CN102348241A - Home node base station and bandwidth allocation method thereof - Google Patents
Home node base station and bandwidth allocation method thereof Download PDFInfo
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- CN102348241A CN102348241A CN2011103400500A CN201110340050A CN102348241A CN 102348241 A CN102348241 A CN 102348241A CN 2011103400500 A CN2011103400500 A CN 2011103400500A CN 201110340050 A CN201110340050 A CN 201110340050A CN 102348241 A CN102348241 A CN 102348241A
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Abstract
The invention relates to the field of network communication, in particular to a home node base station and a bandwidth allocation method thereof. The method comprises the following steps of: detecting a home node base station, namely detecting communication state information between a core network and the home node base station and between the home node base station and a user mobile terminal; and when the communication state information meets pre-set conditions, switching businesses of users with low priority out of the home node base station and keeping businesses of users with high priority. According to the embodiment of the invention, different services are provided for the users according to priorities of the users in a condition that the communication state of the home node base station is unstable, so that all the communication services of the users with the high priority are ensured, and the necessary communication services of the users with the low priority are further ensured.
Description
Technical field
The present invention relates to the communications field, networking, particularly about a kind of Home eNodeB and bandwidth adaptation method thereof.
Background technology
Because the application scenarios of Home eNodeB (HNB) is more common in family or minimized office place; Insert the carrier network of far-end mostly by the ADSL internet; Under the Home eNodeB scene of enterprises; When the Access Control of family base station is set to mix access module; Home eNodeB can provide service for the member of relevant closed user group (CSG); Simultaneously also can be but the registered user of public land mobile network (PLMN) provides service for not belonging to this Home eNodeB CSG; But because the limited bandwidth of ADSL access waies such as (ADSL); When a plurality of users insert by same HNB; Under fixed network outlet bandwidth condition of limited, the conversation or the data, services that can cause all to insert the user are affected.
Summary of the invention
The embodiment of the invention provides a kind of Home eNodeB and bandwidth adaptation method thereof, is used for solving the prior art Home eNodeB because communications status such as bandwidth change, and causes user's communication or the affected problem of data, services.
The embodiment of the invention provides a kind of Home eNodeB bandwidth adaptation method, comprises,
Home eNodeB detects and comprises core net and Home eNodeB, the communicate status information between Home eNodeB and the customer mobile terminal;
When said communicate status information satisfies preset condition, the business of low priority user switched said Home eNodeB, the business of high-priority users is kept.
A further aspect according to a kind of Home eNodeB bandwidth adaptation method of the embodiment of the invention; Home eNodeB detects and comprises core net and Home eNodeB; Communicate status information between Home eNodeB and the customer mobile terminal further comprises; Regularly detect the network service state between core net and the Home eNodeB through active mode; Distinguish the uplink and downlink communication process through passive mode; To core net and Home eNodeB, the communication process between Home eNodeB and the customer mobile terminal detects.
Another further aspect according to a kind of Home eNodeB bandwidth adaptation method of the embodiment of the invention; Said active mode comprises; Detect the communications status between core net and the Home eNodeB; At regular intervals at interval; Detect the maximum bandwidth that current home base station network interface can use or the communicate status information of current time delay; When said available maximum bandwidth during less than predetermined bandwidth threshold value or current time delay during greater than the time delay threshold value, then current communications status is congested communications status.
Whether congested according to another further aspect of a kind of Home eNodeB bandwidth adaptation method of the embodiment of the invention, said passive mode comprises that the communication process of upstream or downstream is analyzed, obtain communicate status information;
Wherein, the downlink communication process analysis procedure analysis comprises, when the packet loss in the communication process or Packet Error Rate surpassed predetermined error thresholds value, then the downlink communication process was congested communications status;
Perhaps, when wireless chain control layer (RLC) can't in time be handled received protocol Data Unit (PDU), then the downlink communication process was congested communications status;
The uplink communication process analysis procedure analysis comprises, calculates Current IPTI, and when Current IPTI＞IPTI, then the uplink communication process is congested communications status;
Perhaps, when the socket of uplink floor buffer surpassed predetermined buffer district threshold value, then the uplink communication process was congested communications status;
Perhaps, when the uplink layer can't in time send packet or report mistake, then up communication process was congested communications status.
Another further aspect according to a kind of Home eNodeB bandwidth adaptation method of the embodiment of the invention; After the uplink layer can't in time send packet or report mistake; Can also detect the speed of current available maximum bandwidth and current upstream data bag; If when the speed of current available maximum bandwidth and current upstream data bag maintained an equal level, then the uplink communication process was recoverable congested communications status; If current available maximum bandwidth is when the speed of current upstream data bag maintains an equal level, then the uplink communication process is congested communications status.
Another further aspect according to a kind of Home eNodeB bandwidth adaptation method of the embodiment of the invention; Type according to business is put into different priority queries with packet; Packet in the high-priority queue is forwarded earlier, is forwarded behind the packet in the Low Priority Queuing.
Another further aspect according to a kind of Home eNodeB bandwidth adaptation method of the embodiment of the invention; When said communicate status information satisfies preset condition; The business of low priority user switched said Home eNodeB; The business of high-priority users is kept further comprising; When communications status when being congested; The non-key business of low priority user is switched to macrocellular or other Home eNodeB, keep all business of high-priority users.
Another further aspect according to a kind of Home eNodeB bandwidth adaptation method of the embodiment of the invention; When communications status is recoverable congested communications status; Reduce the speed of the non-key business of low priority user, keep all professional speed of high-priority users.
The embodiment of the invention also provides a kind of Home eNodeB, comprises,
Detecting unit is used for detection and comprises core net and Home eNodeB, the communicate status information between Home eNodeB and the customer mobile terminal;
Congested control unit is judged when said communicate status information satisfies preset condition, controls said switch unit 403 and the business of low priority user is switched said Home eNodeB, and the business of high-priority users is kept.
A further aspect according to the described a kind of Home eNodeB of the embodiment of the invention; Said detecting unit also further comprises; The active detecting module; Passive detection module; Said active detecting module is used for regularly detecting the network service state between core net and the Home eNodeB; Said passive detection module is used to distinguish the uplink and downlink communication process, and to core net and Home eNodeB, the communication process between Home eNodeB and the customer mobile terminal detects.
Pass through the embodiment of the invention; Under the situation of family's base station communication state labile; Can to the user different services be provided according to user's priority, guarantee all communication services of high-priority users, and guarantee the necessary communication service of low priority user.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously; Accompanying drawing in describing below only is some embodiments of the present invention; For those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Shown in Figure 1 is the flow chart of a kind of Home eNodeB bandwidth adaptation of embodiment of the invention method;
The flow chart of in downlink congestion detects, setting up priority query for the embodiment of the invention shown in Figure 2;
The flow chart of in uplink congestion detects, setting up priority query for the embodiment of the invention shown in Figure 3;
Shown in Figure 4 is the structural representation of a kind of Home eNodeB of the embodiment of the invention;
Shown in Figure 5 is the structural representation of embodiment of the invention active detecting module;
The structural representation of the passive detection module of the embodiment of the invention shown in Figure 6;
Shown in Figure 7 is the structural representation of embodiment of the invention formation parts;
The method flow diagram that carries out the active bandwidth adaptation for embodiment of the invention Home eNodeB shown in Figure 8;
Shown in Figure 9ly carry out the adaptive method flow diagram of passive downlink bandwidth for embodiment of the invention Home eNodeB;
Shown in Figure 10ly carry out the adaptive method flow diagram of passive upstream bandwidth for embodiment of the invention Home eNodeB.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Be illustrated in figure 1 as the flow chart of a kind of Home eNodeB bandwidth adaptation of embodiment of the invention method.
Comprise step 101, Home eNodeB detects and comprises core net and Home eNodeB, the communicate status information between Home eNodeB and the customer mobile terminal.
Said Home eNodeB detects and comprises core net and Home eNodeB; Communicate status information between Home eNodeB and the customer mobile terminal further comprises; Active mode and passive mode; Active mode is for regularly detecting the network service state between core net and the Home eNodeB; Passive mode is for distinguishing the uplink and downlink communication process; To core net and Home eNodeB, the communication process between Home eNodeB and the customer mobile terminal detects;
Wherein said active mode comprises; Detect the communications status between core net and the Home eNodeB; Promptly start cycle timer; At regular intervals at interval; Detect the maximum bandwidth that current home base station network interface can use or the communicate status information of current time delay; For example can use the ping bag to detect available maximum bandwidth and time delay between this Home eNodeB and the core net; When said available maximum bandwidth during less than predetermined bandwidth threshold value or current time delay during greater than the time delay threshold value, then current communications status is congested communications status;
Whether congested said passive mode comprises, respectively the communication process of upstream or downstream is analyzed, obtain communicate status information.
Wherein, said descending communication process analysis comprises, when the packet loss in the communication process or Packet Error Rate surpassed predetermined error thresholds value, then descending communication process was congested communications status; Perhaps when wireless chain control layer (RLC) can't in time be handled received protocol Data Unit (PDU), then descending communication process was congested communications status.
In above-mentioned downlink communication process analysis procedure analysis; The packet of different business can also be put into the formation of different priorities; For example high-priority queue is put in key business; Non-key business is put into Low Priority Queuing; Perhaps all key businesses professional and low priority user of high-priority users can also be put into high-priority queue; The non-key business of low priority user is put into Low Priority Queuing with other business; Home eNodeB is transmitted packet according to the priority of formation; Packet in preferential transmission high-priority queue does not then abandon this packet when the packet in the Low Priority Queuing is forwarded in the time.Through such mode, can be so that key business can not be interrupted, perhaps the business of high-priority users is not interrupted.
Said up communication process analysis comprises; Calculate current average IPTI (Current IPTI); When the IPTI of Current IPTI＞setting; Then up communication process is congested communications status; Wherein, Current IPTI=(∑ Current IPTI)/n, IPTI is the Transmission Time Interval between PDU (protocol Data Unit).
Perhaps, when the socket of uplink floor buffering area (buffer) surpassed predetermined buffer district threshold value, then up communication process was congested communications status;
Perhaps, when the uplink layer can't in time send packet or report mistake, then up communication process was congested communications status; Wherein, After the uplink layer can't in time send packet or report mistake; Can also detect the speed of current available maximum bandwidth and current upstream data bag; When if the speed of current available maximum bandwidth and current upstream data bag maintains an equal level (said maintain an equal level can for example said upstream data bag speed in a preset range greater than current available maximum bandwidth; A said preset range can for maximum bandwidth 2% in), then communications status is recoverable congested communications status; If current available maximum bandwidth is when the speed of current upstream data bag maintains an equal level, then communications status is congested communications status.
In the analysis of above-mentioned uplink communication process; The packet of different business can be put into the formation of different priorities; For example high-priority queue is put in key business; Non-key business is put into Low Priority Queuing; Perhaps all key businesses professional and low priority user of high-priority users can also be put into high-priority queue; The non-key business of low priority user is put into Low Priority Queuing with other business; Home eNodeB is transmitted packet according to the priority of formation; Packet in preferential transmission high-priority queue does not then abandon this packet when the packet in the Low Priority Queuing is forwarded in the time.Through such mode, can guarantee that the business of high-priority users can be guaranteed, the key business of low priority user keeps, and has than higher granularity to guarantee.Wherein, if the user's of low priority low priority traffice is because congested the switching local Home eNodeB, and the data that in the formation of this Home eNodeB, keep will be lost, for little to the less demanding business of QOS (for example voice) influence; QOS is required can inform the position that the DRNC current data is interrupted than higher business (PS territory) SRNC when switching; Retransmit; Above-mentioned re-transmission is through Radio Access Network Application Part (Radio Access Network Application Part; RANAP)+(GPRSTunnellingProtocolfortheuserplane GTP-U) is achieved for the GPRS Tunnel Protocol of user level.
The analysis of above-mentioned uplink communication process is meant that all Home eNodeB arrives the communication process of core-network side, and the analysis of above-mentioned downlink communication process is that the monitoring of user plane reports under the situation of Radio Link deterioration, triggers and switches.
Above-mentioned steps 102; When said communicate status information satisfies preset condition; The business of low priority user switched said Home eNodeB; The business of high-priority users is kept further comprising; When communications status when being congested; The non-key business of low priority user is switched to macrocellular or other Home eNodeB; All business that keep high-priority users; Wherein low priority user is meant external user; For example appear at the user in enterprise's Home eNodeB temporarily; High-priority users is meant internal user, enterprises employee for example, the internal user of in enterprise's Home eNodeB, having registered.
Said nonessential business comprises for example video traffic, data service, business such as Email, and corresponding key business comprises speech business, supports type business etc.; That is to say when in Home eNodeB, congested communications status occurring; Only keep the key business of low priority user; And non-key business is cut out said Home eNodeB, and keep all business of high-priority users, thereby distinguished user gradation different services is provided.
When communications status is recoverable congested communications status; Can reduce the speed of the non-key business of low priority user; Keep all professional speed of high-priority users; Thereby can avoid switching the influence that brings to low priority user, can guarantee the speed that high-priority users is professional simultaneously again.
Be illustrated in figure 2 as the embodiment of the invention and in downlink congestion detects, set up the flow chart of priority query.
Step 208 is sent packet according to the priority orders of formation to mobile communication terminal.
Be illustrated in figure 3 as the embodiment of the invention and in uplink congestion detects, set up the flow chart of priority query.
Comprise step 301, the analysis result of uplink communication state is congested.
Step 302 judges whether timer starts, if start then enter into the report of step 304 reporting uplink traffic congestion, if be not activated timer then get into step 303.
Step 303 starts timer.
Step 304 is reported to RRM reporting uplink traffic congestion.
Step 305 judges that current queue is whether full, if full then report RRM formation situation, otherwise would get into step 306.
Step 306 is carried out priority classification to business data packet, and the packet of different business is divided into different priorities.
Step 308 is carried out length control to formation, reports RRM when queue length then gets into step 309 above threshold values, otherwise get into step 310 information such as quene state in the uplink communication process is stored.
Step 309 reports the RRM formation to exceed reservation threshold.RRM can judge whether needs carry out reduction of speed according to this report information; Can reduce the speed of the non-key business of low priority user; Keep all professional speed of high-priority users; Thereby can avoid switching the influence that brings to low priority user, can guarantee the speed that high-priority users is professional simultaneously again.
Step 310 is stored the information such as quene state in the uplink communication process.So that judging the subsequent data bag, Home eNodeB whether need get into different queue.
Be illustrated in figure 4 as the structural representation of a kind of Home eNodeB of the embodiment of the invention.
Comprise detecting unit 401, congested control unit 402, switch unit 403.
Said detecting unit 401 is used for detection and comprises core net and Home eNodeB, the communicate status information between Home eNodeB and the customer mobile terminal;
Said congested control unit 402 is judged when said communicate status information satisfies preset condition, controls said switch unit 403 and the business of low priority user is switched said Home eNodeB, and the business of high-priority users is kept.
Said detecting unit 401 also further comprises; Active detecting module 4011; Passive detection module 4012; Said active detecting module 4011 is used for regularly detecting the network service state between core net and the Home eNodeB; Said passive detection module 4012 is used to distinguish the uplink and downlink communication process; To core net and Home eNodeB, the communication process between Home eNodeB and the customer mobile terminal detects.
Be illustrated in figure 5 as the structural representation of embodiment of the invention active detecting module.
Said active detecting module 500 further comprises, cycle timer 501, bandwidth detection parts 502, time delay detection parts 503, comparing unit 504, output block 505.
Said cycle timer 501 is connected with time delay detection parts 503 with said bandwidth detection parts 502 respectively, with time delay detection parts 503 clock information is provided to said bandwidth detection parts 502; Said bandwidth detection parts 502 are used to detect the maximum bandwidth that current home base station network interface can be used; Said time delay detection parts 503 are used to detect current time delay; Said comparing unit 504 is connected with time delay detection parts 503 with said bandwidth detection parts 502 respectively; The testing result and the bandwidth threshold value of said bandwidth detection parts 502 are compared; If said available maximum bandwidth is congested communications status less than predetermined bandwidth threshold value then through the current communications status of said output block 505 outputs; Said comparing unit 504 said current time delays are compared with the time delay threshold value; If current time delay greater than the time delay threshold value, is congested communications status through the current communications status of said output block 505 outputs then.
The structural representation of the passive detection module of the embodiment of the invention as shown in Figure 6.
Said passive detection module 600 comprises downlink communication analysis component 601, uplink communication analysis component 602, output block 603, formation parts 604.
Wherein, said downlink communication analysis component 601 further comprises, packet loss detection assembly 6011, RLC detection components 6012.
Said packet loss detection assembly 6011; Be used for detecting the packet loss or the Packet Error Rate of downlink communication process; When packet loss or Packet Error Rate surpass predetermined error thresholds value, be congested communications status to the descending communication process of RRM output through said output block 603;
Said RLC detection components 6012 is used to detect RLC, when RLC can't in time handle received protocol Data Unit (PDU), is congested communications status through said output block 603 to the descending communication process of RRM output then.
Said uplink communication analysis component 602 further comprises, Current IPTI computation module 6021, buffering area detection components 6022, transport layer detection components 6023.
Said Current IPTI computation module 6021 is used to calculate Current IPTI, when the IPTI of Current IPTI＞setting, is congested communications status through said output block 603 to RRM output uplink communication process then;
Said buffering area detection components 6022 is used for the socket buffer of detected transmission layer, when the socket of uplink floor buffer surpasses predetermined buffer district threshold value, is congested communications status through output block 603 to RRM output uplink communication process then;
Said transport layer detection components 6023 is used for the situation that the detected transmission layer sends packet, when the uplink layer can't in time send packet or report mistake, is congested communications status through said output block 603 to RRM output uplink communication process then.
Said formation parts 604; Be used for respectively the packet of downlink communication analysis component 601 and uplink communication analysis component 602 is put into different formations according to type of service different; Packet in the high-priority queue sends earlier, sends behind the packet in the low formation of priority.Wherein, Formation parts 604 as shown in Figure 7; Can comprise queued component 6041; Formation assembly 6042; Timer 6043 and data sending assembly 6044; Said queued component 6041 is put into said formation assembly 6042 with packet according to different service; Formation assembly 6042 comprises 4 formations in this example; Be respectively high-priority queue (HPQ); Medium priority formation (MPQ); Low Priority Queuing (LPQ) and no priority query (NPQ); By all formation assemblies 6042 of timer 6043 polls, and pass through data sending assembly 6044 and send to core net or mobile communication terminal, wherein said data sending assembly 6044 is the transport layer data configuration interface; Can encapsulate the upstream data bag, downlink data packet is carried out decapsulation.
Said active detecting module also can be put into the packet of different service types the formation of different priorities through the formation parts.
Said transport layer detection components 6023 is when preparing to export congested communicate status information; Can obtain Home eNodeB to the bandwidth of core net and the speed of current upstream data bag through the active detecting module; When if the speed of current available maximum bandwidth and current upstream data bag maintains an equal level (said maintain an equal level can for example said upstream data bag speed in a preset range greater than current available maximum bandwidth; A said preset range can for maximum bandwidth 2% in), then communications status is recoverable congested communications status; If current available maximum bandwidth is when the speed of current upstream data bag maintains an equal level, then communications status is congested communications status.
Be illustrated in figure 8 as embodiment of the invention Home eNodeB and carry out the initiatively method flow diagram of bandwidth adaptation.
Step 801, the equal access to family base station of internal user and external user, Home eNodeB provides the multiple business service to internal user and external user.
Step 802, Home eNodeB starts timer, whenever sends bandwidth detection messages (ping bag) at a distance from a scheduled time to gateway (GW) or server, and said bandwidth detection messages comprises current local zone time and unpacked data.
The moment of message received in record after step 803, gateway or server received bandwidth detection messages, and return response message.
Step 804, the bandwidth detection parts of said Home eNodeB utilize the time delay detection parts to detect average delay (RTT) according to the network bandwidth between response message calculation server/GW and the HNB.
Step 805; Comparing unit in the Home eNodeB active monitoring module compares the network bandwidth and average delay and respective doors limit value; When the said network bandwidth less than predetermined bandwidth threshold value, perhaps average delay surpasses predetermined time delay threshold value then to export current communications status through output block to congested control unit is congested communicate status information.
Step 806; The congested control unit of Home eNodeB is according to above-mentioned congested communicate status information; Non-key business with low priority user group (external user); For example email is professional; Data services etc. switch to macrocellular or other Home eNodeB; Keep the key business of low priority user group, for example speech business, supporting business etc.; All business that keep high-priority users group (internal user) simultaneously; Can reduce the switching times of external user like this; Alleviating the influence of switching, and can distinguish the business of different priority users, guarantee all business of internal user outside user's communication.
In above-mentioned steps 801; Home eNodeB can also will come from the different formations of putting into different priorities of the packet of core net or mobile communication terminal (comprising internal user and external user) according to type of service and User Priority; For example the packet of the various types of traffic of internal user is put into high-priority queue; The key business data bag of external user is put into high-priority queue; The non-key business data packet of external user is put into Low Priority Queuing, preferentially transmit the packet in the high-priority queue.
Be illustrated in figure 9 as embodiment of the invention Home eNodeB and carry out the adaptive method flow diagram of passive downlink bandwidth.
Home eNodeB can detect communications status through following dual mode:
Step 902; In the packet loss detection component detection unit interval of the downlink communication analysis component of Home eNodeB; For the packet that receives; Packet loss (wrong bag) rate＞maximum packet loss (wrong bag) rate; Perhaps Que Shi frame number＞maximum frame losing number (MAX_LOSE_NUM); Then get into step 903; Concurrent time aims at; According to mass loss rates value transmitting time aligned frame, be used for increasing the transmission delay of core net encoder (CN TC), time unifying value (Time alignment) step-length n*500 μ s; Wherein n is the step of speed governing; 500 μ s are step-length, and n representes can adjust 1 at every turn; 2; 3 ... N, otherwise get into step 905 normal process.
Step 904 is with current wrong bag number, UE information (sign of UE) and business information (wireless access bearing sign) notifying operation and maintenance centre (part of base station in the prior art).
Step 907 is carried out normal process of the prior art.
In above-mentioned steps, can also PDU be classified according to RAB TrafficPriority/TrafficClass; Speech business is placed into HPQ (high-priority queue, this class is strict preference formation), guarantees the bandwidth that this is professional, and remaining bandwidth can supply other professional uses; All the other business of this TrafficClass are placed into MPQ (medium priority formation).
In above-mentioned steps 901; Home eNodeB can also will come from the different formations of putting into different priorities of the packet of core net or mobile communication terminal (comprising internal user and external user) according to type of service and User Priority; For example the packet of the various types of traffic of internal user is put into high-priority queue; The key business data bag of external user is put into high-priority queue; The non-key business data packet of external user is put into Low Priority Queuing, preferentially transmit the packet in the high-priority queue.
Carry out the adaptive method flow diagram of passive upstream bandwidth for embodiment of the invention Home eNodeB as shown in figure 10.
Home eNodeB can detect communications status through following three kinds of modes:
After above-mentioned steps 1004, can also comprise step 1005, the transport layer detection components can obtain Home eNodeB to the bandwidth of core net and the speed of current upstream data bag through the active detecting module.
In above-mentioned steps 1001; Home eNodeB can also will come from the different formations of putting into different priorities of the packet of core net or mobile communication terminal (comprising internal user and external user) according to type of service and User Priority; For example the packet of the various types of traffic of internal user is put into high-priority queue; The key business data bag of external user is put into high-priority queue; The non-key business data packet of external user is put into Low Priority Queuing, preferentially transmit the packet in the high-priority queue.
Pass through the foregoing description; Can carry out different services to the user of the different priorities of access to family base station according to congested state; Improve user experience; And can avoid the switching of low priority user through the adjustment traffic rate in the time of can repairing congested communications status through judging, thereby avoid owing to switch influence to low priority user.
Above-described embodiment; The object of the invention, technical scheme and beneficial effect have been carried out further explain; Institute is understood that; The above only is the specific embodiment of the present invention; And be not used in qualification protection scope of the present invention; All within spirit of the present invention and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a Home eNodeB bandwidth adaptation method is characterized in that comprising,
Home eNodeB detects and comprises core net and Home eNodeB, the communicate status information between Home eNodeB and the customer mobile terminal;
When said communicate status information satisfies preset condition, the business of low priority user switched said Home eNodeB, the business of high-priority users is kept.
2. a kind of Home eNodeB bandwidth adaptation method according to claim 1; It is characterized in that; Home eNodeB detects and comprises core net and Home eNodeB; Communicate status information between Home eNodeB and the customer mobile terminal further comprises; Regularly detect the network service state between core net and the Home eNodeB through active mode; Distinguish the uplink and downlink communication process through passive mode, to core net and Home eNodeB, the communication process between Home eNodeB and the customer mobile terminal detects.
3. a kind of Home eNodeB bandwidth adaptation method according to claim 2; It is characterized in that; Said active mode comprises; Detect the communications status between core net and the Home eNodeB; At regular intervals at interval; Detect the maximum bandwidth that current home base station network interface can use or the communicate status information of current time delay, when said available maximum bandwidth during less than predetermined bandwidth threshold value or current time delay during greater than the time delay threshold value, then current communications status is congested communications status.
4. whether congested a kind of Home eNodeB bandwidth adaptation method according to claim 2 is characterized in that said passive mode comprises that the communication process of upstream or downstream is analyzed, obtain communicate status information;
Wherein, the downlink communication process analysis procedure analysis comprises, when the packet loss in the communication process or Packet Error Rate surpassed predetermined error thresholds value, then the downlink communication process was congested communications status;
Perhaps, when wireless chain control layer (RLC) can't in time be handled received protocol Data Unit (PDU), then the downlink communication process was congested communications status;
The uplink communication process analysis procedure analysis comprises, calculates current IP TI, and when the IPTI of current IP TI＞setting, then the uplink communication process is congested communications status;
Perhaps, when the socket of uplink floor buffering area surpassed predetermined buffer district threshold value, then the uplink communication process was congested communications status;
Perhaps, when the uplink layer can't in time send packet or report mistake, then up communication process was congested communications status.
5. a kind of Home eNodeB bandwidth adaptation method according to claim 4; It is characterized in that; After the uplink layer can't in time send packet or report mistake; Can also detect the speed of current available maximum bandwidth and current upstream data bag; If when the speed of current available maximum bandwidth and current upstream data bag maintained an equal level, then the uplink communication process was recoverable congested communications status; If current available maximum bandwidth is when the speed of current upstream data bag maintains an equal level, then the uplink communication process is congested communications status.
6. a kind of Home eNodeB bandwidth adaptation method according to claim 5; It is characterized in that; Type according to business is put into different priority queries with packet, and the packet in the high-priority queue is forwarded earlier, is forwarded behind the packet in the Low Priority Queuing.
7. a kind of Home eNodeB bandwidth adaptation method according to claim 6; It is characterized in that; When said communicate status information satisfies preset condition; The business of low priority user switched said Home eNodeB; The business of high-priority users is kept further comprising; When communications status when being congested, the non-key business of low priority user is switched to macrocellular or other Home eNodeB, keep all business of high-priority users.
8. a kind of Home eNodeB bandwidth adaptation method according to claim 7 is characterized in that, when communications status is recoverable congested communications status, reduces the speed of the non-key business of low priority user, keeps all professional speed of high-priority users.
9. a Home eNodeB is characterized in that comprising,
Detecting unit is used for detection and comprises core net and Home eNodeB, the communicate status information between Home eNodeB and the customer mobile terminal;
Congested control unit is judged when said communicate status information satisfies preset condition, and the control switch unit switches the business of low priority user and goes out said Home eNodeB, and the business of high-priority users is kept.
10. a kind of Home eNodeB according to claim 9; It is characterized in that; Said detecting unit also further comprises; The active detecting module; Passive detection module, said active detecting module are used for regularly detecting the network service state between core net and the Home eNodeB, and said passive detection module is used to distinguish the uplink and downlink communication process; To core net and Home eNodeB, the communication process between Home eNodeB and the customer mobile terminal detects.
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