CN102036364A - Timing method, equipment and system of terminal for transmitting upstream information - Google Patents
Timing method, equipment and system of terminal for transmitting upstream information Download PDFInfo
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- CN102036364A CN102036364A CN2009102352201A CN200910235220A CN102036364A CN 102036364 A CN102036364 A CN 102036364A CN 2009102352201 A CN2009102352201 A CN 2009102352201A CN 200910235220 A CN200910235220 A CN 200910235220A CN 102036364 A CN102036364 A CN 102036364A
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Abstract
The invention discloses a timing method of a terminal for transmitting upstream information, which comprises the following steps: relay equipment aligns an upstream subframe edge which is accessed to a link at an upstream subframe edge of a return link, and obtains the upstream frame timing of the relay equipment according to any one of the aligned link upstream frame timing; the relay equipment confirms the timing lead between the upper frame timing and the down frame timing according to the upper frame timing and the down frame timing of the relay equipment, and confirms an upstream information transmitting timing lead which corresponds to a terminal serviced by the relay equipment according to the timing lead; and the relay equipment informs the upstream information transmitting timing lead to the corresponding terminal for indicating that the terminal can transmit the upstream information in advance according to the upstream information transmitting timing lead. In the invention, the timing accuracy of the relay equipment and the terminal is guaranteed, thereby guaranteeing the transmission quality, and saving the resources.
Description
Technical field
The present invention relates to communication technical field, the uplink information that relates in particular to a kind of terminal sends timing method, equipment and system.
Background technology
LTE (Long Term Evolution, Long Term Evolution) system is 3G (3rd Generation, 3-G (Generation Three mobile communication system)) evolution, LTE improves and has strengthened the aerial access technology of 3G, and employing OFDM (Orthogonal Frequency Division Multiplexing, OFDM) and MIMO (Multiple Input Multiple Output, multiple-input and multiple-output) as the standard of wireless network evolution.Wherein, LTE can provide the peak rate of descending 100Mbit/s and up 50Mbit/s under the 20MHz spectral bandwidth, improved the performance of Cell Edge User, has improved cell capacity, and has reduced system delay.Along with increasing rapidly of number of users of mobile terminal amount, terminal use's volume of business is exponential increase, in order to satisfy the terminal use's who continues to increase business demand, the business and the needed more peak value speed of application that need provide bigger bandwidth to satisfy the terminal use.Promptly in the mobile communication system in future, for example among the B3G (Beyond three Generation, back three generations) or among the LTE-A (LTE-Advanced, senior LTE), system will provide higher peak data rate and cell throughout, also need bigger bandwidth simultaneously.Unassigned bandwidth below the 2GHz seldom at present, the part or all of bandwidth that LTE-A system (is that example describes with the LTE-A system) needs can only be on higher frequency range, and in the application of reality, frequency range is high more, it is fast more that radio wave propagation is decayed, and transmission range is short more; Promptly under same overlay area, guarantee continuous covering, then need more base station.Because the base station has higher cost, when a lot of base station of needs, will increase the cost of creating network.In order to address the above problem, each manufacturer and standardization body are incorporated into relaying (relay) in the cellular system, thereby increase the zone that covers.
Concrete, in the LTE-A system, to introduce trunking, this trunking (for example, relay node in the band) feature that has includes but not limited to: trunking makes that by the control sub-district each sub-district all is independently sub-districts from terminal, each sub-district has the physical district ID of increase, and trunking can send information such as the synchronizing channel, reference symbol of oneself; And for the operation of single subdistrict, terminal will directly receive schedule information and HARQ (Hybrid Automatic Repeat Request from trunking, mix automatic repeat requests) feedback information, the ascending control information of the concurrent end of making arrangements for his funeral is given trunking, for example, the ascending control information of terminal comprises SR (Scheduling Request, dispatch request)/channel quality indicator (CQI) (Channel Quality Indicator, the channel quality indication)/ACK (ACKnowledge Character, acknowledge character) etc.
Further, the introducing of trunking makes the Radio Link based on the mobile communication system of Relay have three: be respectively the direct projection link (direct link) between base station and the terminal, back haul link between base station and the trunking (backhaul link), and the access link between trunking and the terminal (access link), when considering the interference-limited of wireless communication signals, above-mentioned three links need use the Radio Resource of quadrature; And because the transmitting-receiving process of trunking all is mode of operations of half-duplex time-division, be that back haul link and access link are at TDD (Time Division Duplexing, time division duplex) be to take different time slots in the frame structure, and direct link and back haul link are can be coexistent, as long as the running time-frequency resource quadrature.
In addition, as shown in Figure 1, be uplink/downlink frames timing relationship schematic diagram in the LTE system, the relation between this up-downgoing regularly is specially, and the uplink transmission frame of terminal need regularly constantly add a lead at the descending received frame of terminal regularly constantly.As can be seen from Figure 1, this lead is (N
TA+ N
TAoffset) * Ts, wherein, this N
TAAnd N
TAoffsetBe the parameter of Timing Advance, this N
TACause by propagation delay, and this N
TAoffsetBe to cause switching time, for FDD (Frequency Division Duplex, Frequency Division Duplexing (FDD)), N
TAoffset=0, and for half worker's FDD and TDD, N
TAoffset=614.
In realizing process of the present invention, the inventor finds to exist at least in the prior art following shortcoming:
Because the introducing of trunking and the uplink frame of trunking regularly and between the downlink frame timing exist timing to mention, therefore the Timing Advance by the terminal of trunking service has increased with respect to former timing lead, added value is the Timing Advance of trunking, and in the prior art terminal obtain uplink frame regularly and downlink frame regularly between during Timing Advance, the Timing Advance of this increase is not considered.
In addition, in order to increase the resource that trunking can use at back haul link or to make the trunking can up transmission detecting pilot frequency, the up backhaul subframe of trunking regularly and the timing of descending backhaul subframe delay respectively.Because the access link subframe is regularly regularly alignd with the back haul link subframe, so timing of the uplink frame of trunking and downlink frame are regularly delayed respectively, when the value of delaying of the two is inequality, then the Timing Advance of trunking needs to change, thereby the Timing Advance of terminal also needs to adjust, and when terminal obtains Timing Advance between the up-downgoing regularly in the prior art, do not consider the difference of this value of delaying yet.
Summary of the invention
The uplink information that the invention provides a kind of terminal sends timing method, equipment and system, with the saving resource, and the timing accuracy between assurance trunking and the terminal.
A kind of uplink information of terminal sends timing method, comprising:
Trunking is the sub-frame of uplink edge of access link and the sub-frame of uplink justified margin of back haul link, and the uplink frame of regularly obtaining self according to the arbitrary link uplink frame after the alignment regularly;
Described trunking according to described self uplink frame regularly and downlink frame regularly determine Timing Advance between the two, and determine that according to described Timing Advance the pairing uplink information of terminal of described trunking service sends Timing Advance;
Described trunking sends Timing Advance with described uplink information and is notified to corresponding terminal, is used to indicate described terminal to send Timing Advance according to described uplink information and sends uplink information in advance.
