CN104125036A

CN104125036A - Information receive method, information transmitting method, equipment, and communication system

Info

Publication number: CN104125036A
Application number: CN201310144072.9A
Authority: CN
Inventors: 王飞; 姜大洁; 郑毅
Original assignee: China Mobile Communications Group Co Ltd
Current assignee: China Mobile Communications Group Co Ltd
Priority date: 2013-04-23
Filing date: 2013-04-23
Publication date: 2014-10-29
Anticipated expiration: 2033-04-23
Also published as: CN104125036B

Abstract

The invention discloses an information receive method, an information transmitting method, equipment, and a communication system. Therefore, a problem of UL subframe resource wasting caused by occupation of at least one single-carrier frequency division multiple access (SC-FDMA) symbol as conversion time during device-to-device (D2D) information receiving by UE at one of at least two adjacent UL subframes in D2D communication is solved. According to the scheme in the embodiment of the invention, conversion time that is less than one SC-FDMA symbol length but not less than 20 microseconds is opened up in a UL subframe for D2D information receiving. Compared with the current D2D communication process, because the conversion time of the UL subframe for D2D information receiving by the UE is reduced under the circumstances that the UE state conversion condition is met, real resources for D2D information receiving at the UL subframe can be effectively increased, thereby reducing the resource wasting.

Description

A kind of information reception, launching technique, equipment and communication system

Technical field

The present invention relates to the communications field, relate in particular to a kind of message receiving method, equipment and communication system.

Background technology

In current LTE TDD system; frame structure comprises the subframe (subframe) of three types: descending sub frame (DL subframe), sub-frame of uplink (UL subframe) and special subframe (Special subframe); wherein, Special subframe comprises ascending pilot channel time slot (UpPTS), translation and protection time slot (GP) and downlink pilot frequency channel time slot (DwPTS).

As shown in Figure 1, for frame structure in LTE TDD system 7 in uplink-downlink configuration schematic diagram.In 7 shown in Fig. 1, in uplink-downlink configuration, UL subframe can be divided into following 4 classes according to the subframe type of front and back:

The 1st class UL subframe: adjacent last subframe is Special subframe, an adjacent rear subframe is DL subframe, can be referred to as SUD class.

The 2nd class UL subframe: adjacent last subframe is Special subframe, an adjacent rear subframe is UL subframe, can be referred to as SUU class.

The 3rd class UL subframe: adjacent last subframe is UL subframe, an adjacent rear subframe is DL subframe, can be referred to as UUD class;

The 4th class UL subframe: adjacent last subframe is UL subframe, an adjacent rear subframe is UL subframe, can be referred to as UUU class.

Generally, terminal (UE) can UL subframe to base station (eNodeB) transmission information, and UE can not receive the signal from eNodeB at UL subframe, but, in the D2D communication technology of discussing in about LTE Release12 in current 3GPP, two UE can realize the transmission of information in UL subframe.

Described D2D(Device-to-Device, device-to-device) communication technology is the new technique directly communicating by multiplexing local resource between a kind of UE of permission, D2D technology can increase frequency spectrum efficiency of cellular communication system, reduce terminal transmit power, solve to a certain extent the problem of wireless communication system frequency spectrum resource scarcity.

In the D2D communication technology, a UE(is referred to as UE1) can be referred to as UE2 to another UE(at UL subframe) transmission information, corresponding, UE2 need receive the information from UE1 in UL subframe.

Carrying out D2D taking above-mentioned the 4th class UL subframe communicates by letter as example, as shown in Figure 2, three situations that UL subframe is adjacent in uplink-downlink configuration, are there are, suppose that UE1 sends D2D information to UE2 on UL subframe2, due to UE2 on UL subframe1 and UL subframe3 all in emission state, therefore, if UE2 will receive the D2D information from UE1 on UL subframe2, UE2 need to be converted to the accepting state UL subframe2 from the emission state of UL subframe1, afterwards, when UE2 finishes receiving after the D2D information of UE1 transmitting on UL subframe2, UE2 is converted to the emission state of UL subframe3 again from the accepting state of UL subframe2.

Situation for the 2nd class UL subframe and the 3rd class UL subframe is similar to the situation of the 4th class UL subframe, carry out D2D communication on the 2nd class UL subframe time, UE2 need to complete the once conversion from accepting state to emission state, carry out D2D communication on the 3rd class UL subframe time, UE2 need to complete the once conversion from emission state to accepting state.

When UE is converted to accepting state from emission state, or while being converted to emission state from accepting state, refractory period (transmitter transient period while there will be UE sending and receiving state to switch, TTP), in the time that UE is converted to accepting state from emission state, in UE, the power of transmitter can not be eliminated immediately, but exists one to decline gradually until the process of eliminating, in this process, UE is cisco unity malfunction; In like manner, in the time that UE is converted to emission state from accepting state, in UE, transmitter is increased to normal operating condition power also needs a process, and in this process, UE is also cisco unity malfunction.At present, the refractory period of UE is generally no more than 20us, and the conversion duration that UE is converted to accepting state from emission state is no more than 20us, and the conversion duration that UE is converted to emission state from accepting state is also no more than 20us.

In current LTE standard, the emission state that UE is transformed into UL subframe from the accepting state of DL subframe is that the length by reducing GP Special subframe compensates required change-over time, as being in the uplink-downlink configuration of eNodeB and UE2 in Fig. 2, the Configuration Values of GP is reduced to the refractory period that 20.2135us(is greater than UE); And the accepting state that UE is transformed into DL subframe from the emission state of UL subframe compensates by TA offset required change-over time, as being in the uplink-downlink configuration of eNodeB and UE2 in Fig. 2, the 20.2135us between UL subframe3 and DL subframe.

Be more than the mode that compensates refractory period while communicating by letter between UE and eNodeB, if UE2 will receive the D2D information from UE1 in the UL subframe2 shown in Fig. 2, can come in such a way for the refractory period configuration transitions time:

UE1 is at first single-carrier frequency division multiple access (Single-carrier Frequency-Division Multiple Access of UL subframe2, SC-FDMA) on symbol and last SC-FDMA symbol, do not launch D2D information to UE2, but launch D2D information to UE2 on middle N-2 SC-FDMA symbol, accordingly, UE2 is using first SC-FDMA symbol in UL subframe2 as the change-over time that is converted to accepting state from emission state, using last SC-FDMA symbol in UL subframe2 as the change-over time that is converted to emission state from accepting state, on middle N-2 SC-FDMA symbol, receive D2D information (described N is the SC-FDMA symbol quantity comprising in a UL subframe).

In current 3GPP standard, in the time using regular circulation prefix (CP), in a UL subframe, comprise 14 SC-FDMA symbols, each SC-FDMA symbol lengths is 2192Ts, wherein CP length is 144Ts, in the time using expansion CP, comprises 12 SC-FDMA symbols in a UL subframe, in each SC-FDMA symbol, CP duration is 512Ts, wherein Ts=1/30720ms.

Because the length of 1 UL subframe is 1ms, therefore, wherein the length of 1 SC-FDMA symbol is greater than 20us, is greater than required change-over time of UE, can meet the state conversion demand of UE.

If receive D2D information on the previous UL subframe of two UL subframe that UE2 will be adjacent in the 2nd class UL subframe, can be using last the SC-FDMA symbol of previous UL subframe in two adjacent UL subframe as change-over time; If UE2 will be in the 3rd class UL subframe is received D2D information on a rear UL subframe of adjacent two UL subframe, can be using first SC-FDMA symbol of a rear UL subframe in two adjacent UL subframe as change-over time.

In current D2D communication process, in the time there are at least two adjacent UL subframe the (the 2nd, 3, 4 class UL subframe), need to take in UL subframe a SC-FDMA symbol as change-over time (for the 2nd, 3 class UL subframe), or take in UL subframe two SC-FDMA symbols as change-over time (for the 4th class UL subframe), owing at least needing to take at least one SC-FDMA symbol in UL subframe, cause UE real for receiving a resource shrinkage of D2D information on UL subframe, there is the problem of the UL subframe wasting of resources.

Summary of the invention

The embodiment of the present invention provides a kind of information reception, launching technique, equipment and communication system, in order to solve the problem of the UL subframe wasting of resources existing in prior art.

A kind of message receiving method, described method comprises:

First terminal one section of last duration t1 in the previous sub-frame of uplink in adjacent two sub-frame of uplink is converted to the change-over time of emission state as first terminal from accepting state, described t1 is less than a SC-FDMA symbol lengths in sub-frame of uplink, and is not less than 20us;

First terminal receives the D2D information from the second terminal in described previous sub-frame of uplink on other time interval resources except t1.

A kind of information transmitting method, described method comprises:

The second terminal is determined one section of last duration t1 in the previous sub-frame of uplink in adjacent two sub-frame of uplink, and described t1 is less than a SC-FDMA symbol lengths in sub-frame of uplink, and is not less than 20us;

The second terminal is launched D2D information to first terminal on other time interval resources except t1 in described previous sub-frame of uplink.

A kind of message receiving method, described method comprises:

First terminal one section of initial duration t2 in the rear sub-frame of uplink in adjacent two sub-frame of uplink is converted to the change-over time of accepting state as first terminal from emission state, described t2 is less than a SC-FDMA symbol lengths in sub-frame of uplink, and is not less than 20us;

First terminal receives the D2D information from the second terminal in a described rear sub-frame of uplink on other time interval resources except t2.

A kind of information transmitting method, described method comprises:

The second terminal is determined one section of initial duration t2 in the rear sub-frame of uplink in adjacent two sub-frame of uplink, and described t2 is less than a SC-FDMA symbol lengths in sub-frame of uplink, and is not less than 20us;

The second terminal is launched D2D information to first terminal on other time interval resources except t2 in a described rear sub-frame of uplink.

A kind of message receiving method, described method comprises:

First terminal one section of last duration t1 in the middle sub-frame of uplink in adjacent continuous three sub-frame of uplink is converted to the change-over time of emission state as first terminal from accepting state, one section of initial duration t2 is converted to change-over time of accepting state as first terminal from emission state, described t1 and t2 are less than respectively a SC-FDMA symbol lengths in sub-frame of uplink, and are all not less than 20us;

First terminal receives the D2D information from the second terminal in the middle of described on other time interval resources except t1 and t2 in sub-frame of uplink.

A kind of information transmitting method, described method comprises:

The second terminal is determined last one section of duration t1 and one section of initial duration t2 in the middle sub-frame of uplink in adjacent continuous three sub-frame of uplink, and described t1 and t2 are less than respectively a SC-FDMA symbol lengths in sub-frame of uplink, and are all not less than 20us;

The second terminal is launched D2D information to first terminal on other time interval resources except t1 and t2 in sub-frame of uplink in the middle of described.

A kind of terminal, described terminal comprises:

Time determination module, be converted to the change-over time of emission state as first terminal from accepting state for one section of last duration t1 in the previous sub-frame of uplink of adjacent two sub-frame of uplink, described t1 is less than a SC-FDMA symbol lengths in sub-frame of uplink, and is not less than 20us;

Receiver module, for receiving the D2D information from other-end on other time interval resources except t1 at described previous sub-frame of uplink.

A kind of terminal, described terminal comprises:

Time determination module, for one section of last duration t1 in the previous sub-frame of uplink of definite adjacent two sub-frame of uplink, described t1 is less than a SC-FDMA symbol lengths in sub-frame of uplink, and is not less than 20us;

Transmitter module, for launching D2D information to other-end on other time interval resources except t1 at described previous sub-frame of uplink.

A kind of terminal, described terminal comprises:

Time determination module, be converted to the change-over time of accepting state as first terminal from emission state for one section of initial duration t2 in a rear sub-frame of uplink of adjacent two sub-frame of uplink, described t2 is less than a SC-FDMA symbol lengths in sub-frame of uplink, and is not less than 20us;

Receiver module, for receiving the D2D information from other-end on other time interval resources except t2 at a described rear sub-frame of uplink.

A kind of terminal, described terminal comprises:

Time determination module, for one section of initial duration t2 in a rear sub-frame of uplink of definite adjacent two sub-frame of uplink, described t2 is less than a SC-FDMA symbol lengths in sub-frame of uplink, and is not less than 20us;

Transmitter module, for launching D2D information to other-end on other time interval resources except t2 at a described rear sub-frame of uplink.

A kind of terminal, described terminal comprises:

Time determination module, be converted to the change-over time of emission state as first terminal from accepting state for one section of last duration t1 in the middle sub-frame of uplink of adjacent continuous three sub-frame of uplink, one section of initial duration t2 is converted to change-over time of accepting state as first terminal from emission state, described t1 and t2 are less than respectively a SC-FDMA symbol lengths in sub-frame of uplink, and are all not less than 20us;

Receiver module, for receiving the D2D information from the second terminal on sub-frame of uplink other time interval resources except t1 and t2 in the middle of described.

A kind of terminal, described terminal comprises:

Time determination module, for determining interior last one section of duration t1 and the one section of initial duration t2 of middle sub-frame of uplink of adjacent continuous three sub-frame of uplink, described t1 and t2 are less than respectively a SC-FDMA symbol lengths in sub-frame of uplink, and are all not less than 20us;

Transmitter module, for launching D2D information to first terminal on sub-frame of uplink other time interval resources except t1 and t2 in the middle of described.

A kind of communication system, described communication system comprises first terminal and the second terminal, wherein:

First terminal, be converted to the change-over time of emission state as first terminal from accepting state for one section of last duration t1 in the previous sub-frame of uplink of adjacent two sub-frame of uplink, and on other time interval resources except t1, receive from the D2D information of the second terminal in described previous sub-frame of uplink, wherein, described t1 is less than a SC-FDMA symbol lengths in sub-frame of uplink, and is not less than 20us;

The second terminal for one section of last duration t1 in the previous sub-frame of uplink of definite adjacent two sub-frame of uplink, and is launched D2D information to first terminal on other time interval resources except t1 in described previous sub-frame of uplink.

First terminal, be converted to the change-over time of accepting state as first terminal from emission state for one section of initial duration t2 in a rear sub-frame of uplink of adjacent two sub-frame of uplink, and on other time interval resources except t2, receive from the D2D information of the second terminal in a described rear sub-frame of uplink, described t2 is less than a SC-FDMA symbol lengths in sub-frame of uplink, and is not less than 20us;

The second terminal for one section of initial duration t2 in a rear sub-frame of uplink of definite adjacent two sub-frame of uplink, and is launched D2D information to first terminal on other time interval resources except t2 in a described rear sub-frame of uplink.

First terminal, be converted to the change-over time of emission state as first terminal from accepting state for one section of last duration t1 in the middle sub-frame of uplink of adjacent continuous three sub-frame of uplink, one section of initial duration t2 is converted to change-over time of accepting state as first terminal from emission state, and on other time interval resources except t1 and t2, receive the D2D information from the second terminal in described middle sub-frame of uplink, described t1 and t2 are less than respectively a SC-FDMA symbol lengths in sub-frame of uplink, and are all not less than 20us;

The second terminal, for determining interior last one section of duration t1 and the one section of initial duration t2 of middle sub-frame of uplink of adjacent continuous three sub-frame of uplink, and in sub-frame of uplink, on other time interval resources except t1 and t2, launch D2D information to first terminal in the middle of described.

The application's beneficial effect is as follows:

The embodiment of the present invention is opened up the change-over time that is less than a SC-FDMA symbol lengths but be not less than 20us in the UL subframe that receives D2D information, than current D2D communication process, owing to having reduced UE for receiving change-over time of UL subframe of D2D information meeting UE state conversion in the situation that, can effectively increase on UL subframe really for receiving the resource of D2D information, reduce the wasting of resources.

Brief description of the drawings

Fig. 1 is uplink-downlink configuration schematic diagram in 7 of frame structure in LTE TDD system in background technology;

Fig. 2 is the time interval resource configuration information schematic diagram that has occurred eNodeB, UE1 and UE2 in situation that three UL subframe are adjacent in background technology in uplink-downlink configuration;

Fig. 3 is the method step schematic diagram in the embodiment of the present invention one;

Fig. 4 be in the embodiment of the present invention one eNodeB, UE1 and UE2 to time interval resource configuration information schematic diagram;

Fig. 5 is the method step schematic diagram in the embodiment of the present invention two;

Fig. 6 be in the embodiment of the present invention two eNodeB, UE1 and UE2 to time interval resource configuration information schematic diagram;

Fig. 7 is the method step schematic diagram in the embodiment of the present invention three;

Fig. 8 be in the embodiment of the present invention three eNodeB, UE1 and UE2 to time interval resource configuration information schematic diagram;

Fig. 9 be in the embodiment of the present invention three eNodeB, UE1 and UE2 to time interval resource configuration information schematic diagram.

Embodiment

In order to solve in the time that D2D communicates by letter, while receiving D2D information on the UL subframe of UE at least two adjacent UL subframe, take at least one SC-FDMA symbol causes UL subframe wasting of resources problem as change-over time, the embodiment of the present invention proposes to open up the change-over time that is less than a SC-FDMA symbol lengths but be not less than 20us in the UL subframe that receives D2D information, than current D2D communication process, owing to having reduced UE for receiving change-over time of UL subframe of D2D information meeting UE state conversion in the situation that, can effectively increase on UL subframe real for receiving the resource of D2D information, reduce the wasting of resources.

Describe the present invention below in conjunction with specific embodiment.

Embodiment mono-:

Suppose in the scheme of embodiment mono-, UE2 receives the D2D information from UE1 at the 2nd class UL subframe described in Fig. 1, be that UE2 receives D2D information on the previous UL subframe of adjacent two UL subframe, the concrete scheme of the present embodiment one as shown in Figure 3, comprises the following steps:

Step 101:UE2 determines final stage duration t1 in the previous UL subframe in adjacent two UL subframe, and described t1 is less than a SC-FDMA symbol lengths in UL subframe, and is not less than 20us.

Step 102:UE2 is using described t1 as the change-over time that is converted to emission state from accepting state.

Owing to receiving the D2D information from UE1 on the previous UL subframe of UE2 in the 2nd class UL subframe described in Fig. 1, therefore, UE2 receives after D2D information on described previous UL subframe, and after entering before a UL subframe, need to be converted to emission state from accepting state, therefore, last part in the UL subframe that receives D2D information is opened up t1, as the conversion of state information, because the length of t1 is not less than 20us, therefore can meet the state conversion demand of UE2; Meanwhile, because the length of t1 is less than a SC-FDMA symbol lengths, than the transfer process shown in current Fig. 2, can obviously reduce shared UL subframe resource change-over time.

Step 103:UE2 receives the D2D signal from UE1 in described previous UL subframe on other time interval resources except t1.

Step 104:UE2, after D2D signal receives, is converted to emission state by accepting state in the t1 of described previous UL subframe.

Corresponding with above-mentioned UE2 reception D2D information process, in the present embodiment one, also comprise the method for UE1 transmitting D2D information, suppose to launch D2D information on the previous UL subframe of UE1 adjacent two UL subframe in the 2nd class UL subframe, still with as shown in Figure 3, comprise the following steps:

Step 201:UE1 determines final stage duration t1 in the previous UL subframe in adjacent two UL subframe, and described t1 is less than a SC-FDMA symbol lengths in UL subframe, and is not less than 20us.

The definite t1 of the UE1 t1 definite with UE2 is identical.

Step 202:UE1 launches D2D signal to UE2 on other time interval resources except t1 in described previous UL subframe.

In this step 202, UE1 to UE2 transmitting D2D information, when entering after the final stage duration t1 of UL subframe, stops launching D2D information, so that UE2 can carry out state conversion in t1 on described previous UL subframe.

Below by a concrete example, the method for embodiment mono-is described.

Example 1,

As shown in Figure 4, use conventional CP as example taking the 2nd class UL subframe and UL subframe, eNodeB, UE1 and UE2 are to time interval resource configuration information schematic diagram, as can be seen from Figure 4:

UE2, as the recipient of D2D information, opens up final stage duration t1=1120*Ts=36.7583us on UL subframe1.Other time interval resources in UL subframe1 except t1 are divided into 13 SC-FDMA symbols, the length taking due to t1 is less than the SC-FDMA symbol of a standard, therefore, 13 SC-FDMA symbol lengths after division are greater than the SC-FDMA symbol of standard, in order to match with existing standard in D2D transmission, can be the resource of beared information in standard SC-FDMA symbol using the 2048*Ts=66.67us(in the each SC-FDMA symbol lengths after division) as the resource of carrying D2D information, the length (being greater than the length 144*Ts=4.6875us of CP in standard SC-FDMA) of remaining resource CP in this SC-FDMA in each SC-FDMA symbol after dividing.

With Fig. 4 situation similarly, if UL subframe uses expansion CP, other time interval resources in UL subframe1 except t1 are divided into 11 SC-FDMA symbols, each SC-FDMA symbol lengths after division is greater than the SC-FDMA symbol lengths of standard, by identical with standard SC-FDMA symbol the resource setting of beared information in the each SC-FDMA symbol lengths after dividing, the length (being greater than the length 512*Ts of CP in standard SC-FDMA) of CP in the SC-FDMA symbol after surplus resources is divided as the conduct after dividing.

With UE2 similarly, UE1, as the launch party of D2D information, also opens up final stage duration t1=1120*Ts=36.7583us on UL subframe1.The dividing mode of other time interval resources in UL subframe1 except t1 and UE2's is similar.

Embodiment bis-:

Suppose in the scheme of embodiment bis-, UE2 receives the D2D information from UE1 at the 3rd class UL subframe described in Fig. 1, be that UE2 receives D2D information on a rear UL subframe of adjacent two UL subframe, the concrete scheme of the present embodiment two as shown in Figure 5, comprises the following steps:

Step 301:UE2 determines initial one section of duration t2 in the rear UL subframe in adjacent two UL subframe, and described t2 is less than a SC-FDMA symbol lengths in UL subframe, and is not less than 20us.

Step 302:UE2 is using described t2 as the change-over time that is converted to accepting state from emission state.

Owing to receiving the D2D information from UE1 on the rear UL subframe of UE2 in the 3rd class UL subframe described in Fig. 1, therefore, UE2 carries out after firing operation on previous UL subframe, need, before receiving D2D information by a rear UL subframe, be converted to accepting state from emission state.Therefore, the start-up portion in the UL subframe that receives D2D information is opened up t2, as the conversion of state information, because the length of t2 is not less than 20us, therefore can meet the state conversion demand of UE2; Meanwhile, because the length of t2 is less than a SC-FDMA symbol lengths, than the transfer process shown in current Fig. 2, can obviously reduce shared UL subframe resource change-over time.

Step 303:UE2 after transmitting information, is converted to accepting state by emission state on previous UL subframe in the t2 of a rear UL subframe.

Step 304:UE2 receives the D2D signal from UE1 in a described rear UL subframe on other time interval resources except t2.

Corresponding with above-mentioned UE2 reception D2D information process, in the present embodiment two, also comprise the method for UE1 transmitting D2D information, suppose that UE1 also launches D2D information on a rear UL subframe of adjacent two UL subframe in the 3rd class UL subframe, still with as shown in Figure 5, comprise the following steps:

Step 401:UE1 determines initial one section of duration t2 in the rear UL subframe in adjacent two UL subframe, and described t2 is less than a SC-FDMA symbol lengths in UL subframe, and is not less than 20us.

The definite t2 of the UE1 t2 definite with UE2 is identical.

Step 402:UE1 launches D2D signal to UE2 on other time interval resources except t2 in a described rear UL subframe.

In this step 402, UE1 not to UE2 transmitting D2D information, after t2 finishes, launches D2D information to UE2, so that UE2 can carry out state conversion in t2 in the time entering a described rear UL subframe.

Below by a concrete example, the method for embodiment bis-is described.

Example 2,

As shown in Figure 6, use conventional CP as example taking the 3rd class UL subframe and UL subframe, eNodeB, UE1 and UE2 are to time interval resource configuration information schematic diagram, as can be seen from Figure 6:

UE2 is as the recipient of D2D information, at initial one section of duration t2=1104*Ts=35.9375us of UL subframe2.Other time interval resources in UL subframe2 except t2 are divided into 13 SC-FDMA symbols, the length taking due to t2 is less than the SC-FDMA symbol of a standard, therefore, 13 SC-FDMA symbol lengths after division are greater than the SC-FDMA symbol of standard, in order to match with existing standard in D2D transmission, can be the resource of beared information in standard SC-FDMA symbol using the 2048*Ts=66.67us(in the each SC-FDMA symbol lengths after division) as the resource of carrying D2D information, the length (being greater than the length 144*Ts=4.6875us of CP in standard SC-FDMA) of remaining resource CP in this SC-FDMA in each SC-FDMA symbol after dividing.

With Fig. 6 situation similarly, if UL subframe uses expansion CP, other time interval resources in UL subframe2 except t2 are divided into 11 SC-FDMA symbols, each SC-FDMA symbol lengths after division is greater than the SC-FDMA symbol lengths of standard, by identical with standard SC-FDMA symbol the resource setting of beared information in the each SC-FDMA symbol lengths after dividing, the length (being greater than the length 512*Ts of CP in standard SC-FDMA) of CP in the SC-FDMA symbol after surplus resources is divided as the conduct after dividing.

With UE2 similarly, UE1, as the launch party of D2D information, also opens up initial one section of duration t2=1104*Ts=35.9375us on UL subframe2.The dividing mode of other time interval resources in UL subframe2 except t2 and UE2's is similar.

Embodiment tri-:

Suppose in the scheme of embodiment tri-, UE2 receives the D2D information from UE1 on the 4th class UL subframe described in Fig. 1, be that UE2 receives D2D information on the middle UL subframe of three UL subframe of adjacent continuous, the concrete scheme of the present embodiment three as shown in Figure 7, comprises the following steps:

Step 501:UE2 determines last one section of duration t1 and one section of initial duration t2 in the middle UL subframe in adjacent continuous three UL subframe, described t1 and t2 are less than respectively a SC-FDMA symbol lengths in UL subframe, and are all not less than 20us.

Step 502:UE2 is using described t1 as the change-over time that is converted to emission state from accepting state, using described t2 as the change-over time that is converted to accepting state from emission state.

Owing to receiving the D2D information from UE1 on the middle UL subframe of UE2 in the 4th class UL subframe described in Fig. 1, therefore, UE2 carries out after firing operation on previous UL subframe, need, before receiving D2D information by middle UL subframe, be converted to accepting state from emission state.Therefore, the start-up portion in the UL subframe that receives D2D information is opened up t2, as the conversion of state information.In addition, UE2 receives after D2D information on UL subframe in the middle of described, and after entering before a UL subframe, need to be converted to emission state from accepting state, therefore, the last part in the UL subframe that receives D2D information is opened up t1, as the conversion of state information.

Because the length of t1 and t2 is all not less than 20us, therefore can meet the state conversion demand of UE2; Meanwhile, because the length of t1 and t2 is all less than a SC-FDMA symbol lengths, than the transfer process shown in current Fig. 2, can obviously reduce shared UL subframe resource change-over time.

Step 503:UE2 after transmitting information, is converted to accepting state by emission state on previous UL subframe in the t2 of middle UL subframe.

Step 504:UE2 receives the D2D signal from UE1 in the middle of described on other time interval resources except t1 and t2 in UL subframe.

Step 505:UE2, after D2D signal receives, is converted to emission state by accepting state in the t1 of UL subframe, and enters a rear UL subframe in the middle of described.

Corresponding with above-mentioned UE2 reception D2D information process, in the present embodiment three, also comprise the method for UE1 transmitting D2D information, suppose that UE1 also launches D2D information on the middle UL subframe of adjacent continuous three UL subframe in the 4th class UL subframe, still with as shown in Figure 7, comprise the following steps:

Step 601:UE1 determines last one section of duration t1 and one section of initial duration t2 in the middle UL subframe in adjacent continuous three UL subframe, described t1 and t2 are less than respectively a SC-FDMA symbol lengths in UL subframe, and are all not less than 20us.

The definite t1 of the UE1 t1 definite with UE2 with t2 is identical with t2.

Step 602:UE1 launches D2D signal to UE2 on other time interval resources except t1 and t2 in UL subframe in the middle of described.

In this step 602, UE1 not to UE2 transmitting D2D information, to UE2 transmitting D2D information, finishes to launch D2D information to UE2 when entering after t1 when t2 finishes by the time in the time entering described middle UL subframe.So that UE2 carries out respectively state conversion in t1 and t2.

By three concrete examples, the method for embodiment tri-is described respectively below.

Example 3,

As shown in Figure 8, use conventional CP, t1 and t2 sum to equal a SC-FDMA symbol lengths as example taking the 4th class UL subframe, UL subframe, eNodeB, UE1 and UE2 are to time interval resource configuration information schematic diagram, as can be seen from Figure 8:

UE2 is as the recipient of D2D information, at the final stage duration t1=1120*Ts=36.4583us of UL subframe2, initial one section of duration t2=1104*Ts=35.9375us, now, can be considered that t1 and t2 sum equal a SC-FDMA symbol lengths, in UL subframe2, except t1 and other time interval resources t2, to divide 13 SC-FDMA symbol lengths that obtain consistent with standard SC-FDMA symbol lengths, each SC-FDMA symbol duration is 2192*Ts, wherein CP duration is 144*Ts=4.6875us, is 2048*Ts=66.67us for the resource of beared information.

With Fig. 8 situation similarly, if UL subframe use expansion CP, other time interval resources in UL subframe2 except t1 and t2 are divided into 11 SC-FDMA symbols, the each SC-FDMA symbol lengths after division is consistent with the SC-FDMA symbol lengths of standard.

With UE2 similarly, UE1, as the launch party of D2D information, also opens up final stage duration t1=1120*Ts=36.4583us on UL subframe2, initial one section of duration t2=1104*Ts=35.9375us.The dividing mode of other time interval resources in UL subframe2 except t1 and t2 and UE2's is similar.

Example 4,

As shown in Figure 9, use conventional CP, T1 and t2 sum to be less than a SC-FDMA symbol lengths as example taking the 4th class UL subframe, UL subframe, eNodeB, UE1 and UE2 are to time interval resource configuration information schematic diagram, as can be seen from Figure 9:

UE2 is as the recipient of D2D information, at the final stage duration t1=704*Ts=22.9167us of UL subframe2, initial one section of duration t2=688*Ts=22.3958us, now, t1 and t2 sum are less than a SC-FDMA symbol lengths, other time interval resources in UL subframe2 except t1 and t2 are divided 13 SC-FDMA symbol lengths that obtain and are greater than standard SC-FDMA symbol lengths, by identical with standard SC-FDMA symbol the resource setting of beared information in the each SC-FDMA symbol lengths after dividing, the length (being greater than the length 144*Ts of CP in standard SC-FDMA) of CP in SC-FDMA symbol after surplus resources is divided as the conduct after dividing.

With Fig. 9 situation similarly, if UL subframe use expansion CP, other time interval resources in UL subframe2 except t1 and t2 are divided into 11 SC-FDMA symbols, the each SC-FDMA symbol lengths after division is greater than the SC-FDMA symbol lengths of standard.By identical with standard SC-FDMA symbol the resource setting of beared information in the each SC-FDMA symbol lengths after dividing, surplus resources is as the length (being greater than the length 512*Ts of CP in standard SC-FDMA) of CP in the SC-FDMA symbol after dividing.

With UE2 similarly, UE1, as the launch party of D2D information, also opens up final stage duration t1=704*Ts=22.9167us on UL subframe2, initial one section of duration t2=688*Ts=22.3958us.The dividing mode of other time interval resources in UL subframe2 except t1 and t2 and UE2's is similar.

Example 5,

Use conventional CP, T1 and t2 sum to be greater than a SC-FDMA symbol lengths and be less than two SC-FDMA symbol lengths taking the 4th class UL subframe, UL subframe and describe as example:

UE2 is as the recipient of D2D information, open up after change-over time at the final stage duration t1 of UL subframe2, initial one section of duration t2, other time interval resources except t1 and t2 in UL subframe2 are divided to 13 SC-FDMA symbol lengths that obtain and be less than standard SC-FDMA symbol lengths, by identical with standard SC-FDMA symbol the resource setting of beared information in the each SC-FDMA symbol lengths after dividing, the length (being less than the length 144*Ts of CP in standard SC-FDMA) of CP in the SC-FDMA symbol after surplus resources is divided as the conduct after dividing.

If UL subframe uses expansion CP, other time interval resources in UL subframe2 except t1 and t2 are divided into 11 SC-FDMA symbols, and the each SC-FDMA symbol lengths after division is less than the SC-FDMA symbol lengths of standard.By identical with standard SC-FDMA symbol the resource setting of beared information in the each SC-FDMA symbol lengths after dividing, surplus resources is as the length (being less than the length 512*Ts of CP in standard SC-FDMA) of CP in the SC-FDMA symbol after dividing.

With UE2 similarly, UE1, as the launch party of D2D information, also opens up t1 and t2 on UL subframe2.The dividing mode of other time interval resources in UL subframe2 except t1 and t2 and UE2's is similar.

The description to the present invention program by above embodiment and instantiation, not only reduce for transmitting the duration of changing for state on the UL subframe of D2D information, the available resources in UL subframe are increased, simultaneously, in some resource distribution situation, the CP length going out due to actual division is greater than the length of CP in standard SC-FDMA symbol, can effectively strengthen the ability of the anti-multipath interference of UE1 and UE2, and in other resource distribution situations, the SC-FDMA symbol lengths that actual division goes out is identical with current standard, can adaptive current standard.

Embodiment tetra-:

The embodiment of the present invention four has been described a kind of and the scheme embodiment of the present invention one and has been belonged to the terminal under same inventive concept, comprises time determination module and receiver module, wherein:

Time determination module is converted to the change-over time of emission state as first terminal from accepting state for one section of last duration t1 in the previous sub-frame of uplink of adjacent two sub-frame of uplink, described t1 is less than a SC-FDMA symbol lengths in sub-frame of uplink, and is not less than 20us; Receiver module is for receiving the D2D information from other-end on other time interval resources except t1 at described previous sub-frame of uplink.

Further, described terminal also comprises configuration module, for determining the configuration information of described other time interval resources, described configuration information is: in the time that sub-frame of uplink uses regular circulation prefix, in described other time interval resources, comprise 13 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is greater than 144*Ts, in the time that sub-frame of uplink uses extended cyclic prefix, in described other time interval resources, comprise 11 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is greater than 512*Ts; Receiver module is specifically for utilizing definite configuration information to receive the D2D information from other-end.

Be more than the module that terminal is moved under D2D information accepting state, exist because terminal also can be used as D2D information transmitting side, therefore, the terminal in the present embodiment is also not limited to comprise with lower module:

A kind of terminal, described terminal comprises time determination module and transmitter module, wherein: time determination module is for determining the interior one section of last duration t1 of previous sub-frame of uplink of adjacent two sub-frame of uplink, and described t1 is less than a SC-FDMA symbol lengths in sub-frame of uplink, and is not less than 20us; Transmitter module is for launching D2D information to other-end at described previous sub-frame of uplink on other time interval resources except t1.

More preferably, described terminal also comprises configuration module, for determining the configuration information of described other time interval resources, described configuration information is: in the time that sub-frame of uplink uses regular circulation prefix, in described other time interval resources, comprise 13 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is greater than 144*Ts, in the time that sub-frame of uplink uses extended cyclic prefix, in described other time interval resources, comprise 11 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is greater than 512*Ts; Transmitter module is specifically for utilizing definite configuration information to other-end transmitting D2D information.

Embodiment five:

The embodiment of the present invention five has been described a kind of and the scheme embodiment of the present invention two and has been belonged to the terminal under same inventive concept, comprises time determination module and receiver module, wherein:

Time determination module is converted to the change-over time of accepting state as first terminal from emission state for one section of initial duration t2 in a rear sub-frame of uplink of adjacent two sub-frame of uplink, described t2 is less than a SC-FDMA symbol lengths in sub-frame of uplink, and is not less than 20us; Receiver module is for receiving the D2D information from other-end on other time interval resources except t2 at a described rear sub-frame of uplink.

More preferably, described terminal also comprises configuration module, for determining the configuration information of described other time interval resources, described configuration information is: in the time that sub-frame of uplink uses regular circulation prefix, in described other time interval resources, comprise 13 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is greater than 144*Ts, in the time that sub-frame of uplink uses extended cyclic prefix, in described other time interval resources, comprise 11 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is greater than 512*Ts; Receiver module is specifically for utilizing definite configuration information to receive the D2D information from other-end.

Time determination module, for one section of initial duration t2 in a rear sub-frame of uplink of definite adjacent two sub-frame of uplink, described t2 is less than a SC-FDMA symbol lengths in sub-frame of uplink, and is not less than 20us; Transmitter module, for launching D2D information to other-end on other time interval resources except t2 at a described rear sub-frame of uplink.

Embodiment six:

The embodiment of the present invention six has been described a kind of and the scheme embodiment of the present invention three and has been belonged to the terminal under same inventive concept, comprises time determination module and receiver module, wherein:

Time determination module is converted to the change-over time of emission state as first terminal from accepting state for one section of last duration t1 in the middle sub-frame of uplink of adjacent continuous three sub-frame of uplink, one section of initial duration t2 is converted to change-over time of accepting state as first terminal from emission state, described t1 and t2 are less than respectively a SC-FDMA symbol lengths in sub-frame of uplink, and are all not less than 20us; Receiver module for receiving the D2D information from the second terminal on sub-frame of uplink other time interval resources except t1 and t2 in the middle of described.

More preferably, described terminal also comprises the first configuration module, while equaling a SC-FDMA symbol lengths for the t1 in sub-frame of uplink in the middle of described and t2 sum, determine the configuration information of described other time interval resources, described configuration information is: in the time that sub-frame of uplink uses regular circulation prefix, in described other time interval resources, comprise 13 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix equals 144*Ts, in the time that sub-frame of uplink uses extended cyclic prefix, in described other time interval resources, comprise 11 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix equals 512*Ts, receiver module is specifically for utilizing definite configuration information to receive the D2D information from other-end.

Described terminal also comprises the second configuration module, while being less than a SC-FDMA symbol lengths for the t1 in sub-frame of uplink in the middle of described and t2 sum, determine the configuration information of described other time interval resources, described configuration information is: in the time that sub-frame of uplink uses regular circulation prefix, in described other time interval resources, comprise 13 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is greater than 144*Ts, in the time that sub-frame of uplink uses extended cyclic prefix, in described other time interval resources, comprise 11 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is greater than 512*Ts; Receiver module is specifically for utilizing definite configuration information to receive the D2D information from other-end.

Described terminal also comprises the 3rd configuration module, while being greater than a SC-FDMA symbol lengths for the t1 in sub-frame of uplink in the middle of described and t2 sum, determine the configuration information of described other time interval resources, described configuration information is: in the time that sub-frame of uplink uses regular circulation prefix, in described other time interval resources, comprise 13 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is less than 144*Ts, in the time that sub-frame of uplink uses extended cyclic prefix, in described other time interval resources, comprise 11 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is less than 512*Ts; Receiver module is specifically for utilizing definite configuration information to receive the D2D information from other-end.

Time determination module, for determining interior last one section of duration t1 and the one section of initial duration t2 of middle sub-frame of uplink of adjacent continuous three sub-frame of uplink, described t1 and t2 are less than respectively a SC-FDMA symbol lengths in sub-frame of uplink, and are all not less than 20us; Transmitter module, for launching D2D information to first terminal on sub-frame of uplink other time interval resources except t1 and t2 in the middle of described.

More preferably, described terminal also comprises the first configuration module, while equaling a SC-FDMA symbol lengths for the t1 in sub-frame of uplink in the middle of described and t2 sum, determine the configuration information of described other time interval resources, described configuration information is: in the time that sub-frame of uplink uses regular circulation prefix, in described other time interval resources, comprise 13 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix equals 144*Ts, in the time that sub-frame of uplink uses extended cyclic prefix, in described other time interval resources, comprise 11 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix equals 512*Ts, transmitter module is specifically for utilizing definite configuration information to other-end transmitting D2D information.

Described terminal also comprises the second configuration module, while being less than a SC-FDMA symbol lengths for the t1 in sub-frame of uplink in the middle of described and t2 sum, determine the configuration information of described other time interval resources, described configuration information is: in the time that sub-frame of uplink uses regular circulation prefix, in described other time interval resources, comprise 13 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is greater than 144*Ts, in the time that sub-frame of uplink uses extended cyclic prefix, in described other time interval resources, comprise 11 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is greater than 512*Ts, transmitter module is specifically for utilizing definite configuration information to other-end transmitting D2D information.

Described terminal also comprises the 3rd configuration module, while being greater than a SC-FDMA symbol lengths for the t1 in sub-frame of uplink in the middle of described and t2 sum, determine the configuration information of described other time interval resources, described configuration information is: in the time that sub-frame of uplink uses regular circulation prefix, in described other time interval resources, comprise 13 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is less than 144*Ts, in the time that sub-frame of uplink uses extended cyclic prefix, in described other time interval resources, comprise 11 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is less than 512*Ts, transmitter module is specifically for utilizing definite configuration information to other-end transmitting D2D information.

In the scheme of embodiment tetra-to embodiment six, the module that the module that terminal is moved in the time of D2D information accepting state and terminal are moved during in D2D emission state can be configured in terminal simultaneously, according to terminal residing state difference at that time, selective actuation operation; Certainly, the scheme of the present embodiment four to embodiment six is also not limited to terminal only as D2D receiving party, or the situation in D2D information transmitting side only.

Embodiment seven:

The embodiment of the present invention seven has been described and has a kind ofly been belonged to the communication system under same inventive concept with embodiment mono-and embodiment tetra-, comprises first terminal and the second terminal, wherein:

Module Division mode in first terminal in embodiment seven and the second terminal can be identical with embodiment tetra-.

Embodiment eight:

The embodiment of the present invention eight has been described and has a kind ofly been belonged to the communication system under same inventive concept with embodiment bis-and embodiment five, comprises first terminal and the second terminal, wherein:

Module Division mode in first terminal in embodiment eight and the second terminal can be identical with embodiment five.

Embodiment nine:

The embodiment of the present invention nine has been described and has a kind ofly been belonged to the communication system under same inventive concept with embodiment tri-and embodiment six, comprises first terminal and the second terminal, wherein:

Module Division mode in first terminal in embodiment nine and the second terminal can be identical with embodiment six.

Those skilled in the art should understand, the application's embodiment can be provided as method, system or computer program.Therefore, the application can adopt complete hardware implementation example, completely implement software example or the form in conjunction with the embodiment of software and hardware aspect.And the application can adopt the form at one or more upper computer programs of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.

The application is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present application, equipment (system) and computer program.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction that makes to carry out by the processor of computer or other programmable data processing device produces the device for realizing the function of specifying at flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.

These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.

These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame on computer or other programmable devices.

Although described the application's preferred embodiment, once those skilled in the art obtain the basic creative concept of cicada, can make other change and amendment to these embodiment.So claims are intended to be interpreted as comprising preferred embodiment and fall into all changes and the amendment of the application's scope.

Obviously, those skilled in the art can carry out various changes and modification and the spirit and scope that do not depart from the application to the application.Like this, if these amendments of the application and within modification belongs to the scope of the application's claim and equivalent technologies thereof, the application is also intended to comprise these changes and modification interior.

Claims

1. a message receiving method, is characterized in that, described method comprises:

First terminal one section of last duration t1 in the previous sub-frame of uplink in adjacent two sub-frame of uplink is converted to the change-over time of emission state as first terminal from accepting state, described t1 is less than a single-carrier frequency division multiple access SC-FDMA symbol lengths in sub-frame of uplink, and is not less than 20us;

First terminal receives the device-to-device D2D information from the second terminal in described previous sub-frame of uplink on other time interval resources except t1.

2. message receiving method as claimed in claim 1, is characterized in that, first terminal receives the D2D information from the second terminal in described previous sub-frame of uplink on other time interval resources except t1, specifically comprise:

First terminal determines that the configuration information of described other time interval resources is: in the time that sub-frame of uplink uses regular circulation prefix, comprise 13 SC-FDMA symbols in described other time interval resources, in each SC-FDMA symbol, Cyclic Prefix is greater than 144*Ts; In the time that sub-frame of uplink uses extended cyclic prefix, in described other time interval resources, comprise 11 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is greater than 512*Ts;

The definite configuration information of first terminal utilization receives the D2D information from the second terminal.

3. an information transmitting method, is characterized in that, described method comprises:

4. information transmitting method as claimed in claim 3, is characterized in that, the second terminal is launched D2D information to first terminal on other time interval resources except t1 in described previous sub-frame of uplink, specifically comprises:

The second terminal determines that the configuration information of described other time interval resources is: in the time that sub-frame of uplink uses regular circulation prefix, comprise 13 SC-FDMA symbols in described other time interval resources, in each SC-FDMA symbol, Cyclic Prefix is greater than 144*Ts; In the time that sub-frame of uplink uses extended cyclic prefix, in described other time interval resources, comprise 11 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is greater than 512*Ts;

The definite configuration information of the second terminal utilization is launched D2D information to first terminal.

5. a message receiving method, is characterized in that, described method comprises:

6. message receiving method as claimed in claim 5, is characterized in that, first terminal receives the D2D information from the second terminal in a described rear sub-frame of uplink on other time interval resources except t2, specifically comprise:

7. an information transmitting method, is characterized in that, described method comprises:

8. information transmitting method as claimed in claim 7, is characterized in that, the second terminal is launched D2D information to first terminal on other time interval resources except t2 in a described rear sub-frame of uplink, specifically comprises:

9. a message receiving method, is characterized in that, described method comprises:

10. message receiving method as claimed in claim 9, is characterized in that, t1 and t2 sum in described middle sub-frame of uplink equal a SC-FDMA symbol lengths;

First terminal receives the D2D information from the second terminal in the middle of described on other time interval resources except t1 and t2 in sub-frame of uplink, specifically comprise:

First terminal determines that the configuration information of described other time interval resources is: in the time that sub-frame of uplink uses regular circulation prefix, comprise 13 SC-FDMA symbols in described other time interval resources, in each SC-FDMA symbol, Cyclic Prefix equals 144*Ts; In the time that sub-frame of uplink uses extended cyclic prefix, in described other time interval resources, comprise 11 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix equals 512*Ts;

11. message receiving methods as claimed in claim 9, is characterized in that, t1 and t2 sum in described middle sub-frame of uplink are less than a SC-FDMA symbol lengths;

12. message receiving methods as claimed in claim 9, is characterized in that, t1 and t2 sum in described middle sub-frame of uplink are greater than a SC-FDMA symbol lengths;

First terminal determines that the configuration information of described other time interval resources is: in the time that sub-frame of uplink uses regular circulation prefix, comprise 13 SC-FDMA symbols in described other time interval resources, in each SC-FDMA symbol, Cyclic Prefix is less than 144*Ts; In the time that sub-frame of uplink uses extended cyclic prefix, in described other time interval resources, comprise 11 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is less than 512*Ts;

13. 1 kinds of information transmitting methods, is characterized in that, described method comprises:

14. information transmitting methods as claimed in claim 13, is characterized in that, t1 and t2 sum in described middle sub-frame of uplink equal a SC-FDMA symbol lengths;

The second terminal is launched D2D information to first terminal on other time interval resources except t1 and t2 in sub-frame of uplink in the middle of described, specifically comprises:

The second terminal determines that the configuration information of described other time interval resources is: in the time that sub-frame of uplink uses regular circulation prefix, comprise 13 SC-FDMA symbols in described other time interval resources, in each SC-FDMA symbol, Cyclic Prefix equals 144*Ts; In the time that sub-frame of uplink uses extended cyclic prefix, in described other time interval resources, comprise 11 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix equals 512*Ts;

15. information transmitting methods as claimed in claim 13, is characterized in that, t1 and t2 sum in described middle sub-frame of uplink are less than a SC-FDMA symbol lengths;

16. information transmitting methods as claimed in claim 13, is characterized in that, t1 and t2 sum in described middle sub-frame of uplink are greater than a SC-FDMA symbol lengths;

The second terminal determines that the configuration information of described other time interval resources is: in the time that sub-frame of uplink uses regular circulation prefix, comprise 13 SC-FDMA symbols in described other time interval resources, in each SC-FDMA symbol, Cyclic Prefix is less than 144*Ts; In the time that sub-frame of uplink uses extended cyclic prefix, in described other time interval resources, comprise 11 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is less than 512*Ts;

17. 1 kinds of terminals, is characterized in that, described terminal comprises:

18. terminals as claimed in claim 17, is characterized in that, described terminal also comprises:

Configuration module, for determining the configuration information of described other time interval resources, described configuration information is: in the time that sub-frame of uplink uses regular circulation prefix, comprise 13 SC-FDMA symbols in described other time interval resources, in each SC-FDMA symbol, Cyclic Prefix is greater than 144*Ts; In the time that sub-frame of uplink uses extended cyclic prefix, in described other time interval resources, comprise 11 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is greater than 512*Ts;

Receiver module, specifically for utilizing definite configuration information to receive the D2D information from other-end.

19. 1 kinds of terminals, is characterized in that, described terminal comprises:

20. terminals as claimed in claim 19, is characterized in that, described terminal also comprises:

Transmitter module, specifically for utilizing definite configuration information to other-end transmitting D2D information.

21. 1 kinds of terminals, is characterized in that, described terminal comprises:

22. terminals as claimed in claim 21, is characterized in that, described terminal also comprises:

23. 1 kinds of terminals, is characterized in that, described terminal comprises:

24. terminals as claimed in claim 23, is characterized in that, described terminal also comprises:

25. 1 kinds of terminals, is characterized in that, described terminal comprises:

26. terminals as claimed in claim 25, is characterized in that, described terminal also comprises:

The first configuration module, while equaling a SC-FDMA symbol lengths for the t1 in sub-frame of uplink in the middle of described and t2 sum, determine the configuration information of described other time interval resources, described configuration information is: in the time that sub-frame of uplink uses regular circulation prefix, in described other time interval resources, comprise 13 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix equals 144*Ts; In the time that sub-frame of uplink uses extended cyclic prefix, in described other time interval resources, comprise 11 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix equals 512*Ts;

27. terminals as claimed in claim 25, is characterized in that, described terminal also comprises:

The second configuration module, while being less than a SC-FDMA symbol lengths for the t1 in sub-frame of uplink in the middle of described and t2 sum, determine the configuration information of described other time interval resources, described configuration information is: in the time that sub-frame of uplink uses regular circulation prefix, in described other time interval resources, comprise 13 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is greater than 144*Ts; In the time that sub-frame of uplink uses extended cyclic prefix, in described other time interval resources, comprise 11 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is greater than 512*Ts;

28. terminals as claimed in claim 25, is characterized in that, described terminal also comprises:

The 3rd configuration module, while being greater than a SC-FDMA symbol lengths for the t1 in sub-frame of uplink in the middle of described and t2 sum, determine the configuration information of described other time interval resources, described configuration information is: in the time that sub-frame of uplink uses regular circulation prefix, in described other time interval resources, comprise 13 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is less than 144*Ts; In the time that sub-frame of uplink uses extended cyclic prefix, in described other time interval resources, comprise 11 SC-FDMA symbols, in each SC-FDMA symbol, Cyclic Prefix is less than 512*Ts;

29. 1 kinds of terminals, is characterized in that, described terminal comprises:

30. terminals as claimed in claim 29, is characterized in that, described terminal also comprises:

31. terminals as claimed in claim 29, is characterized in that, described terminal also comprises:

32. terminals as claimed in claim 29, is characterized in that, described terminal also comprises:

33. 1 kinds of communication systems, is characterized in that, described communication system comprises first terminal and the second terminal, wherein:

34. 1 kinds of communication systems, is characterized in that, described communication system comprises first terminal and the second terminal, wherein:

35. 1 kinds of communication systems, is characterized in that, described communication system comprises first terminal and the second terminal, wherein: