CN104396317A - Method, base station, user equipment and system for parsing extended power headroom report - Google Patents

Method, base station, user equipment and system for parsing extended power headroom report Download PDF

Info

Publication number
CN104396317A
CN104396317A CN201280074203.4A CN201280074203A CN104396317A CN 104396317 A CN104396317 A CN 104396317A CN 201280074203 A CN201280074203 A CN 201280074203A CN 104396317 A CN104396317 A CN 104396317A
Authority
CN
China
Prior art keywords
phr
mac
mce
base station
certain
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201280074203.4A
Other languages
Chinese (zh)
Other versions
CN104396317B (en
Inventor
陈召娣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN104396317A publication Critical patent/CN104396317A/en
Application granted granted Critical
Publication of CN104396317B publication Critical patent/CN104396317B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Landscapes

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

Abstract

Embodiments of the present invention relate to the field of communication and provide a method, a base station, a user equipment (UE) and a system for parsing an extended power headroom report (PHR). The method comprises: receiving a media access control (MAC) packet data unit (PDU) sent by a UE, wherein a MAC sub-head of the MAC PDU comprises a reserved bit R, an extended bit E and a logic channel identifier (LCID); and obtaining the LCID in the MAC sub-head, obtaining a media control element (MCE) corresponding to the MAC sub-head according to the LCID, and parsing the extended PHR in the MCE. The base station comprises a receiving module, an obtaining module and a parsing module. The UE comprises a setting module and a sending module. The system comprises a base station and a UE. The method, the base station, the UE and the system can prevent a problem of a resource waste caused by L field setting in the MAC sub-head. In addition, parsing correctness does not need to be judged according to the L field, thus reducing complexity in parsing the extended PHR.

Description

METHOD, BASE STATION, USER EQUIPMENT AND SYSTEM FOR PARSING EXTENDED POWER HEADROOM REPORT
Method, base station, user equipment and systems technology field that parsing extended power surplus is reported
It is more particularly to a kind of to parse method, base station user equipment and system that extended power surplus is reported the present invention relates to the communications field.Background technology
LTE-A (Long Term Evolution- Advanced, senior long term evolution）System introduces CA (Carrier Aggregation, carrier aggregation) technology, makes UE (User Equipment, user equipment) can be in multiple cells（Cell worked simultaneously on).Wherein, a cell includes a pair of uplink/downlink CC (Component Carrier, member carrier).In order that LTE-A systems and LTE (Long Term Evolution, Long Term Evolution) system compatible, at present it is generally acknowledged that UE can at most work in 5 cells simultaneously, i.e. CC is up to 5 pairs, and up CC is up to 5.
After UE networks, the transmission power and the transmission power of current uplink user that UE is supported according to uplink user maximum carry out mathematic interpolation, according to difference generation extension PHR (Power Headroom Report, power headroom reporting）And by extension PHR additions in MAC (Media Access Control, medium education) PDU (Packet Data Unit, Packet Data Unit) MCE (MAC Control Element, media control element）In be sent to E-UTRAN (Evolved Universal Mobile Telecommunications System Terrestrial Radio Access Network, the UMTS land radio access web of evolution）, with the power headroom for each CC for reporting UE to E-UTRAN, E-UTRAN is determined the size of uplink transmission power next time according to the power headroom, to ensure that power is maximally utilized and without departing from user's maximum transmission power.
In the prior art, MCE length is variable, accordingly, it would be desirable to which setting L field indicates the length of the MCE in the corresponding MAC subheaders of MCE.Accordingly, when solving parsing MAC subheader, obtain the corresponding MCE of MAC subheaders Length Indication L field, when parsing the extension PHR in the corresponding MCE of the MAC subheaders, the length of the extension PHR contents obtained after the Length Indication and parsing of acquisition is compared, if length is identical, parsing is correct；If length is different, E-UTRAN carries out fault-tolerant Huo Lost to it and abandons processing.
In the prior art, the L field in MAC subheaders occupies multiple bits, wastes resource；Another sunset is foretold, Prior art also needs to judge whether parsing is correct according to L field, adds parsing extension PHR complexity.The content of the invention
Method, base station, user equipment and system that extended power surplus is reported are parsed the embodiments of the invention provide a kind of, to save resource, reduction parsing extension PHR complexity.The technical scheme is as follows：First aspect parses the method that extended power surplus is reported there is provided a kind of, and methods described includes：The MAC subheaders for receiving media access control MAC Packet Data Unit PDU, the MAC PDU that user equipment (UE) is sent include reserved bit position R, extended bit position E and Logic Channel Identifier LCID;
Obtain the LCID in the MAC subheaders;
The corresponding media control element MCE of the MAC subheaders is obtained according to the LCID, reports PHR to parse the extended power surplus in the MCE.
Under the first possible implementation of first aspect, PHR is reported to parse the extended power surplus in the MCE, including：
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 it is, being parsed to the corresponding PHR of a certain CC described in the extension PHR.It is described that the corresponding PHR of a certain CC described in the extension PHR is parsed under second of possible implementation of first aspect with reference to the first possible implementation of first aspect, including：
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 it is, reading the maximum transmission power.
It is described that the corresponding PHR of a certain CC described in the extension PHR is parsed under the third possible implementation of first aspect with reference to the first possible implementation of first aspect, including：
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, methods described also includes：
If the MAC PDU include MAC Service Data Unit SDU, according to the extension PHR In all CC index PHR corresponding with all CC described in the extension PHR in maximum transmission power the flag bit calculating MAC SDU length, according to the length reading MAC SDU.
Second aspect parses the method that extended power surplus is reported there is provided a kind of, and methods described includes：PHR in extended power surplus is added in the media access control MAC Packet Data Unit PDU corresponding media control element MCE of MAC subheaders, and the Logic Channel Identifier LCID in the corresponding MAC subheaders of the MCE is set according to the MCE, the MAC subheaders include reserved bit position R, the extended bit position E and LCID;
Send the MAC PDU to base station, so as to the base station according to the MAC PDU it is described in the extension PHR parsed.
The third aspect includes there is provided a kind of base station, the base station：
Receiving module, reserved bit position R, extended bit position E and Logic Channel Identifier LCID are included for receiving media access control MAC Packet Data Unit PDU, the MAC PDU MAC subheaders of user equipment (UE) transmission;
Acquisition module, for obtaining the LCID in the MAC subheaders;
Parsing module, for obtaining the corresponding media control element MCE of the MAC subheaders according to the LCID, is parsed to PHR in the extended power surplus in the MCE.
Under the first possible implementation of the third aspect, the parsing module includes：
Reading unit, the index for reading 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, is parsed to the corresponding PHR of a certain CC described in the extension PHR.
With reference to the first possible implementation of the third aspect, under second of possible implementation of the third aspect, the resolution unit, the flag bit for reading 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 it is, reading the maximum transmission power.
With reference to the first possible implementation of the third aspect, under the third possible implementation of the third aspect, the resolution unit is additionally operable 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 also includes：
Read module, if including MAC Service Data Unit SDU, root for the MAC PDU The length of the MAC SDU is calculated according to the flag bit of maximum transmission power in the index PHR corresponding with all CC described in the extension PHR of all CC in the extension PHR, the MAC SDU are read according to the length.
Fourth aspect includes there is provided a kind of base station, the base station：
Receiver, reserved bit position R, extended bit position E and Logic Channel Identifier LCID are included for receiving media access control MAC Packet Data Unit PDU, the MAC PDU MAC subheaders of user equipment (UE) transmission;
Processor, for obtaining the LCID in the MAC subheaders;The corresponding media control element MCE of the MAC subheaders is obtained according to the LCID, to just blunt PHR is parsed in the extended power surplus in the MCE.
Under the first possible implementation of fourth aspect, the processor is additionally operable to 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 it is judged that a certain CC has reported the PHR, then the corresponding PHR of a certain CC described in the extension PHR is parsed.
With reference to the first possible implementation of fourth aspect, under second of possible implementation of fourth aspect, the processor is additionally operable to 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 it is, reading the maximum transmission power.
With reference to the first possible implementation of fourth aspect, under the third possible implementation of fourth aspect, the processor is additionally operable 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 additionally operable to the MAC PDU includes MAC Service Data Unit SDU, the length of the MAC SDU is then calculated according to the flag bit of maximum transmission power in the index PHR corresponding with all CC described in the extension PHR of all CC in the extension PHR, the MAC SDU are read according to the length.
5th aspect is there is provided a kind of user equipment (UE), and the UE includes：
Setup module, PHR is reported for adding extended power surplus in the corresponding media control element MCE of media access control MAC Packet Data Unit PDU MAC subheaders, and the Logic Channel Identifier LCID in the corresponding MAC subheaders of the MCE is set according to the MCE, the MAC subheaders include reserved bit position R, the extended bit position E and LCID;
Sending module, for sending the MAC PDU to base station, so that the base station is according to the MAC The LCID in the PDU MAC subheaders obtains the corresponding MCE of the MAC subheaders and the extension PHR in the MCE is parsed.
6th aspect is there is provided a kind of user equipment (UE), and the UE includes：
Processor, PHR is reported for adding extended power surplus in the corresponding media control element MCE of media access control MAC Packet Data Unit PDU MAC subheaders, and the Logic Channel Identifier LCID in the corresponding MAC subheaders of the MCE is set according to the MCE, the MAC subheaders include reserved bit position R, the extended bit position E and LCID;
Emitter, for sending the MAC PDU to base station, so that the base station obtains the corresponding MCE of the MAC subheaders according to the LCID in the MAC subheaders of the MAC PDU and is parsed to the extension PHR in the MCE.
7th aspect parses the system that extended power surplus is reported there is provided a kind of, and the system includes：Base station as described above and user equipment (UE) as described above.
The beneficial effect of technical scheme provided in an embodiment of the present invention is：
R, E and LCID are included by the MAC PDU, the MAC PDU that receive UE transmissions MAC subheaders;Obtain the LCID in the MAC subheaders;The corresponding MCE of the MAC subheaders is obtained according to the LCID, the extension PHR in the MCE parsed, the problem of can avoiding setting L field waste of resource in MAC subheaders；In addition, without judging whether parsing is correct according to L field, reducing parsing extension PHR complexity.Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, the accompanying drawing used required in being described below to embodiment is made cylinder and singly introduced, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the method flow diagram that the parsing extended power surplus that the embodiment of the present invention one is provided is reported；Fig. 2 is the structural representation for the MAC PDU that the embodiment of the present invention one is provided；
Fig. 3 is the structural representation for the MAC subheaders that the embodiment of the present invention one is provided；
Fig. 4 is the method flow diagram that the parsing extended power surplus that the embodiment of the present invention one is provided is reported；Fig. 5 is the method flow diagram that the parsing extended power surplus that the embodiment of the present invention two is provided is reported；Fig. 6 is the structural representation for the extension PHR that the embodiment of the present invention two is provided；
Fig. 7 is a kind of structural representation for the base station that the embodiment of the present invention three is provided； Fig. 8 is another structural representation for the base station that the embodiment of the present invention three is provided；
Fig. 9 is a kind of structural representation for the base station that the embodiment of the present invention four is provided；
Figure 10 is a kind of structural representation for the user equipment that the embodiment of the present invention five is provided；
Figure 11 is a kind of structural representation for the user equipment that the embodiment of the present invention six is provided；
Figure 12 is a kind of structural representation for the system that the parsing extended power surplus that the embodiment of the present invention seven is provided is reported.Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment one
A kind of method that parsing extended power surplus is reported is present embodiments provided, this method is by omitting original length L field in MAC subheaders, and then cylinder neutralizing analysis extension PHR process.Referring to Fig. 1, method flow includes：
101:The MAC PDU that UE is sent are received, the MAC subheaders of the MAC PDU include reserved bit position R, extended bit position E and LCID (Logical Channel Identity, Logic Channel Identifier）.
MAC PDU shown in Figure 2 structural representation, MAC PDU include MAC header, MAC SDU (Service Data Unit, service data unit）, MCE and filler（ Padding ).One MAC header is made up of one or more MAC subheaders, each MAC subheader one MAC SDU or MCE of correspondence or filler.Wherein, MAC header and MAC SDU length are variable.In MAC PDU, MCE up front, is followed by MAC SDU, is finally filler, and order in MAC header of MCE, MAC SDU and each self-corresponding subheader of filler and its sequence consensus in MAC PDU.
In the structural representation of MAC subheaders shown in Figure 3, the present embodiment, MAC subheaders are made up of R, R, E and LCID, wherein, R is reserved bit position；E is extended bit position, and it is MAC subheaders or MAC loads to be used to refer to next byte；LCID is used for identifying the logical channel number of the corresponding load of MAC subheaders.
102:Obtain the LCID in MAC subheaders.
103:The corresponding MCE of MAC subheaders is obtained according to LCID, the extension PHR in the MCE is parsed.
In lte-a system, PH (Power Headroom, power headroom）It is to be directed to PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel）, it is specially： PH=Pcmax-PPUSCH, its In,.Ware is that 1^ meets maximum transmission power in the case of RF index, PPUSCHFor UE transmission power.
Wherein, the extension PHR in MCE is parsed, can included：
Read the index of a certain CC in extension PHR；
Judge whether a certain CC reports PHR according to index;
If it is, being parsed to extending the corresponding PHR of a certain CC of this in PHR.
Wherein, the corresponding PHR of CC a certain to this in extension PHR are parsed, and can be included：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 it is, reading maximum transmission power.
Wherein, the corresponding PHR of CC a certain to this in extension PHR are parsed, and can be included：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 include MAC SDU, MAC SDU length is calculated according to the flag bit of maximum transmission power in the PHR corresponding with all CC in extension PHR of all CC index in extension PHR, MAC SDIL are read according to the length
The present embodiment additionally provides a kind of method that parsing extended power surplus is reported, and referring to Fig. 4, method flow includes：
401:The addition extension PHR in the MAC PDU corresponding MCE of MAC subheaders, and the LCID in the corresponding MAC subheaders of the MCE is set according to MCE, the MAC subheaders include reserved bit position R, extended bit position E and LCID.
402:MAC PDU are sent to base station, so that base station obtains the corresponding MCE of the MAC subheaders according to the LCID in the MAC subheaders of the MAC PDU and the extension PHR in the MCE is parsed.
The above method that the present embodiment is provided, by receiving the MAC PDU of UE transmissions, the MAC subheaders of the MAC PDU include R, E and LCID;Obtain the LCID in MAC subheaders;The corresponding MCE of MAC subheaders is obtained according to LCID, the extension PHR in the MCE parsed, the problem of can avoiding setting L field waste of resource in MAC subheaders；In addition, without judging whether parsing is correct according to L field, reducing parsing extension PHR complexity.
In addition, if MAC PDU include MAC SDU, then pass through the length according to the flag bit calculating MAC SDU of maximum transmission power in the PHR corresponding with all CC in extension PHR of all CC index in extension PHR, MAC SDU are read according to the length, without according to L field computational length, so as to The problem of to avoid setting L field waste of resource in MAC subheaders.Embodiment two
A kind of method that parsing extended power surplus is reported is present embodiments provided, with reference to the content of above-described embodiment one, referring to Fig. 5, the method flow that the present embodiment is provided includes：
501:UE adds extension PHR in the MAC PDU corresponding MCE of MAC subheaders, and sets the LCID in the corresponding MAC subheaders of the MCE according to MCE, and the MAC subheaders include reserved bit position R, extended bit position E and LCID.
Wherein, MAC PDU structure is as shown in Fig. 2 the structure of MAC subheaders is as shown in figure 3, the specific descriptions of structure shown in Fig. 2 and Fig. 3 refer to the associated description of step 101 in above-described embodiment one, and here is omitted.
Further, the structural representation of MAC PDU as shown in Figure 2 can be seen that each MAC subheader one MCE or MAC SDU of correspondence or filler.The present embodiment is illustrated by taking one MCE of a MAC subheaders correspondence as an example, then UE can be configured to MAC subheaders, and the MAC subheaders include reserved bit position R, extended bit position E and LCID.Specifically, UE with the addition of the LCID of the logic channel where the corresponding MCE of the MAC subheaders in each MAC subheader, so that base station obtains the corresponding MCE of the MAC subheaders according to LCID.
502:UE sends MAC PDU to base station.
503:Base station receives the MAC PDU that UE is sent, and the MAC subheaders of the MAC PDU include reserved bit position R, extended bit position E and LCID.
504:Base station obtains the LCID in MAC subheaders.
Base station is received after the MAC PDU that UE is sent, by parsing the MAC subheaders, the LCID in MAC subheaders can therefrom be got, so as to logic channels of the LCID clearly where the corresponding MCE of the MAC subheaders in each MAC subheader, the corresponding MCE of the MAC subheaders is obtained from the logic channel.
505:Base station obtains the corresponding MCE of MAC subheaders according to LCID, and the extension PHR in the MCE is parsed.
In the present embodiment, base station is obtained after MCE on the logic channel that LCID is identified, you can the extension PHR in the MCE is parsed.
Extension PHR shown in Figure 6 structural representation, each parameter that extension PHR is included is as follows： R:Reserved bit position, is set to 0, takes a bit； Q:The index of CC marked as i, takes a bit；
Further, LTE-A systems divide into main plot by small（Primary Cell) and secondary cell (Secondary Cell), and the only one of which main plot in the cell that UE polymerize.PUCCH (Physical Uplink Control Channel, Physical Uplink Control Channel are configured with the CC of main plot）, PUCCH is not present on the CC of other secondary cells.
Accordingly, the two kinds of PH that PHR is included is defined for main plot:
Class1: PHPUSCH=P cmax -PpUSCH;
Type 2: PHPUSCH=P cmax -PpUSCH-PpUCCH;
For secondary cell, due in the absence of PUCCH, then defining a type of PH that PHR is included:Class1: PHPUSCH=P cmax -PpUSCH。
Can be specially C by G for the ease of distinguishingrType, clearly should（^ type.
Below in case of CC is up to 5, the implementation process to the embodiment of the present invention is illustrated, and i value is [0,5].The present embodiment identifies C with 1rClass has reported corresponding PHR, and the blunt corresponding PHR of Ci- types not upper 4 is identified with 0.
P:The flag bit of back-off, takes a bit；
V：Maximum transmission power PcmaxFlag bit, take a bit；
The present embodiment identifies the PHR with 0 and includes Pcmax, the PHR is identified with 1 not comprising Pcmax。
PH:Power headroom, takes six bits；
Can be specially PH (type, cell by PH in the present embodiment；), to identify the PH corresponding to which CC.
Pcmax：Maximum transmission power, takes six bits；
, can be by P in the present embodimentcmaxSpecially Pcmax, Cl-, to identify the PcmaxCorresponding to which cc.
For convenience of description, all parameters that the present embodiment reports a certain CC are referred to as PHR corresponding with a certain CC, and PHR includes PH, V, P, Pcma^ R parameters, then extend PHR and include multiple CC and multiple PHR, and each PHR corresponds to a CC.
Specifically, the extension PHR in MCE is parsed, can included：
Read the index of a certain CC in extension PHR；
Judge whether a certain CC reports PHR according to index;
If it is, being parsed to extending the corresponding PHR of a certain CC of this in PHR.
Wherein, base station is according to from low level to a high position, and order from top to bottom is read out to extension PHR. Illustrated by taking the structural representation of the extension PHR shown in Fig. 6 as an example, then the first row data are read in base station first, the reading order to the first row data little-endian is： R、 R、 Cri、 d_2, C24、 C34、 C44And C54, when the first row digital independent is completed, the second row data are read downwards in base station, and the reading order to the second row data little-endian is：PH (1, main plot）, V and P, when the second row digital independent 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, ci-i, R and R, the rest may be inferred, until the MCE has been read in base station.When reading d- Λ types, if a certain C readrThe numerical value of type is 1, then has read all CrAfter type, to a certain CrThe corresponding PHR of type is read out；If a certain C readrThe numerical value of type is 0, then has read after all d- types, to a certain CreNumerical value afterwards is 1 CrCorresponding PHR is read out.
In the present embodiment, the corresponding PHR of a certain CC in extension PHR are parsed, can be included：Read the PH in the corresponding PHR of a certain CC in extension PHR.
Further, the corresponding PHR of a certain CC in extension PHR are parsed, can included：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 it is, reading maximum transmission power.
In the present embodiment, as a certain C of readingrDuring corresponding PHR, if the numerical value of the flag bit of the maximum transmission power read is 0, identifies the PHR and include Pcmax, Cl_, to the Pcmax, α- type is read out；If the numerical value of the flag bit of the maximum transmission power read is 1, the PHR is identified not comprising Pcmax, Cl- type, then terminate the reading to the PHR after reading Ρ.
In the present embodiment, base station can be according to the Ρ Η and P of above-mentioned readingcmax, Cl_ size of uplink transmission power next time is determined, to ensure that power is maximally utilized and without departing from user's maximum transmission power.
506:If MAC PDU include MAC SDU, base station calculates MAC SDU length according to the flag bit of maximum transmission power in all CC index PHR corresponding with all CC in extension PHR in extension PHR, MAC SDU is read according to the length.
Due to not including L field in last MAC subheader in MAC PDU, if it is MCE that last MAC subheader is corresponding, the MCE is directly read, the length without calculating the MCE；If last corresponding MAC subheader is MAC SDU, the MAC SDU could be read out after the length for needing to calculate the MAC SDU.
Specifically, the length that PHR is extended in each MCE can be calculated, because the length of MAC PDU total length and each MAC subheader known to base station is fixed, then it can calculate MAC SDU's according to the length that PHR is extended in MAC PDU total length, the length of each MAC subheader and each MCE Length.
Wherein, the calculating of extension PHR length can be based on CrType and V.Specifically, when the numerical value of d- types is 1, the CrPHR has been reported, then has read the V in the PHR, if V numerical value is 0, the PHR has been identified and includes Pemax, α_Λ, now the PHR takes 16 bits, if V numerical value is 1, identifies the PHR not comprising Pcmax, Cl_, now the PHR takes 8 bits, and the rest may be inferred, until calculating all CrThe corresponding PHR of type length, along with 6 CrType and 8 bits shared by 2 R, you can the length for the PHR that is expanded.
Assuming that d- types are arranged as d- types d-type 2, Class1, Class1, C^4- Class1 and C in extension PHR5_ type1Their corresponding numerical value are respectively 1,1,1,0,1 and 1, due to C3_ type does not report extension PHR, its corresponding extension PHR length to be 0, it is further assumed that d_ types d-type2、 C2Pluck, C4-^ mouthfuls of C of type5-The corresponding V of Lei Xing Shang numerical value is respectively 0,1,1,1 and 0, then Lei Xing Shang and（Each self-corresponding extension PHR of class type Shang length is 8bit, d_2、 C2_« ^P C4_E IEach self-corresponding extension PHR length is 16bit, adds 6（8 bits shared by ^- and 2 R, then extend PHR total length L=8+8+16+16+16+8=72 (bit).Assuming that MAC PDU total length is 256 (bit), length of the MAC PDU comprising 3 MAC subheaders and each MAC subheader is 8 (bit), PHR length is respectively 64 (bit) and 72 (bit) in the corresponding MCE of the first two MAC subheaders, then MAC SDU length L ,=256-8 3-64-72=96 (bit).
The above method that the present embodiment is provided, by receiving the MAC PDU of UE transmissions, the MAC subheaders of the MAC PDU include R, E and LCID;Obtain the LCID in MAC subheaders;The corresponding MCE of MAC subheaders is obtained according to LCID, the extension PHR in the MCE parsed, the problem of can avoiding setting L field waste of resource in MAC subheaders；In addition, without judging whether parsing is correct according to L field, reducing parsing extension PHR complexity.
In addition, if MAC PDU include MAC SDU, then pass through the length according to the flag bit calculating MAC SDU of maximum transmission power in the PHR corresponding with all CC in extension PHR of all CC index in extension PHR, MAC SDU are read according to the length, without according to L field computational length, the problem of so as to avoid setting L field waste of resource in MAC subheaders.Embodiment three
Referring to Fig. 7, a kind of base station is present embodiments provided, the base station includes：
Receiving module 701, the MAC PDU for receiving UE transmissions, the MAC subheaders of the MAC PDU include R, E and LCID; Acquisition module 702, for obtaining the LCID in MAC subheaders;
Parsing module 703, for obtaining the corresponding MCE of MAC subheaders according to LCID, is parsed to the extension PHR in the MCE.
Referring to Fig. 8, in the present embodiment, parsing module 703 can include：
Reading unit 703A, the index for reading 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 the corresponding PHR of CC a certain to this in extension PHR to be parsed.
In the present embodiment, resolution unit 703C, the flag bit for maximum transmission power in the corresponding PHR of a certain CC in reading extension PHR；Judge whether a certain CC reports maximum transmission power according to flag bit；If it is, reading maximum transmission power.
In the present embodiment, resolution unit 703C is additionally operable to read the PH in extension PHR in the corresponding PHR of a certain CC.
Referring to Fig. 8, in the present embodiment, the base station can also include：
Read module 704, if including MAC Service Data Unit SDU for MAC PDU, MAC SDU length is then calculated according to the flag bit of maximum transmission power in the PHR corresponding with all CC in extension PHR of all CC index in extension PHR, MAC SDU are read according to the length.
The above-mentioned base station that the present embodiment is provided, by receiving the MAC PDU of UE transmissions, the MAC subheaders of the MAC PDU include R, E and LCID;Obtain the LCID in MAC subheaders;The corresponding MCE of MAC subheaders is obtained according to LCID, the extension PHR in the MCE parsed, the problem of can avoiding setting L field waste of resource in MAC subheaders；In addition, without judging whether parsing is correct according to L field, reducing parsing extension PHR complexity.
In addition, if MAC PDU include MAC SDU, then pass through the length according to the flag bit calculating MAC SDU of maximum transmission power in the PHR corresponding with all CC in extension PHR of all CC index in extension PHR, MAC SDU are read according to the length, without according to L field computational length, the problem of so as to avoid setting L field waste of resource in MAC subheaders.Example IV
Referring to Fig. 9, a kind of base station is present embodiments provided, the base station includes：
Receiver 901, the MAC PDU for receiving UE transmissions, the MAC subheaders of the MAC PDU include R, E and LCID; Processor 902, for obtaining the LCID in MAC subheaders;The corresponding MCE of M AC subheaders is obtained according to LCID, the extension PHR in the MCE is parsed.
In the present embodiment, processor 902 is additionally operable to read the index of a certain CC in extension PHR；Judge whether a certain CC reports PHR according to index;If it is judged that a certain CC has reported PHR, then the corresponding PHR of CC a certain to this in extension PHR are parsed.
In the present embodiment, processor 902 is additionally operable to 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 it is, reading maximum transmission power.
In the present embodiment, processor 902 is additionally operable to read the PH in extension PHR in the corresponding PHR of a certain CC.
In the present embodiment, processor 902, if being additionally operable to MAC PDU includes MAC SDU, MAC SDU length is then calculated according to the flag bit of maximum transmission power in the PHR corresponding with all CC in extension PHR of all CC index in extension PHR, MAC SDU are read according to the length.
The above-mentioned base station that the present embodiment is provided, by receiving the MAC PDU of UE transmissions, the MAC subheaders of the MAC PDU include R, E and LCID;Obtain the LCID in MAC subheaders;The corresponding MCE of MAC subheaders is obtained according to LCID, the extension PHR in the MCE parsed, the problem of can avoiding setting L field waste of resource in MAC subheaders；In addition, without judging whether parsing is correct according to L field, reducing parsing extension PHR complexity.
In addition, if MAC PDU include MAC SDU, then pass through the length according to the flag bit calculating MAC SDU of maximum transmission power in the PHR corresponding with all CC in extension PHR of all CC index in extension PHR, MAC SDU are read according to the length, without according to L field computational length, the problem of so as to avoid setting L field waste of resource in MAC subheaders.Embodiment five
Referring to Figure 10, a kind of user equipment (UE) is present embodiments provided, the UE includes：
Setup module 1001, for adding extension in the MAC PDU corresponding MCE of MAC subheaders
PHR, and the LCID in the corresponding MAC subheaders of the MCE is set according to MCE, the MAC subheaders include reserved bit position R, extended bit position E and LCID;
Sending module 1002, for sending MAC PDU to base station, so that base station obtains the corresponding MCE of the MAC subheaders and to the extension in the MCE according to the LCID in the MAC subheaders of the MAC PDU
PHR is parsed. The above-mentioned UE that the present embodiment is provided, by adding extension PHR in the MAC PDU corresponding MCE of MAC subheaders, and the LCID in the corresponding MAC subheaders of the MCE is set according to MCE, the MAC subheaders include reserved bit position R, extended bit position E and LCID, the problem of can avoiding setting L field waste of resource in MAC subheaders；In addition, without judging whether parsing is correct according to L field, reducing parsing extension PHR complexity.Embodiment six
Referring to Figure 11, a kind of user equipment (UE) is present embodiments provided, the UE includes：
Processor 1101, for adding extension in the MAC PDU corresponding MCE of MAC subheaders
PHR, and the LCID in the corresponding MAC subheaders of the MCE is set according to MCE, the MAC subheaders include reserved bit position R, extended bit position E and LCID;
Emitter 1102, for sending MAC PDU to base station, so that base station is according to the MAC PDU's
LCID in MAC subheaders obtains the corresponding MCE of the MAC subheaders and the extension PHR in the MCE is parsed.
The above-mentioned UE that the present embodiment is provided, by adding extension PHR in the MAC PDU corresponding MCE of MAC subheaders, and the LCID in the corresponding MAC subheaders of the MCE is set according to MCE, the MAC subheaders include reserved bit position R, extended bit position E and LCID, the problem of can avoiding setting L field waste of resource in MAC subheaders；In addition, without judging whether parsing is correct according to L field, reducing parsing extension PHR complexity.Embodiment seven
Referring to Figure 12, the system that a kind of parsing extended power surplus is reported is present embodiments provided, the system includes：Base station 1201 and user equipment 1202.
Wherein, base station 1201 can be the base station that embodiment three or example IV are provided；User equipment 1202 can be the user equipment that embodiment five or embodiment six are provided.
The said system that the present embodiment is provided, by receiving the MAC PDU of UE transmissions, the MAC subheaders of the MAC PDU include R, E and LCID;Obtain the LCID in MAC subheaders;The corresponding MCE of MAC subheaders is obtained according to LCID, the extension PHR in the MCE parsed, the problem of can avoiding setting L field waste of resource in MAC subheaders；In addition, without judging whether parsing is correct according to L field, reducing parsing extension PHR complexity.
In addition, if MAC PDU include MAC SDU, then by according to all CC in extension PHR Index PHR corresponding with all CC in extension PHR in the flag bit of maximum transmission power calculate MAC SDU length, MAC SDU are read according to the length, without according to L field computational length, the problem of so as to avoid setting L field waste of resource in MAC subheaders.It should be noted that：The system that base station, user equipment and the parsing extended power surplus that above-described embodiment is provided are reported only is illustrated with the division of above-mentioned each functional module, in practical application, it can as needed and by above-mentioned functions distribute and be completed by different functional modules, the internal structure for the system for reporting base station, user equipment and parsing extended power surplus is divided into different functional modules, to complete all or part of function described above.In addition, the embodiment for the method that the system that base station, user equipment and parsing extended power surplus that above-described embodiment is provided are reported is reported with parsing extended power surplus belongs to same design, it implements process and refers to embodiment of the method, repeats no more here.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
One of ordinary skill in the art will appreciate that realizing all or part of step of above-described embodiment can be completed by hardware, the hardware of correlation can also be instructed to complete by program, described program can be stored in a kind of computer-readable recording medium, storage medium mentioned above can be read-only storage, disk or CD etc..
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.

