CN101179825B - Uplink non-continuous transmission processing method, terminal, base station and system - Google Patents
Uplink non-continuous transmission processing method, terminal, base station and system Download PDFInfo
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Abstract
The invention discloses a processing method, a terminal, a base station and a system for uplink discontinuous transmission that relate to the packet operation filed for realizing DRX of the base station in a long period of DTX. During DTX of a long period, when the terminal requires to conduct uplink data transmission, the base station is notified to require uplink data transmission according to the set MAC-DTX period, and the uplink data transmission is started according to the set MAC-DTX period; accordingly, after detecting the notice according to the set MAC-DTX period, the base station starts receiving the uplink data according to the set MAC-DTX period, and the base station is not required to conduct continuous receiving; therefore, the base station realizes DRX in the DTX long period and receiver resources of base station is largely saved. The terminal notifies the base station to launch a requirement of uplink data transmission, which can be realized by a bellwether. Besides, length of the bellwether is set by a network high level according to the long period of DTX, thus the length of the bellwether is flexible and variable.
Description
Technical field
The present invention relates to the Packet Service field, be meant the processing method of upstream discontinuous transmission, a kind of terminal, base station and system that realizes the upstream discontinuous transmission especially.
Background technology
The development of wireless communication packets business is very rapid, and its business characteristic is the sudden of transfer of data, and promptly transfer of data is intermittently carried out.In the processing procedure of a Packet Service, may carry out the discontinuous transmission of data very repeatedly, as the web page browsing business, normally there are the download webpage of transfer of data and the browsing page of free of data transmission to hocket, also there are some other Packet Services to need for a long time fragmentary transfer of data.In the processing procedure of Packet Service, if having or not transfer of data all to keep same connection status, like this, also need to distribute identical resource when not having transfer of data, do not make full use of for the resource of distributing, this is a kind of waste; And owing to unappropriated resource in the system is many more, the number of users that system can hold is just big more, and the too much resource of system assignment will cause system can't hold more online user, limit online user's quantity.In the processing procedure of Packet Service, if transfer of data connected when beginning, discharge to connect when transfer of data stops, will causing the frequent foundation and the release that connect, the system that makes frequently controls the processing of Packet Service, increases the burden of system; And because the frequent foundation that connects with increasing the time delay of transfer of data, can't be satisfied the requirement of some Packet Services to real-time.
At present, for Packet Service online user's quantity is provided, the notion of permanent online (Continuousconnectivity for packet data users) has been proposed, hope makes subscriber equipment (UserEquipment by some technology, UE) with universal mobile telecommunications system Radio Access Network (UMTS (Universal MobileTelecommunications System) Radio Access Network, UTRAN) do not having between the non-active period of transfer of data between, can remain on connected state for a long time, it is the CELL_DCH state, simultaneously consume interface-free resources again rarely, and business recovery time requirement is lower than 50 milliseconds (ms).The unactivated state of this free of data transmission can be described as forever online (Continuous Packet Connectivity, CPC) state.
The restriction principal element of online user's quantity simultaneously is a uplink interference, at existing Wideband Code Division Multiple Access (WCDMA) (Wide-band Code Division Multiple Access, WCDMA) in the agreement, when UE is in connected state, no matter have or not transfer of data, up Dedicated Physical Control Channel (Dedicated PhysicalControl Channel, DPCCH) all can transmission power control, control information such as pilot signal, like this, will bring uplink interference to other users, make the number of users that is in connected state be restricted.Therefore, existing scheme mainly is by reducing uplink interference, increasing simultaneously online number of users.
At present, employing cycle gate (gating) scheme reduces uplink interference, promptly lower in the transmitting uplink data amount, non-continuous data transmission or transfer of data idle period of time, stop up DPCCH and descending segment DPCH (Fractional Dedicated Physical Channel, F-DPCH) continuous transmission, only on the part subframe of interval some cycles, carry out the transmission of up DPCCH and descending F-DPCH, with holding power control and keep that UE and UTRAN's is synchronous, on this moment, descending discontinuous transmission (the Discontinuous Transmission that all is in, DTX) state is called the CPC state.In connecting foundation or reconfiguration course, radio network controller (Radio Network Controller, RNC) determine that UE supports the CPC pattern after, the CPC parameter that configuration is relevant, the CPC parameter mainly comprises two DTX cycles, the length of leading (preamble) that is adopted etc.
