CN102821474B - A kind of PUSCH resource regulating methods and system - Google Patents
A kind of PUSCH resource regulating methods and system Download PDFInfo
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- CN102821474B CN102821474B CN201110153689.8A CN201110153689A CN102821474B CN 102821474 B CN102821474 B CN 102821474B CN 201110153689 A CN201110153689 A CN 201110153689A CN 102821474 B CN102821474 B CN 102821474B
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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
- H04W72/27—Control channels or signalling for resource management between access points
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Abstract
The invention discloses a kind of Physical Uplink Shared Channel (PUSCH) resource regulating method, including：Base station belonging to cell obtains Physical Random Access Channel (PRACH) resource information of the cell adjacent area；According to the PRACH resource informations of the cell adjacent area of acquisition, PUSCH scheduling of resource is carried out to the user terminal in the cell.The present invention also accordingly discloses a kind of PUSCH resource scheduling systems.Pass through the present invention, base station can control the PUSCH resource allocations of cell to try one's best and avoid the resource of adjacent area PRACH occupancy, so, the PUSCH scheduling of resource of the cell will reduce the interference brought to the PRACH of adjacent area, so as to improve the accuracy of adjacent area PRACH signal resolutions, further improve access probability, reduce access delay.
Description
Technical field
The present invention relates to scheduling of resource technology, more particularly to a kind of Physical Uplink Shared Channel (Physical Uplink
Shared Channel, PUSCH) resource regulating method and system.
Background technology
In Long Term Evolution (Long Term Evolution, LTE) system, terminal passes through Physical Random Access Channel
(Physical Random Access Channel, PRACH) sends accidental access signal, initiating random access procedure, at random
Access channel (Random Access Channel, RACH) is used for handling the accidental access signal of PRACH transmissions, completes random
The processing of access procedure, PRACH and RACH specific channel mapping relations are as shown in Figure 1.
In the prior art, in order to improve the access probability and access delay of terminal, base station (eNB) needs correctly to demodulate
PRACH resources, still, random access procedure can be influenceed by the inter-cell interference of the up PUSCH channels from adjacent area, when
When the interference of adjacent area PUSCH channels is larger, the parsing of current area PRACH signals can be influenceed, and PRACH signal resolution mistake meetings
Access probability is caused to reduce and access delay increase.
The content of the invention
In view of this, it is a primary object of the present invention to provide a kind of PUSCH resource regulating methods and system, it is possible to increase
The accuracy of adjacent area PRACH signal resolutions, so as to improve access probability, reduce access delay.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of Physical Uplink Shared Channel PUSCH resource regulating methods, including：
Base station belonging to cell obtains the Physical Random Access Channel PRACH resource informations of the cell adjacent area；
Base station belonging to the cell is according to the PRACH resource informations of the cell adjacent area of acquisition, to the use in the cell
Family terminal carries out PUSCH scheduling of resource.
The PRACH resource informations that base station belonging to the cell obtains the cell adjacent area are：
Request message is set up by the X2 from the base station belonging to adjacent area or base station configuration updating information obtains the adjacent area
PRACH resource informations.
The PRACH resource informations of the cell adjacent area according to acquisition, PUSCH resources are carried out to the user terminal in cell
It is scheduling to：
PUSCH scheduling of resource is carried out based on the unappropriated resources of all adjacent area PRACH；
All unappropriated resources of adjacent area PRACH can not meet PUSCH scheduling of resource demands, then by non-edge user's
Resource shared by PUSCH scheduling of resource to adjacent area PRACH, and carry out power limit.
The PRACH resource informations include：Root sequence index rootSequenceIndex, zero correlation sequences configuration
ZeroCorrelationZoneConfig, at a high speed instruction highSpeedFlag, PRACH frequency offsets prach-
FreqOffset, PRACH configuration index prach-ConfigIndex.
A kind of PUSCH resource scheduling systems, including：Interface module, neighboring BS information acquisition module, MAC scheduler modules；Its
In,
The interface module, for being communicated with the base station described in cell adjacent area；
The neighboring BS information acquisition module, the PRACH resource informations for obtaining cell adjacent area by interface module；
The MAC scheduler modules, for the PRACH resource informations obtained according to neighboring BS information acquisition module, to described small
User terminal in area carries out PUSCH scheduling of resource.
The PRACH resource informations that the neighboring BS information acquisition module obtains cell adjacent area by interface module are：By coming
Request message is set up from the X2 of the base station belonging to adjacent area or base station configuration updating information obtains the PRACH resources letter of the adjacent area
Breath.
The PRACH resource informations that the MAC scheduler modules are obtained according to neighboring BS information acquisition module, to the user in cell
Terminal carries out PUSCH scheduling of resource：
PUSCH scheduling of resource is carried out based on the unappropriated resources of all adjacent area PRACH；
All unappropriated resources of adjacent area PRACH can not meet PUSCH scheduling of resource demands, then by non-edge user's
Resource shared by PUSCH scheduling of resource to adjacent area PRACH, and carry out power limit.
The PRACH resource informations that the neighboring BS information acquisition module is obtained include：rootSequenceIndex、
zeroCorrelationZoneConfig、highSpeedFlag、prach-FreqOffset、prach-ConfigIndex。
PUSCH resource regulating methods of the present invention and system, when base station is that user terminal distributes PUSCH resources, with reference to user
The PRACH resource informations of the adjacent area of cell are allocated where terminal.By the present invention, base station can control the PUSCH of cell
Resource allocation, which is tried one's best, avoids the resource of adjacent area PRACH occupancy, so as to ensure the cell in the unappropriated resource up-regulations of adjacent area PRACH
User is spent, and/or, non-edge user, but power limited during scheduling are dispatched in the resource that adjacent area PRACH takes, so, this is small
The PUSCH scheduling of resource in area will reduce the interference brought to the PRACH of adjacent area, so as to improve adjacent area PRACH signal resolutions
Accuracy, further improves access probability, reduces access delay.
Brief description of the drawings
Fig. 1 is PRACH and RACH specific channel mapping relations schematic diagram；
Fig. 2 is PUSCH resource regulating methods schematic flow sheet of the present invention；
Fig. 3 is the method flow schematic diagram for the PRACH resource informations that a kind of base station of the embodiment of the present invention obtains cell adjacent area；
Fig. 4 is the method flow signal for the PRACH resource informations that another base station of the embodiment of the present invention obtains cell adjacent area
Figure；
Fig. 5 is the method flow schematic diagram that the embodiment of the present invention carries out PUSCH scheduling of resource to the user terminal in cell；
Fig. 6 is PUSCH resource scheduling systems structural representation of the present invention；
Fig. 7 is 1PUSCH resource regulating method schematic flow sheets of the embodiment of the present invention；
Fig. 8 is 2PUSCH resource regulating method schematic flow sheets of the embodiment of the present invention.
Embodiment
Request (X2 SETUP REQUEST) message or base station configuration updating (ENB can be set up by X2 between base station
CONFIGURATION UPDATE) message carries out the exchanges of PRACH resource informations, specifically, it is general by X2 set up message or
PRACH configurations (the PRACH of service cell information (Served Cell Information) cell in eNB configuration update messages
Configuration it can include in) sub- cell transfer PRACH resource informations, the sub- cells of PRACH Configuration following
Parameter：Root sequence index (rootSequenceIndex), zero correlation sequences configuration (zeroCorrelationZoneConfig),
(highSpeedFlag), PRACH frequency offsets (prach-FreqOffset), PRACH configuration indexs (prach- are indicated at a high speed
ConfigIndex)。
Based on this, basic thought of the invention is：Received by being exchanged with the PRACH resource informations of adjacent area current area
Collect the PRACH resource informations of adjacent area, the distribution of the PUSCH resources of current area is controlled by these information, adjacent area is avoided
PRACH transmit, it is ensured that current area not adjacent area PRACH take resource on scheduling edge customer or scheduling when power by
Limit, so, the PUSCH scheduling of resource of this cell will reduce the interference brought to the PRACH resources of adjacent area, so as to reach system
The lifting of performance.
Fig. 2 is PUSCH resource regulating methods schematic flow sheet of the present invention, as shown in Fig. 2 this method includes：
Step 21：Base station belonging to cell obtains the PRACH resource informations of the cell adjacent area.
Step 22：Base station belonging to the cell is according to the PRACH resource informations of the cell adjacent area of acquisition, to the cell
In user terminal carry out PUSCH scheduling of resource.
In step 21, request message can be specifically set up by X2 or eNB configuration update messages obtain the PRACH moneys of adjacent area
Source information, if it is eNB2 that the base station belonging to cell, which is eNB1, the base station belonging to cell adjacent area, as shown in figure 3, step 21 has
Body includes：
Step 211：ENB2 sends X2SETUP REQUEST to eNB1；
Step 212：ENB1 receives the X2 SETUP REQUEST of eNB2 transmissions, preserves eNB2 PRACH information, returns to X2
SETUP RESPONSE are to eNB2；
Step 213：ENB1 sends X2 SETUP REQUEST message to eNB2；
Step 214：ENB2 receives the X2 SETUP REQUEST of eNB1 transmissions, preserves eNB1 PRACH information, returns to X2
SETUP RESPONSE are to eNB1；
Or, as shown in figure 4, step 21 is specifically included：
Step 211 '：ENB1 receives the ENB CONFIGURATION UPDATE of eNB2 transmissions；
Step 212 '：ENB1 updates the PRACH resource informations for preserving eNB2, returns to base station configuration updating and confirms (ENB
CONFIGURATION UPDATE ACKNOWLEDGE) give eNB2.
It should be noted that step 211~step 214 is the process that eNB1 and eNB2 sets up coupling, this four steps
Order is not especially limited, and 213,214,211,212, or, the orders such as 211,213,212,214 can be achieved.
In step 22, in cell user terminal carry out PUSCH scheduling of resource method specifically can with as shown in figure 5,
Including：
Step 221：PUSCH scheduling of resource is carried out based on the unappropriated resources of all adjacent area PRACH.
Step 222：All unappropriated resources of adjacent area PRACH can not meet PUSCH scheduling of resource demands, then allow non-side
Resource shared by the PUSCH scheduling of resource to adjacent area PRACH of edge user, here, does not allow the PUSCH of Cell Edge User to provide
Source is dispatched to the resource shared by the PRACH of adjacent area.
It should be noted that during resource shared by the PUSCH scheduling of resource to adjacent area PRACH of non-edge user, it is necessary to
Its power is limited.
Scheduling of the base station to PUSCH resources is general to be realized by medium access control therein (MAC) scheduler module.
The present invention also correspondingly proposes a kind of PUSCH resource scheduling systems, as shown in fig. 6, the system includes：Interface mould
Block, neighboring BS information acquisition module, MAC scheduler modules；Wherein,
The interface module, for being communicated with the base station described in cell adjacent area；
The neighboring BS information acquisition module, the PRACH resource informations for obtaining cell adjacent area by interface module；
The MAC scheduler modules, for the PRACH resource informations obtained according to neighboring BS information acquisition module, to described small
User terminal in area carries out PUSCH scheduling of resource.
The PRACH resource informations that the neighboring BS information acquisition module obtains cell adjacent area by interface module are：By coming
Request message is set up from the X2 of the base station belonging to adjacent area or base station configuration updating information obtains the PRACH resources letter of the adjacent area
Breath.
The PRACH resource informations that the MAC scheduler modules are obtained according to neighboring BS information acquisition module, to the user in cell
Terminal carries out PUSCH scheduling of resource：
PUSCH scheduling of resource is carried out based on the unappropriated resources of all adjacent area PRACH；
All unappropriated resources of adjacent area PRACH can not meet PUSCH scheduling of resource demands, then by non-edge user's
Resource shared by PUSCH scheduling of resource to adjacent area PRACH, and carry out power limit.
The PRACH resource informations that the neighboring BS information acquisition module is obtained include：rootSequenceIndex、
zeroCorrelationZoneConfig、highSpeedFlag、prach-FreqOffset、prach-ConfigIndex.,
The solution of the present invention is described further with reference to specific embodiment.
Embodiment 1
Fig. 7 is 1PUSCH resource regulating method schematic flow sheets of the embodiment of the present invention, as shown in fig. 7, the flow includes：
701：ENB2 sends X2 SETUP REQUEST message to eNB1；
702：ENB1 receives the Served Cell in X2 SETUP REQUEST message by X2 interface module
PRACH Configuration information under Information, including rootSequenceIndex,
ZeroCorrelationZoneConfig, highSpeedFlag, prach-FreqOffset, prach-ConfigIndex, will
Content is stored in its neighboring BS information acquisition module, and X2 SETUP RESPONSE are to eNB2 for assembling；
703：ENB1 sends X2 SETUP REQUEST message to eNB2；
704：ENB2 receives the PRACH under the Served Cell Information in X2 SETUP REQUEST message
Configuration information, including rootSequenceIndex, zeroCorrelationZoneConfig,
HighSpeedFlag, prach-FreqOffset, prach-ConfigIndex, its neighboring BS information collection mould is stored in by content
Block, X2 SETUP RESPONSE are to eNB1 for assembling；
705：ENB1 MAC scheduler modules obtain newest PRACH information from neighboring BS information acquisition module, in scheduling
Using following strategy during PUSCH resources：PUSCH scheduling of resource pays the utmost attention to exclude the resource used in the PRACH of adjoining base station；
In the case of PUSCH resource-constraineds, central user can be dispatched to the PRACH used resources of adjoining base station, but to carry out
Power limited.
Embodiment 2
Fig. 8 is 2PUSCH resource regulating method schematic flow sheets of the embodiment of the present invention, as shown in figure 8, the flow includes：
801：ENB1 receives the ENB CONFIGURATION UPDATE messages of eNB2 transmissions, the Served carried
PRACH Configuration information under Cell Information, including rootSequenceIndex,
ZeroCorrelationZoneConfig, highSpeedFlag, prach-FreqOffset, prach-ConfigIndex are more
Newly arrive neighboring BS information acquisition module；
802：ENB1 MAC scheduler modules obtain newest PRACH information from neighboring BS information acquisition module, in scheduling
Using following strategy during PUSCH resources：PUSCH scheduling of resource pays the utmost attention to exclude the resource used in the PRACH of adjoining base station；
In the case of PUSCH resource-constraineds, central user can be dispatched to the PRACH used resources of adjoining base station, but to carry out
Power limited.
Using the method for the present invention, current area carries out adjacent area by the exchange method with the PRACH resource informations of adjacent area
PRACH resource informations collection, the PUSCH resource allocations of this cell are further controlled by these information, to avoid neighbour
The PRACH transmission in area, it is ensured that work(when this cell dispatches edge customer or scheduling in the PRACH resources different from adjoining base station
Rate is limited, and the PUSCH scheduling of resource of this cell is reduced the interference brought to the PRACH of adjacent area.The operation of same all adjacent areas
It also ensure that the interference that the PRACH resources of this cell are subject to is smaller, so as to improve the performance of access.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (6)
1. a kind of Physical Uplink Shared Channel PUSCH resource regulating methods, it is characterised in that this method includes：
Base station belonging to cell obtains the Physical Random Access Channel PRACH resource informations of the cell adjacent area；
Base station belonging to the cell is whole to the user in the cell according to the PRACH resource informations of the cell adjacent area of acquisition
End carries out PUSCH scheduling of resource；
The PRACH resource informations of the cell adjacent area according to acquisition, PUSCH scheduling of resource is carried out to the user terminal in cell
For：
PUSCH scheduling of resource is carried out based on the unappropriated resources of all adjacent area PRACH；
All unappropriated resources of adjacent area PRACH can not meet PUSCH scheduling of resource demands, then by the PUSCH of non-edge user
Resource shared by scheduling of resource to adjacent area PRACH, and carry out power limit.
2. according to the method described in claim 1, it is characterised in that the base station belonging to the cell obtains the cell adjacent area
PRACH resource informations are：
Request message is set up by the X2 from the base station belonging to adjacent area or base station configuration updating information obtains the adjacent area
PRACH resource informations.
3. method according to claim 1 or 2, it is characterised in that the PRACH resource informations include：Root sequence index
RootSequenceIndex, zero correlation sequences configuration zeroCorrelationZoneConfig, instruction at a high speed
HighSpeedFlag, PRACH frequency offsets prach-FreqOffset, PRACH configuration index prach-ConfigIndex.
4. a kind of PUSCH resource scheduling systems, it is characterised in that the system includes：Interface module, neighboring BS information acquisition module,
MAC scheduler modules；Wherein,
The interface module, for being communicated with the base station belonging to cell adjacent area；
The neighboring BS information acquisition module, the PRACH resource informations for obtaining cell adjacent area by interface module；
The MAC scheduler modules, for the PRACH resource informations obtained according to neighboring BS information acquisition module, in the cell
User terminal carry out PUSCH scheduling of resource；
The MAC scheduler modules, specifically for carrying out PUSCH scheduling of resource based on the unappropriated resources of all adjacent area PRACH；
When all unappropriated resources of adjacent area PRACH can not meet PUSCH scheduling of resource demands, then the PUSCH of non-edge user is provided
Source is dispatched to the resource shared by the PRACH of adjacent area, and carries out power limit.
5. system according to claim 4, it is characterised in that the neighboring BS information acquisition module is obtained by interface module
The PRACH resource informations of cell adjacent area are：Request message or base station configuration are set up more by the X2 from the base station belonging to adjacent area
New information obtains the PRACH resource informations of the adjacent area.
6. the system according to claim 4 or 5, it is characterised in that the PRACH moneys that the neighboring BS information acquisition module is obtained
Source information includes：rootSequenceIndex、zeroCorrelationZoneConfig、highSpeedFlag、prach-
FreqOffset、prach-ConfigIndex。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110153689.8A CN102821474B (en) | 2011-06-09 | 2011-06-09 | A kind of PUSCH resource regulating methods and system |
| PCT/CN2011/080584 WO2012167524A1 (en) | 2011-06-09 | 2011-10-09 | Method and system for pusch resource scheduling |
Applications Claiming Priority (1)
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| CN201110153689.8A CN102821474B (en) | 2011-06-09 | 2011-06-09 | A kind of PUSCH resource regulating methods and system |
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| CN102821474B true CN102821474B (en) | 2017-11-07 |
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| CN105210427B (en) * | 2014-04-22 | 2019-05-24 | 华为技术有限公司 | The method and relevant device for determining configuration parameter, sending scheduling request |
| AU2019308948A1 (en) * | 2018-07-27 | 2021-03-11 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Random access method, terminal device, and storage medium |
| CN111263452B (en) * | 2019-02-01 | 2023-06-30 | 维沃移动通信有限公司 | Information transmission method and terminal equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010002301A1 (en) * | 2008-07-02 | 2010-01-07 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangement for automatic tuning of the rach configuration in a wireless communication network |
| CN101755478A (en) * | 2007-08-10 | 2010-06-23 | 松下电器产业株式会社 | Terminal device and base station device |
| CN101873712A (en) * | 2009-04-27 | 2010-10-27 | 大唐移动通信设备有限公司 | Method, device and system for adjusting PRACH configuration information |
| CN102067685A (en) * | 2008-06-24 | 2011-05-18 | 高通股份有限公司 | Method and apparatus for power control of first data transmission in random access procedure of FDMA communication system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101340725B (en) * | 2008-08-07 | 2012-07-18 | 中兴通讯股份有限公司 | Resource distribution method of physical random access channel |
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- 2011-06-09 CN CN201110153689.8A patent/CN102821474B/en active Active
- 2011-10-09 WO PCT/CN2011/080584 patent/WO2012167524A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101755478A (en) * | 2007-08-10 | 2010-06-23 | 松下电器产业株式会社 | Terminal device and base station device |
| CN102067685A (en) * | 2008-06-24 | 2011-05-18 | 高通股份有限公司 | Method and apparatus for power control of first data transmission in random access procedure of FDMA communication system |
| WO2010002301A1 (en) * | 2008-07-02 | 2010-01-07 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangement for automatic tuning of the rach configuration in a wireless communication network |
| CN101873712A (en) * | 2009-04-27 | 2010-10-27 | 大唐移动通信设备有限公司 | Method, device and system for adjusting PRACH configuration information |
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| CN102821474A (en) | 2012-12-12 |
| WO2012167524A1 (en) | 2012-12-13 |
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