WO2017133444A1 - 一种上下行传输资源分配方法及装置 - Google Patents

一种上下行传输资源分配方法及装置 Download PDF

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Publication number
WO2017133444A1
WO2017133444A1 PCT/CN2017/071427 CN2017071427W WO2017133444A1 WO 2017133444 A1 WO2017133444 A1 WO 2017133444A1 CN 2017071427 W CN2017071427 W CN 2017071427W WO 2017133444 A1 WO2017133444 A1 WO 2017133444A1
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Prior art keywords
channel
resource
transmission resource
period
uplink
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PCT/CN2017/071427
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English (en)
French (fr)
Inventor
高雪娟
郑方政
潘学明
孙韶辉
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电信科学技术研究院
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Priority claimed from CN201611270963.9A external-priority patent/CN107041003B/zh
Application filed by 电信科学技术研究院 filed Critical 电信科学技术研究院
Priority to EP24150012.3A priority Critical patent/EP4329235A3/en
Priority to JP2018540843A priority patent/JP2019506085A/ja
Priority to KR1020187025445A priority patent/KR102165825B1/ko
Priority to US16/075,141 priority patent/US10911202B2/en
Priority to EP17746764.4A priority patent/EP3413667B1/en
Publication of WO2017133444A1 publication Critical patent/WO2017133444A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the present application relates to the field of communications technologies, and in particular, to a method and an apparatus for allocating uplink and downlink transmission resources.
  • FIG. 1 shows a frame structure of an LTE TDD system by taking FS2 (frame structure type 2) as an example.
  • FS2 frame structure type 2
  • Each 10 ms radio frame in FS2 consists of two 5 ms half frames, each of which contains five subframes of 1 ms length.
  • the sub-frames in FS2 are classified into three types: downlink sub-frames, uplink sub-frames, and special sub-frames.
  • Each special sub-frame consists of a downlink transmission time slot (DwPTS, Downlink Pilot Time Slot), a guard interval (GP, Guard Period), and
  • the uplink transmission time slot (UpPTS, Uplink Pilot Time Slot) is composed of three parts.
  • the DwPTS can transmit downlink pilot, downlink service data and downlink control signaling; the GP does not transmit any signal; the UpPTS only transmits random access and sounding reference symbols (SRS, Sounding Reference Symbol), and cannot transmit uplink service or uplink control information.
  • SRS Sounding Reference Symbol
  • Different TDD uplink and downlink configurations have different uplink subframes and downlink subframe allocation ratios and/or different uplink and downlink switching periods, as shown in Table 1.
  • Table 1 shows the seven uplink and downlink subframe configurations supported in FS2.
  • the uplink and downlink configuration of the TDD is pre-configured through the high-layer signaling, and is a static or semi-static configuration, which cannot be adapted to the fast uplink and downlink traffic change requirements and is the uplink-downlink ratio of the subframe level. Variety.
  • the dynamic TDD technology can dynamically configure the transmission direction of some uplink subframes to change between uplink and downlink, it is only for the configuration of some uplink subframes and is the ratio of the uplink and downlink of the subframe level.
  • the transmission time interval may be less than 0.5 ms, or even several or one symbol level, so that one TMB (Time Division Multiplexing) uplink and/or downlink transmission can be carried in one subframe of the LTE system.
  • TMB Time Division Multiplexing
  • a solution for dynamically dividing uplink transmission resources and downlink transmission resources is urgently needed.
  • An embodiment of the present application provides a method and an apparatus for allocating uplink and downlink transmission resources, which are used to dynamically divide an uplink transmission resource and a downlink transmission resource.
  • Transmitting sending or transmitting on the set time-frequency resource in the first channel transmission period according to the first channel transmission period
  • the first channel is used to notify at least the allocation information of the uplink transmission resource and the downlink transmission resource in the first channel transmission period or the effective period of the first channel.
  • the first channel transmission period is pre-configured or pre-agreed, and the length is N1 subframes, or N2 symbols, or N3 slots, or N4 first time units, or N5 micro slots.
  • N1, N2, N3, N4, and N5 are integers greater than or equal to 1
  • the length of the first time unit is defined in advance as B1 subframes or B2 symbols or B3 slots or B4 minislots.
  • B1, B2, B3, and B4 are integers greater than or equal to 1;
  • the effective period of the first channel is pre-configured or pre-agreed, and the length is M1 subframes, or M2 symbols, or M3 slots, or M4 first time units, or M5 micro slots; M1, M2, M3, M4, and M5 are integers greater than or equal to 1.
  • the length of the first time unit is defined in advance as B1 subframes or B2 symbols or B3 slots or B4 mini-slots, B1. B2, B3, and B4 are each an integer greater than or equal to 1.
  • the set time-frequency resource is located in the time domain in a first or first K1 symbols in the first channel transmission period, and K1 is an integer greater than or equal to 1.
  • the set time-frequency resource is located in the frequency domain of the set K2 subcarriers SC or the resource unit RE or the resource unit RU, where K2 is an integer greater than or equal to 1; wherein the RU is in the time domain.
  • K2 is an integer greater than or equal to 1; wherein the RU is in the time domain.
  • a resource region occupying X1 symbols and occupying X2 SCs or REs in the frequency domain, the X2 SCs or REs being consecutive or discontinuous in the frequency domain, and X1 and X2 are integers greater than or equal to 1.
  • the set time-frequency resource is continuous in the frequency domain; or the set time-frequency resource is dispersed in the system bandwidth or within the bandwidth corresponding to the downlink transmission according to an agreed rule in the frequency domain.
  • the set time-frequency resource is evenly distributed in the frequency domain according to a predetermined granularity; or the set time-frequency resource is distributed in the frequency domain at a highest frequency or a lowest frequency of the bandwidth. Or the center frequency domain location.
  • the first channel is used to notify at least the allocation information of the uplink transmission resource and the downlink transmission resource in the first channel transmission period or the effective period of the first channel, including:
  • the first channel is configured to notify at least the allocation information of the uplink transmission resource and the downlink transmission resource in each first time unit in the first channel transmission period or the effective period of the first channel, where
  • the length of the first time unit is defined in advance as B1 subframes or B2 symbols or B3 slots or B4 mini-slots, and B1, B2, B3, and B4 are integers greater than or equal to 1.
  • the allocation of the uplink transmission resource and the downlink transmission resource in each first time unit in the first channel transmission period or the effective period of the first channel is the same; or
  • the allocation of the uplink transmission resource and the downlink transmission resource in each first time unit in the first channel transmission period or the effective period of the first channel is different;
  • the allocation of the uplink transmission resource and the downlink transmission resource in the first time unit in the first channel transmission period or in the effective time period of the first channel is the same, and the uplink transmission resource and the downlink in the first time unit The allocation of transmission resources is not the same.
  • the allocation information of the uplink transmission resource and the downlink transmission resource is used to indicate at least two of the following symbol positions: a symbol used for uplink transmission, a symbol used for downlink transmission, used as a symbol of a guard interval; or
  • the allocation information of the uplink transmission resource and the downlink transmission resource is used to indicate one of a plurality of pre-defined uplink and downlink allocation structures.
  • the allocation information of the uplink transmission resource and the downlink transmission resource is used to indicate a resource location of the uplink transmission resource and the downlink transmission resource in a frequency domain.
  • the method before the transmitting the first channel on the set time-frequency resource in the first channel transmission period, the method further includes: according to the current uplink traffic load and the downlink service load, according to the first channel transmission period And allocate an uplink transmission resource and a downlink transmission resource in the first channel transmission period or the effective period of the first channel.
  • the first channel transmission period is pre-configured or pre-agreed, and the length is N1 subframes, or N2 symbols, or N3 slots, or N4 first time units, or N5 micro slots.
  • N1, N2, N3, N4, and N5 are integers greater than or equal to 1
  • the length of the first time unit is defined in advance as B1 subframes or B2 symbols or B3 slots or B4 minislots.
  • B1, B2, B3, and B4 are integers greater than or equal to 1;
  • the effective period of the first channel is pre-configured or pre-agreed, and the length is M1 subframes, or M2 symbols, or M3 slots, or M4 first time units, or M5 micro slots; M1, M2, M3, M4, and M5 are integers greater than or equal to 1, and the length of the first time unit is defined in advance as B1 subframes or B2 symbols or B4 minislots, B1, B2, B3, and B4. Both are integers greater than or equal to 1.
  • the set time-frequency resource is located in the time domain in a first or first K1 symbols in the first channel transmission period, and K1 is an integer greater than or equal to 1.
  • the set time-frequency resource is located in the frequency domain of the set K2 subcarriers SC or the resource unit RE or the resource unit RU, where K2 is an integer greater than or equal to 1; wherein the RU is in the time domain.
  • K2 is an integer greater than or equal to 1; wherein the RU is in the time domain.
  • a resource region occupying X1 symbols and occupying X2 SCs or REs in the frequency domain, the X2 SCs or REs being consecutive or discontinuous in the frequency domain, and X1 and X2 are integers greater than or equal to 1.
  • the set time-frequency resource is continuous in the frequency domain; or the set time-frequency resource is dispersed in the system bandwidth or within the bandwidth corresponding to the downlink transmission according to an agreed rule in the frequency domain.
  • the set time-frequency resource is evenly distributed in the frequency domain according to a predetermined granularity; or the set time-frequency resource is distributed in the frequency domain at a highest frequency or a lowest frequency of the bandwidth. Or the center frequency domain location.
  • the first channel is used to notify at least the allocation information of the uplink transmission resource and the downlink transmission resource in the first channel transmission period or the effective period of the first channel, including:
  • the first channel is configured to notify at least the allocation information of the uplink transmission resource and the downlink transmission resource in each first time unit in the first channel transmission period or the effective period of the first channel, where
  • the length of the first time unit is defined in advance as B1 subframes or B2 symbols or B3 slots or B4 mini-slots, and B1, B2, B3, and B4 are integers greater than or equal to 1.
  • the allocation of the uplink transmission resource and the downlink transmission resource in each first time unit in the first channel transmission period or the effective period of the first channel is the same; or
  • the allocation of the uplink transmission resource and the downlink transmission resource in each first time unit in the first channel transmission period or the effective period of the first channel is different;
  • the allocation of the uplink transmission resource and the downlink transmission resource in the first time unit in the first channel transmission period or in the effective time period of the first channel is the same, and the uplink transmission resource and the downlink in the first time unit The allocation of transmission resources is not the same.
  • the allocation information of the uplink transmission resource and the downlink transmission resource is used to indicate at least two of the following symbol positions: a symbol used for uplink transmission, a symbol used for downlink transmission, used as a symbol of a guard interval; or
  • the allocation information of the uplink transmission resource and the downlink transmission resource is used to indicate one of a plurality of pre-defined uplink and downlink allocation structures.
  • the allocation information of the uplink transmission resource and the downlink transmission resource is used to indicate a resource location of the uplink transmission resource and the downlink transmission resource in a frequency domain.
  • the method further includes: an allocating module, configured to: according to the current uplink service, before transmitting the first channel on the set time-frequency resource in the first channel sending period according to the first channel sending period
  • the load quantity and the downlink traffic load amount are allocated uplink transmission resources and downlink transmission resources in the first channel transmission period or the effective period of the first channel.
  • the device is a base station or a terminal.
  • Another uplink and downlink transmission resource allocation apparatus includes: a processor, a memory, a transceiver, and a bus interface;
  • the processor is configured to read a program in the memory and perform the following process:
  • Transmitting transmitting or receiving the first channel on a set time-frequency resource in the first channel transmission period according to a first channel transmission period, where the first channel is used to notify at least the first channel to send The allocation information of the uplink transmission resource and the downlink transmission resource in the period or the effective period of the first channel.
  • the first channel is transmitted on a set time-frequency resource in the first channel transmission period according to a first channel transmission period, where the first channel is used to notify at least the The allocation information of the uplink transmission resource and the downlink transmission resource in the first channel transmission period or the effective period of the first channel, thereby realizing dynamic division and notifying the uplink transmission resource and the downlink transmission resource.
  • FIG. 1 is a schematic diagram of a frame structure of an LTE TDD system in the prior art
  • FIG. 2 is a schematic flowchart of a network side uplink and downlink transmission resource allocation process according to an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of a process of allocating uplink and downlink transmission resources on a terminal side according to an embodiment of the present disclosure
  • 4 is a schematic diagram of allocation of uplink transmission resources and downlink transmission resources in an embodiment of the present application
  • FIG. 5 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a base station according to another embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a terminal according to another embodiment of the present disclosure.
  • the embodiment of the present application provides a dynamic uplink and downlink transmission resource allocation scheme.
  • the uplink transmission resource and the downlink transmission resource can be dynamically allocated in one subframe of the LTE system, so as to better adapt to the uplink and downlink transmission service requirements and improve spectrum resource utilization.
