CN104396317B - Method, base station, user equipment and the system that parsing extended power surplus reports - Google Patents

Method, base station, user equipment and the system that parsing extended power surplus reports Download PDF

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Publication number
CN104396317B
CN104396317B CN201280074203.4A CN201280074203A CN104396317B CN 104396317 B CN104396317 B CN 104396317B CN 201280074203 A CN201280074203 A CN 201280074203A CN 104396317 B CN104396317 B CN 104396317B
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phr
mac
length
mce
extension
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CN104396317A (en
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陈召娣
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/365—Power headroom reporting

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the invention provides a kind of method, base station, user equipment and systems that parsing extended power surplus reports, it is related to the communications field, the described method includes: the MAC subheader for receiving media access control MAC Packet Data Unit PDU, the MAC PDU that user equipment (UE) is sent includes reserved bit position R, extended bit position E and Logic Channel Identifier LCID；Obtain the LCID in the MAC subheader；The corresponding media control element MCE of the MAC subheader is obtained according to the LCID, reports PHR to parse the extended power surplus in the MCE.The base station includes: receiving module, obtains module and parsing module.The user equipment (UE) includes: setup module and sending module.The system comprises: base station and user equipment.The problem of present invention can be to avoid L field waste of resource be arranged in MAC subheader；In addition, reducing the complexity of parsing extension PHR without judging whether parsing is correct according to L field.

Description

Method, base station, user equipment and the system that parsing extended power surplus reports
Technical field
The present invention relates to the communications field, in particular to a kind of method that parsing extended power surplus reports, base station user are set Standby and system.
Background technique
LTE-A (Long Term Evolution-Advanced, senior long term evolution) system introduces CA (Carrier Aggregation, carrier wave polymerization) technology, make UE (User Equipment, user equipment) can be on multiple cells (Cell) It works at the same time.Wherein, a cell includes a pair of uplink/downlink CC (Component Carrier, member carrier).In order to make Lte-a system and LTE (Long Term Evolution, long term evolution) system compatible, at present it is generally acknowledged that UE at most can be simultaneously It works in 5 cells, i.e. CC is up to 5 pairs, and uplink CC is up to 5.
After UE networks, the transmission power of transmission power and current uplink user that UE is supported according to uplink user maximum into Row difference calculates, and generates extension PHR (Power Headroom Report, power headroom reporting) according to the difference, and by the expansion PHR addition is opened up in MAC (Media Access Control, media access control) PDU (Packet Data Unit, packet count According to unit) MCE (MAC Control Element, media control element) in be sent to E-UTRAN (Evolved Universal Mobile Telecommunications System Terrestrial Radio Access Network, The Universal Mobile Communication System land radio access web of evolution), to report the power headroom of each CC of UE to E-UTRAN, make E-UTRAN determines the size of uplink transmission power next time according to the power headroom, to guarantee that power maximally utilizes and do not surpass User's maximum transmission power out.
In the prior art, the length of MCE is variable, and therefore, it is necessary to L field is arranged in the corresponding MAC subheader of MCE to refer to Show the length of the MCE.Correspondingly, obtaining the Length Indication L field of the corresponding MCE of the MAC subheader when solution parsing MAC subheader, working as solution When analysing the extension PHR in the corresponding MCE of the MAC subheader, the extension PHR content that is obtained after the Length Indication and parsing that will acquire Length is compared, if length is identical, parsing is correct；If length is different, E-UTRAN carries out it fault-tolerant or abandons Processing.
In the prior art, the L field in MAC subheader occupies multiple bits, wastes resource；In addition, the prior art is also Need to judge according to L field whether parsing is correct, increases the complexity of parsing extension PHR.
Summary of the invention
The embodiment of the invention provides a kind of parsing extended power the surplus method, base station, user equipment and the system that report, To save resource, the complexity of parsing extension PHR is reduced.The technical solution is as follows:
In a first aspect, providing a kind of method that parsing extended power surplus reports, which comprises
Receive media access control MAC Packet Data Unit PDU, MAC of the MAC PDU that user equipment (UE) is sent Head includes reserved bit position R, extended bit position E and Logic Channel Identifier LCID；
Obtain the LCID in the MAC subheader；
The corresponding media control element MCE of the MAC subheader is obtained according to the LCID, to the extension function in the MCE Rate surplus reports PHR to be parsed.
Under the first possible implementation of first aspect, to the extended power surplus in the MCE report PHR into Row parsing, comprising:
Read the index of a certain member carrier CC in the extension PHR；
Judge whether a certain CC reports PHR according to the index；
If so, being parsed to the corresponding PHR of a certain CC described in the extension PHR.
The possible implementation of with reference to first aspect the first, in second of possible implementation of first aspect Under, it is described that the corresponding PHR of a certain CC described in the extension PHR is parsed, comprising:
Read the flag bit of maximum transmission power in the corresponding PHR of a certain CC described in the extension PHR；
Judge whether a certain CC reports the maximum transmission power according to the flag bit；
If so, reading the maximum transmission power.
The possible implementation of with reference to first aspect the first, in the third possible implementation of first aspect Under, it is described that the corresponding PHR of a certain CC described in the extension PHR is parsed, comprising:
Read the power headroom PH in the corresponding PHR of a certain CC described in the extension PHR.
Under the 4th kind of possible implementation of first aspect, the method also includes:
If the MAC PDU includes MAC Service Data Unit SDU, according to the index of all CC in the extension PHR The flag bit of maximum transmission power calculates the length of the MAC SDU in PHR corresponding with all CC described in the extension PHR Degree reads the MAC SDU according to the length.
Second aspect provides a kind of method that parsing extended power surplus reports, which comprises
It is added in the corresponding media control element MCE of MAC subheader of media access control MAC Packet Data Unit PDU Extended power surplus reports PHR, and the Logic Channel Identifier in the corresponding MAC subheader of the MCE is arranged according to the MCE LCID, the MAC subheader include reserved bit position R, extended bit position E and the LCID；
The MAC PDU is sent to base station, so that the base station is according to the institute in the MAC subheader of the MAC PDU LCID is stated to obtain the corresponding MCE of the MAC subheader and parse the extension PHR in the MCE.
The third aspect, provides a kind of base station, and the base station includes:
Receiving module, it is described for receiving the media access control MAC Packet Data Unit PDU of user equipment (UE) transmission The MAC subheader of MAC PDU includes reserved bit position R, extended bit position E and Logic Channel Identifier LCID；
Module is obtained, for obtaining the LCID in the MAC subheader；
Parsing module, for obtaining the corresponding media control element MCE of the MAC subheader according to the LCID, to described Extended power surplus in MCE reports PHR to be parsed.
Under the first possible implementation of the third aspect, the parsing module includes:
Reading unit, for reading the index of a certain member carrier CC in the extension PHR；
Judging unit, for judging whether a certain CC reports PHR according to the index；
Resolution unit, if judging that a certain CC has reported the PHR for the judging unit, to the expansion The corresponding PHR of a certain CC described in exhibition PHR is parsed.
In conjunction with the first possible implementation of the third aspect, in second of possible implementation of the third aspect Under, the resolution unit, for reading maximum transmission power in the corresponding PHR of a certain CC described in the extension PHR Flag bit；Judge whether a certain CC reports the maximum transmission power according to the flag bit；If so, described in reading most Big transmission power.
In conjunction with the first possible implementation of the third aspect, in the third possible implementation of the third aspect Under, the resolution unit is also used to read the power headroom PH in the corresponding PHR of a certain CC described in the extension PHR.
Under the 4th kind of possible implementation of the third aspect, the base station further include:
Read module, if including MAC Service Data Unit SDU for the MAC PDU, according to the extension PHR In all CC index and the extension PHR described in the corresponding PHR of all CC maximum transmission power flag bit calculating institute The length for stating MAC SDU reads the MAC SDU according to the length.
Fourth aspect, provides a kind of base station, and the base station includes:
Receiver, for receiving media access control MAC the Packet Data Unit PDU, the MAC of user equipment (UE) transmission The MAC subheader of PDU includes reserved bit position R, extended bit position E and Logic Channel Identifier LCID；
Processor, for obtaining the LCID in the MAC subheader；The MAC subheader pair is obtained according to the LCID The media control element MCE answered reports PHR to parse the extended power surplus in the MCE.
Under the first possible implementation of fourth aspect, the processor is also used to read in the extension PHR The index of a certain member carrier CC；Judge whether a certain CC reports PHR according to the index；If it is judged that described a certain CC has reported the PHR, then parses to the corresponding PHR of a certain CC described in the extension PHR.
In conjunction with the first possible implementation of fourth aspect, in second of possible implementation of fourth aspect Under, the processor is also used to read maximum transmission power in the corresponding PHR of a certain CC described in the extension PHR Flag bit；Judge whether a certain CC reports the maximum transmission power according to the flag bit；If so, described in reading most Big transmission power.
In conjunction with the first possible implementation of fourth aspect, in the third possible implementation of fourth aspect Under, the processor is also used to read the power headroom PH in the corresponding PHR of a certain CC described in the extension PHR.
Under the 4th kind of possible implementation of fourth aspect, the processor, if being also used to the MAC PDU packet SDU containing MAC Service Data Unit then extends all CC described in the index and the extension PHR of all CC in PHR according to described The flag bit of maximum transmission power calculates the length of the MAC SDU in corresponding PHR, reads the MAC according to the length SDU。
5th aspect, provides a kind of user equipment (UE), the UE includes:
Setup module, for the corresponding media control of MAC subheader in media access control MAC Packet Data Unit PDU Extended power surplus is added in element M CE and reports PHR, and is arranged in the corresponding MAC subheader of the MCE according to the MCE Logic Channel Identifier LCID, the MAC subheader include reserved bit position R, extended bit position E and the LCID；
Sending module, for sending the MAC PDU to base station, so that the base station is according to the MAC PDU The LCID in MAC subheader obtains the corresponding MCE of the MAC subheader and carries out to the extension PHR in the MCE Parsing.
6th aspect, provides a kind of user equipment (UE), the UE includes:
Processor, for the corresponding media control member of MAC subheader in media access control MAC Packet Data Unit PDU Extended power surplus is added in plain MCE and reports PHR, and is arranged in the corresponding MAC subheader of the MCE according to the MCE Logic Channel Identifier LCID, the MAC subheader include reserved bit position R, extended bit position E and the LCID；
Transmitter, for sending the MAC PDU to base station, so that the base station is according to the MAC of the MAC PDU The LCID in subheader obtains the corresponding MCE of the MAC subheader and solves to the extension PHR in the MCE Analysis.
7th aspect provides a kind of system that parsing extended power surplus reports, the system comprises: it is as described above Base station and user equipment (UE) as described above.
The beneficial effect of technical solution provided in an embodiment of the present invention is:
MAC subheader by receiving MAC PDU, the MAC PDU that UE is sent includes R, E and LCID；Obtain the MAC The LCID in subheader；Obtain the corresponding MCE of the MAC subheader according to the LCID, to the extension PHR in the MCE into The problem of row parses, can be to avoid L field waste of resource is arranged in MAC subheader；In addition, without judging to parse according to L field It is whether correct, reduce the complexity of parsing extension PHR.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is the method flow diagram that the parsing extended power surplus that the embodiment of the present invention one provides reports；
Fig. 2 is the structural schematic diagram for the MAC PDU that the embodiment of the present invention one provides；
Fig. 3 is the structural schematic diagram for the MAC subheader that the embodiment of the present invention one provides；
Fig. 4 is the method flow diagram that the parsing extended power surplus that the embodiment of the present invention one provides reports；
Fig. 5 is the method flow diagram that parsing extended power surplus provided by Embodiment 2 of the present invention reports；
Fig. 6 is the structural schematic diagram of extension PHR provided by Embodiment 2 of the present invention；
Fig. 7 is a kind of structural schematic diagram for the base station that the embodiment of the present invention three provides；
Fig. 8 is another structural schematic diagram for the base station that the embodiment of the present invention three provides；
Fig. 9 is a kind of structural schematic diagram for the base station that the embodiment of the present invention four provides；
Figure 10 is a kind of structural schematic diagram for the user equipment that the embodiment of the present invention five provides；
Figure 11 is a kind of structural schematic diagram for the user equipment that the embodiment of the present invention six provides；
Figure 12 is a kind of structural schematic diagram for the system that the parsing extended power surplus that the embodiment of the present invention seven provides reports.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail.
Embodiment one
A kind of method that parsing extended power surplus reports is present embodiments provided, this method is by omitting in MAC subheader Original length L field, and then simplify the process of parsing extension PHR.Referring to Fig. 1, method flow includes:
101: receiving the MAC PDU that UE is sent, the MAC subheader of the MAC PDU includes reserved bit position R, extended bit position E With LCID (Logical Channel Identity, Logic Channel Identifier).
The structural schematic diagram of MAC PDU shown in Figure 2, MAC PDU include MAC header, MAC SDU (Service Data Unit, service data unit), MCE and filler (Padding).One MAC header is by one or more MAC subheader groups At the corresponding MAC SDU or MCE of each MAC subheader or filler.Wherein, the length of MAC header and MAC SDU are variable.? In MAC PDU, it is finally filler that MCE, which up front, is followed by MAC SDU, and MCE, MAC SDU and filler are respectively right Sequence and its sequence consensus among MAC PDUs of the subheader answered in MAC header.
The structural schematic diagram of MAC subheader shown in Figure 3, in the present embodiment, MAC subheader is by R, R, E and LCID group At, wherein R is reserved bit position；E is extended bit position, and being used to refer to next byte is MAC subheader or MAC load；LCID For identifying the logical channel number of the corresponding load of MAC subheader.
102: obtaining the LCID in MAC subheader.
103: the corresponding MCE of MAC subheader being obtained according to LCID, the extension PHR in the MCE is parsed.
In lte-a system, PH (Power Headroom, power headroom) is for PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel), specifically: PH=Pcmax-PPUSCH, wherein PcmaxIt is that UE meets radio frequency Maximum transmission power in the case of index, PPUSCHFor the transmission power of UE.
Wherein, the extension PHR in MCE is parsed, may include:
Read the index of a certain CC in extension PHR；
Judge whether a certain CC reports PHR according to index；
If so, being parsed to the corresponding PHR of a certain CC of this in PHR is extended.
Wherein, the corresponding PHR of CC a certain to this in extension PHR is parsed, and may include:
Read the flag bit of maximum transmission power in the corresponding PHR of a certain CC of this in extension PHR；
Judge whether a certain CC reports maximum transmission power according to flag bit；
If so, reading maximum transmission power.
Wherein, the corresponding PHR of CC a certain to this in extension PHR is parsed, and may include:
Read the PH in the corresponding PHR of a certain CC of this in extension PHR.
Wherein, the above method can also include:
If MAC PDU includes MAC SDU, according to all CC pairs in the index of all CC in extension PHR and extension PHR The flag bit of maximum transmission power calculates the length of MAC SDU in the PHR answered, reads MAC SDU according to the length.
The present embodiment additionally provides a kind of method that parsing extended power surplus reports, and referring to fig. 4, method flow includes:
401: the addition extension PHR in the corresponding MCE of MAC subheader of MAC PDU, and it is corresponding according to MCE the MCE to be arranged LCID in MAC subheader, the MAC subheader include reserved bit position R, extended bit position E and LCID.
402: MAC PDU is sent to base station, so that base station obtains the MAC according to the LCID in the MAC subheader of the MAC PDU The corresponding MCE of subheader and the extension PHR in the MCE is parsed.
The above method provided in this embodiment, the MAC PDU sent by receiving UE, the MAC subheader of the MAC PDU include R, E and LCID；Obtain the LCID in MAC subheader；The corresponding MCE of MAC subheader is obtained according to LCID, to the extension PHR in the MCE Parsed, can to avoid in MAC subheader be arranged L field waste of resource the problem of；In addition, without judging to solve according to L field Whether analysis is correct, reduces the complexity of parsing extension PHR.
In addition, if MAC PDU includes MAC SDU, by according to the index of all CC in extension PHR and extension PHR In in the corresponding PHR of all CC the flag bit of maximum transmission power calculate the length of MAC SDU, MAC is read according to the length SDU is not necessarily to according to L field computational length, so as to avoid the problem that L field waste of resource is arranged in MAC subheader.
Embodiment two
A kind of method for reporting of parsing extended power surplus is present embodiments provided, in conjunction with the content of above-described embodiment one, Referring to Fig. 5, method flow provided in this embodiment includes:
501:UE adds extension PHR in the corresponding MCE of MAC subheader of MAC PDU, and the MCE is arranged according to MCE and corresponds to MAC subheader in LCID, the MAC subheader include reserved bit position R, extended bit position E and LCID.
Wherein, MAC PDU structure as shown in Fig. 2, the structure of MAC subheader as shown in figure 3, structure shown in Fig. 2 and Fig. 3 The associated description of step 101 during see the above embodiment 1 for details is specifically described, details are not described herein again.
Further, it is one corresponding to can be seen that each MAC subheader for the structural schematic diagram of MAC PDU as shown in Figure 2 MCE or MAC SDU or filler.The present embodiment is illustrated by taking the corresponding MCE of a MAC subheader as an example, then UE can be right MAC subheader is configured, which includes reserved bit position R, extended bit position E and LCID.Specifically, UE is at each It is added to the LCID of the logic channel where the corresponding MCE of the MAC subheader in MAC subheader, is somebody's turn to do so that base station is obtained according to LCID The corresponding MCE of MAC subheader.
502:UE sends MAC PDU to base station.
503: base station receives the MAC PDU that UE is sent, and the MAC subheader of the MAC PDU includes reserved bit position R, ratio Special position E and LCID.
504: base station obtains the LCID in MAC subheader.
After base station receives the MAC PDU that UE is sent, by parsing the MAC subheader, can therefrom it get in MAC subheader LCID, to be patrolled according to the logic channel where the LCID in each MAC subheader clearly corresponding MCE of the MAC subheader from this It collects and obtains the corresponding MCE of the MAC subheader on channel.
505: base station obtains the corresponding MCE of MAC subheader according to LCID, parses to the extension PHR in the MCE.
It, can be to the extension PHR in the MCE after base station obtains MCE on the logic channel that LCID is identified in the present embodiment It is parsed.
The structural schematic diagram of extension PHR shown in Figure 6, each parameter that extension PHR includes are as follows:
R: reserved bit position is set as 0, occupies a bit；
Ci: the index of the CC marked as i occupies a bit；
Further, lte-a system divides into main plot (Primary Cell) and secondary cell (Secondary for small Cell), and UE polymerization cell in only one main plot.PUCCH (Physical is configured on the CC of main plot Uplink Control Channel, Physical Uplink Control Channel), PUCCH is not present on the CC of other secondary cells.
Correspondingly, defining the two kinds of PH that PHR includes for main plot:
Class1: PHPUSCH=Pcmax-PPUSCH；
Type 2:PHPUSCH=Pcmax-PPUSCH-PPUCCH；
For secondary cell, since there is no PUCCH, then a type of PH that PHR includes is defined:
Class1: PHPUSCH=Pcmax-PPUSCH。
It, can be by C for the ease of distinguishingiSpecially CI- type, with the clearly CiType.
Below in case where CC is up to 5, the realization process of the embodiment of the present invention is illustrated, the value of i For [0,5].The present embodiment identifies C with 1I- typeIt has reported corresponding PHR, has identified C with 0i-TypeCorresponding PHR is not reported.
P: the flag bit of back-off occupies a bit；
V: maximum transmission power PcmaxFlag bit, occupy a bit；
The present embodiment includes P with 0 to identify the PHRcmax, do not include P with 1 to identify the PHRcmax。
PH: power headroom occupies six bits；
It can be specially PH (type, cell) by PH in the present embodiment, to identify the PH corresponding to which CC.
Pcmax: maximum transmission power occupies six bits；
It, can be by P in the present embodimentcmaxSpecially PCmax, Ci- type, to identify the PcmaxCorresponding to which CC.
For ease of description, all parameters that the present embodiment reports a certain CC are known as PHR corresponding with a certain CC, PHR includes PH, V, P, PcmacAnd R parameter, then extending PHR includes multiple CC and multiple PHR, and each PHR corresponds to one CC。
Specifically, the extension PHR in MCE is parsed, may include:
Read the index of a certain CC in extension PHR；
Judge whether a certain CC reports PHR according to index；
If so, being parsed to the corresponding PHR of a certain CC of this in PHR is extended.
Wherein, according to from low level to a high position, sequence from top to bottom is read out extension PHR for base station.With shown in fig. 6 Extend PHR structural schematic diagram for be illustrated, then the first row data are read in base station first, to the first row data by low level to High-order reading order is: R, R, C1-1、C1-2、C2-1、C3-1、C4-1And C5-1, when the first row reading data is completed, base station is downward The second row data are read, the reading order to the second row data little-endian is: PH (1, main plot), V and P, when second When row reading data is completed, the third line data are read downwards in base station, and the reading order to the third line data little-endian is: PCmax, C1-1, R and R, and so on, until the MCE has been read in base station.As reading CI- typeWhen, if a certain C readI- type's Numerical value is 1, then has read all CI- typeAfterwards, to a certain CI- typeCorresponding PHR is read out；If that reads is a certain CI- typeNumerical value be 0, then read all CI- typeAfterwards, to a certain CI- typeThe C that numerical value later is 1I- typeCorresponding PHR into Row is read.
