CN101494865B - Method for configuring physical accidental access channel and accidental access method - Google Patents
Method for configuring physical accidental access channel and accidental access method Download PDFInfo
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- CN101494865B CN101494865B CN2008100060346A CN200810006034A CN101494865B CN 101494865 B CN101494865 B CN 101494865B CN 2008100060346 A CN2008100060346 A CN 2008100060346A CN 200810006034 A CN200810006034 A CN 200810006034A CN 101494865 B CN101494865 B CN 101494865B
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Abstract
The invention discloses a physical random access channel configuration method and random accessing method thereof, which is suitable for the system using uplink reinforced cell forward accessing channel CELL_FACH technology. The configuration method comprises: radio network controller sends to node B a signaling message which carries scrambling code and signature information configured to the uplink physics random access channel in the uplink reinforcement CELL_FACH technology; and the node B acquires the scrambling code and signature information configured to the uplink physics random access channel in the uplink reinforced CELL_FACH technology and saves. The invention enable the node B to distinguish which user equipments use the uplink reinforced CELL_FACH technology, and which user equipments use common access technology; thereby, to feedback different information on AICH channel, and improve the service quality of the user equipment using uplink reinforcement CELL_FACH technology.
Description
Technical field
The present invention relates to GSM, relate in particular to a kind of collocation method and accidental access method of Physical Random Access Channel.
Background technology
Along with the evolution of GSM, user's QoS has become the primary goal of operator, and QoS has influenced service performance, has also determined the satisfaction of user to business.A very important aspect that improves QoS of customer is exactly the time delay when connecting with channel allocation, and can exist frequent relatively, but the business of small data packets, it is more effective therefore to need to consider how common signal channel works.Such as the signaling delay that reduces up link and down link.CELL (sub-district) _ FACH (Forward Access Channel; Forward access channel); CELL_PCH (PagingChannel; PCH)/downlink signaling of URA_PCH (UTRAN Registration Area, UTRAN registration area) state postpones the 3GPP standard to be realized through introducing down high speed grouping access (HSPA), and the present 3GPP standard of the delay issue of up signaling is discussed.
In order to reduce up signaling delay, need to consider following several aspects:
(1) reduces IDLE mode (idle condition), CELL_FACH, the user plane of CELL_PCH/URA_PCH state and the stand-by period of chain of command;
(2) peak rate of increase CELL_FACH state;
(3) reduce CELL_FACH, the transition delay of CELL_PCH/URA_PCH state and CELL_DCH state.
In order to achieve the above object, can introduce the mode of using high speed uplink packet to insert (HSUPA) at the CELL_FACH state; This paper uses high-speed uplink packet access technique to the CELL_FACH state, is called the uplink reinforced CELL-FACH technology.
In a sub-district; The user equipment (UE) that uses the technological and common access technology at random of uplink reinforced CELL-FACH is that permission is simultaneous; And the method that makes up the prefix that inserts at random all is identical in these two kinds of technology; For Node B, then need distinguish which subscriber equipment through different RACHs and be to use the uplink reinforced CELL-FACH technology so, which subscriber equipment has been to use common access technology; Thereby the different information of feedback on AICH (Acquisition IndicatorChannel, AICH Acquisition Indication Channel) channel.
At present the agreement cell that characterizes Physical Random Access Channel has: scrambler number and signature.Also be different scrambler number, can be used to distinguish different Physical Random Access Channels, but, also can use different signatures to distinguish different Physical Random Access Channels using under the situation of identical scrambler number.
After introducing the uplink reinforced CELL-FACH technology so, also can distinguish the subscriber equipment that is used for the uplink reinforced CELL-FACH technology through above-mentioned dual mode still is the common subscriber equipment that inserts at random.But adopt which kind of mode Node B need know in advance that all the configuration of Physical Random Access Channel just can make correct action after receiving the prefix that subscriber equipment takes place.
And present protocol version has only the scrambler of the common RACH of configuration and the passage of signature, does not notify the needed scrambler of physical channel of Node B uplink reinforced CELL-FACH technology and the passage of signature.
Summary of the invention
The technical problem that the present invention will solve provides a kind of collocation method and accidental access method of Physical Random Access Channel; Be applicable to the system that uses the uplink reinforced CELL-FACH technology; Can notify the scrambler and the signing messages of the physical channel of Node B uplink reinforced CELL-FACH technology, thereby and Node B can know in advance that the configuration of Physical Random Access Channel makes correct feedback after receiving the prefix that subscriber equipment takes place.
In order to address the above problem, the invention provides a kind of collocation method of Physical Random Access Channel, be applicable to the system that uses uplink reinforced district forward access channel technology, comprising:
Radio network controller in sending to the signaling message of Node B, carry for uplink reinforced district forward access channel status technology be scrambler and the signing messages that the ascending physical signal RACH of CELL _ FACH state enhanced on uplink technology is disposed;
Node B is obtained scrambler and the signing messages and the preservation of the ascending physical signal RACH of uplink reinforced CELL-FACH technology from described signaling message.
Further, to send to the signaling message of Node B be following any to said radio network controller:
Physical Shared Channel reprovision request message, Common transport channel is set up request message, and Common transport channel is set up the reprovision request message.
Further, Node B is returned corresponding response message to radio network controller after obtaining and preserve said scrambler and signing messages;
Described response message should be mutually: Physical Shared Channel reprovision response message, and Common transport channel is set up response message, and Common transport channel is set up the reprovision response message.
Further; If it is identical with the scrambler that Physical Random Access Channel disposed for other to be the scrambler that disposed of the ascending physical signal road machine access channel of uplink reinforced CELL-FACH technology, then be the signing messages of its configuration and be the signing messages difference of the physical channel configuration of the identical scrambler of said configuration;
If different for the scrambler that the ascending physical signal RACH disposed of uplink reinforced CELL-FACH technology with the scrambler that Physical Random Access Channel disposed for other, then would be that the signing messages of its configuration and the signing messages that disposes for other physical channels are identical or different;
Said other Physical Random Access Channel comprises the ascending physical signal RACH of common Physical Random Access Channel and uplink reinforced CELL-FACH technology.
Further, the employed scrambler span of ascending physical signal RACH of described uplink reinforced CELL-FACH technology is: 0～15;
The employed signature of ascending physical signal RACH of described uplink reinforced CELL-FACH technology has 16, and signing messages adopts the mode of 16 bit indications to represent: the bit value is 1, and it is available that then signature is somebody's turn to do in expression; The bit value is 0, and then expression should be signed unavailable.
The present invention also provides a kind of accidental access method, is applicable to the system that uses uplink reinforced district forward access channel CELL_FACH technology, comprising:
Radio network controller carries scrambler and the signing messages that is disposed for the technological ascending physical signal RACH of uplink reinforced CELL-FACH in sending to the signaling message of Node B;
Node B is obtained scrambler and the signing messages and the preservation of the ascending physical signal RACH of uplink reinforced CELL-FACH technology from described signaling message;
The access at random of Access Preamble is at random carried in the subscriber equipment transmission that need insert at random asks to Node B; At least the scrambler and the signing messages that comprise employed Physical Random Access Channel in the said Access Preamble at random;
After Node B is received said Access Preamble at random; Scrambler that said radio network controller disposed and the signing messages preserved in wherein scrambler and signing messages and the steps A are compared; If scrambler and signing messages that Node B is received from subscriber equipment are to be used for the technological physical channel of uplink reinforced CELL-FACH, then the feedback cell forward access channel status is strengthened the employed resource of up link to this subscriber equipment on AICH Acquisition Indication Channel; Otherwise Node B is only fed back signing messages on AICH Acquisition Indication Channel.
Further, to send to the signaling message of Node B be following any to said radio network controller:
Physical Shared Channel reprovision request message, Common transport channel is set up request message, and Common transport channel is set up the reprovision request message.
Further, Node B is returned corresponding response message to radio network controller after obtaining and preserve said scrambler and signing messages;
Described response message should be mutually: Physical Shared Channel reprovision response message, and Common transport channel is set up response message, and Common transport channel is set up the reprovision response message.
Further; If it is identical with the scrambler that Physical Random Access Channel disposed for other to be the scrambler that the ascending physical signal RACH disposed of uplink reinforced CELL-FACH technology, then be the signing messages of its configuration and be the signing messages difference of the physical channel configuration of the identical scrambler of said configuration;
If different for the scrambler that the ascending physical signal RACH disposed of uplink reinforced CELL-FACH technology with the scrambler that Physical Random Access Channel disposed for other, then would be that the signing messages of its configuration and the signing messages that disposes for other physical channels are identical or different;
Said other Physical Random Access Channel comprises the ascending physical signal RACH of common Physical Random Access Channel and uplink reinforced CELL-FACH technology.
Further, the employed resource of said cell forward access channel status reinforcement up link comprises following any or combination:
Ascending reinforcement system strengthen the sign indicating number resource of dedicated channel absolute grant channel, the sign indicating number resource of strengthening dedicated channel relative authorization channel/hybrid automatic repeat request indication channel, fractional dedicated physical channel sign indicating number resource, reinforcement dedicated channel relative authorization channel/sign by hybrid automatic repeat request indication channel, uplink scrambling code number, reinforcement dedicated channel radio network temporary identifier.
Technical scheme of the present invention can make Node B can distinguish which subscriber equipment and be to use the uplink reinforced CELL-FACH technology; Which subscriber equipment has been to use common access technology; Thereby the different information of feedback improves the service quality with the technological subscriber equipment of uplink reinforced CELL-FACH on the AICH channel.
Description of drawings
Fig. 1 is the practical implementation flow chart of accidental access method of the present invention;
Fig. 2 is the flow chart of application example one of the present invention;
Fig. 3 is the flow chart of application example two of the present invention;
Fig. 4 is the flow chart of application example three, four of the present invention.
Embodiment
To combine accompanying drawing and embodiment that technical scheme of the present invention is explained in more detail below.
The invention provides a kind of collocation method of Physical Random Access Channel, be applicable to the system that uses the uplink reinforced CELL-FACH technology, comprise the steps:
Radio network controller in sending to the signaling message of Node B, carry for uplink reinforced district forward access channel status technology be scrambler and the signing messages that the ascending physical signal RACH of uplink reinforced CELL-FACH technology is disposed;
Node B is obtained scrambler and the signing messages and the preservation of the ascending physical signal RACH of uplink reinforced CELL-FACH technology from described signaling message.
Said carry be can but be not limited to be meant that in said signaling message increasing a specific field is used to carry, or utilize in the said signaling message original unused word section to carry.
Further; Said radio network controller sends to the signaling message of Node B can be for following any: Physical Shared Channel reprovision request message (PHYSICAL SHARED CHANNELRECONFIGURATION REQUEST); Common transport channel is set up request message (COMMONTRANSPORT CHANNEL SETUP REQUEST), and Common transport channel is set up reprovision request message (COMMON TRANSPORT CHANNEL RECONFIGURATIONREQUEST).
Further, Node B can also be returned corresponding response message to radio network controller after obtaining and preserve said scrambler and signing messages.
Further; Described response message should be mutually: Physical Shared Channel reprovision response message (PHYSICAL SHARED CHANNEL RECONFIGURATION RESPONSE); Common transport channel is set up response message (COMMON TRANSPORT CHANNEL SETUPRESPONSE), and Common transport channel is set up reprovision response message (COMMON TRANSPORTCHANNEL RECONFIGURATION RESPONSE).
Further, radio network controller can carry the perhaps scrambler and the signing messages of the ascending physical signal RACH of the technology of the uplink reinforced CELL-FACH more than in said signaling message.
Further, the ascending physical signal RACH employed scrambler span of described uplink reinforced CELL-FACH technology can for: 0～15.
Further, the employed signature of ascending physical signal RACH of described uplink reinforced CELL-FACH technology has 16, and signing messages can adopt the mode of 16 bit indications to represent: the bit value is 1, and then expression should be signed available; The bit value is 0, and then expression should be signed unavailable.
Further; If the scrambler that the ascending physical signal RACH disposed that is a uplink reinforced CELL-FACH technology is identical with the scrambler that Physical Random Access Channel disposed that is other, then be that the signing messages of its configuration need be different with the signing messages that the physical channel that is the identical scrambler of said configuration disposes.
Further; If the scrambler that the ascending physical signal RACH disposed that is the uplink reinforced CELL-FACH technology is different with the scrambler that Physical Random Access Channel disposed for other; The signing messages that then is its configuration can be identical with the signing messages that disposes for other physical channels, also can be different.
Further, said other Physical Random Access Channel comprises the ascending physical signal RACH of common Physical Random Access Channel and uplink reinforced CELL-FACH technology.
Radio network controller can also be by the scrambler and signature notice Node B of prior art with the common RACH that is disposed, and Node B is preserved.
The present invention also provides a kind of accidental access method, is applicable to the system that uses uplink reinforced district forward access channel CELL_FACH technology, and is as shown in Figure 1, comprising:
A, radio network controller carry scrambler and the signing messages that is disposed for the technological ascending physical signal RACH of uplink reinforced CELL-FACH in sending to the signaling message of Node B;
Node B is obtained scrambler and the signing messages and the preservation of the ascending physical signal RACH of uplink reinforced CELL-FACH technology from described signaling message.
This step is with the collocation method of Physical Random Access Channel provided by the present invention, and each prioritization scheme again is said, no longer repeats here.
Same, radio network controller can also be by the scrambler and signature notice Node B of prior art with the common RACH that is disposed, and Node B is preserved.
The access at random of Access Preamble is at random carried in the UE transmission of B, access at random asks to Node B; At least the scrambler and the signing messages that comprise employed Physical Random Access Channel in the said Access Preamble at random.
After C, Node B are received said Access Preamble at random; Scrambler that said radio network controller disposed and the signing messages preserved in wherein scrambler and signing messages and the steps A are compared; If scrambler and signing messages that Node B is received from subscriber equipment are to be used for the technological physical channel of uplink reinforced CELL-FACH, then on AICH, feed back to this subscriber equipment CELL_FACH state and strengthen the employed resource of up link; Otherwise Node B is only fed back signing messages on AICH.
Further, said CELL_FACH state strengthen that sign indicating number resource, the sign indicating number resource of E-RGCH/HICH (E-DCH relative authorization channel/hybrid automatic repeat request indication channel), the sign indicating number resource of F-DPCH (fractional dedicated physical channel), E-RGCH/HICH that the employed resource of up link comprises following any or combination: E-AGCH (E-DCH Absolute Grant Channel: ascending reinforcement system is strengthened dedicated channel E-DCH absolute grant channel) sign, uplink scrambling code number, E-RNTI (E-DCH radio network temporary identifier).
Further explain with four application examples of the present invention below.
Application example one provides the method for radio network controller through Physical Shared Channel reallocation message notice Node B uplink reinforced CELL-FACH employed signature of technology physics RACH and scrambler, and is as shown in Figure 2:
(210) radio network controller sends Physical Shared Channel reprovision request message to Node B, wherein carries the employed scrambler of ascending physical signal RACH and the signing messages of uplink reinforced CELL-FACH technology.
(220) Node B is obtained the employed scrambler of ascending physical signal RACH and the signing messages of uplink reinforced CELL-FACH technology from Physical Shared Channel reprovision request message, and returns Physical Shared Channel reprovision response message.
Application example two provides radio network controller to set up the method for message informing Node B uplink reinforced CELL-FACH technology channel employed signature and scrambler through Common transport channel, and is as shown in Figure 3:
(310) radio network controller sends Common transport channel to Node B and sets up request message, wherein carries the employed scrambler of ascending physical signal RACH and the signing messages of uplink reinforced CELL-FACH technology.
(320) Node B is set up employed scrambler of ascending physical signal RACH and the signing messages that obtains the uplink reinforced CELL-FACH technology the request message from the physics Common transport channel, and returns Common transport channel and set up response message.
Application example three provides the method for radio network controller through Common transport channel reconfiguration message notice Node B uplink reinforced CELL-FACH technology employed signature of channel and scrambler, and is as shown in Figure 4:
(410) radio network controller sends Common transport channel reprovision request message to Node B, wherein carries the employed scrambler of ascending physical signal RACH and the signing messages of uplink reinforced CELL-FACH technology.
(420) Node B is obtained the employed scrambler of ascending physical signal RACH and the signing messages of uplink reinforced CELL-FACH technology from physics Common transport channel reprovision request message, and returns Common transport channel reprovision response message.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. the collocation method of a Physical Random Access Channel is applicable to the system that uses uplink reinforced district forward access channel technology, comprising:
Radio network controller carries scrambler and the signing messages that is disposed for the technological ascending physical signal RACH of uplink reinforced district forward access channel CELL_FACH in sending to the signaling message of Node B;
Node B is obtained scrambler and the signing messages and the preservation of the ascending physical signal RACH of uplink reinforced CELL-FACH technology from described signaling message.
2. collocation method as claimed in claim 1 is characterized in that, the signaling message that said radio network controller sends to Node B is following any:
Physical Shared Channel reprovision request message, Common transport channel is set up request message, and Common transport channel is set up the reprovision request message.
3. collocation method as claimed in claim 2 is characterized in that:
Node B is returned corresponding response message to radio network controller after obtaining and preserve said scrambler and signing messages;
Described response message should be mutually: Physical Shared Channel reprovision response message, and Common transport channel is set up response message, and Common transport channel is set up the reprovision response message.
4. like each described collocation method in the claim 1 to 3, it is characterized in that:
If it is identical with the scrambler that Physical Random Access Channel disposed for other to be the scrambler that the ascending physical signal RACH disposed of uplink reinforced CELL-FACH technology, then be the signing messages of its configuration and be the signing messages difference of the physical channel configuration of the identical scrambler of said configuration;
If different for the scrambler that the ascending physical signal RACH disposed of uplink reinforced CELL-FACH technology with the scrambler that Physical Random Access Channel disposed for other, then would be that the signing messages of its configuration and the signing messages that disposes for other physical channels are identical or different;
Said other Physical Random Access Channel comprises the ascending physical signal RACH of common Physical Random Access Channel and uplink reinforced CELL-FACH technology.
5. like each described collocation method in the claim 1 to 3, it is characterized in that:
The employed scrambler span of ascending physical signal RACH of described uplink reinforced CELL-FACH technology is: 0～15;
The employed signature of ascending physical signal RACH of described uplink reinforced CELL-FACH technology has 16, and signing messages adopts the mode of 16 bit indications to represent: the bit value is 1, and it is available that then signature is somebody's turn to do in expression; The bit value is 0, and then expression should be signed unavailable.
6. an accidental access method is applicable to the system that uses uplink reinforced district forward access channel CELL_FACH technology, comprising:
Radio network controller carries scrambler and the signing messages that is disposed for the technological ascending physical signal RACH of uplink reinforced CELL-FACH in sending to the signaling message of Node B;
Node B is obtained scrambler and the signing messages and the preservation of the ascending physical signal RACH of uplink reinforced CELL-FACH technology from described signaling message;
The access at random of Access Preamble is at random carried in the subscriber equipment transmission that need insert at random asks to Node B; At least the scrambler and the signing messages that comprise employed Physical Random Access Channel in the said Access Preamble at random;
After Node B is received said Access Preamble at random; Wherein scrambler and signing messages are compared with scrambler that said radio network controller disposed and the signing messages preserved; If scrambler and signing messages that Node B is received from subscriber equipment are to be used for the technological physical channel of uplink reinforced CELL-FACH, then the feedback cell forward access channel status is strengthened the employed resource of up link to this subscriber equipment on AICH Acquisition Indication Channel; Otherwise Node B is only fed back signing messages on AICH Acquisition Indication Channel.
7. accidental access method as claimed in claim 6 is characterized in that, the signaling message that said radio network controller sends to Node B is following any:
Physical Shared Channel reprovision request message, Common transport channel is set up request message, and Common transport channel is set up the reprovision request message.
8. accidental access method as claimed in claim 7 is characterized in that:
Node B is returned corresponding response message to radio network controller after obtaining and preserve said scrambler and signing messages;
Described response message should be mutually: Physical Shared Channel reprovision response message, and Common transport channel is set up response message, and Common transport channel is set up the reprovision response message.
9. like each described accidental access method in the claim 6 to 8, it is characterized in that:
If it is identical with the scrambler that Physical Random Access Channel disposed for other to be the scrambler that the ascending physical signal RACH disposed of uplink reinforced CELL-FACH technology, then be the signing messages of its configuration and be the signing messages difference of the physical channel configuration of the identical scrambler of said configuration;
If different for the scrambler that the ascending physical signal RACH disposed of uplink reinforced CELL-FACH technology with the scrambler that Physical Random Access Channel disposed for other, then would be that the signing messages of its configuration and the signing messages that disposes for other physical channels are identical or different;
Said other Physical Random Access Channel comprises the ascending physical signal RACH of common Physical Random Access Channel and uplink reinforced CELL-FACH technology.
10. like each described accidental access method in the claim 6 to 8, it is characterized in that said cell forward access channel status is strengthened the employed resource of up link and comprised following any or combination:
Ascending reinforcement system strengthen the sign indicating number resource of dedicated channel absolute grant channel, the sign indicating number resource of strengthening dedicated channel relative authorization channel/hybrid automatic repeat request indication channel, fractional dedicated physical channel sign indicating number resource, reinforcement dedicated channel relative authorization channel/sign by hybrid automatic repeat request indication channel, uplink scrambling code number, reinforcement dedicated channel radio network temporary identifier.
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| CN2008100060346A CN101494865B (en) | 2008-01-25 | 2008-01-25 | Method for configuring physical accidental access channel and accidental access method |
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| CN101990310A (en) * | 2009-07-30 | 2011-03-23 | 华为技术有限公司 | Random access method and device thereof |
| US9585145B2 (en) * | 2012-01-26 | 2017-02-28 | Nokia Solutions And Networks Oy | Method and apparatus for determining the transmission time interval length |
| CN103476131B (en) * | 2012-06-08 | 2017-10-27 | 中兴通讯股份有限公司 | Method for collision avoidance, base station and terminal under CELL_FACH states |
| CN115278651A (en) * | 2021-04-29 | 2022-11-01 | 北京紫光展锐通信技术有限公司 | Device type indication and determination method, device and computer readable storage medium |
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| CN101098297A (en) * | 2006-06-30 | 2008-01-02 | 大唐移动通信设备有限公司 | Random access method and pilot code extending method |
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