A kind of uplink information of terminal sends timing method, comprising:
Terminal receives the uplink information transmission Timing Advance that trunking sends; Described terminal provides the terminal of service for trunking;
Described terminal sends uplink information to described trunking in advance according to the transmission timing advance time numerical value that described uplink information sends the Timing Advance correspondence.
A kind of trunking comprises:
Acquisition module is used for the sub-frame of uplink edge of access link and the sub-frame of uplink justified margin of back haul link, and regularly obtains the uplink frame timing of self according to the arbitrary link uplink frame after the alignment;
Determination module, be used for obtaining according to described acquisition module self uplink frame regularly and downlink frame regularly determine Timing Advance between the two; And determine that according to described Timing Advance the pairing uplink information of terminal of described trunking service sends Timing Advance;
Sending module, the uplink information that is used for that described determination module is determined sends Timing Advance and is notified to corresponding terminal, is used to indicate described terminal to send Timing Advance according to described uplink information and sends uplink information in advance.
A kind of terminal comprises:
Receiver module is used to receive the uplink information transmission Timing Advance that trunking sends; Described terminal provides the terminal of service for trunking;
Sending module, the transmission timing advance time numerical value that the uplink information that is used for receiving according to described receiver module sends the Timing Advance correspondence sends uplink information to described trunking in advance.
A kind of uplink information of terminal sends timing system, comprises trunking and terminal, wherein,
Described trunking is used for the sub-frame of uplink edge of access link and the sub-frame of uplink justified margin of back haul link, and regularly obtains the uplink frame timing of self according to the arbitrary link uplink frame after the alignment; According to described self uplink frame regularly and downlink frame regularly determine Timing Advance between the two, and determine that according to described Timing Advance the pairing uplink information of terminal of described trunking service sends Timing Advance; And described uplink information is sent Timing Advance be notified to corresponding terminal, be used to indicate described terminal to send Timing Advance and send uplink information in advance according to described uplink information;
Described terminal is used to receive the uplink information transmission Timing Advance that trunking sends, and sends the transmission timing advance time numerical value of Timing Advance correspondence in advance to described trunking transmission uplink information according to described uplink information.
Compared with prior art, the present invention has the following advantages at least: notify because the uplink information that upgrades behind the introducing of trunking and the trunking frame fixed response time sends Timing Advance to terminal by trunking, make terminal send the Timing Advance timing advance and send uplink information according to new uplink information, guaranteed the timing accuracy of trunking and terminal, thereby guaranteed transmission quality and saved resource.
Description of drawings
In order to be illustrated more clearly in technical scheme of the present invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a uplink/downlink frames timing relationship schematic diagram in the LTE system in the prior art;
Fig. 2 is that the uplink information of a kind of terminal of providing of the embodiment of the invention one sends the timing method schematic flow sheet;
Fig. 3 is that the uplink information of a kind of terminal of providing of the embodiment of the invention two sends the timing method schematic flow sheet;
Fig. 4 is the descending backhaul frame timing situation of trunking in the embodiment of the invention;
Fig. 5 is the up backhaul frame timing situation of trunking in the embodiment of the invention;
Fig. 6 is that the uplink information of the terminal of the service of the trunking under the fdd mode in the embodiment of the invention sends timing relationship;
Fig. 7 is that the uplink information of the terminal of the service of the trunking under the tdd mode in the embodiment of the invention sends timing relationship;
Fig. 8 is a kind of trunking structural representation that the embodiment of the invention three provides;
Fig. 9 is a kind of terminal structure schematic diagram that the embodiment of the invention four provides.
Embodiment
Below in conjunction with the accompanying drawing among the present invention, the technical scheme among the present invention is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
In the embodiment of the invention, notify because the uplink information that upgrades behind the introducing of trunking and the trunking frame fixed response time sends Timing Advance to terminal by trunking, make terminal send the Timing Advance timing advance and send uplink information according to new uplink information, guaranteed the timing accuracy of trunking and terminal, thereby guaranteed transmission quality and saved resource.
The embodiment of the invention one provides a kind of uplink information of terminal to send timing method, as shown in Figure 2, may further comprise the steps:
In the embodiment of the invention, described uplink information sends Timing Advance and is: the uplink frame of described trunking regularly and the Timing Advance of downlink frame between regularly, and 2 times of (RTT2) sums of propagation delay between described trunking and the described terminal.Under the FDD pattern, the uplink frame of described trunking regularly and the Timing Advance of downlink frame between regularly be: described trunking and be 2 times of the propagation between the network equipment that service is provided self (RTT1), with the downlink frame of described trunking regularly and the difference Δ that is worth behind the additional fixed response time of uplink frame timing, sum; Under the TDD pattern, the uplink frame of described trunking regularly and the Timing Advance of downlink frame between regularly be: described trunking and be 2 times of the propagation between the network equipment that service is provided self (RTT1), T1 switching time that receives transmission with described network equipment, with the downlink frame of described trunking regularly and the difference Δ that is worth behind the additional fixed response time of uplink frame timing, sum.The downlink frame of described trunking regularly is RTT1/2+TA1 with respect to value behind the frame fixed response time of described network equipment; And under fdd mode, the uplink frame of described trunking is RTT1/2-TA2 with respect to the frame timing advance value of described network equipment regularly; Under tdd mode, the uplink frame of described trunking is RTT1/2-TA2+T1 with respect to the frame timing advance value of described network equipment regularly, the downlink frame of described trunking regularly with uplink frame additional fixed response time regularly after difference Δ=TA1-TA2 of being worth, wherein, TA1 is worth behind the downlink frame additional fixed response time regularly of trunking, and TA2 is worth behind the uplink frame additional fixed response time regularly of trunking.
Further, stating trunking sends Timing Advance with described uplink information and is notified to corresponding terminal and comprises: described trunking by transparent mode when described terminal sends uplink information and sends Timing Advance, described trunking sends two uplink informations to described terminal and sends the Timing Advance parameter, is respectively: N
TAAnd N
TAoffsetUnder fdd mode, described N
TAWith long-pending the equaling of time quantum T (RTT1+ Δ+RTT2), described N
TAoffset=0; Under tdd mode, described N
TAWith long-pending the equaling of time quantum T (RTT1+T1+ Δ+RTT2), described N
TAoffset=0.
Described trunking sends Timing Advance with described uplink information and is notified to corresponding terminal and comprises: described trunking by nontransparent mode when described terminal sends uplink information and sends Timing Advance, described trunking sends the Timing Advance parameter N except sending two uplink informations to described terminal
TAAnd N
TAoffsetOutside, also need to send other uplink informations and send the Timing Advance parameter to described terminal; Wherein, described N
TAWith time quantum T long-pending equal RTT2, described N
TAoffset=0.
Wherein, when the difference Δ that is worth behind the additional fixed response time is not equal to 0, other uplink informations transmission Timing Advance parameters that send to described terminal comprise: under fdd mode, send the Timing Advance parameter with the long-pending uplink information that equals (RTT1+ Δ) of time quantum T; Perhaps, with the long-pending uplink information that equals RTT1 of time quantum T send the Timing Advance parameter and, send the Timing Advance parameter with the long-pending uplink information that equals Δ of time quantum T; Under tdd mode, send the Timing Advance parameter with the long-pending uplink information that equals (RTT1+T1+ Δ) of time quantum T; Perhaps, with the long-pending uplink information that equals any two sums in RTT1, T1 and the Δ of time quantum T send the Timing Advance parameter and, send the Timing Advance parameter with the long-pending uplink information that equals one of residue in RTT1, T1 and the Δ of time quantum T; Perhaps, send the Timing Advance parameter with the long-pending uplink information that equals RTT1 of time quantum T, with send the Timing Advance parameter and send the Timing Advance parameter with the long-pending uplink information that equals T1 of time quantum T with the long-pending uplink information that equals Δ of time quantum T.
When the difference Δ that is worth behind the additional fixed response time equaled 0, other uplink informations transmission Timing Advance parameters that send to described terminal comprised: under fdd mode, send the Timing Advance parameter with the long-pending uplink information that equals RTT1 of time quantum T; Under tdd mode, send the Timing Advance parameter with the long-pending uplink information that equals (RTT1+T1) of time quantum T; Perhaps, send the Timing Advance parameter and send the Timing Advance parameter with the long-pending uplink information that equals RTT1 of time quantum T with the long-pending uplink information that equals T1 of time quantum T.
As mentioned above, the computing formula of described time quantum T comprises: T=m * Ts, wherein, m=1,2,3......, Ts are the minimum time unit that system can distinguish.
In the embodiment of the invention, described trunking is notified to corresponding terminal with described uplink information transmission Timing Advance and comprises: described trunking sends the Timing Advance parameter with described uplink information and sends to described terminal with binary form.
Described trunking is notified to corresponding terminal with described uplink information transmission Timing Advance and comprises: under fdd mode, described trunking sends to described terminal by accidental access response with described RTT2, and by broadcast channel described RTT1 and Δ is sent to described terminal; Under tdd mode, described trunking sends to described terminal by accidental access response with described RTT2, and by broadcast channel described RTT1, T1 and Δ is sent to described terminal.
What need further specify is after described trunking is notified to corresponding terminal with described uplink information transmission Timing Advance, also to comprise in the embodiment of the invention:
Terminal receives the uplink information transmission Timing Advance that trunking sends; Described terminal provides the terminal of service for trunking; And send uplink information to described trunking in advance according to the transmission timing advance time numerical value that described uplink information sends the Timing Advance correspondence.Wherein, the uplink information transmission Timing Advance of described terminal reception trunking transmission comprises: described terminal receives the uplink information transmission Timing Advance parameter that trunking sends; It is binary numeral that described uplink information sends the Timing Advance parameter;
In addition, the uplink information that described terminal receives the trunking transmission sends after the Timing Advance parameter, also comprise: described terminal is converted into decimal system numerical value with the binary numeral that the uplink information that receives sends the Timing Advance parameter, and described decimal system numerical value multiplied each other with time quantum T obtains corresponding transmission timing advance time numerical value; Wherein, the computing formula of described time quantum T comprises: T=m * Ts, wherein, m=1,2,3......, Ts are the minimum time unit that system can distinguish.
As seen, notify because the uplink information that upgrades behind the introducing of trunking and the trunking frame fixed response time sends Timing Advance to terminal by trunking, make terminal send the Timing Advance timing advance and send uplink information according to new uplink information, guaranteed the timing accuracy of trunking and terminal, thereby guaranteed transmission quality and saved resource.
The embodiment of the invention two provides a kind of uplink information of terminal to send timing method, and in the embodiment of the invention, this method can also can as shown in Figure 3, may further comprise the steps at tdd mode at fdd mode:
In this step, under the fdd mode, this trunking need obtain the value of RTT1, Δ, RTT2 respectively; Under the tdd mode, this trunking need obtain the value of RTT1, Δ, T1, RTT2 respectively.
This acquisition process comprises: (1) under fdd mode or tdd mode, trunking passes through to detect the downlink synchronous signal of network equipment and/or the downlink frame timing that public guide frequency obtains himself.Wherein, this network equipment includes but not limited to RNC (Radio Network Controller; radio network controller), NB (Node B; Node B), eNB, base station etc.; need to prove; this network equipment is not limited to the said equipment, and all are positioned at the equipment of network side all within protection range of the present invention.For convenience of description, this network equipment all is that example describes with the base station in the embodiment of the invention.Concrete, trunking sends random access leader sequence according to descending timing to the base station, and by the accidental access response from the base station, obtains up Timing Advance from the base station.Wherein, the up Timing Advance in this step is the part of total up Timing Advance; Under fdd mode, the up Timing Advance that gets access in this step equals 2 times of propagation delay between base station and the trunking, represents with RTT1; Under tdd mode, this step is obtained to arrive and is starved 2 times (RTT1) that up Timing Advance equals propagation delay between base station and the trunking, with T1 switching time that receives transmission of base station, sum.(2) base station obtain trunking descending backhaul subframe regularly and the difference Δ that is worth behind the additional fixed response time of up backhaul subframe between regularly, because the up-downgoing of access link is regularly alignd with the timing of back haul link, so the difference that is worth behind timing of the downlink frame of trunking and the uplink frame additional fixed response time regularly also is Δ; For trunking, in order to save the resource of descending backhaul subframe, trunking need be with TA1 behind the descending backhaul subframe fixed response time; Same, for the resource of saving up backhaul subframe and make trunking can send the detection reference symbol, trunking need be with TA2 behind the up backhaul subframe fixed response time.Concrete, there is the constant time lag situation in backhaul subframe in the LTE-A system, as shown in Figure 4, descending backhaul subframe timing situation for trunking, among Fig. 4, trunking is in descending backhaul subframe, the 1st orthogonal frequency division multiplex OFDM symbol and the 2nd OFDM symbol are used for sending downlink data to terminal, 13 OFDM symbols of the 4th OFDM symbol to the are used to receive the downlink data from the base station, promptly for descending backhaul subframe, need GP (protection at interval) to provide the time to be used for process of transmitting, or receive the switching of transmission (Rx-Tx) to the switching that receives (Tx-Rx); As can be seen, GP may need to take two OFDM symbols (i.e. the 3rd OFDM symbol and the 14th OFDM symbol) of the descending backhaul subframe of trunking, thereby has caused the wasting of resources.Concrete, as the employed GP of the switching of Tx-Rx, with, the employed GP of the switching of Rx-Tx, sum is during less than the length of an OFDM symbol, and by with TA1 behind the descending backhaul subframe fixed response time of trunking, then last OFDM symbol (the 14th OFDM) can be used for the back haul link downlink transfer, only need an OFDM symbol (the 3rd OFDM), thus the resource of having saved an OFDM symbol.Wherein, the value of this TA1 is not less than the employed GP of Rx-Tx, makes that last OFDM symbol can occupiedly again not switch GP as Rx-Tx behind the time-delay TA1.Further, as shown in Figure 5, up backhaul subframe timing situation for trunking, among Fig. 5, trunking is in up backhaul subframe, and 13 OFDM of the 2nd OFDM to the are used for sending upstream data to the base station, for up backhaul subframe, need GP that the switching that the time is used to send to reception (Tx-Rx) is provided, or receive the switching of transmission (Rx-Tx); As can be seen, GP may need to take two OFDM symbols (i.e. the 1st OFDM symbol and the 14th OFDM) of the up backhaul subframe of trunking, thus caused the wasting of resources and in the end on OFDM symbol trunking can't send the detection reference symbol R-SRS of trunking.Concrete, as the employed GP of the switching of Tx-Rx, with, the employed GP of the switching of Rx-Tx, sum is during less than the length of an OFDM symbol, by with TA2 behind the up backhaul subframe fixed response time of trunking, then last OFDM symbol (the 14th OFDM symbol) can be used for the back haul link uplink, promptly can be used for the transmission of R-SRS, at this moment, only need an OFDM symbol (the 1st OFDM symbol), thus the resource of also having saved an OFDM symbol.Wherein, the value of this TA2 is not less than the employed GP of Rx-Tx, makes that last OFDM symbol is not had the employed GP of Rx-Tx again behind the time-delay TA2.
(3) base station is by the value of RRC signaling or this TA1 of broadcast informed relay devices and TA2.Wherein, for the up Timing Advance of terminal (being positioned at the terminal under the trunking), need to increase Δ=TA1-TA2.As can be seen, after this step finishes, this trunking will be known the value of TA1 and TA2, and can calculate Δ=TA1-TA2.
(4) terminal is by the descending timing of the downlink synchronous signal and/or the public guide frequency acquisition access link of detection trunking.Terminal sends random access leader sequence according to descending timing to trunking, the random access leader sequence that the via node basis receives is determined the propagation delay time between trunking and the terminal, thereby determine the up Timing Advance RTT2 of access link, this RTT2 is 2 times of propagation delay between trunking and the terminal.
As shown in Figure 6, uplink information transmission timing relationship for the terminal under the fdd mode, in this timing relationship, consider the propagation delay time between base station and the trunking, with the timing difference of the descending timing of trunking with up timing, the up timing of trunking will shift to an earlier date the RTT1+ Δ with respect to descending timing, and wherein RTT1 is 2 times of propagation delay time between base station and the trunking, Δ be behind the descending fixed response time with up fixed response time after poor, on the occasion of.And therefore the timing of terminal will cause the up timing of terminal according to the timing of trunking alignment, and with respect to descending timing advance RTT1+ Δ+RTT2, this RTT2 is 2 times of propagation delay between trunking and the terminal.Wherein, RTT1, Δ value (being the TA1-TA2 value) and RTT2 value in above-mentioned steps, have been got access to; In this step, this trunking can in send in the timing advance order to terminal and to carry above-mentioned up Timing Advance information.
As shown in Figure 7, uplink information transmission timing for the terminal under the tdd mode, in this timing relationship, consider the propagation delay between base station and the trunking and the switching time of base station, and the timing difference of considering the descending timing of trunking and up timing, the up timing of trunking will shift to an earlier date the RTT1+T1+ Δ with respect to descending timing, wherein RTT1 is 2 times of propagation delay time between base station and the trunking, T1 is that the time that up-downgoing is switched is carried out in the base station, Δ be behind the descending fixed response time with up fixed response time after poor, on the occasion of.And therefore the timing of terminal causes the up timing of terminal according to the timing of trunking alignment, and with respect to descending timing advance RTT1+T1+ Δ+RTT2, this RTT2 is 2 times of propagation delay between trunking and the terminal.In the embodiment of the invention, because the sub-frame of uplink of trunking has enough GP that the time is provided when switching to descending sub frame, do not comprise the switching time of trunking in the promptly up Timing Advance, promptly up Timing Advance includes only RTT1+T1+ Δ+RTT2.Wherein, RTT1, T1 value, Δ value (being the TA1-TA2 value) and RTT2 value in above-mentioned steps, have been got access to; In this step, this trunking can in send in the timing advance order to terminal and to carry above-mentioned up Timing Advance information.
In the embodiment of the invention, for fdd mode, if trunking adopts transparent mode to send this up Timing Advance information to terminal, then trunking is respectively N to the parameter that the up Timing Advance information of terminal transmission is two Timing Advances
TAAnd N
TAoffset, during fdd mode, this N
TAWith long-pending the equaling of minimum time unit T (RTT1+ Δ+RTT2), N
TAoffset=0.
Further, if trunking adopts nontransparent mode to send this up Timing Advance information to terminal, then trunking is respectively N to the parameter that the up Timing Advance information of terminal transmission is two Timing Advances
TAAnd N
TAoffset, during fdd mode, this N
TAWith minimum time unit T long-pending equal RTT2, NTAoffset=0.At this moment, trunking also needs to comprise Δ value and RTT1 in the up Timing Advance information that terminal sends, this trunking can with Δ value and RTT1 and directly send to terminal, also Δ value and RTT1 can be sent to terminal respectively; Promptly under fdd mode, trunking also needs to terminal notice RTT1 and Δ; Wherein, this advice method can be for defining other Timing Advance parameter, this parameter and minimum time unit long-pending equal (RTT1+ Δ); In addition, if Δ is not equal to 0, can define two other Timing Advance parameters, the integration of these two parameters and minimum time unit T does not equal RTT1 and Δ yet.
Further, above-mentioned minimum time unit T=m*Ts, m=1,2,3..., Ts=1/ (15000*2048) second.
In addition, for tdd mode, if trunking adopts transparent mode to send this up Timing Advance information to terminal, then trunking is respectively N to the parameter that the up Timing Advance information of terminal transmission is two Timing Advances
TAAnd N
TAoffset, during the FTDD pattern, this N
TAWith long-pending the equaling of minimum time unit T (RTT1+T1+ Δ+RTT2), N
TAoffset=0.
Further, if trunking adopts nontransparent mode to send this up Timing Advance information to terminal, then trunking is respectively N to the parameter that the up Timing Advance information of terminal transmission is two Timing Advances
TAAnd N
TAoffset, during tdd mode, this N
TAWith minimum time unit T long-pending equal RTT2, NTAoffset=0.At this moment, trunking also needs to comprise Δ value, T1 value and RTT1 in the up Timing Advance information that terminal sends, this trunking can also can send to terminal respectively with Δ value, T1 value and RTT1 with Δ value, T1 value and RTT1's and directly send to terminal; Promptly under tdd mode, trunking also needs to terminal notice Δ value, T1 value and RTT1.Wherein, this advice method can be for defining other Timing Advance parameter, this parameter and minimum time unit long-pending equal (RTT1+T1 value+Δ); In addition, Δ=0 o'clock can define other Timing Advance parameter, and the long-pending T of this parameter and minimum time unit equals (RTT1+T1); Can define two other Timing Advance parameters, the integration of these two parameters and minimum time unit T does not equal RTT1 and T1 yet.Δ is not equal at 0 o'clock, can define other Timing Advance parameter, and the long-pending T of this parameter and minimum time unit equals (RTT1+T1+ Δ); Also can define two other Timing Advance parameters, one of them parameter and minimum time unit T long-pending equal among RTT1, R1 and the Δ any two and, another one parameter and minimum time unit T be to be amassed and equals a remaining amount among RTT1, R1 and the Δ; Can define three other Timing Advance parameters, the integration of these three parameters and minimum time unit T does not equal RTT1, R1 and Δ yet.
Further, above-mentioned minimum time unit T=m*Ts, m=1,2,3..., Ts=1/ (15000*2048) second.
Need to prove that trunking can only be notified Timing Advance RTT2 by the timing advance order in the accidental access response process in the embodiment of the invention, and other Timing Advances RTT1 and Δ can be notified to terminal by broadcast channel.
In the embodiment of the invention, trunking sends the Timing Advance parameter with uplink information and sends to terminal with binary form.At this moment, the uplink information transmission Timing Advance of terminal reception trunking transmission comprises: terminal receives the uplink information transmission Timing Advance parameter that trunking sends; It is binary numeral that uplink information sends the Timing Advance parameter; The uplink information that terminal receives the trunking transmission sends after the Timing Advance parameter, also comprise: terminal is converted into decimal system numerical value with the binary numeral that the uplink information that receives sends the Timing Advance parameter, and decimal system numerical value multiplied each other with time quantum T obtains corresponding transmission timing advance time numerical value.
As seen, the method that the application of the invention provides, notify because the uplink information that upgrades behind the introducing of trunking and the trunking frame fixed response time sends Timing Advance to terminal by trunking, make terminal send the Timing Advance timing advance and send uplink information according to new uplink information, guaranteed the timing accuracy of trunking and terminal, thereby guaranteed transmission quality and saved resource.
The embodiment of the invention four provides a kind of trunking, as shown in Figure 8, comprising:
Sending module 83 is used for that the uplink information that described determination module 82 is determined is sent Timing Advance and is notified to corresponding terminal, is used to indicate described terminal to send Timing Advance according to described uplink information and sends uplink information in advance.
In the embodiment of the invention, described uplink information sends Timing Advance and is: the uplink frame of described trunking regularly and the Timing Advance of downlink frame between regularly, and 2 times of (RTT2) sums of propagation delay between described trunking and the described terminal.Under the FDD pattern, the uplink frame of described trunking regularly and the Timing Advance of downlink frame between regularly be: described trunking and be 2 times of the propagation between the network equipment that service is provided self (RTT1), with the downlink frame of described trunking regularly and the difference Δ that is worth behind the additional fixed response time of uplink frame timing, sum; Under the TDD pattern, the uplink frame of described trunking regularly and the Timing Advance of downlink frame between regularly be: described trunking and be 2 times of the propagation between the network equipment that service is provided self (RTT1), T1 switching time that receives transmission with described network equipment, with the downlink frame of described trunking regularly and the difference Δ that is worth behind the additional fixed response time of uplink frame timing, sum.
The downlink frame of described trunking regularly is RTT1/2+TA1 with respect to value behind the frame fixed response time of described network equipment; And under fdd mode, the uplink frame of described trunking is RTT1/2-TA2 with respect to the frame timing advance value of described network equipment regularly; Under tdd mode, the uplink frame of described trunking is RTT1/2-TA2+T1 with respect to the frame timing advance value of described network equipment regularly, the downlink frame of described trunking regularly with uplink frame additional fixed response time regularly after difference Δ=TA1-TA2 of being worth, wherein, TA1 is worth behind the downlink frame additional fixed response time regularly of trunking, and TA2 is worth behind the uplink frame additional fixed response time regularly of trunking.
Further, described sending module 83 also is used for, described trunking by transparent mode when described terminal sends uplink information and sends Timing Advance, send two uplink informations to described terminal and send the Timing Advance parameters, be respectively: N
TAAnd N
TAoffsetUnder fdd mode, described N
TAWith long-pending the equaling of time quantum T (RTT1+ Δ+RTT2), described N
TAoffset=0; Under tdd mode, described N
TAWith long-pending the equaling of time quantum T (RTT1+T1+ Δ+RTT2), described N
TAoffset=0.
Described sending module 83 also is used for, described trunking by nontransparent mode when described terminal sends uplink information and sends Timing Advance, send the Timing Advance parameter N except sending two uplink informations to described terminal
TAAnd N
TAoffsetOutside, also need to send other uplink informations and send the Timing Advance parameter to described terminal; Wherein, described N
TAWith time quantum T long-pending equal RTT2, described N
TAoffset=0.
When the difference Δ that is worth behind the additional fixed response time was not equal to 0, other uplink informations transmission Timing Advance parameters that send to described terminal comprised: under fdd mode, send the Timing Advance parameter with the long-pending uplink information that equals (RTT1+ Δ) of time quantum T; Perhaps, with the long-pending uplink information that equals RTT1 of time quantum T send the Timing Advance parameter and, send the Timing Advance parameter with the long-pending uplink information that equals Δ of time quantum T; Under tdd mode, send the Timing Advance parameter with the long-pending uplink information that equals (RTT1+T1+ Δ) of time quantum T; Perhaps, with the long-pending uplink information that equals any two sums in RTT1, T1 and the Δ of time quantum T send the Timing Advance parameter and, send the Timing Advance parameter with the long-pending uplink information that equals one of residue in RTT1, T1 and the Δ of time quantum T; Perhaps, send the Timing Advance parameter with the long-pending uplink information that equals RTT1 of time quantum T, with send the Timing Advance parameter and send the Timing Advance parameter with the long-pending uplink information that equals T1 of time quantum T with the long-pending uplink information that equals Δ of time quantum T.
When the difference Δ that is worth behind the additional fixed response time equaled 0, other uplink informations transmission Timing Advance parameters that send to described terminal comprised: under fdd mode, send the Timing Advance parameter with the long-pending uplink information that equals RTT1 of time quantum T; Under tdd mode, send the Timing Advance parameter with the long-pending uplink information that equals (RTT1+T1) of time quantum T; Perhaps, send the Timing Advance parameter and send the Timing Advance parameter with the long-pending uplink information that equals RTT1 of time quantum T with the long-pending uplink information that equals T1 of time quantum T.
In the embodiment of the invention, the computing formula of described time quantum T comprises: T=m * Ts, wherein, m=1,2,3......, Ts are the minimum time unit that system can distinguish.
Described sending module 83 also is used for, and described uplink information is sent the Timing Advance parameter send to described terminal with binary form.Under fdd mode, described sending module 83 also is used for, and by accidental access response described RTT2 is sent to described terminal, and by broadcast channel described RTT1 and Δ is sent to described terminal; Under tdd mode, described sending module 83 also is used for, and by accidental access response described RTT2 is sent to described terminal, and by broadcast channel described RTT1, T1 and Δ is sent to described terminal.
A kind of terminal as shown in Figure 9, comprising:
Sending module 92 is used for sending the transmission timing advance time numerical value of Timing Advance correspondence in advance to described trunking transmission uplink information according to the uplink information that described receiver module 91 receives.
Wherein, each module of apparatus of the present invention can be integrated in one, and also can separate deployment.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
The embodiment of the invention also provides a kind of uplink information of terminal to send timing system, comprises trunking and terminal, wherein,
Described trunking, with the sub-frame of uplink edge of access link and the sub-frame of uplink justified margin of back haul link, and the uplink frame of regularly obtaining self according to the arbitrary link uplink frame after the alignment is regularly; According to described self uplink frame regularly and downlink frame regularly determine Timing Advance between the two, and determine that according to described Timing Advance the pairing uplink information of terminal of described trunking service sends Timing Advance; And described uplink information is sent Timing Advance be notified to corresponding terminal, be used to indicate described terminal to send Timing Advance and send uplink information in advance according to described uplink information.
Concrete, described uplink information sends Timing Advance and is: the uplink frame of described trunking regularly and the Timing Advance of downlink frame between regularly, and 2 times of (RTT2) sums of propagation delay between described trunking and the described terminal; Under the FDD pattern, the uplink frame of described trunking regularly and the Timing Advance of downlink frame between regularly be: described trunking and be 2 times of the propagation between the network equipment that service is provided self (RTT1), with the downlink frame of described relaying joint trunking point regularly and the difference Δ that is worth behind the additional fixed response time of uplink frame timing, sum; Under the TDD pattern, the uplink frame of described trunking regularly and the Timing Advance of downlink frame between regularly be: described trunking and be 2 times of the propagation between the network equipment that service is provided self (RTT1), T1 switching time that receives transmission with described network equipment, with the downlink frame of described trunking regularly and the difference Δ that is worth behind the additional fixed response time of uplink frame timing, sum; The downlink frame of described trunking regularly is RTT1/2+TA1 with respect to value behind the frame fixed response time of described network equipment; And under fdd mode, the uplink frame of described trunking is RTT1/2-TA2 with respect to the frame timing advance value of described network equipment regularly; Under tdd mode, the uplink frame of described trunking is RTT1/2-TA2+T1 with respect to the frame timing advance value of described network equipment regularly, the downlink frame of described trunking regularly with uplink frame additional fixed response time regularly after difference Δ=TA1-TA2 of being worth, wherein, TA1 is worth behind the downlink frame additional fixed response time regularly of trunking, and TA2 is worth behind the uplink frame additional fixed response time regularly of trunking.
Described terminal is used to receive the uplink information transmission Timing Advance that trunking sends, and sends the transmission timing advance time numerical value of Timing Advance correspondence in advance to described trunking transmission uplink information according to described uplink information.
As seen, by adopting equipment provided by the invention and system, notify because the uplink information that upgrades behind the introducing of trunking and the trunking frame fixed response time sends Timing Advance to terminal by trunking, make terminal send the Timing Advance timing advance and send uplink information according to new uplink information, guaranteed the timing accuracy of trunking and terminal, thereby guaranteed transmission quality and saved resource.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (28)
1. the uplink information of a terminal sends timing method, it is characterized in that, comprising:
Trunking is the sub-frame of uplink edge of access link and the sub-frame of uplink justified margin of back haul link, and the uplink frame of regularly obtaining self according to the arbitrary link uplink frame after the alignment regularly;
Described trunking according to described self uplink frame regularly and downlink frame regularly determine Timing Advance between the two, and determine that according to described Timing Advance the pairing uplink information of terminal of described trunking service sends Timing Advance;
Described trunking sends Timing Advance with described uplink information and is notified to corresponding terminal, is used to indicate described terminal to send Timing Advance according to described uplink information and sends uplink information in advance.
2. the method for claim 1 is characterized in that, described uplink information sends Timing Advance and is:
The uplink frame of described trunking regularly and the Timing Advance of downlink frame between regularly, and 2 times of (RTT2) sums of propagation delay between described trunking and the described terminal.
3. method as claimed in claim 2 is characterized in that,
Under the FDD pattern, the uplink frame of described trunking regularly and the Timing Advance of downlink frame between regularly be: described trunking and be 2 times (RTT1) of the propagation delay between the network equipment that service is provided self, with the downlink frame of described trunking regularly and the difference Δ that is worth behind the additional fixed response time of uplink frame timing, sum;
Under the TDD pattern, the uplink frame of described trunking regularly and the Timing Advance of downlink frame between regularly be: described trunking and be 2 times (RTT1) of the propagation delay between the network equipment that service is provided self, T1 switching time that receives transmission with described network equipment, with the downlink frame of described trunking regularly and the difference Δ that is worth behind the additional fixed response time of uplink frame timing, sum.
4. method as claimed in claim 3 is characterized in that,
The downlink frame of described trunking regularly is RTT1/2+TA1 with respect to value behind the frame fixed response time of described network equipment; And under fdd mode, the uplink frame of described trunking is RTT1/2-TA2 with respect to the frame timing advance value of described network equipment regularly; Under tdd mode, the uplink frame of described trunking is RTT1/2-TA2+T1 with respect to the frame timing advance value of described network equipment regularly,
The downlink frame of described trunking regularly with uplink frame additional fixed response time regularly after difference Δ=TA1-TA2 of being worth, wherein, TA1 is worth behind the downlink frame additional fixed response time regularly of trunking, TA2 is worth behind the uplink frame additional fixed response time regularly of trunking.
5. the method for claim 1 is characterized in that, described trunking is notified to corresponding terminal with described uplink information transmission Timing Advance and comprises:
Described trunking by transparent mode when described terminal sends uplink information and sends Timing Advance, described trunking sends two uplink informations to described terminal and sends the Timing Advance parameters, is respectively: N
TAAnd N
TAoffset
Under fdd mode, described N
TAWith long-pending the equaling of time quantum T (RTT1+ Δ+RTT2), described N
TAoffset=0;
Under tdd mode, described N
TAWith long-pending the equaling of time quantum T (RTT1+T1+ Δ+RTT2), described N
TAoffset=0.
6. method as claimed in claim 5 is characterized in that, described trunking is notified to corresponding terminal with described uplink information transmission Timing Advance and comprises:
Described trunking by nontransparent mode when described terminal sends uplink information and sends Timing Advance, described trunking sends the Timing Advance parameter N except sending two uplink informations to described terminal
TAAnd N
TAoffsetOutside, also need to send other uplink informations and send the Timing Advance parameter to described terminal;
Wherein, described N
TAWith time quantum T long-pending equal RTT2, described N
TAoffset=0.
7. method as claimed in claim 6 is characterized in that,
When the difference Δ that is worth behind the additional fixed response time was not equal to 0, other uplink informations transmission Timing Advance parameters that send to described terminal comprised:
Under fdd mode, send the Timing Advance parameter with the long-pending uplink information that equals (RTT1+ Δ) of time quantum T; Perhaps,
With the long-pending uplink information that equals RTT1 of time quantum T send the Timing Advance parameter and, send the Timing Advance parameter with the long-pending uplink information that equals Δ of time quantum T;
Under tdd mode, send the Timing Advance parameter with the long-pending uplink information that equals (RTT1+T1+ Δ) of time quantum T; Perhaps,
With the long-pending uplink information that equals any two sums in RTT1, T1 and the Δ of time quantum T send the Timing Advance parameter and, send the Timing Advance parameter with the long-pending uplink information that equals one of residue in RTT1, T1 and the Δ of time quantum T; Perhaps,
Send the Timing Advance parameter with the long-pending uplink information that equals RTT1 of time quantum T and send the Timing Advance parameter and send the Timing Advance parameter with the long-pending uplink information that equals Δ of time quantum T with the long-pending uplink information that equals T1 of time quantum T.
8. method as claimed in claim 6 is characterized in that,
When the difference Δ that is worth behind the additional fixed response time equaled 0, other uplink informations transmission Timing Advance parameters that send to described terminal comprised:
Under fdd mode, send the Timing Advance parameter with the long-pending uplink information that equals RTT1 of time quantum T;
Under tdd mode, send the Timing Advance parameter with the long-pending uplink information that equals (RTT1+T1) of time quantum T; Perhaps,
Send the Timing Advance parameter and send the Timing Advance parameter with the long-pending uplink information that equals RTT1 of time quantum T with the long-pending uplink information that equals T1 of time quantum T.
9. as each described method of claim 5-8, it is characterized in that,
The computing formula of described time quantum T comprises:
T=m * Ts, wherein, m=1,2,3......, Ts are the minimum time unit that system can distinguish.
10. as each described method of claim 5-8, it is characterized in that described trunking is notified to corresponding terminal with described uplink information transmission Timing Advance and comprises:
Described trunking sends the Timing Advance parameter with described uplink information and sends to described terminal with binary form.
11., it is characterized in that described trunking is notified to corresponding terminal with described uplink information transmission Timing Advance and comprises as each described method of claim 1-8:
Under fdd mode, described trunking sends to described terminal by accidental access response with described RTT2, and by broadcast channel described RTT1 and Δ is sent to described terminal;
Under tdd mode, described trunking sends to described terminal by accidental access response with described RTT2, and by broadcast channel described RTT1, T1 and Δ is sent to described terminal.
12. the uplink information of a terminal sends timing method, it is characterized in that, comprising:
Terminal receives the uplink information transmission Timing Advance that trunking sends; Described terminal provides the terminal of service for trunking;
Described terminal sends uplink information to described trunking in advance according to the transmission timing advance time numerical value that described uplink information sends the Timing Advance correspondence.
13. method as claimed in claim 12 is characterized in that, the uplink information transmission Timing Advance that described terminal receives the trunking transmission comprises:
Described terminal receives the uplink information transmission Timing Advance parameter that trunking sends; It is binary numeral that described uplink information sends the Timing Advance parameter;
The uplink information that described terminal receives the trunking transmission sends after the Timing Advance parameter, also comprises:
Described terminal is converted into decimal system numerical value with the binary numeral that the uplink information that receives sends the Timing Advance parameter, and described decimal system numerical value multiplied each other with time quantum T obtains corresponding transmission timing advance time numerical value;
Wherein, the computing formula of described time quantum T comprises:
T=m * Ts, wherein, m=1,2,3......, Ts are the minimum time unit that system can distinguish.
14. a trunking is characterized in that, comprising:
Acquisition module is used for the sub-frame of uplink edge of access link and the sub-frame of uplink justified margin of back haul link, and regularly obtains the uplink frame timing of self according to the arbitrary link uplink frame after the alignment;
Determination module, be used for obtaining according to described acquisition module self uplink frame regularly and downlink frame regularly determine Timing Advance between the two; And determine that according to described Timing Advance the pairing uplink information of terminal of described trunking service sends Timing Advance;
Sending module, the uplink information that is used for that described determination module is determined sends Timing Advance and is notified to corresponding terminal, is used to indicate described terminal to send Timing Advance according to described uplink information and sends uplink information in advance.
15. trunking as claimed in claim 14 is characterized in that, described uplink information sends Timing Advance and is:
The uplink frame of described trunking regularly and the Timing Advance of downlink frame between regularly, and 2 times of (RTT2) sums of propagation delay between described trunking and the described terminal.
16. trunking as claimed in claim 15 is characterized in that,
Under the FDD pattern, the uplink frame of described trunking regularly and the Timing Advance of downlink frame between regularly be: described trunking and be 2 times (RTT1) of the propagation delay between the network equipment that service is provided self, with the downlink frame of described trunking regularly and the difference Δ that is worth behind the additional fixed response time of uplink frame timing, sum;
Under the TDD pattern, the uplink frame of described trunking regularly and the Timing Advance of downlink frame between regularly be: described trunking and be 2 times (RTT1) of the propagation delay between the network equipment that service is provided self, T1 switching time that receives transmission with described network equipment, with the downlink frame of described trunking regularly and the difference Δ that is worth behind the additional fixed response time of uplink frame timing, sum.
17. trunking as claimed in claim 16 is characterized in that,
The downlink frame of described trunking regularly is RTT1/2+TA1 with respect to value behind the frame fixed response time of described network equipment; And under fdd mode, the uplink frame of described trunking is RTT1/2-TA2 with respect to the frame timing advance value of described network equipment regularly; Under tdd mode, the uplink frame of described trunking is RTT1/2-TA2+T1 with respect to the frame timing advance value of described network equipment regularly,
The downlink frame of described trunking regularly with uplink frame additional fixed response time regularly after difference Δ=TA1-TA2 of being worth, wherein, TA1 is worth behind the downlink frame additional fixed response time regularly of trunking, TA2 is worth behind the uplink frame additional fixed response time regularly of trunking.
18. trunking as claimed in claim 14 is characterized in that,
Described sending module also is used for, described trunking by transparent mode when described terminal sends uplink information and sends Timing Advance, send two uplink informations to described terminal and send the Timing Advance parameters, be respectively: N
TAAnd N
TAoffset
Under fdd mode, described N
TAWith long-pending the equaling of time quantum T (RTT1+ Δ+RTT2), described N
TAoffset=0;
Under tdd mode, described N
TAWith long-pending the equaling of time quantum T (RTT1+T1+ Δ+RTT2), described N
TAoffset=0.
19. trunking as claimed in claim 18 is characterized in that,
Described sending module also is used for, described trunking by nontransparent mode when described terminal sends uplink information and sends Timing Advance, send the Timing Advance parameter N except sending two uplink informations to described terminal
TAAnd N
TAoffsetOutside, also need to send other uplink informations and send the Timing Advance parameter to described terminal;
Wherein, described N
TAWith time quantum T long-pending equal RTT2, described N
TAoffset=0.
20. trunking as claimed in claim 19 is characterized in that,
When the difference Δ that is worth behind the additional fixed response time was not equal to 0, other uplink informations transmission Timing Advance parameters that send to described terminal comprised:
Under fdd mode, send the Timing Advance parameter with the long-pending uplink information that equals (RTT1+ Δ) of time quantum T; Perhaps,
With the long-pending uplink information that equals RTT1 of time quantum T send the Timing Advance parameter and, send the Timing Advance parameter with the long-pending uplink information that equals Δ of time quantum T;
Under tdd mode, send the Timing Advance parameter with the long-pending uplink information that equals (RTT1+T1+ Δ) of time quantum T; Perhaps,
With the long-pending uplink information that equals any two sums in RTT1, T1 and the Δ of time quantum T send the Timing Advance parameter and, send the Timing Advance parameter with the long-pending uplink information that equals one of residue in RTT1, T1 and the Δ of time quantum T; Perhaps,
Send the Timing Advance parameter with the long-pending uplink information that equals RTT1 of time quantum T and send the Timing Advance parameter and send the Timing Advance parameter with the long-pending uplink information that equals Δ of time quantum T with the long-pending uplink information that equals T1 of time quantum T.
21. trunking as claimed in claim 19 is characterized in that,
When the difference Δ that is worth behind the additional fixed response time equaled 0, other uplink informations transmission Timing Advance parameters that send to described terminal comprised:
Under fdd mode, send the Timing Advance parameter with the long-pending uplink information that equals RTT1 of time quantum T;
Under tdd mode, send the Timing Advance parameter with the long-pending uplink information that equals (RTT1+T1) of time quantum T; Perhaps,
Send the Timing Advance parameter and send the Timing Advance parameter with the long-pending uplink information that equals RTT1 of time quantum T with the long-pending uplink information that equals T1 of time quantum T.
22. as each described trunking of claim 18-21, it is characterized in that,
The computing formula of described time quantum T comprises:
T=m * Ts, wherein, m=1,2,3......, Ts are the minimum time unit that system can distinguish.
23. as each described trunking of claim 18-21, it is characterized in that,
Described sending module also is used for, and described uplink information is sent the Timing Advance parameter send to described terminal with binary form.
24. as each described trunking of claim 14-21, it is characterized in that,
Under fdd mode, described sending module also is used for, and by accidental access response described RTT2 is sent to described terminal, and by broadcast channel described RTT1 and Δ is sent to described terminal;
Under tdd mode, described sending module also is used for, and by accidental access response described RTT2 is sent to described terminal, and by broadcast channel described RTT1, T1 and Δ is sent to described terminal.
25. a terminal is characterized in that, comprising:
Receiver module is used to receive the uplink information transmission Timing Advance that trunking sends; Described terminal provides the terminal of service for trunking;
Sending module, the transmission timing advance time numerical value that the uplink information that is used for receiving according to described receiver module sends the Timing Advance correspondence sends uplink information to described trunking in advance.
26. terminal as claimed in claim 25 is characterized in that,
Described receiver module also is used for, and receives the uplink information transmission Timing Advance parameter that trunking sends; It is binary numeral that described uplink information sends the Timing Advance parameter;
Described terminal also comprises:
Processing module, be used for will receive the uplink information binary numeral that sends the Timing Advance parameter be converted into decimal system numerical value, and described decimal system numerical value multiplied each other with time quantum T obtain corresponding transmission timing advance time numerical value;
Wherein, the computing formula of described time quantum T comprises:
T=m * Ts, wherein, m=1,2,3......, Ts are the minimum time unit that system can distinguish.
27. the uplink information of a terminal sends timing system, it is characterized in that, comprises trunking and terminal, wherein,
Described trunking is used for the sub-frame of uplink edge of access link and the sub-frame of uplink justified margin of back haul link, and regularly obtains the uplink frame timing of self according to the arbitrary link uplink frame after the alignment; According to described self uplink frame regularly and downlink frame regularly determine Timing Advance between the two, and determine that according to described Timing Advance the pairing uplink information of terminal of described trunking service sends Timing Advance; And described uplink information is sent Timing Advance be notified to corresponding terminal, describedly be used to indicate described terminal to send Timing Advance to send uplink information in advance according to described uplink information;
Described terminal is used to receive the uplink information transmission Timing Advance that trunking sends, and sends the transmission timing advance time numerical value of Timing Advance correspondence in advance to described trunking transmission uplink information according to described uplink information.
28. system as claimed in claim 27 is characterized in that, described uplink information sends Timing Advance and is:
The uplink frame of described trunking regularly and the Timing Advance of downlink frame between regularly, and 2 times of (RTT2) sums of propagation delay between described trunking and the described terminal;
Under the FDD pattern, the uplink frame of described trunking regularly and the Timing Advance of downlink frame between regularly be: described trunking and be 2 times (RTT1) of the propagation delay between the network equipment that service is provided self, with the downlink frame of described trunking regularly and the difference Δ that is worth behind the additional fixed response time of uplink frame timing, sum;
Under the TDD pattern, the uplink frame of described trunking regularly and the Timing Advance of downlink frame between regularly be: described trunking and be 2 times (RTT1) of the propagation delay between the network equipment that service is provided self, T1 switching time that receives transmission with described network equipment, with the downlink frame of described trunking regularly and the difference Δ that is worth behind the additional fixed response time of uplink frame timing, sum;
The downlink frame of described trunking regularly is RTT1/2+TA1 with respect to value behind the frame fixed response time of described network equipment; And under fdd mode, the uplink frame of described trunking is RTT1/2-TA2 with respect to the frame timing advance value of described network equipment regularly; Under tdd mode, the uplink frame of described trunking is RTT1/2-TA2+T1 with respect to the frame timing advance value of described network equipment regularly,
The downlink frame of described trunking regularly with uplink frame additional fixed response time regularly after difference Δ=TA1-TA2 of being worth, wherein, TA1 is worth behind the downlink frame additional fixed response time regularly of trunking, TA2 is worth behind the uplink frame additional fixed response time regularly of trunking.
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| CN200910235220.1A CN102036364B (en) | 2009-09-28 | 2009-09-28 | Timing method, equipment and system of terminal for transmitting upstream information |
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| CN200910235220.1A CN102036364B (en) | 2009-09-28 | 2009-09-28 | Timing method, equipment and system of terminal for transmitting upstream information |
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