In the present embodiment, PHR corresponding to CC a certain in extension PHR is parsed, and may include:
Read the PH in extension PHR in the corresponding PHR of a certain CC.
Further, PHR corresponding to CC a certain in extension PHR is parsed, and may include:
Read the flag bit of maximum transmission power in the corresponding PHR of a certain CC in extension PHR；
Judge whether a certain CC reports maximum transmission power according to flag bit；
If so, reading maximum transmission power.
In the present embodiment, as a certain C of readingI- typeWhen corresponding PHR, if the flag bit of the maximum transmission power read Numerical value is 0, then identifying the PHR includes PCmax, Ci- type, to the PCmax, Ci- typeIt is read out；If the maximum transmission power read The numerical value of flag bit be 1, then identify the PHR not comprising PCmax, Ci- type, then the reading terminated after P to the PHR is read.
In the present embodiment, base station can be according to the PH and P of above-mentioned readingCmax, Ci- typeDetermine uplink transmission power next time Size, to guarantee that power maximally utilizes and without departing from user's maximum transmission power.
506: if MAC PDU includes MAC SDU, base station is according to the index and extension PHR for extending all CC in PHR In in the corresponding PHR of all CC the flag bit of maximum transmission power calculate the length of MAC SDU, MAC is read according to the length SDU。
Due to not including L field in MAC PDU in the last one MAC subheader, if MAC subheader is corresponding is for the last one MCE then directly reads the MCE, without calculating the length of the MCE；If the last one corresponding MAC subheader is MAC SDU then needs to be read out the MAC SDU after the length for calculating the MAC SDU.
Specifically, the length that PHR is extended in each MCE can be calculated, the total length of MAC PDU and every as known to base station The length of one MAC subheader is fixed, then is expanded according in the total length of MAC PDU, the length of each MAC subheader and each MCE The length of exhibition PHR can calculate the length of MAC SDU.
Wherein, the calculating for extending the length of PHR can be based on CI- typeAnd V.Specifically, work as CI- typeNumerical value be 1 when, should CI- typePHR has been reported, then has read the V in the PHR, if the numerical value of V is 0, identifying the PHR includes PCmax, Ci- type, at this time should PHR occupies 16 bits, if the numerical value of V is 1, identifies the PHR not comprising PCmax, Ci- type, the PHR occupies 8 ratios at this time Special position, and so on, until calculating all CI- typeThe length of corresponding PHR adds 6 CI- typeWith 2 R occupied 8 The length of extension PHR can be obtained in a bit.
Assuming that C in extension PHRI- typeBe arranged as C1- Class1、C1- type 2、C2- Class1、C3- Class1、C4- Class1And C5- Class1, they are right The numerical value answered is respectively 1,1,1,0,1 and 1, due to C3- Class1Extension PHR is not reported, the length of corresponding extension PHR is 0, into One step assumes C1- Class1、C1- type 2、C2- Class1、C4- Class1And C5- Class1The numerical value of corresponding V is respectively 0,1,1,1 and 0, then C1- Class1With C5- Class1The length of corresponding extension PHR is 8bit, C1- type 2、C2- Class1And C4- Class1The length of corresponding extension PHR Degree is 16bit, in addition 6 CI- typeWith occupied 8 bits of 2 R, then total length L=8+8+16+16+ of PHR is extended 16+8=72 (bit).Assuming that the total length of MAC PDU is 256 (bit), MAC PDU includes 3 MAC subheaders and each MAC The length of subheader is 8 (bit), and the length of PHR is respectively 64 (bit) and 72 (bit) in the corresponding MCE of the first two MAC subheader, then Length L '=256-8 × 3-64-72=96 (bit) of MAC SDU.
The above method provided in this embodiment, the MAC PDU sent by receiving UE, the MAC subheader of the MAC PDU include R, E and LCID；Obtain the LCID in MAC subheader；The corresponding MCE of MAC subheader is obtained according to LCID, to the extension PHR in the MCE Parsed, can to avoid in MAC subheader be arranged L field waste of resource the problem of；In addition, without judging to solve according to L field Whether analysis is correct, reduces the complexity of parsing extension PHR.
In addition, if MAC PDU includes MAC SDU, by according to the index of all CC in extension PHR and extension PHR In in the corresponding PHR of all CC the flag bit of maximum transmission power calculate the length of MAC SDU, MAC is read according to the length SDU is not necessarily to according to L field computational length, so as to avoid the problem that L field waste of resource is arranged in MAC subheader.
Embodiment three
Referring to Fig. 7, a kind of base station is present embodiments provided, which includes:
Receiving module 701, for receiving the MAC PDU of UE transmission, the MAC subheader of the MAC PDU includes R, E and LCID；
Module 702 is obtained, for obtaining the LCID in MAC subheader；
Parsing module 703 solves the extension PHR in the MCE for obtaining the corresponding MCE of MAC subheader according to LCID Analysis.
Referring to Fig. 8, in the present embodiment, parsing module 703 may include:
Reading unit 703A, for reading the index of a certain CC in extension PHR；
Judging unit 703B, for judging whether a certain CC reports PHR according to index；
Resolution unit 703C, for if it is determined that unit 703A judges that a certain CC has reported PHR, then to extension PHR In the corresponding PHR of a certain CC parsed.
In the present embodiment, resolution unit 703C, for emission maximum function in the corresponding PHR of CC a certain in reading extension PHR The flag bit of rate；Judge whether a certain CC reports maximum transmission power according to flag bit；If so, reading maximum transmission power.
In the present embodiment, resolution unit 703C is also used to read the PH in extension PHR in the corresponding PHR of a certain CC.
Referring to Fig. 8, in the present embodiment, which can also include:
Read module 704 owns if including MAC Service Data Unit SDU for MAC PDU according in extension PHR The flag bit of maximum transmission power calculates the length of MAC SDU, root in the index of CC PHR corresponding with CC all in extension PHR MAC SDU is read according to the length.
Above-mentioned base station provided in this embodiment, the MAC PDU sent by receiving UE, the MAC subheader of the MAC PDU include R, E and LCID；Obtain the LCID in MAC subheader；The corresponding MCE of MAC subheader is obtained according to LCID, to the extension PHR in the MCE Parsed, can to avoid in MAC subheader be arranged L field waste of resource the problem of；In addition, without judging to solve according to L field Whether analysis is correct, reduces the complexity of parsing extension PHR.
In addition, if MAC PDU includes MAC SDU, by according to the index of all CC in extension PHR and extension PHR In in the corresponding PHR of all CC the flag bit of maximum transmission power calculate the length of MAC SDU, MAC is read according to the length SDU is not necessarily to according to L field computational length, so as to avoid the problem that L field waste of resource is arranged in MAC subheader.
Example IV
Referring to Fig. 9, a kind of base station is present embodiments provided, which includes:
Receiver 901, for receiving the MAC PDU of UE transmission, the MAC subheader of the MAC PDU includes R, E and LCID；
Processor 902, for obtaining the LCID in MAC subheader；The corresponding MCE of MAC subheader is obtained according to LCID, to this Extension PHR in MCE is parsed.
In the present embodiment, processor 902 is also used to read the index of a certain CC in extension PHR；Judge this certain according to index Whether one CC reports PHR；If it is judged that a certain CC has reported PHR, then the corresponding PHR of CC a certain to this in extension PHR into Row parsing.
In the present embodiment, processor 902 is also used to read in extension PHR maximum transmission power in the corresponding PHR of a certain CC Flag bit；Judge whether a certain CC reports maximum transmission power according to flag bit；If so, reading maximum transmission power.
In the present embodiment, processor 902 is also used to read the PH in extension PHR in the corresponding PHR of a certain CC.
In the present embodiment, processor 902 owns if being also used to MAC PDU includes MAC SDU according in extension PHR The flag bit of maximum transmission power calculates the length of MAC SDU, root in the index of CC PHR corresponding with CC all in extension PHR MAC SDU is read according to the length.
Above-mentioned base station provided in this embodiment, the MAC PDU sent by receiving UE, the MAC subheader of the MAC PDU include R, E and LCID；Obtain the LCID in MAC subheader；The corresponding MCE of MAC subheader is obtained according to LCID, to the extension PHR in the MCE Parsed, can to avoid in MAC subheader be arranged L field waste of resource the problem of；In addition, without judging to solve according to L field Whether analysis is correct, reduces the complexity of parsing extension PHR.
In addition, if MAC PDU includes MAC SDU, by according to the index of all CC in extension PHR and extension PHR In in the corresponding PHR of all CC the flag bit of maximum transmission power calculate the length of MAC SDU, MAC is read according to the length SDU is not necessarily to according to L field computational length, so as to avoid the problem that L field waste of resource is arranged in MAC subheader.
Embodiment five
Referring to Figure 10, a kind of user equipment (UE) is present embodiments provided, which includes:
Setup module 1001 for the addition extension PHR in the corresponding MCE of MAC subheader of MAC PDU, and is set according to MCE The LCID in the corresponding MAC subheader of the MCE is set, which includes reserved bit position R, extended bit position E and LCID；
Sending module 1002, for sending MAC PDU to base station, so that base station is according in the MAC subheader of the MAC PDU LCID obtains the corresponding MCE of the MAC subheader and parses to the extension PHR in the MCE.
Above-mentioned UE provided in this embodiment, by adding extension PHR in the corresponding MCE of MAC subheader of MAC PDU, and According to MCE, the LCID in the corresponding MAC subheader of the MCE is set, the MAC subheader include reserved bit position R, extended bit position E and LCID, can to avoid in MAC subheader be arranged L field waste of resource the problem of；In addition, without being according to L field judgement parsing It is no correct, reduce the complexity of parsing extension PHR.
Embodiment six
Referring to Figure 11, a kind of user equipment (UE) is present embodiments provided, which includes:
Processor 1101 for the addition extension PHR in the corresponding MCE of MAC subheader of MAC PDU, and is arranged according to MCE LCID in the corresponding MAC subheader of the MCE, the MAC subheader include reserved bit position R, extended bit position E and LCID；
Transmitter 1102, for sending MAC PDU to base station, so that base station is according in the MAC subheader of the MAC PDU LCID obtains the corresponding MCE of the MAC subheader and parses to the extension PHR in the MCE.
Above-mentioned UE provided in this embodiment, by adding extension PHR in the corresponding MCE of MAC subheader of MAC PDU, and According to MCE, the LCID in the corresponding MAC subheader of the MCE is set, the MAC subheader include reserved bit position R, extended bit position E and LCID, can to avoid in MAC subheader be arranged L field waste of resource the problem of；In addition, without being according to L field judgement parsing It is no correct, reduce the complexity of parsing extension PHR.
Embodiment seven
Referring to Figure 12, a kind of system that parsing extended power surplus reports is present embodiments provided, which includes: base station 1201 and user equipment 1202.
Wherein, base station 1201 can be the base station that embodiment three or example IV provide；User equipment 1202 can be reality Apply the user equipment that example five or embodiment six provide.
Above system provided in this embodiment, the MAC PDU sent by receiving UE, the MAC subheader of the MAC PDU include R, E and LCID；Obtain the LCID in MAC subheader；The corresponding MCE of MAC subheader is obtained according to LCID, to the extension PHR in the MCE Parsed, can to avoid in MAC subheader be arranged L field waste of resource the problem of；In addition, without judging to solve according to L field Whether analysis is correct, reduces the complexity of parsing extension PHR.
In addition, if MAC PDU includes MAC SDU, by according to the index of all CC in extension PHR and extension PHR In in the corresponding PHR of all CC the flag bit of maximum transmission power calculate the length of MAC SDU, MAC is read according to the length SDU is not necessarily to according to L field computational length, so as to avoid the problem that L field waste of resource is arranged in MAC subheader.
It should be understood that base station provided by the above embodiment, user equipment and parsing extended power surplus report be System only the example of the division of the above functional modules, in practical application, can according to need and divide above-mentioned function With being completed by different functional modules, i.e., the internal junction of the system reported base station, user equipment and parsing extended power surplus Structure is divided into different functional modules, to complete all or part of the functions described above.In addition, provided by the above embodiment The embodiment for the method that the system and parsing extended power surplus that base station, user equipment and parsing extended power surplus report report Belong to same design, specific implementation process is detailed in embodiment of the method, and which is not described herein again.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (16)

1. a kind of method that parsing extended power surplus reports, which is characterized in that the described method includes:
Receive the MAC subheader packet of media access control MAC Packet Data Unit PDU, the MAC PDU that user equipment (UE) is sent The R of position containing reserved bit, extended bit position E and Logic Channel Identifier LCID, and the MAC subheader does not include Length Indication L field；
Obtain the LCID in the MAC subheader；
The corresponding media control element MCE of the MAC subheader is obtained according to the LCID, more than the extended power in the MCE Amount reports PHR to be parsed；
The method also includes:
If the MAC PDU includes MAC Service Data Unit SDU, according to all member carrier CC in the extension PHR The flag bit for indexing maximum transmission power in PHR corresponding with all CC described in the extension PHR calculates the extension PHR's Length；
According to the total length of the MAC PDU, the length computation institute of PHR is extended in the length of each MAC subheader and each MCE The length for stating MAC SDU reads the MAC SDU according to the length of the MAC SDU.
2. the method according to claim 1, wherein the extended power surplus in the MCE reports PHR It is parsed, comprising:
Read the index of a certain member carrier CC in the extension PHR；
Judge whether a certain CC reports PHR according to the index；
If so, being parsed to the corresponding PHR of a certain CC described in the extension PHR.
3. according to the method described in claim 2, it is characterized in that, described corresponding to a certain CC described in the extension PHR The PHR is parsed, comprising:
Read the flag bit of maximum transmission power in the corresponding PHR of a certain CC described in the extension PHR；
Judge whether a certain CC reports the maximum transmission power according to the flag bit；
If so, reading the maximum transmission power.
4. according to the method described in claim 2, it is characterized in that, described corresponding to a certain CC described in the extension PHR The PHR is parsed, comprising:
Read the power headroom PH in the corresponding PHR of a certain CC described in the extension PHR.
5. a kind of method that parsing extended power surplus reports, which is characterized in that the described method includes:
Extension is added in the corresponding media control element MCE of MAC subheader of media access control MAC Packet Data Unit PDU Power headroom reporting PHR, and the Logic Channel Identifier in the corresponding MAC subheader of the MCE is arranged according to the MCE LCID, the MAC subheader includes reserved bit position R, extended bit position E and the LCID, and the MAC subheader does not include length Indicate L field；
The MAC PDU is sent to base station, so that the base station is according in the MAC subheader of the MAC PDU LCID obtains the corresponding MCE of the MAC subheader and parses to the extension PHR in the MCE, and described When MAC PDU includes MAC Service Data Unit SDU, according to the index of all member carrier CC and the expansion in the extension PHR The flag bit of maximum transmission power calculates the length of the extension PHR in the corresponding PHR of all CC described in exhibition PHR, and according to MAC described in the length computation of PHR is extended in the total length of the MAC PDU, the length of each MAC subheader and each MCE The length of SDU reads the MAC SDU according to the length of the MAC SDU.
6. a kind of base station, which is characterized in that the base station includes:
Receiving module, for receiving media access control MAC the Packet Data Unit PDU, the MAC of user equipment (UE) transmission The MAC subheader of PDU includes reserved bit position R, extended bit position E and Logic Channel Identifier LCID, and the MAC subheader does not include Length Indication L field；
Module is obtained, for obtaining the LCID in the MAC subheader；
Parsing module, for obtaining the corresponding media control element MCE of the MAC subheader according to the LCID, in the MCE Extended power surplus report PHR to be parsed；
The base station further include:
Read module, if including MAC Service Data Unit SDU for the MAC PDU, according to institute in the extension PHR There is the flag bit of maximum transmission power in the index of CC PHR corresponding with all CC described in the extension PHR to calculate the expansion Open up the length of PHR；According to the total length of the MAC PDU, the length of PHR is extended in the length of each MAC subheader and each MCE Degree calculates the length of the MAC SDU, reads the MAC SDU according to the length of the MAC SDU.
7. base station according to claim 6, which is characterized in that the parsing module includes:
Reading unit, for reading the index of a certain member carrier CC in the extension PHR；
Judging unit, for judging whether a certain CC reports PHR according to the index；
Resolution unit, if judging that a certain CC has reported the PHR for the judging unit, to the extension The corresponding PHR of a certain CC described in PHR is parsed.
8. base station according to claim 7, which is characterized in that the resolution unit, for reading institute in the extension PHR State the flag bit of maximum transmission power in the corresponding PHR of a certain CC；Whether a certain CC is judged according to the flag bit Report the maximum transmission power；If so, reading the maximum transmission power.
9. base station according to claim 7, which is characterized in that the resolution unit is also used to read in the extension PHR Power headroom PH in the corresponding PHR of a certain CC.
10. a kind of base station, which is characterized in that the base station includes:
Receiver, for receiving media access control MAC the Packet Data Unit PDU, the MAC PDU of user equipment (UE) transmission MAC subheader include reserved bit position R, extended bit position E and Logic Channel Identifier LCID, and the MAC subheader do not include length Degree instruction L field；
Processor, the Logic Channel Identifier LCID in MAC subheader for obtaining the MAC PDU；It is obtained according to the LCID The corresponding media control element MCE of the MAC subheader, reports PHR to parse the extended power surplus in the MCE；
The processor, if being also used to the MAC PDU includes MAC Service Data Unit SDU, according to the extension PHR In all CC index and the extension PHR described in the corresponding PHR of all CC maximum transmission power flag bit calculating institute State the length of extension PHR；According to the total length of the MAC PDU, PHR is extended in the length of each MAC subheader and each MCE Length computation described in MAC SDU length, the MAC SDU is read according to the length of the MAC SDU.
11. base station according to claim 10, which is characterized in that the processor is also used to read in the extension PHR The index of a certain member carrier CC；Judge whether a certain CC reports PHR according to the index；If it is judged that described a certain CC has reported the PHR, then parses to the corresponding PHR of a certain CC described in the extension PHR.
12. base station according to claim 11, which is characterized in that the processor is also used to read in the extension PHR The flag bit of maximum transmission power in the corresponding PHR of a certain CC；Judge that a certain CC is according to the flag bit It is no to report the maximum transmission power；If so, reading the maximum transmission power.
13. base station according to claim 11, which is characterized in that the processor is also used to read in the extension PHR Power headroom PH in the corresponding PHR of a certain CC.
14. a kind of user equipment (UE), which is characterized in that the UE includes:
Setup module, for the corresponding media control element of MAC subheader in media access control MAC Packet Data Unit PDU Extended power surplus is added in MCE and reports PHR, and patrolling in the corresponding MAC subheader of the MCE is arranged according to the MCE Channel logo LCID is collected, the MAC subheader includes reserved bit position R, extended bit position E and the LCID, and the MAC subheader Not comprising Length Indication L field；
Sending module, for sending the MAC PDU to base station, so that the base station is according to MAC of the MAC PDU The LCID in head obtains the corresponding MCE of the MAC subheader and parses to the extension PHR in the MCE, And when the MAC PDU includes MAC Service Data Unit SDU, according to the rope of all member carrier CC in the extension PHR The flag bit for drawing maximum transmission power in PHR corresponding with all CC described in the extension PHR calculates the length of the extension PHR The length computation of PHR is extended in degree, and according to the total length of the MAC PDU, the length of each MAC subheader and each MCE The length of the MAC SDU reads the MAC SDU according to the length of the MAC SDU.
15. a kind of user equipment (UE), which is characterized in that the UE includes:
Processor, for the corresponding media control element MCE of MAC subheader in media access control MAC Packet Data Unit PDU Middle addition extended power surplus reports PHR, and the letter of the logic in the corresponding MAC subheader of the MCE is arranged according to the MCE Road identifies LCID, and the MAC subheader includes reserved bit position R, extended bit position E and the LCID, and the MAC subheader does not wrap L field containing Length Indication；
Transmitter, for sending the MAC PDU to base station, so that the base station is according to the MAC subheader of the MAC PDU In the LCID obtain the corresponding MCE of the MAC subheader and the extension PHR in the MCE parsed, with And when the MAC PDU includes MAC Service Data Unit SDU, according to the index of all member carrier CC in the extension PHR The flag bit of maximum transmission power calculates the length of the extension PHR in PHR corresponding with all CC described in the extension PHR The length computation of PHR is extended in degree, and according to the total length of the MAC PDU, the length of each MAC subheader and each MCE The length of the MAC SDU reads the MAC SDU according to the length of the MAC SDU.
16. a kind of system that parsing extended power surplus reports, which is characterized in that the system comprises: in claim 6-9 User equipment (UE) described in described in any item base stations and claim 14；
Alternatively, the system comprises the base stations described in any one of claim 10 to 13 and the UE described in claim 15.
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