CN106304370B - For the method for BSR MAC CE to be arranged in the communication system based on carrier wave polymerization enhancing - Google Patents
For the method for BSR MAC CE to be arranged in the communication system based on carrier wave polymerization enhancing Download PDFInfo
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- CN106304370B CN106304370B CN201510250347.6A CN201510250347A CN106304370B CN 106304370 B CN106304370 B CN 106304370B CN 201510250347 A CN201510250347 A CN 201510250347A CN 106304370 B CN106304370 B CN 106304370B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1215—Wireless traffic scheduling for collaboration of different radio technologies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of in the communication system based on carrier wave polymerization enhancing for the method for BSR MAC CE to be arranged.In the present invention, new BSR MAC CE is defined, can support the situation of the carrier wave polymerization enhancing more than 5 component carriers, such as 32 component carriers.This programme introduce the buffer sizes table of grading newly defined, new BSR MAC CE and in a TTI transmit two BSR user equipment operation.This programme not only allows for the granularity of BSR to ensure the efficiency of scheduler, and has also contemplated signalling efficiency and simplification.
Description
Technical field
The present invention relates to mobile communication technology more particularly to it is a kind of based on carrier wave polymerization enhancing communication system in be used for
The method of BSR MAC CE is set.
Background technique
In carrier wave polymerization enhancing system in Rel-13, agreement will be supported until 32 component carriers.In up-link
In, related data are provided using buffer status reporting (buffer status report, BSR) process come the base station for service
The information of quantity.The data of these quantity can be used for transmitting in the upper line buffer of MAC entity.In current system, BSR
MAC control element (MAC Control Element, MAC CE) includes the buffer sizes domain of 6 bits, is used to indicate buffering ruler
Corresponding call number in very little table of grading.Definition of getting off the case where considering uplink maximum data rate and round-trip delay (RTT) buffers
Maximum cushioning size in size grades table.Since carrier wave polymerization enhancing system will support 32 component carriers, corresponding uplink
Maximum data rate will also increase, therefore existing maximum cushioning size is also required to increase.This is because if using it is existing most
Big buffer sizes are the buffer sizes domain of 3M byte and 6 bits, then the granularity realized will be not for scheduler
Preferably.
In existing up-link, BSR MAC CE includes short BSR/ truncation BSR and long BSR.It is shown in FIG. 1 short
The format of BSR is truncated in BSR/, has 1 byte, and the buffer sizes domain in the domain LCG ID including 2 bits and 6 bits.In
The format of long BSR is shown in Fig. 2, there are 3 bytes, and have and be respectively corresponding to LCG ID (logic channel group mark
Know) 4 buffer sizes domains of #0 to #3, each buffer sizes domain includes 6 bits.
Therefore, BSR or long BSR is truncated in either short BSR/, and MAC CE includes buffer sizes domain (the long BSR of 6 bits
Including 4 buffer sizes domains), the corresponding call number being used to indicate in buffer sizes table of grading.In the case, institute as above
It states, maximum buffer sizes are 3M byte.But if necessary to support 32 component carriers, still use R10 maximum transmitted TB block
And 4 layers of MIMO, then need support 19.2M byte.Therefore, the buffer sizes domain of existing 6 bit obtains and R10 similar
Granularity is inadequate.
Summary of the invention
In order to solve the above-mentioned technical problem, enhancing system will be polymerize in the present invention for carrier wave and proposes a kind of new BSR
MAC CE scheme.
According to the first aspect of the invention, propose it is a kind of in the communication system based on carrier wave polymerization enhancing for being arranged
The method of BSR MAC CE, which comprises set the buffer sizes domain in the BSR MAC CE to include m ratio
Spy, wherein m is greater than 6.
According to the second aspect of the invention, propose it is a kind of in the communication system based on carrier wave polymerization enhancing for being arranged
The method of BSR MAC CE, which comprises multiple buffer sizes table of grading are set, different minimal bufferings is respectively provided with
Size and maximum cushioning size；And one is selected from the multiple buffer sizes table of grading according to the buffer sizes of user equipment
A buffer sizes table of grading.
According to the third aspect of the invention we, propose it is a kind of in the communication system based on carrier wave polymerization enhancing for being arranged
The method of BSR MAC CE, which comprises multiple buffer sizes table of grading are set, different maximum cushionings is respectively provided with
Size；And a buffer sizes grade is selected from the multiple buffer sizes table of grading according to the buffer sizes of user equipment
Table.
According to the fourth aspect of present aspect, proposes a kind of user in the communication system based on carrier wave polymerization enhancing and set
For the method for BSR MAC CE to be arranged in standby, which comprises multiple buffer sizes table of grading are arranged in A., are respectively provided with
Different maximum cushioning sizes；B. the first buffer sizes table of grading is selected from the multiple buffer sizes table of grading, in institute
Stating has maximum maximum cushioning size in multiple buffer sizes table of grading, and true according to the buffer sizes of the user equipment
It is scheduled on the call number of the grade in the first buffer sizes table of grading；C. second is selected from remaining buffer sizes table of grading
Buffer sizes table of grading has the first maximum cushioning size in remaining described buffer sizes table of grading, and described first most
Big buffer sizes are greater than and the buffer sizes of the closest user equipment, and true according to the buffer sizes of the user equipment
It is scheduled on the call number of the grade in the second buffer sizes table of grading；And D. sends two BSR MAC in a TTI
CE, it is corresponding with the first and second buffer sizes table of grading respectively, and the buffer sizes domain in each BSR MAC CE
For indicating respectively identified call number.
In the present invention, new BSR MAC CE is defined, can support that the carrier wave polymerization more than 5 component carriers increases
Strong situation, such as 32 component carriers.This programme introduce the buffer sizes table of grading newly defined, new BSR MAC CE with
And the operation of the user equipment of two BSR is transmitted in a TTI.This programme not only allows for the granularity of BSR to ensure to adjust
The efficiency of device is spent, and has also contemplated signalling efficiency and simplification.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent:
Fig. 1 shows the format of short BSR/ truncation BSR in the prior art；
Fig. 2 shows the formats of long BSR in the prior art；
Fig. 3 shows the format of short BSR/ truncation BSR according to an embodiment of the invention；
Fig. 4 shows the format of the truncation of short BSR/ according to another embodiment of the invention BSR；And
Fig. 5 shows the format of long BSR according to still another embodiment of the invention；And
Run through different diagrams in the figure, same or similar appended drawing reference indicates identical or corresponding component or spy
Sign.
Specific embodiment
The main purpose of the present invention is to provide a kind of new BSR MAC CE and buffering size grades table and users
The new transmission operation of equipment side, to support the situation of the carrier wave polymerization enhancing more than 5 component carriers.
First embodiment:
In this embodiment, the bit number for including by the buffer sizes domain in BSR MAC CE extends, that is, is greater than existing skill
6 bits in art, to obtain and the similar granularity in existing buffer sizes table of grading.At of the invention one
In embodiment, buffer sizes domain can be extended to including 8 bits.Hereinafter it is illustrated by taking 8 bits as an example.But
It will be understood by those of skill in the art that the scope of protection of the present invention is not limited to this.
In the case where 8 bit, buffer sizes table of grading will include 28A grade.These grades pass through phase in table respectively
The call number answered indicates, namely there are 28A call number.
Here, standard will calculate maximum cushioning according to the uplink maximum data rate and RTT of for example supporting 32 component carriers
Size thereby determines that buffer sizes table of grading.For example, the maximum cushioning in buffer sizes table of grading is sized to by standard
The value after calculating is stated, minimal buffering is sized to 0 byte.In the case where previously described 8 bit, identified buffering
Size table will can support the upstream data amount of 19.2M byte above-mentioned.
In operation, user equipment is according to the upstream data amount in oneself buffer (that is, the buffering ruler of user equipment
It is very little) to determine adaptable grade in the buffer sizes table of grading.The grade indicates the upper line number that user equipment needs to transmit
According to amount in the rate range.Then, user equipment can determine call number corresponding with the grade.Hereafter, user equipment will
8 bits in buffer sizes domain in BSR MAC CE are set as indicating the call number.
Fig. 3 shows the format of short BSR/ truncation BSR according to an embodiment of the invention.Here, BSR MAC CE
It can be set to be greater than 1 byte.In this embodiment, 2 bytes are illustratively set by BSR MAC CE.Wherein, 2
Preceding 2 bits in byte are arranged for LCG ID, and 8 subsequent bits are arranged for buffer sizes domain.Remaining 6
A reservation bit R can be used for other application, or can be used for buffer sizes domain.
Fig. 4 shows the format of the truncation of short BSR/ according to another embodiment of the invention BSR.Here, by BSR MAC
Reservation bit in the corresponding MAC PDU subheader portion CE is provided for instruction LCG ID, and sets BSR MAC CE to
It only include buffer sizes domain.Therefore, in this embodiment, BSR MAC CE length can be 1 byte, and this byte is all used
In buffer sizes domain.
Fig. 5 shows the format of long BSR according to still another embodiment of the invention.As shown in figure 5, there are 4 to be delayed for it
Size field is rushed, and each buffer sizes domain includes 8 bits.
The method of above-mentioned setting BSR MAC CE will be applied respectively in user equipment and base station side.In user equipment side, In
After the BSR MAC CE in such as Fig. 3, Fig. 4 or Fig. 5, which is sent to base station by user equipment.
Second embodiment:
In this embodiment, multiple buffer sizes table of grading are set, different minimal buffering size and most is respectively provided with
Big buffer sizes.
In one embodiment, the buffer sizes domain of 6 bits is still applied, therefore each buffer sizes table of grading includes 64
A grade and corresponding call number.Preferably, these buffer sizes table of grading mutually connect namely a buffer sizes table of grading
Maximum cushioning size be another buffer sizes table of grading minimal buffering size.
Here, maximum cushioning size required for also first being calculated based on uplink maximum data rate and RTT namely user are set
The upstream data amount that standby maximum possible needs to transmit.Such as standard will be according to the uplink maximum number for for example supporting 32 component carriers
Maximum cushioning size is calculated according to rate and RTT, most in this, as the buffer sizes table of grading with maximum maximum cushioning size
Big buffer sizes.For example, the identified maximum cushioning size supports the upstream data amount of 19.2M byte above-mentioned.
In one embodiment, since these buffer sizes table of grading can be connected mutually, and these buffer sizes etc.
Minimal buffering size in grade table be 0 byte and maximum cushioning having a size of 19.2M byte, therefore in each buffer sizes table of grading
In the case where including 64 grades, it is divided into 4 buffer sizes table of grading.
In operation, user equipment is according to the upstream data amount in oneself buffer (that is, the buffering ruler of user equipment
It is very little) to select a buffer sizes table of grading from multiple buffer sizes table of grading.The buffer sizes table of grading includes that user sets
The standby current desired upstream data amount to be transmitted.Then, user equipment determines mutually suitable in selected buffer sizes table of grading
The grade answered, so that it is determined that call number corresponding with the grade.Then, with the buffer sizes domain in BSR MAC CE to indicate
The call number of selection.Here, the BSR MAC CE will indicate selected buffer sizes table of grading and selected buffering ruler
Call number in very little table of grading.
Specifically, the index of buffer sizes table of grading can be achieved in that
1. buffer sizes grade table index domain is arranged in BSR MAC CE, it is used to indicate selected buffer sizes etc.
Grade table.
2. the LCID (Logic Channel Identifier) in the corresponding MAC PDU subheader portion BSR MAC CE is provided for indicating
Selected buffer sizes table of grading.It is, for example, possible to use the reservation bits in LCID.
3. the reservation bit in the corresponding MAC PDU subheader portion BSR MAC CE is provided for indicating selected slow
Rush size grades table.
4. the reservation bit in MAC PDU subheader portion in LCID and MAC PDU subheader portion can be used in combination to indicate
The buffer sizes table of grading of selection.
Similarly, the above method is predefined in user equipment and base station two sides.Then, user equipment will setting completed
BSR MAC CE afterwards is sent to base station.
3rd embodiment:
In this embodiment, multiple buffer sizes table of grading are set, different maximum cushioning sizes is respectively provided with.It is preferred that
Ground, these buffer sizes table of grading minimal buffering size having the same, such as 0 byte or 10 bytes.Namely these buffering rulers
Very little table of grading has different granularities.
It in one embodiment of the invention, can be according to the number of the component carrier of the quantity and/or activation of component carrier
Amount determines the maximum cushioning size in each buffer sizes table of grading.Therefore, each maximum cushioning size can correspond respectively to
The communication system of carrier wave polymerization enhancing with different component carrier quantity.In other words, in each buffer sizes table of grading
Maximum cushioning size be the component carrier different from support uplink maximum data rate it is corresponding.For example, can preparatory root
Corresponding buffer sizes table of grading is determined according to the quantity of the component carrier in current system.
In operation, user equipment can be according to current desired upstream data amount (that is, the buffering ruler of user equipment
It is very little) select a buffer sizes table of grading, and determine in the selected buffer sizes table of grading in turn be adapted etc.
Grade, so that it is determined that call number corresponding with the grade.
Then, as previously mentioned, selected call number will indicate with buffer sizes domain.
Similarly, the above method is predefined in user equipment and base station two sides.Then, user equipment will setting completed
BSR MAC CE afterwards is sent to base station.
Furthermore, it is possible to which the mode similar with second embodiment indicates selected buffer sizes table of grading.
Alternatively, the quantity of base station component carrier according to present in current system and/or the component of activation carry
The quantity of wave implicitly determines the selected buffer sizes table of grading of user equipment, without sending additional instruction.
Fourth embodiment:
In this embodiment, two BSR MAC CE will be sent in a TTI.The two BSR MAC CE respectively with
Different buffer sizes table of grading is related.
In this embodiment, multiple buffer sizes table of grading will be also set, different maximum cushioning sizes is respectively provided with.
Preferably, these buffer sizes table of grading minimal buffering size having the same, such as 0 byte or 10 bytes.Namely these are slow
Size grades table is rushed with different granularities.
It is similar with preceding several embodiments, also it will first be calculated required for user equipment based on uplink maximum data rate and RTT
The upstream data amount that maximum cushioning size namely user equipment maximum possible need, in this, as with maximum maximum cushioning
The maximum cushioning size of the buffer sizes table of grading of size.
In this embodiment, two BSR MAC CE will be sent to be progressively decreased granularity.
Firstly, user equipment selects the first buffer sizes table of grading from multiple buffer sizes table of grading, more than these
There is maximum maximum cushioning size in a buffer sizes table of grading.Then, user equipment is according to required upstream data amount
(that is, buffer sizes of user equipment) determine the corresponding call number in the first buffer sizes table of grading.
Then, user equipment selects the second buffer sizes table of grading from remaining buffer sizes table of grading, at these
There is the first maximum cushioning size in remaining buffer sizes table of grading.The first maximum cushioning size is greater than and closest to user
Upstream data amount required for equipment.Then, user equipment, which is also determined according to required upstream data amount, buffers ruler second
The call number of grade in very little table of grading.
Then, in a TTI send two BSR MAC CE, respectively with above-mentioned first and second buffer sizes grade
Table is corresponding, and the buffer sizes domain in each BSR MAC CE is for indicating respectively identified call number.
Therefore, user equipment will select two buffer sizes table of grading, and granularity is gradually fine.
In one embodiment of the invention, no need to send the information for extraly indicating buffer sizes table of grading.Base station
The second buffer sizes table of grading can be implicitly inferred to according to the call number in the first buffer sizes table of grading.And due to
First buffer sizes table of grading always has the buffer sizes table of grading of maximum maximum cushioning size, therefore, also do not need to send out
Send the instruction information for the first buffer sizes table of grading.
Alternatively, mode that can also be similar with second and third embodiments indicates selected buffer sizes grade
Table.
It preferably, can also be in conjunction with preceding several embodiments, according to the quantity of component carrier and/or the component carrier of activation
Quantity determines the maximum cushioning size in each buffer sizes table of grading.
It should be noted that above-described embodiment is only exemplary, rather than limitation of the present invention.It is any without departing substantially from this hair
The technical solution of bright spirit should all be fallen under the scope of the present invention, this includes using occurring in different embodiments not
Same technical characteristic, installation method can be combined, to obtain beneficial effect.In addition, should not will be any attached in claim
Icon note is construed as limiting the claims involved；One word of " comprising " is not excluded for unlisted in other claims or specification
Device or step.
Claims (4)
1. a kind of method for being used to be arranged BSR MAC CE in the communication system based on carrier wave polymerization enhancing, the method packet
It includes:
Buffer sizes domain in the BSR MAC CE is set as including m bit, wherein m is greater than 6,
Wherein, when the BSR is short BSR, by the reservation bit in the subheader portion of the corresponding MAC PDU of the BSR MAC CE
It is provided for instruction LCG ID, and the BSR MAC CE is set as only including the buffer sizes domain.
2. the method according to claim 1, wherein m is equal to 8.
3. method according to claim 1 or 2, which is characterized in that when the BSR is long BSR, the MAC CE is set
It is set to and is greater than 3 bytes.
4. the method according to claim 1, wherein buffer sizes table of grading includes 2mA grade, and the m
A bit is used to indicate the index of grade corresponding with the buffer sizes of user equipment, in the buffer sizes table of grading
Number.
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| CN201510250347.6A CN106304370B (en) | 2015-05-15 | 2015-05-15 | For the method for BSR MAC CE to be arranged in the communication system based on carrier wave polymerization enhancing |
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| CN201510250347.6A CN106304370B (en) | 2015-05-15 | 2015-05-15 | For the method for BSR MAC CE to be arranged in the communication system based on carrier wave polymerization enhancing |
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| CN106304370B true CN106304370B (en) | 2019-11-29 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10511994B2 (en) * | 2017-06-15 | 2019-12-17 | Kt Corporation | Methods for configuring buffer status report for next-generation mobile communication and apparatuses thereof |
| CN109041115B (en) * | 2017-06-16 | 2020-01-21 | 华为技术有限公司 | Method for sending cache status report and user equipment |
| CN110677872B (en) * | 2017-08-11 | 2020-11-24 | 华为技术有限公司 | Data transmission method, equipment and communication system |
| CN113727390B (en) * | 2021-08-23 | 2023-07-07 | 中国联合网络通信集团有限公司 | Data transmission method, device and communication system |
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| CN101932019A (en) * | 2009-06-19 | 2010-12-29 | 中兴通讯股份有限公司 | Method, terminal and network system for reporting buffer status report |
| CN102111751A (en) * | 2009-12-28 | 2011-06-29 | 电信科学技术研究院 | Method and device for reporting buffer state report |
| CN102291771A (en) * | 2010-06-21 | 2011-12-21 | 中兴通讯股份有限公司 | Method and system for realizing buffer region state reporting |
| CN102918881A (en) * | 2010-06-21 | 2013-02-06 | 上海贝尔股份有限公司 | Method and device for delivery of BSR information to assist efficient scheduling |
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2015
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101932019A (en) * | 2009-06-19 | 2010-12-29 | 中兴通讯股份有限公司 | Method, terminal and network system for reporting buffer status report |
| CN102111751A (en) * | 2009-12-28 | 2011-06-29 | 电信科学技术研究院 | Method and device for reporting buffer state report |
| CN102291771A (en) * | 2010-06-21 | 2011-12-21 | 中兴通讯股份有限公司 | Method and system for realizing buffer region state reporting |
| CN102918881A (en) * | 2010-06-21 | 2013-02-06 | 上海贝尔股份有限公司 | Method and device for delivery of BSR information to assist efficient scheduling |
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