  • the base station may be an evolved base station (Evolved Node B, referred to as an eNB or an e-NodeB), a macro base station, a micro base station (also referred to as a "small base station”), a pico base station, and an uplink base station.
  • Evolved Node B referred to as an eNB or an e-NodeB
  • a macro base station referred to as an eNB or an e-NodeB
  • a micro base station also referred to as a "small base station”
  • TP transmission point
  • the base station can also be used as a concept including a cell or a sector. limited.
  • the terminal may be a handheld device with a wireless communication function, an in-vehicle device, a wearable device, a computing device, or other processing device connected to the wireless modem, and various forms of user equipment (User Equipment, UE for short) Mobile station (Mobile station, MS for short), terminal (terminal), terminal equipment (Terminal Equipment), etc., which is not limited in this application.
  • User Equipment User Equipment
  • UE User Equipment
  • Mobile station Mobile station
  • MS terminal
  • Terminal Terminal Equipment
  • Terminal Equipment Terminal Equipment
  • LTE may be considered to correspond to 3GPP (3rd Generation Partnership Project) Release 8 (Rel-8 or R8), Release 9 (Rel-9 or R9), Release 10 (Rel) -10 or R10) and versions 10 and above
  • the LTE network structure may be a macro cell, a micro cell, a pico cell, a femto cell, a network of repeaters and relay forwarding nodes, and various hybrid network structures ( It may be composed of one or more of a macro cell, a micro cell, a pico cell, a femto cell, and a repeater and a relay forwarding node, etc., which is not limited in this application.
  • FIG. 2 is a schematic flowchart of an uplink and downlink transmission resource allocation process implemented by a network side according to an embodiment of the present disclosure, where the process may be performed by a base station.
  • the process can include the following steps:
  • Step 202 According to a first channel transmission period, transmitting, on the set time-frequency resource in the first channel transmission period (the transmission here may be understood as sending), the first channel, where the first channel is used at least And notifying the allocation information of the uplink transmission resource and the downlink transmission resource in the first channel transmission period or the effective period of the first channel.
  • the first channel may be a newly designed channel or may be a channel existing in the current LTE system, which is not limited in this embodiment of the present application.
  • the radio frames and subframes defined in the LTE system may all be used for short TTI transmission, or only partial subframes may be used for short TTI transmission.
  • uplink transmission resources and downlink transmission resource division can be supported at symbol granularity.
  • the first channel transmission period includes at least one subframe for short TTI transmission, and the division of the uplink transmission resource and the downlink transmission resource is performed on a subframe used for short TTI transmission, if the first channel If the transmission period includes subframes that are not available for short TTI transmission, the subframes that are not available for short TTI transmission are skipped for division of uplink transmission resources and downlink transmission resources.
  • the allocation information of the uplink transmission resource and the downlink transmission resource may be used to indicate a resource location of the uplink transmission resource and the downlink transmission resource in a frequency domain, where the uplink transmission resource and the downlink transmission resource are in a frequency domain.
  • the resource locations on the same or different locations are the regions occupying all or part of the system bandwidth in the frequency domain.
  • step 201 of the process shown in FIG. 2 the following steps may be further included:
  • Step 201 Allocate uplink transmission resources and downlink transmission resources in the first channel transmission period or the first channel effective period according to the current uplink traffic load and the downlink traffic load.
  • the uplink transmission resource and the downlink transmission resource may be dynamically divided according to the change of the uplink and downlink traffic load. If the uplink traffic load is greater than the downlink traffic, the allocated uplink transmission resources are more than the downlink transmission resources. Conversely, if the downlink traffic load is greater than the uplink traffic load, the allocated downlink transmission resources are more than the uplink transmission resources.
  • step 202 of the process shown in FIG. 2 the following steps may also be included:
  • Step 203 Perform data transmission according to the first channel transmission period or the allocation of the uplink transmission resource and the downlink transmission resource in the effective period of the first channel. Specifically, the uplink transmission is performed according to the uplink transmission resource, and the downlink transmission is performed according to the downlink transmission resource.
  • the first channel is transmitted on a set time-frequency resource in the first channel transmission period according to a first channel transmission period, since the first channel is used at least
  • the allocation information of the uplink transmission resource and the downlink transmission resource in the first channel transmission period or the effective period of the first channel is notified, thereby realizing the allocation of the dynamic uplink transmission resource and the downlink transmission resource.
  • the first channel transmission period is pre-configured or pre-agreed, the length is N1 subframes, or N2 symbols, and N1 and N2 are integers greater than or equal to 1; and/or
  • the effective period of the first channel is pre-configured or pre-agreed, the length is M1 subframes, or M2 symbols, and M1 and M2 are integers greater than or equal to 1.
  • the effective period of the first channel is pre-configured to be after the first channel is transmitted (ie, does not include the symbol or subframe or slot or mini-slot in which the first channel transmission is located) or includes the symbol in which the first channel is transmitted.
  • the effective time period is greater than the sending period. For example, if multiple sending periods are included, the content indicated by the multiple first channels sent in the effective time period may be considered to be the same.
  • a mini-slot refers to a time unit that is pre-defined or configured to contain X (X is an integer greater than or equal to 1) symbols. Of course, it can also be considered as the reference of the content indicated by the last channel received last in the effective time period.
  • the effective time period is two time slots including the time slot in which the first channel is transmitted, and the first channel is sent around one time slot, that is, one first channel is sent in each time slot, and the second time is used.
  • the indication content of the transmitted first channel shall prevail.
  • the effective time period may also be defined as the allocation information of the uplink transmission resource and the downlink transmission resource of the next time slot indicated by the first channel sent by the current time slot, and the transmission period may also be defined as each time slot.
  • the first channel sent in the slot i is used to indicate allocation information of the uplink transmission resource and the downlink transmission resource in the slot i+1.
  • the effective time period may also be defined as the first channel sent by the current time slot indicating the allocation information of the uplink transmission resource and the downlink transmission resource of each time slot of the multiple time slots after the current time slot, and then the transmission period is If it is shorter than the effective time period, for example, it is defined as each time slot transmission, it will appear to be valid for the adjacent three time slots, the third time slot, that is, the effective time period of the first channel transmitted in the first time slot.
  • the indication information of the last received first channel is taken as the standard.
  • the radio frames and subframes defined in the LTE system may each be used for short TTI transmission, or only partial subframes may be used for short TTI transmission. If only a part of the subframes defined in the LTE system are available for short TTI transmission, the first channel transmission period may be determined according to the location of the subframe used for the short TTI transmission, for example, only subframe 2 and subframe.
  • the first channel transmission period 3 can be used for short TTI transmission, if the first channel transmission period only calculates a subframe that can be used for short TTI transmission, it can be designed as 2 subframes or 2 ms period, if the first channel transmission period is calculated all If the subframe includes a subframe that is not available for short TTI transmission, the first channel transmission period may be set to 10 subframes or 10 ms, that is, the correct configuration of the control channel transmission location is achieved by enlarging the first channel transmission period. For a subframe that cannot be used for short TTI transmission in the period, no processing is skipped, so that the division of the uplink transmission resource and the downlink transmission resource in the two subframes is notified in one transmission period. If it is in units of time slots or first time units, the mode of operation is similar to that described above in units of subframes.
  • the first channel may be used for transmitting uplink transmission resources and downlink transmission in advance.
  • the time-frequency resource of the allocation information of the transmission resource is defined, and of course, it can also be notified by the base station.
  • the time-frequency resource may be located in the first or previous K1 symbols in the first channel transmission period in the time domain, and K1 is an integer greater than or equal to 1.
  • the time-frequency resource may be located in the frequency domain of the set K2 SCs (SubCarriers) or K2 REs (Resource Element) or K2 RUs (Resource Units), and K2 is greater than or equal to 1
  • the integer value can be pre-defined or configured.
  • one RU is a resource region occupying X1 symbols in the time domain and occupying X2 SCs or X2 REs in the frequency domain, and the X2 SCs or X2 REs are consecutive or discontinuous in the frequency domain, X1 and X2 All are integers greater than or equal to 1, and the specific values can be predefined or configured.
  • the number of symbols occupied by the time-frequency resource in the time domain and the number of SCs or REs or RUs occupied in the frequency domain may be determined according to the amount of information of the uplink transmission resource and the downlink transmission resource allocation information that are required to be transmitted. .
  • the time-frequency resources in the first channel for carrying the allocation information of the uplink transmission resource and the downlink transmission resource may be consecutive in the frequency domain, or may be dispersed in the system bandwidth according to an agreed rule.
  • the time-frequency resource may be uniformly distributed in the bandwidth according to a predetermined granularity in the frequency domain, for example, a group of A (A is an integer greater than 1) SC or RE or RU, and is divided into K2. /A group, each group is equally spaced within the above bandwidth; it may also be distributed in the frequency domain over the highest frequency or lowest frequency or central frequency domain position of the bandwidth.
  • the first channel is configured to notify at least an uplink transmission resource and a downlink transmission resource in each subframe within the first channel transmission period or the effective period of the first channel.
  • the first channel is used to notify at least the uplink transmission resource and the downlink transmission resource in each first time unit in the first channel transmission period or the first channel effective period
  • the allocation information wherein the length of the first time unit is defined in advance as B1 subframes or B2 symbols, and B1 and B2 are integers greater than or equal to 1.
  • the transmission period is divided into a group of B1 subframes or a group of B2 symbols, and is divided into a plurality of first time units, where the allocation information indicates uplink transmission resources and downlinks in each first time unit.
  • the allocation of transmission resources is configured to notify at least an uplink transmission resource and a downlink transmission resource in each subframe within the first channel transmission period or the effective period of the first channel.
  • the first channel is used to notify at least the uplink transmission resource and the downlink transmission resource in each first time unit in the
  • Case 1 the allocation of the uplink transmission resource and the downlink transmission resource in each first time unit in the first channel transmission period or the effective period of the first channel are the same;
  • Case 2 the allocation of the uplink transmission resource and the downlink transmission resource in each first time unit in the first channel transmission period or the effective period of the first channel are different;
  • Case 3 the allocation of the uplink transmission resource and the downlink transmission resource in the first time unit in the first channel transmission period or the effective time period of the first channel is the same, and the uplink transmission resource and the downlink transmission in the first time unit The allocation of resources is different.
  • the uplink and downlink transmission resource division may be notified only in units of subframes and/or first time units; in case 2 or case 3, that is, included in a first channel transmission period Can be used for short TTI If different uplink/downlink transmission resource divisions exist in different subframes or different first time units, the uplink and downlink transmission resource division may be separately indicated on a subframe-by-subframe basis or a first time unit basis, and such a method is also included in the present application. in.
  • the uplink transmission resource and the downlink transmission resource may be divided into symbols, that is, the uplink transmission resource and the downlink transmission resource may include one or several symbols, and correspondingly, allocation information of the uplink transmission resource and the downlink transmission resource.
  • a symbol for uplink transmission may include P1 consecutive symbols, the P1 consecutive symbols constitute an uplink transmission time period; or, a symbol for uplink transmission may include multiple sets of consecutive symbols a symbol, each set of consecutive symbols may constitute an uplink transmission time period, and different uplink transmission time periods are discontinuous; wherein P1 is an integer greater than or equal to 0;
  • a symbol for downlink transmission may include P2 consecutive symbols, the P2 consecutive symbols constitute one uplink transmission time period; or, a symbol for downlink transmission may include multiple sets of consecutive symbols Symbol, each set of consecutive symbols can constitute an uplink transmission time period, and different uplink transmission time periods are discontinuous; wherein P2 is an integer greater than or equal to 0;
  • the information may include only allocation information of uplink transmission resources and downlink transmission resources in one subframe or one first time unit, thereby reducing notification signaling overhead.
  • the division of the uplink transmission resource and the downlink transmission resource may include which part of the symbols in one subframe is used for downlink transmission, which part of the symbol is used for uplink transmission, and which part of the symbol is used as guard interval.
  • the allocation information of the uplink transmission resource and the downlink transmission resource may indicate at least two part of the symbol positions in the above three parts.
  • the terminal may implicitly determine a symbol set for uplink transmission in one subframe or a first time unit according to a total number of symbols included in one subframe or a first time unit; when only one subframe or one first is indicated
  • the terminal may implicitly determine one subframe or a first time according to the total number of symbols included in one subframe or one first time unit.
  • a set of symbols used in the cell for downlink transmission may be implicitly determined.
  • the allocation information of the uplink transmission resource and the downlink transmission resource may also be used to indicate one of a plurality of pre-defined uplink and downlink allocation structures.
  • the uplink and downlink allocation structure may be defined in units of one subframe, or may be defined in units of multiple subframes, may be defined in units of one first time unit, or may be multiple firsts.
