WO2018023906A1 - 通信方法及通信装置 - Google Patents

通信方法及通信装置 Download PDF

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Publication number
WO2018023906A1
WO2018023906A1 PCT/CN2016/107954 CN2016107954W WO2018023906A1 WO 2018023906 A1 WO2018023906 A1 WO 2018023906A1 CN 2016107954 W CN2016107954 W CN 2016107954W WO 2018023906 A1 WO2018023906 A1 WO 2018023906A1
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Prior art keywords
bandwidth
downlink
uplink
transmission
reference signal
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English (en)
French (fr)
Inventor
李明菊
朱亚军
张云飞
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/563—Allocation or scheduling criteria for wireless resources based on priority criteria of the wireless resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a communication method and a communication device.
  • the existing 4G and 4.5G mobile communication technologies are based on LTE (Long Term Evolution) and LTE-A (LTE-Advanced) radio access technologies, time-frequency resource granularity and frame structure.
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution-Advanced
  • frame structure mainly includes: FDD (Frequency Division Duplexing) frame structure, TDD (Time Division Duplexing) frame structure, and LAA (LTE Assisted Access) unlicensed carrier.
  • FDD Frequency Division Duplexing
  • TDD Time Division Duplexing
  • LAA LTE Assisted Access
  • each subframe is 1 ms
  • each subframe contains two slots
  • one slot is 0.5 ms
  • each slot contains 7 symbols.
  • the subcarrier spacing is mainly 15 kHz
  • one RB Resource Block
  • a new 3.75KHz subcarrier spacing is proposed in the NB-IoT (Narrow Band Internet of Things), and the carrier bandwidth of NB-IoT is only 180KHz.
  • both the FDD frame structure and the TDD frame structure use the 1 ms subframe as the time domain scheduling granularity, except for the DwPTS (Downlink Pilot Time Slot) in the special subframe in the TDD frame structure.
  • the time domain scheduling granularity is less than 1ms.
  • the downlink scheduling time domain granularity of multiplexing the DwPTS as the partial subframe also occurs, and the scheduling granularity of the 1 ms entire subframe is also used.
  • the other subframes are uplink transmission or downlink transmission or time domain separation or frequency domain separation. .
  • the current frame structure and the granularity of the frequency domain resources make the resource allocation not flexible enough, and the time interval between the uplink scheduling mechanism and the HARQ feedback mechanism causes a large delay, and the 20 MHz bandwidth does not satisfy the high bandwidth requirement.
  • the main scenarios of future 5G communication include the following three types: eMBB (enhanced Mobile Broadband), mMTC (massive machine type communication) and URLLC (Ultra-Reliable and Low Latency Communications). Delay communication).
  • the three types of scenarios are different for the type of business, and the requirements are different.
  • the two main indicators of the eMBB service are high bandwidth and low latency.
  • the eMBB service may support a large bandwidth of 100 MHz, and it is likely that the entire bandwidth is directly allocated to one user at a certain time.
  • the uplink scheduling delay and the HARQ feedback delay also have delay effects; the mMTC service requires a narrowband service and requires a long battery life. This service requires a smaller granularity of the frequency domain and a wider granularity of the time domain.
  • the URLLC service it is also necessary to reduce the delay caused by the uplink scheduling delay and the HARQ feedback delay.
  • the current fixed frame structure, the fixed frequency domain resource granularity, and the time domain resource granularity may cause a large uplink scheduling delay and a long HARQ feedback delay, and a smaller carrier.
  • Bandwidth can't meet the diversified needs of the business, and the future 5G communication hopes to be flexible enough, any resource can be dynamically scheduled for use at any time, and these are technical problems to be solved.
  • the present invention is based on at least one of the above technical problems, and proposes a new communication scheme, which can flexibly configure the position and number of uplink subframes in a radio frame according to an actual communication scenario, thereby improving resource scheduling.
  • a communication method including: configuring a radio frame that uses a downlink subframe as a start subframe; and transmitting scheduling signaling on the downlink subframe to An uplink subframe configured for uplink transmission is configured in the radio frame.
  • a downlink subframe as a radio frame of a start subframe, and transmitting scheduling signaling on the downlink subframe, to configure an uplink subframe for performing uplink transmission in the radio frame, so that
  • the location and number of uplink subframes in the radio frame can be flexibly configured according to actual communication scenarios (such as the type of communication service, uplink and downlink traffic, etc.), so that the base station and the terminal can be flexible.
  • the configured radio frame structure is used for communication, which avoids a large uplink scheduling delay and a long HARQ feedback delay caused by a fixed frame structure, and can improve resource scheduling flexibility and meet services in a 5G communication scenario. Demand is conducive to improving resource utilization.
  • the communication method further includes: configuring a periodic uplink subframe in the radio frame, where the periodic uplink subframe is used to transmit at least an uplink reference signal and/or a random Access preamble (ie, Random Access Preamble) and/or uplink scheduling request and/or cache status report.
  • a random Access preamble ie, Random Access Preamble
  • each The send window contains multiple times of transmission, as long as it is sent once at any one of the sending times.
  • the communication method further includes: configuring a first bandwidth and a second bandwidth that are used in pairs in a carrier aggregation manner, and the size of the first bandwidth and the second bandwidth The same and different frequency points, the first bandwidth and the second bandwidth can be used for uplink transmission and downlink transmission, wherein the first bandwidth is used for downlink transmission with higher priority than for uplink transmission.
  • the second bandwidth is used for uplink transmissions with higher priority than for downlink transmission.
  • the first bandwidth and the second bandwidth used in pairs may be bandwidths used in a conventional LTE FDD system, that is, the communication method proposed by the present invention can be compatible with a legacy LTE FDD system.
  • the first bandwidth and the second bandwidth can be flexibly scheduled according to actual communication scenarios, such as the type of communication service, uplink and downlink traffic, and the like.
  • the transmission of the corresponding service is beneficial to improve the efficiency of the spectrum, and solves the problem that the paired bandwidth in the traditional LTE FDD system can only be used for uplink and another user to downlink, resulting in low spectrum efficiency.
  • the communication method further includes: scheduling the second bandwidth to assist downlink transmission when the first bandwidth is insufficient to provide downlink transmission; and insufficient in the second bandwidth To provide uplink transmission, the first bandwidth is scheduled to assist in uplink transmission.
  • the second bandwidth is scheduled to assist the downlink transmission
  • the first bandwidth is scheduled to assist the uplink transmission
  • the communication method further includes: configuring the first bandwidth to be used by the first cell to form a downlink primary cell based on the first bandwidth, and configuring the second bandwidth Used by the second cell to form an uplink primary cell based on the second bandwidth; the system information of the downlink primary cell indicates the bandwidth value of the downlink primary cell, and the downlink primary cell passes the RRC (Radio Resource) Control, Radio Resource Control) signaling indicates the bandwidth value of the uplink primary cell.
  • RRC Radio Resource
  • Radio Resource Control Radio Resource Control
  • the bandwidth value of the downlink primary cell is indicated by a MIB (Master Information Block) in the system information of the downlink primary cell.
  • MIB Master Information Block
  • the transmission period of the downlink reference signal in the downlink primary cell is less than or equal to the transmission period of the downlink reference signal in the uplink primary cell; and the uplink reference signal in the uplink primary cell.
  • the transmission period is less than or equal to the transmission period of the uplink reference signal in the downlink primary cell.
  • the downlink reference signal in the downlink primary cell is used.
  • the transmission period is less than or equal to the transmission period of the downlink reference signal in the uplink primary cell; conversely, since the uplink primary cell is used for the uplink priority is higher than the downlink primary cell is used as the uplink priority, and the reference signal is used for The channel quality detection is performed, so the transmission period of the uplink reference signal in the uplink primary cell is less than or equal to the transmission period of the uplink reference signal in the downlink primary cell.
