WO2011160292A1 - 一种缓冲区数据量等级的上报方法和系统 - Google Patents
一种缓冲区数据量等级的上报方法和系统 Download PDFInfo
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- WO2011160292A1 WO2011160292A1 PCT/CN2010/074276 CN2010074276W WO2011160292A1 WO 2011160292 A1 WO2011160292 A1 WO 2011160292A1 CN 2010074276 W CN2010074276 W CN 2010074276W WO 2011160292 A1 WO2011160292 A1 WO 2011160292A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
Definitions
- the present invention relates to the field of wireless communication technologies, and in particular, to a method and system for reporting a buffer data level in a wireless network. Background technique
- E-UTRAN Evolved Universal Terrestrial Radio Access Network
- LTE Long Term Evolution
- PUSCH Physical Uplink Shared Channel
- An uplink radio resource is allocated to each user terminal (UE, User Equipment) by an evolved base station (eNB, Evolved NodeB).
- eNB evolved base station
- the access technology used by E-UTRAN is Orthogonal Frequency Division Multiplexing (OFDM) technology.
- OFDM Orthogonal Frequency Division Multiplexing
- the RRC (Radio Resource Control) layer of the LTE system sends an RRC message to implement many operations such as establishing an RRC layer link, configuring system parameters, and transmitting UE capability parameters between the UE and the eNB.
- the downlink RRC message is sent on a Physical Downlink Shared Channel (PDSCH).
- PDSCH Physical Downlink Shared Channel
- PBCH Physical Broadcast Channel
- LTE Long Term Evolution
- the control message of the resource allocation by the PUSCH is sent by the eNB to the UE.
- the resource allocation control message is also referred to as an uplink grant (UL Grant, UpLink Grant), and the UL Grant is in the physical downlink control channel (PDCCH, Physical Downlink Control). Send on Channel).
- the LTE system requires the UE to report the status of the data stored in the buffer.
- the report is reported to the eNB in the form of a Buffer Status Report (BSR).
- BSR Buffer Status Report
- the logical channel (LCH, Logical Channel) of the UE is divided into four logical channel groups (LCGs, Logical Channel Groups) according to the priority level.
- the BSR reports all the group numbers of the LCGs and all the groups in the characterization group.
- the buffer data level reported in the BSR report is obtained by the UE according to the amount of data to be transmitted on all LCHs in the actual LCG group by querying a predefined table.
- the buffer data level of each LCG is 6 bits. (bit) indicates that 64 buffer data level levels can be characterized.
- Table 1 BSR table 1).
- Index Buffer Size ( BS ) value Index Buffer Size ( BS ) value [bytes]
- Buffer Size (BS) value indicates the amount of buffer data corresponding to the buffer data level; when the UE reports the BSR, it is based on the data to be transmitted on all LCHs in the actual LCG group. Check the table and report the corresponding buffer data level.
- the buffer data level of each LCG reported in the BSR report is applicable to the LTE single carrier system.
- LTE-Advanced advanced LTE
- LTE-Advanced is the 3GPP (the 3rd Generation Partner Project) organization to meet the requirements of the International Telecommunication Union (ITU, International Telecommunication Union).
- ITU International Telecommunication Union
- the standard LTE-Advanced system introduced is an evolved version based on the LTE release 8 system. It introduces many new technologies to meet the basic needs of IMT-Advanced.
- One of the most important technologies is carrier aggregation.
- Frequency Division Duplex supports up to 80 MHz, time division duplex (TDD, Time Division Duplex).
- TDD Time Division Duplex
- the maximum support is 100MHz, so the amount of data that the UE can transmit is also several times larger than that of LTE.
- MIMO Multiple-Input Multiple-Output
- uplink bandwidth up to 5 times of LTE bandwidth
- uplink dual-stream MIMO tilt relative to LTE single stream
- the predefined BSR table in the LTE system can only represent the maximum 150K data in fine-grained manner, and all other services larger than 150K belong to the same BSR level (level 63). After the data traffic of the LTE-A system is improved, If the BSR table predefined by the LTE system is still used, the high-throughput LTE-A service will make the network unable to distinguish the UE from the 150K to 1500K buffer state, resulting in an inefficient allocation of resources. Summary of the invention
- the main object of the present invention is to provide a method and system for reporting the buffer data level to achieve a more efficient and rational allocation of resources.
- the present invention provides a method for reporting a buffer data level, the method comprising: presetting two buffer data amount level tables, that is, a first table and a second table; the first table is long term evolution (level table buffer data amount LTE) system, the second table to the first table on the basis of the buffer by increasing the maximum amount of data to B- a, to increase the minimum buffer data amount; or by increasing the maximum amount of data buffers to buffer data amount increase ⁇ to the level N TE - ⁇ obtained by the design;
- LTE level table buffer data amount LTE
- the user terminal When reporting the buffer status report (BSR), the user terminal (UE) selects the preset first table or the second table to query to obtain a buffer data amount level;
- the UE sends the queried buffer data volume level to the base station through the BSR.
- the method further includes:
- the method further includes:
- the method further includes:
- the minimum buffer data amount ⁇ LTE using ⁇ max - 4, and " ⁇ determine the design function of the second table, and the preset second table based on the determined design function.
- the method further includes:
- the UE When reporting the BSR, the UE selects the preset table according to the amount of data to be transmitted on all logical channels (LCH) in the logical channel group (LCG), or according to an agreement of the UE and the base station or an indication of the base station. Or the second table is queried to get the buffer data level.
- LCH logical channels
- LCG logical channel group
- the present invention also provides a reporting system for a buffer level, the system comprising: a table preset module, a UE, and a base station, where
- the table preset module is configured to preset two buffer data amount level tables, that is, a first table and a second table; the first table is a buffer data amount level table used by the LTE system, The second table is to increase the minimum buffer data amount by increasing the maximum buffer data amount to ⁇ on the basis of the first table; or increase the buffer data by increasing the maximum buffer data amount to ⁇ __ ⁇ Quantity grade to N TE _ A design;
- the UE is configured to: when the BSR is reported, select the preset first table or the second table to obtain a buffer data amount level, and send the buffer data volume level obtained by the query to the BSR through the BSR.
- Base station when the BSR is reported, select the preset first table or the second table to obtain a buffer data amount level, and send the buffer data volume level obtained by the query to the BSR through the BSR.
- the base station is configured to obtain a buffer data amount level from a BSR reported by the UE.
- the table preset module is further configured to: after increasing the maximum buffer data amount to ⁇ on the basis of the first table, increasing the minimum buffer data amount to ⁇ ⁇ , setting the value of N TE _ A to be less than or equal to The value N of the buffer data amount level used by the LTE system, according to the
- the table preset module is further configured to: after increasing the maximum buffer data amount to the ⁇ _ A and increasing the buffer data amount level to N TE _ A , the minimum buffer data amount used according to LTE B ⁇ , max _ .
- N TE _ A determines a design function of the second table, and presets a second table according to the determined design function.
- the UE is further configured to: when reporting the BSR, select the preset first table or the second table according to the amount of data to be transmitted on all LCHs in the LCG, or according to an agreement of the UE and the base station or an indication of the base station.
- the query is made to get the buffer data level.
- the present invention provides a method and system for reporting a buffer data level.
- the base station allocates an uplink grant according to the buffer data level reported by the UE in the buffer status report, which can make the uplink authorization more It is reasonable and accurate, which effectively improves the scheduling efficiency in carrier aggregation (ie multi-carrier system) and ensures the rational allocation of resources.
- FIG. 1 is a flowchart of a method for reporting a buffer data amount level according to the present invention. detailed description
- each buffer level is designed according to an exponential distribution function.
- the specific design functions are:
- order. 0
- the amount of data (referred to as the minimum buffer data amount), lOBytes in LTE; B represents the maximum buffer data amount, 150,000 bytes in LTE; N represents the maximum buffer data size level, 63 in LTE, buffer data
- the level 63 is used to uniformly express that the buffer data amount is greater than 150,000 Bytes, that is, for the case where the buffer data amount is
- the relative level error of the obtained buffer data level table is about 15%, and the relative level error is comprehensively considered by the system.
- the error level selected after the scheduling efficiency and the signaling overhead reported by the BSR.
- the calculation formula of the above relative level error is:
- the uplink rate of the UE is greatly improved compared to the LTE system.
- the specific multiple is determined by the maximum number of uplink polymerizable carriers and the uplink MIMO order used.
- LTE- The maximum uplink rate of the A system which is the maximum of the LTE-A system. Buffer data amount ⁇
- N_CC the maximum number of uplink polymerizable carriers
- ⁇ the number of uplink MIMO orders used.
- N_CC the maximum number of uplink polymerizable carriers
- ⁇ the number of uplink MIMO orders used.
- the number of uplink aggregatable carriers or the number of uplink hops supported by -A is increased, and all methods in the embodiments of the present invention are equally applicable.
- the high-throughput LTE-A service will make the network unable to distinguish the UE from the 150K to 1500K buffer state, resulting in inefficient resources.
- One disadvantage of this processing is that the relative level error of the new buffer data volume level table will be improved by about 3%, which reduces the scheduling efficiency.
- the UE When the LTE-A UE works only on a single carrier in the LTE-A base station, the UE also According to the new buffer data level table, the BSR is reported to the table, which also reduces the scheduling efficiency to a certain extent. As a result, the resources cannot be allocated efficiently and efficiently, so that the scheduling error of the LTE-A UE working on a single carrier is higher than that of the LTE UE.
- the present invention provides a method for reporting the buffer data level in the LTE-A system. As shown in FIG. 1, the method mainly includes the following steps:
- Step 101 preset two buffer data amount level tables, that is, a first table and a second table; the first table is a buffer data amount level table used by the LTE system, and the second table is a basis of the first table.
- Step 102 When reporting the BSR, the UE selects a preset first table or a second table according to the size of the data to be transmitted on all LCHs in the LCG to obtain a buffer data amount level. Alternatively, according to the agreement between the UE and the base station or the indication of the base station, the preset first table or the second table is selected for querying to obtain a buffer data amount level.
- Step 103 The UE sends the buffered data volume level obtained by the query to the base station by using the BSR.
- the system pre-defines two buffer data volume level tables, a first table (BSR table 1) and a second table (BSR table2).
- the first table is as shown in Table 1 above, and is a buffer data amount level table used by the LTE system; the second table is defined based on Table 1, and there are two predefined schemes: Scheme 1 is improved on the basis of Table 1.
- the N TE _ the value of a is set to the amount of buffer data is less than or equal to the level N LTE system used (i.e. LTE-a buffer data amount of the maximum level N LTE. a ⁇ 63) "relative error level of the program and Table 1 is the same, or is reduced compared to Table 1.
- a second predefined parameters can preclude takes the following two ways:
- B k _ indicates the upper limit value of the buffer data amount range indicated by the buffer data amount level when the buffer data amount level is fc max in the expanded table 1 .
- Solution 2 Increase the maximum buffer data amount based on Table 1. (B Increase the buffer data volume level (N- A The relative level error of this scheme is the same as Table 1.
- a specific design function of the second table is determined according to ⁇ B max _ A , N LTE _ A , and the second table is designed according to the determined specific design function.
- the buffer data level of the first table or the second table is selected for reporting.
- the second table is predefined according to the second mode in the first embodiment.
- Scheme A Determine the specific design function of the second table by _ 4 and crumbl ⁇ .
- g k represents the buffer data magnitude level k in the second table , the upper limit of the buffer data amount range indicated by the buffer data level level; B k+kmax .
- NLiE A+1 indicates that the buffer data amount level in the expanded first table is k+fc Max -N TE _ A +l, the upper limit of the buffer data amount range represented by this buffer data level.
- Scenario B Determine the specific design function of the second table by and ⁇ .
- the buffer data amount range is the left open right closed interval with the lower limit value being ⁇ and the upper limit value; when the buffer data amount level is N - A , the buffer data amount is greater than B N Y.
- the buffer data level in the second table obtained by the expanded table 1 is intercepted according to the method of the preferred embodiment, and the buffer data amount is represented.
- A 1595876
- the indicated buffer data size range is the lower limit value
- the upper limit The value is the left open right closed interval of B K+I ; when the buffer data level is N - A , the buffer data amount is greater than BN LTE _ A -I.
- the buffer data level in the second table obtained by the expanded table 1 and the buffer data amount represented by the expanded table 1 according to the method of the preferred embodiment are shown in Table 3.
- the table buffer is obtained according to the first table or the second table, and the buffer obtained by the table lookup is reported.
- the area data level is given to the base station. If ⁇ ⁇ ⁇ , the table is searched according to the second table, and the buffer data level obtained by the table lookup is reported to the base station; or if X , according to the first table lookup table, report the buffer data level obtained by the lookup table to the base station, if x ⁇ , then according to the second table lookup table, report the buffer data amount level obtained by the lookup table to the base station .
- the UE notifies the base station in the BSR that the UE queries the first table or the second table.
- the base station may query the first table or the second table according to the buffer data volume level reported by the UE according to the information of the first table or the second table that is notified by the UE, and the UE may be informed by the first table or the second table.
- the amount of buffer data is not limited to the buffer data volume level reported by the UE according to the information of the first table or the second table that is notified by the UE.
- the UE when the UE reports the buffer status report BSR, the UE selects the first table or the second table lookup table according to the agreement with the base station or according to the indication of the base station, and reports the buffer data amount level obtained by the table lookup to the base station; After receiving the BSR reported by the UE, according to the agreement with the UE or according to the instruction previously sent to the UE, the first table or the second table is queried according to the buffer data amount level reported by the UE, and the buffer data of the UE can be obtained. the amount.
- the specific UE and base station agreement is that When the uplink carrier allocated by the base station to the UE (the uplink carrier is in the working state) exceeds one, the second table lookup table is selected; otherwise, when the uplink carrier allocated by the base station to the UE (the uplink carrier is in the working state) is only one, Select the first form to look up the table. Specifically, the UE selects the first table or the second table lookup table according to the indication of the base station, and refers to the indication that the UE sends to the UE according to the base station. If the base station instructs the UE to look up the table according to the first table, the UE searches the table according to the first table. If the base station instructs the UE to look up the table according to the second table, the UE looks up the table according to the second table.
- the relative level error of the second table is equal to the relative level error of the first table, which is advantageous for implementing efficient uplink scheduling in the multi-carrier system; on the other hand, when ⁇ is taken 63
- the UE can continue to use 6 bits to indicate the buffer data level, so that the format of the BSR report does not need to be modified, which ensures good backward compatibility and simple protocol style.
- the second table is predefined according to the manner in the first scheme.
- the method described in the first mode of the first method pre-defines the table to ensure that the relative level error of the second table is equal to the relative level error of the first table, and at the same time, to ensure good backward compatibility and a simple protocol.
- Style, N T TP _ A takes 63.
- the specific design functions of the second table are determined by B mi _ A , B__ A , N T TP _ A as:
- a — 1 , k 1,2,... N r ( 6 )
- the buffer data level of the second table obtained by the method of the preferred embodiment of the preferred embodiment and the amount of buffer data represented by it are shown in Table 5.
- the buffer data amount range indicated is the left open right closed interval with the lower limit value B k and the upper limit value B k+1
- the buffer data amount is greater than B N . chorus.
- Table 6 all the buffers of the second table obtained by the method of the preferred embodiment 2 are given. The amount of data in the area and the amount of buffer data it represents.
- the table is checked according to the first table or the second table, and the table is reported.
- the obtained buffer data level is given to the base station. If ⁇ ⁇ ⁇ , the table is searched according to the second table, and the buffer data level obtained by the lookup table is reported to the base station; or, if X , according to the first table lookup table, report the buffer data level obtained by the lookup table to the base station, if x ⁇ , then according to the second table lookup table, report the buffer data amount level obtained by the lookup table to the base station .
- the UE notifies the base station UE whether the first table or the second table is queried in the reported BSR.
- the base station may query the first table or the second table according to the buffer data volume level reported by the UE according to the information of the first table or the second table that is notified by the UE, and the UE may be informed by the first table or the second table.
- the amount of buffer data is not limited to the buffer data volume level reported by the UE.
- the UE when the UE reports the buffer status report BSR, the UE selects the first table or the second table lookup table according to the agreement with the base station or according to the indication of the base station, and reports the buffer data amount level obtained by the table lookup to the base station, the base station.
- the first table or the second table After receiving the BSR reported by the UE, according to the agreement with the UE or according to the instruction previously sent to the UE, the first table or the second table is queried according to the buffer data amount level reported by the UE, and the buffer data of the UE can be obtained. the amount.
- the specific UE and the base station are in agreement that when the uplink carrier allocated by the base station to the UE (the uplink carrier is in the working state) exceeds one, the second table lookup table is selected; otherwise, the uplink carrier allocated by the base station to the UE (the uplink carrier) When only one is in working state, select the first form to look up the table. Specifically, the UE selects the first table or the second table lookup table according to the indication of the base station, and refers to the indication that the UE sends to the UE according to the base station. If the base station instructs the UE to look up the table according to the first table, the UE searches the table according to the first table. If the base station instructs the UE to look up the table according to the first table, the UE looks up the table according to the first table.
- the relative level error of the second table is equal to the relative level error of the first table, which is advantageous for implementing efficient uplink scheduling in the multi-carrier system; on the other hand, when ⁇ is taken 63
- the UE can continue to use 6 bits to indicate the buffer data level, so that the format of the BSR report does not need to be modified, which ensures good backward compatibility and simple protocol style.
- the second table is predefined according to the manner in the first scheme.
- the method described in the first manner of the first method is used to predefine the second table,
- N TE _ A determines that the specific design function of the second table is the formula (6-1).
- fi mn A g3 ⁇ 4 - toMel ( 62)
- ⁇ g3 ⁇ 4 - toMel (61) 10398, i.e., taking the maximum error in the first table
- B max- A A 1500000 ; ⁇ .
- the table is checked according to the first table, and the buffer data level obtained by the table lookup is reported.
- the base station if ⁇ ⁇ ⁇ , then look up the table according to the second table, and report the buffer data level obtained by the lookup table to the base station; or, if X Then, according to the first table lookup table, the buffer data level obtained by the table lookup is reported to the base station. If > ⁇ , the table is searched according to the second table, and the buffer data level obtained by the lookup table is reported to the base station.
- the UE notifies the base station in the foregoing BSR whether the UE queries the first table or the second table, and after receiving the BSR reported by the UE, the base station according to the UE The information of the first table or the second table of the query is notified, and the first table or the second table is queried according to the buffer data amount level reported by the UE, and the buffer data amount of the UE is obtained.
- the UE when the UE reports the buffer status report BSR, the UE selects the first table or the second table lookup table according to the agreement with the base station or according to the indication of the base station, and reports the buffer data amount level obtained by the table lookup to the base station, the base station.
- the first table or the second table After receiving the BSR reported by the UE, according to the agreement with the UE or according to the instruction previously sent to the UE, the first table or the second table is queried according to the buffer data amount level reported by the UE, and the buffer data of the UE is obtained. the amount.
- the agreement between the UE and the base station is: when the uplink carrier allocated by the base station to the UE (the uplink carrier is in the working state) exceeds one, the second table lookup table is selected; otherwise, the uplink carrier allocated by the base station to the UE (the uplink) When the carrier is in working state) is only one, select the first table to look up the table.
- the UE selects the first table or the second table lookup table according to the indication of the base station, and refers to the indication that the UE sends to the UE according to the base station. If the base station instructs the UE to look up the table according to the first table, the UE searches the table according to the first table. If the base station instructs the UE to look up the table according to the second table, the UE looks up the table according to the second table.
- the relative level error of the second table is smaller than the relative level error of the table 1, which is advantageous for realizing efficient uplink scheduling in the multi-carrier system; on the other hand, when ⁇ is taken 63
- the UE can continue to use 6 bits to indicate the buffer data level, so that the format of the BSR report does not need to be modified, which ensures good backward compatibility and simple protocol style.
- the relative level error of the second table is smaller than the relative level error of the first table, and the resource allocation efficiency can be more effectively improved.
- the implementation is because the relative level error of the first table is an acceptable relative level according to the verification. error, so the present embodiment, the first table holding a second table with the same relative error level, i.e.
- the multi-carrier system can be secured
- the preferred embodiment does not specifically describe the content of the table after the reduction of N TE _ A.
- the second table is predefined according to the manner in the first scheme.
- the method described in the first manner of the first method is used to predefine the second table, ⁇ ⁇ , B_ A , N TE _ A determine the specific design function of the second table as:
- the UE When the UE reports the buffer status report, according to the size X of the data to be transmitted on all the LCHs in the actual LCG group, if ⁇ ⁇ ⁇ , the table is searched according to the first table, and the buffer data level obtained by the table lookup is reported to the base station. If ⁇ ⁇ ⁇ , look up the table according to the second table, and report the buffer data level obtained by the lookup table to the base station. The UE notifies the base station in the reported BSR whether the UE queries the first table or the second table.
- the base station may query the first table or the second table according to the buffer data amount level reported by the UE according to the information of the first table or the second table that is notified by the UE, and the UE may be informed by the first table or the second table.
- the amount of buffer data on the one hand, the relative level error of the second table is smaller than the relative level error of the first table, which is advantageous for realizing efficient uplink scheduling in the multi-carrier system; on the other hand, when ⁇ 63
- the UE can continue to use 6 bits to indicate the buffer data level, so that the format of the BSR report does not need to be modified, ensuring good backward compatibility and a simple protocol style.
- the relative level error of the second table is smaller than the relative level error of the first table, and the resource allocation efficiency can be improved more effectively.
- the implementation is because the relative level error of the first table is an acceptable relative according to the verification.
- the level error so in this embodiment, the second table and the first table have the same relative level error, that is, ⁇ ⁇ and ⁇ _ ⁇ maintain the above values, and the value of N TE _ A can be guaranteed.
- the effectiveness of the resource scheduling in the multi-carrier system the preferred embodiment does not specifically describe the content of the table after the reduction of N TE _ A.
- the second table is predefined according to the second scheme.
- the second table increases the maximum buffer data amount based on the first table and increases the buffer data level. According to max _ A , N LTE . A determine the specific design function of the second table is:
- the method obtains the level of all buffer data levels of the second table and the amount of buffer data it represents.
- the relative level error of the second table is equal to the relative level error of the first table, and the buffer data amount from 10Obytes to 1500Kbytes can be characterized by a uniform relative level error, which is advantageous for implementing a multi-carrier system. Efficient uplink scheduling.
- the UE When the UE reports the buffer status report, according to the size X of the data to be transmitted on all the LCHs in the actual LCG group, if ⁇ ⁇ ⁇ , the table is searched according to the first table, and the buffer data level obtained by the table lookup is reported to the base station. If ⁇ ⁇ ⁇ , look up the table according to the second table, and report the buffer data level obtained by the lookup table to the base station. The UE notifies the base station UE whether the first table or the second table is queried in the reported BSR.
- the base station may query the first table or the second table according to the buffer data amount level reported by the UE according to the information of the first table or the second table that is notified by the UE, and the UE may be informed by the first table or the second table.
- the amount of buffer data may be provided.
- the LTE UE accessing the LTE-A system continues to query the first form for reporting the BSR.
- the present invention further provides a reporting system for a buffer data level, comprising: a table preset module, a UE, and a base station.
- the table preset module is configured to preset two buffer data volume level tables, that is, a first table and a second table; the first table is a buffer data volume level table used by the LTE system, and the second table is On the basis of the first table, increase the maximum buffer data amount to ⁇ _ ⁇ and increase the minimum buffer data amount to B ⁇ _ A ; or by increasing the maximum buffer data amount to ⁇ to increase the buffer data level to N diligent E _ A.
- the UE is used to report the BSR, according to all the LCHs in the LCG to be transmitted.
- the query obtains the buffer data volume level; the buffer data volume level obtained by the query is sent to the base station through the BSR.
- the base station is configured to obtain the buffer data volume level from the BSR reported by the UE.
- the table preset module is further configured to: after increasing the maximum buffer data amount to ⁇ on the basis of the first table, increasing the minimum buffer data amount to ⁇ ⁇ , setting the value of N TE _ A to be less than or equal to the LTE system The value N of the buffer data level used, according to ⁇ , B max _ A ⁇ N LTE .
- A determines the design function of the second table, and presets the second table according to the determined design function; or,
- the first table is based on increasing the maximum buffer data amount to ⁇ to increase the minimum buffer data amount to.
- the number of buffer data levels of the first table is expanded to fc max , where B k represents the minimum value of B k ⁇ ⁇ _ A , and B k represents the buffer data level in the expanded first table.
- B k the upper limit of the buffer data amount range indicated by the buffer data amount level
- the area data level, the total buffer data level of the second table is N TE _ A
- the value of N TE _ A is set to be less than or equal to the value of the buffer data level used by the LTE system.
- the table preset module may also be used to increase the maximum buffer data amount to ⁇ to increase the buffer data amount level to N TE _ A , according to the minimum buffer data amount used by LTE B ⁇ .
- max _ N TE — A determines the design function of the second table and presets the second table based on the determined design function.
- the base station allocates an uplink grant according to the buffer data level reported by the UE in the BSR, which can make the uplink grant more reasonable and accurate, thereby effectively Improve scheduling efficiency in carrier aggregation (ie, multi-carrier system) and ensure reasonable allocation of resources.
- carrier aggregation ie, multi-carrier system
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/637,855 US8953459B2 (en) | 2010-06-22 | 2010-06-22 | Method and system for reporting buffer size index |
CN201080059634.4A CN102742345B (zh) | 2010-06-22 | 2010-06-22 | 一种缓冲区数据量等级的上报方法和系统 |
PCT/CN2010/074276 WO2011160292A1 (zh) | 2010-06-22 | 2010-06-22 | 一种缓冲区数据量等级的上报方法和系统 |
EP10853435.5A EP2566274B1 (en) | 2010-06-22 | 2010-06-22 | Method and system for reporting buffer data quantity grade |
RU2012147564/07A RU2539231C2 (ru) | 2010-06-22 | 2010-06-22 | Способ и система сообщения индекса буфера размера |
JP2013515659A JP5575984B2 (ja) | 2010-06-22 | 2010-06-22 | バッファサイズインデックスの報告方法及び報告システム |
Applications Claiming Priority (1)
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Cited By (2)
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WO2014183688A1 (zh) * | 2013-11-11 | 2014-11-20 | 中兴通讯股份有限公司 | 上报bsr的方法、基站和终端、计算机存储介质 |
CN110622605A (zh) * | 2017-06-15 | 2019-12-27 | 富士通株式会社 | 数据指示方法、装置、通信系统 |
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KR101831281B1 (ko) | 2010-04-06 | 2018-02-23 | 삼성전자주식회사 | 이동통신 시스템에서 스케줄링 정보를 처리하는 방법 및 장치 |
HUE063148T2 (hu) * | 2015-05-14 | 2023-12-28 | Ntt Docomo Inc | Felhasználói terminál és eljárás |
US10169391B2 (en) * | 2015-10-21 | 2019-01-01 | International Business Machines Corporation | Index management |
CN106714213B (zh) * | 2016-12-30 | 2019-06-21 | 北京小米移动软件有限公司 | 缓存状态报告bsr上报触发方法、装置和用户终端 |
WO2018198378A1 (ja) * | 2017-04-28 | 2018-11-01 | 富士通株式会社 | 無線端末、無線基地局、無線通信システム、無線通信方法 |
CN110677872B (zh) * | 2017-08-11 | 2020-11-24 | 华为技术有限公司 | 数据传输方法、设备和通信系统 |
JP7208763B2 (ja) * | 2018-10-29 | 2023-01-19 | キヤノン株式会社 | 通信装置、通信装置の制御方法、およびプログラム |
US11671971B2 (en) * | 2019-12-03 | 2023-06-06 | Samsung Electronics Co., Ltd. | Method and system for allocating resource in wireless communication network |
WO2023141912A1 (en) * | 2022-01-28 | 2023-08-03 | Zte Corporation | Buffer status reporting (bsr) techniques |
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- 2010-06-22 EP EP10853435.5A patent/EP2566274B1/en active Active
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- 2010-06-22 RU RU2012147564/07A patent/RU2539231C2/ru active
- 2010-06-22 WO PCT/CN2010/074276 patent/WO2011160292A1/zh active Application Filing
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WO2014183688A1 (zh) * | 2013-11-11 | 2014-11-20 | 中兴通讯股份有限公司 | 上报bsr的方法、基站和终端、计算机存储介质 |
US10075871B2 (en) | 2013-11-11 | 2018-09-11 | Zte Corporation | BSR reporting method, evolved node B, UE and computer storage medium |
CN110622605A (zh) * | 2017-06-15 | 2019-12-27 | 富士通株式会社 | 数据指示方法、装置、通信系统 |
Also Published As
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CN102742345B (zh) | 2015-08-12 |
JP2013534759A (ja) | 2013-09-05 |
RU2539231C2 (ru) | 2015-01-20 |
RU2012147564A (ru) | 2014-07-27 |
CN102742345A (zh) | 2012-10-17 |
US20130016615A1 (en) | 2013-01-17 |
EP2566274A4 (en) | 2017-04-19 |
JP5575984B2 (ja) | 2014-08-20 |
EP2566274A1 (en) | 2013-03-06 |
EP2566274B1 (en) | 2018-12-19 |
US8953459B2 (en) | 2015-02-10 |
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