CN101841887B - Method and device for indicating resource bearing downlink information - Google Patents
Method and device for indicating resource bearing downlink information Download PDFInfo
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Abstract
The invention relates to a wireless communication technique, in particular to a method and a device for indicating a resource bearing downlink information, wherein the method and the device are used for indicating the resource bearing the downlink information on an LTE-A terminal in an LTE-A system to ensure that the LTE-A terminal can receive the LTE-A downlink information. The method of the embodiment of the invention comprises the following steps of: determining the time segment length and the frequency band length of an LTE-A resource according to configuration information of a special time slot; and according to the determined time segment length and frequency band length of the LTE-A resource, selecting part of resources from the special time slot as the LTE-A resource, and indicating the LTE-A terminal to receive the LTE-A downlink information in the LTE-A resource of the special time slot. By adopting the embodiment of the invention, the LTE-A terminal can receive the LTE-A downlink information to improve the resource utilization ratio of a system.
Description
Technical field
The present invention relates to wireless communication technology, particularly a kind of method and apparatus of indicating resource bearing downlink information.
Background technology
ITU (International Telecommunication Union, International Telecommunications Union tissue) be that the performance of next generation mobile communication system (International Mobile Telecommunications-Advanced, IMT-Advanced) has proposed very harsh requirement.The maximum system transmission bandwidth reaches 100MHz, and the peak rate of up-downgoing transfer of data will reach 500Mbps and 1Gbps respectively, and system's average spectral efficiency (ase) especially edge spectrum efficiency has been proposed very high demand.In order to satisfy the requirement of the new system of IMT-Advanced, 3GPP (3rd Generation Partnership Project, 3G (Third Generation) Moblie standardization body) in its mobile cellular communication of future generation system, be to have proposed the performance that the technology such as employing high-order mimo (multi-point cooperative transmission), relay improve system in LTE-Advanced (Long Term Evolution-Advanced, long-term evolution upgrading) system.
In the LTE-A system, the base station need to be with LTE-A downlink information notice LTE-A terminal, such as measurement pilot frequency, and relay signaling, data etc.
But present LTE-A system does not also have a kind of mode can allow the LTE-A terminal receive downlink information in the LTE-A system.
In sum, in present LTE-A system, which resource bearing downlink information is the LTE-A terminal be difficult to know, thereby can't receive the LTE-A downlink information.
Summary of the invention
The embodiment of the present invention provides a kind of method and apparatus of indicating resource bearing downlink information, in order to realize that the resource of indication LTE-A terminal bearing downlink information makes the LTE-A terminal can receive the LTE-A downlink information in the LTE-A system.
The method of the embodiment of the present invention provides a kind of long-term evolution upgrading LTE-A system indicating resource bearing downlink information, the method comprises:
According to the configuration information of special time slot, determine time period length and the frequency range length of LTE-A resource;
According to time period length and the frequency range length of the LTE-A resource of determining, select a part of resource as the LTE-A resource from special time slot, indication LTE-A terminal receives the LTE-A downlink information in the LTE-A of special time slot resource; And
The configuration information of described special time slot is sent to the LTE terminal.
The device of the embodiment of the present invention provides a kind of long-term evolution upgrading LTE-A system indicating resource bearing downlink information, this device comprises:
The resource determination module is used for the configuration information according to special time slot, determines time period length and the frequency range length of LTE-A resource;
Processing module is used for time period length and frequency range length according to the LTE-A resource of determining, selects a part of resource as the LTE-A resource from special time slot;
Indicating module is used to indicate the LTE-A terminal and receives the LTE-A downlink information in the LTE-A of special time slot resource;
Information sending module is used for the configuration information of described special time slot is sent to the LTE terminal.
The embodiment of the present invention is determined time period length and the frequency range length of LTE-A resource according to the configuration information of special time slot; According to time period length and the frequency range length of the LTE-A resource of determining, select a part of resource as the LTE-A resource from special time slot, indication LTE-A terminal receives the LTE-A downlink information in the LTE-A of special time slot resource.Due to the resource that can indicate LTE-A terminal bearing downlink information, make the LTE-A terminal can receive the LTE-A downlink information, thereby improved resource utilization ratio, further can satisfy LTE-A terminal use's demand, improve the user and experience.
Description of drawings
Fig. 1 is the special time slot structural representation;
Fig. 2 is the device of embodiment of the present invention LTE-A system indicating terminal resource bearing downlink information;
Fig. 3 A is embodiment of the present invention the first special time slot structural representation;
Fig. 3 B is embodiment of the present invention the second special time slot structural representation;
Fig. 3 C is the third special time slot structural representation of the embodiment of the present invention;
Fig. 3 D is the 4th kind of special time slot structural representation of the embodiment of the present invention;
Fig. 4 is the method flow schematic diagram of embodiment of the present invention LTE-A system indicating terminal resource bearing downlink information.
Embodiment
The embodiment of the present invention is according to the configuration information of special time slot, determine time period length and the frequency range length of LTE-A resource, select a part of resource as the LTE-A resource from special time slot, indication LTE-A terminal receives the LTE-A downlink information in the LTE-A of special time slot resource.Due to the resource that can indicate LTE-A terminal bearing downlink information, make the LTE-A terminal can receive the LTE-A downlink information.
Wherein, the structure of special time slot comprises DwPTS (downlink pilot time slot; descending pilot frequency time slot), GP (guard period, protection interval) and UpPTS (uplink pilot time slot uplink pilot time slot), referring to Fig. 1.The time period length of DwPTS, GP and UpPTS is not changeless, different according to the time period length of DwPTS, GP and UpPTS, the configuration information that multiple special time slot is arranged accordingly is that network side is selected a kind of configuration information according to the requirement that the residential quarter covers from the configuration information of multiple special time slot.
The LTE-A downlink information comprises high-level signaling and data, specifically includes but not limited to one or more in following message:
Measurement pilot frequency, relay signaling, data.
Can accurately determine the LTE-A resource according to time period and frequency.
Due to the LTE-A system can be compatible the LTA system, so can have simultaneously LTE-A terminal and LTE terminal in the LTE-A system.The LTE-A terminal is to support the terminal of LTE-A system and LTE system, and the LTE terminal is to support the terminal of LTE system.
Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.
As shown in Figure 2, the device of embodiment of the present invention LTE-A system indicating terminal resource bearing downlink information comprises: resource determination module 10, processing module 20 and indicating module 30.
Wherein, a part of resource that indicating module 30 is selected from special time slot according to processing module 20, generate the configuration information of LTE-A resource, send the configuration information of LTE-A resource to the LTE-A terminal, the indication LTE-A terminal resource corresponding according to configuration information receives the LTE-A downlink information.
In specific implementation process, indicating module 30 can be placed in high-level signaling with amended configuration information and send.
The configuration information of LTE-A resource can be time period and the frequency of LTE-A resource; It can be also the symbol logo of the symbol of LTE-A resource occupation.Certainly, other can allow the LTE-A terminal accurately know the applicable equally embodiment of the present invention of configuration information of LTE-A resource.
Need to prove, the embodiment of the present invention is not limited to amended configuration information is placed in the mode that high-level signaling sends, and other can send to amended configuration information the mode of LTE-A terminal all to be suitable for the present embodiment.
Wherein, select a part of resource to have as the mode of LTE-A resource from special time slot multiple, the below lifts 3 kinds of modes and describes.
Mode one: resource determination module 10 is determined time period length and the frequency range length of LTE-A resource according to the number of resources that symbolic number and the LTE-A downlink information of the DwPTS in the configuration information of special time slot takies.
Such as: the symbolic number of the DwPTS in the configuration information of special time slot is 3, the number of resources that the LTE-A downlink information takies need to take 4, owing to can not with all resources all as the LTE-A resource, determining that the time period length of LTE-A resource equals the time period length that 2 symbols take in DwPTS.
Such as: the symbolic number of the DwPTS in the configuration information of special time slot is 4, and the number of resources that the LTE-A downlink information takies need to take 1, can determine that at this moment the time period length of LTE-A resource equals the time period length that 3 symbols take; For saving resource, the better short length of time that can be only takies with 1 symbol is as the time period length of LTE-A resource.
Need to prove, above-mentioned dual mode just illustrates, and whether the side of any number of resources that can take according to symbolic number and the LTE-A downlink information of the DwPTS in the configuration information of special time slot is suitable for the embodiment of the present invention.
Wherein, the time period length of the LTE-A resource that last time period length equals to determine, the length of the first frequency range equal the frequency range length of LTE-A resource.
Because DwPTS is comprised of the OFDM symbol, so in specific implementation process, resource determination module 10 also can be determined N OFDM symbol, and the length sum of N OFDM symbol is exactly the time period length of LTE-A resource; Accordingly, processing module 20 can be close to DwPTS N the OFDM symbol of GP as the LTE-A resource.
For mode one, the device of the embodiment of the present invention can further include: notification module 40.
Due to amended configuration information is sent to the LTE terminal, and LTE-A resource not in amended configuration information, so the LTE terminal can not receive the LTE-A downlink information in the LTE-A resource.That is to say that the LTE-A resource is sightless to the LTE-A resource.Can under the prerequisite of the demand that satisfies the LTE-A terminal, further reduce the interference to the LTE terminal like this.
Wherein, notification module 40 can also send to the LTE-A terminal with amended configuration information, because the LTE-A terminal can know which part in special time slot is the LTE-A resource according to the indication of indicating module 30, so send to the configuration information after the LTE-A terminal modifications, also can not allow the LTE-A resource invisible to the LTE-A terminal.
In specific implementation process, can also not revise the configuration information of special time slot, but the configuration information of special time slot is directly sent to the LTE terminal, it is the same that the effect that reaches like this sends to the effect of LTE terminal with configuration information with amended special time slot, and the device of the embodiment of the present invention can further include: information sending module 50.
The mode that information sending module 50 sends the configuration information (or notification module 40 sends configuration information of amended special time slots) of special time slots includes but not limited to a kind of in following manner:
The configuration information (or configuration information of amended special time slot) of special time slot is passed through broadcast transmission;
With the configuration information (or configuration information of amended special time slot) of special time slot as for sending in high-level signaling.
For special time slot corresponding to amended configuration information, can be referring to Fig. 3 A;
For special time slot corresponding to the configuration information of not revising, can be referring to Fig. 3 B.
Wherein, in Fig. 3 A and Fig. 3 B, the LTE-A resource occupation is the whole frequency range of DwPTS, and the LTE-A resource also can only take the band segment of DwPTS as required.
Mode two, wherein the applied environment of mode two is that the symbolic number of the DwPTS in the configuration information of special time slot equals 3.
Wherein, the length of the second frequency range equals the frequency range length of LTE-A resource.
A plurality of symbols are arranged in DwPTS, symbol logo according to symbol order from left to right be 0,1,2........The 3rd symbol of DwPTS is the 3rd symbol of from left to right counting according to symbol, and corresponding symbol logo is 2.
For mode two, information sending module 50 can directly send to the LTE terminal with the configuration information of special time slot, and it is the same in the effect that reaches like this and mode one, the configuration information of amended special time slot being sent to the effect of LTE terminal.
Wherein, in the mode of the configuration information of information sending module 50 transmission special time slots and mode one, the mode of the configuration information of notification module 40 transmission special time slots is similar, repeats no more.
For the special time slot of formula two correspondences, can be referring to Fig. 3 C.
Mode three, wherein the applied environment of mode two is that the symbolic number of the DwPTS in the configuration information of special time slot equals 3, and PDCCH (physical downlink control channel, Physical Downlink Control Channel) is when taking a symbol
Whole frequency ranges that second symbol of DwPTS taken are as frequency range length corresponding to the very first time segment length of LTE-A resource, and the frequency range length beyond the frequency range that the synchronizing channel on the 3rd symbol of DwPTS is taken is as frequency range length corresponding to the second time period length of LTE-A resource.
Wherein, very first time segment length and the second time period length sum are the time period length of LTE-A resource, and the frequency range length frequency range length sum corresponding with the second time period length corresponding to very first time segment length is the frequency range length of LTE-A resource.
The time period that processing module 20 takies second symbol of DwPTS in special time slot and the 3rd frequency range be as the LTE-A resource, with the 3rd time period that symbol takies of DwPTS in special time slot and the 4th frequency range as the LTE-A resource.
Wherein, the length of the 3rd frequency range equals frequency range length corresponding to very first time segment length, and the length of the 4th frequency range equals frequency range length corresponding to the second time period length.
Second symbol of DwPTS is second symbol from left to right counting according to symbol, and corresponding symbol logo is 1; The 3rd symbol of DwPTS is the 3rd symbol of from left to right counting according to symbol, and corresponding symbol logo is 2.
For mode three, information sending module 50 can directly send to the LTE terminal with the configuration information of special time slot, and it is the same in the effect that reaches like this and mode one, the configuration information of amended special time slot being sent to the effect of LTE terminal.
Wherein, in the mode of the configuration information of information sending module 50 transmission special time slots and mode one, the mode of the configuration information of notification module 40 transmission special time slots is similar, repeats no more.
For the special time slot of formula two correspondences, can be referring to Fig. 3 D.
In mode two and mode three, the frequency range that synchronizing channel takies is S-SCH (Secondarysynchronization signal, auxiliary synchronous signaling) frequency range.In specific implementation process, if the S-SCH frequency range is used for the emission measurement pilot tone, the channel quality of S-SCH frequency range can be derived by the channel quality of both sides, such as the channel quality according to successive bands is made linear smoothing, or gets minimum value.
The device of embodiment of the present invention LTE-A system indicating terminal resource bearing downlink information can be the base station, can be also other equipment of network side.If other equipment of network side, other equipment of network side need to be with the special time slot informing base station after configuration.
As shown in Figure 4, the method for embodiment of the present invention LTE-A system indicating terminal resource bearing downlink information comprises the following steps:
Time period length and the frequency range length of the LTE-A resource that step 402, basis are determined select a part of resource as the LTE-A resource from special time slot.
In step 403, according to a part of resource of selecting, generate the configuration information of LTE-A resource from special time slot, send the configuration information of LTE-A resource to the LTE-A terminal, the indication LTE-A terminal resource corresponding according to configuration information receives the LTE-A downlink information.
In specific implementation process, amended configuration information can be placed in high-level signaling and send.
The configuration information of LTE-A resource can be time period and the frequency of LTE-A resource; It can be also the symbol logo of the symbol of LTE-A resource occupation.Certainly, other can allow the LTE-A terminal accurately know the applicable equally embodiment of the present invention of configuration information of LTE-A resource.
Need to prove, the embodiment of the present invention is not limited to amended configuration information is placed in the mode that high-level signaling sends, and other can send to amended configuration information the mode of LTE-A terminal all to be suitable for the present embodiment.
Wherein, select a part of resource to have as the mode of LTE-A resource from special time slot multiple, the below lifts 3 kinds of modes and describes.
Mode one: in step 401, according to the number of resources that symbolic number and the LTE-A downlink information of the DwPTS in the configuration information of special time slot takies, determine time period length and the frequency range length of LTE-A resource.
Such as: the symbolic number of the DwPTS in the configuration information of special time slot is 3, the number of resources that the LTE-A downlink information takies need to take 4, owing to can not with all resources all as the LTE-A resource, determining that the time period length of LTE-A resource equals the time period length that 2 symbols take in DwPTS.
Such as: the symbolic number of the DwPTS in the configuration information of special time slot is 4, and the number of resources that the LTE-A downlink information takies need to take 1, can determine that at this moment the time period length of LTE-A resource equals the time period length that 3 symbols take; For saving resource, the better short length of time that can be only takies with 1 symbol is as the time period length of LTE-A resource.
Need to prove, above-mentioned dual mode just illustrates, and whether the side of any number of resources that can take according to symbolic number and the LTE-A downlink information of the DwPTS in the configuration information of special time slot is suitable for the embodiment of the present invention.
In step 402, with last time period of DwPTS in special time slot and the first frequency range as the LTE-A resource.
Wherein, the time period length of the LTE-A resource that last time period length equals to determine, the length of the first frequency range equal the frequency range length of LTE-A resource.
Because DwPTS is comprised of the OFDM symbol, so in step 401, also can determine N OFDM symbol, and the length sum of N OFDM symbol is exactly the time period length of LTE-A resource; Accordingly, in step 402, DwPTS can be close to N the OFDM symbol of GP as the LTE-A resource.
For mode one, select a part of resource as after the LTE-A resource from special time slot, the time period as GP last time period of DwPTS in the configuration information of special time slot can be obtained amended configuration information, amended configuration information is sent to the LTE terminal.
Due to amended configuration information is sent to the LTE terminal, and LTE-A resource not in amended configuration information, so the LTE terminal can not receive the LTE-A downlink information in the LTE-A resource.That is to say that the LTE-A resource is sightless to the LTE-A resource.Can under the prerequisite of the demand that satisfies the LTE-A terminal, further reduce the interference to the LTE terminal like this.
Wherein, amended configuration information can also be sent to the LTE-A terminal, because the LTE-A terminal can know which part in special time slot is the LTE-A resource according to indication, so send to the configuration information after the LTE-A terminal modifications, can not allow the LTE-A resource invisible to the LTE-A terminal yet.
In specific implementation process, can also not revise the configuration information of special time slot, but the configuration information of special time slot is directly sent to the LTE terminal, it is the same that the effect that reaches like this sends to the effect of LTE terminal with configuration information with amended special time slot.
The mode that sends the configuration information (or configuration information of amended special time slot) of special time slot includes but not limited to a kind of in following manner:
The configuration information (or configuration information of amended special time slot) of special time slot is passed through broadcast transmission;
With the configuration information (or configuration information of amended special time slot) of special time slot as for sending in high-level signaling.
For special time slot corresponding to amended configuration information, can be referring to Fig. 3 A;
For special time slot corresponding to the configuration information of not revising, can be referring to Fig. 3 B.
Wherein, in Fig. 3 A and Fig. 3 B, the LTE-A resource occupation is the whole frequency range of DwPTS, and the LTE-A resource also can only take the band segment of DwPTS as required.
Mode two, wherein the applied environment of mode two is that the symbolic number of the DwPTS in the configuration information of special time slot equals 3.
In step 401, with the time period length of the 3rd symbol of the DwPTS time period length as the LTE-A resource, the frequency range length beyond the frequency range that the synchronizing channel on the 3rd symbol of DwPTS is taken is as the frequency range length of LTE-A resource.
In step 402, with the 3rd time period that symbol takies of DwPTS in special time slot and the second frequency range as the LTE-A resource.
Wherein, the length of the second frequency range equals the frequency range length of LTE-A resource.
A plurality of symbols are arranged in DwPTS, symbol logo according to symbol order from left to right be 0,1,2........The 3rd symbol of DwPTS is the 3rd symbol of from left to right counting according to symbol, and corresponding symbol logo is 2.
For mode two, the configuration information (not modifying) of special time slot directly can be sent to the LTE terminal, it is the same in the effect that reaches like this and mode one, the configuration information of amended special time slot being sent to the effect of LTE terminal.
Wherein, in the mode of the configuration information of transmission special time slot and mode one, the mode of the configuration information of transmission special time slot is similar, repeats no more.
For the special time slot of formula two correspondences, can be referring to Fig. 3 C.
Mode three, wherein the applied environment of mode two is that the symbolic number of the DwPTS in the configuration information of special time slot equals 3, and PDCCH is when taking a symbol
In step 401, with the time period length of second symbol of the DwPTS very first time segment length as the LTE-A resource, with the time period length of the 3rd symbol of DwPTS the second time period length as the LTE-A resource;
Whole frequency ranges that second symbol of DwPTS taken are as frequency range length corresponding to the very first time segment length of LTE-A resource, and the frequency range length beyond the frequency range that the synchronizing channel on the 3rd symbol of DwPTS is taken is as frequency range length corresponding to the second time period length of LTE-A resource.
Wherein, very first time segment length and the second time period length sum are the time period length of LTE-A resource, and the frequency range length frequency range length sum corresponding with the second time period length corresponding to very first time segment length is the frequency range length of LTE-A resource.
In step 402, the time period that second symbol of DwPTS in special time slot taken and the 3rd frequency range be as the LTE-A resource, with the 3rd time period that symbol takies of DwPTS in special time slot and the 4th frequency range as the LTE-A resource.
Wherein, the length of the 3rd frequency range equals frequency range length corresponding to very first time segment length, and the length of the 4th frequency range equals frequency range length corresponding to the second time period length.
Second symbol of DwPTS is second symbol from left to right counting according to symbol, and corresponding symbol logo is 1; The 3rd symbol of DwPTS is the 3rd symbol of from left to right counting according to symbol, and corresponding symbol logo is 2.
For mode three, the configuration information (not modifying) of special time slot directly can be sent to the LTE terminal, it is the same in the effect that reaches like this and mode one, the configuration information of amended special time slot being sent to the effect of LTE terminal.
Wherein, in the mode of the configuration information of transmission special time slot and mode one, the mode of the configuration information of transmission special time slot is similar, repeats no more.
For the special time slot of formula two correspondences, can be referring to Fig. 3 D.
In mode two and mode three, the frequency range that synchronizing channel takies is the S-SCH frequency range.In specific implementation process, if the S-SCH frequency range is used for the emission measurement pilot tone, the channel quality of S-SCH frequency range can be derived by the channel quality of both sides, such as the channel quality according to successive bands is made linear smoothing, or gets minimum value.
The method executive agent of embodiment of the present invention LTE-A system indicating terminal resource bearing downlink information can be the base station, can be also other equipment of network side.If other equipment of network side, other equipment of network side need to be with the special time slot informing base station after configuration.
Can find out from above-described embodiment: the embodiment of the present invention is determined time period length and the frequency range length of LTE-A resource according to the configuration information of special time slot; According to time period length and the frequency range length of the LTE-A resource of determining, select a part of resource as the LTE-A resource from special time slot, indication LTE-A terminal receives the LTE-A downlink information in the LTE-A of special time slot resource.Due to the resource that can indicate LTE-A terminal bearing downlink information, make the LTE-A terminal can receive the LTE-A downlink information, thereby improved resource utilization ratio, further can satisfy LTE-A terminal use's demand, improve the user and experience.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of claim of the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.
Claims (4)
1. the method for a long-term evolution upgrading LTE-A system indicating resource bearing downlink information, is characterized in that, the method comprises:
According to the configuration information of special time slot, determine time period length and the frequency range length of LTE-A resource;
Time period length and frequency range length according to the LTE-A resource of determining, select a part of resource as the LTE-A resource from special time slot, according to a part of resource of selecting from special time slot, generate the configuration information of LTE-A resource, send the configuration information of described LTE-A resource to described LTE-A terminal, the indication LTE-A terminal resource corresponding according to configuration information receives the LTE-A downlink information; And the configuration information of described special time slot is sent to the LTE terminal;
Wherein, determine time period length and the frequency range length of LTE-A resource, according to time period length and the frequency range length of the LTE-A resource of determining, select a part of resource as the LTE-A resource from special time slot, comprising:
The number of resources that takies according to symbolic number and the LTE-A downlink information of the DwPTS in the configuration information of special time slot, determine time period length and the frequency range length of LTE-A resource, and with last time period of DwPTS in described special time slot and the first frequency range as the LTE-A resource, wherein, the time period length of the LTE-A resource that described last time period length equals to determine, the length of described the first frequency range equals the frequency range length of LTE-A resource, or
The symbolic number of DwPTS in the configuration information of special time slot equals at 3 o'clock, with the time period length of the 3rd symbol of the DwPTS time period length as the LTE-A resource, frequency range length beyond the frequency range that synchronizing channel on the 3rd symbol of DwPTS is taken is as the frequency range length of LTE-A resource, and with the 3rd time period that symbol takies of DwPTS in described special time slot and the second frequency range as the LTE-A resource, wherein, the length of described the second frequency range equals the frequency range length of LTE-A resource, or
the symbolic number of DwPTS in the configuration information of special time slot equals 3, and when physical downlink control channel PDCCH takies a symbol, with the time period length of second symbol of the DwPTS very first time segment length as the LTE-A resource, with the time period length of the 3rd symbol of DwPTS the second time period length as the LTE-A resource, wherein said very first time segment length and the second time period length sum are the time period length of LTE-A resource, whole frequency ranges that second symbol of DwPTS taken are as frequency range length corresponding to the very first time segment length of LTE-A resource, frequency range length beyond the frequency range that synchronizing channel on the 3rd symbol of DwPTS is taken is as frequency range length corresponding to the second time period length of LTE-A resource, the frequency range length frequency range length sum corresponding with described the second time period length corresponding to wherein said very first time segment length is the frequency range length of LTE-A resource, the time period that second symbol of DwPTS in described special time slot taken and the 3rd frequency range are as the LTE-A resource, and with the 3rd time period that symbol takies of DwPTS in described special time slot and the 4th frequency range as the LTE-A resource, wherein, the length of described the 3rd frequency range equals frequency range length corresponding to described very first time segment length, the length of described the 4th frequency range equals frequency range length corresponding to described the second time period length,
Wherein, last time period of DwPTS in described special time slot and the first frequency range as after the LTE-A resource, are also comprised:
With the time period as GP last time period of the described DwPTS in the configuration information of special time slot, obtain amended configuration information, amended configuration information is sent to the LTE terminal.
2. the method for claim 1, is characterized in that, described configuration information is placed in high-level signaling sends.
3. the device of a long-term evolution upgrading LTE-A system indicating resource bearing downlink information, is characterized in that, this device comprises:
The resource determination module is used for the configuration information according to special time slot, determines time period length and the frequency range length of LTE-A resource;
Processing module is used for time period length and frequency range length according to the LTE-A resource of determining, selects a part of resource as the LTE-A resource from special time slot;
Indicating module, for a part of resource of selecting from special time slot according to described processing module, generate the configuration information of LTE-A resource, send the configuration information of described LTE-A resource to described LTE-A terminal, the indication LTE-A terminal resource corresponding according to configuration information receives the LTE-A downlink information;
Information sending module is used for the configuration information of described special time slot is sent to the LTE terminal;
Wherein, described resource determination module, concrete being used for according to the symbolic number of the DwPTS of the configuration information of special time slot and the number of resources that the LTE-A downlink information takies, determine time period length and the frequency range length of LTE-A resource, described processing module, concrete being used for last time period of described special time slot DwPTS and the first frequency range as the LTE-A resource, wherein, the time period length of the LTE-A resource that described last time period length equals to determine, the length of described the first frequency range equals the frequency range length of LTE-A resource, or
described resource determination module, concrete being used for equals at 3 o'clock in the symbolic number of the DwPTS of the configuration information of special time slot, with the time period length of the 3rd symbol of the DwPTS time period length as the LTE-A resource, frequency range length beyond the frequency range that synchronizing channel on the 3rd symbol of DwPTS is taken is as the frequency range length of LTE-A resource, described processing module, concrete being used for the 3rd time period that symbol takies of described special time slot DwPTS and the second frequency range as the LTE-A resource, wherein, the length of described the second frequency range equals the frequency range length of LTE-A resource, or
described resource determination module, concrete being used for equals 3 in the symbolic number of the DwPTS of the configuration information of special time slot, and when physical downlink control channel PDCCH takies a symbol, with the time period length of second symbol of the DwPTS very first time segment length as the LTE-A resource, with the time period length of the 3rd symbol of DwPTS the second time period length as the LTE-A resource, wherein said very first time segment length and the second time period length sum are the time period length of LTE-A resource, whole frequency ranges that second symbol of DwPTS taken are as frequency range length corresponding to the very first time segment length of LTE-A resource, frequency range length beyond the frequency range that synchronizing channel on the 3rd symbol of DwPTS is taken is as frequency range length corresponding to the second time period length of LTE-A resource, the frequency range length frequency range length sum corresponding with described the second time period length corresponding to wherein said very first time segment length is the frequency range length of LTE-A resource, described processing module, the time period that concrete second symbol that is used for described special time slot DwPTS takies and the 3rd frequency range are as the LTE-A resource, with the 3rd time period that symbol takies of DwPTS in described special time slot and the 4th frequency range as the LTE-A resource, wherein, the length of described the 3rd frequency range equals frequency range length corresponding to described very first time segment length, the length of described the 4th frequency range equals frequency range length corresponding to described the second time period length,
Wherein, described device also comprises notification module, be used for described processing module with last time period of described special time slot DwPTS and the first frequency range as the LTE-A resource after, with the time period as GP last time period of the described DwPTS in the configuration information of special time slot, obtain amended configuration information, amended configuration information is sent to the LTE terminal.
4. device as claimed in claim 3, is characterized in that, described indicating module is placed in high-level signaling with amended configuration information and sends.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0938193A1 (en) * | 1998-02-18 | 1999-08-25 | Sony International (Europe) GmbH | Header structure for TDD systems |
| CN1716816A (en) * | 2004-06-30 | 2006-01-04 | 西门子（中国）有限公司 | Physics channel distribution method in multiple carrier time division synchronous CDMA access system |
| CN101052149A (en) * | 2007-05-18 | 2007-10-10 | 中兴通讯股份有限公司 | Data transmission method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0938193A1 (en) * | 1998-02-18 | 1999-08-25 | Sony International (Europe) GmbH | Header structure for TDD systems |
| CN1716816A (en) * | 2004-06-30 | 2006-01-04 | 西门子（中国）有限公司 | Physics channel distribution method in multiple carrier time division synchronous CDMA access system |
| CN101052149A (en) * | 2007-05-18 | 2007-10-10 | 中兴通讯股份有限公司 | Data transmission method |
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