司 | Group node switching method, communication system based on group node, group node controller |
| CN102651893A (en) * | 2011-02-25 | 2012-08-29 | 华为终端有限公司 | Service base station switching method, system and device |
Non-Patent Citations (1)
| Title |
|---|
| 缪秋实: "WiMAX网络基于本地路由的切换优化方案", 《科技创新导报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108632926A (en) * | 2017-03-24 | 2018-10-09 | 华为技术有限公司 | Communication means, the network equipment and terminal |
| CN108632926B (en) * | 2017-03-24 | 2021-04-09 | 华为技术有限公司 | Communication method, network equipment and terminal |
| US11412432B2 (en) | 2017-03-24 | 2022-08-09 | Huawei Technologies Co., Ltd. | Communication method, network device, and terminal |
| CN111885657A (en) * | 2020-07-09 | 2020-11-03 | 成都四相致新科技有限公司 | Base station communication quality selection and evaluation system and method |
| CN111885657B (en) * | 2020-07-09 | 2023-04-28 | 成都四相致新科技有限公司 | Base station communication quality selection and evaluation system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103945473B (en) | 2017-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101717394B1 (en) | Method and apparatus for performing data transmission in wireless communication system | |
| US9572078B2 (en) | Method for accessing base station, base station, and user equipment | |
| US8447304B2 (en) | Mobile communication system and access gateway having plural user plane AGWs | |
| US9674754B2 (en) | Method and system for handover of a user equipment in cell based networks | |
| US20110122812A1 (en) | Seamless service method controlled by user terminal | |
| US8699402B2 (en) | Multi-hop relay radio communication system, access gateway, and route selection method | |
| US9078187B2 (en) | System and method for handoff between different types of networks | |
| KR20010041587A (en) | Telecommunications inter-exchange measurement transfer | |
| KR101614518B1 (en) | Method and Device for Determining Channel Quality | |
| JP4843031B2 (en) | Radio base station and radio communication system for starting inter-system handoff | |
| KR20060030428A (en) | Method and system for controlling hard handoff in mobile network | |
| CN102761928A (en) | Heterogeneous network switching method for group user based on business QoS | |
| CN102056260A (en) | Mobile parameter enquiry and negotiation method and system | |
| WO2009090191A1 (en) | Multi-mode traffic engineered handover management device and method for a broadband wireless access network | |
| WO2014177003A1 (en) | Measurement configuration processing method and device | |
| CN103686908A (en) | Direct connection communication terminal session switching method and device in mobile communication network | |
| CN102098752B (en) | Wireless mesh network (WMN)-oriented association and seamless handover method | |
| Sun et al. | A multi-attribute handover algorithm for QoS enhancement in ultra dense network | |
| Taleb et al. | Geographical location and load based gateway selection for optimal traffic offload in mobile networks | |
| CN103945473A (en) | WiMAX network switching method based on routing state | |
| Cao et al. | Qos-driven SCTP-based multimedia delivery over heterogeneous wireless networks | |
| Bukhari et al. | QoS based approach for LTE-WiFi handover | |
| Wu et al. | Congestion-aware proactive vertical handoff algorithm in heterogeneous wireless networks | |
| Khan et al. | Zero scanning time for 802.11 networks by using media independent information server (miis) | |
| JP5870700B2 (en) | Radio base station apparatus, communication control method, and communication control program |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |