CN102291729B - Excitation and deexcitation component carrier wave - Google Patents
Excitation and deexcitation component carrier wave Download PDFInfo
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- CN102291729B CN102291729B CN201010205305.8A CN201010205305A CN102291729B CN 102291729 B CN102291729 B CN 102291729B CN 201010205305 A CN201010205305 A CN 201010205305A CN 102291729 B CN102291729 B CN 102291729B
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Abstract
The invention provides a technical scheme for transmitting upstream and/or downstream component carrier wave excitation/deexcitation commands by using measurement and control (MAC) signaling. Firstly, a base station distributes one locale identifier (LCID) for at least one upstream component carrier wave excitation and deexcitation control command, then, the base station uses the distributed LCID as a part of the head of the measurement and control cell (MAC CE) and uses bit map information for mapping the excitation and deexcitation information of the upstream component carrier waves as a part of the content of the MAC CE, and the MAC CE is generated for carrying the excitation and deexcitation control commands.
Description
Technical field
The present invention relates to that component carrier in LTE-A cordless communication network activates and the transmission of deexcitation control command.
Background technology
In LTE-A, the bandwidth of wireless communication system can reach to 100M to meet high speed data transfers requirement.In order to keep backwards compatibility with LTE, the 100M bandwidth of LTE-A is divided into a plurality of component carriers, and wherein the maximum bandwidth of each component carrier can reach to 20MHz.
Owing to there being a plurality of carrier waves, even if certain upstream components carrier wave is not dispatched in base station, user terminal still can periodically send uplink detection reference signal (SRS) on this component carrier, can bring unnecessary energy dissipation to user terminal like this.
In LTE-A, user terminal closes or opens according to the uplink scheduling of base station the radio-frequency front-end that certain upstream components carrier wave is corresponding voluntarily, is also, if have transfer of data on one-component carrier wave, activate this component carrier, after being transmitted, this component carrier of deexcitation.Because a plurality of component carriers are shared a radio-frequency front-end, and in the process of opening and closing radio-frequency front-end, transfer of data can not be carried out, the transmission of other upstream components carrier wave can be affected like this.
The discussion situation current according to 3GPP, in order to make user terminal energy-conservation, the activation of down link component carrier or the concept of deexcitation are reached common understanding.But particularly, how base station sends control signaling to not clearly definition of user terminal.
Summary of the invention
The present invention proposes a kind of MAC of utilization control signal and transmit the technical scheme up and/or order of downlink component carrier activation/deactivation.
According to a specific embodiment of the present invention, provide a kind of in the base station of multi-carrier wireless communication network for transmitting the method for at least one upstream components carrier activation and deexcitation control command, comprise the following steps: be that described at least one upstream components carrier activation and deexcitation control command distribute a LCID; Using the LCID of described distribution as the part of the head of MAC CE, the message bit pattern of usining shines upon the activation of described upstream components carrier wave and deexcitation information as a part for MAC CE content, generates a MAC CE and carries described activation and deexcitation control command.
In one embodiment, said method also activates and deexcitation control command for transmitting at least one downlink component carrier, and described upstream components carrier activation and deexcitation control command activate from described downlink component carrier and deexcitation control command is transmitted respectively in different MACCE, or transmit in same MAC CE.
According to another specific embodiment of the present invention, provide a kind of in the base station of multi-carrier wireless communication network for transmitting at least device of upstream components carrier activation and deexcitation control command, comprise: distributor, described in being used to, at least upstream components carrier activation and deexcitation control command are distributed at least one LCID; Generating apparatus, for usining the LCID of described distribution as the part of the head of MAC CE, described in the message bit pattern of usining shines upon, at least the activation of upstream components carrier wave and deexcitation information, as a part for MAC CE content, generate at least one MAC CE and carry described activation and deexcitation control command.
According to one embodiment of present invention, provide a kind of in the user terminal of multi-carrier wireless communication network the method for deexcitation upstream components carrier wave, comprise the following steps: receive the deexcitation control command from least one upstream components carrier wave of indication deexcitation of base station; Carry out the deexcitation of described at least one upstream components carrier wave.
According to one embodiment of present invention, provide a kind of in the user terminal of multi-carrier wireless communication network the deexcitation device for deexcitation upstream components carrier wave, comprise: receiving system, for receiving the deexcitation control command from least one upstream components carrier wave of indication deexcitation of base station; Final controlling element, for carrying out the deexcitation of described at least one upstream components carrier wave.
By method and apparatus of the present invention, for upstream components carrier activation and deexcitation command transfer provide an effective solution, in particular for up-downgoing component carrier, activate transmission together with deexcitation order an effective solution is provided.In the situation of user terminal in low load, this situation is learnt by the buffer status report (BSR) of user terminal in base station, base station can send the upstream components carrier wave deexcitation control command expressed with some component carriers of indicating user terminal deexcitation to save energy consumption.In addition on the one hand, when user terminal poor in the up channel condition of certain component carrier, thereby the uplink on this component carrier obtains under the less situation of gain, base station is learnt this situation by measuring from the upward signal of user terminal, base station can send the upstream components carrier wave deexcitation control command expressed with this component carrier of indicating user terminal deexcitation to save energy consumption.Otherwise heavier when user terminal load, base station can send active control order, indicating user terminal activates the component carrier of deexcitation above.Under the up channel condition good situation of user terminal on certain component carrier, base station can send active control order, and indicating user terminal activates this component carrier of deexcitation above.
Accompanying drawing explanation
By reading the detailed description of non-limiting example being done referring to accompanying drawing, it is more obvious that other features, objects and advantages of the present invention will become.
Fig. 1 is according to the application scenarios schematic diagram of the multi-carrier wireless communication network of a specific embodiment of the present invention;
Fig. 2 for according to a specific embodiment of the present invention in the base station of multi-carrier wireless communication network for transmitting at least method flow diagram of upstream components carrier activation and deexcitation control command;
Fig. 3 for according to a specific embodiment of the present invention for carrying the MAC CE schematic diagram of upstream components carrier activation and deexcitation control command;
Fig. 4 is two the MAC CE schematic diagrames for difference bearing downlink and upstream components carrier activation and deexcitation control command according to a specific embodiment of the present invention;
Fig. 5 (a) and 5 (b) be respectively according to a specific embodiment of the present invention for carrying row and two MAC CE schematic diagrames of upstream components carrier activation and deexcitation control command;
Fig. 6 (a), 6 (b) and 6 (c) are respectively three the MAC CE schematic diagrames for bearing downlink, up, descending and upstream components carrier activation and deexcitation control command according to a specific embodiment of the present invention;
Fig. 7 (a), 7 (b) and 7 (c) are respectively three the MAC CE schematic diagrames for bearing downlink, up, descending and upstream components carrier activation and deexcitation control command according to a specific embodiment of the present invention;
Fig. 8 (a), 8 (b) and 8 (c) are respectively three the MAC CE schematic diagrames for bearing downlink, up, descending and upstream components carrier activation and deexcitation control command according to a specific embodiment of the present invention;
Fig. 9 (a) and Fig. 9 (b) are respectively the MAC CE schematic diagram transmitting together with deexcitation control command with upstream components carrier activation for bearing downlink according to a specific embodiment of the present invention;
Figure 10 is according to a specific embodiment of the present invention method flow diagram for deexcitation upstream components carrier wave in the user terminal of multi-carrier wireless communication network;
Figure 11 for according to a specific embodiment of the present invention in the base station of multi-carrier wireless communication network for transmitting at least structured flowchart of the device 110 of upstream components carrier activation and deexcitation control command;
Figure 12 is according to a specific embodiment of the present invention structured flowchart for the deexcitation device 120 of deexcitation upstream components carrier wave in the user terminal of multi-carrier wireless communication network;
Wherein, same or analogous Reference numeral represents same or analogous steps characteristic or device (module).
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are elaborated.
Fig. 1 shows according to the application scenarios schematic diagram of the multi-carrier wireless communication network 100 of a specific embodiment of the present invention.Those of ordinary skill in the art will be understood that for brevity, and the cordless communication network 100 in Fig. 1 only shows base station 110 and user terminal 120, and actual cordless communication network comprises a plurality of base stations, and each base station has a plurality of user terminals under its command.
Fig. 2 show according to a specific embodiment of the present invention in the base station of multi-carrier wireless communication network for transmitting the method flow diagram of at least one upstream components carrier activation and deexcitation control command, below in conjunction with Fig. 1, to being arranged in the method flow of base station 110, be elaborated.
First, in step S201, base station 110 is that at least one upstream components carrier activation and deexcitation control command are distributed a LCID (Logic channel identification, Logic Channel Identifier).
Then, in step S202, the LCID that the distributed part as the head of MAC CE is usingd in base station 110, the message bit pattern of usining shines upon the activation of above-mentioned upstream components carrier wave and deexcitation information as a part for MAC CE content, generates a MAC CE and carries described activation and deexcitation control command.
Finally, in step S203, base station 110 sends to user terminal 120 by described activation and the deexcitation control command with the MAC CE carrying that generate.
Alternatively, the flow process shown in Fig. 2 can also be for activation and the transmission of deexcitation control command of at least one downlink component carrier.Below will be described in detail this., for the situation that only has upstream components carrier activation and the transmission of deexcitation control command, Fig. 3 shows the structural representation of the MAC CE obtaining according to the flow process shown in Fig. 2.
MAC CE shown in Fig. 3 comprises MAC CE head and MAC CE content, is respectively 1 byte, and they form a MAC CE jointly.Wherein, for current LTE-A multi-carrier wireless communication network, no matter up or descending, all only have 5 component carriers, therefore, rear 5 bits in MAC CE content form the activation/deactivation information that a BITMAP is used for representing 5 component carriers, form, for example first bit value " 0 " represents first component carrier deexcitation, and value " 1 " represents that first component carrier activates.R in figure represents reservation bit, and E represents extended bit, indication be the situation of MAC CE subsequent data blocks, in 3GPP TS36.321, define, do not repeat them here.
Those of ordinary skill in the art will be understood that the length of BITMAP depends on that needs activate and the number of the component carrier of deexcitation, if only have a upstream components carrier wave need to activate or deexcitation, BITMAP only has a bit.Under the situation of a plurality of component carriers activation and deexcitation, the order of the component carrier of each bit representative of BITMAP can realize in advance to be reserved, also can be by base station 110 informing user terminals 120.For downlink component carrier, be also like this.Without loss of generality, the up and downlink component carrier of below take all have 5 needs to activate and deexcitation as example describes, the length that is also BITMAP is 5 bits.
For upstream components carrier activation and deexcitation control command, all need with downlink component carrier activation and deexcitation control command the situation of transmitting, have two kinds of transmission meanss: a kind of is that upstream components carrier activation activates from downlink component carrier with deexcitation control command and deexcitation control command is carried and transmitted with different MAC CE respectively; Another kind is that uplink and downlink component carrier activates and deexcitation control command is transmitted with same MAC CE carrying.Below respectively these two kinds of situations are elaborated.
1. upstream components carrier activation carries and transmits with different MAC CE respectively from downlink component carrier activation and deexcitation control command with deexcitation control command
This can be divided into again two kinds of situations, be that base station 110 is distributed respectively a LCID for up with downlink component carrier activation and deexcitation control command, a kind of is that base station 110 is up and downlink component carrier activates and deexcitation control command is distributed a common LCID.
Fig. 4 shows base station 110 for situation up and that downlink component carrier activates and deexcitation control command is distributed respectively a LCID.Wherein, LCID1 activates and deexcitation control command for downlink component carrier, and LCID2 is for upstream components carrier activation and deexcitation control command.That message bit pattern BITMAP1, BITMAP2 represent is respectively descending, activation and the deexcitation information of upstream components carrier wave.
Using and distribute to the LCID of described upstream components carrier activation and deexcitation control command as a part for MAC CE head in base station 110, the message bit pattern of usining shines upon the activation of described upstream components carrier wave and deexcitation information as a part for MAC CE content, generates a MAC CE and carries upstream components carrier activation and deexcitation control command.Base station 110 using distribute to that downlink component carrier activates and the LCID of deexcitation control command as the part of the head of MAC CE, the message bit pattern of usining shines upon the activation of described downlink component carrier and deexcitation information as a part for MAC CE content, generates another MAC CE and comes to activate and deexcitation control command described in bearing downlink component carrier.
Fig. 5 (a) and (b) show base station 110 and activate with downlink component carrier and the situation of a common LCID of deexcitation control command distribution for up, the public LCID that the distributed part as the head of MAC CE is usingd in base station 110, the message bit pattern BITMAP of usining comes the activation of mapping uplink or downlink component carrier and deexcitation information as a part for MAC CE content, generate a MAC CE and carry upstream or downstream activation and deexcitation control command, wherein, what utilize that reservation bit in MAC CE identifies this MAC CE carrying is upstream components carrier activation and deexcitation control command or downlink component carrier activates and deexcitation control command.This sign bit I is arranged in MAC CE head, as shown in Fig. 5 (a), can be to be also arranged in MAC CE content, and as shown in Fig. 5 (b), wherein this sign bit I value " 1 " represents uply, and value " 0 " identifies descending, and vice versa.
2. the activation of uplink and downlink component carrier and deexcitation control command are transmitted with same MACCE carrying
This situation is divided into again base station 110 for up and/or downlink component carrier activation and LCID of deexcitation control command distribution or the situation of a plurality of LCID.
2.1 base stations 110 are up and/or downlink component carrier activates and deexcitation control command is distributed a public LCID
The public LCID that the distributed head part as MAC CE is usingd in base station 110, the message bit pattern of usining comes the activation of mapping uplink and/or downlink component carrier and deexcitation information as a part at least one MAC CE content, generate a MAC CE and carry described activation and deexcitation control command, wherein, what utilize that at least two reservation bits in MAC CE identify this MAC CE carrying is upstream components carrier activation and deexcitation control command, or downlink component carrier activates and deexcitation control command, or upstream components carrier activation and deexcitation control command and downlink component carrier activation and deexcitation control command.
Above-mentioned at least two reservation bits can be arranged in first of MAC CE head or at least one MAC CE content, and two bits at least two reservation bits are respectively used to indicate this MAC CE whether to have that corresponding MAC CE content is carried upstream components carrier activation and deexcitation control information and downlink component carrier activates and deexcitation control information.Certainly, two bits can also have another implication: what bit was used to indicate this first MAC CE content indication is activation and deexcitation information or the activation of downlink component carrier and the deexcitation information of upstream components carrier wave, whether another bit also has second MAC CE content after being used to indicate this first MAC CE content, and these two MAC CE contents are indicated respectively activation and the deexcitation information of uplink and downlink component carrier.
When Fig. 6 (a) shows two bit-identify bits and is arranged in MAC CE head to Fig. 6 (c), the MAC CE schematic diagram generating, wherein, sign bit I1 value represents that for " 1 " having a MAC CE content carries upstream components carrier activation and deexcitation control information, and sign bit I2 value comes bearing downlink component carrier to activate and deexcitation control information for " 1 " represents to have a MAC CE content.
In Fig. 6 (a), sign bit I1I2 value " 01 " represents that only downlink component carrier activates and deexcitation command transfer, in Fig. 6 (b), sign bit I1I2 value " 10 " represents only upstream components carrier activation and deexcitation command transfer, in Fig. 6 (c), sign bit I1I2 value " 11 " represents that uplink and downlink component carrier activates the situation of transmitting together with deexcitation order, and rear 5 bits in MAC CE content in first byte represent that downlink component carrier activates and deexcitation information BITMAP1, rear 5 bits in second byte represent upstream components carrier activation and deexcitation information BITMAP2.Certainly, also definable upstream components carrier activation and deexcitation information are front, and downlink component carrier activation and deexcitation information are rear.
Fig. 6 (a) is to an example just shown in Fig. 6 (c), as described above, sign bit I1I2 wherein can also have another kind of definition: first byte that first bit I1 sign is used for identifying in MAC CE content is descending or the activation of upstream components carrier wave and deexcitation information, and whether second bit I2 sign MAC CE content has second byte.
According to another embodiment of the invention, sign bit I1I2 also can be arranged in first byte of MAC CE content, if Fig. 7 (a) is to as shown in Fig. 7 (c).Wherein, first byte that first bit I1 sign is used for identifying in MAC CE content is descending or the activation of upstream components carrier wave and deexcitation information, and whether second bit I2 sign MAC CE content has second byte.In Fig. 7, I1 value represents that for " 1 " first byte is activation and the deexcitation information of downlink component carrier, and I1 value represents that for " 0 " first byte is activation and the deexcitation information of upstream components carrier wave.Fig. 7 (a) represents only have downlink component carrier to activate and the situation of deexcitation command transfer, Fig. 7 (b) represents only to have the situation of upstream components carrier activation and deexcitation command transfer, and Fig. 7 (c) represents the descending situation of transmitting together with deexcitation order with upstream components carrier activation.Certainly, the sign bit I1I2 that is arranged in first byte of MAC CE content can also have if Fig. 6 (a) is to the implication as shown in 6 (c), does not repeat them here.
According to another embodiment of the invention, what can also in the MAC CE generating, add that an extra byte F/L identifies this MAC CE carrying is upstream components carrier activation and deexcitation control command, or downlink component carrier activates and deexcitation control command, or upstream components carrier activation and deexcitation control command and downlink component carrier activation and deexcitation control command.According to mac frame organization definition, wherein F bit represents type, can utilize two bits in 7 remaining bits to identify above-mentioned three kinds of situations, the implication of these two sign bits can be if Fig. 6 (a) be to 6 (c) or Fig. 7 (a) to as shown in 6 (c).Fig. 8 (a) shows this kind of situation to Fig. 8 (c), at figure (a) to Fig. 8 (c), the implication of sign bit I1I2 as Fig. 7 (a) to shown in Fig. 7 (c).Certainly, this sign bit I1I2 also can have other multiple implication to identify above-mentioned three kinds of situations, as " 00 " sign upstream components carrier activation and deexcitation command transfer, " 01 " sign downlink component carrier activates and deexcitation command transfer, " 10 " sign uplink and downlink component carrier activates and transmits together with deexcitation order, at this, will not enumerate.In a byte of adding, except two bits used, remaining bit is reservation bit, for future use.
2.1 base stations 110 are up and/or downlink component carrier activates and deexcitation control command is distributed a plurality of LCID
In one embodiment, when transmit with deexcitation control command together with for upstream components carrier activation and deexcitation control command and downlink component carrier activates base station 110, distribute a LCID different during from upstream components carrier activation and deexcitation control command or downlink component carrier activation and deexcitation control command individual transmission.Wherein, the transmission of the activation of uplink and downlink component carrier and deexcitation control command can be divided into again two kinds of situations: share a LCID or with two different LCID.For transmission situation up and downlink component carrier activation and the shared LCID of deexcitation control command, situation that can be shown in Figure 4.For the situation that up and downlink component carrier activate and two different LCID of deexcitation control command use transmit respectively, can be referring to the situation shown in Fig. 5 (a) and Fig. 5 (b).
Under situation when the activation of uplink and downlink component carrier is transmitted together with deexcitation control command, the head part of above-mentioned different LCID as MAC CE usingd in base station 110, the message bit pattern BITMAP1 of usining shines upon the activation of downlink component carrier and deexcitation information as a part for a MAC CE content, the message bit pattern BITMAP2 of usining comes the activation of mapping uplink component carrier and deexcitation information as a part for another MAC CE content, generate a MAC CE and carry described uplink and downlink component carrier activation and deexcitation control command, wherein, utilize in the MAC CE of this generation a reservation bit to identify the order of described two MAC CE contents, this reservation bit is referred to as to identify bit I1.Fig. 9 (a) shows the schematic diagram of such a MAC CE, and in Fig. 9 (a), reservation bit I1 is arranged in MAC CE head, and the downlink component carrier activation of value " 1 " sign and deexcitation information are formerly.Certainly, this reservation bit I1 also can be arranged in any of two MAC CE contents.Those of ordinary skill in the art will be understood that the order that also can fix in advance two MACCE contents, and without identifying with sign bit I1.
The situation of above-mentioned introduction is all that MAC CE length is variable situation, in one embodiment, the length of MAC CE is changeless, upstream components carrier wave and downlink component carrier deexcitation control command have wherein been comprised simultaneously, also, upstream components carrier activation and deexcitation control command and the activation of described downlink component carrier and deexcitation control command are transmitted simultaneously in same MAC CE.Under this situation, up-link carrier activates with deexcitation control command and described downlink component carrier and activates the LCID that transmits one of distribution together with deexcitation control command; Then, using and distribute LCID as a head part of MAC CE in base station 120, the message bit pattern BITMAP1 of usining shines upon the activation of downlink component carrier and deexcitation information as a part for a MAC CE content, the message bit pattern BITMAP2 of usining comes the activation of mapping uplink component carrier and deexcitation information as a part for another MAC CE content, generate a MAC CE and carry the activation of uplink and downlink component carrier and deexcitation control command, as shown in Fig. 9 (b).In Fig. 9 (b), the order of descending and up MAC CE content is fixing, and certainly, those skilled in the art will be understood that also can identify with a sign bit their order.
Figure 10 shows according to a specific embodiment of the present invention method flow diagram for deexcitation upstream components carrier wave in the user terminal of multi-carrier wireless communication network.Take the application scenarios shown in Fig. 1 below as example, and the process of user terminal 120 being carried out to the deexcitation of upstream components carrier wave is elaborated.
First, in step S 101, the deexcitation control command that user terminal 120 receives from least one upstream components carrier wave of indication deexcitation of base station 110.Those of ordinary skill in the art will be understood that this deexcitation control command can utilize the form shown in Fig. 2 to Fig. 9 (a) to transmit, and also can other form transmit.
Then, in step S 102, user terminal 120 is carried out the deexcitation of at least one upstream components carrier wave.
Alternatively, in user terminal 120, can also distribute a timer for each component carrier, when determining while having new upstream data to transmit on a upstream components carrier wave, start or restart the timer of this upstream components carrier wave, if the timer of this upstream components carrier wave overflows, or receive the deexcitation control command from this upstream components carrier wave of this deexcitation of indication of base station 110, carry out the deexcitation of this upstream components carrier wave.
In one embodiment, as user terminal 120 receives the resource transmission assignment commands on a upstream components carrier wave (UL Grant) from base station 120, determine that user terminal 120 has new upstream data to transmit on this upstream components carrier wave.For non-self-adapting, retransmit, user terminal 120 is received in after the Indication message of the data that send on one-component carrier wave receiving from base station 110 misdirections, determines and will retransmit, and determines on this upstream components carrier wave and has new upstream data to transmit.
Figure 11 show according to a specific embodiment of the present invention in the base station of multi-carrier wireless communication network for transmitting the structured flowchart of the device 110 of at least one upstream components carrier activation and deexcitation control command.In Figure 11, install 110 and comprise distributor 111, generating apparatus 112 and dispensing device 113.Below in conjunction with Fig. 1, to being arranged in the course of work of the device 110 of base station 110, be elaborated.
First, distributor 111 is that at least one upstream components carrier activation and deexcitation control command are distributed a LCID (Logic channel identification, Logic Channel Identifier).
Then, generating apparatus 112 is usingd the LCID that the distributed part as the head of MAC CE, the message bit pattern of usining shines upon the activation of above-mentioned at least one upstream components carrier wave and deexcitation information as a part for MAC CE content, generates a MAC CE and carries described activation and deexcitation control command.
The above-mentioned course of work is to be equally also applicable to the activation of at least one downlink component carrier and the transmission of deexcitation control command.For the situation that only has upstream components carrier activation and the transmission of deexcitation control command, Fig. 3 shows the structural representation of the MAC CE of a carrying upstream components carrier activation and the transmission of deexcitation control command.
For upstream components carrier activation and deexcitation control command, all need with downlink component carrier activation and deexcitation control command the situation of transmitting, have two kinds of transmission meanss: a kind of is that upstream components carrier activation activates from downlink component carrier with deexcitation control command and deexcitation control command is carried and transmitted with different MAC CE respectively; Another kind is that uplink and downlink component carrier activates and deexcitation control command is transmitted with same MAC CE carrying.Below respectively these two kinds of situations are elaborated.
1. upstream components carrier activation carries and transmits with different MAC CE respectively from downlink component carrier activation and deexcitation control command with deexcitation control command
This can be divided into again two kinds of situations, be that distributor 111 distributes respectively a LCID for up with downlink component carrier activation and deexcitation control command, a kind of is that distributor 111 is up and downlink component carrier activates and deexcitation control command is distributed a common LCID.
Fig. 4 shows distributor 111 for situation up and that downlink component carrier activates and deexcitation control command is distributed respectively a LCID.Wherein, LCID 1 activates and deexcitation control command for downlink component carrier, and LCID2 is for upstream components carrier activation and deexcitation control command.That message bit pattern BITMAP1, BITMAP2 represent is respectively descending, activation and the deexcitation information of upstream components carrier wave.
Fig. 5 (a) and (b) show distributor 111 and activate with downlink component carrier and the situation of a common LCID of deexcitation control command distribution for up, generating apparatus 112 is usingd public LCID that distributor 111 the distributed part as the head of MAC CE, the message bit pattern BITMAP of usining comes the activation of mapping uplink or downlink component carrier and deexcitation information as a part for MAC CE content, generate a MAC CE and carry upstream or downstream activation and deexcitation control command, wherein, what utilize that reservation bit in MAC CE identifies this MAC CE carrying is upstream components carrier activation and deexcitation control command or downlink component carrier activates and deexcitation control command.This sign bit I is arranged in MACCE head, as shown in Fig. 5 (a), can be to be also arranged in MAC CE content, and as shown in Fig. 5 (b), wherein this sign bit I value " 1 " represents uply, and value " 0 " identifies descending, and vice versa.
2. the activation of uplink and downlink component carrier and deexcitation control command are transmitted with same MACCE carrying
This situation is divided into again distributor 111 for up and/or downlink component carrier activation and LCID of deexcitation control command distribution or the situation of a plurality of LCID.
2.1 distributors 111 are up and/or downlink component carrier activates and deexcitation control command is distributed a public LCID
Above-mentioned at least two reservation bits can be arranged in first of MAC CE head or at least one MAC CE content, and two bits at least two reservation bits are respectively used to indicate this MAC CE whether to have that corresponding MAC CE content is carried upstream components carrier activation and deexcitation control information and downlink component carrier activates and deexcitation control information.Certainly, two bits can also have another implication: what bit was used to indicate this first MAC CE content indication is activation and deexcitation information or the activation of downlink component carrier and the deexcitation information of upstream components carrier wave, whether another bit also has second MAC CE content after being used to indicate this first MAC CE content, and these two MAC CE contents are indicated respectively activation and the deexcitation information of uplink and downlink component carrier.
When Fig. 6 (a) shows two bit-identify bits and is arranged in MAC CE head to Fig. 6 (c), the MAC CE schematic diagram generating, wherein, sign bit I1 value represents that for " 1 " having a MAC CE content carries upstream components carrier activation and deexcitation control information, and sign bit I2 value comes bearing downlink component carrier to activate and deexcitation control information for " 1 " represents to have a MAC CE content.
In Fig. 6 (a), sign bit I1I2 value " 01 " represents that downlink component carrier activates and deexcitation command transfer, in Fig. 6 (b), sign bit I1I2 value " 10 " represents upstream components carrier activation and deexcitation command transfer, in Fig. 6 (c), sign bit I1I2 value " 11 " represents that uplink and downlink component carrier activates the situation of transmitting together with deexcitation order, and rear 5 bits in MAC CE content in first byte represent that downlink component carrier activates and deexcitation information BITMAP1, rear 5 bits in second byte represent upstream components carrier activation and deexcitation information BITMAP2.Certainly, also definable upstream components carrier activation and deexcitation information are front, and downlink component carrier activation and deexcitation information are rear.
Fig. 6 (a) is to an example just shown in Fig. 6 (c), as described above, sign bit I1I2 wherein can also have another kind of definition: first byte that first bit I1 sign is used for identifying in MAC CE content is descending or the activation of upstream components carrier wave and deexcitation information, and whether second bit I2 sign MAC CE content has second byte.
According to another embodiment of the invention, sign bit I1I2 also can be arranged in first byte of MAC CE content, if Fig. 7 (a) is to as shown in Fig. 7 (c).Wherein, first byte that first bit I1 sign is used for identifying in MAC CE content is descending or the activation of upstream components carrier wave and deexcitation information, and whether second bit I2 sign MAC CE content has second byte.In Fig. 7, I1 value represents that for " 1 " first byte is activation and the deexcitation information of downlink component carrier, and I1 value represents that for " 0 " first byte is activation and the deexcitation information of upstream components carrier wave.Fig. 7 (a) represents only have downlink component carrier to activate and the situation of deexcitation command transfer, Fig. 7 (b) represents only to have the situation of upstream components carrier activation and deexcitation command transfer, and Fig. 7 (c) represents the descending situation of transmitting together with deexcitation order with upstream components carrier activation.Certainly, the sign bit I1I2 that is arranged in first byte of MAC CE content can also have if Fig. 6 (a) is to the implication as shown in 6 (c), does not repeat them here.
According to another embodiment of the invention, what generating apparatus 112 can add in the MACCE generating that an extra byte F/L identifies this MAC CE carrying is upstream components carrier activation and deexcitation control command, or downlink component carrier activates and deexcitation control command, or upstream components carrier activation and deexcitation control command and downlink component carrier activation and deexcitation control command.According to mac frame organization definition, wherein F bit represents type, can utilize two bits in 7 remaining bits to identify above-mentioned three kinds of situations, the implication of these two sign bits can be if Fig. 6 (a) be to 6 (c) or Fig. 7 (a) to as shown in 6 (c).Fig. 8 (a) shows this kind of situation to Fig. 8 (c), at figure (a) to Fig. 8 (c), the implication of sign bit I1I2 as Fig. 7 (a) to shown in Fig. 7 (c).Certainly, this sign bit I1I2 also can have other multiple implication to identify above-mentioned three kinds of situations, as " 00 " sign upstream components carrier activation and deexcitation command transfer, " 01 " sign downlink component carrier activates and deexcitation command transfer, " 10 " uplink and downlink component carrier activates and transmits together with deexcitation order, at this, will not enumerate.
2.1 distributors 111 are up and/or downlink component carrier activates and deexcitation control command is distributed a plurality of LCID
In one embodiment, when distributor 111 transmits with deexcitation control command together with for upstream components carrier activation and deexcitation control command and downlink component carrier activates, distribute a LCID different during from upstream components carrier activation and deexcitation control command or downlink component carrier activation and deexcitation control command individual transmission.Wherein, the transmission of the activation of uplink and downlink component carrier and deexcitation control command can be divided into again two kinds of situations: share a LCID or with two different LCID.For transmission situation up and downlink component carrier activation and the shared LCID of deexcitation control command, situation that can be shown in Figure 4.For the situation that up and downlink component carrier activate and two different LCID of deexcitation control command use transmit respectively, can be referring to the situation shown in Fig. 5 (a) and Fig. 5 (b).
Under situation when the activation of uplink and downlink component carrier is transmitted together with deexcitation control command, generating apparatus 112 is usingd the head part of above-mentioned different LCID as MAC CE, the message bit pattern BITMAP1 of usining shines upon the activation of downlink component carrier and deexcitation information as a part for a MAC CE content, the message bit pattern BITMAP2 of usining comes the activation of mapping uplink component carrier and deexcitation information as a part for another MAC CE content, generate a MAC CE and carry described uplink and downlink component carrier activation and deexcitation control command, wherein, utilize in the MAC CE of this generation a reservation bit to identify the order of described two MAC CE contents, this reservation bit is referred to as to identify bit I.Fig. 9 (a) shows the schematic diagram of such a MAC CE, and in Fig. 9 (a), reservation bit I is arranged in MAC CE head, and the downlink component carrier activation of value " 1 " sign and deexcitation information are formerly.Certainly, this reservation bit I also can be arranged in any of two MAC CE contents.
Figure 12 shows according to a specific embodiment of the present invention structured flowchart for the deexcitation device 120 of deexcitation upstream components carrier wave in the user terminal of multi-carrier wireless communication network.In Figure 12, deexcitation device 120 comprises receiving system 121, final controlling element 122 and startup or rebooting device 123.Wherein, startup or rebooting device 123 are option means.Take the application scenarios shown in Fig. 1 below as example, to being arranged in the process of execution upstream components carrier wave deexcitation of the deexcitation device 120 of user terminal 120, be elaborated.
First, the deexcitation control command that receiving system 121 receives from least one upstream components carrier wave of indication deexcitation of base station 110.Those of ordinary skill in the art will be understood that this deexcitation control command can utilize the form shown in Fig. 2 to Fig. 9 (a) to transmit, and also can other form transmit.
Then, final controlling element 122 is carried out the deexcitation of at least one upstream components carrier wave.
Alternatively, in user terminal 120, can also distribute a timer for each component carrier, when determining while having new upstream data to transmit on a upstream components carrier wave, startup or rebooting device 123 start or restart the timer of this upstream components carrier wave, if the timer of this upstream components carrier wave overflows, or receiving system 121 receives the deexcitation control command from this upstream components carrier wave of this deexcitation of indication of base station 110, final controlling element 122 is carried out the deexcitation of this upstream components carrier wave.
In one embodiment, as receiving system 121 receives the resource transmission assignment commands on a upstream components carrier wave from base station 120, determine that user terminal 120 has new upstream data to transmit on this upstream components carrier wave.For non-self-adapting, retransmit, receiving system 121 is received in after the Indication message of the data that send on one-component carrier wave receiving from base station 110 misdirections, determines and will retransmit, and determines on this upstream components carrier wave and has new upstream data to transmit.
It should be noted that, above-described embodiment is only exemplary, but not limitation of the present invention.The value of sign bit I1 or I1I2 also can change arbitrarily, and the position of message bit pattern is not limit yet, and to reach identification or distinguishes uplink and downlink component carrier and activate and deexcitation control command.
Within any technical scheme that does not deviate from spirit of the present invention all should fall into protection scope of the present invention.In addition, any Reference numeral in claim should be considered as limiting related claim; " comprise " that a word do not get rid of device unlisted in other claim or specification or step; " one " before device does not get rid of the existence of a plurality of such devices; In comprising the equipment of a plurality of devices, the one or more function in the plurality of device can be realized by same hardware or software module; The word such as " first ", " second ", " the 3rd " is only used for representing title, and does not represent any specific order.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the appended claims.
Claims (4)
- One kind in the base station of multi-carrier wireless communication network, for transmitting, at least one upstream components carrier activation and deexcitation control command and at least one downlink component carrier activate and the method for deexcitation control command, and described upstream components carrier activation and deexcitation control command and described downlink component carrier activate and deexcitation control command is transmitted in same MAC CE, comprise the following steps:-be that described upstream components carrier activation and deexcitation control command activate with described downlink component carrier and public LCID of deexcitation control command distribution;-described public the LCID of usining is a part of as the head of MAC CE, the message bit pattern of usining shines upon the activation of described up and/or downlink component carrier and deexcitation information as a part at least one MAC CE content, generate a MAC CE and carry described activation and deexcitation control command, wherein, what utilize that at least two reservation bits in described MAC CE identify this MAC CE carrying is upstream components carrier activation and deexcitation control command, or downlink component carrier activates and deexcitation control command, or upstream components carrier activation and deexcitation control command and downlink component carrier activation and deexcitation control command,-activation of carrying with MAC CE of described generation and deexcitation control command are sent to user terminal.
- 2. method according to claim 1, wherein, described at least two reservation bits are arranged in first of described MAC CE head or described at least one MAC CE content, and two bits of described at least two reservation bits are respectively used to indicate this MAC CE whether to have that corresponding MAC CE content is carried upstream components carrier activation and deexcitation control information and downlink component carrier activates and deexcitation control information.
- 3. method according to claim 1, wherein, described at least two reservation bits are arranged in first of described MAC CE head or described at least one MAC CE content, and what in described at least two reservation bits, bit was used to indicate this first MAC CE content indication is activation and deexcitation information or the activation of downlink component carrier and the deexcitation information of upstream components carrier wave, whether another bit also has second MAC CE content after being used to indicate this first MAC CE content, these two MAC CE contents are indicated respectively activation and the deexcitation information of uplink and downlink component carrier.
- 4. in the base station of multi-carrier wireless communication network, for transmitting, at least one upstream components carrier activation and deexcitation control command and at least one downlink component carrier activate and a device for deexcitation control command, comprising:Distributor, is used to described upstream components carrier activation and deexcitation control command and described downlink component carrier to activate and deexcitation control command is distributed a public LCID;Generating apparatus, for usining the head part of described public LCID as MAC CE, the message bit pattern of usining shines upon the activation of described up and/or downlink component carrier and deexcitation information as a part at least one MAC CE content, generate a MAC CE and carry described activation and deexcitation control command, wherein, what utilize that at least two reservation bits in described MAC CE identify this MAC CE carrying is upstream components carrier activation and deexcitation control command, or downlink component carrier activates and deexcitation control command, or upstream components carrier activation and deexcitation control command and downlink component carrier activation and deexcitation control command,Dispensing device, for sending to user terminal by the activation of carrying with MAC CE of described generation and deexcitation control command.
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| CN103634910B (en) * | 2012-08-29 | 2019-03-01 | 中兴通讯股份有限公司 | Delete the method and device of component carrier |
| CN108242990B (en) * | 2012-11-30 | 2020-11-06 | 华为技术有限公司 | Method and device for receiving information, method for sending information and base station |
| CN105991215B (en) * | 2015-01-30 | 2019-07-02 | 上海诺基亚贝尔股份有限公司 | The method and apparatus of carrier wave and Carrier State are used to indicate in cordless communication network |
| CN106301732B (en) * | 2015-06-26 | 2019-04-05 | 北京信威通信技术股份有限公司 | A kind of deactivated method of carrier activation |
| CN109547175B (en) * | 2017-08-11 | 2020-10-30 | 电信科学技术研究院 | Bearer mapping method, device, base station and terminal |
| CN109699084B (en) * | 2017-10-20 | 2021-11-09 | 维沃移动通信有限公司 | Information transmission method, terminal and network equipment under unlicensed frequency band |
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| CN101651851A (en) * | 2008-08-11 | 2010-02-17 | 华为技术有限公司 | Method, device and communication system for deactivating carriers in multi-carrier mode |
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| CN101651851A (en) * | 2008-08-11 | 2010-02-17 | 华为技术有限公司 | Method, device and communication system for deactivating carriers in multi-carrier mode |
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