Set up between UE and the UTRAN after grouping is connected, the upstream data buffer state that carries in the schedule information that UTRAN reports by UE is known the upstream data amount, and the data queue status of this UE by the UTRAN side is known the downlink data amount.On in a period of time, the downlink data amount is lower, non-continuous data transmission or transfer of data free time, be that UTRAN detects, the downlink data amount is lower, non-continuous data transmission or transfer of data start timer when idle, during this timer expiry, grouping between UE and the UTRAN connects the CPC state that enters, begin UE carries out the up DPCCH of periodic intervals with the UE_DTX cycle 1 (UE_DTX_cycle_1) DTX from certain radio frames, as shown in Figure 1, in the DPCCH in UE_DTX cycle 1 transmission pattern, the length of the subframe of transmission is UE_DPCCH burst 1 (UE_DPCCH_burst_1) on each UE_DTX cycle 1.(Discontinuous Receiving, DRX) skew (UE_DTX_DRX_offset) are distributed on the different subframes of radio frames the transmission pattern to the transmission pattern of a plurality of UE by the discontinuous reception of different UE_DTX_ is set.Up DPCCH is during being the cycle to carry out DTX with the UE_DTX cycle 1, if enhanced dedicated physical channel (Enhanced Dedicated Physical Channel, E-DCH) from the no E-DCH transmission in the subframe of setting quantity of transmission back last time, then up DPCCH carries out the DTX of periodic intervals with the UE_DTX cycle 2 (UE_DTX_cycle_2), setting quantity is the static threshold (Inactivity_Threshold_for_UE_DTX_cycle_2) that enters the UE_DTX cycle 2, in the DPCCH in UE_DTX cycle 2 transmission pattern, the length of the subframe of transmission is UE_DPCCH burst 2 (UE_DPCCH_burst_2) on each UE_DTX cycle 2.In addition, up DPCCH is during DTX, if up other Channel Transmission that have except that up DPCCH in crack at a time then also need to transmit at the up DPCCH of this time slot.
If the parameter UE_DPCCH burst leading (UE_DPCCH_burst_preamble) of RNC configuration is true, then up DPCCH led (postamble) behind leading (preamble) of 2 time slots of needs transmission and 1 time slot before carrying out DTX according to the transmission pattern.When up other Channel Transmission that have except that up DPCCH, to leading and after lead be provided with certain requirement.During the DTX that adopts the UE_DTX cycle 1, UE can send a small amount of upstream data, and before E-DCH transmission and afterwards, up DPCCH need respectively to send the leading of 2 time slots and 1 time slot after lead, if that transmission is high speed (High Speed, HS)-the DPCCH subframe, then before transmission and afterwards, up DPCCH need respectively to send at least 2 time slots leading and at least 1 time slot after lead.During the DTX that adopts the UE_DTX cycle 2, if UE has upstream data to need to send, before the E-DCH transmission, the leading number of timeslots that up DPCCH needs to send earlier be a UE_DTX long preambles length (UE_DTX_long_preamble_length), and after the E-DCH transmission, send 1 time slot after lead; If transmission is the HS-DPCCH subframe, if UE has grace time, then before HS-DPCCH transmission and afterwards, up DPCCH need respectively to send UE_DTX long preambles length at least leading and at least 1 time slot after lead, if the UE time is inadequate, then UE begins up DPCCH transmission as early as possible, and after the transmission of HS-DPCCH subframe at least 1 time slot of transmission after lead.(parameter UE_DXT long preambles is the parameter of Boolean type if the parameter UE_DTX long preambles (UE_DTX_long_preamble) of RNC configuration is for true (true), its value is true or is vacation, be configured by RNC), then UE_DTX long preambles length is 15 time slots, if the UE_DTX long preambles of RNC configuration is false (false), then UE_DTX long preambles length is 2 time slots.
As shown in Figure 1, the CPC parameter of RNC configuration is: the UE_DTX_DRX skew is 1 subframe, UE_DTX cycle 1 length is 4 subframes (subframes), UE_DPCCH burst 1 is 1 subframe, UE_DTX cycles 2 length is 8 subframes, and UE_DPCCH burst 2 is 1 subframe, and the static threshold that enters the UE_DTX cycle 2 is 4 subframes, the UE_DPCCH burst is leading to be true, and the UE_DTX long preambles is false.
In cycle gate scheme, RNC can limit the time started of E-DCH transmission under the CPC state.As shown in Figure 2, under the CPC state, up DPCCH with the UE_DTX cycle 1 be carry out DTX the cycle during, if in E-DCH no E-DCH transmission in the subframe of setting quantity after transmission last time, setting quantity is UE static threshold (UE_Inactivity_Threshold), the UE static threshold is the parameter of RNC configuration, when then E-DCH need transmit, need the time started that E-DCH transmits be limited according to the transmission pattern of up DPCCH, promptly when up DPCCH begins to transmit according to the transmission pattern, E-DCH just can begin transmission, and UE can use and is positioned at transmission behind the pattern, continuous subframes length is no more than the subframe of UE static threshold and carries out the E-DCH transmission.By this implementation, whether have E-DCH transmission get final product, needn't receive the E-DCH transmission of UE continuously if making base station unit (NodeB) only need to detect UE in the corresponding moment, realize the DRX of Node B, thereby save the receiver resources of Node B.As shown in Figure 2, the CPC parameter of RNC configuration comprises: the UE_DTX_DRX skew is 1 subframe, UE_DTX cycle 1 length is 4 subframes, UE_DPCCH burst 1 is 1 subframe, and UE_DTX cycles 2 length is 8 subframes, and UE_DPCCH burst 2 is 2 subframes, the UE static threshold is 1 subframe, the static threshold that enters the UE_DTX cycle 2 is 4 subframes, and the UE_DPCCH burst is leading to be true, and the UE_DTX long preambles is false.
