CN102056237A - Method, device and system for determining F-DPCH time slot format - Google Patents
Method, device and system for determining F-DPCH time slot format Download PDFInfo
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Abstract
The invention discloses a method, a device and a system for determining a fractional dedicated physical control channel (F-DPCH) time slot format, and relates to the field of communication. The problem that user equipment (UE) cannot accurately receive channel information sent by a Node B on the F-DPCH is solved. The method comprises that: the Node B receives common enhanced dedicated channel (E-DCH) configuration information sent by a radio network controller (RNC), wherein the common E-DCH configuration information carries the time slot format adopted by the F-DPCH, specifically No.0 time slot format; the Node B stores the time slot format adopted by the F-DPCH; and when the Node B detects that the UE in an Idle or cell forward access channel (CELL-FACH) state uses the E-DCH, the Node B sends F-DPCH information through the F-DPCH according to the stored time slot format.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to the method for determining the F-DPCH time slot format under a kind of cell forward access channel (CELL_FACH) state and the idle pulley (Idle).
Background technology
Along with the evolution of mobile communication system, 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 to reduce the time delay of bringing when connecting with channel allocation, and frequent relatively, and the business of small data packets also can influence systematic function, therefore need effectively utilize common signal channel.Downlink signaling under CELL_FACH and the CELL_PCH/URA_PCH state postpones to insert (HSPA) solution by introducing the down high speed grouping, and also there is the problem of delay in up signaling.
In order to reduce up signaling delay, need to consider following several aspects:
1, reduces IDLE mode, the stand-by period of user's face and chain of command under CELL_FACH and the Cell_PCH and URA_PCH state;
2, the peak rate under the increase CELL_FACH state;
3, reduce Idle, CELL_FACH, the transition delay between CELL_PCH and URA_PCH state and the CELL_DCH state.
In order to achieve the above object, the 3GPP standard has been introduced reinforcement dedicated channel (Enhanced Dedicated Channel under CELL_FACH state and idle pattern, abbreviate E-DCH as), promptly can introduce the mode (high-speed uplink packet access technique that uses under Idle state and the CELL_FACH state is called the uplink reinforced CELL-FACH technology) of using high speed uplink packet to insert (HSUPA) herein, at Idle pattern, CELL_FACH state.
The basic principle of uplink reinforced CELL-FACH technology is as follows:
The transmission principle of Jie Ruing still adopts the random access procedure of PRACH at random, but change has taken place in channel type, can use E-DCH in Idle pattern and CELL_FACH state, Common Control Channel (CCCH)/Dedicated Control Channel (DCCH)/Dedicated Traffic Channel logic channels such as (DTCH) can be mapped on the E-DCH and send.E-DCH is mapped to E-DCH Dedicated Physical Data Channel (E-DCH Dedicated Physical Data Channel again, abbreviate as: E-DPDCH), and the relevant control information of E-DPDCH needs by E-DCH Dedicated Physical Control Channel (E-DCH Dedicated Physical Control Channel, abbreviate E-DPCCH as) transmission, and E-DPCCH is based on Dedicated Physical Control Channel (Dedicated Physical Control Channel, abbreviate DPCCH as) carry out inner-loop power control, therefore when strengthening the CELL_FACH state, there is the DPCCH physical channel in up needs, and carry out link synchronization for the operate as normal that cooperates up DPCCH, also need to exist f-dpch (Fractional Dedicated Physical Control Channel abbreviates F-DPCH as) on the down direction.
The frame format of the F-DPCH of 3GPP agreement regulation as shown in Figure 1, a frame (radio frame) comprises Slot# 0 to Slot# 14 totally 15 time slots, comprises 2560 chips (chip) in each time slot.The spendable time slot format of F-DPCH is as shown in table 1.
Table 1
Send in the process of TPC than top grade channel information to UE by F-DPCH at above-mentioned Node B, there are the following problems:
As can be seen from Table 1, the spendable time slot format of F-DPCH has 10 kinds, but generally speaking, UE receives channel information on the F-DPCH according to No. 0 time slot format, at this moment, if RNC indication Node B adopts non-0 time slot format to send channel information on the F-DPCH, UE just can't correctly receive the channel information on the F-DPCH of Node B transmission.
Summary of the invention
The invention provides a kind of methods, devices and systems of definite F-DPCH time slot format, solved the problem that UE can't correctly receive the channel information on the F-DPCH that Node B sends.
A kind of method of definite F-DPCH time slot format comprises:
Node B receives the common E-DCH configuration information that RNC sends, and carries the time slot format that F-DPCH adopts in the described common E-DCH configuration information, is specially time slot format No. 0;
Described Node B preserves the time slot format that described F-DPCH adopts;
Described Node B sends the F-DPCH channel information according to the time slot format of preserving when detecting the UE use E-DCH channel that is in Idle or CELL_FACH state.
Further, the common E-DCH configuration information of described Node B reception RNC transmission is specially:
Described Node B receives the Physical Shared Channel reconfiguration request message that RNC sends, and comprises described common E-DCH configuration information in this message.
Further, described Node B preserves after the step of the time slot format that described F-DPCH adopts, and also comprises:
Described Node B sends the Physical Shared Channel reconfiguration response message to described RNC, described common E-DCH configuration information has been accepted in expression, when detecting the UE use E-DCH channel that is in Idle or CELL_FACH state, can send the F-DPCH channel information according to described No. 0 time slot format.
Further, described F-DPCH channel information is specially the TPC bit.
Embodiments of the invention also provide a kind of Node B, comprising:
The configuration information receiver module is used to receive the common E-DCH configuration information that RNC sends, and carries the time slot format that F-DPCH adopts in the described common E-DCH configuration information, is specially time slot format No. 0;
Module is preserved in configuration, is used to preserve the time slot format that described F-DPCH adopts;
Information sending module is used for sending the F-DPCH channel information according to the time slot format of preserving when detecting the UE use E-DCH channel that is in Idle or CELL_FACH state.
Embodiments of the invention also provide a kind of RNC, comprising:
The configuration information sending module, be used for sending the common E-DCH configuration information to Node B, in described common E-DCH configuration information, carry the time slot format that F-DPCH adopts, be specially time slot format No. 0, indicate described Node B when detecting the UE use E-DCH channel that is in Idle or CELL_FACH state, send the F-DPCH channel information according to the time slot format of preserving.
Embodiments of the invention also provide a kind of information transmitting system, comprise RNC and Node B;
Described Node B, be used to receive the common E-DCH configuration information that described RNC sends, carry the time slot format that F-DPCH adopts in the described common E-DCH configuration information, be specially time slot format No. 0, preserve the time slot format that described F-DPCH adopts, and when detecting the UE use E-DCH channel that is in Idle or CELL_FACH state, send the F-DPCH channel information according to the time slot format of preserving;
Described RNC is used for sending the E-DCH configuration information to described Node B, carries the time slot format that F-DPCH adopts in described E-DCH configuration information, is specially time slot format No. 0.
Embodiments of the invention provide a kind of method of definite F-DPCH time slot format, device and system, send the E-DCH configuration information by RNC to Node B, carry the time slot format that F-DPCH adopts in the described common E-DCH configuration information, be specially time slot format No. 0, Node B preserves the time slot format that described F-DPCH adopts, and when detecting the UE use E-DCH channel that is in Idle or CELL_FACH state, send the F-DPCH channel information according to the time slot format of preserving, guarantee the consistency of the time slot format that Node B and UE adopt, solved the problem that UE can't correctly receive the channel information on the F-DPCH that Node B sends.
Description of drawings
Fig. 1 is the frame format schematic diagram of F-DPCH among the 3GPP;
The flow chart of the method for a kind of definite F-DPCH time slot format that Fig. 2 provides for embodiments of the invention;
The structural representation of a kind of Node B that Fig. 3 provides for embodiments of the invention;
The structural representation of a kind of RNC that Fig. 4 provides for embodiments of the invention;
The structural representation of the system of a kind of F-DPCH time slot format that Fig. 5 provides for embodiments of the invention.
Embodiment
In the 3GPP agreement, the employed F-DPCH of the UE under Idle pattern and the CELL_FACH state adopts No. 0 time slot format shown in the table 1, and need not the configuration of RNC notice; Yet but there is employed F-DPCH time slot format configuration cell under Idle state and the CELL_FACH state at the Iub mouth.As can be seen from Table 1, the difference of No. 0 time slot format and other time slot formats is that the position of transmitting power control (TPC) bit information in the middle of a time slot is different.
If being F-DPCH, RNC disposed non-No. 0 time slot format, then Node B will send the F-DPCH channel information according to non-No. 0 time slot format that RNC disposed, and UE to be the fixing time slot format 0 that adopts receive channel information on the F-DPCH, so just will inevitably cause the UE side can not receive TPC bit information on the F-DPCH in correct position, thereby cause UE can not normally carry out inner-loop power control, and then cause link failure.
In order to address the above problem, embodiments of the invention provide a kind of method of definite F-DPCH time slot format, use this method, can realize that Node B and UE adopt the channel information on the same time slot format transmission F-DPCH, the idiographic flow of this method comprises as shown in Figure 2:
In this step, RNC is by signaling message notice Node B E-DCH configuration information, wherein comprise the time slot format of F-DPCH at this E-DCH configuration information, in the embodiment of the invention, this E-DCH configuration information indication Node B adopts No. 0 time slot format to receive channel information on the F-DPCH.
Above-mentioned signaling message is specially the Physical Shared Channel reconfiguration request message, and the E-DCH configuration information is to dispose by the common E-DCH system information (Common E-DCH System Information) of carrying in the Physical Shared Channel reconfiguration message.
Time slot format need on the physical channel to have stipulated the bit number that sends, the bit number that every kind of control domain need send and position etc.
In this step, Node B preserves the E-DCH configuration information, and returns response message, and this response message is specially the Physical Shared Channel reconfiguration response message.
The time slot format that step 203, Node B indicate according to RNC sends the F-DPCH channel information by F-DPCH to UE;
In this step, when Node B detects its UE that Idle pattern or CELL_FACH state are arranged down and has used the E-DCH channel, the time slot format (i.e. No. 0 time slot format) that just adopts in the step 202 to be preserved is to the channel information that sends on the F-DPCH, as the TPC bit.
In this step, UE receives the F-DPCH channel information equally according to No. 0 time slot format by F-DPCH.
Embodiments of the invention also provide a kind of Node B, as shown in Figure 3, comprising:
Configuration information receiver module 301 is used to receive the common E-DCH configuration information that RNC sends, and carries the time slot format that F-DPCH adopts in the described common E-DCH configuration information;
The time slot format that described F-DPCH adopts is specially time slot format No. 0.
Embodiments of the invention also provide a kind of RNC, the structure of this RNC as shown in Figure 4,
Configuration information sending module 401, be used for sending the common E-DCH configuration information to Node B, in described common E-DCH configuration information, carry the time slot format that F-DPCH adopts, indicate described NodeB when detecting the UE use E-DCH channel that is in Idle or CELL_FACH state, send the F-DPCH channel information according to the time slot format of preserving.
Embodiments of the invention also provide a kind of system of definite F-DPCH time slot format, and the structure of this system comprises RNC501 and Node B502 as shown in Figure 5.
Described Node B502, be used to receive the common E-DCH configuration information that described RNC501 sends, carry the time slot format that F-DPCH adopts in the described common E-DCH configuration information, preserve the time slot format that described F-DPCH adopts, and when detecting the UE use E-DCH channel that is in Idle or CELL_FACH state, send the F-DPCH channel information according to the time slot format of preserving;
Described RNC501 is used for sending the E-DCH configuration information to described Node B502, carries the time slot format that F-DPCH adopts in described E-DCH configuration information.
The time slot format that described F-DPCH adopts is specially time slot format No. 0.
Above-mentioned Node B and definite F-DPCH time slot format system, the method of a kind of definite F-DPCH time slot format that can provide with embodiments of the invention combines, send the E-DCH configuration information by RNC to Node B, carry the time slot format that F-DPCH adopts in the described common E-DCH configuration information, Node B preserves the time slot format that described F-DPCH adopts, and when detecting the UE use E-DCH channel that is in Idle or CELL_FACH state, send the F-DPCH channel information according to the time slot format of preserving, guarantee the consistency of the time slot format that Node B and UE adopt, solved the problem that UE can't correctly receive the channel information on the F-DPCH that Node B sends.
One of ordinary skill in the art will appreciate that and realize that all or part of step that the foregoing description method is carried is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, this program comprises one of step or its combination of method embodiment when carrying out.
In addition, each functional unit in each embodiment of the present invention can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If described integrated module realizes with the form of software function module and during as independently production marketing or use, also can be stored in the computer read/write memory medium.
The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the described protection range of claim.
Claims (7)
1. the method for a determining section Dedicated Physical Control Channel (F-DPCH) time slot format is characterized in that, comprising:
Node B (Node B) receives public reinforcement dedicated channel (E-DCH) configuration information that radio network controller (RNC) sends, carry the time slot format that f-dpch (F-DPCH) adopts in the described common E-DCH configuration information, be specially time slot format No. 0;
Described Node B preserves the time slot format that described F-DPCH adopts;
Described Node B sends the F-DPCH channel information according to the time slot format of preserving when detecting subscriber equipment (UE) the use E-DCH channel that is in free time (Idle) or CELL_FACH state.
2. the method for definite F-DPCH time slot format according to claim 1 is characterized in that, the common E-DCH configuration information that described Node B receives the RNC transmission is specially:
Described Node B receives the Physical Shared Channel reconfiguration request message that RNC sends, and comprises described common E-DCH configuration information in this message.
3. the method for definite F-DPCH time slot format according to claim 1 is characterized in that, described Node B preserves after the step of the time slot format that described F-DPCH adopts, and also comprises:
Described Node B sends the Physical Shared Channel reconfiguration response message to described RNC, described common E-DCH configuration information has been accepted in expression, when detecting the UE use E-DCH channel that is in Idle or CELL_FACH state, can send the F-DPCH channel information according to described No. 0 time slot format.
4. the method for definite F-DPCH time slot format according to claim 1 is characterized in that, described F-DPCH channel information is specially transmitting power control (TPC) bit.
5. a Node B is characterized in that, comprising:
The configuration information receiver module is used to receive the common E-DCH configuration information that RNC sends, and carries the time slot format that F-DPCH adopts in the described common E-DCH configuration information, is specially time slot format No. 0;
Module is preserved in configuration, is used to preserve the time slot format that described F-DPCH adopts;
Information sending module is used for sending the F-DPCH channel information according to the time slot format of preserving when detecting the UE use E-DCH channel that is in Idle or CELL_FACH state.
6. a RNC is characterized in that, comprising:
The configuration information sending module, be used for sending the common E-DCH configuration information to Node B, in described common E-DCH configuration information, carry the time slot format that F-DPCH adopts, be specially time slot format No. 0, indicate described Node B when detecting the UE use E-DCH channel that is in Idle or CELL_FACH state, send the F-DPCH channel information according to the time slot format of preserving.
7. an information transmitting system is characterized in that, comprises RNC and Node B;
Described Node B, be used to receive the common E-DCH configuration information that described RNC sends, carry the time slot format that F-DPCH adopts in the described common E-DCH configuration information, be specially time slot format No. 0, preserve the time slot format that described F-DPCH adopts, and when detecting the UE use E-DCH channel that is in Idle or CELL_FACH state, send the F-DPCH channel information according to the time slot format of preserving;
Described RNC is used for sending the E-DCH configuration information to described Node B, carries the time slot format that F-DPCH adopts in described E-DCH configuration information, is specially time slot format No. 0.
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Effective date of registration: 20220930 Address after: 710000 Room 0101, 1st Floor, West Building, Tengfei Kehui City, Singapore, No. 88, Tiangu 7th Road, Hi tech Zone, Xi'an, Shaanxi Patentee after: Xi'an Tianlong Communication Technology Co.,Ltd. Patentee after: Tinno Mobile Technology Corp. Address before: 27-001, south side of Tianlong Mobile Headquarters Building, Tongfa South Road, Xili Community, Xili Street, Nanshan District, Shenzhen, Guangdong Province, 518000 Patentee before: Tinno Mobile Technology Corp. Effective date of registration: 20220930 Address after: 27-001, south side of Tianlong Mobile Headquarters Building, Tongfa South Road, Xili Community, Xili Street, Nanshan District, Shenzhen, Guangdong Province, 518000 Patentee after: Tinno Mobile Technology Corp. Address before: 518057 Ministry of justice, Zhongxing building, South Science and technology road, Nanshan District hi tech Industrial Park, Shenzhen, Guangdong Patentee before: ZTE Corp. |
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