CN102612068A - LTE (long term evolution) system performance determining method and LTE system performance determining system - Google Patents
LTE (long term evolution) system performance determining method and LTE system performance determining system Download PDFInfo
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Abstract
The invention discloses an LTE (long term evolution) system performance determining method and an LTE system performance determining system. The LTE system performance determining method includes: determining configuration parameter combination corresponding to current ground feature types according to preset corresponding relation between the ground feature types and the configuration parameter combination, and initializing the determined configuration parameter combination; executing the following operations to each subframe of each radio frame in the LET system: updating positions of all users and corresponding timers in the LTE system according to the initialized configuration parameter combination; executing downlink evaluation procedures when the current subframe is a downlink subframe and a downlink is evaluate currently; and executing uplink evaluation procedures when the current subframe is an uplink subframe and an uplink is evaluated currently.
Description
Technical field
The present invention relates to the communications field, relate in particular to the method and system of a kind of definite LTE (Long Term Evolution, Long Term Evolution) systematic function.
Background technology
At present; When assessment LTE systematic function; Basically all be to adopt the method for system emulation modeling that each network element in the wireless communication system and system environments are set up corresponding model, and through this model is carried out the assessment that simulation test is accomplished each item performance index in the network.At present; Because the content of parameter that different network elements or system environments are paid close attention to is also inequality; Therefore, set up the model that adapts with each network element, system environments, more typically assess modeling at present and can represent through flow process shown in Figure 1 to different network elements or system environments; This flow process may further comprise the steps 101～step 117, wherein to the equal execution in step 102～step 115 of all subframes in each radio frames:
The pilot measurement and the switching of step 104, the current subframe of processing.
The time domain channel of all dispatched users in step 110, the current subframe of generation.
Can know that through above-mentioned flow process assessment modeling of the prior art only is applicable to system environments or the network element that some is specific, but inapplicable for other network element or system environments, therefore, the applicability of existing assessment modeling is relatively poor; On the other hand, can't combine the type of subframe and current assessment link to carry out corresponding estimation flow in the existing assessment modeling, therefore, accuracy is relatively poor.
Summary of the invention
The embodiment of the invention provides a kind of method and system of definite LTE systematic function, to improve accuracy that the LTE systematic function is assessed and comprehensive.
A kind of method of definite Long Term Evolution LTE systematic function comprises:
According to type of ground objects that is provided with in advance and configuration parameter combination, determine the pairing configuration parameter combination of current type of ground objects, and configuration parameter combination the carrying out initialization to determining;
To each subframe in each radio frames in the LTE system, carry out following operation:
According to the combination of the configuration parameter after the initialization all users' in the LTE system position is upgraded with corresponding timer;
When current subframe is descending sub frame and current assessment down link, carry out the descending estimation flow that is provided with; When current subframe is sub-frame of uplink and current assessment up link, carry out the up estimation flow that is provided with.
Preferably, above-mentioned flow process also can may further comprise the steps: current subframe is a descending sub frame, and during current assessment up link, following operation is carried out in each sub-district that current subframe comprises:
To current area, measure the detection reference symbol SRS of current area, and the SRS of current area is upgraded according to the SRS that measures;
Current area is carried out the uplink cells scheduling; And corresponding scheduling result is deposited in the buffer; And; When scheduled user's in the said current area physical downlink control channel PDCCH channel needs assessment, this scheduled user's PDCCH channel is carried out channel tag, and record scheduled user's scheduling comes into force constantly.
Preferably, said descending estimation flow may further comprise the steps:
Each user in the said LTE system is carried out datum plane to be handled;
Descending scheduling is carried out in each sub-district to current subframe comprises;
To each user in the said LTE system, when this user has channel to be set and during this channel of current needs assessment, for this user generates corresponding time domain channel;
The corresponding control channel of each user in the said LTE system is detected.
Preferably, each user in the said LTE system is carried out datum plane handles, comprising:
Combination generates the high level data corresponding with the active user according to the configuration parameter determined, if when the channel quality indicator CQI updated time of current subframe arrives, carries out corresponding C QI renewal and operates;
Automatic repeat requests HARQ handles to said active user's mixing;
If during current needs assessment Physical HARQ Indicator Channel PHICH channel, this PHICH channel is carried out mark;
If when current subframe is Physical Broadcast Channel PBCH subframe, corresponding PBCH channel is carried out mark.
Preferably, the corresponding control channel of each user in the said LTE system is detected, comprising:
If active user's control channel is labeled, and during this control channel of current needs assessment, this control channel is detected and receives;
Downlink traffic channel to said active user detects, and according to testing result corresponding physical uplink control channel PUCCH transmission timer and ACK/NACK state timer is set.
Preferably, said control channel is PDCCH, PHICH, PBCH or CRS.
Preferably, said up estimation flow may further comprise the steps:
Each user in the LTE system is carried out datum plane processing, power control and generates the time domain channel of each user to its all adjacent areas;
Each user in the said LTE system is carried out Traffic Channel to be detected and the control channel detection.
Preferably, saidly each user in the LTE system carried out datum plane handle, comprising:
To the active user, this current user's rapid fading information is upgraded, and generated the high level data corresponding with this current user according to the configuration parameter combination of determining;
Judge whether current subframe is the PUCCH delivery time,, otherwise carry out following steps A if then carry out the set of PUCCH channel tag;
Steps A, judge whether current subframe is the SRS report cycle,, otherwise carry out following steps B if then carry out set of SRS channel and SRS resource allocation;
When step B, the user when said active user is the arrival of HARQ state feedback timer, the HARQ process is upgraded according to HARQ state feedback timer; And, when said user is the user of scheduling arrival constantly, send the PUSCH data.
Preferably, each user in the said LTE system is carried out Traffic Channel detects, comprising:
The active user is carried out uplink service to be detected;
The active user is carried out the PUSCH traffic channel data receive, and said active user's PHICH feedback timer and HARQ state feedback timer upgraded.
Preferably, each user in the said LTE system is carried out control channel detects, comprising:
Whether the PUCCH channel of judging the active user is set, if then carry out following steps A1, otherwise execution in step A2;
Steps A 1, judge the current whether said active user's of needs assessment PUCCH channel,, otherwise HARQ state feedback timer is revised if then carry out the PUCCH input;
Steps A 2, judge whether the active user is SRS report cycle user,, otherwise carry out following steps B2 if then carry out following steps B1;
Step B1, carry out the SRS input, and execution in step B2;
Step B2, the figuration that carries out the active user calculate, and upgrade timer.
A kind of system of definite Long Term Evolution LTE systematic function comprises:
The parameter initialization unit is used for according to type of ground objects that is provided with in advance and configuration parameter combination, determines the pairing configuration parameter combination of current type of ground objects, and configuration parameter combination the carrying out initialization to determining;
The system evaluation unit is used for starting updating block and assessment unit to each subframe in each radio frames of LTE system;
Updating block is used for according to the combination of the configuration parameter after the initialization all users' of LTE system position being upgraded with corresponding timer;
Assessment unit is used for when current subframe is descending sub frame and current assessment down link, carries out the descending estimation flow that is provided with; When current subframe is sub-frame of uplink and current assessment up link, carry out the up estimation flow that is provided with.
Preferably, said assessment unit is further used for, and is descending sub frame in current subframe, and during current assessment up link, following operation is carried out in each sub-district that current subframe comprises:
To current area, measure the detection reference symbol SRS of current area, and the SRS of current area is upgraded according to the SRS that measures;
Current area is carried out the uplink cells scheduling; And corresponding scheduling result is deposited in the buffer; And; When scheduled user's in the said current area physical downlink control channel PDCCH channel needs assessment, this scheduled user's PDCCH channel is carried out channel tag, and record scheduled user's scheduling comes into force constantly.
Preferably, said assessment unit is carried out descending estimation flow, specifically is used for:
Each user in the said LTE system is carried out datum plane to be handled;
Descending scheduling is carried out in each sub-district to current subframe comprises;
To every each user in the said LTE system, when this user has channel to be set and during this channel of current needs assessment, for this user generates corresponding time domain channel;
The corresponding control channel of each user in the said LTE system is detected.
Preferably, said assessment unit carries out datum plane to each user in the said LTE system to be handled, and specifically is used for:
Combination generates the high level data corresponding with the active user according to the configuration parameter determined, if when the channel quality indicator CQI updated time of current subframe arrives, carries out corresponding C QI renewal and operates;
Automatic repeat requests HARQ handles to said active user's mixing;
If during current needs assessment Physical HARQ Indicator Channel PHICH channel, this PHICH channel is carried out mark;
If when current subframe is Physical Broadcast Channel PBCH subframe, corresponding PBCH channel is carried out mark.
Preferably, said assessment unit detects the corresponding control channel of each user in the said LTE system, specifically is used for:
If active user's control channel is labeled, and during this control channel of current needs assessment, this control channel is detected and receives;
Downlink traffic channel to said active user detects, and according to testing result corresponding physical uplink control channel PUCCH transmission timer and ACK/NACK state timer is set.
Preferably, said control channel is PDCCH, PHICH, PBCH or CRS.
Preferably, said assessment unit is carried out descending estimation flow, specifically is used for:
Each user in the LTE system is carried out datum plane processing, power control and generates the time domain channel of each user to its all adjacent areas;
Each user in the said LTE system is carried out Traffic Channel to be detected and the control channel detection.
Preferably, said assessment unit carries out datum plane to each user in the LTE system to be handled, and specifically is used for:
To the active user, this current user's rapid fading information is upgraded, and generated the high level data corresponding with this current user according to the configuration parameter combination of determining;
Judge whether current subframe is the PUCCH delivery time,, otherwise carry out following steps A if then carry out the set of PUCCH channel tag;
Steps A, judge whether current subframe is the SRS report cycle,, otherwise carry out following steps B if then carry out set of SRS channel and SRS resource allocation;
When step B, the user when said active user is the arrival of HARQ state feedback timer, the HARQ process is upgraded according to HARQ state feedback timer; And, when said user is the user of scheduling arrival constantly, send the PUSCH data.
Preferably, said assessment unit carries out Traffic Channel to each user in the said LTE system and detects, and comprising:
The active user is carried out uplink service to be detected;
The active user is carried out the PUSCH traffic channel data receive, and said active user's PHICH feedback timer and HARQ state feedback timer upgraded.
Preferably, said assessment unit carries out control channel to each user in the said LTE system and detects, and specifically is used for:
Whether the PUCCH channel of judging the active user is set, if then carry out following steps A1, otherwise execution in step A2;
Steps A 1, judge the current whether said active user's of needs assessment PUCCH channel,, otherwise HARQ state feedback timer is revised if then carry out the PUCCH input;
Steps A 2, judge whether the active user is SRS report cycle user,, otherwise carry out following steps B2 if then carry out following steps B1;
Step B1, carry out the SRS input, and execution in step B2;
Step B2, the figuration that carries out the active user calculate, and upgrade timer.
In the embodiment of the invention; On the one hand; Owing to be provided with the corresponding relation of a type of ground objects and configuration parameter combination in advance, when needs carry out the assessment of LTE systematic function to current type of ground objects, can carry out initialization to current type of ground objects configuration parameter corresponding combination; Therefore, adopt technical scheme of the present invention, can make up to the configuration parameter that the type of ground objects setting adapts; Therefore, the LTE systematic function that assessment obtains more meets actual type of ground objects, and is more accurate; And can assess to all types of ground objects, so applicability is stronger; On the other hand, when current subframe is descending sub frame and current assessment down link, carry out the descending estimation flow that is provided with; When current subframe is sub-frame of uplink and current assessment up link, carry out the up estimation flow that is provided with; Therefore; Adopt technical scheme of the present invention; Can combine the type of current subframe and the link of current needs assessment to choose the estimation flow that adapts, more targeted, more accurate to the systematic function assessment of this current subframe; Thereby improve the accuracy of the systematic function assessment of radio frames and comprehensive, improve accuracy that whole LTE systematic function is assessed and comprehensive then.
Description of drawings
Fig. 1 is the method flow diagram of assessment LTE systematic function in the prior art;
Fig. 2 is the method flow diagram of assessment LTE systematic function in the embodiment of the invention one;
Fig. 3 is the method flow diagram of assessment LTE systematic function in the embodiment of the invention two;
Fig. 4 A is the sketch map of descending estimation flow in the embodiment of the invention;
Fig. 4 B is in the embodiment of the invention in the descending estimation flow, and each user in the said LTE system is carried out the method flow diagram that datum plane is handled;
Fig. 4 C is in the embodiment of the invention in the descending estimation flow, the method flow diagram that the corresponding control channel of each user in the said LTE system is detected;
Fig. 4 D is in the embodiment of the invention in the descending estimation flow, to the method flow diagram of the detection and the reception of PDCCH channel;
Fig. 4 E is in the embodiment of the invention in the descending estimation flow, to the method flow diagram of the detection and the reception of PHICH channel;
Fig. 4 F is in the embodiment of the invention in the descending estimation flow, to the method flow diagram of the detection and the reception of PBCH channel;
Fig. 5 A is the sketch map of up estimation flow in the embodiment of the invention;
Fig. 5 B is in the embodiment of the invention in the up estimation flow, and each user in the LTE system is carried out the method flow diagram that datum plane is handled;
Fig. 5 C is in the embodiment of the invention in the up estimation flow, and each user in the said LTE system is carried out the method flow diagram that Traffic Channel detects;
Fig. 5 D is in the embodiment of the invention in the up estimation flow, and each user in the said LTE system is carried out the method flow diagram that control channel detects;
Fig. 6 is a structural representation of confirming the system of LTE systematic function in the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of method and system of definite LTE systematic function, to improve accuracy that the LTE systematic function is assessed and comprehensive.The method of confirming the LTE systematic function is following: according to type of ground objects that is provided with in advance and configuration parameter combination, determine the pairing configuration parameter combination of current type of ground objects, and configuration parameter combination the carrying out initialization to determining; To each subframe in each radio frames in the LTE system, carry out following operation: all users' in the LTE system position is upgraded with corresponding timer according to the combination of the configuration parameter after the initialization; When current subframe is descending sub frame and current assessment down link, carry out the descending estimation flow that is provided with; When current subframe is sub-frame of uplink and current assessment up link, carry out the up estimation flow that is provided with.
Initialized process mainly comprises following content in the embodiment of the invention: the initialization of information such as business model initialization, the relevant initialization of mobility model, the initialization of radio frequency relevant parameter, the relevant initialization of RRM algorithm, the relevant initialization of datum plane, the relevant initialization of scheduling, the relevant initialization of channel model, the relevant initialization of transmission mode and detection etc.In the embodiment of the invention, the stored in form that each item index all can data form forms one or more sets configuration parameters combinations, accomplished different types of ground objects under the system modelling parameter information; Data form can be provided with according to demand flexibly, as can tables of data, readable mode of going into to read such as text or database operates.The corresponding relation of type of ground objects that is provided with in advance and configuration parameter combination, can be as shown in the table:
For LTE system frame structure type 2; The radio frames of each 10ms is divided into the field of 2 5ms, and the field of each 5ms is divided into the subframe of 5 1ms again, and wherein each subframe is divided into the structure of time slot of 2 0.5ms again; Therefore, a radio frames is equivalent to be divided into 10 sub-frame; In the embodiment of the invention; In order more comprehensively to understand the concrete operations of each subframe in the radio frames; To improve the comprehensive and accuracy that radio frames is assessed; Then to the accuracy of the assessment of whole LTE systematic function and comprehensive, also need handle, to obtain the assessment data of each subframe to each subframe in each radio frames.
Below in conjunction with Figure of description technical scheme of the present invention is carried out detailed description.
Referring to Fig. 2, be the method flow diagram of assessment LTE systematic function in the embodiment of the invention, 201～step 203 that the method comprising the steps of, wherein all carry out following steps 202～step 203 to each subframe in each radio frames:
The corresponding relation of type of ground objects that step 201, basis are provided with in advance and configuration parameter combination is determined the pairing configuration parameter combination of current type of ground objects, and configuration parameter combination the carrying out initialization to determining.
In the step 202, user's position upgraded comprise: upgrade information such as customer location, translational speed and moving direction, to guarantee that the user inserts the back and in network topology structure, moves.
In the flow process as shown in Figure 2, after all radio frames are handled, carry out the statistics output of each item performance index; And each entity such as release data plane.In above-mentioned steps 202～step 203, before each user is handled, need judge also whether this user is new user, if new user then also need carry out initialization and admittance process to this user.
In the step 203 in the said method flow process, also can may further comprise the steps, as shown in Figure 3:
Current subframe is a descending sub frame, and during current assessment up link, following operation is carried out in each sub-district that current subframe comprises:
To current area, measure the SRS (Sounding Reference Symbol surveys reference symbol) of current area, and the SRS of current area is upgraded according to the SRS that measures;
Current area is carried out the uplink cells scheduling; And corresponding scheduling result is deposited in the buffer; And, during scheduled user's PDCCH in said current area (Physical Downlink Control CHannel, Physical Downlink Control Channel) channel needs assessment; PDCCH channel to this scheduled user carries out channel tag, and record scheduled user's scheduling comes into force constantly.
In the embodiment of the invention, descending estimation flow can may further comprise the steps shown in Fig. 4 A:
Descending scheduling is carried out in step 402, each sub-district that current subframe is comprised.
Step 401 in the said method flow process specifically can comprise following substep, shown in Fig. 4 B:
Step 404 in the said method flow process specifically can comprise following substep, shown in Fig. 4 C:
In the embodiment of the invention, active user's control channel can be PDCCH, PHICH, PBCH or CRS.When control channel is PDCCH, to the detection of PDCCH channel with receive and can shown in Fig. 4 D, comprise:
Step 4d1, judge whether said PDCCH channel is set, if execution in step 4d2 then, otherwise continue to judge whether next control channel of active user is set.
Step 4d2, current whether need the assessment to said PDCCH channel, if execution in step 4d3 then, otherwise continue to judge whether next control channel of active user is set.
Step 4d3, carry out the PDCCH input.
Step 4d4, reception PDCCH channel.
When control channel is the PHICH channel, to the detection of PHICH channel with receive and can shown in Fig. 4 E, comprise:
Step 4e1, judge whether said PHICH channel is set, if execution in step 4e2 then, otherwise continue to judge whether next control channel of active user is set.
Step 4e2, current whether need the assessment to said PHICH channel, if execution in step 4e3 then, otherwise continue to judge whether next control channel of active user is set.
Step 4e3, carry out the PHICH input.
Step 4e4, reception PHICH channel.
When control channel is the PBCH channel, to the detection of PBCH channel with receive and can shown in Fig. 4 F, comprise:
Step 4f1, judge whether said PBCH channel is set, if execution in step 4f2 then, otherwise continue to judge whether next control channel of active user is set.
Step 4f2, current whether need the assessment to said PBCH channel, if execution in step 4f3 then, otherwise continue to judge whether next control channel of active user is set.
Step 4f3, carry out the PBCH input.
Step 4f4, reception PBCH channel.
In the embodiment of the invention, up estimation flow may further comprise the steps, shown in Fig. 5 A:
In the said method flow process, in the step 501 every each user in the LTE system is carried out datum plane and handle, specifically can comprise following substep, shown in Fig. 5 B:
Step 501a, to the active user, this current user's rapid fading information is upgraded.
The configuration parameter combination that step 501b, basis are determined generates the high level data corresponding with this current user.
Step 501c, judge whether current subframe is the PUCCH delivery time, if execution in step 501d then, otherwise execution in step 501e.
Step 501d, carry out the set of PUCCH channel tag.
Step 501e, judge whether current subframe is the SRS report cycle, if execution in step 501f then, otherwise execution in step 501g.
Step 501f, carry out set of SRS channel and SRS resource allocation.
When step 501g, the user when said active user is the arrival of HARQ state feedback timer, the HARQ process is upgraded according to HARQ state feedback timer; And, when said user is the user of scheduling arrival constantly, send PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel) data.
In the step 502 of said method flow process, each user in the said LTE system is carried out Traffic Channel detect and specifically comprise following substep, shown in Fig. 5 C:
Step 502c1, the active user is carried out uplink service detect.
Step 502c2, the active user is carried out the PUSCH traffic channel data receive, and said active user's PHICH feedback timer and HARQ state feedback timer upgraded.
In the step 502 in the said method flow process, each user in the said LTE system is carried out control channel detect, comprise following substep, shown in Fig. 5 D:
Step 502d1, judge whether active user's PUCCH channel is set, if execution in step 502d2 then, otherwise execution in step 502d5.
Step 502d2, judge the current whether said active user's of needs assessment PUCCH channel, if execution in step 502d3 then, otherwise execution in step 502d4.
Step 502d3, carry out the PUCCH input.
Step 502d4, HARQ state feedback timer is revised.
Step 502d5, judge whether the active user is SRS report cycle user, if execution in step 502d6 then, otherwise execution in step 502d7.
Step 502d6, carry out the SRS input, and execution in step 502d7.
Step 502d7, the figuration that carries out the active user calculate, and upgrade relevant timer, and relevant here timer is meant up CQI timer (being also referred to as the ascending pilot frequency timer).
Based on the preceding method flow process, the embodiment of the invention also provides a kind of system of definite LTE systematic function, and the structure of this system is as shown in Figure 6, comprising:
Updating block 63 is used for according to the combination of the configuration parameter after the initialization all users' of LTE system position being upgraded with corresponding timer;
Preferably, assessment unit 64 is further used for, and is descending sub frame in current subframe, and during current assessment up link, following operation is carried out in each sub-district that current subframe comprises:
To current area, measure the SRS of current area, and upgrade according to the SRS of measurement result to current area;
Current area is carried out the uplink cells scheduling; And corresponding scheduling result is deposited in the buffer; And; When scheduled user's in the said current area PDCCH channel needs assessment, this scheduled user's PDCCH channel is carried out channel tag, and record scheduled user's scheduling comes into force constantly.
Preferably, assessment unit 64 is carried out descending estimation flow, specifically is used for:
Each user in the said LTE system is carried out datum plane to be handled;
Descending scheduling is carried out in each sub-district to current subframe comprises;
To each user in the said LTE system, when this user has channel to be set and during this channel of current needs assessment, for this user generates corresponding time domain channel;
The corresponding control channel of each user in the said LTE system is detected.
Preferably, each user in the said LTE of 64 pairs of the assessment units system carries out datum plane and handles, and specifically is used for:
Combination generates the high level data corresponding with the active user according to the configuration parameter determined, if when the CQI updated time of current subframe arrives, carries out corresponding C QI renewal and operates;
HARQ to said active user handles;
If during current needs assessment PHICH channel, this PHICH channel is carried out mark;
If when current subframe is the PBCH subframe, corresponding PBCH channel is carried out mark.
Preferably, the corresponding control channel of each user detects in the said LTE of 64 pairs of the assessment units system, specifically is used for:
If active user's control channel is labeled, and during this control channel of current needs assessment, this control channel is detected and receives;
Downlink traffic channel to said active user detects, and according to testing result corresponding PUCCH transmission timer and HARQ state feedback timer is set.
Preferably, control channel is PDCCH, PHICH, PBCH or CRS.
Preferably, assessment unit 64 is carried out up estimation flow, specifically is used for:
Each user in the LTE system is carried out datum plane processing, power control and generates the time domain channel of each user to its all adjacent areas;
Each user in the said LTE system is carried out Traffic Channel to be detected and the control channel detection.
Preferably, each user in 64 pairs of LTE systems of assessment unit carries out datum plane and handles, and specifically is used for:
To the active user, this current user's rapid fading information is upgraded, and generated the high level data corresponding with this current user according to the configuration parameter combination of determining;
Judge whether current subframe is the PUCCH delivery time,, otherwise carry out following steps A if then carry out the set of PUCCH channel tag;
Steps A, judge whether current subframe is the SRS report cycle,, otherwise carry out following steps B if then carry out set of SRS channel and SRS resource allocation;
When step B, the user when said active user is the arrival of HARQ state feedback timer, the HARQ process is upgraded according to HARQ state feedback timer; And, when said user is the user of scheduling arrival constantly, send the PUSCH data.
Preferably, each user in the said LTE of 64 pairs of the assessment units system carries out Traffic Channel and detects, and comprising:
The active user is carried out uplink service to be detected;
The active user is carried out the PUSCH traffic channel data receive, and said active user's PHICH feedback timer and HARQ state feedback timer upgraded.
Preferably, each user in the said LTE of 64 pairs of the assessment units system carries out control channel and detects, and specifically is used for:
Whether the PUCCH channel of judging the active user is set, if then carry out following steps A1, otherwise execution in step A2;
Steps A 1, judge the current whether said active user's of needs assessment PUCCH channel,, otherwise HARQ state feedback timer is revised if then carry out the PUCCH input;
Steps A 2, judge whether the active user is SRS report cycle user,, otherwise carry out following steps B2 if then carry out following steps B1;
Step B1, carry out the SRS input, and execution in step B2;
Step B2, the figuration that carries out the active user calculate, and upgrade relevant timer.
In the embodiment of the invention; On the one hand; Owing to be provided with the corresponding relation of each type of ground objects and configuration parameter combination in advance, when needs carry out the assessment of LTE systematic function to current type of ground objects, can carry out initialization to current type of ground objects configuration parameter corresponding combination; Therefore, adopt technical scheme of the present invention, can make up to the configuration parameter that the type of ground objects setting adapts; Therefore, the LTE systematic function that assessment obtains more meets actual type of ground objects, and is more accurate; And can assess to all types of ground objects, so applicability is stronger; On the other hand, when current subframe is descending sub frame and current assessment down link, carry out the descending estimation flow that is provided with; When current subframe is sub-frame of uplink and current assessment up link, carry out the up estimation flow that is provided with; Therefore; Adopt technical scheme of the present invention; Can combine the type of current subframe and the link of current needs assessment to choose the estimation flow that adapts, more targeted, more accurate to the systematic function assessment of this current subframe; Thereby improve the accuracy of the systematic function assessment of radio frames and comprehensive, improve accuracy that whole LTE systematic function is assessed and comprehensive then.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (20)
1. the method for a definite Long Term Evolution LTE systematic function is characterized in that, comprising:
According to the corresponding relation of type of ground objects that is provided with in advance and configuration parameter combination, determine the pairing configuration parameter combination of current type of ground objects, and configuration parameter combination the carrying out initialization to determining;
To each subframe in each radio frames in the LTE system, carry out following operation:
According to the combination of the configuration parameter after the initialization all users' in the LTE system position is upgraded with corresponding timer;
When current subframe is descending sub frame and current assessment down link, carry out the descending estimation flow that is provided with; When current subframe is sub-frame of uplink and current assessment up link, carry out the up estimation flow that is provided with.
2. the method for claim 1 is characterized in that, also comprises:
Current subframe is a descending sub frame, and during current assessment up link, following operation is carried out in each sub-district that current subframe comprises:
To current area, measure the detection reference symbol SRS of current area, and the SRS of current area is upgraded according to the SRS that measures;
Current area is carried out the uplink cells scheduling; And corresponding scheduling result is deposited in the buffer; And; When scheduled user's in the said current area physical downlink control channel PDCCH channel needs assessment, this scheduled user's PDCCH channel is carried out channel tag, and record scheduled user's scheduling comes into force constantly.
3. the method for claim 1 is characterized in that, said descending estimation flow may further comprise the steps:
Each user in the said LTE system is carried out datum plane to be handled;
Descending scheduling is carried out in each sub-district to current subframe comprises;
To each user in the said LTE system, when this user has channel to be set and during this channel of current needs assessment, for this user generates corresponding time domain channel;
The corresponding control channel of each user in the said LTE system is detected.
4. method as claimed in claim 3 is characterized in that, each user in the said LTE system is carried out datum plane handle, and comprising:
Combination generates the high level data corresponding with the active user according to the configuration parameter determined, if when the channel quality indicator CQI updated time of current subframe arrives, carries out corresponding C QI renewal and operates;
Automatic repeat requests HARQ handles to said active user's mixing;
If during current needs assessment Physical HARQ Indicator Channel PHICH channel, this PHICH channel is carried out mark;
If when current subframe is Physical Broadcast Channel PBCH subframe, corresponding PBCH channel is carried out mark.
5. method as claimed in claim 3 is characterized in that, the corresponding control channel of each user in the said LTE system is detected, and comprising:
If active user's control channel is labeled, and during this control channel of current needs assessment, this control channel is detected and receives;
Downlink traffic channel to said active user detects, and according to testing result corresponding physical uplink control channel PUCCH transmission timer and ACK/NACK state timer is set.
6. method as claimed in claim 5 is characterized in that, said control channel is PDCCH, PHICH, PBCH or CRS.
7. the method for claim 1 is characterized in that, said up estimation flow may further comprise the steps:
Each user in the LTE system is carried out datum plane processing, power control and generates the time domain channel of each user to its all adjacent areas;
Each user in the said LTE system is carried out Traffic Channel to be detected and the control channel detection.
8. method as claimed in claim 7 is characterized in that, saidly each user in the LTE system is carried out datum plane handles, and comprising:
To the active user, this current user's rapid fading information is upgraded, and generated the high level data corresponding with this current user according to the configuration parameter combination of determining;
Judge whether current subframe is the PUCCH delivery time,, otherwise carry out following steps A if then carry out the set of PUCCH channel tag;
Steps A, judge whether current subframe is the SRS report cycle,, otherwise carry out following steps B if then carry out set of SRS channel and SRS resource allocation;
When step B, the user when said active user is the arrival of HARQ state feedback timer, the HARQ process is upgraded according to HARQ state feedback timer; And, when said user is the user of scheduling arrival constantly, send the PUSCH data.
9. method as claimed in claim 7 is characterized in that, each user in the said LTE system is carried out Traffic Channel detect, and comprising:
The active user is carried out uplink service to be detected;
The active user is carried out the PUSCH traffic channel data receive, and said active user's PHICH feedback timer and HARQ state feedback timer upgraded.
10. method as claimed in claim 7 is characterized in that, each user in the said LTE system is carried out control channel detect, and comprising:
Whether the PUCCH channel of judging the active user is set, if then carry out following steps A1, otherwise execution in step A2;
Steps A 1, judge the current whether said active user's of needs assessment PUCCH channel,, otherwise HARQ state feedback timer is revised if then carry out the PUCCH input;
Steps A 2, judge whether the active user is SRS report cycle user,, otherwise carry out following steps B2 if then carry out following steps B1;
Step B1, carry out the SRS input, and execution in step B2;
Step B2, the figuration that carries out the active user calculate, and upgrade timer.
11. the system of a definite Long Term Evolution LTE systematic function is characterized in that, comprising:
The parameter initialization unit is used for the corresponding relation according to type of ground objects that is provided with in advance and configuration parameter combination, determines the pairing configuration parameter combination of current type of ground objects, and configuration parameter combination the carrying out initialization to determining;
The system evaluation unit is used for starting updating block and assessment unit to each subframe in each radio frames of LTE system;
Updating block is used for according to the combination of the configuration parameter after the initialization all users' of LTE system position being upgraded with corresponding timer;
Assessment unit is used for when current subframe is descending sub frame and current assessment down link, carries out the descending estimation flow that is provided with; When current subframe is sub-frame of uplink and current assessment up link, carry out the up estimation flow that is provided with.
12. system as claimed in claim 11 is characterized in that, said assessment unit is further used for, and is descending sub frame in current subframe, and during current assessment up link, following operation is carried out in each sub-district that current subframe comprises:
To current area, measure the detection reference symbol SRS of current area, and the SRS of current area is upgraded according to the SRS that measures;
Current area is carried out the uplink cells scheduling; And corresponding scheduling result is deposited in the buffer; And; When scheduled user's in the said current area physical downlink control channel PDCCH channel needs assessment, this scheduled user's PDCCH channel is carried out channel tag, and record scheduled user's scheduling comes into force constantly.
13. system as claimed in claim 11 is characterized in that, said assessment unit is carried out descending estimation flow, specifically is used for:
Each user in the said LTE system is carried out datum plane to be handled;
Descending scheduling is carried out in each sub-district to current subframe comprises;
To each user in the said LTE system, when this user has channel to be set and during this channel of current needs assessment, for this user generates corresponding time domain channel;
The corresponding control channel of each user in the said LTE system is detected.
14. system as claimed in claim 13 is characterized in that, said assessment unit carries out datum plane to each user in the said LTE system to be handled, and specifically is used for:
Combination generates the high level data corresponding with the active user according to the configuration parameter determined, if when the channel quality indicator CQI updated time of current subframe arrives, carries out corresponding C QI renewal and operates;
Automatic repeat requests HARQ handles to said active user's mixing;
If during current needs assessment Physical HARQ Indicator Channel PHICH channel, this PHICH channel is carried out mark;
If when current subframe is Physical Broadcast Channel PBCH subframe, corresponding PBCH channel is carried out mark.
15. system as claimed in claim 13 is characterized in that, said assessment unit detects the corresponding control channel of each user in the said LTE system, specifically is used for:
If active user's control channel is labeled, and during this control channel of current needs assessment, this control channel is detected and receives;
Downlink traffic channel to said active user detects, and according to testing result corresponding physical uplink control channel PUCCH transmission timer and ACK/NACK state timer is set.
16. system as claimed in claim 15 is characterized in that, said control channel is PDCCH, PHICH, PBCH or CRS.
17. system as claimed in claim 11 is characterized in that, said assessment unit is carried out up estimation flow, specifically is used for:
Each user in the LTE system is carried out datum plane processing, power control and generates the time domain channel of each user to its all adjacent areas;
Each user in the said LTE system is carried out Traffic Channel to be detected and the control channel detection.
18. system as claimed in claim 17 is characterized in that, said assessment unit carries out datum plane to each user in the LTE system to be handled, and specifically is used for:
To the active user, this current user's rapid fading information is upgraded, and generated the high level data corresponding with this current user according to the configuration parameter combination of determining;
Judge whether current subframe is the PUCCH delivery time,, otherwise carry out following steps A if then carry out the set of PUCCH channel tag;
Steps A, judge whether current subframe is the SRS report cycle,, otherwise carry out following steps B if then carry out set of SRS channel and SRS resource allocation;
When step B, the user when said active user is the arrival of HARQ state feedback timer, the HARQ process is upgraded according to HARQ state feedback timer; And, when said user is the user of scheduling arrival constantly, send the PUSCH data.
19. system as claimed in claim 17 is characterized in that, said assessment unit carries out Traffic Channel to each user in the said LTE system and detects, and comprising:
The active user is carried out uplink service to be detected;
The active user is carried out the PUSCH traffic channel data receive, and said active user's PHICH feedback timer and HARQ state feedback timer upgraded.
20. system as claimed in claim 17 is characterized in that, said assessment unit carries out control channel to each user in the said LTE system and detects, and specifically is used for:
Whether the PUCCH channel of judging the active user is set, if then carry out following steps A1, otherwise execution in step A2;
Steps A 1, judge the current whether said active user's of needs assessment PUCCH channel,, otherwise HARQ state feedback timer is revised if then carry out the PUCCH input;
Steps A 2, judge whether the active user is SRS report cycle user,, otherwise carry out following steps B2 if then carry out following steps B1;
Step B1, carry out the SRS input, and execution in step B2;
Step B2, the figuration that carries out the active user calculate, and upgrade timer.
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| CN104469946A (en) * | 2013-09-13 | 2015-03-25 | 普天信息技术研究院有限公司 | Physical uplink control channel (PUCCH) resource allocation method |
| CN104469947A (en) * | 2013-09-17 | 2015-03-25 | 普天信息技术研究院有限公司 | Uplink and downlink unified resource allocation method |
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| CN101969651A (en) * | 2009-07-28 | 2011-02-09 | 中兴通讯股份有限公司 | Exponential type load estimation method and device in LTE system |
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| CN101969651A (en) * | 2009-07-28 | 2011-02-09 | 中兴通讯股份有限公司 | Exponential type load estimation method and device in LTE system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104469946A (en) * | 2013-09-13 | 2015-03-25 | 普天信息技术研究院有限公司 | Physical uplink control channel (PUCCH) resource allocation method |
| CN104469946B (en) * | 2013-09-13 | 2018-08-03 | 普天信息技术研究院有限公司 | A kind of physical uplink control channel resource distribution method |
| CN104469947A (en) * | 2013-09-17 | 2015-03-25 | 普天信息技术研究院有限公司 | Uplink and downlink unified resource allocation method |
| CN104469947B (en) * | 2013-09-17 | 2018-08-03 | 普天信息技术有限公司 | A kind of uplink and downlink federated resource distribution method |
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