Under the CPC state, during up DPCCH is the cycle to carry out DTX with the UE_DTX cycle 1, E-DCH by restriction UE transmits at present, realize the up DRX of Node B, however to up DPCCH with the longer UE_DTX cycle 2 be carry out DTX the cycle during, not to any restriction of E-DCH transmission carrying out of UE, this just needs Node B to receive the E-DCH transmission of UE continuously, no matter whether E-DCH transmits, and to avoid the missing E-DCH transmission, this will waste the resource of Node B receiver greatly.
Summary of the invention
In view of this, the invention provides processing method, terminal, base station and the system of upstream discontinuous transmission, make the base station in the DTX long period, realize DRX.
The processing method of terminal in the discontinuous transmission provided by the invention, terminal with discontinuous transmission DTX long period be carry out DTX the cycle during, terminal comprises steps A: when need be carried out transmitting uplink data, according to the media interviews control MAC_DTX cycle informing base station needs transmit ascending data that is provided with, and begin to send upstream data according to the MAC_DTX cycle that is provided with; Terminal is the cycle to carry out DTX with the DTX short period; Wherein, described in the steps A according to the MAC_DTX cycle informing base station needs transmit ascending data that is provided with, for: transmission carries the leading of predefined sequence to the base station, and it is that described terminal notifies described base station need initiate transmitting uplink data that described predefined sequence is used for identifying described leading effect; Describedly leadingly be: the DTX long period switches to the short-period physical layer signaling of DTX.The processing method of base station in the discontinuous transmission provided by the invention, terminal with discontinuous transmission DTX long period be carry out DTX the cycle during, comprise step B: the base station after the notice from described terminal, begins receive upstream data according to the MAC_DTX cycle according to the MAC_DTX cycle detection that is provided with.
The terminal of realization upstream discontinuous transmission provided by the invention, comprise: clock control cell, notification unit and data transmission unit, wherein, described clock control cell is used for when terminal needs transmit ascending data, inform that according to the MAC_DTX cycle that is provided with described notification unit sends the transmitting uplink data notice, and inform that according to the MAC_DTX cycle that is provided with described data transmission unit sends upstream data and sends; Described notification unit is used for the information of informing according to described clock control cell, transmission transmitting uplink data notice, wherein, described notification unit sends the transmitting uplink data notice: send to the base station and carry the leading of predefined sequence, it is that described terminal notifies described base station need initiate transmitting uplink data that described predefined sequence is used for identifying described leading effect; Describedly leadingly be: the DTX long period switches to the short-period physical layer signaling of DTX; Described data transmission unit is used for beginning to send upstream data according to the information of informing of described clock control cell, and is the cycle to carry out DTX with the DTX short period.
The base station of realization upstream discontinuous transmission provided by the invention, comprise clock trigger element, notice detecting unit and Data Receiving unit, wherein, described clock trigger element was used for according to the MAC_DTX cycle that is provided with, notify described notice detecting unit to detect whether to have the transmitting uplink data notice, and according to the feedback of described notice detecting unit, and notify described Data Receiving unit to receive upstream data according to the MAC_DTX cycle that is provided with; Described notice detecting unit is used for detecting the transmitting uplink data notice according to the notice from described clock trigger element, and feeds back to the clock trigger element; The notice that described Data Receiving unit is used for described clock trigger element begins to receive upstream data, wherein, described transmitting uplink data notice carries the leading of predefined sequence for terminal sends to the base station, and it is that described terminal notifies described base station need initiate transmitting uplink data that described predefined sequence is used for identifying described leading effect; Describedly leadingly be: the DTX long period switches to the short-period physical layer signaling of DTX.
Realization upstream discontinuous system for transmitting provided by the invention, comprise: terminal and base station, wherein, described terminal is used for when terminal needs transmit ascending data, sending transmitting uplink data according to the MAC_DTX cycle that is provided with notifies, and begin to send upstream data according to the MAC_DTX cycle that is provided with, terminal is the cycle to carry out DTX with the DTX short period, wherein, the MAC_DTX cycle according to setting is notified the needs transmit ascending data, for: transmission carries the leading of predefined sequence to the base station, and it is that described terminal notifies described base station need initiate transmitting uplink data that described predefined sequence is used for identifying described leading effect; Describedly leadingly be: the DTX long period switches to the short-period physical layer signaling of DTX; Described base station is used for according to the MAC_DTX cycle detection that is provided with whether the transmitting uplink data notice being arranged, and after receiving the transmitting uplink data notice, begins to receive upstream data according to the MAC_DTX cycle that is provided with.
Among the present invention, UE carries out during the DTX with the DTX long period, when UE need carry out transmitting uplink data, according to the MAC_DTX cycle informing base station needs transmit ascending data that is provided with, and begin to send upstream data according to the MAC_DTX cycle that is provided with, correspondingly, after notice is arrived according to the MAC_DTX cycle detection that is provided with in the base station, begin to receive upstream data according to the MAC_DTX cycle, receive continuously and need not the base station, make the base station in the DTX long period, realize DRX, saved the receiver resources of base station greatly.The UE informing base station initiates to need transmit ascending data to realize by leading, this leading length can be provided with according to the DTX long period by the network high level among the present invention, therefore this leading length is flexibility and changeability, rather than as existing, fix the preamble length that adopts 15 time slots, saved transmission resource of network.
Description of drawings
Fig. 1 is DTX and E-DCH transmission example one schematic diagram of up DPCCH under the existing CPC state;
Fig. 2 is DTX and E-DCH transmission example two schematic diagrames of up DPCCH under the existing CPC state;
Fig. 3 is a CPC state exchange flow chart in the embodiment of the invention;
Fig. 4 is the DTX of a up DPCCH and E-DCH transmission schematic diagram under the CPC state in the embodiment of the invention;
Fig. 5 is a structural representation of realizing the terminal of upstream discontinuous transmission in the embodiment of the invention;
Fig. 6 is a structural representation of realizing the base station of upstream discontinuous transmission in the embodiment of the invention;
Fig. 7 is a structural representation of realizing the upstream discontinuous system for transmitting in the embodiment of the invention.
Embodiment
In the embodiments of the invention, UE with the DTX long period, be to be to carry out in the cycle during the DTX in the UE_DTX cycle 2, when UE need carry out transmitting uplink data, according to media interviews control (the MediaAccess Control that is provided with, MAC) _ DTX cycle informing base station needs transmit ascending data, and begin to send upstream data according to the MAC_DTX cycle that is provided with.Correspondingly, the base station after notice, begins receive upstream data according to the MAC_DTX cycle according to the MAC_DTX cycle detection that is provided with.UE can need send upstream data by informing base station before arriving the MAC_DTX cycle boundary, if the base station is notified before the MAC_DTX cycle boundary, then begin to receive upstream data according to the MAC_DTX cycle.
Fig. 3 is a CPC state exchange flow chart in the embodiment of the invention, and as shown in Figure 3, the processing procedure of carrying out the CPC state exchange may further comprise the steps:
Step 301:UE sets up Packet Service with UTRAN and is connected.
Step 302: up DPCCH sends continuously, and UE sends upstream data continuously, and Node B receives control information and the upstream data of up DPCCH continuously.
Step 303:UTRAN whether detects low, the discontinuous transmission of upstream data amount or the free of data transmission is overtime, if then continue execution in step 304; Otherwise, return execution in step 302.Whether UTRAN detects the overtime specific implementation of low, the discontinuous transmission of upstream data amount or free of data transmission can be: UTRAN detects that the uplink and downlink data volume is lower, non-continuous data transmission or transfer of data start timer when idle, if recover the transmission of uplink and downlink data volume, then timer is reset, otherwise, during timer expiry, just show that UTRAN detects low, the discontinuous transmission of upstream data amount or the free of data transmission is overtime.
Step 304:UE and UTRAN enter the CPC state.
Step 305: up DPCCH with the DTX short period, be to be the cycle to carry out DTX in the UE_DTX cycle 1, at DTX under the short period, the discontinuous transmission upstream data of UE, control information and the upstream data of the up DPCCH of the discontinuous reception of Node B.
Whether step 306:UTRAN detects the upstream data amount increases, and need withdraw from the CPC state, if then return execution in step 302; Otherwise, continue execution in step 307.
It is overtime whether step 307:UTRAN detects up free of data, if then continue execution in step 308; Otherwise, return execution in step 305.Whether UTRAN detects the overtime specific implementation of up free of data can be: UTRAN detects and starts timer when up free of data is transmitted, if when the transmission of upstream data amount is arranged, then timer is reset, otherwise, during timer expiry, it is overtime just to show that UTRAN detects up free of data amount.
Step 308: up DPCCH with the DTX long period, be to be the cycle to carry out DTX in the UE_DTX cycle 2, the discontinuous transmission upstream data of UE, control information and the upstream data of the up DPCCH of the discontinuous reception of Node B.
Step 309:UE judges whether up the transfer of data requirement arranged, if then continue execution in step 310; Otherwise, return execution in step 308.
Step 310:UE is according to the MAC_DTX cycle informing base station needs transmit ascending data that is provided with, and begins to send upstream data according to the MAC_DTX cycle that is provided with.Node B is according to the MAC_DTX cycle detection notice that is provided with, and after notified, begins to receive upstream data according to the MAC_DTX cycle.After UE begins to send upstream data, be the cycle to carry out DTX with the DTX short period immediately, promptly return execution in step 305.
In addition, UE with the DTX short period be carry out DTX the cycle during, if in E-DCH no E-DCH transmission in the subframe of setting quantity after transmission last time, setting quantity is the UE static threshold, the UE static threshold is the parameter of RNC configuration, when then E-DCH need transmit, can limit the time that E-DCH begins to transmit, also the time that can not begin to transmit to E-DCH limits.
The time that E-DCH is begun to transmit is when limiting, need the time started that E-DCH transmits be limited according to the transmission pattern of up DPCCH, promptly when up DPCCH begins to transmit according to the transmission pattern, E-DCH just can begin transmission, and further, UE can use and be positioned at transmission subframe behind the pattern, that continuous subframes length is no more than the UE static threshold and carry out the E-DCH transmission.At this moment, under the short period, Node B can carry out discontinuous reception at DTX.
When the time that E-DCH is begun to transmit does not limit, promptly, just can transmit immediately as long as E-DCH needs transmission.At this moment, under the short period, Node B can carry out discontinuous reception at DTX.
The MAC_DTX Cycle Length can be given UE and Node B by the high-rise configuration of network, and as by the RNC among the UTRAN MAC_DTX Cycle Length being set, and UE and Node B are given in configuration.The network high level can be provided with the MAC_DTX Cycle Length and be not more than the DTX maximum cycle length, a DTX long period can be set further comprise one or more MAC_DTX cycles.The network high level further can be provided with the MAC_DTX Cycle Length according to delay requirement and the short-period length of DTX that data are recovered, like this, the MAC_DTX Cycle Length the DTX short period between the 50ms, 50ms is business recovery time requirement.Further, a MAC_DTX cycle can comprise one or more DTX short periods, and at this moment, the border in MAC_DTX cycle overlaps with the short-period border of DTX.
When UE needs transmit ascending data, must begin to send upstream data according to the MAC_DTX cycle that is provided with.UE begins to send the automatic repeat requests of mixing (the Hybrid Automatic Repeat reQuest that upstream data can pass through the MAC layer of UE according to the MAC_DTX cycle, HARQ) the enhancing dedicated channel of entity transmission union pattern (E-DCH (Enhanced Dedicated Physical Channel) TransportFormat Combination, E-TFC) selection function to upstream data must according to the MAC_DTX cycle begin the transmission limit, the HARQ entity that is UE carries out the E-TFC selection according to the MAC_DTX cycle that is provided with, and realizes that UE begins transmit ascending data according to the MAC_DTX cycle.The transmission pattern of considering different UEs is distributed on the different subframes of radio frames the transmission pattern by different DTX_DRX skews is set, up DPCCH carries out during the DTX with the DTX long period, if UE needs transmit ascending data, then the HARQ entity need carry out the E-TFC selection, promptly at a Connection Frame Number (ConnectionFrame Number, CFN) in, when meeting the following conditions, the HARQ entity carries out E-TFC and selects.
For the Transmission Time Interval of 2ms (Transport Time Interval, TTI):
[5 * CFN+Subframe number+DTX_DRX skew] mod MAC_DTX cycle=0
Wherein, subframe number is a subframe numbers.
TTI for 10ms:
[CFN+DTX_DRX skew] mod MAC_DTX cycle=0
The transmission pattern of UE is distributed on the different subframes of radio frames the transmission pattern by different DTX_DRX skews is set, and described DTX_DRX skew can be the UE_DTX_DRX skew.
Under the CPC state, during up DPCCH is the cycle to carry out DTX with the DTX long period, if UE need initiate transmitting uplink data, before transmit ascending data, need notice Node B need send upstream data, UE notice Node B need send upstream data and can send leading the realization to Node B by UE, and leading length can be by the high-rise configuration of network, as come the length of configuring preamble by the RNC among the UTRAN.Node B leadingly determines that whether UE initiates transmitting uplink data, upgrades multipath information simultaneously by detecting.Leading time slot format can adopt the time slot format of up DPCCH, by this leading through-put power control (Transmission Power Control that comprises, TPC) predefined sequence is carried in the territory, be used for sign this leadingly be used to notify Node B UE need initiate transmitting uplink data.
Node B is according to parameter MAC_DTX cycle and the up DPCCH of the discontinuous reception of preamble length, whether periodically detecting UE initiates transmitting uplink data, be that a plurality of time slots of Node B before the MAC_DTX cycle boundary detect and whether are useful on notice UE and need initiate the leading of transmitting uplink data, the concrete number of timeslots of described a plurality of time slots can be corresponding with preamble length, is preamble length as concrete number of timeslots.Because the transmission pattern of different UEs is distributed on the different subframes of radio frames the transmission pattern by different DTX_DRX skews is set, Node B detect this leading after, upstream data will begin transmission with the most contiguous next DTX short period border of current MAC_DTX cycle, the cycle of up DTX is converted to the DTX short period by the DTX long period simultaneously, as shown in Figure 4.Similarly, in a CFN, Node B receives upstream data when meeting the following conditions.
TTI for 2ms:
[5 * CFN+subframe number+DTX_DRX skew] mod MAC_DTX cycle=0
Wherein, subframe number is a subframe numbers.
TTI for 10ms:
[CFN+DTX_DRX skew] mod MAC_DTX cycle=0
The transmission pattern of UE is distributed on the different subframes of radio frames the transmission pattern by different DTX_DRX skews is set, and described DTX_DRX skew can be the UE_DTX_DRX skew.
Because that carries predefined sequence leadingly is used to identify this leading notice for UE initiation transmitting uplink data, and when upstream data began to transmit according to the MAC_DTX cycle, the cycle of up DTX is converted to the DTX short period by the DTX long period, therefore, this leading DTX long period that also can be used as switches to the short-period physical layer signaling of DTX.Up DPCCH with the DTX long period be carry out DTX the cycle during, if up DPCCH needed to send before sending upstream data leading with before up DPCCH transmission pattern, need to send leading overlapping on time slot, then up DPCCH only sends need before the upstream data to send leading.
When the parameter UE_DTX long preambles that disposes is a true time, the network high level, can be as RNC according to DTX maximum cycle length configuration UE _ DTX long preambles length, as 3 time slots, 6 time slots, 9 time slots, 12 time slots, 15 time slots, or the like, rather than as existing, fix the preamble length that adopts 15 time slots, saved transmission resource of network.Like this, when UE sends upstream data at the MAC_DTX cycle boundary that is provided with, Node B will detect leading on the time slot of the setting quantity of MAC_DTX before the cycle that is provided with, and this setting quantity is the preamble length of the high-rise configuration of network.
As shown in Figure 4, the CPC parameter of the high-rise configuration of network comprises: the DTX_DRX skew is 2 subframes, UE_DTX cycle 1 length is 4 subframes, UE_DPCCH burst 1 is 1 subframe, UE_DTX cycles 2 length is 16 subframes, UE_DPCCH burst 2 is 1 subframe, the static threshold that enters the UE_DTX cycle 2 is 4 subframes, the MAC_DTX cycle is 8 subframes, the UE_DPCCH burst is leading to be true, UE_DTX preamble length (UE_DTX_preamble_length) is 3 time slots, and the UE_DTX long preambles is true, and UE_DTX long preambles length is 6 time slots.
The CPC state exchange flow process of describing according to Fig. 3 as seen, between UTRAN and the UE Packet Service is connected set up or reconfiguration course in, after RNC determines that UE supports the CPC pattern, the CPC parameter that configuration is correlated with.The upstream data buffer state that carries in the schedule information that UTRAN reports by UE is known the upstream data amount, and the data queue status of this UE by the UTRAN side is known the downlink data amount.Upstream packet business datum amount is lower than pre-configured threshold value, the discontinuous transmission of data or the free of data transmission is overtime if UTRAN detects, then connect the CPC state that enters, up DPCCH by continuous transmission become with the DTX short period be the up DTX that carries out periodic intervals the cycle, the discontinuous transmission upstream data of UE, control information and the upstream data of the up DPCCH of the discontinuous reception of Node B.If detecting uplink and downlink grouping busihess data amount, UTRAN increases above pre-configured threshold value, short period DTX does not satisfy the transfer of data requirement, then withdraw from the CPC state, turn back to normal condition, up DPCCH sends continuously, and UE sends upstream data continuously, Node B receives control information and the upstream data of up DPCCH continuously, otherwise, the still discontinuous transmission upstream data of UE, control information and the upstream data of the up DPCCH of the still discontinuous reception of Node B.Under DTX short period state, if it is overtime that UTRAN detects no upstream data transmission, by DTX short period state exchange is DTX long period state, UE carries out the discontinuous transmission upstream data under the DTX long period, and Node B carries out control information and the upstream data of the up DPCCH of discontinuous reception under the DTX long period.
According to above description as seen, up be the cycle with the DTX short period during, UE can begin transmitting uplink data at any time, as E-DCH transmission, Node B needs to receive continuously the up DPCCH of UE; Up be the cycle with the DTX long period during, Node B serves as to detect periodically whether some time slots are leading initiates transmitting uplink data with definite UE with the MAC_DTX cycle, and the up channel of UE is not detected and receives at other time slots, can effectively save the receiver resources of Node B like this.
Fig. 5 is a structural representation of realizing the terminal of upstream discontinuous transmission in the embodiment of the invention, as shown in Figure 5, the terminal that realizes the upstream discontinuous transmission comprises: clock control cell, notification unit and data transmission unit, wherein, clock control cell is used for when terminal needs transmit ascending data, inform that according to the MAC_DTX cycle that is provided with notification unit sends the transmitting uplink data notice, and inform that according to the MAC_DTX cycle that is provided with data transmission unit sends upstream data; Notification unit is used for according to the information of informing from clock control cell, sends the transmitting uplink data notice; Data transmission unit is used for beginning to send upstream data after receiving the information of informing of clock control cell.
Fig. 6 is a structural representation of realizing the base station of upstream discontinuous transmission in the embodiment of the invention, as shown in Figure 6, the base station of realizing the upstream discontinuous transmission comprises clock trigger element, notice detecting unit and Data Receiving unit, wherein, the clock trigger element was used for according to the MAC_DTX cycle that is provided with, notice notice detecting unit detects whether the transmitting uplink data notice is arranged, and according to feedback, and according to the MAC_DTX cycle notification data receiving element reception upstream data that is provided with from the notice detecting unit; The notice detecting unit is used for detecting the transmitting uplink data notice according to the notice of coming the self-clock trigger element, and feeds back to the clock trigger element; The Data Receiving unit is used for according to coming the notice of self-clock trigger element to begin to receive upstream data.The notice detecting unit can be after detecting the transmitting uplink data notice, to the information of clock trigger element detection feedback to the transmitting uplink data notice, at this moment, after the clock trigger element is received feedback, receive upstream data according to the MAC_DTX cycle notification data receiving element that is provided with; No matter whether the notice detecting unit also can detect the transmitting uplink data notice, all feed back to the clock trigger element, at this moment, the clock trigger element receives upstream data according to the MAC_DTX cycle notification data receiving element that is provided with after determining that according to the feedback of receiving the notice detecting unit detects the transmitting uplink data notice.
Fig. 7 is a structural representation of realizing the upstream discontinuous system for transmitting in the embodiment of the invention, as shown in Figure 7, realize that the upstream discontinuous system for transmitting comprises: terminal and base station, wherein, terminal is used for when terminal needs transmit ascending data, sends the transmitting uplink data notice according to the MAC_DTX cycle that is provided with, and begin to send upstream data according to the MAC_DTX cycle of setting; The base station is used for according to the MAC_DTX cycle detection that is provided with whether the transmitting uplink data notice being arranged, and after receiving the transmitting uplink data notice, begins to receive upstream data according to the MAC_DTX cycle that is provided with.
Terminal further comprises clock control cell, notification unit and data transmission unit, and the base station further comprises clock trigger element, notice detecting unit and Data Receiving unit.Wherein, clock control cell in the terminal is used for when terminal needs transmit ascending data, inform that according to the MAC_DTX cycle that is provided with notification unit sends the transmitting uplink data notice to the base station, and send upstream data to the base station according to the MAC_DTX cycle notification data transmitting element that is provided with; Data transmission unit sends upstream data to the Data Receiving unit of base station.Clock trigger element in the base station was used for according to the MAC_DTX cycle that is provided with, notice notice detecting unit detects the transmitting uplink data notice of the notification unit transmission that whether receives terminal, the notice detecting unit is according to coming the notice of self-clock trigger element to detect, and feed back to the clock trigger element, if notice detecting unit feedback is received described transmitting uplink data notice, the clock trigger element is after receiving this feedback so, the upstream data that sends according to the data transmission unit of the MAC_DTX cycle notification data receiving element receiving terminal that is provided with.The notice detecting unit can be after detecting the transmitting uplink data notice, to the information of clock trigger element detection feedback to the transmitting uplink data notice, at this moment, after the clock trigger element is received feedback, receive upstream data according to the MAC_DTX cycle notification data receiving element that is provided with; No matter whether the notice detecting unit also can detect the transmitting uplink data notice, all feed back to the clock trigger element, at this moment, the clock trigger element receives upstream data according to the MAC_DTX cycle notification data receiving element that is provided with after determining that according to the feedback of receiving the notice detecting unit detects the transmitting uplink data notice.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (13)
1. the processing method of terminal in the upstream discontinuous transmission is characterized in that, terminal with discontinuous transmission DTX long period be carry out DTX the cycle during, this method comprises:
A, when terminal need be carried out transmitting uplink data,, and begin to send upstream data according to the MAC_DTX cycle that is provided with according to the media interviews control MAC_DTX cycle informing base station needs transmit ascending data that is provided with;
Terminal is the cycle to carry out DTX with the DTX short period;
Wherein, described in the steps A according to the MAC_DTX cycle informing base station needs transmit ascending data that is provided with, for: transmission carries the leading of predefined sequence to the base station, and it is that described terminal notifies described base station need initiate transmitting uplink data that described predefined sequence is used for identifying described leading effect; Describedly leadingly be: the DTX long period switches to the short-period physical layer signaling of DTX.
2. method according to claim 1 is characterized in that, the implementation that begins to send upstream data according to the MAC_DTX cycle that is provided with described in the steps A is: strengthen dedicated channel transmission union pattern E-TFC according to the MAC_DTX cycle that is provided with and select.
3. method according to claim 2 is characterized in that,
For 2 milliseconds Transmission Time Interval TTI, the described subframe numbers that carries out the E-TFC selection satisfies:
[the discontinuous reception of 5 * Connection Frame Number CFN+ subframe numbers+DTX_ DRX skew] mod MAC_DTX cycle=0;
For 10 milliseconds TTI, the described CFN that carries out the E-TFC selection satisfies:
[CFN+DTX_DRX skew] mod MAC_DTX cycle=0.
4. method according to claim 1 is characterized in that, described terminal with the DTX long period be carry out in the cycle during the DTX before, be the cycle to carry out DTX with the DTX short period, described MAC_DTX Cycle Length the DTX short period between the business recovery time requirement.
5. method according to claim 4 is characterized in that,
The described MAC_DTX cycle is when being the short-period integral multiple of DTX, describedly begins to send upstream data according to the MAC_DTX cycle that is provided with, for: on the MAC_DTX cycle boundary that is provided with, begin to send upstream data; Perhaps,
The described MAC_DTX cycle is not when being the short-period integral multiple of DTX, describedly begins to send upstream data according to the MAC_DTX cycle that is provided with, for: the next DTX short period border the most contiguous with the current MAC_DTX cycle begins to send upstream data.
6. method according to claim 1 is characterized in that, the network high level is provided with described leading length according to the DTX maximum cycle length.
7. method according to claim 1 is characterized in that, if described leading with before up DTX transmission pattern, need to send leading overlapping on time slot, then only send and be used for the described terminal of informing base station and need initiate the leading of transmitting uplink data.
8. the processing method of base station in the upstream discontinuous transmission is characterized in that, terminal with discontinuous transmission DTX long period be carry out DTX the cycle during, this method comprises:
B, base station after the notice from described terminal, begin receive upstream data according to the MAC_DTX cycle according to the MAC_DTX cycle detection that is provided with; And
At DTX under the short period, discontinuous reception ascending control information in base station and upstream data, perhaps, the base station receives ascending control information and upstream data continuously;
Wherein, notice is for to carry the leading of predefined sequence described in the step B, and it is that described terminal notifies described base station need initiate transmitting uplink data that described predefined sequence is used for identifying described leading effect.
9. method according to claim 8 is characterized in that,
Begin to receive upstream data according to the MAC_DTX cycle that is provided with described in the step B, for: on the MAC_DTX cycle boundary that is provided with, begin to receive upstream data;
Leading described in the step B according to the MAC_DTX cycle detection that is provided with, for: detection is leading on the time slot of setting quantity before the MAC_DTX cycle boundary that is provided with, and described setting quantity is the preamble length that the network high level is provided with according to the DTX maximum cycle length.
10. method according to claim 9 is characterized in that,
For 2 milliseconds TTI, the subframe numbers that begins to receive upstream data according to the MAC_DTX cycle described in the step B satisfies:
[5 * CFN+ subframe numbers+DTX_DRX skew] mod MAC_DTX cycle=0;
For 10 milliseconds TTI, the CFN that begins to receive upstream data according to the MAC_DTX cycle described in the step B satisfies:
[CFN+DTX_DRX skew] mod MAC_DTX cycle=0.
11. a terminal that realizes the upstream discontinuous transmission is characterized in that this terminal comprises: clock control cell, notification unit and data transmission unit, wherein,
Described clock control cell is used for when terminal needs transmit ascending data, inform that according to the MAC_DTX cycle that is provided with described notification unit sends the transmitting uplink data notice, and inform that according to the MAC_DTX cycle that is provided with described data transmission unit sends upstream data;
Described notification unit is used for the information of informing according to described clock control cell, transmission transmitting uplink data notice, wherein, described notification unit sends the transmitting uplink data notice: send to the base station and carry the leading of predefined sequence, it is that described terminal notifies described base station need initiate transmitting uplink data that described predefined sequence is used for identifying described leading effect; Describedly leadingly be: the DTX long period switches to the short-period physical layer signaling of DTX;
Described data transmission unit is used for beginning to send upstream data according to the information of informing of described clock control cell, and is the cycle to carry out DTX with the DTX short period.
12. a base station of realizing the upstream discontinuous transmission is characterized in that this base station comprises clock trigger element, notice detecting unit and Data Receiving unit, wherein,
Described clock trigger element was used for according to the MAC_DTX cycle that is provided with, whether notify described notice detecting unit to detect has the transmitting uplink data notice, and according to the feedback of described notice detecting unit, and notify described Data Receiving unit to receive upstream data according to the MAC_DTX cycle that is provided with, wherein, described transmitting uplink data notice carries the leading of predefined sequence for terminal sends to the base station, and it is that described terminal notifies described base station need initiate transmitting uplink data that described predefined sequence is used for identifying described leading effect; Describedly leadingly be: the DTX long period switches to the short-period physical layer signaling of DTX;
Described notice detecting unit is used for detecting the transmitting uplink data notice according to the notice from described clock trigger element, and feeds back to the clock trigger element;
Described Data Receiving unit is used for notice according to described clock trigger element, and to begin receiving terminal be the upstream data that the cycle carries out DTX with the DTX short period.
13. realize the upstream discontinuous system for transmitting, it is characterized in that this system comprises for one kind: terminal and base station, wherein,
Described terminal is used for when terminal needs transmit ascending data, sending transmitting uplink data according to the MAC_DTX cycle that is provided with notifies, and begin to send upstream data according to the MAC_DTX cycle that is provided with, terminal is the cycle to carry out DTX with the DTX short period, wherein, the MAC_DTX cycle according to setting is notified the needs transmit ascending data, for: transmission carries the leading of predefined sequence to the base station, and it is that described terminal notifies described base station need initiate transmitting uplink data that described predefined sequence is used for identifying described leading effect; Describedly leadingly be: the DTX long period switches to the short-period physical layer signaling of DTX;
Described base station is used for according to the MAC_DTX cycle detection that is provided with whether the transmitting uplink data notice being arranged, and after receiving the transmitting uplink data notice, beginning receiving terminal according to the MAC_DTX cycle that is provided with is the upstream data that the cycle carries out DTX with the DTX short period.
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| CN2006101382441A CN101179825B (en) | 2006-11-08 | 2006-11-08 | Uplink non-continuous transmission processing method, terminal, base station and system |
| PCT/CN2007/070497 WO2008025284A1 (en) | 2006-08-22 | 2007-08-16 | Method, device and system of transmitting wireless packet transaction data |
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| CN2006101382441A CN101179825B (en) | 2006-11-08 | 2006-11-08 | Uplink non-continuous transmission processing method, terminal, base station and system |
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