Claims (1)

  1. Claims
    1st, it is a kind of to parse the method that extended power surplus is reported, it is characterised in that methods described includes：The media access control MAC Packet Data Unit PDU that user equipment (UE) is sent is received, it is described
    MAC PDU MAC subheaders include reserved bit position R, extended bit position E and Logic Channel Identifier LCID;Obtain the LCID in the MAC subheaders;
    The corresponding media control element MCE of the MAC subheaders is obtained according to the LCID, reports PHR to parse the extended power surplus in the MCE.
    2nd, according to the method described in claim 1, it is characterised in that the extended power surplus in the MCE reports PHR to parse, including：
    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 it is, being parsed to the corresponding PHR of a certain CC described in the extension PHR.
    3rd, method according to claim 2, it is characterised in that described to be parsed to the corresponding PHR of a certain CC described in the extension PHR, including：
    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 it is, reading the maximum transmission power.
    4th, method according to claim 2, it is characterised in that described to be parsed to the corresponding PHR of a certain CC described in the extension PHR, including：
    Read the power headroom PH in the corresponding PHR of a certain CC described in the extension PHR.
    5th, according to the method described in claim 1, it is characterised in that methods described also includes：
    If the MAC PDU include MAC Service Data Unit SDU, the length of the MAC SDU is then calculated according to the flag bit of maximum transmission power in the index PHR corresponding with all CC described in the extension PHR of all CC in the extension PHR, the MAC SDU are read according to the length. 6th, it is a kind of to parse the method that extended power surplus is reported, it is characterised in that methods described includes：PHR in extended power surplus is added in the media access control MAC Packet Data Unit PDU corresponding media control element MCE of MAC subheaders, and the Logic Channel Identifier LCID in the corresponding MAC subheaders of the MCE is set according to the MCE, the MAC subheaders include reserved bit position R, the extended bit position E and LCID;
    The MAC PDU are sent to base station, so that the base station obtains the corresponding MCE of the MAC subheaders according to the LCID in the MAC subheaders of the MAC PDU and the extension PHR in the MCE is parsed.
    7th, a kind of base station, it is characterised in that the base station includes：
    Receiving module, reserved bit position R, extended bit position E and Logic Channel Identifier LCID are included for receiving media access control MAC Packet Data Unit PDU, the MAC PDU MAC subheaders of user equipment (UE) transmission;
    Acquisition module, for obtaining the LCID in the MAC subheaders;
    Parsing module, for obtaining the corresponding media control element MCE of the MAC subheaders according to the LCID, reports PHR to parse the extended power surplus in the MCE.
    8th, base station according to claim 7, it is characterised in that the parsing module includes：Reading unit, the index for reading 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, is parsed to the corresponding PHR of a certain CC described in the extension PHR.
    9th, base station according to claim 8, it is characterised in that the resolution unit, the flag bit for reading 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 it is, reading the maximum transmission power.
    10th, base station according to claim 8, it is characterised in that the resolution unit, is additionally operable to read the power headroom PH in the corresponding PHR of a certain CC described in the extension PHR. 11st, base station according to claim 7, it is characterised in that the base station also includes：Read module, if including MAC Service Data Unit SDU for the MAC PDU, the length of the MAC SDU is then calculated according to the flag bit of maximum transmission power in the index PHR corresponding with all CC described in the extension PHR of all CC in the extension PHR, the MAC SDU are read according to the length.
    12nd, a kind of base station, it is characterised in that the base station includes：
    Receiver, reserved bit position R, extended bit position E and Logic Channel Identifier LCID are included for receiving media access control MAC Packet Data Unit PDU, the MAC PDU MAC subheaders of user equipment (UE) transmission;The corresponding media control element MCE of the MAC subheaders is obtained according to the LCID, reports PHR to parse the extended power surplus in the MCE.
    13rd, base station according to claim 12, it is characterised in that the processor, is additionally operable to 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 it is judged that a certain CC has reported the PHR, then the corresponding PHR of a certain CC described in the extension PHR is parsed.
    14th, base station according to claim 13, it is characterised in that the processor, is additionally operable to 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 it is, reading the maximum transmission power.
    15th, base station according to claim 13, it is characterised in that the processor, is additionally operable to read the power headroom PH in the corresponding PHR of a certain CC described in the extension PHR.
    16th, base station according to claim 12, it is characterized in that, the processor, if being additionally operable to the MAC PDU includes MAC Service Data Unit SDU, the length of the MAC SDU is then calculated according to the flag bit of maximum transmission power in the index PHR corresponding with all CC described in the extension PHR of all CC in the extension PHR, the MAC SDU are read according to the length. 17th, a kind of user equipment (UE), it is characterised in that the UE includes：
    Setup module, PHR is reported for adding extended power surplus in the corresponding media control element MCE of media access control MAC Packet Data Unit PDU MAC subheaders, and the Logic Channel Identifier LCID in the corresponding MAC subheaders of the MCE is set according to the MCE, the MAC subheaders include reserved bit position R, the extended bit position E and LCID;
    Sending module, for sending the MAC PDU to base station, so that the base station is parsed according to the MAC to the extension PHR in the MCE.
    18th, a kind of user equipment (UE), it is characterised in that the UE includes：
    Processor, for adding PHR in extended power surplus in the corresponding media control element MCE of media access control MAC Packet Data Unit PDU MAC subheaders, and the Logic Channel Identifier LCID in the corresponding MAC subheaders of the MCE is set according to the MCE, the MAC subheaders include reserved bit position R, the extended bit position E and LCID;
    Emitter, for sending the MAC PDU to base station, so that the base station obtains the corresponding MCE of the MAC subheaders according to the LCID in the MAC subheaders of the MAC PDU and is parsed to the extension PHR in the MCE.
    19th, it is a kind of to parse the system that extended power surplus is reported, it is characterised in that the system includes：The user equipment (UE) as described in base station and claim 17 any one of claim 7-11;
    Or, the system includes the base station any one of claim 12 to 16 and the UE described in claim 18.
CN201280074203.4A 2012-12-04 2012-12-04 Method, base station, user equipment and the system that parsing extended power surplus reports Active CN104396317B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/085852 WO2014085984A1 (en) 2012-12-04 2012-12-04 Method, base station, user equipment and system for parsing extended power headroom report

Publications (2)

Publication Number Publication Date
CN104396317A true CN104396317A (en) 2015-03-04
CN104396317B CN104396317B (en) 2019-01-18

Family

ID=50882751

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280074203.4A Active CN104396317B (en) 2012-12-04 2012-12-04 Method, base station, user equipment and the system that parsing extended power surplus reports

Country Status (2)

Country Link
CN (1) CN104396317B (en)
WO (1) WO2014085984A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107567718A (en) * 2015-03-06 2018-01-09 三星电子株式会社 The method and apparatus for being performed by the user equipment for being configured with multiple carrier waves in mobile communication system and being reported measurement
CN108632230A (en) * 2017-03-24 2018-10-09 电信科学技术研究院 A kind of data processing method and the network equipment

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180139705A1 (en) * 2015-03-31 2018-05-17 Ntt Docomo, Inc. User terminal, radio base station and radio communication method
WO2017059595A1 (en) * 2015-10-10 2017-04-13 华为技术有限公司 Information exchange method, base station and terminal
US10492153B2 (en) 2018-01-18 2019-11-26 FG Innovation Company Limited Reporting power headroom in multiple connectivity next generation networks
US20190297529A1 (en) * 2018-03-23 2019-09-26 Qualcomm Incorporated Extension of logical channel number in cellular radio access technologies

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101931992A (en) * 2009-06-22 2010-12-29 中兴通讯股份有限公司 Method and terminal for realizing power headroom reporting
CN102104905A (en) * 2010-08-13 2011-06-22 电信科学技术研究院 Method and equipment for reporting power headroom under carrier aggregation scene
WO2011137577A1 (en) * 2010-05-03 2011-11-10 上海贝尔股份有限公司 Method and apparatus for reporting power headroom of user terminal equipment

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011160281A1 (en) * 2010-06-21 2011-12-29 中兴通讯股份有限公司 Method and system for transmitting power headroom report
CN102316569B (en) * 2010-06-29 2015-05-20 中兴通讯股份有限公司 PHR (power headroom report) reporting method and system used in carrier aggregation scene

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101931992A (en) * 2009-06-22 2010-12-29 中兴通讯股份有限公司 Method and terminal for realizing power headroom reporting
WO2011137577A1 (en) * 2010-05-03 2011-11-10 上海贝尔股份有限公司 Method and apparatus for reporting power headroom of user terminal equipment
CN102104905A (en) * 2010-08-13 2011-06-22 电信科学技术研究院 Method and equipment for reporting power headroom under carrier aggregation scene

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107567718A (en) * 2015-03-06 2018-01-09 三星电子株式会社 The method and apparatus for being performed by the user equipment for being configured with multiple carrier waves in mobile communication system and being reported measurement
US10917862B2 (en) 2015-03-06 2021-02-09 Samsung Electronics Co., Ltd. Method and apparatus for performing and reporting measurements by user equipment configured with multiple carriers in mobile communication systems
CN107567718B (en) * 2015-03-06 2021-03-09 三星电子株式会社 Method and apparatus for performing and reporting measurement by user equipment configured with multiple carriers in mobile communication system
US11659497B2 (en) 2015-03-06 2023-05-23 Samsung Electronics Co., Ltd. Method and apparatus for performing and reporting measurements by user equipment configured with multiple carriers in mobile communication systems
CN108632230A (en) * 2017-03-24 2018-10-09 电信科学技术研究院 A kind of data processing method and the network equipment
CN108632230B (en) * 2017-03-24 2021-03-30 电信科学技术研究院 Data processing method and network equipment

Also Published As

Publication number Publication date
CN104396317B (en) 2019-01-18
WO2014085984A1 (en) 2014-06-12

Similar Documents

Publication Publication Date Title
US10856164B2 (en) Method for scheduling resources in unlicensed frequency band, base station and terminal
US9521626B2 (en) Method and device for reporting configurable maximum transmission power of UE carrier
EP3785385B1 (en) Cqi reporting for multi-tci based pdsch reception
CN102783236B (en) Wireless communication system, mobile station apparatus, wireless communications method and integrated circuit
CN110167123B (en) Power control method and device
CN102752874B (en) The dispatching method of Physical Downlink Shared Channel and device
CN104396317A (en) Method, base station, user equipment and system for parsing extended power headroom report
CN107306453B (en) method and device for generating transmission block
CN110830216A (en) Method and device for determining number of monitoring PDCCH candidates under carrier aggregation
TWI581607B (en) Method of handling csi report and related communication device
CN109511173B (en) Subframe configuration method and related equipment
WO2015099515A1 (en) Method and apparatus for reporting channel state information
EP3547584B1 (en) Method for transmitting channel state information, user equipment, and base station
CN106162840B (en) Information processing method, base station and terminal
CN109644431B (en) Uplink information transmission method, device and system
CN104823475B (en) The method and its device of downlink control channel are monitored in a wireless communication system
CN105323849B (en) Configuration and sending method and device of uplink control channel, base station and user equipment
TW201309065A (en) Method and arrangement for uplink power control
CN103828447B (en) Ascending power control method and device
WO2014056306A1 (en) Bbu, rru and data transmission method and wireless access system therefor
CN105474590A (en) Infrastructure equipment, wireless communications network and method
US9698936B2 (en) Configuration method, system and device for uplink channel
CN111345087A (en) Resource determination method, device, network element and system
CN102017682A (en) Downlink inter-cell interference coordination method and base station
CN105580288A (en) Method for determining validity of scheduling information in wireless communication system supporting usage change of wireless resource and apparatus therefor

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant