CN101835269A - Transmission method and system of shared channel uplink RRC (Radio Resource Control) signaling - Google Patents
Transmission method and system of shared channel uplink RRC (Radio Resource Control) signaling Download PDFInfo
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Abstract
The invention discloses a transmission method and a system of shared channel uplink RRC signaling, relating to the field of radio communication and overcoming the condition that UE (User Equipment) can send a signaling message on an E-DCH (Enhanced-Dedicated Channel) after a NodeB carries out uplink grant on the UE through an E-AGCH (Enhanced-Absolute Grant Channel). The method comprises the following steps: after terminal UE receives a first type of signaling message of a network side, if uplink synchronization of the UE is obtained, the UE monitors the absolute grant channel (E-AGCH) of the enhanced-dedicated channel (E-DCH) in a time window started from the moment when the UE receives the first type of signaling message; after the UE receives the E-AGCH from the NodeB of a base station, the UE judges whether radio network temporary identification (E-RNTI) of the E-DCH is public E-RNTI selected by the UE or special E-RNTI or not, and if so, the UE sends the uplink RRC singling message by using a physical uplink channel (E-PUCH) of the E-DCH according to resources in the E-AGCH grant.
Description
Technical field
The present invention relates to wireless communication field, the method and system of the up signaling transmission of particularly a kind of shared channel.
Background technology
In 3-G (Generation Three mobile communication system), for the up-downgoing Packet Service of higher rate is provided, improve spectrum utilization efficiency, adopt up, down high speed grouping access (HSDPA and HSUPA) technology.On this basis, the target of enhancing HSPA technology mainly is to reduce the delay of chain of command and user's face, simplification network node, raising spectrum efficiency and backwards compatibility.Strengthen the HSPA technology and comprise that MIMO, 64QAM high order modulation, CPC (continuity connection), layer 2 strengthen and strengthen the content of several aspects such as CELL-FACH.Wherein strengthening CELL-FACH allows the UE of Idle state, CELL-FACH and CELL/URA-PCH attitude to use the HSPA technology, be that Idle state, CELL-FACH and CELL/URA-PCH attitude UE use high-speed downlink shared channel (HS-DSCH) and strengthen dedicated channel (E-DCH) command transmitting and data, rather than forward access channel/paging channel (FACH/PCH) and Random Access Channel (RACH).Its objective is the peak rate that improves the CELL-FACH attitude, reduce CELL-FACH, CELL_PCH and URA_PCH user face and chain of command time delay, reduce URA/CELL_PCH or CELL_FACH to the state transition time delay of CELL_DCH and the battery consumption of minimizing user terminal (UE).
Strengthen in the HSPA technical standard at TD-SCDMA, at CELL FACH state, HS-DSCH bind with strengthening proprietary transmission channel (E-DCH) function, that is to say to exercise instantly when transmitting with HS-DSCH, and the up E-DCH that must use transmits.In FACH strengthened, in order to substitute traditional FACH and RACH, standard had been introduced the method for utilizing HSPA transmission Common Control Channel (CCCH).
Set up RRC signaling messages such as request message or cell update in order to utilize HSPA transmission Common Control Channel CCCH to be used for transmission as Radio Resource control (RRC) connection, UE at first selects public E-DCH Radio Network Temporary Identifier (E-RNTI), concurrent serve capable pilot channel (UpPCH) and strengthen insert uplink control channel (E-RUCCH) at random, carry the public E-RNTI that UE selects in the message.After NodeB received E-RUCCH, in scheduling window, (SI) carried out resource authorization according to the schedule information of carrying among the E-RUCCH, and sent to terminal by E-DCH absolute grant channel (E-AGCH).UE detects the E-AGCH authorization message that carries the public E-RNTI that oneself selects in scheduling window, after receiving E-AGCH from NodeB, judge that its E-RNTI is the public E-RNTI that oneself selects, then this UE uses the proprietary transmission channel physical uplink link channel E-PUCH of enhancing to send up CCCH according to the resource in this mandate, and goes up receiving feedback information at indicating channel (E-HICH).
If NodeB need send descending CCCH data to UE, when UE does not have special-purpose Radio Network Temporary Identifier (H-RNTI), the shared control channel (HS-SCCH) of the HS-DSCH of appointment and relevant public HS-DSCH Radio Network Temporary Identifier (H-RNTI) in the UE monitoring system message.Network side uses public H-RNTI to send HS-SCCH message, and scheduling UE receives High-Speed Physical Downlink Shared Channel (HS-PDSCH).Network side carries out blind re-transmission in order to guarantee accuracy, reuses this public H-RNTI scheduling resource.When if UE has dedicated H-RNTI, then use the HS-SCCH of appointment in the dedicated H-RNTI monitoring system message.
Connect at RRC in the signalling interactive process such as foundation, cell update or radio bearer foundation, network side by NodeB utilize HS-DSCH to UE sent that RRC connect to set up, cell update is confirmed or RRC signaling messages such as radio bearer foundation after, UE need reply RRC and connect to set up and finish or failure, radio bearer discharge or radio bearer reprovision or transmission channel reprovision or physical channel reallocation message.UE must insert (sending UpPCH) earlier at random in order to send these RRC signaling messages, sends E-RUCCH again and carries schedule information (SI) to NodeB application uplink authorization.After NodeB carried out uplink authorization by E-AGCH to UE, UE could send above-mentioned signaling message on E-DCH.This process will certainly increase the time delay of chain of command, is unfavorable for the in time mutual of RRC signaling, has run counter to the design original intention that strengthens HSPA.If this moment, the uplink synchronous of UE was set up, above-mentioned access at random and E-RUCCH process of transmitting can be avoided fully.
Summary of the invention
In view of this, for after overcoming NodeB and by E-AGCH UE being carried out uplink authorization, UE could send the situation of above-mentioned signaling message on E-DCH, and the present invention has provided a kind of shared channel uplink RRC (Radio Resource Control) signaling transmission method.
Receive the first kind signaling message of network side as UE after, if the UE uplink synchronous obtains:
Monitor in some time windows that UE began from the moment that receives first kind signaling message so and strengthen proprietary transmission channel (E-DCH) absolute grant channel (E-AGCH): if in this time window, do not receive E-AGCH, and UE has upstream data to need to send, and then sends uplink control channel (E-RUCCH) request scheduling to NodeB; After if UE receives E-AGCH from NodeB, judge then whether its E-DCH Radio Network Temporary Identifier (E-RNTI) is public E-RNTI or the special E-RNTI of oneself selecting, if public E-RNTI or the special E-RNTI oneself selected, resource during then this UE authorizes according to this E-AGCH uses E-DCH physical uplink link channel (E-PUCH) to send uplink RRC (Radio Resource Control) signaling message, and goes up receiving feedback information at indicating channel (E-HICH); If not public E-RNTI or the special E-RNTI oneself selected, and UE has upstream data to need to send, and then sends uplink control channel (E-RUCCH) request scheduling to NodeB.
The present invention gives a kind of realization system for carrying out said process: comprising: receiving element, monitoring unit, judging unit, transmitting element; After described receiving element receives the first kind signaling message of network side, if the terminal UE uplink synchronous obtains, described monitoring unit is monitored and is strengthened proprietary transmission channel (E-DCH) absolute grant channel (E-AGCH), after described receiving element is received E-AGCH from base station node B, whether its E-DCH Radio Network Temporary Identifier (E-RNTI) of described judgment unit judges is public E-RNTI or the special E-RNTI of oneself selecting, if then send uplink RRC (Radio Resource Control) signaling message by described transmitting element.
After adopting said method and system, after can overcoming NodeB and by E-AGCH UE being carried out uplink authorization, UE could send the situation of above-mentioned signaling message on E-DCH, improve the in time mutual of RRC signaling, the time delay of minimizing chain of command.
Description of drawings
Fig. 1 is UE uplink RRC (Radio Resource Control) signaling transmission flow figure of the present invention;
Fig. 2 is the flow chart of the specific embodiment of the invention one;
Fig. 3 is the specific embodiment of the invention three transmission system schematic diagrames.
Embodiment
Enforcement below in conjunction with 1,2,3 pairs of the inventive method of accompanying drawing is described in further detail:
Specific embodiment one:
As shown in Figure 2:
Step 1: when RRC Idle state UE need send " RRC connection request " message (RRCCONNECTION REQUEST) to network side, UE at first selects public E-RNTI, insert (sending UpPCH) at random, and send E-RUCCH, carry the public E-RNTI that UE selects in the message.
Step 2: after NodeB receives E-RUCCH, in scheduling window, carry out resource authorization according to the SI information of carrying among the E-RUCCH, and send to UE by E-AGCH.
When step 3: UE detects the E-AGCH authorization message that carries the public E-RNTI that oneself selects in scheduling window, resource during this UE authorizes according to this uses E-PUCH to send up " RRC connection request " message, and on the E-HICH of correspondence receiving feedback information.
Step 4: the HS-SCCH of appointment and relevant public H-RNTI in the UE monitoring system message.
Step 5: connect when setting up message (RRC CONNECTION SETUP) when network side need send RRC to UE, NodeB uses public H-RNTI to send HS-SCCH message, and scheduling UE receives HS-PDSCH.
Step 6: NodeB sends the RRC connection and sets up message on HS-PDSCH.Network side carries out blind re-transmission in order to guarantee accuracy, reuses this public H-RNTI scheduling resource.
Step 7: when UE receive the first kind signaling message of network side such as RRC connect set up message after, if the UE uplink synchronous obtains, monitor E-AGCH in the some time windows that begin from the moment that receives first kind message.This time window length is by system message or descending RRC signaling message notice UE.
Step 8: if after UE receives E-AGCH from NodeB, judge whether its E-RNTI is public E-RNTI or the special E-RNTI of oneself selecting, if public E-RNTI or the special E-RNTI oneself selected, then this UE uses E-PUCH to send up signaling RRC connection foundation according to the resource in this E-AGCH mandate and finishes (RRC CONNECTION SETUP COMPLETE) or RRC connection foundation failure (RRCCONNECTION SETUP FAILURE), and on the E-HICH of correspondence receiving feedback information, if not public E-RNTI or the special E-RNTI oneself selected, and described UE has upstream data to need to send, and then sends uplink control channel (E-RUCCH) request scheduling to described NodeB.
Step 9: if do not receive the authorization message that issues on the one's own E-AGCH in this time window, and UE has the RRC signaling message to need to send, and then sends E-RUCCH and carries out the dispatch request authorization message to NodeB.
Specific embodiment two:
Step 1: when URA_PCH or CELL_PCH state, UE has up RLC data block or controll block to need to send, and needs to send cell update message (CELL UPDATE) to network side earlier.If UE does not have special E-RNTI, UE at first selects public E-RNTI, inserts (sending UpPCH) at random, and sends E-RUCCH, carries public E-RNTI or special E-RNTI that UE selects in the message.
Step 2: after NodeB receives E-RUCCH, in scheduling window, carry out resource authorization according to the SI information of carrying among the E-RUCCH, and send to terminal by E-AGCH.
When step 3: UE detects the E-AGCH authorization message that carries the public E-RNTI that oneself selects or special E-RNTI in scheduling window, resource during this UE authorizes according to this uses E-PUCH to send the uplink cells updating message, and on the E-HICH of correspondence receiving feedback information.
Step 4: the HS-SCCH of appointment and relevant public H-RNTI or special E-RNTI in the UE monitoring system message.
Step 5: when network side need be when UE sends cell update acknowledge message (CELL UPDATE CONFIRM), NodeB uses public H-RNTI or special E-RNTI to send HS-SCCH message, and scheduling UE receives HS-PDSCH.Network side may carry out blind re-transmission in order to guarantee accuracy, reuses this public H-RNTI scheduling resource.
Step 6: receive the first kind signaling message such as cell update acknowledge message of network side as UE after,, monitor E-AGCH in the time window that begins from the moment that receives first kind message if the UE uplink synchronous obtains.This time window length is by system message or descending RRC signaling message notice UE.
Step 7: if after UE receives E-AGCH from NodeB, judge whether its E-RNTI is public E-RNTI or the special E-RNTI of oneself selecting, if public E-RNTI or the special E-RNTI oneself selected, resource during then this UE authorizes according to this E-AGCH uses E-PUCH to send for example UTRAN mobile message affirmation of up signaling, and on the E-HICH of correspondence receiving feedback information, if not public E-RNTI or the special E-RNTI oneself selected, and described UE has upstream data to need to send, and then sends uplink control channel (E-RUCCH) request scheduling to described NodeB.
Step 8: if do not receive the authorization message that issues on the one's own E-AGCH in this time window, and UE has the RRC signaling message to need to send, and then sends E-RUCCH and carries out dispatch request to NodeB.
Specific embodiment three:
As shown in Figure 3:
Shared channel uplink RRC (Radio Resource Control) signaling transmission system in a kind of TD-SCDMA system comprises: receiving element, monitoring unit, judging unit, transmitting element; After described receiving element receives the first kind signaling message of network side, if the terminal UE uplink synchronous obtains, described monitoring unit is monitored and is strengthened proprietary transmission channel (E-DCH) absolute grant channel (E-AGCH), after described receiving element is received E-AGCH from base station node B, whether its E-DCH Radio Network Temporary Identifier (E-RNTI) of described judgment unit judges is public E-RNTI or the special E-RNTI of oneself selecting, if then send uplink RRC (Radio Resource Control) signaling message by described transmitting element.
Step 1: when UE need send " RRC connection request " message (RRC CONNECTIONREQUEST) to network side, UE at first selects public E-RNTI, insert (sending UpPCH) at random, and scheduling unit transmission E-RUCCH, the public E-RNTI that UE selects carried in the message.
Step 2: after NodeB receives E-RUCCH, in scheduling window, carry out resource authorization according to the SI information of carrying among the E-RUCCH, and send to UE by E-AGCH.
The monitoring unit of step 3: UE receives E-AGCH in scheduling window, the E-RNTI that judgment unit judges is carried to E-AGCH is exactly the public E-RNTI that oneself is selected, the transmitting element of this UE uses E-PUCH to send up " RRC connection request " message according to the resource of indicating in this E-AGCH authorization message, and on the E-HICH of correspondence receiving feedback information.
Step 4: the HS-SCCH of appointment and relevant public H-RNTI in the UE monitoring system message.
Step 5: connect when setting up message (RRC CONNECTION SETUP) when network side need send RRC to UE, NodeB uses public H-RNTI to send HS-SCCH message, and scheduling UE receives HS-PDSCH.
Step 6: NodeB sends the RRC connection and sets up message on HS-PDSCH.Network side carries out blind re-transmission in order to guarantee accuracy, reuses this public H-RNTI scheduling resource.
Step 7: when the receiving element of UE receive the first kind signaling message of network side such as RRC connect set up message after, if the terminal UE uplink synchronous obtains, monitor E-AGCH in the time window that monitoring unit began from the moment that receives first kind message.This time window length is by system message or descending RRC signaling message notice UE.
Step 8: if after the monitoring unit of UE is received E-AGCH from NodeB, whether its E-DCH Radio Network Temporary Identifier of judgment unit judges E-RNTI is public E-RNTI or the special E-RNTI of oneself selecting, if public E-RNTI or the special E-RNTI oneself selected, then the transmitting element of this UE uses E-PUCH to send up signaling RRC connection foundation according to the resource in this E-AGCH mandate and finishes (RRCCONNECTION SETUP COMPLETE) or RRC connection foundation failure (RRC CONNECTION SETUPFAILURE), and on the E-HICH of correspondence receiving feedback information, if not public E-RNTI or the special E-RNTI oneself selected, and described UE has upstream data to need to send, and then sends uplink control channel (E-RUCCH) request scheduling by scheduling unit to described NodeB.
Step 9: if receiving element does not receive the authorization message that issues on the one's own E-AGCH in this time window, and UE has the RRC signaling message to need to send, and then scheduling unit sends E-RUCCH and carries out the dispatch request authorization message to NodeB.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method for shared channel ascending wireless resource control (RRC) signaling transmission in the TD-SCDMA system is characterized in that:
Receive the first kind signaling message of network side when terminal UE after, if the UE uplink synchronous obtains, monitor in some time windows that described UE began from the moment that receives first kind signaling message and strengthen proprietary transmission channel (E-DCH) absolute grant channel (E-AGCH):
Described UE judges whether its E-DCH Radio Network Temporary Identifier (E-RNTI) is public E-RNTI or the special E-RNTI of oneself selecting after receiving E-AGCH from base station node B, if the resource during described UE authorizes according to described E-AGCH uses E-DCH physical uplink link channel (E-PUCH) to send uplink RRC (Radio Resource Control) signaling message.
2. method according to claim 1, it is characterized in that, if not public E-RNTI or the special E-RNTI oneself selected, and described UE has upstream data to need to send, and then sends uplink control channel (E-RUCCH) request scheduling to described NodeB.
3. method according to claim 1 and 2, it is characterized in that, if do not receive described E-AGCH in described time window, and described UE has upstream data to need to send, and then sends uplink control channel (E-RUCCH) request scheduling to described NodeB.
4. method according to claim 1 and 2 is characterized in that: described first kind signaling message comprises that RRC connects and sets up message, cell update acknowledge message.
5. method according to claim 1 is characterized in that: the length of described time window is notified described UE by system message or descending RRC signaling message.
6. method according to claim 1 is characterized in that: described uplink RRC (Radio Resource Control) signaling message comprises that RRC connection setup complete message or RRC connect and sets up failed message or UTRAN mobile message.
7. method according to claim 1 is characterized in that: described UE sends data and comprises signaling message.
8. shared channel ascending wireless resource control (RRC) signaling transmission system in the TD-SCDMA system is characterized in that, comprising: receiving element, monitoring unit, judging unit, transmitting element; After described receiving element receives the first kind signaling message of network side, if the terminal UE uplink synchronous obtains, described monitoring unit is monitored and is strengthened proprietary transmission channel (E-DCH) absolute grant channel (E-AGCH), after described receiving element is received E-AGCH from base station node B, whether its E-DCH Radio Network Temporary Identifier (E-RNTI) of described judgment unit judges is public E-RNTI or the special E-RNTI of oneself selecting, if then send uplink RRC (Radio Resource Control) signaling message by described transmitting element.
9. system according to claim 8, it is characterized in that: further, also comprise scheduling unit, if the described E-RNTI of described judgment unit judges is not public E-RNTI or special E-RNTI that oneself is selected, and described UE has upstream data to need to send, and then described scheduling unit sends uplink control channel (E-RUCCH) request scheduling to described NodeB.
10. system according to claim 8 is characterized in that: described monitoring unit is monitored and strengthened proprietary transmission channel (E-DCH) absolute grant channel (E-AGCH) and comprising: described monitoring unit receives in some time windows that moment of first kind signaling message begins from described receiving element and monitors described E-AGCH.
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Application publication date: 20100915 |