  • the time unit is defined in units.
  • the uplink and downlink allocation structure may be a partial downlink and a partial uplink structure, wherein different structures have different uplink and downlink allocation ratios.
  • the uplink and downlink allocation structure may include a full downlink structure, a full uplink structure, and a partial downlink and a partial uplink structure, wherein part of the downlink and partial uplink structures may be further divided into a downlink-based structure (ie, the In the structure, the number of symbols in the downlink part is large, the number of symbols in the uplink part is small, and the structure in which the uplink is dominant (that is, the number of symbols in the uplink portion is large in the structure, and the number of symbols in the downlink portion is small).
  • a downlink-based structure ie, the In the structure, the number of symbols in the downlink part is large, the number of symbols in the uplink part is small, and the structure in which the uplink is dominant (that is, the number of symbols in the uplink portion is large in the structure, and the number of symbols in the downlink portion is small).
  • a plurality of structures including different combinations of the number of downlink symbols and the number of uplink symbols may be defined in advance, and the allocation information of the uplink transmission resource and the downlink transmission resource may indicate one of them, and further
  • the structure of the behavior master may also define a plurality of structures including different combinations of the number of downlink symbols and the number of uplink symbols, and the allocation information of the uplink transmission resources and the downlink transmission resources may indicate one of them.
  • FIG. 3 is a schematic flowchart of an uplink and downlink transmission resource allocation process implemented by a terminal side according to an embodiment of the present disclosure, where the process may be performed by a terminal.
  • the process can include the following steps:
  • Step 301 Receive, according to a first channel transmission period, the first channel on a set time-frequency resource in the first channel transmission period, where the first channel is used to notify at least the first channel transmission period. Or allocation information of the uplink transmission resource and the downlink transmission resource in the effective period of the first channel.
  • the radio frames and subframes defined in the LTE system may all be used for short TTI transmission, or only partial subframes may be used for short TTI transmission.
  • a subframe that can be used for short TTI transmission the division of uplink transmission resources and downlink transmission resources by symbol granularity can be supported.
  • the first channel transmission period includes at least one subframe for short TTI transmission, and the division of the uplink transmission resource and the downlink transmission resource is performed on a subframe used for short TTI transmission, if the first channel If the transmission period includes subframes that are not available for short TTI transmission, the subframes that are not available for short TTI transmission are skipped for division of uplink transmission resources and downlink transmission resources.
  • the allocation information of the uplink transmission resource and the downlink transmission resource may be used to indicate a resource location of the uplink transmission resource and the downlink transmission resource in a frequency domain, where the uplink transmission resource and the downlink transmission resource are in a frequency domain.
  • the resource locations on the same or different locations are the regions occupying all or part of the system bandwidth in the frequency domain.
  • step 301 of the process shown in FIG. 3 the following steps may be further included:
  • Step 302 Perform data transmission according to the first channel transmission period or the allocation of the uplink transmission resource and the downlink transmission resource in the effective period of the first channel. Specifically, the uplink transmission is performed according to the uplink transmission resource, and the downlink transmission is performed according to the downlink transmission resource.
  • the first channel is transmitted on the set time-frequency resource in the first channel transmission period according to the first channel transmission period, since the first channel is used at least Notifying the allocation information of the uplink transmission resource and the downlink transmission resource in the first channel transmission period or the effective period of the first channel, thereby implementing The allocation of dynamic uplink transmission resources and downlink transmission resources.
  • the allocated uplink transmission resource and downlink transmission resource allocation information may not include the total. It is assumed to be a symbol for uplink transmission, thereby further reducing the number of bits of notification signaling.
  • the transmission period of the first channel is 2 subframes, that is, 2 ms is used as the transmission period.
  • determining the time domain location for transmitting the first channel is a specific frequency domain location on the first symbol of the transmission period of the first channel (eg, K2 SCs or REs in the middle or low frequency or high frequency frequency domain locations)
  • the first channel is transmitted on the RU, or K2 SCs or REs or RUs dispersed in the downlink transmission bandwidth.
  • the base station may determine, according to the current uplink and downlink traffic load, the division of uplink and downlink transmission resources in one subframe, and when the downlink traffic is large, allocate more symbols for downlink transmission, for example, in subframe #0. Transmitting the first channel on the first symbol, indicating that the first symbol to the ninth symbol in each subframe (ie, subframe #0 and subframe 1) in the transmission period are used for downlink transmission, that is, downlink transmission.
  • the resource, the 10th symbol and the 11th symbol in each subframe are guard intervals; when the uplink traffic is large, more symbols are allocated for uplink transmission, for example, on the first symbol of subframe #2.
  • the first channel indicates that the first symbol to the fourth symbol in each subframe (ie, subframe #2 and subframe 3) in the transmission period are used for downlink transmission, that is, downlink transmission resources, in each subframe.
  • the 5th symbol and the 6 symbols are guard intervals.
  • the terminal receives the first channel according to the first channel transmission period and according to a predetermined method, and selects the first channel on the first frequency symbol on the first symbol in the transmission period (same as the base station side transmission location), and parses the first channel.
  • the content of the bearer determines the division of uplink and downlink transmission resources. For example, as shown in FIG. 4, the first symbol of the terminal in subframe #0 receives the first channel, and determines the first of each subframe (ie, subframe #0 and subframe #1) in the transmission period.
  • the first symbol to the ninth symbol are used for downlink transmission, that is, downlink transmission resources.
  • the terminal only performs downlink transmission, and determines that the tenth symbol and the eleven symbols in each subframe are guard intervals, and according to The current system is configured as a regular CP, and it is determined that 14 subframes are included in one subframe, and then the 12th symbol to 14 symbols in each subframe are determined for uplink transmission, that is, uplink transmission resources, in which the terminal only Performing uplink transmission, the terminal separately performs uplink and downlink traffic transmission according to the division of the uplink transmission resource and the downlink transmission resource in the subframe #0 and the subframe #1; the terminal receives the first channel again in the subframe #2, and determines The first symbol to the fourth symbol in each subframe (ie, subframes #2 and 3) in the transmission period are used for downlink transmission, that is, downlink transmission resources, in which the terminal only performs downlink transmission.
  • the symbol and 6 symbols are guard intervals and are configured as regular CPs according to the current system. Determining that a subframe contains 14 symbols, and then determining that the seventh symbol to the 14 symbols in each subframe are used for uplink transmission, that is, an uplink transmission resource, in which the terminal only performs uplink transmission, and the terminal is in the sub-carrier. In frame #2 and subframe #3, uplink and downlink traffic transmissions are respectively performed according to the division of the above uplink transmission resources and downlink transmission resources; and so on.
  • the effective period of the first channel is configured in advance, for example, the four subframes that are not in the effective time period from the start of the subframe in which the first channel is transmitted, that is, the uplink resource and the downlink resource allocation pair indicated by the first channel are 4 If the subframes are valid, the difference is that the base station side determines the uplink resource and the downlink resource partition in one subframe according to the service requirement.
  • the action time of one first channel is 4 subframes, The content of the first channel sent by the base station in the subframe 0 and the subframe 2 is the same.
  • the base station can update the configuration information of the first channel according to the traffic volume, and indicate different uplink and downlink resource divisions.
  • the terminal When the terminal receives the first channel in the subframe 0, the uplink resource and the downlink resource partition in the subframes 0, 1, 2, and 3 can be obtained according to the configuration information, so that the first frame does not need to be further received in the subframe 2. After the channel is received, the first channel can be received again in the subframe 4 according to the effective period; thereby reducing the information reception on the terminal side and saving power.
  • the embodiment of the present application further provides a base station, where the base station can implement the uplink-downlink resource allocation process on the network side described in the foregoing embodiment.
  • FIG. 5 is a schematic structural diagram of a base station according to an embodiment of the present application.
  • the base station can include a transmitting module 502, and further, an allocating module 501. Further, a transmission module 503 can also be included, where:
  • the allocating module 501 is configured to allocate uplink transmission resources and downlink transmission resources in the first channel transmission period or the first channel effective period according to the current uplink traffic load and the downlink traffic load.
  • the sending module 502 is configured to transmit, according to the first channel transmission period, the set time-frequency resource in the first channel transmission period (the transmission here may be understood as sending) the first channel, where the first channel
  • the channel is configured to notify at least the allocation information of the uplink transmission resource and the downlink transmission resource in the first channel transmission period or the effective period of the first channel;
  • the transmitting module 503 is configured to perform data transmission according to the first channel transmission period or the allocation of the uplink transmission resource and the downlink transmission resource in the effective period of the first channel.
  • the first channel transmission period is pre-configured or pre-agreed, and the length is N1 subframes, or N2 symbols, or N3 slots, or N4 first time units, or N5 micro slots.
  • N1, N2, N3, N4, and N5 are integers greater than or equal to 1, and the length of the first time unit is defined in advance as B1 subframes or B2 symbols or B3 slots or B4 minislots.
  • B1, B2, B3, and B4 are integers greater than or equal to 1; and/or, the effective period of the first channel is pre-configured or pre-agreed, and the length is M1 subframes, or M2 symbols, or M3 a time slot, or M4 first time units, or M5 mini-slots; wherein, M1, M2, M3, M4, and M5 are integers greater than or equal to 1, and the length of the first time unit is predefined as B1 A frame or B2 symbols or B3 slots or B4 mini-slots, and B1, B2, B3, and B4 are integers greater than or equal to 1.
  • the set time-frequency resource is located in the time domain in the first or the first K1 of the first channel sending period.
  • K1 is an integer greater than or equal to 1.
  • the set time-frequency resource is located in the frequency domain of the set K2 subcarriers SC or the resource unit RE or the resource unit RU, where K2 is an integer greater than or equal to 1; wherein the RU is in the time domain.
  • K2 is an integer greater than or equal to 1; wherein the RU is in the time domain.
  • a resource region occupying X1 symbols and occupying X2 SCs or REs in the frequency domain, the X2 SCs or REs being consecutive or discontinuous in the frequency domain, and X1 and X2 are integers greater than or equal to 1.
  • the set time-frequency resource is continuous in the frequency domain; or the set time-frequency resource is dispersed in the system bandwidth or within the bandwidth corresponding to the downlink transmission according to an agreed rule in the frequency domain.
  • the set time-frequency resource is evenly distributed in the frequency domain according to a predetermined granularity; or the set time-frequency resource is distributed in the frequency domain at a highest frequency or a lowest frequency of the bandwidth. Or the center frequency domain location.
  • the first channel is used to notify at least the allocation information of the uplink transmission resource and the downlink transmission resource in the first channel transmission period or the effective period of the first channel, including: the first The channel is configured to notify at least the allocation information of the uplink transmission resource and the downlink transmission resource in each subframe in the first channel transmission period or the effective period of the first channel; or the first channel is used at least And notifying the allocation information of the uplink transmission resource and the downlink transmission resource in each first time unit in the first channel transmission period or the effective period of the first channel, where the first time unit The length is defined in advance as B1 subframes or B2 symbols or B3 slots or B4 mini-slots, and B1, B2, B3, and B4 are integers greater than or equal to 1.
  • the allocation of the uplink transmission resource and the downlink transmission resource in each first time unit in the first channel transmission period or the effective period of the first channel is the same; or the first channel is sent.
  • the allocation of the uplink transmission resource and the downlink transmission resource in each first time unit in the period or the effective period of the first channel is different; or the first channel transmission period or the first
  • the allocation of the uplink transmission resource and the downlink transmission resource in the first time unit in the effective time period of the channel is the same, and the allocation of the uplink transmission resource and the downlink transmission resource in the first time unit is different.
  • the allocation information of the uplink transmission resource and the downlink transmission resource is used to indicate at least two of the following symbol positions: a symbol for uplink transmission, a symbol for downlink transmission, and a symbol used as a guard interval.
  • the allocation information of the uplink transmission resource and the downlink transmission resource is used to indicate one of a plurality of pre-defined uplink and downlink allocation structures.
  • the allocation information of the uplink transmission resource and the downlink transmission resource is used to indicate a resource location of the uplink transmission resource and the downlink transmission resource in a frequency domain, where the uplink transmission resource and the downlink transmission resource are The resource locations in the frequency domain are the same or different, and the resource locations are regions occupying all or part of the system bandwidth in the frequency domain.
  • the embodiment of the present application further provides a terminal, where the terminal can implement the uplink and downlink resource allocation process on the terminal side described in the foregoing embodiment.
  • FIG. 6 is a schematic structural diagram of a terminal according to an embodiment of the present application.
  • the terminal may include: a receiving module 601, and further, a transmitting module 602, where:
  • the receiving module 601 is configured to receive, according to the first channel sending period, the first channel on a set time-frequency resource in the first channel sending period, where the first channel is used to notify at least the first channel
  • the transmitting module 602 is configured to perform data transmission according to the first channel transmission period or the allocation of the uplink transmission resource and the downlink transmission resource in the effective period of the first channel.
  • the first channel transmission period is pre-configured or pre-agreed, and the length is N1 subframes, or N2 symbols, or N3 slots, or N4 first time units, or N5 micro slots.
  • N1, N2, 3, N4, and N5 are integers greater than or equal to 1, and the length of the first time unit is defined in advance as B1 subframes or B2 symbols or B3 slots or B4 minislots.
  • B1, B2, B3, and B4 are integers greater than or equal to 1; and/or, the effective period of the first channel is pre-configured or pre-agreed, and the length is M1 subframes, or M2 symbols, or M3 a time slot, or M4 first time units, or M5 mini-slots; wherein, M1, M2, M3, M4, and M5 are integers greater than or equal to 1, and the length of the first time unit is predefined as B1 A frame or B2 symbols or B3 slots or B4 mini-slots, and B1, B2, B3, and B4 are integers greater than or equal to 1.
  • the set time-frequency resource is located in the time domain in a first or first K1 symbols in the first channel transmission period, and K1 is an integer greater than or equal to 1.
  • the set time-frequency resource is located in the frequency domain of the set K2 subcarriers SC or the resource unit RE or the resource unit RU, where K2 is an integer greater than or equal to 1; wherein the RU is in the time domain.
  • K2 is an integer greater than or equal to 1; wherein the RU is in the time domain.
  • a resource region occupying X1 symbols and occupying X2 SCs or REs in the frequency domain, the X2 SCs or REs being consecutive or discontinuous in the frequency domain, and X1 and X2 are integers greater than or equal to 1.
  • the set time-frequency resource is continuous in the frequency domain; or the set time-frequency resource is dispersed in the system bandwidth or within the bandwidth corresponding to the downlink transmission according to an agreed rule in the frequency domain.
  • the set time-frequency resource is evenly distributed in the frequency domain according to a predetermined granularity; or the set time-frequency resource is distributed in the frequency domain at a highest frequency or a lowest frequency of the bandwidth. Or the center frequency domain location.
  • the first channel is used to notify at least the allocation information of the uplink transmission resource and the downlink transmission resource in the first channel transmission period or the effective period of the first channel, including: the first The channel is configured to notify at least the allocation information of the uplink transmission resource and the downlink transmission resource in each subframe in the first channel transmission period or the effective period of the first channel; or the first channel is used at least And notifying the allocation information of the uplink transmission resource and the downlink transmission resource in each first time unit in the first channel transmission period or the effective period of the first channel, where the first time unit The length is defined in advance as B1 subframes or B2 symbols or B3 slots or B4 mini-slots, and B1, B2, B3, and B4 are integers greater than or equal to 1.
  • the allocation of the uplink transmission resource and the downlink transmission resource in each first time unit in the first channel transmission period or the effective period of the first channel is the same; or the first channel is sent. Allocation of uplink transmission resources and downlink transmission resources in each first time unit within a period or an effective period of the first channel The allocation of the uplink transmission resource and the downlink transmission resource in the first time unit in the first channel transmission period or in the effective time period of the first channel is the same, in some first time units The allocation of uplink transmission resources and downlink transmission resources is different.
  • the allocation information of the uplink transmission resource and the downlink transmission resource is used to indicate at least two of the following symbol positions: a symbol for uplink transmission, a symbol for downlink transmission, and a symbol used as a guard interval.
  • the allocation information of the uplink transmission resource and the downlink transmission resource is used to indicate one of a plurality of pre-defined uplink and downlink allocation structures.
  • the allocation information of the uplink transmission resource and the downlink transmission resource is used to indicate a resource location of the uplink transmission resource and the downlink transmission resource in a frequency domain, where the uplink transmission resource and the downlink transmission resource are The resource locations in the frequency domain are the same or different, and the resource locations are regions occupying all or part of the system bandwidth in the frequency domain.
  • the embodiment of the present application further provides a base station, where the base station can implement the uplink-downlink resource allocation process on the network side described in the foregoing embodiment.
  • FIG. 7 is a schematic structural diagram of a base station according to an embodiment of the present application.
  • the device can include a processor 701, a memory 702, a transceiver 703, and a bus interface.
  • the processor 701 is responsible for managing the bus architecture and general processing, and the memory 702 can store data used by the processor 701 in performing operations.
  • the transceiver 703 is configured to receive and transmit data under the control of the processor 701.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 701 and various circuits of memory represented by memory 702.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • the processor 701 is responsible for managing the bus architecture and general processing, and the memory 702 can store data used by the processor 701 in performing operations.
  • the flow disclosed in the embodiment of the present application may be applied to the processor 701 or implemented by the processor 701.
  • each step of the signal processing flow may be completed by an integrated logic circuit of hardware in the processor 701 or an instruction in the form of software.
  • the processor 701 can be a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or a transistor logic device, and a discrete hardware component, which can be implemented or executed in the embodiment of the present application.
  • a general purpose processor can be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 702, and the processor 701 reads the information in the memory 702 and completes the steps of the signal processing flow in conjunction with its hardware.
  • the processor 701 is configured to read a program in the memory 702 and perform the following process:
  • the transmission may be understood as: transmitting) the first channel, where the first channel is used to notify at least the allocation of uplink transmission resources and downlink transmission resources in the first channel transmission period or the effective period of the first channel. information.
  • the first channel transmission period is pre-configured or pre-agreed, and the length is N1 subframes, or N2 symbols, or N3 slots, or N4 first time units, or N5 micro slots.
  • N1, N2, N3, N4, and N5 are integers greater than or equal to 1, and the length of the first time unit is defined in advance as B1 subframes or B2 symbols or B3 slots or B4 minislots.
  • B1, B2, B3, and B4 are integers greater than or equal to 1; and/or, the effective period of the first channel is pre-configured or pre-agreed, and the length is M1 subframes, or M2 symbols, or M3 a time slot, or M4 first time units, or M5 mini-slots; wherein, M1, M2, M3, M4, and M5 are integers greater than or equal to 1, and the length of the first time unit is predefined as B1 A frame or B2 symbols or B3 slots or B4 mini-slots, and B1, B2, B3, and B4 are integers greater than or equal to 1.
  • the set time-frequency resource is located in the time domain in a first or first K1 symbols in the first channel transmission period, and K1 is an integer greater than or equal to 1.
  • the set time-frequency resource is located in the frequency domain of the set K2 subcarriers SC or the resource unit RE or the resource unit RU, where K2 is an integer greater than or equal to 1; wherein the RU is in the time domain.
  • K2 is an integer greater than or equal to 1; wherein the RU is in the time domain.
  • a resource region occupying X1 symbols and occupying X2 SCs or REs in the frequency domain, the X2 SCs or REs being consecutive or discontinuous in the frequency domain, and X1 and X2 are integers greater than or equal to 1.
  • the set time-frequency resource is continuous in the frequency domain; or the set time-frequency resource is dispersed in the system bandwidth or within the bandwidth corresponding to the downlink transmission according to an agreed rule in the frequency domain.
  • the set time-frequency resource is evenly distributed in the frequency domain according to a predetermined granularity; or the set time-frequency resource is distributed in the frequency domain at a highest frequency or a lowest frequency of the bandwidth. Or the center frequency domain location.
  • the first channel is used to notify at least the allocation information of the uplink transmission resource and the downlink transmission resource in the first channel transmission period or the effective period of the first channel, including: the first The channel is configured to notify at least the allocation information of the uplink transmission resource and the downlink transmission resource in each subframe in the first channel transmission period or the effective period of the first channel; or the first channel is used at least And notifying the allocation information of the uplink transmission resource and the downlink transmission resource in each first time unit in the first channel transmission period or the effective period of the first channel, where the first time unit The length is defined in advance as B1 subframes or B2 symbols or B3 slots or B4 mini-slots, and B1, B2, B3, and B4 are integers greater than or equal to 1.
  • the allocation of the uplink transmission resource and the downlink transmission resource in each first time unit in the first channel transmission period or the effective period of the first channel is the same; or the first channel is sent.
  • the allocation of the uplink transmission resource and the downlink transmission resource in each first time unit in the period or the effective period of the first channel is different; or the first channel transmission period or the first
  • the allocation of the uplink transmission resource and the downlink transmission resource in the first time unit in the effective time period of the channel is the same, and the allocation of the uplink transmission resource and the downlink transmission resource in the first time unit is different.
  • the allocation information of the uplink transmission resource and the downlink transmission resource is used to indicate at least two of the following symbol positions: a symbol for uplink transmission, a symbol for downlink transmission, and a symbol used as a guard interval.
  • the allocation information of the uplink transmission resource and the downlink transmission resource is used to indicate one of a plurality of pre-defined uplink and downlink allocation structures.
  • the allocation information of the uplink transmission resource and the downlink transmission resource is used to indicate a resource location of the uplink transmission resource and the downlink transmission resource in a frequency domain, where the uplink transmission resource and the downlink transmission resource are The resource locations in the frequency domain are the same or different, and the resource locations are regions occupying all or part of the system bandwidth in the frequency domain.
  • the processor 701 is further configured to: according to the first channel transmission period, before the first channel is transmitted on the set time-frequency resource in the first channel transmission period, according to the current uplink traffic load And the downlink traffic load, and the uplink transmission resource and the downlink transmission resource in the first channel transmission period or the effective period of the first channel are allocated.
  • the embodiment of the present application further provides a terminal, where the terminal can implement the uplink and downlink resource allocation process on the terminal side described in the foregoing embodiment.
  • FIG. 8 is a schematic structural diagram of a terminal according to an embodiment of the present application.
  • the device can include a processor 801, a memory 802, a transceiver 803, and a bus interface.
  • the processor 801 is responsible for managing the bus architecture and general processing, and the memory 802 can store data used by the processor 801 in performing operations.
  • the transceiver 803 is configured to receive and transmit data under the control of the processor 801.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 801 and various circuits of memory represented by memory 802.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • the processor 801 is responsible for managing the bus architecture and general processing, and the memory 802 can store data used by the processor 801 in performing operations.
  • the flow disclosed in the embodiment of the present application may be applied to the processor 801 or implemented by the processor 801.
  • each step of the signal processing flow may be completed by an integrated logic circuit of hardware in the processor 801 or an instruction in the form of software.
  • the processor 801 can be a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or a transistor logic device, and a discrete hardware component, which can be implemented or executed in the embodiment of the present application.
  • a general purpose processor can be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 802, and the processor 801 reads the information in the memory 802 in conjunction with its hardware to complete the steps of the signal processing flow.
  • the processor 801 is configured to read a program in the memory 802 and perform the following process:
  • the first channel Receiving, according to a first channel transmission period, the first channel on a set time-frequency resource in the first channel transmission period, where the first channel is used to notify at least the first channel transmission period or the The allocation information of the uplink transmission resource and the downlink transmission resource in the effective period of the first channel.
  • the first channel transmission period is pre-configured or pre-agreed, and the length is N1 subframes, or N2 symbols, or N3 slots, or N4 first time units, or N5 micro slots.
  • N1, N2, N3, N4, and N5 are integers greater than or equal to 1, and the length of the first time unit is defined in advance as B1 subframes or B2 symbols or B3 slots or B4 minislots.
  • B1, B2, B3, and B4 are integers greater than or equal to 1; and/or, the effective period of the first channel is pre-configured or pre-agreed, and the length is M1 subframes, or M2 symbols, or M3 a time slot, or M4 first time units, or M5 mini-slots; wherein, M1, M2, M3, M4, and M5 are integers greater than or equal to 1, and the length of the first time unit is predefined as B1 A frame or B2 symbols or B3 slots or B4 mini-slots, and B1, B2, B3, and B4 are integers greater than or equal to 1.
  • the set time-frequency resource is located in the time domain in a first or first K1 symbols in the first channel transmission period, and K1 is an integer greater than or equal to 1.
  • the set time-frequency resource is located in the frequency domain of the set K2 subcarriers SC or the resource unit RE or the resource unit RU, where K2 is an integer greater than or equal to 1; wherein the RU is in the time domain.
  • K2 is an integer greater than or equal to 1; wherein the RU is in the time domain.
  • a resource region occupying X1 symbols and occupying X2 SCs or REs in the frequency domain, the X2 SCs or REs being consecutive or discontinuous in the frequency domain, and X1 and X2 are integers greater than or equal to 1.
  • the set time-frequency resource is continuous in the frequency domain; or the set time-frequency resource is dispersed in the system bandwidth or within the bandwidth corresponding to the downlink transmission according to an agreed rule in the frequency domain.
  • the set time-frequency resource is evenly distributed in the frequency domain according to a predetermined granularity; or the set time-frequency resource is distributed in the frequency domain at a highest frequency or a lowest frequency of the bandwidth. Or the center frequency domain location.
  • the first channel is used to notify at least the allocation information of the uplink transmission resource and the downlink transmission resource in the first channel transmission period or the effective period of the first channel, including:
  • the first channel is configured to notify at least the allocation information of the uplink transmission resource and the downlink transmission resource in each subframe in the first channel transmission period or the effective period of the first channel; or
  • the first channel is configured to notify at least the allocation information of the uplink transmission resource and the downlink transmission resource in each first time unit in the first channel transmission period or the effective period of the first channel, where
  • the length of the first time unit is defined in advance as B1 subframes or B2 symbols or B3 slots or B4 mini-slots, and B1, B2, B3, and B4 are integers greater than or equal to 1.
  • the allocation of the uplink transmission resource and the downlink transmission resource in each first time unit in the first channel transmission period or the effective period of the first channel is the same; or
  • the allocation of the uplink transmission resource and the downlink transmission resource in each first time unit in the first channel transmission period or the effective period of the first channel is different;
  • the allocation of the uplink transmission resource and the downlink transmission resource in the first time unit in the first channel transmission period or in the effective time period of the first channel is the same, and the uplink transmission resource and the downlink in the first time unit The allocation of transmission resources is not the same.
  • the allocation information of the uplink transmission resource and the downlink transmission resource is used to indicate at least two of the following symbol positions: a symbol for uplink transmission, a symbol for downlink transmission, and a symbol used as a guard interval.
  • the allocation information of the uplink transmission resource and the downlink transmission resource is used to indicate one of a plurality of pre-defined uplink and downlink allocation structures.
  • the allocation information of the uplink transmission resource and the downlink transmission resource is used to indicate a resource location of the uplink transmission resource and the downlink transmission resource in a frequency domain, where the uplink transmission resource and the downlink transmission resource are The resource locations in the frequency domain are the same or different, and the resource locations are regions occupying all or part of the system bandwidth in the frequency domain.
  • embodiments of the present application can be provided as a method, system, or computer program product.
  • the present application can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment in combination of software and hardware.
  • the application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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Abstract

本申请公开了一种上下行传输资源分配方法及装置。本申请中，根据第一信道发送周期，在所述第一信道发送周期内的设定时频资源上传输所述第一信道，由于所述第一信道至少用于通知所述第一信道发送周期内或第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息，因此实现了动态划分并通知上行传输资源和下行传输资源。

Description

一种上下行传输资源分配方法及装置
本申请要求在2016年2月3日提交中国专利局、申请号为201610077334.8、发明名称为“一种上下行传输资源分配方法及装置”的中国专利申请的优先权，以及，在2016年12月30日提交中国专利局、申请号为201611270963.9、发明名称为“一种上下行传输资源分配方法及装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信技术领域，尤其涉及一种上下行传输资源分配方法及装置。
背景技术
在LTE(Long Term Evolution，长期演进)系统中，现有的信道传输都是以TTI(Transmission Time Interval，传输时间间隔)＝1ms来定义的，即一个TTI即为一个子帧，长度为1ms。
对于LTE TDD(Time Division Duplexing，时分双工)系统，由于上下行传输共享相同的频域资源，则以无线帧为单位划分上下行传输子帧，用于上下行业务传输，即TDD上下行配置。图1以FS2(frame structure type 2，帧结构类型2)为例示出了LTE TDD系统的帧结构。FS2中每个10ms无线帧由两个5ms半帧构成，每个半帧中包含5个1ms长度的子帧。FS2中的子帧分为三类：下行子帧、上行子帧和特殊子帧，每个特殊子帧由下行传输时隙(DwPTS，Downlink Pilot Time Slot)、保护间隔(GP，Guard Period)和上行传输时隙(UpPTS，Uplink Pilot Time Slot)三部分构成。其中DwPTS可以传输下行导频，下行业务数据和下行控制信令；GP不传输任何信号；UpPTS仅传输随机接入和探测参考信号(SRS，Sounding Reference Symbol)，不能传输上行业务或上行控制信息。不同的TDD上下行配置具有不同的上行子帧和下行子帧分配比例和/或不同的上下行切换周期，如表1所示。表1示出了FS2中支持的7种上下行子帧配置方式。
表1：上下行配置(Uplink-downlink configurations)
Figure PCTCN2017071427-appb-000001
由于TDD的上行和下行传输共享相同的频谱资源，不同的TDD上下行配置给出了在时域上不同的上行子帧和下行子帧的划分比例，从而给出了在时域上的上行传输资源和下行传输资源划分。现有技术中，TDD上下行配置是通过高层信令预先配置的，是一种静态或者半静态变化的配置，不能适应较快的上下行业务量变化需求且都为子帧级别的上下行比例变化。动态TDD技术虽然可以通过信令动态配置部分上行子帧的传输方向在上、下行之间变化，但仅是针对部分上行子帧的配置且是子帧级别的上、下行比例变化。
随着移动通信技术的不断演进，未来移动通信系统可通过使用更短的传输时间间隔达到更小的户面延时，提高传输效率和用户体验。传输时间间隔长度可以小于0.5ms，甚至达到几个或一个符号级别，从而使LTE系统的一个子帧中可以承载多个TDM(Time Division Multiplexing，时分复用)的上行和/或下行传输。为了更好的适应动态变化的上下行业务量需求，提高频谱资源利用率，亟待动态划分上行传输资源和下行传输资源的解决方案。
发明内容
本申请实施例提供一种上下行传输资源分配方法及装置，用以实现动态划分上行传输资源和下行传输资源。
本申请实施例提供的上下行传输资源分配方法，包括：
根据第一信道发送周期，在所述第一信道发送周期内的设定时频资源上传输(发送或 接收)所述第一信道，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息。
可选地，所述第一信道发送周期为预先配置或者预先约定的，长度为N1个子帧，或N2个符号，或N3个时隙，或N4个第一时间单元，或N5个微时隙；其中，N1、N2、N3、N4和N5均为大于等于1的整数，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数；
所述第一信道的生效时间段为预先配置或者预先约定的，长度为M1个子帧，或M2个符号，或M3个时隙，或M4个第一时间单元，或M5个微时隙；其中，M1、M2、M3、M4和M5均为大于等于1的整数，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数。
可选地，所述设定时频资源在时域上位于所述第一信道发送周期中的第一个或前K1个符号，K1为大于等于1的整数。
可选地，所述设定时频资源在频域上位于设定的K2个子载波SC或资源单元RE或资源单元RU，K2为大于等于1的整数；其中，所述RU为在时域上占用X1个符号、频域上占用X2个SC或RE的资源区域，所述X2个SC或RE在频域上连续或不连续，X1和X2均为大于等于1的整数。
可选地，所述设定时频资源在频域上连续；或者，所述设定时频资源在频域上按照约定规则分散在系统带宽内或下行传输所对应的带宽内。
其中，所述设定时频资源在频域上按照预定颗粒度均匀分布在所述带宽内；或者，所述设定时频资源在频域上分布在所述带宽的最高频或最低频或中心频域位置。
可选地，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息，包括：
所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配信息，其中，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数。
其中，所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配均相同；或者，
所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配各不相同；或者，
所述第一信道发送周期内或所述第一信道的生效时间段内的部分第一时间单元中的上行传输资源和下行传输资源的分配相同，部分第一时间单元中的上行传输资源和下行传输资源的分配不相同。
可选地，所述上行传输资源和下行传输资源的分配信息用于指示以下符号位置中的至少两种：用于上行传输的符号，用于下行传输的符号，用作保护间隔的符号；或者，所述上行传输资源和下行传输资源的分配信息用于指示预先定义的多种上下行分配结构中的一种。
可选地，所述上行传输资源和下行传输资源的分配信息用于指示所述上行传输资源和所述下行传输资源在频域上的资源位置。
可选地，根据所述第一信道发送周期，在所述第一信道发送周期内的设定时频资源上传输所述第一信道之前，还包括：根据当前上行业务负载量和下行业务负载量，分配所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源。
本申请实施例提供的上下行传输资源分配装置，包括：
用于根据第一信道发送周期，在所述第一信道发送周期内的设定时频资源上传输(发送或接收)所述第一信道的装置，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息。
可选地，所述第一信道发送周期为预先配置或者预先约定的，长度为N1个子帧，或N2个符号，或N3个时隙，或N4个第一时间单元，或N5个微时隙；其中，N1、N2、N3、N4和N5均为大于等于1的整数，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数；
所述第一信道的生效时间段为预先配置或者预先约定的，长度为M1个子帧，或M2个符号，或M3个时隙，或M4个第一时间单元，或M5个微时隙；其中，M1、M2、M3、M4和M5均为大于等于1的整数，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数。
可选地，所述设定时频资源在时域上位于所述第一信道发送周期中的第一个或前K1个符号，K1为大于等于1的整数。
可选地，所述设定时频资源在频域上位于设定的K2个子载波SC或资源单元RE或资源单元RU，K2为大于等于1的整数；其中，所述RU为在时域上占用X1个符号、频域上占用X2个SC或RE的资源区域，所述X2个SC或RE在频域上连续或不连续，X1和X2均为大于等于1的整数。
可选地，所述设定时频资源在频域上连续；或者，所述设定时频资源在频域上按照约定规则分散在系统带宽内或下行传输所对应的带宽内。
其中，所述设定时频资源在频域上按照预定颗粒度均匀分布在所述带宽内；或者，所述设定时频资源在频域上分布在所述带宽的最高频或最低频或中心频域位置。
可选地，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息，包括：
所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配信息，其中，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数。
其中，所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配均相同；或者，
所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配各不相同；或者，
所述第一信道发送周期内或所述第一信道的生效时间段内的部分第一时间单元中的上行传输资源和下行传输资源的分配相同，部分第一时间单元中的上行传输资源和下行传输资源的分配不相同。
可选地，所述上行传输资源和下行传输资源的分配信息用于指示以下符号位置中的至少两种：用于上行传输的符号，用于下行传输的符号，用作保护间隔的符号；或者，所述上行传输资源和下行传输资源的分配信息用于指示预先定义的多种上下行分配结构中的一种。
可选地，所述上行传输资源和下行传输资源的分配信息用于指示所述上行传输资源和所述下行传输资源在频域上的资源位置。
可选地，还包括：分配模块，用于在根据所述第一信道发送周期，在所述第一信道发送周期内的设定时频资源上传输所述第一信道之前，根据当前上行业务负载量和下行业务负载量，分配所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源。
可选地，所述装置为基站或终端。
本申请实施例提供的另一种上下行传输资源分配装置，包括：处理器、存储器、收发机以及总线接口；
所述处理器，用于读取存储器中的程序，执行下列过程：
根据第一信道发送周期，在所述第一信道发送周期内的设定时频资源上传输(发送或接收)所述第一信道，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息。
本申请的上述实施例中，根据第一信道发送周期，在所述第一信道发送周期内的设定时频资源上传输所述第一信道，由于所述第一信道至少用于通知所述第一信道发送周期内或第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息，因此实现了动态划分并通知上行传输资源和下行传输资源。
附图说明
图1为现有技术中LTE TDD系统的帧结构示意图；
图2为本申请实施例提供的网络侧上下行传输资源分配流程示意图；
图3为本申请实施例提供的终端侧上下行传输资源分配流程示意图；
图4为本申请实施例中上行传输资源和下行传输资源的分配示意图；
图5为本申请一实施例提供的基站的结构示意图；
图6为本申请一实施例提供的终端的结构示意图；
图7为本申请另一实施例提供的基站的结构示意图；
图8为本申请另一实施例提供的终端的结构示意图。
具体实施方式
随着移动通信业务需求的发展变化，ITU等多个组织对未来移动通信系统都定义了更高的用户面延时性能要求。缩短用户时延性能的主要方法之一是降低传输时间间隔(TTI，Transmission Time Interval)的长度。此外，随着业务需求的动态变化，上行和下行业务量随之发生变化，为了更好地利用频谱资源，本申请实施例给出了一种动态的上下行传输资源分配方案，本申请实施例应用于LTE系统中时，可在LTE系统中一个子帧内动态划分上行传输资源和下行传输资源，从而更好地适应上下行传输业务需求，提高频谱资源利用率。
在本申请实施例中，基站可以是LTE系统中的演进型基站(Evolutional Node B，简称为eNB或e-NodeB)、宏基站、微基站(也称为“小基站”)、微微基站、接入站点(Access Point，简称为AP)或传输站点(Transmission Point，简称为TP)以及下一代无线通信系统的基站等，基站也可以用作包括小区或扇区的概念，本申请对此并不限定。
在本申请实施例中，终端可以是具有无线通信功能的手持设备、车载设备、可穿戴设备、计算设备或连接到无线调制解调器的其它处理设备，以及各种形式的用户设备(User Equipment,简称UE)，移动台(Mobile station,简称MS)，终端(terminal)，终端设备(Terminal Equipment)等，本申请对此并不限定。
在本申请实施例中，LTE可以被认为对应于3GPP(3rd Generation Partnership Project，第三代合作伙伴)版本8(Rel-8或R8)、版本9(Rel-9或R9)、版本10(Rel-10或R10)以及版本10及以上的版本，LTE网络结构可以是宏蜂窝、微蜂窝、微微蜂窝、毫微微蜂窝，由中继器和中继转发节点组成的网络以及各种混合网络结构(可以由宏蜂窝、微蜂窝、微微蜂窝、毫微微蜂窝，以及中继器和中继转发节点中的一种或多种组成)等，本申请对此并不限定。
下面结合附图对本申请实施例进行详细描述。
参见图2，为本申请实施例提供的网络侧实现的上下行传输资源分配流程示意图，该流程可由基站执行。
如图所示，该流程可包括如下步骤：
步骤202：根据第一信道发送周期，在所述第一信道发送周期内的设定时频资源上传输(此处的传输可以理解为发送)所述第一信道，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息。
其中，所述第一信道可以是新设计的信道或者也可以是目前LTE系统中已有的信道，本申请实施例对此不做限制。
LTE系统中所定义的无线帧和子帧可均用于短TTI传输，也可能仅部分子帧可用于短TTI传输。一个可用于短TTI传输的子帧中，可以支持以符号为粒度进行上行传输资源和下行传输资源划分。本实施例中，所述第一信道发送周期内至少包含一个用于短TTI传输的子帧，上行传输资源和下行传输资源的划分在用于短TTI传输的子帧上进行，如果第一信道发送周期内包含不可用于短TTI传输的子帧，则跳过这些不可用于短TTI传输的子帧进行上行传输资源和下行传输资源的划分。
其中，所述上行传输资源和下行传输资源的分配信息可用于指示所述上行传输资源和所述下行传输资源在频域上的资源位置，所述上行传输资源和所述下行传输资源在频域上的资源位置相同或者不同，所述资源位置为在频域上占用全部或部分系统带宽的区域。
进一步地，图2所示流程的步骤201之前，还可包括如下步骤：
步骤201：根据当前上行业务负载量和下行业务负载量，分配所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源。
其中，可根据上下行业务负载量的变化，动态对上行传输资源和下行传输资源进行划分。如果上行业务负载量大于下行业务负载量，则分配的上行传输资源多于下行传输资源，反之，如果下行业务负载量大于上行业务负载量，则分配的下行传输资源多于上行传输资源。
进一步地，图2所示流程的步骤202之后，还可包括如下步骤：
步骤203：根据所述第一信道发送周期或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配，进行数据传输。具体地，根据上行传输资源进行上行传输，根据下行传输资源进行下行传输。
通过图2所示的流程可以看出，根据第一信道发送周期，在所述第一信道发送周期内的设定时频资源上传输所述第一信道，由于所述第一信道至少用于通知所述第一信道发送周期内或第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息，因此实现了动态上行传输资源和下行传输资源的分配。
在本申请的一些实施例中，所述第一信道发送周期为预先配置或者预先约定的，长度为N1个子帧，或N2个符号，N1和N2为大于等于1的整数；和/或，所述第一信道的生效时间段为预先配置或者预先约定的，长度为M1个子帧，或M2个符号，M1和M2为大于等于1的整数。
例如，第一信道的生效时间段被预先配置为第一信道发送之后(即不包括所述第一信道传输所在的符号或子帧或时隙或微时隙)或者包括第一信道发送所在符号在内的A1个符号，或A2个子帧，或A3个时隙，或A4个微时隙，即第一信道所配置的上行传输资源和下行传输资源的分配信息在该时间段内有效；如果生效时间段大于发送周期，例如包含多个发送周期，则可以认为在生效时间段内发送的多个第一信道所指示的内容相同。其中，微时隙(mini-slot)指的是预先定义或配置为包含X个(X为大于等于1的整数)符号的时间单元。当然也可以认为以生效时间段内最后收到的第一信道所指示的内容为基准。
例如，生效时间段为包含第一信道发送所在时隙在内的2个时隙，第一信道发送周围为一个时隙，即每个时隙中都发送一个第一信道，则以第二次发送的第一信道的指示内容为准。
又例如，生效时间段还可以定义为当前时隙发送的第一信道指示下一个时隙的上行传输资源和下行传输资源的分配信息，此时发送周期也可以定义为每个时隙，则时隙i中发送的第一信道用于指示时隙i+1中的上行传输资源和下行传输资源的分配信息。
又例如，生效时间段还可以定义为当前时隙发送的第一信道指示当前时隙之后的多个时隙中每个时隙的上行传输资源和下行传输资源的分配信息，则此时发送周期如果比生效时间段短，例如定义为每个时隙发送，则会出现为对于相邻的3个时隙，第3时隙即在第1时隙中发送的第一信道的生效时间段内，又在第2时隙中发送的第一信道的生效时间段内，此时，可以以最后接收到的第一信道的指示信息为准。
如上所述，LTE系统中所定义的无线帧和子帧可均用于短TTI传输，也可能仅部分子帧可用于短TTI传输。如果LTE系统中所定义的子帧中仅部分子帧可用于短TTI传输，则可根据用于短TTI传输的子帧的位置，确定第一信道发送周期，比如，在仅子帧2和子帧3可用于短TTI传输的情况下，如果所述第一信道发送周期仅计算可用于短TTI传输的子帧，则可以设计为2个子帧或2ms周期，如果所述第一信道发送周期计算所有子帧，包括不可用于短TTI传输的子帧，则所述第一信道发送周期可设置为10个子帧或10ms，即通过扩大所述第一信道发送周期实现控制信道传输位置的正确配置，对于该周期内不能用作短TTI传输的子帧，则跳过不作处理，从而在一个发送周期内通知2个子帧内的上行传输资源和下行传输资源的划分。如果以时隙或第一时间单元为单位，则工作方式类似上述以子帧为单位的方式。
在本申请的一些实施例中，可预先对所述第一信道内用于传输上行传输资源和下行传 输资源的分配信息的时频资源进行定义，当然也可以由基站通知。具体地，该时频资源在时域上可位于所述第一信道发送周期中的第一个或前K1个符号，K1为大于等于1的整数。该时频资源在频域上可位于设定的K2个SC(SubCarrier，子载波)或K2个RE(Resource Element，资源单元)或K2个RU(Resource Unit，资源单元)，K2为大于等于1的整数，具体取值可预先定义或配置。其中，一个RU为在时域上占用X1个符号、频域上占用X2个SC或X2个RE的资源区域，所述X2个SC或X2个RE在频域上连续或不连续，X1和X2均为大于等于1的整数，具体取值可预先定义或配置。具体实施时，可根据需要传输的上行传输资源和下行传输资源的分配信息的信息量，确定该时频资源在时域上占用的符号数量以及在频域上占用的SC或RE或RU的数量。
在本申请的一些实施例中，所述第一信道中用于承载上行传输资源和下行传输资源的分配信息的时频资源可在频域上连续，也可以按照约定规则分散在系统带宽内或下行传输所对应的带宽内。更具体地，该时频资源可在频域上按照预定颗粒度均匀分布在所述带宽内，例如，以A(A为大于1的整数)个SC或RE或RU为一组，分为K2/A组，每组等间隔分布在上述带宽内；也可以在频域上分布在所述带宽的最高频或最低频或中心频域位置。
在本申请的一些实施例中，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的每个子帧中的上行传输资源和下行传输资源的分配信息；或者，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配信息，其中，所述第一时间单元的长度预先定义为B1个子帧或B2个符号，B1和B2为大于等于1的整数。作为一个例子，将发送周期以B1个子帧为一组或者以B2个符号为一组，分为多个第一时间单元，所述分配信息，指示每个第一时间单元中上行传输资源和下行传输资源的分配。
其中，所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配情况可包括以下之一：
情况1：第一信道发送周期内或第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配均相同；
情况2：第一信道发送周期内或第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配各不相同；
情况3：第一信道发送周期内或第一信道的生效时间段内的部分第一时间单元中的上行传输资源和下行传输资源的分配相同，部分第一时间单元中的上行传输资源和下行传输资源的分配不相同。
进一步地，在上述情况1下，可以仅以子帧和/或第一时间单元为单位通知上下行传输资源划分即可；在情况2或情况3下，即一个第一信道发送周期内所包含的可用于短TTI 传输的不同子帧或不同第一时间单元中存在不同的上下行传输资源划分，则可以逐个子帧或逐个第一时间单元地单独指示上下行传输资源划分，类似这样的方法也包含在本申请中。
如前所述，上行传输资源和下行传输资源可以以符号为粒度进行划分，即，上行传输资源和下行传输资源可包含一个或数个符号，相应地，上行传输资源和下行传输资源的分配信息可用于指示以下符号位置中的至少两种：
-用于上行传输的符号；例如，用于上行传输的符号可包括P1个连续符号，该P1个连续的符号构成一个上行传输时间段；或者，用于上行传输的符号可包含多组连续的符号，每组连续的符号均可以构成一个上行传输时间段，不同的上行传输时间段之间是不连续的；其中，P1为大于等于0的整数；
-用于下行传输的符号；例如，用于下行传输的符号可包括P2个连续符号，该P2个连续的符号构成一个上行传输时间段；或者，用于下行传输的符号可包含多组连续的符号，每组连续的符号都可以构成一个上行传输时间段，不同的上行传输时间段之间是不连续的；其中，P2为大于等于0的整数；
-用作保护间隔的符号。
进步一地，如果所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元的上行资源和下行资源的分配是相同的，则第一信道中的配置信息可以仅包括一个子帧或一个第一时间单元中的上行传输资源和下行传输资源的分配信息，从而减少通知信令开销。
作为例子，上行传输资源和下行传输资源的划分可包括：一个子帧中的哪部分符号用于下行传输，哪部分符号用于上行传输，哪部分符号作为保护间隔。相应地，上行传输资源和下行传输资源的分配信息可以指示上述三部分中的至少两部分符号位置。当仅指示一个子帧或一个第一时间单元中的用于下行传输的符号集合和用于上行传输的符号集合时，终端可根据一个子帧或一个第一时间单元中包含的符号总数，隐式确定一个子帧或一个第一时间单元中用作保护间隔的符号集合；当仅指示一个子帧或一个第一时间单元中的用于下行传输的符号集合和用于保护间隔的符号集合时，终端可根据一个子帧或一个第一时间单元中包含的符号总数，隐式确定一个子帧或一个第一时间单元中用于上行传输的符号集合；当仅指示一个子帧或一个第一时间单元中的用于上行传输的符号集合和用于保护间隔的符号集合时，终端可根据一个子帧或一个第一时间单元中包含的符号总数，隐式确定一个子帧或一个第一时间单元中用于下行传输的符号集合。
作为另外的例子，所述上行传输资源和下行传输资源的分配信息也可用于指示预先定义的多种上下行分配结构中的一种。其中，上下行分配结构可以以一个子帧为单位定义，也可以以多个子帧为单位定义，可以以一个第一时间单元为单位定义，也可以以多个第一 时间单元为单位定义。在一个例子中，上下行分配结构可以为部分下行和部分上行结构，其中不同的结构具有不同的上下行分配比例。在另一个例子中，上下行分配结构可以包含全下行结构、全上行结构、以及部分下行和部分上行的结构，其中部分下行和部分上行的结构可以被进一步划分为下行为主的结构(即该结构中下行部分的符号数较多，上行部分的符号数较少)、以及上行为主的结构(即该结构中上行部分的符号数较多，下行部分的符号数较少)。对于部分下行和部分上行的结构，可以预先定义多个包含不同下行符号数和上行符号数组合的结构，上行传输资源和下行传输资源的分配信息可以指示其中一种，进一步对于下行为主或上行为主的结构，也可以预先定义多个包含不同下行符号数和上行符号数组合的结构，上行传输资源和下行传输资源的分配信息可以指示其中一种。
参见图3，为本申请实施例提供的终端侧实现的上下行传输资源分配流程示意图，该流程可由终端执行。
如图所示，该流程可包括如下步骤：
步骤301：根据第一信道发送周期，在所述第一信道发送周期内的设定时频资源上接收所述第一信道，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息。
LTE系统中所定义的无线帧和子帧可均用于短TTI传输，也可能仅部分子帧可用于短TTI传输。一个可用于短TTI传输的子帧中，可以支持以符号为粒度进行上行传输资源和下行传输资源的划分。本实施例中，所述第一信道发送周期内至少包含一个用于短TTI传输的子帧，上行传输资源和下行传输资源的划分在用于短TTI传输的子帧上进行，如果第一信道发送周期内包含不可用于短TTI传输的子帧，则跳过这些不可用于短TTI传输的子帧进行上行传输资源和下行传输资源的划分。
其中，所述上行传输资源和下行传输资源的分配信息可用于指示所述上行传输资源和所述下行传输资源在频域上的资源位置，所述上行传输资源和所述下行传输资源在频域上的资源位置相同或者不同，所述资源位置为在频域上占用全部或部分系统带宽的区域。
进一步地，图3所示流程的步骤301之后，还可包括如下步骤：
步骤302：根据第一信道发送周期或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配，进行数据传输。具体地，根据上行传输资源进行上行传输，根据下行传输资源进行下行传输。
图3所示流程中，上行传输资源和下行传输资源的分配方式以及通知方式的相关描述，可参见前述实施例，再此不再重复。
通过图3所示的流程可以看出，根据第一信道发送周期，在所述第一信道发送周期内的设定时频资源上传输所述第一信道，由于所述第一信道至少用于通知所述第一信道发送周期内或第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息，因此实现 了动态上行传输资源和下行传输资源的分配。
需要说明的是，本申请实施例中，当第一信道发送周期中的部分符号(例如第一个符号，或前K1个符号)总是假设为下行传输时，可选地，所通知的上行传输资源和下行传输资源的分配信息中，可以不包括总是假设为下行传输的符号，从而进一步减少通知信令的比特数；当每第一信道发送周期中的部分符号(例如第a个符号，例如a＝3或4，或最后一个符号，或最后K1个符号)总是假设为上行传输时，可选地，所通知的上行传输资源和下行传输资源的分配信息中，可以不包括总是假设为上行传输的符号，从而进一步减少通知信令的比特数。
为了更清楚地理解本申请实施例，下面以具体应用场景为例进行说明。
在该应用场景中，以第一信道的发送周期为2个子帧为例，即以2ms为发送周期。
在基站侧，确定发送第一信道的时域位置为，该第一信道的发送周期的第一个符号上的特定频域位置(例如中间或低频或高频频域位置上的K2个SC或RE或RU，或分散在下行传输带宽内的K2个SC或RE或RU)上传输该第一信道。
具体地，基站可根据当前的上、下行业务负载，确定一个子帧中的上下行传输资源的划分，当下行业务量较多时，分配较多的符号用于下行发送，例如在子帧#0的第一个符号上发送该第一信道，指示该发送周期内每个子帧(即子帧#0和子帧1)中的第1个符号到第9个符号用于下行传输，即为下行传输资源，每个子帧中的第10个符号和第11个符号为保护间隔；当上行业务量较多时，分配较多的符号用于上行发送，例如在子帧#2的第一个符号上发送该第一信道，指示该发送周期内每个子帧(即子帧#2和子帧3)中的第1个符号到第4个符号用于下行传输，即为下行传输资源，每个子帧中的第5个符号和6个符号为保护间隔。
在终端侧，终端按照上述第一信道发送周期，按照约定方法，在该发送周期中的第一个符号上的特定频域位置(与基站侧发送位置相同)上接收该第一信道，解析其承载的内容，确定上下行传输资源的划分。例如，如图4所示，终端在子帧#0中的第一个符号接收到该第一信道，确定该发送周期内的每个子帧(即子帧#0和子帧#1)中的第1个符号到第9个符号用于下行传输，即为下行传输资源，在这些符号中，终端只进行下行传输，确定每个子帧中的第10个符号和11个符号为保护间隔，并根据当前系统配置为常规CP，确定一个子帧中包含14个符号，进而确定每个子帧中的第12个符号到14个符号用于上行传输，即为上行传输资源，在这些符号中，终端只进行上行传输，终端在子帧#0和子帧#1中按照上述上行传输资源和下行传输资源的划分分别进行上、下行业务传输；终端在子帧#2中再次接收到该第一信道，确定该发送周期内的每个子帧(即子帧#2和3)中的第1个符号到第4个符号用于下行传输，即为下行传输资源，在这些符号中，终端只进行下行传输，确定每个子帧中的第5个符号和6个符号为保护间隔，并根据当前系统配置为常规CP， 确定一个子帧中包含14个符号，进而确定每个子帧中的第7个符号到14个符号用于上行传输，即为上行传输资源，在这些符号中，终端只进行上行传输，终端在子帧#2和子帧#3中按照上述上行传输资源和下行传输资源的划分分别进行上、下行业务传输；以此类推。
进一步，如果预先配置了第一信道的生效时间段，例如配置为第一信道发送所在子帧开始的4个子帧未生效时间段，即一个第一信道所指示的上行资源和下行资源分配对4个子帧有效，则在上述过程中，所不同的是基站侧根据业务需求确定一个子帧中的上行资源和下行资源划分，较优的，由于一个第一信道的作用时间为4个子帧，则基站在子帧0和子帧2中发送的第一信道的内容是相同的，基站在子帧4中可以根据业务量更新第一信道的配置信息，指示不同的上下行资源划分；在终端侧，当终端在子帧0中收到第一信道时，可以根据其配置信息获得子帧0、1、2、3中的上行资源和下行资源划分，从而不需要在子帧2中进一步接收第一信道了，可以按照生效周期，在子帧4中再次接收第一信道；从而减少了终端侧的信息接收，节省功率。
基于相同的技术构思，本申请实施例还提供了一种基站，该基站可实现前述实施例描述的网络侧的上下行资源分配流程。
参见图5，为本申请实施例提供的基站的结构示意图。该基站可包括：发送模块502，进一步地，还可包括分配模块501。进一步地，还可包括传输模块503，其中：
分配模块501，用于根据当前上行业务负载量和下行业务负载量，分配所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源；
发送模块502，用于根据第一信道发送周期，在所述第一信道发送周期内的设定时频资源上传输(此处的传输可以理解为发送)所述第一信道，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息；
传输模块503，用于根据第一信道发送周期或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配，进行数据传输。
可选地，所述第一信道发送周期为预先配置或者预先约定的，长度为N1个子帧，或N2个符号，或N3个时隙，或N4个第一时间单元，或N5个微时隙；其中，N1、N2、N3、N4和N5均为大于等于1的整数，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数；和/或，所述第一信道的生效时间段为预先配置或者预先约定的，长度为M1个子帧，或M2个符号，或M3个时隙，或M4个第一时间单元，或M5个微时隙；其中，M1、M2、M3、M4和M5均为大于等于1的整数，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数。
可选地，所述设定时频资源在时域上位于所述第一信道发送周期中的第一个或前K1 个符号，K1为大于等于1的整数。
可选地，所述设定时频资源在频域上位于设定的K2个子载波SC或资源单元RE或资源单元RU，K2为大于等于1的整数；其中，所述RU为在时域上占用X1个符号、频域上占用X2个SC或RE的资源区域，所述X2个SC或RE在频域上连续或不连续，X1和X2均为大于等于1的整数。
可选地，所述设定时频资源在频域上连续；或者，所述设定时频资源在频域上按照约定规则分散在系统带宽内或下行传输所对应的带宽内。
其中，所述设定时频资源在频域上按照预定颗粒度均匀分布在所述带宽内；或者，所述设定时频资源在频域上分布在所述带宽的最高频或最低频或中心频域位置。
可选地，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息，包括：所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的每个子帧中的上行传输资源和下行传输资源的分配信息；或者，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配信息，其中，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数。
其中，所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配均相同；或者，所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配各不相同；或者，所述第一信道发送周期内或所述第一信道的生效时间段内的部分第一时间单元中的上行传输资源和下行传输资源的分配相同，部分第一时间单元中的上行传输资源和下行传输资源的分配不相同。
可选地，所述上行传输资源和下行传输资源的分配信息用于指示以下符号位置中的至少两种：用于上行传输的符号，用于下行传输的符号，用作保护间隔的符号。或者，所述上行传输资源和下行传输资源的分配信息用于指示预先定义的多种上下行分配结构中的一种。
可选地，所述上行传输资源和下行传输资源的分配信息用于指示所述上行传输资源和所述下行传输资源在频域上的资源位置，所述上行传输资源和所述下行传输资源在频域上的资源位置相同或者不同，所述资源位置为在频域上占用全部或部分系统带宽的区域。
基于相同的技术构思，本申请实施例还提供了一种终端，该终端可实现前述实施例描述的终端侧的上下行资源分配流程。
参见图6，为本申请实施例提供的终端的结构示意图。该终端可包括：接收模块601，进一步地，还可包括传输模块602，其中：
接收模块601，用于根据第一信道发送周期，在所述第一信道发送周期内的设定时频资源上接收所述第一信道，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息；
传输模块602，用于根据第一信道发送周期或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配，进行数据传输。
可选地，所述第一信道发送周期为预先配置或者预先约定的，长度为N1个子帧，或N2个符号，或N3个时隙，或N4个第一时间单元，或N5个微时隙；其中，N1、N2、3、N4和N5均为大于等于1的整数，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数；和/或，所述第一信道的生效时间段为预先配置或者预先约定的，长度为M1个子帧，或M2个符号，或M3个时隙，或M4个第一时间单元，或M5个微时隙；其中，M1、M2、M3、M4和M5均为大于等于1的整数，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数。
可选地，所述设定时频资源在时域上位于所述第一信道发送周期中的第一个或前K1个符号，K1为大于等于1的整数。
可选地，所述设定时频资源在频域上位于设定的K2个子载波SC或资源单元RE或资源单元RU，K2为大于等于1的整数；其中，所述RU为在时域上占用X1个符号、频域上占用X2个SC或RE的资源区域，所述X2个SC或RE在频域上连续或不连续，X1和X2均为大于等于1的整数。
可选地，所述设定时频资源在频域上连续；或者，所述设定时频资源在频域上按照约定规则分散在系统带宽内或下行传输所对应的带宽内。
其中，所述设定时频资源在频域上按照预定颗粒度均匀分布在所述带宽内；或者，所述设定时频资源在频域上分布在所述带宽的最高频或最低频或中心频域位置。
可选地，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息，包括：所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的每个子帧中的上行传输资源和下行传输资源的分配信息；或者，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配信息，其中，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数。
其中，所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配均相同；或者，所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配 各不相同；或者，所述第一信道发送周期内或所述第一信道的生效时间段内的部分第一时间单元中的上行传输资源和下行传输资源的分配相同，部分第一时间单元中的上行传输资源和下行传输资源的分配不相同。
可选地，所述上行传输资源和下行传输资源的分配信息用于指示以下符号位置中的至少两种：用于上行传输的符号，用于下行传输的符号，用作保护间隔的符号。或者，所述上行传输资源和下行传输资源的分配信息用于指示预先定义的多种上下行分配结构中的一种。
可选地，所述上行传输资源和下行传输资源的分配信息用于指示所述上行传输资源和所述下行传输资源在频域上的资源位置，所述上行传输资源和所述下行传输资源在频域上的资源位置相同或者不同，所述资源位置为在频域上占用全部或部分系统带宽的区域。
基于相同的技术构思，本申请实施例还提供了一种基站，该基站可实现前述实施例描述的网络侧的上下行资源分配流程。
参见图7，为本申请实施例提供的基站的结构示意图。如图所示，该设备可包括：处理器701、存储器702、收发机703以及总线接口。
处理器701负责管理总线架构和通常的处理，存储器702可以存储处理器701在执行操作时所使用的数据。收发机703用于在处理器701的控制下接收和发送数据。
总线架构可以包括任意数量的互联的总线和桥，具体由处理器701代表的一个或多个处理器和存储器702代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。处理器701负责管理总线架构和通常的处理，存储器702可以存储处理器701在执行操作时所使用的数据。
本申请实施例揭示的流程，可以应用于处理器701中，或者由处理器701实现。在实现过程中，信号处理流程的各步骤可以通过处理器701中的硬件的集成逻辑电路或者软件形式的指令完成。处理器701可以是通用处理器、数字信号处理器、专用集成电路、现场可编程门阵列或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件，可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器702，处理器701读取存储器702中的信息，结合其硬件完成信号处理流程的步骤。
具体地，处理器701，用于读取存储器702中的程序，执行下列过程：
根据第一信道发送周期，在所述第一信道发送周期内的设定时频资源上传输(此处的 传输可以理解为发送)所述第一信道，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息。
可选地，所述第一信道发送周期为预先配置或者预先约定的，长度为N1个子帧，或N2个符号，或N3个时隙，或N4个第一时间单元，或N5个微时隙；其中，N1、N2、N3、N4和N5均为大于等于1的整数，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数；和/或，所述第一信道的生效时间段为预先配置或者预先约定的，长度为M1个子帧，或M2个符号，或M3个时隙，或M4个第一时间单元，或M5个微时隙；其中，M1、M2、M3、M4和M5均为大于等于1的整数，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数。
可选地，所述设定时频资源在时域上位于所述第一信道发送周期中的第一个或前K1个符号，K1为大于等于1的整数。
可选地，所述设定时频资源在频域上位于设定的K2个子载波SC或资源单元RE或资源单元RU，K2为大于等于1的整数；其中，所述RU为在时域上占用X1个符号、频域上占用X2个SC或RE的资源区域，所述X2个SC或RE在频域上连续或不连续，X1和X2均为大于等于1的整数。
可选地，所述设定时频资源在频域上连续；或者，所述设定时频资源在频域上按照约定规则分散在系统带宽内或下行传输所对应的带宽内。
其中，所述设定时频资源在频域上按照预定颗粒度均匀分布在所述带宽内；或者，所述设定时频资源在频域上分布在所述带宽的最高频或最低频或中心频域位置。
可选地，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息，包括：所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的每个子帧中的上行传输资源和下行传输资源的分配信息；或者，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配信息，其中，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数。
其中，所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配均相同；或者，所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配各不相同；或者，所述第一信道发送周期内或所述第一信道的生效时间段内的部分第一时间单元中的上行传输资源和下行传输资源的分配相同，部分第一时间单元中的上行传输资源和下行传输资源的分配不相同。
可选地，所述上行传输资源和下行传输资源的分配信息用于指示以下符号位置中的至少两种：用于上行传输的符号，用于下行传输的符号，用作保护间隔的符号。或者，所述上行传输资源和下行传输资源的分配信息用于指示预先定义的多种上下行分配结构中的一种。
可选地，所述上行传输资源和下行传输资源的分配信息用于指示所述上行传输资源和所述下行传输资源在频域上的资源位置，所述上行传输资源和所述下行传输资源在频域上的资源位置相同或者不同，所述资源位置为在频域上占用全部或部分系统带宽的区域。
可选地，处理器701还可用于：根据所述第一信道发送周期，在所述第一信道发送周期内的设定时频资源上传输所述第一信道之前，根据当前上行业务负载量和下行业务负载量，分配所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源。
基于相同的技术构思，本申请实施例还提供了一种终端，该终端可实现前述实施例描述的终端侧的上下行资源分配流程。
参见图8，为本申请实施例提供的终端的结构示意图。如图所示，该设备可包括：处理器801、存储器802、收发机803以及总线接口。
处理器801负责管理总线架构和通常的处理，存储器802可以存储处理器801在执行操作时所使用的数据。收发机803用于在处理器801的控制下接收和发送数据。
总线架构可以包括任意数量的互联的总线和桥，具体由处理器801代表的一个或多个处理器和存储器802代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。处理器801负责管理总线架构和通常的处理，存储器802可以存储处理器801在执行操作时所使用的数据。
本申请实施例揭示的流程，可以应用于处理器801中，或者由处理器801实现。在实现过程中，信号处理流程的各步骤可以通过处理器801中的硬件的集成逻辑电路或者软件形式的指令完成。处理器801可以是通用处理器、数字信号处理器、专用集成电路、现场可编程门阵列或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件，可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器802，处理器801读取存储器802中的信息，结合其硬件完成信号处理流程的步骤。
具体地，处理器801，用于读取存储器802中的程序，执行下列过程：
根据第一信道发送周期，在所述第一信道发送周期内的设定时频资源上接收所述第一信道，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息。
可选地，所述第一信道发送周期为预先配置或者预先约定的，长度为N1个子帧，或N2个符号，或N3个时隙，或N4个第一时间单元，或N5个微时隙；其中，N1、N2、N3、N4和N5均为大于等于1的整数，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数；和/或，所述第一信道的生效时间段为预先配置或者预先约定的，长度为M1个子帧，或M2个符号，或M3个时隙，或M4个第一时间单元，或M5个微时隙；其中，M1、M2、M3、M4和M5均为大于等于1的整数，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数。
可选地，所述设定时频资源在时域上位于所述第一信道发送周期中的第一个或前K1个符号，K1为大于等于1的整数。
可选地，所述设定时频资源在频域上位于设定的K2个子载波SC或资源单元RE或资源单元RU，K2为大于等于1的整数；其中，所述RU为在时域上占用X1个符号、频域上占用X2个SC或RE的资源区域，所述X2个SC或RE在频域上连续或不连续，X1和X2均为大于等于1的整数。
可选地，所述设定时频资源在频域上连续；或者，所述设定时频资源在频域上按照约定规则分散在系统带宽内或下行传输所对应的带宽内。
其中，所述设定时频资源在频域上按照预定颗粒度均匀分布在所述带宽内；或者，所述设定时频资源在频域上分布在所述带宽的最高频或最低频或中心频域位置。
可选地，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息，包括：
所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的每个子帧中的上行传输资源和下行传输资源的分配信息；或者，
所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配信息，其中，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数。
其中，所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配均相同；或者，
所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配各不相同；或者，
所述第一信道发送周期内或所述第一信道的生效时间段内的部分第一时间单元中的上行传输资源和下行传输资源的分配相同，部分第一时间单元中的上行传输资源和下行传输资源的分配不相同。
可选地，所述上行传输资源和下行传输资源的分配信息用于指示以下符号位置中的至少两种：用于上行传输的符号，用于下行传输的符号，用作保护间隔的符号。或者，所述上行传输资源和下行传输资源的分配信息用于指示预先定义的多种上下行分配结构中的一种。
可选地，所述上行传输资源和下行传输资源的分配信息用于指示所述上行传输资源和所述下行传输资源在频域上的资源位置，所述上行传输资源和所述下行传输资源在频域上的资源位置相同或者不同，所述资源位置为在频域上占用全部或部分系统带宽的区域。
本领域内的技术人员应明白，本申请的实施例可提供为方法、系统、或计算机程序产品。因此，本申请可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本申请可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本申请是参照根据本申请实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
尽管已描述了本申请的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例作出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本申请范围的所有变更和修改。
显然，本领域的技术人员可以对本申请实施例进行各种改动和变型而不脱离本申请实施例的精神和范围。这样，倘若本申请实施例的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (24)

  1. 一种上下行传输资源分配方法，其特征在于，包括：
    根据第一信道发送周期，在所述第一信道发送周期内的设定时频资源上传输所述第一信道，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息。
  2. 如权利要求1所述的方法，其特征在于，所述第一信道发送周期为预先配置或者预先约定的，长度为N1个子帧，或N2个符号，或N3个时隙，或N4个第一时间单元，或N5个微时隙；其中，N1、N2、N3、N4和N5均为大于等于1的整数，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数；
    所述第一信道的生效时间段为预先配置或者预先约定的，长度为M1个子帧，或M2个符号，或M3个时隙，或M4个第一时间单元，或M5个微时隙；其中，M1、M2、M3、M4和M5均为大于等于1的整数，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数。
  3. 如权利要求1所述的方法，其特征在于，所述设定时频资源在时域上位于所述第一信道发送周期中的第一个或前K1个符号，K1为大于等于1的整数。
  4. 如权利要求1所述的方法，其特征在于，所述设定时频资源在频域上位于设定的K2个子载波SC或资源单元RE或资源单元RU，K2为大于等于1的整数；其中，所述RU为在时域上占用X1个符号、频域上占用X2个SC或RE的资源区域，所述X2个SC或RE在频域上连续或不连续，X1和X2均为大于等于1的整数。
  5. 如权利要求1所述的方法，其特征在于，所述设定时频资源在频域上连续；或者，
    所述设定时频资源在频域上按照约定规则分散在系统带宽内或下行传输所对应的带宽内。
  6. 如权利要求5所述的方法，其特征在于，所述设定时频资源在频域上按照预定颗粒度均匀分布在所述带宽内；或者，
    所述设定时频资源在频域上分布在所述带宽的最高频或最低频或中心频域位置。
  7. 如权利要求1所述的方法，其特征在于，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息，包括：
    所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配信息，其中，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、 B3和B4均为大于等于1的整数。
  8. 如权利要求7所述的方法，其特征在于，所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配均相同；或者，
    所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配各不相同；或者，
    所述第一信道发送周期内或所述第一信道的生效时间段内的部分第一时间单元中的上行传输资源和下行传输资源的分配相同，部分第一时间单元中的上行传输资源和下行传输资源的分配不相同。
  9. 如权利要求1所述的方法，其特征在于，所述上行传输资源和下行传输资源的分配信息用于指示以下符号位置中的至少两种：
    用于上行传输的符号；
    用于下行传输的符号；
    用作保护间隔的符号；
    或者，所述上行传输资源和下行传输资源的分配信息用于指示预先定义的多种上下行分配结构中的一种。
  10. 如权利要求1至9中任一项所述的方法，其特征在于，所述上行传输资源和下行传输资源的分配信息用于指示所述上行传输资源和所述下行传输资源在频域上的资源位置。
  11. 如权利要求1至9中任一项所述的方法，其特征在于，根据所述第一信道发送周期，在所述第一信道发送周期内的设定时频资源上传输所述第一信道之前，还包括：
    根据当前上行业务负载量和下行业务负载量，分配所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源。
  12. 一种上下行传输资源分配装置，其特征在于，包括：
    用于根据第一信道发送周期，在所述第一信道发送周期内的设定时频资源上传输所述第一信道的模块，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息。
  13. 如权利要求12所述的装置，其特征在于，所述第一信道发送周期为预先配置或者预先约定的，长度为N1个子帧，或N2个符号，或N3个时隙，或N4个第一时间单元，或N5个微时隙；其中，N1、N2、N3、N4和N5均为大于等于1的整数，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数；
    所述第一信道的生效时间段为预先配置或者预先约定的，长度为M1个子帧，或M2个 符号，或M3个时隙，或M4个第一时间单元，或M5个微时隙；其中，M1、M2、M3、M4和M5均为大于等于1的整数，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数。
  14. 如权利要求12所述的装置，其特征在于，所述设定时频资源在时域上位于所述第一信道发送周期中的第一个或前K1个符号，K1为大于等于1的整数。
  15. 如权利要求12所述的装置，其特征在于，所述设定时频资源在频域上位于设定的K2个子载波SC或资源单元RE或资源单元RU，K2为大于等于1的整数；其中，所述RU为在时域上占用X1个符号、频域上占用X2个SC或RE的资源区域，所述X2个SC或RE在频域上连续或不连续，X1和X2均为大于等于1的整数。
  16. 如权利要求12所述的装置，其特征在于，所述设定时频资源在频域上连续；或者，
    所述设定时频资源在频域上按照约定规则分散在系统带宽内或下行传输所对应的带宽内。
  17. 如权利要求16所述的装置，其特征在于，所述设定时频资源在频域上按照预定颗粒度均匀分布在所述带宽内；或者，
    所述设定时频资源在频域上分布在所述带宽的最高频或最低频或中心频域位置。
  18. 如权利要求12所述的装置，其特征在于，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息，包括：
    所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配信息，其中，所述第一时间单元的长度预先定义为B1个子帧或B2个符号或B3个时隙或B4个微时隙，B1、B2、B3和B4均为大于等于1的整数。
  19. 如权利要求18所述的装置，其特征在于，所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配均相同；或者，
    所述第一信道发送周期内或所述第一信道的生效时间段内的每个第一时间单元中的上行传输资源和下行传输资源的分配各不相同；或者，
    所述第一信道发送周期内或所述第一信道的生效时间段内的部分第一时间单元中的上行传输资源和下行传输资源的分配相同，部分第一时间单元中的上行传输资源和下行传输资源的分配不相同。
  20. 如权利要求12所述的装置，其特征在于，所述上行传输资源和下行传输资源的分配信息用于指示以下符号位置中的至少两种：
    用于上行传输的符号；
    用于下行传输的符号；
    用作保护间隔的符号；
    或者，所述上行传输资源和下行传输资源的分配信息用于指示预先定义的多种上下行分配结构中的一种。
  21. 如权利要求12至20中任一项所述的装置，其特征在于，所述上行传输资源和下行传输资源的分配信息用于指示所述上行传输资源和所述下行传输资源在频域上的资源位置。
  22. 如权利要求12至20中任一项所述的装置，其特征在于，还包括：
    分配模块，用于在根据所述第一信道发送周期，在所述第一信道发送周期内的设定时频资源上传输所述第一信道之前，根据当前上行业务负载量和下行业务负载量，分配所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源。
  23. 如权利要求12至20中任一项所述的装置，其特征在于，所述装置为基站或终端。
  24. 一种上下行传输资源分配装置，其特征在于，包括：处理器、存储器、收发机以及总线接口；
    所述处理器，用于读取存储器中的程序，执行下列过程：
    根据第一信道发送周期，在所述第一信道发送周期内的设定时频资源上传输所述第一信道，所述第一信道至少用于通知所述第一信道发送周期内或所述第一信道的生效时间段内的上行传输资源和下行传输资源的分配信息。
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