CN101605354A - A kind of method of reporting service buffer data size and subscriber equipment - Google Patents
A kind of method of reporting service buffer data size and subscriber equipment Download PDFInfo
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- CN101605354A CN101605354A CNA200810114552XA CN200810114552A CN101605354A CN 101605354 A CN101605354 A CN 101605354A CN A200810114552X A CNA200810114552X A CN A200810114552XA CN 200810114552 A CN200810114552 A CN 200810114552A CN 101605354 A CN101605354 A CN 101605354A
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Abstract
The present invention proposes a kind of method and subscriber equipment of reporting service buffer data size, wherein method comprises: subscriber equipment with the carrying of the idle bit in the enhancement type special channel uplink control channel (E-UCCH), is sent to base station by E-UCCH with service buffer data size; Wherein, the idle bit among the described E-UCCH by: shorten transmission block size (TBS) among the E-UCCH or re-transmission sequence number (RSN) length the bit that goes out of free time.Method and subscriber equipment that the present invention proposes can report the buffer data size of specific transactions to the base station.
Description
Technical field
The present invention relates to High Speed Uplink Packet and insert (HSUPA, High Speed Uplink PacketAccess) technical field, particularly a kind of method of reporting service buffer data size and subscriber equipment.
Background technology
In the prior art, the HSUPA transmission is divided into scheduled transmission and non-scheduled transmission, and wherein, scheduled transmission is meant that base station (Node B) is subscriber equipment (UE) scheduling distribution ascending physical signal resource.Referring to Fig. 1, Fig. 1 is a prior art scheduled transmission method flow diagram, comprising:
When having uplink strengthening data etc. to be sent in the step 101:UE buffer memory, UE inserts uplink control channel (E-RUCCH at random by enhancement type special channel, E-DCH Random Access UplinkControl Channel) sends uplink scheduling request message, request scheduling resource.
Step 102:Node B carries out scheduling of resource according to the uplink scheduling request message of receiving, goes up in enhancement type special channel absolute grant channel (E-AGCH, E-DCH Absolute Grant Channel) and sends scheduling of resource message.
Step 103:UE is according to the scheduling of resource message of receiving, strengthening transformat combination (E-TFC) selects, select suitable transmission block size (TBS, Transport Block Size) and modulation system, encode afterwards, modulate, go up the transmission uplink strengthening data at enhancement type special channel physical uplink link channel (E-PUCH, E-DCHPhysical Uplink Channel).
E-PUCH is a physical channel, be mapped with 2 transmission channels on it: enhancement type special channel (E-DCH, Enhanced Dedicated Channel) and enhancement type special channel uplink control channel (E-UCCH, E-DCH Uplink Control Channel) wherein, E-UCCH is the control channel of E-DCH, and the E-UCCH loaded information comprises:
(1) TBS of Xuan Zeing, length is 6bit;
(2) re-transmission sequence number (RSN) is used to indicate the number of transmissions, and length is 2bit;
(3) mix automatic repeat requests (HARQ) Process identifier (ID), length is 2bit.
Step 104:Node B receives uplink strengthening data, mix automatic repeat requests answering indication signal channel (E-HICH, E-DCH HARQ Acknowledge Indicator Channel) at enhancement type special channel and go up ACK or the wrong NACK feedback message that receives that sends correct reception.
Like this, UE has just finished a secondary data and has sent, and this process is called the scheduled transmission process, and promptly the ascending physical signal resource is Node B scheduling.
The buffer memory that important references information be UE of base station when scheduling distributes the ascending physical signal resource, the buffer memory of UE is represented with schedule information (SI).When UE did not obtain the E-PUCH physical resource of base station assigns, SI sent to the base station in E-RUCCH; Obtain the E-PUCH physical resource of base station assigns as UE after, SI is placed in the MAC-e head, sends to the base station on E-PUCH.The buffer memory information that SI comprises comprises:
(1) total E-DCH buffer status (TEBS), length is 5bits.TEBS represents the data total amount of all logic channels of terminal, comprises the data volume that rlc layer etc. is to be transmitted or retransmit, and is quantized value.
(2) highest priority logical channel buffer status (HLBS), length is 4bits.HLBS represents the data total amount of highest priority logical channel, is a relative ratio with respect to TEBS.
(3) highest priority logical channel sign (HLID), length is 4bits.HLID indication has the logic channel of limit priority to be sent such as data; If have the logic channel of a plurality of limit priorities to exist simultaneously, select the HLID of buffer memory occupation proportion maximum to report so.
According to the SI that UE reports, Node B carries out scheduling of resource, for UE distributes the ascending physical signal resource.NodeB can a plurality of Transmission Time Intervals of disposable distribution (TTI) the ascending physical signal resource, utilize resource continuous indication (RDI) the notice UE on the E-AGCH to be the ascending physical signal resource of its distribution.The length of RDI is 3bit, and as table 1, table 1 is the mapping relations tabulation that RDI and ascending resource distribute in the prior art.
| RDI | The TTI that distributes | Idle TTI |
| ?0 | ?1 | ?1 |
| ?1 | ?2 | ?1 |
| ?2 | ?2 | ?2 |
| ?3 | ?2 | ?4 |
| ?4 | ?4 | ?1 |
| ?5 | ?4 | ?2 |
| ?6 | ?4 | ?4 |
| ?7 | ?8 | ?1 |
Table 1
By last table 1 as seen, Node B is by sending the ascending physical signal resource that E-AGCH can only distribute 8 Transmission Time Intervals (TTI) at most, and the resource of distributing is continuous.In order to optimize support to some specific transactions, propose Node B again and only sent E-AGCH one time, distribute the mode of permanently effective ascending physical signal resource for UE.Yet for UE distributes the ascending physical signal resource, Node B must be known the buffer data size of the specific transactions of UE exactly for reasonably, but does not also have the method for UE to Node B reporting service buffer data size at present.
Summary of the invention
The embodiment of the invention proposes a kind of method of reporting service buffer data size, is used for UE to Node B reporting service buffer data size.
The embodiment of the invention proposes a kind of subscriber equipment, is used for the reporting service buffer data size to Node B.
Technical scheme of the present invention is achieved in that
A kind of method of reporting service buffer data size comprises:
Subscriber equipment with the carrying of the idle bit among the E-UCCH, is sent to base station by E-UCCH with service buffer data size; Wherein, the idle bit among the described E-UCCH by: shorten TBS among the E-UCCH or RSN length the bit that goes out of free time.
A kind of subscriber equipment comprises:
Carrier module is used for the idle bit carrying of service buffer data size with E-UCCH; Idle bit among the described E-UCCH by: shorten TBS among the E-UCCH or RSN length the bit that goes out of free time;
Sending module is used for described idle bit loaded service buffer data size with E-UCCH is sent to the base station by E-UCCH.
As seen, method and subscriber equipment that the embodiment of the invention proposes, by shortening TBS or the RSN length among the existing E-UCCH, can go out the idle bit of certain-length the free time, adopt the buffer data size of these idle bit carrying specific transactions, promptly can report the buffer data size of specific transactions to the base station by E-UCCH.
Description of drawings
Fig. 1 is a prior art scheduled transmission method flow diagram;
Fig. 2 is the method flow diagram of embodiment of the invention reporting service buffer data size.
Embodiment
The embodiment of the invention proposes a kind of method of UE reporting service buffer data size, use this method, UE can report to the buffer data size of specific transactions Node B, referring to Fig. 2, Fig. 2 is the method flow diagram of embodiment of the invention reporting service buffer data size, and this method comprises:
Step 201: subscriber equipment with service buffer data size with the carrying of the idle bit among the E-UCCH, wherein, the idle bit among the described E-UCCH by: shorten TBS among the E-UCCH or RSN length the bit that goes out of free time;
Step 202: subscriber equipment is sent to the base station with service buffer data size by E-UCCH;
Wherein, above-mentioned business can be professional for Internet protocol voice (VoIP, Voice over InternetProtocol), by Internet protocol transmission circuit territory voice (CS voice over IP) business with by data packet length relative fixed such as Internet protocol transmission of video (Video over IP) business and business that delay performance is had relatively high expectations.Below be that example is elaborated with the VoIP business.
Preamble is mentioned, and in the prior art, the E-UCCH loaded information comprises that length is the HARQ process ID that the TBS of 6bit, RSN that length is 2bit and length are 2bit.For bearer service buffer data size in E-UCCH, just need to shorten the length of above-mentioned information, the bit bearer service buffer data size that goes out with the free time.For the VoIP business, because its packet size relative fixed, therefore the TBS length 6bit more of the prior art that needs wants much less, can suitably shorten the length of TBS, can be 2,3,4 or 5bit with the contraction in length of TBS; In addition, the length of existing RSN can also be shortened to 1bit by 2bit, like this, the length of idle bit can be 1,2,3,4 or 5bit, is used for the carrying VoIP service buffer data size.Referring to table 2, table 2 is the length of each information of E-UCCH carrying after the above-mentioned adjustment.
| TBS | ?5bit | ?4bit | ?3bit | ?2bit | ?5bit | ?4bit | ?3bit | ?2bit |
| ?RSN | ?1bit | ?1bit | ?1bit | ?1bit | ?2bit | ?2bit | ?2bit | ?2bit |
| The idle bit of bearer service buffer memory | 2bit | ?3bit | ?4bit | ?5bit | ?1bit | ?2bit | ?3bit | ?4bit |
Table 2
Certainly, shown in the above-mentioned table 2 only is one embodiment of the present of invention, the present invention also comprises the mode of other adjustment information length, as long as shorten the length of TBS, RSN or HARQ process ID under the prerequisite that guarantees TBS, RSN and the enough usefulness of HARQ process ID length, the bit bearer service buffer data size that goes out with the free time gets final product.Idle bit is long more, and the represented precision of its loaded service buffer data size is just high more.
In the said method, service buffer data size can be used buffer status (BS, Buffer Status) expression, BS represents the VoIP service buffer amount of UE, the mapping relations of pre-defined different VoIP service buffer amount and BS, UE chooses corresponding BS and is sent to the base station according to current VoIP service buffer amount.As, when VoIP service buffer amount was 0, selecting the BS value was 0.
Perhaps, in the said method, service buffer data size can also be used service condition, and (SS represents the service condition of the current VoIP of UE for SS, ServiceStatus) expression, as activating, mourning in silence or signaling status.The mapping relations of pre-defined different VoIP service condition and SS, SS length can be 2bit, mapping relations can for: when the SS value is " 00 ", the expression state of activation; When the SS value is " 01 ", the expression silent status; When the SS value is " 10 ", the expression signaling status.UE chooses corresponding SS and is sent to the base station according to current VoIP service condition.
Said method can further include: when among the E-DCH during no effective business datum, subscriber equipment reports to the base station with the indication information of no effective business datum among the described E-DCH by E-UCCH.Can set a kind of invalid TBS, promptly value is 0 TBS, is used for representing no effective business datum among the E-DCH.For UE sets TBS, can adopt predefined mode in advance, also can be the UE configuration and notify by network side by high-level signaling.At this moment, the information of E-UCCH is still effective, and UE can be to the base station reporting service buffer data size.
After E-PUCH is received in the base station,, be invalid TBS at first, think that then the E-DCH data are invalid, know the state variation of UE by the service buffer data size of E-UCCH if solve TBS to the E-UCCH decoding.
Said method can also comprise: the ascending physical signal scheduling of resource is carried out according to the service buffer data size of receiving in the base station.For example, when BS represented that VoIP service buffer amount is 0, a spot of ascending physical signal resource can be distributed in the base station, distributed the uplink code channel of a SF16 as every 20ms.And for example: when SS represented that the VoIP service condition is state of activation, more ascending physical signal resource can be distributed in the base station, distributed the uplink code channel of a SF2 as every 20ms; When SS represented that the VoIP service condition is silent status, a spot of ascending physical signal resource can be distributed in the base station, distributed the uplink code channel of a SF4 as every 160ms.In a word, the mode of distribution is decided according to concrete occupation condition, but the specific transactions buffer memory that UE reports all can be considered in the base station when scheduling.
It is worthy of note, be to be that example is illustrational in the foregoing description with the VoIP business, said method is equally applicable to and other specific transactions like the VoIP service class, and as CS voice over IP operation, Video over IP operation etc., the present invention does not limit the type of specific transactions.
The embodiment of the invention also proposes a kind of subscriber equipment, comprising:
Carrier module is used for the idle bit carrying of service buffer data size with E-UCCH; Idle bit among the described E-UCCH by: shorten TBS among the E-UCCH or RSN length the bit that goes out of free time;
Sending module is used for described idle bit loaded service buffer data size with E-UCCH is sent to the base station by E-UCCH.
Above-mentioned subscriber equipment may further include:
The indication information sending module is used for when the no effective business datum of E-DCH, and the indication information of no effective business datum among the described E-DCH is reported to the base station by E-UCCH.
In the above-mentioned subscriber equipment, the length of idle bit can be 1,2,3,4 or 5 bits; Shorten TBS length can for: with the contraction in length of TBS is 2,3,4 or 5 bits; Shorten RSN length can for: with the contraction in length of RSN is 1 bit.
Service buffer data size is represented with BS or SS.
As fully visible, method and subscriber equipment that the present invention proposes, by shortening TBS or the RSN length among the existing E-UCCH, can go out the idle bit of certain-length the free time, adopt the buffer data size of these idle bit carrying specific transactions, just can report the buffer data size of specific transactions to the base station by E-UCCH.Wherein, the buffer data size of specific transactions can be represented with buffer status or service condition.The buffer data size of the specific transactions that reports can be used as the reference information of base station scheduling ascending physical signal resource, improves the efficient of scheduling.
Claims (10)
1, a kind of method of reporting service buffer data size is characterized in that, described method comprises:
Subscriber equipment with the idle bit carrying among the enhancement type special channel uplink control channel E-UCCH, is sent to base station by E-UCCH with service buffer data size; Wherein, the idle bit among the described E-UCCH by: shorten transmission block size TBS among the E-UCCH or re-transmission sequence number RSN length the bit that goes out of free time.
2, method according to claim 1 is characterized in that, described method further comprises:
When among the enhancement type special channel E-DCH during no effective business datum, subscriber equipment reports to the base station with the indication information of no effective business datum among the described E-DCH by E-UCCH.
3, method according to claim 2 is characterized in that, the indication information of no effective business datum is among the described E-DCH: value is 0 TBS.
4, method according to claim 1 is characterized in that, the length of described idle bit is 1,2,3,4 or 5 bits;
The length of described shortening TBS is: with the contraction in length of TBS is 2,3,4 or 5 bits;
The length of described shortening RSN is: with the contraction in length of RSN is 1 bit.
5, method according to claim 1 is characterized in that, described service buffer data size is represented with buffer status BS or service condition SS.
6, method according to claim 1 and 2 is characterized in that, described method further comprises: the ascending physical signal scheduling of resource is carried out according to described service buffer data size in the base station.
7, a kind of subscriber equipment is characterized in that, described subscriber equipment comprises:
Carrier module is used for the idle bit carrying of service buffer data size with E-UCCH; Idle bit among the described E-UCCH by: shorten TBS among the E-UCCH or RSN length the bit that goes out of free time;
Sending module is used for described idle bit loaded service buffer data size with E-UCCH is sent to the base station by E-UCCH.
8, subscriber equipment according to claim 7 is characterized in that, described subscriber equipment further comprises:
The indication information sending module is used for when the no effective business datum of E-DCH, and the indication information of no effective business datum among the described E-DCH is reported to the base station by E-UCCH.
9, subscriber equipment according to claim 7 is characterized in that, the length of described idle bit is 1,2,3,4 or 5 bits;
The length of described shortening TBS is: with the contraction in length of TBS is 2,3,4 or 5 bits;
The length of described shortening RSN is: with the contraction in length of RSN is 1 bit.
10, subscriber equipment according to claim 7 is characterized in that, described service buffer data size is represented with BS or SS.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111892A (en) * | 2009-12-24 | 2011-06-29 | 普天信息技术研究院有限公司 | Method for reporting scheduling information (SI) of User Equipment (UE) |
| WO2018219323A1 (en) * | 2017-05-31 | 2018-12-06 | 中兴通讯股份有限公司 | Method, device and system for transmitting service flow in flexible ethernet protocol |
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| CN101123470B (en) * | 2006-08-11 | 2012-05-30 | 电信科学技术研究院 | Message reuse and transmission method and system for confirmed indicative channels |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111892A (en) * | 2009-12-24 | 2011-06-29 | 普天信息技术研究院有限公司 | Method for reporting scheduling information (SI) of User Equipment (UE) |
| CN102111892B (en) * | 2009-12-24 | 2014-02-12 | 普天信息技术研究院有限公司 | Method for reporting scheduling information (SI) of User Equipment (UE) |
| WO2018219323A1 (en) * | 2017-05-31 | 2018-12-06 | 中兴通讯股份有限公司 | Method, device and system for transmitting service flow in flexible ethernet protocol |
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