CN102088715B - Packet segmentation method and equipment - Google Patents

Packet segmentation method and equipment Download PDF

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CN102088715B
CN102088715B CN201110023312.0A CN201110023312A CN102088715B CN 102088715 B CN102088715 B CN 102088715B CN 201110023312 A CN201110023312 A CN 201110023312A CN 102088715 B CN102088715 B CN 102088715B
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cqi
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CN102088715A (en
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孙军帅
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Datang Mobile Communications Equipment Co Ltd
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Datang Mobile Communications Equipment Co Ltd
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Abstract

The invention discloses a packet segmentation method and equipment. The method comprises the following steps: determining air interface quality of a user; and segmenting packets in dedicate/common media access control (MAC) protocol data units (MAC-d/c PDUs) according to the air interface quality of the user. By utilizing the packet segmentation method and the equipment, the problem such as reduction of utilization ratio of air interface resources is overcome, and system advantages brought by an enhance layer 2 (L2+) are fully utilized.

Description

A kind of packet segmentation method and equipment
Technical field
The present invention relates to wireless communication technology, particularly a kind of packet segmentation method and equipment.
Background technology
According to 3GPP TS25.321R890(version 890) regulation of agreement, HSPA(High Speed Packet Access, high-speed packet accesses) evolve to HSPA+(High Speed Packet Access Plus, high-speed packet access strengthens) after, descending L2+(Enhance Layer2, layer 2 strengthens) as the basic characteristic in HSPA+ stage, require NB(Node B, Node B) MAC(Media Access Control, medium education) have MAC-d/c PDU(Dedicate/Common MAC Protocol Data Unit, special/public MAC entity protocol Data Unit) fragmentation feature of packet.The object that agreement introduces this function be in order to by MAC layer to the flexible segmentation receiving MAC-d/c PDU packet, reduce MAC-hs PDU(High Speed MAC Protocol Data Unit in HSPA, high speed MAC entity protocol Data Unit) header overhead that brings of the MAC-d PDU packet of overhead that the filling of packet brings and fixed size, to improve the utilance of system interface-free resources.
Fig. 1 is the relation schematic diagram of MAC-hs PDU and MAC-d PDU in HSPA, and as shown in the figure, the relation of descending various MAC PDU is as follows:
In HSPA, MAC-hs PDU comprises MAC-hs Header(MAC-hs head) and MAC-hs SDU(Service Data Unit, Service Data Unit), MAC-hs SDU and MAC-d PDU one_to_one corresponding.
Fig. 2 is MAC-ehs PDU(Enhance High Speed MAC Protocol Data Unit in HSPA+, strengthen high speed MAC entity protocol Data Unit) with the relation schematic diagram of MAC-d PDU, as shown in the figure, in HSPA+, MAC-ehs PDU comprises MAC-ehs Header and MAC-ehs Reordering PDU(MAC-ehs and resets PDU), each MAC-ehs Reordering PDU comprises a MAC-ehs Reordering Header and MAC-ehs Reordering SDU, a MAC-ehs Reordering SDU comprises a MAC-ehs SDU or MAC-ehs SDU segmentation, a MAC-ehs SDU and MAC-d/c PDU one_to_one corresponding.
The above is the explanation to downlink data segmentation, is described below to the segmentation of upstream data again.
According to the regulation of 25.321R890 agreement, after HSPA evolves to HSPA+, up L2+, as the basic characteristic in HSPA+ stage, requires that the MAC of UE has the fragmentation feature to MAC-d/c PDU packet.The object that agreement introduces this function be in order to by MAC layer to the flexible segmentation receiving MAC-d/c PDU packet, reduce MAC-e PDU(Enhance MAC Protocol Data Unit in HSPA, strengthen MAC entity protocol Data Unit) header overhead that brings of the MAC-d PDU packet of overhead that the filling of packet brings and fixed size, to improve the utilance of system interface-free resources.
Fig. 3 is that in HSPA, MAC-es PDU(illustrates: in agreement, directly name MAC-es does not provide English full name) with the relation schematic diagram of MAC-d PDU, Fig. 4 is the relation schematic diagram of MAC-e PDU and MAC-es PDU in HSPA, as shown in the figure, the relation of up various MAC PDU is as follows:
In HSPA, each MAC-e PDU comprises MAC-e Header and MAC-es PDU, and each MAC-es PDU comprises MAC-es Header and MAC-es SDU, each MAC-es SDU and MAC-d PDU one_to_one corresponding.
Fig. 5 is the relation schematic diagram of MAC-is PDU and MAC-d/c PDU in HSPA+, Fig. 6 is that in HSPA+, MAC-i PDU(illustrates: in agreement, directly name MAC-i does not provide English full name) illustrate with MAC-is PDU(: agreement directly names MAC-is not provide English full name) relation schematic diagram, as shown in the figure, in HSPA+, MAC-i PDU comprises MAC-i Header and MAC-is PDU, each MAC-is PDU comprises a MAC-is Header and MAC-is SDU, and each MAC-is SDU comprises a MAC-d/c PDU or MAC-d/c PDU segmentation.
The deficiency that the L2+ technical requirement of HSPA+ has the function of MAC-d/c PDU packet segmentation is: carry out to MAC-d/c PDU packet the utilance that segmentation can reduce interface-free resources.
Summary of the invention
Technical problem solved by the invention there are provided a kind of packet segmentation method and equipment, in order to solve the problem of the utilization rate of air interface resource reduction existed when the L2+ technical requirement of HSPA+ has the function of MAC-d/c PDU packet segmentation in prior art.
Provide a kind of packet segmentation method in the embodiment of the present invention, comprise the steps:
The channel quality indicator (CQI) instruction that base station is fed back according to user equipment (UE) and user's block error rate BLER of monitoring mass parameter of eating dishes without rice or wine determines the quality of eating dishes without rice or wine of user;
Quality of eating dishes without rice or wine according to user is carried out segmentation to special/public medium access control entity protocol Data Unit MAC-d/c PDU packet, being comprised:
If N-BLER ue<N-BLER lowand N-RTBS ue_cqi>N-RTBS high, then support that the MAC-d/c PDU of the MAC-d/c PDU segmentation of random length and any situation is multiplexing; If N-BLER ue>N-BLER highand N-RTBS ue_cqi<N-RTBS low, then segmentation scales is n 4; n 4value be no more than 10% little value, the filling bit length of reserved 90% is used in new filling; If N-BLER ue>N-BLER highand N-RTBS ue_cqi<N-RTBS high, segmentation scales is n 1; n 1value be no more than 30% little value, the filling bit length of reserved 70% is used in new filling; If N-BLER ue<N-BLER lowand N-RTBS ue_cqi>N-RTBS low, segmentation scales is n 2; n 2value be not less than 70% high level, the filling bit length of reserved 30% is used in new filling; If N-BLER low<=N-BLER ue<=N-BLER highand N-RTBS low<=N-RTBS ue_cqi<=N-RTBS high, segmentation scales is n 3, n 3value be about 50%, the filling bit length of reserved 50% is used in new filling; Other any situation segmentation scales are n 2, wherein:
N-RTBS lowfor base station NB can distribute to the enhancing high speed media access control en-tity protocol data unit MAC-ehs PDU bit length low threshold of user; N-RTBS highfor NB can distribute to the MAC-ehs PDU bit length high threshold of user; N-BLER lowfor the Block Error Rate low threshold of the UE of NB monitoring; N-BLER highfor the Block Error Rate high threshold of the UE of NB monitoring; N-RTBS ue_cqifor the MAC-ehs PDU bit length that UE reports; N-BLER uethe smooth value of the Block Error Rate of the UE monitored for current NB.
Provide a kind of packet segmentation method in the embodiment of the present invention, comprise the steps:
UE determines the quality of eating dishes without rice or wine of user according to the result of the upstream data of base station feedback, the transmission of downlink data and uplink authorization data quality of reception parameter of eating dishes without rice or wine;
Quality of eating dishes without rice or wine according to user is carried out segmentation to special/public medium access control entity protocol Data Unit MAC-d/c PDU packet, being comprised:
If U-BLER ue<U-BLER lowand U-RTBS ue_cqi>U-RTBS high, then support that the MAC-d/c PDU of the MAC-d/c PDU segmentation of random length and any situation is multiplexing; If U-BLER ue>U-BLER highand U-RTBS ue_cqi<U-RTBS low, then UE only transmitting system information; If U-BLER ue>U-BLER highand U-RTBS ue_cqi<U-RTBS high, segmentation scales is n 1; n 1value be no more than 30% little value, the filling bit length of reserved 70% is used in new filling; If U-BLER ue<U-BLER lowand U-RTBS ue_cqi>U-RTBS low, segmentation scales is n 2; n 2value be not less than 70% high level, the filling bit length of reserved 30% is used in new filling; If U-BLER low<=U-BLER ue<=U-BLER highand U-RTBS low<=U-RTBS ue_cqi<=U-RTBS high, segmentation scales is n 3, n 3value be about 50%, the filling bit length of reserved 50% is used in new filling; Other any situation segmentation scales are n 2, wherein:
U-RTBS lowfor UE feeds back to the MAC-ehs PDU bit length low threshold of NB; U-RTBS highfor UE feeds back to the MAC-ehs PDU bit length high threshold of NB; N-BLER lowfor the Block Error Rate low threshold of the upstream data that UE receives Block Error Rate according to the downlink data of monitoring and feed back; U-BLER highfor the Block Error Rate high threshold of the upstream data that UE receives Block Error Rate according to the downlink data of monitoring and feed back; U-RTBS ue_cqifor UE reports the MAC-i PDU bit length of NB; U-BLER uefor the smooth value of the Block Error Rate of current UE monitoring.
Provide a kind of packet staging device in the embodiment of the present invention, comprising:
Quality determination module, is positioned at base station, and the mass parameter of eating dishes without rice or wine of the user BLER for the CQI instruction of feeding back according to UE and monitoring determines the quality of eating dishes without rice or wine of user;
Packet segmentation module, carries out segmentation for the quality of eating dishes without rice or wine according to user to MAC-d/c PDU packet, comprising:
If N-BLER ue<N-BLER lowand N-RTBS ue_cqi>N-RTBS high, then support that the MAC-d/c PDU of the MAC-d/c PDU segmentation of random length and any situation is multiplexing;
If N-BLER ue>N-BLER highand N-RTBS ue_cqi<N-RTBS low, then segmentation scales is n 4; n 4value be no more than 10% little value, the filling bit length of reserved 90% is used in new filling; If N-BLER ue>N-BLER highand N-RTBS ue_cqi<N-RTBS high, segmentation scales is n 1; n 1value be no more than 30% little value, the filling bit length of reserved 70% is used in new filling; If N-BLER ue<N-BLER lowand N-RTBS ue_cqi>N-RTBS low, segmentation scales is n 2; n 2value be not less than 70% high level, the filling bit length of reserved 30% is used in new filling; If N-BLER low<=N-BLER ue<=N-BLER highand N-RTBS low<=N-RTBS ue_cqi<=N-RTBS high, segmentation scales is n 3, n 3value be about 50%, the filling bit length of reserved 50% is used in new filling; Other any situation segmentation scales are n 2, wherein, wherein:
N-RTBS lowfor base station NB can distribute to the enhancing high speed media access control en-tity protocol data unit MAC-ehs PDU bit length low threshold of user; N-RTBS highfor NB can distribute to the MAC-ehs PDU bit length high threshold of user; N-BLER lowfor the Block Error Rate low threshold of the UE of NB monitoring; N-BLER highfor the Block Error Rate high threshold of the UE of NB monitoring; N-RTBS ue_cqifor the MAC-ehs PDU bit length that UE reports; N-BLER uethe smooth value of the Block Error Rate of the UE monitored for current NB.
Provide a kind of packet staging device in the embodiment of the present invention, comprising:
Quality determination module, is positioned at UE, determines the quality of eating dishes without rice or wine of user for the result of the upstream data according to base station feedback, the transmission of downlink data and uplink authorization data quality of reception parameter of eating dishes without rice or wine;
Packet segmentation module, carries out segmentation for the quality of eating dishes without rice or wine according to user to MAC-d/c PDU packet, comprising: if U-BLER ue<U-BLER lowand U-RTBS ue_cqi>U-RTBS high, then support that the MAC-d/c PDU of the MAC-d/c PDU segmentation of random length and any situation is multiplexing;
If U-BLER ue>U-BLER highand U-RTBS ue_cqi<U-RTBS low, then UE only transmitting system information; If U-BLER ue>U-BLER highand U-RTBS ue_cqi<U-RTBS high, segmentation scales is n 1; n 1value be no more than 30% little value, the filling bit length of reserved 70% is used in new filling; If U-BLER ue<U-BLER lowand U-RTBS ue_cqi>U-RTBS low, segmentation scales is n 2; n 2value be not less than 70% high level, the filling bit length of reserved 30% is used in new filling; If U-BLER low<=U-BLER ue<=U-BLER highand U-RTBS low<=U-RTBS ue_cqi<=U-RTBS high, segmentation scales is n 3, n 3value be about 50%, the filling bit length of reserved 50% is used in new filling; Other any situation segmentation scales are n 2, wherein:
U-RTBS lowfor UE feeds back to the MAC-ehs PDU bit length low threshold of NB; U-RTBS highfor UE feeds back to the MAC-ehs PDU bit length high threshold of NB; N-BLER lowfor the Block Error Rate low threshold of the upstream data that UE receives Block Error Rate according to the downlink data of monitoring and feed back; U-BLER highfor the Block Error Rate high threshold of the upstream data that UE receives Block Error Rate according to the downlink data of monitoring and feed back; U-RTBS ue_cqifor UE reports the MAC-i PDU bit length of NB; U-BLER uefor the smooth value of the Block Error Rate of current UE monitoring.
Beneficial effect of the present invention is as follows:
In the technical scheme that the embodiment of the present invention provides, owing to take into account the impact of the quality of eating dishes without rice or wine of user when MAC-d/c PDU packet carries out segmentation, so carry out segmentation selection according to the quality of user UU mouth, thus overcome the problem that utilization rate of air interface resource reduces, also therefore take full advantage of the advantage that L2+ brings to system.
Accompanying drawing explanation
Fig. 1 is the relation schematic diagram of MAC-hs PDU and MAC-d PDU in HSPA in background technology;
Fig. 2 is the relation schematic diagram of MAC-ehs PDU and MAC-d PDU in HSPA+ in background technology;
Fig. 3 is the relation schematic diagram of MAC-es PDU and MAC-d PDU in HSPA in background technology;
Fig. 4 is the relation schematic diagram of MAC-e PDU and MAC-es PDU in HSPA in background technology;
Fig. 5 is the relation schematic diagram of MAC-is PDU and MAC-d/c PDU in HSPA+ in background technology;
Fig. 6 is the relation schematic diagram of MAC-i PDU and MAC-is PDU in HSPA+ in background technology;
Fig. 7 is packet segmentation method implementing procedure schematic diagram in the embodiment of the present invention;
Fig. 8 is that in the embodiment of the present invention, base station side is eated dishes without rice or wine for user the overall schematic flow sheet of segmentation of quality;
Fig. 9 is base station side packet segmentation method implementing procedure schematic diagram in the embodiment of the present invention;
Figure 10 is that in the embodiment of the present invention, eat dishes without rice or wine for user the overall schematic flow sheet of segmentation of quality in UE side;
Figure 11 is UE side data bag segmentation method implementing procedure schematic diagram in the embodiment of the present invention;
Figure 12 is packet staging device structural representation in the embodiment of the present invention.
Embodiment
Inventor notices in invention process:
If still carry out MAC segmentation when user eats dishes without rice or wine of poor quality, the waste of system interface-free resources will be caused.
For descending:
1, after a MAC-ehs PDU comprises MAC-d/c PDU segmentation, if segment transmissions failure, whole MAC-ehs PDU will retransmit, although wherein complete MAC-d/c PDU has been correctly received, cause the waste of interface-free resources;
2, after a MAC-ehs PDU comprises MAC-d/c PDU segmentation, if wherein complete MAC-d/c PDU bust this, whole MAC-ehs PDU will retransmit, although wherein MAC-d/c PDU segmentation has been correctly received, cause the waste of interface-free resources, and increase the time delay that opposite end MAC layer waits for recombination data bag;
3, after a MAC-ehs PDU comprises MAC-d/c PDU segmentation, if segmentation repeatedly retransmits still bust this, although other remaining MAC-d/c PDU segmentations transmission success, final whole MAC-d/c PDU is still dropped, and causes the waste of interface-free resources.
For up:
1, after a MAC-i PDU comprises MAC-d/c PDU segmentation, if segment transmissions failure, whole MAC-i PDU will retransmit, although wherein complete MAC-d/c PDU has been correctly received, cause the waste of interface-free resources;
2, after a MAC-i PDU comprises MAC-d/c PDU segmentation, if wherein complete MAC-d/c PDU bust this, whole MAC-i PDU will retransmit, although wherein MAC-d/c PDU segmentation has been correctly received, cause the waste of interface-free resources, and increase the time delay that opposite end MAC layer waits for recombination data bag;
3, after a MAC-i PDU comprises MAC-d/c PDU segmentation, if segmentation repeatedly retransmits still bust this, although other remaining MAC-d/c PDU segmentations transmission success, final whole MAC-d/c PDU is still dropped, and causes the waste of interface-free resources.
Visible, the descending L2+ technical requirement NB of HSPA+ has the function of MAC-d/c PDU packet segmentation, and the up L2+ technical requirement UE of HSPA+ has the function of MAC-d/c PDU packet segmentation.Its deficiency is: when user eats dishes without rice or wine (the data Block Error Rate of user is high) of poor quality, carry out segmentation and add the number of times of re-transmission and the wait time delay of set of terminal bag, reduce the utilance of interface-free resources to MAC-d/c PDU packet.
Given this, quality of eating dishes without rice or wine according to user in the technical scheme provided in the embodiment of the present invention is dynamically selected whether to carry out segment transmissions to MAC-d/c PDU packet by MAC-ehs, and/or, quality of eating dishes without rice or wine according to user is dynamically selected whether to carry out segment transmissions to MAC-d/c PDU packet by MAC-i, and the gain that L2+ technology can be made like this to bring to system maximizes.Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
Fig. 7 is packet segmentation method implementing procedure schematic diagram, as shown in the figure, can comprise the steps:
Step 701, determine the quality of eating dishes without rice or wine of user;
Step 702, according to the quality of eating dishes without rice or wine of user, segmentation is carried out to MAC-d/c PDU packet.
In enforcement, for MAC-d/c PDU packet fragmentation feature required in the L2+ technology of HSPA+, it only comprises the segmentation of upstream data and segmentation two kinds of situations of downlink data, is therefore described two kinds of feelings respectively below.
One, the descending L2+ base station MAC-d/c PDU packet segmentation of HSPA+.
Fig. 8 is that base station side is eated dishes without rice or wine for user the overall schematic flow sheet of segmentation of quality, and as shown in the figure, its overall process can be as follows:
At the upstream data feedback of monitor user ' of eating dishes without rice or wine or the upstream data of transmission, and receive the information of eating dishes without rice or wine of user feedback, determined the quality of eating dishes without rice or wine of user by quality judgement of eating dishes without rice or wine for the user of segmentation, then carry out the segmentation of packet according to corresponding segmentation algorithm.
Concrete, the CQI(Channel Quality Indicator that UE can feed back by NB, channel quality indicates) the user BLER(BLock Error Rate of instruction and monitoring, Block Error Rate) etc. mass parameter of eating dishes without rice or wine be input in decision algorithm; What decision algorithm is outputted to user eats dishes without rice or wine in Quality estimation process again; Then NB is according to the partition strategy of the quality choice packet of eating dishes without rice or wine of user.
Fig. 9 is base station side packet segmentation method implementing procedure schematic diagram, as shown in the figure, can comprise the steps:
Step 901, determine the quality of eating dishes without rice or wine of user;
Step 902, according to eat dishes without rice or wine quality choice segmentation, very poorly proceed to step 903, well proceed to step 904, proceed to step 905 very well;
Step 903, only send the whole of a MAC-d/c or lower than n 4a segmentation;
Step 904, multiple MAC-d/c PDU can be sent, and the bit of segmentation MAC-d/c PDU out carries out value according to n;
Step 905, MAC-d/c PDU carry out multiplexing and segmentation arbitrarily.
In enforcement, the poor quality if user eats dishes without rice or wine, then NB sends a MAC-d/c PDU completed or lower than the total data packet length calculated, according to n 4ratio fill, object is synchronous by what send that less data keep user at UU mouth, and by the bag that transmits and receive data, when the UU mouth quality of user improves, NB can obtain the response of user in time.
If user eats dishes without rice or wine, quality is good, then coefficient of utilization n rounds the bit length of the MAC-d/c PDU as segmentation to remaining filling.
If user eats dishes without rice or wine, quality is fine, then support that the MAC-d/c PDU of the MAC-d/c PDU segmentation of random length and any situation is multiplexing.
In enforcement, the CQI instruction that base station is fed back according to UE and the user BLER of monitoring mass parameter of eating dishes without rice or wine is determined to comprise the quality of eating dishes without rice or wine of user:
Base station is according to N-RTBS low, N-RTBS high, N-BLER low, N-BLER high, N-RTBS ue_cqi, N-BLER uedetermine the quality of eating dishes without rice or wine of user, wherein:
N-RTBS lowfor NB can distribute to the MAC-ehs PDU bit length low threshold of user;
N-RTBS highfor NB can distribute to the MAC-ehs PDU bit length high threshold of user;
N-BLER lowfor the Block Error Rate low threshold of the UE of NB monitoring;
N-BLER highfor the Block Error Rate high threshold of the UE of NB monitoring;
N-RTBS ue_cqifor the MAC-ehs PDU bit length that UE reports;
N-BLER uethe smooth value of the Block Error Rate of the UE monitored for current NB.
Further, in enforcement, N-BLER uecan calculate as follows:
N - BLER ue = ( 1 - 1 p N ) * N - BLER ue + 1 p N * N - BLER uu , Wherein:
P nfor the smoothing factor of the Block Error Rate of the UE of NB monitoring;
N-BLER uuthe instantaneous value of the Block Error Rate of the UE monitored for current NB.
Concrete, NB can, after each measurement period calculates the instantaneous BLER of user, use the smoothing formula of above-mentioned BLER to upgrade the BLER of user.
In enforcement, the quality of eating dishes without rice or wine according to user carries out segmentation to MAC-d/c PDU packet, then can comprise:
If 1 N-BLER ue<N-BLER lowand N-RTBS ue_cqi>N-RTBS high, then represent that UE eats dishes without rice or wine quality very well, can support that the MAC-d/c PDU of the MAC-d/c PDU segmentation of random length and any situation is multiplexing;
If 2 N-BLER ue>N-BLER highand N-RTBS ue_cqi<N-RTBS low, then represent that UE eats dishes without rice or wine poor quality, segmentation scales can be n 4; n 4value be no more than 10% little value, the filling bit length of reserved 90% is used in new filling;
Here is that UE eats dishes without rice or wine the second best in quality carrying out step by step mode.
If 3 N-BLER ue>N-BLER highand N-RTBS ue_cqi<N-RTBS high, segmentation scales can be n 1; n 1value be no more than 30% little value, the filling bit length of reserved 70% is used in new filling;
If 4 N-BLER ue<N-BLER lowand N-RTBS ue_cqi>N-RTBS low, segmentation scales can be n 2; n 2value be not less than 70% high level, the filling bit length of reserved 30% is used in new filling;
If 5 N-BLER low<=N-BLER ue<=N-BLER highand N-RTBS low<=N-RTBS ue_cqi<=N-RTBS high, segmentation scales can be n 3, n 3value be about 50%, the filling bit length of reserved 50% is used in new filling;
6, other any situation segmentation scales can be n 2.
Concrete, other situations are n2, are to consider that the judgement of UU mouth quality exists certain error, after exceeding definite determination range, all use the filling section of getting of the quality manner of eating dishes without rice or wine in " medium " situation.
In force, the value principle for n is: the section length that the UU mouth quality that scope is different is corresponding different, and UU mouth quality is better, then that can fill is more, carrying valid data as much as possible; Otherwise, do not carry the valid data of segmentation or carry padding data less.
Two, the up L2+ subscriber equipment MAC-d/c PDU packet segmentation of HSPA+.
Figure 10 is eat dishes without rice or wine for user the overall schematic flow sheet of segmentation of quality in UE side, and as shown in the figure, its overall process can be as follows:
At the downlink data mandate of monitoring base station of eating dishes without rice or wine or the downlink data of feedback or transmission, and base station send data message and schedule information, by eating dishes without rice or wine for the user of segmentation, quality judgement determines that UE receives the quality of eating dishes without rice or wine of data, then carries out the segmentation of packet according to corresponding segmentation algorithm.
Concrete, the result of upstream data that NB can feed back by UE, the transmission of downlink data and uplink authorization data eat dishes without rice or wine quality of reception parameters input in decision algorithm; What decision algorithm is outputted to user eats dishes without rice or wine in Quality estimation process again; Then UE is according to the partition strategy of the quality choice packet of eating dishes without rice or wine of user.
Figure 11 is UE side data bag segmentation method implementing procedure schematic diagram, as shown in the figure, can comprise the steps:
Step 1101, determine the quality of eating dishes without rice or wine of user;
Step 1102, according to eat dishes without rice or wine quality choice segmentation, very poorly proceed to step 903, well proceed to step 904, proceed to step 905 very well;
Step 1103, a transmitting system information;
Step 1104, multiple MAC-d/c PDU can be sent, and the bit of segmentation MAC-d/c PDU out carries out value according to n;
Step 1105, MAC-d/c PDU carry out multiplexing and segmentation arbitrarily.
In enforcement, the poor quality if user eats dishes without rice or wine, then UE transmitting system information, object keeps synchronous at UU mouth of UE, after UU mouth quality improves, obtains NB and dispatch in time.If user eats dishes without rice or wine, quality is good, then coefficient of utilization n rounds the bit length of the MAC-d/c PDU as segmentation to remaining filling.If user eats dishes without rice or wine, quality is fine, then support that the MAC-d/c PDU of the MAC-d/c PDU segmentation of random length and any line is multiplexing.
In enforcement, UE determines to comprise the quality of eating dishes without rice or wine of user according to the result of the upstream data of base station feedback, the transmission of downlink data and uplink authorization data quality of reception parameter of eating dishes without rice or wine:
Base station is according to N-RTBS low, N-RTBS high, N-BLER low, N-BLER high, N-RTBS ue_cqi, N-BLER uedetermine the quality of eating dishes without rice or wine of user, wherein:
U-RTBS lowfor UE feeds back to the MAC-ehs PDU bit length low threshold of NB;
U-RTBS highfor UE feeds back to the MAC-ehs PDU bit length high threshold of NB;
N-BLER lowfor the Block Error Rate low threshold of the upstream data that UE receives Block Error Rate according to the downlink data of monitoring and feed back;
U-BLER highfor the Block Error Rate high threshold of the upstream data that UE receives Block Error Rate according to the downlink data of monitoring and feed back;
U-RTBS ue_cqifor UE reports the MAC-i PDU bit length of NB;
U-BLER uefor the smooth value of the Block Error Rate of current UE monitoring.
Further, in enforcement, U-BLER uecan calculate as follows:
U - BLER ue = ( 1 - 1 p u ) * U - BLER ue + 1 p u * U - BLER uu , Wherein:
P ufor the smoothing factor of the Block Error Rate of UE monitoring;
U-BLER uufor the instantaneous value of the Block Error Rate that current NB monitors.
Concrete, UE can after each measurement period calculates the instantaneous BLER receiving data, and the smoothing formula of above-mentioned BLER upgrades the BLER of user.
In enforcement, the quality of eating dishes without rice or wine according to user carries out segmentation to MAC-d/c PDU packet, then can comprise:
If 1 U-BLER ue<U-BLER lowand U-RTBS ue_cqi>U-RTBS high, then represent that UE eats dishes without rice or wine quality very well, can support that the MAC-d/c PDU of the MAC-d/c PDU segmentation of random length and any situation is multiplexing;
If 2 U-BLER ue>U-BLER highand U-RTBS ue_cqi<U-RTBS low, then represent that UE eats dishes without rice or wine poor quality, UE is transmitting system information only;
Here is the second best in quality carrying out step by step mode of eating dishes without rice or wine.
If 3 U-BLER ue>U-BLER highand U-RTBS ue_cqi<U-RTBS high, segmentation scales can be n 1; n 1value be no more than 30% little value, the filling bit length of reserved 70% is used in new filling;
If 4 U-BLER ue<U-BLER lowand U-RTBS ue_cqi>U-RTBS low, segmentation scales can be n 2; n 2value be not less than 70% high level, the filling bit length of reserved 30% is used in new filling;
If 5 U-BLER low<=U-BLER ue<=U-BLER highand U-RTBS low<=U-RTBS ue_cqi<=U-RTBS high, segmentation scales can be n 3, n 3value be about 50%, the filling bit length of reserved 50% is used in new filling;
6, other any situation segmentation scales can be n 2.
Concrete, other situations are n2, are to consider that the judgement of UU mouth quality exists certain error, after exceeding definite determination range, all use the filling section of getting of the quality manner of eating dishes without rice or wine in " medium " situation.
In force, the value principle for n is: the section length that the UU mouth quality that scope is different is corresponding different, and UU mouth quality is better, then that can fill is more, carrying valid data as much as possible; Otherwise, do not carry the valid data of segmentation or carry padding data less.
In above-described embodiment, n i, i=1,2,3,4, refer to the ratio of the remaining bits of the bit stealing that segmentation MAC-d/c PDU takies.
Based on same inventive concept, a kind of packet staging device is additionally provided in the embodiment of the present invention, the principle of dealing with problems due to this equipment is similar to a kind of packet segmentation method, and therefore the enforcement of this equipment see the enforcement of method, can repeat part and repeat no more.
Figure 12 is packet staging device structural representation, as shown in the figure, can comprise in equipment:
Quality determination module 1201, for determining the quality of eating dishes without rice or wine of user;
Packet segmentation module 1202, carries out segmentation for the quality of eating dishes without rice or wine according to user to MAC-d/c PDU packet.
In enforcement, quality determination module is positioned at base station, can be further used for determine user eat dishes without rice or wine quality time, determine the quality of eating dishes without rice or wine of user according to the CQI instruction of UE feedback and the user BLER of monitoring mass parameter of eating dishes without rice or wine;
Or quality determination module is positioned at UE, the result of the upstream data according to base station feedback, the transmission of downlink data and uplink authorization data quality of reception parameter of eating dishes without rice or wine can be further used for and determines the quality of eating dishes without rice or wine of user.
In enforcement, quality determination module is positioned at base station, can also be further used for according to N-RTBS low, N-RTBS high, N-BLER low, N-BLER high, N-RTBS ue_cqi, N-BLER uedetermine the quality of eating dishes without rice or wine of user, wherein:
N-RTBS lowfor NB can distribute to the MAC-ehs PDU bit length low threshold of user;
N-RTBS highfor NB can distribute to the MAC-ehs PDU bit length high threshold of user;
N-BLER lowfor the Block Error Rate low threshold of the UE of NB monitoring;
N-BLER highfor the Block Error Rate high threshold of the UE of NB monitoring;
N-RTBS ue_cqifor the MAC-ehs PDU bit length that UE reports;
N-BLER uethe smooth value of the Block Error Rate of the UE monitored for current NB.
In enforcement, quality determination module can also be further used for calculating N-BLER as follows ue:
N - BLER ue = ( 1 - 1 p N ) * N - BLER ue + 1 p N * N - BLER uu , Wherein:
P nfor the smoothing factor of the Block Error Rate of the UE of NB monitoring;
N-BLER uuthe instantaneous value of the Block Error Rate of the UE monitored for current NB.
In enforcement, packet segmentation module is positioned at base station, can also be further used for, when carrying out segmentation according to the quality of eating dishes without rice or wine of user to MAC-d/c PDU packet, comprising:
If N-BLER ue<N-BLER lowand N-RTBS ue_cqi>N-RTBS high, then support that the MAC-d/c PDU of the MAC-d/c PDU segmentation of random length and any situation is multiplexing;
If N-BLER ue>N-BLER highand N-RTBS ue_cqi<N-RTBS low, then segmentation scales is n 4; n 4value be no more than 10% little value, the filling bit length of reserved 90% is used in new filling;
If N-BLER ue>N-BLER highand N-RTBS ue_cqi<N-RTBS high, segmentation scales is n 1; n 1value be no more than 30% little value, the filling bit length of reserved 70% is used in new filling;
If N-BLER ue<N-BLER lowand N-RTBS ue_cqi>N-RTBS low, segmentation scales is n 2; n 2value be not less than 70% high level, the filling bit length of reserved 30% is used in new filling;
If N-BLER low<=N-BLER ue<=N-BLER highand N-RTBS low<=N-RTBS ue_cqi<=N-RTBS high, segmentation scales is n 3, n 3value be about 50%, the filling bit length of reserved 50% is used in new filling;
Other any situation segmentation scales are n 2.
In enforcement, quality determination module is positioned at UE, can also be further used for according to N-RTBS low, N-RTBS high, N-BLER low, N-BLER high, N-RTBS ue_cqi, N-BLER uedetermine the quality of eating dishes without rice or wine of user, wherein:
U-RTBS lowfor UE feeds back to the MAC-ehs PDU bit length low threshold of NB;
U-RTBS highfor UE feeds back to the MAC-ehs PDU bit length high threshold of NB;
N-BLER lowfor the Block Error Rate low threshold of the upstream data that UE receives Block Error Rate according to the downlink data of monitoring and feed back;
U-BLER highfor the Block Error Rate high threshold of the upstream data that UE receives Block Error Rate according to the downlink data of monitoring and feed back;
U-RTBS ue_cqifor UE reports the MAC-i PDU bit length of NB;
U-BLER uefor the smooth value of the Block Error Rate of current UE monitoring.
In enforcement, quality determination module can also be further used for calculating U-BLER as follows ue:
U - BLER ue = ( 1 - 1 p u ) * U - BLER ue + 1 p u * U - BLER uu , Wherein:
P ufor the smoothing factor of the Block Error Rate of UE monitoring;
U-BLER uufor the instantaneous value of the Block Error Rate that current NB monitors.
In enforcement, packet segmentation module is positioned at UE, can also be further used for, when carrying out segmentation according to the quality of eating dishes without rice or wine of user to MAC-d/c PDU packet, comprising:
If U-BLER ue<U-BLER lowand U-RTBS ue_cqi>U-RTBS high, then support that the MAC-d/c PDU of the MAC-d/c PDU segmentation of random length and any situation is multiplexing;
If U-BLER ue>U-BLER highand U-RTBS ue_cqi<U-RTBS low, then UE only transmitting system information;
If U-BLER ue>U-BLER highand U-RTBS ue_cqi<U-RTBS high, segmentation scales is n 1; n 1value be no more than 30% little value, the filling bit length of reserved 70% is used in new filling;
If U-BLER ue<U-BLER lowand U-RTBS ue_cqi>U-RTBS low, segmentation scales is n 2; n 2value be not less than 70% high level, the filling bit length of reserved 30% is used in new filling;
If U-BLER low<=U-BLER ue<=U-BLER highand U-RTBS low<=U-RTBS ue_cqi<=U-RTBS high, segmentation scales is n 3, n 3value be about 50%, the filling bit length of reserved 50% is used in new filling;
Other any situation segmentation scales are n 2.
For convenience of description, each several part of the above device is divided into various module or unit to describe respectively with function.Certainly, the function of each module or unit can be realized in same or multiple software or hardware when implementing of the present invention.
From above-mentioned enforcement, technical scheme provided by the invention carries out segmentation selection according to the quality of user UU mouth, overcomes the problem that utilization rate of air interface resource reduces, takes full advantage of the advantage that L2+ brings to system;
And realize simple.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (8)

1. a packet segmentation method, is characterized in that, comprises the steps:
The channel quality indicator (CQI) instruction that base station is fed back according to user equipment (UE) and user's block error rate BLER of monitoring mass parameter of eating dishes without rice or wine determines the quality of eating dishes without rice or wine of user;
Quality of eating dishes without rice or wine according to user is carried out segmentation to special/public medium access control entity protocol Data Unit MAC-d/c PDU packet, being comprised:
If N-BLER ue<N-BLER lowand N-RTBS ue_cqi>N-RTBS high, then support that the MAC-d/c PDU of the MAC-d/c PDU segmentation of random length and any situation is multiplexing; If N-BLER ue>N-BLER highand N-RTBS ue_cqi<N-RTBS low, then segmentation scales is n 4; n 4value be no more than 10% little value, the filling bit length of reserved 90% is used in new filling; If N-BLER ue>N-BLER highand N-RTBS ue_cqi<N-RTBS high, segmentation scales is n 1; n 1value be no more than 30% little value, the filling bit length of reserved 70% is used in new filling; If N-BLER ue<N-BLER lowand N-RTBS ue_cqi>N-RTBS low, segmentation scales is n 2; n 2value be not less than 70% high level, the filling bit length of reserved 30% is used in new filling; If N-BLER low<=N-BLER ue<=N-BLER highand N-RTBS low<=N-RTBS ue_cqi<=N-RTBS high, segmentation scales is n 3, n 3value be about 50%, the filling bit length of reserved 50% is used in new filling; Other any situation segmentation scales are n 2, wherein:
N-RTBS lowfor base station NB can distribute to the enhancing high speed media access control en-tity protocol data unit MAC-ehs PDU bit length low threshold of user; N-RTBS highfor NB can distribute to the MAC-ehs PDU bit length high threshold of user; N-BLER lowfor the Block Error Rate low threshold of the UE of NB monitoring; N-RTBS highfor the Block Error Rate high threshold of the UE of NB monitoring; N-RTBS ue_cqifor the MAC-ehs PDU bit length that UE reports; N-BLER uethe smooth value of the Block Error Rate of the UE monitored for current NB.
2. the method for claim 1, is characterized in that, the CQI instruction that base station is fed back according to UE and the user BLER of monitoring mass parameter of eating dishes without rice or wine is determined to comprise the quality of eating dishes without rice or wine of user:
Base station is according to N-RTBS low, N-RTBS high, N-BLER low, N-BLER high, N-RTBS ue_cqi, N-BLER uedetermine the quality of eating dishes without rice or wine of user.
3. a packet segmentation method, is characterized in that, comprises the steps:
UE determines the quality of eating dishes without rice or wine of user according to the result of the upstream data of base station feedback, the transmission of downlink data and uplink authorization data quality of reception parameter of eating dishes without rice or wine;
Quality of eating dishes without rice or wine according to user is carried out segmentation to special/public medium access control entity protocol Data Unit MAC-d/c PDU packet, being comprised:
If U-BLER ue<U-BLER lowand U-RTBS ue_cqi>U-RTBS high, then support that the MAC-d/c PDU of the MAC-d/c PDU segmentation of random length and any situation is multiplexing; If U-BLER ue>U-BLER highand U-RTBS ue_cqi<U-RTBS low, then UE only transmitting system information; If U-BLER ue>U-BLER highand U-RTBS ue_cqi<U-RTBS high, segmentation scales is n 1; n 1value be no more than 30% little value, the filling bit length of reserved 70% is used in new filling; If U-BLER ue<U-BLER lowand U-RTBS ue_cqi>U-RTBS low, segmentation scales is n 2; n 2value be not less than 70% high level, the filling bit length of reserved 30% is used in new filling; If U-BLER low<=U-BLER ue<=U-BLER highand U-RTBS low<=U-RTBS ue_cqi<=U-RTBS high, segmentation scales is n 3, n 3value be about 50%, the filling bit length of reserved 50% is used in new filling; Other any situation segmentation scales are n 2, wherein:
U-RTBS lowfor UE feeds back to the MAC-ehs PDU bit length low threshold of NB; U-RTBS highfor UE feeds back to the MAC-ehs PDU bit length high threshold of NB; N-BLER lowfor the Block Error Rate low threshold of the upstream data that UE receives Block Error Rate according to the downlink data of monitoring and feed back; U-BLER highfor the Block Error Rate high threshold of the upstream data that UE receives Block Error Rate according to the downlink data of monitoring and feed back; U-RTBS ue_cqifor UE reports the MAC-i PDU bit length of NB; U-BLER uefor the smooth value of the Block Error Rate of current UE monitoring.
4. method as claimed in claim 3, is characterized in that, UE determines to comprise the quality of eating dishes without rice or wine of user according to the result of the upstream data of base station feedback, the transmission of downlink data and uplink authorization data quality of reception parameter of eating dishes without rice or wine:
UE is according to U-RTBS low, U-RTBS high, U-BLER low, U-BLER high, U-RTBS ue_cqi, U-BLER uedetermine the quality of eating dishes without rice or wine of user.
5. a packet staging device, is characterized in that, comprising:
Quality determination module, is positioned at base station, and the mass parameter of eating dishes without rice or wine of the user BLER for the CQI instruction of feeding back according to UE and monitoring determines the quality of eating dishes without rice or wine of user;
Packet segmentation module, carries out segmentation for the quality of eating dishes without rice or wine according to user to MAC-d/c PDU packet, comprising:
If N-BLER ue<N-BLER lowand N-RTBS ue_cqi>N-RTBS high, then support that the MAC-d/c PDU of the MAC-d/c PDU segmentation of random length and any situation is multiplexing;
If N-BLER ue>N-BLER highand N-RTBS ue_cqi<N-RTBS low, then segmentation scales is n 4; n 4value be no more than 10% little value, the filling bit length of reserved 90% is used in new filling; If N-BLER ue>N-BLER highand N-RTBS ue_cqi<N-RTBS high, segmentation scales is n 1; n 1value be no more than 30% little value, the filling bit length of reserved 70% is used in new filling; If N-BLER ue<N-BLER lowand N-RTBS ue_cqi>N-RTBS low, segmentation scales is n 2; n 2value be not less than 70% high level, the filling bit length of reserved 30% is used in new filling; If N-BLER low<=N-BLER ue<=N-BLER highand N-RTBS low<=N-RTBS ue_cqi<=N-RTBS high, segmentation scales is n 3, n 3value be about 50%, the filling bit length of reserved 50% is used in new filling; Other any situation segmentation scales are n 2, wherein, wherein:
N-RTBS lowfor base station NB can distribute to the enhancing high speed media access control en-tity protocol data unit MAC-ehs PDU bit length low threshold of user; N-RTBS highfor NB can distribute to the MAC-ehs PDU bit length high threshold of user; N-BLER lowfor the Block Error Rate low threshold of the UE of NB monitoring; N-BLER highfor the Block Error Rate high threshold of the UE of NB monitoring; N-RTBS ue_cqifor the MAC-ehs PDU bit length that UE reports; N-BLER uethe smooth value of the Block Error Rate of the UE monitored for current NB.
6. equipment as claimed in claim 5, it is characterized in that, quality determination module is positioned at base station, is further used for according to N-RTBS low, N-RTBS high, N-BLER low, N-BLER high, N-RTBS ue_cqi, N-BLER uedetermine the quality of eating dishes without rice or wine of user.
7. a packet staging device, is characterized in that, comprising:
Quality determination module, is positioned at UE, determines the quality of eating dishes without rice or wine of user for the result of the upstream data according to base station feedback, the transmission of downlink data and uplink authorization data quality of reception parameter of eating dishes without rice or wine;
Packet segmentation module, carries out segmentation for the quality of eating dishes without rice or wine according to user to MAC-d/c PDU packet, comprising: if U-BLER ue<U-BLER lowand U-RTBS ue_cqi>U-RTBS high, then support that the MAC-d/c PDU of the MAC-d/c PDU segmentation of random length and any situation is multiplexing;
If U-BLER ue>U-BLER highand U-RTBS ue_cqi<U-RTBS low, then UE only transmitting system information; If U-BLER ue>U-BLER highand U-RTBS ue_cqi<U-RTBS high, segmentation scales is n 1; n 1value be no more than 30% little value, the filling bit length of reserved 70% is used in new filling; If U-BLER ue<U-BLER lowand U-RTBS ue_cqi>U-RTBS low, segmentation scales is n 2; n 2value be not less than 70% high level, the filling bit length of reserved 30% is used in new filling; If U-BLER low<=U-BLER ue<=U-BLER highand U-RTBS low<=U-RTBS ue_cqi<=U-RTBS high, segmentation scales is n 3, n 3value be about 50%, the filling bit length of reserved 50% is used in new filling; Other any situation segmentation scales are n 2, wherein:
U-RTBS lowfor UE feeds back to the MAC-ehs PDU bit length low threshold of NB; U-RTBS highfor UE feeds back to the MAC-ehs PDU bit length high threshold of NB; N-BLER lowfor the Block Error Rate low threshold of the upstream data that UE receives Block Error Rate according to the downlink data of monitoring and feed back; U-BLER highfor the Block Error Rate high threshold of the upstream data that UE receives Block Error Rate according to the downlink data of monitoring and feed back; U-RTBS ue_cqifor UE reports the MAC-i PDU bit length of NB; U-BLER uefor the smooth value of the Block Error Rate of current UE monitoring.
8. equipment as claimed in claim 7, it is characterized in that, quality determination module is positioned at UE, is further used for according to U-RTBS low, U-RTBS high, U-BLER low, U-BLER high, U-RTBS ue_cqi, U-BLER uedetermine the quality of eating dishes without rice or wine of user.
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