  • the communication method further includes: configuring a pairwise used bandwidth in the communication system to use the first bandwidth and the second bandwidth independently, the first bandwidth and the first
  • the second bandwidth can be used for uplink transmission and downlink transmission, and the priority of the first bandwidth for downlink transmission is higher than or equal to the priority for uplink transmission, and the second bandwidth is used for priority of uplink transmission.
  • the first bandwidth and the second bandwidth are allocated to two different cells, and the two different cells respectively indicate their own bandwidth values by using their own system information. .
  • the bandwidth used in the communication system is the bandwidth used in the traditional LTE FDD system, that is, the communication method proposed by the present invention can be compatible with the traditional LTE FDD system, and specifically can be used in the traditional LTE TDD system.
  • the bandwidth is allocated to different users of different cells and used separately.
  • the communication method further includes: multiplexing a downlink reference signal in the LTE system to identify the cell identity; or defining a new reference signal for identifying the cell identity.
  • the downlink reference signal in the LTE system may be multiplexed, including: PSS (Primary Synchronization Signal), SSS (Secondary Synchronization Signal) Signal), CRS (Common Reference Signal), CSI-RS (Channel State Information Reference Signal), but the time domain resources and/or frequency domain resources of these reference credits may be changed.
  • PSS/SSS sends at the same time but uses different frequency domain resources, which can speed up the downlink synchronization process.
  • a new reference signal can be defined.
  • the new reference signal does not need PSS/SSS, but a signal can be used to indicate the identity of the cell, without requiring the PSS and the SSS to jointly indicate the cell identity, and the PSS is not needed.
  • the relative position of the /SSS is to indicate whether it is an FDD system or a TDD system, because the communication scheme proposed by the present invention unifies the FDD system and the TDD system.
  • the communication method further includes: transmitting, by using a resource block that is consecutive in the frequency domain, the downlink reference signal or the one of the downlink reference signal or the system information.
  • System information or transmitting, in a transmission period of the downlink reference signal or the system information, the downlink reference signal or the system information by resource blocks uniformly distributed in the frequency domain or uniformly distributed over part of the bandwidth; The location of the resource block transmitting the downlink reference signal or the system information does not change or changes regularly during different transmission periods.
  • each transmission window in each transmission period of the downlink reference signal, and each transmission window includes multiple transmission times, which may be sent once at any one transmission time.
  • the communication method further includes: adding identifier information to the generated system information, where the identifier information is used to indicate that the communication system adopts a dynamic subframe configuration.
  • the communication system can be identified by adopting a new subframe configuration.
  • the identification can be performed in the form of an IE (Information Element).
  • a communication apparatus comprising: a configuration unit configured to configure a radio frame with a downlink subframe as a start subframe; and a sending unit configured to send on the downlink subframe Scheduling signaling to configure an uplink subframe for uplink transmission in the radio frame.
  • a downlink subframe as a radio frame of a start subframe, and transmitting scheduling signaling on the downlink subframe, to configure an uplink subframe for performing uplink transmission in the radio frame, so that
  • the location and number of uplink subframes in the radio frame can be flexibly configured according to actual communication scenarios (such as the type of communication service, uplink and downlink traffic, etc.), so that the base station and the terminal can be flexible.
  • the configured radio frame structure is used for communication, which avoids a large uplink scheduling delay and a long HARQ feedback delay caused by a fixed frame structure, and can improve resource scheduling flexibility and meet services in a 5G communication scenario. Demand is conducive to improving resource utilization.
  • the configuration unit is further configured to: configure a periodic uplink subframe in the radio frame, where the periodic uplink subframe is used to transmit at least an uplink reference signal and/or a random Access preamble and/or uplink scheduling request and/or cache status report.
  • each The send window contains multiple times of transmission, as long as it is sent once at any one of the sending times.
  • the configuring unit is further configured to: configure a first bandwidth and a second bandwidth that are used in pairs in a carrier aggregation manner, and the size of the first bandwidth and the second bandwidth The same and different frequency points, the first bandwidth and the second bandwidth can be used for uplink transmission and downlink transmission, wherein the first bandwidth is used for downlink transmission with higher priority than for uplink transmission.
  • the second bandwidth is used for uplink transmissions with higher priority than for downlink transmission.
  • the first bandwidth and the second bandwidth used in pairs may be bandwidths used in a conventional LTE FDD system, that is, the communication method proposed by the present invention can be compatible with a legacy LTE FDD system.
  • the first bandwidth and the second bandwidth can be flexibly scheduled according to actual communication scenarios, such as the type of communication service, uplink and downlink traffic, and the like.
  • the transmission of the corresponding service is beneficial to improve the efficiency of the spectrum, and solves the problem that the paired bandwidth in the traditional LTE FDD system can only be used for uplink and another user to downlink, resulting in low spectrum efficiency.
  • the communication device further includes: a scheduling unit, configured to: when the first bandwidth is insufficient to provide downlink transmission, schedule the second bandwidth to assist downlink transmission, and set When the second bandwidth is insufficient to provide uplink transmission, the first bandwidth is scheduled to assist in uplink transmission.
  • a scheduling unit configured to: when the first bandwidth is insufficient to provide downlink transmission, schedule the second bandwidth to assist downlink transmission, and set When the second bandwidth is insufficient to provide uplink transmission, the first bandwidth is scheduled to assist in uplink transmission.
  • the second bandwidth is scheduled to assist the downlink transmission
  • the first bandwidth is scheduled to assist the uplink transmission
  • the configuration unit is further configured to configure the first bandwidth to be used by the first cell to form a downlink primary cell based on the first bandwidth, and configure the second bandwidth
  • the second cell is used to form an uplink primary cell based on the second bandwidth
  • the communication device further includes: an indication unit, configured to indicate, by using system information of the downlink primary cell, a bandwidth value of the downlink primary cell, And indicating, by the downlink primary cell, a bandwidth value of the uplink primary cell by using RRC signaling.
  • the bandwidth value of the downlink primary cell is indicated by the MIB in the system information of the downlink primary cell.
  • the transmission period of the downlink reference signal in the downlink primary cell is less than or equal to the transmission period of the downlink reference signal in the uplink primary cell; and the uplink reference signal in the uplink primary cell.
  • the transmission period is less than or equal to the transmission period of the uplink reference signal in the downlink primary cell.
  • the downlink reference signal in the downlink primary cell is used.
  • the transmission period is less than or equal to the transmission period of the downlink reference signal in the uplink primary cell; conversely, since the uplink primary cell is used for the uplink priority is higher than the downlink primary cell is used as the uplink priority, and the reference signal is used for The channel quality detection is performed, so the transmission period of the uplink reference signal in the uplink primary cell is less than or equal to the transmission period of the uplink reference signal in the downlink primary cell.
  • the configuration unit is further configured to: configure a bandwidth used in pairs in the communication system as a first bandwidth and a second bandwidth that are used independently, the first bandwidth and the first
  • the second bandwidth can be used for uplink transmission and downlink transmission, and the priority of the first bandwidth for downlink transmission is higher than or equal to the priority for uplink transmission, and the second bandwidth is used for priority of uplink transmission. Or equal to the priority for downlink transmission, and used to allocate the first bandwidth and the second bandwidth to two different cell uses, where the two different cells respectively indicate by their own system information Its own bandwidth value.
  • the bandwidth used in the communication system is the bandwidth used in the traditional LTE FDD system, that is, the communication method proposed by the present invention can be compatible with the traditional LTE FDD system, and specifically can be used in the traditional LTE TDD system.
  • the bandwidth is allocated to different users of different cells and used separately.
  • the downlink reference signal in the LTE system is multiplexed to identify the cell identity; or a new reference signal for identifying the cell identity is defined.
  • the downlink reference signals in the LTE system may be multiplexed, including: PSS, SSS, CRS, CSI-RS, but the time domain of the transmission of these reference credits Resources and/or frequency domain resources may vary, such as PSS/SSS transmitting simultaneously but using different frequency domain resources, which can speed up the downlink synchronization process.
  • a new reference signal can be defined.
  • the new reference signal does not need PSS/SSS, but a signal can be used to indicate the identity of the cell, without requiring the PSS and the SSS to jointly indicate the cell identity, and the PSS is not needed.
  • the relative position of the /SSS is to indicate whether it is an FDD system or a TDD system, because the communication scheme proposed by the present invention unifies the FDD system and the TDD system.
  • the communication device further includes: a transmission unit configured to transmit the downlink by using a continuous resource block in a frequency domain during a transmission period of the downlink reference signal or the system information. Transmitting the downlink reference signal or the resource block in a frequency domain uniformly distributed over the entire bandwidth or evenly distributed over a part of the bandwidth in a transmission period of the downlink reference signal or the system information, or in a transmission period of the downlink reference signal or the system information System information; wherein the location of the resource block transmitting the downlink reference signal or the system information does not change or changes regularly during different transmission periods.
  • each transmission window in each transmission period of the downlink reference signal, and each transmission window includes multiple transmission times, which may be sent once at any one transmission time.
  • the communication device further includes: a processing unit configured to add identification information to the generated system information, the identification information being used to indicate that the communication system adopts a dynamic subframe configuration.
  • the communication system can be identified by adopting a new subframe configuration. Specifically, the identification can be performed in the form of IE.
  • the above technical solution can flexibly configure the position and number of uplink subframes in the radio frame according to the actual communication scenario, improve the flexibility of resource scheduling, and meet the service requirements in the 5G communication scenario.
  • FIG. 1 shows a schematic flow chart of a communication method according to an embodiment of the present invention
  • Figure 2 shows a schematic block diagram of a communication device in accordance with a first embodiment of the present invention
  • FIG. 3 is a schematic diagram showing the location of a resource block for transmitting a basic reference signal according to the first embodiment of the present invention
  • FIG. 4 is a schematic diagram showing the location of a resource block for transmitting a basic reference signal according to a second embodiment of the present invention
  • Fig. 5 shows a schematic block diagram of a communication device in accordance with a second embodiment of the present invention.
  • FIG. 1 shows a schematic flow chart of a communication method in accordance with an embodiment of the present invention.
  • a communication method includes:
  • Step S10 configuring a downlink subframe as a radio frame of the starting subframe.
  • Step S12 Send scheduling signaling on the downlink subframe to configure an uplink subframe for performing uplink transmission in the radio frame.
  • the downlink subframe is configured as a radio frame of the start subframe, and scheduling signaling is sent on the downlink subframe to configure an uplink subframe for performing uplink transmission in the radio frame.
  • the frame is configured to flexibly configure the position and number of uplink subframes in the radio frame according to an actual communication scenario (such as the type of communication service, uplink and downlink traffic, etc.), thereby enabling the base station to
  • the terminal can communicate based on the flexible configuration of the radio frame structure, avoiding a large frame scheduling delay and a long HARQ feedback delay caused by a fixed frame structure, and can improve resource scheduling flexibility and satisfy 5G communication.
  • the business needs in the scenario are conducive to improving resource utilization.
  • the communication method further includes: configuring a periodic uplink subframe in the radio frame, where the periodic uplink subframe is used to transmit at least an uplink reference signal and/or a random access preamble and/or Or an upstream scheduling request and/or a cache status report.
  • each The send window contains multiple times of transmission, as long as it is sent once at any one of the sending times.
  • the method further includes: multiplexing a downlink reference signal in an LTE system to identify a cell identity; or defining a new one for performing cell identity.
  • the reference signal for the identification is not limited to: multiplexing a downlink reference signal in an LTE system to identify a cell identity; or defining a new one for performing cell identity.
  • the downlink reference signals in the LTE system may be multiplexed, including: PSS, SSS, CRS, CSI-RS, but the time domain of the transmission of these reference credits Resources and/or frequency domain resources may vary, such as PSS/SSS transmitting simultaneously but using different frequency domain resources, which can speed up the downlink synchronization process.
  • a new reference signal can be defined.
  • the new reference signal does not need PSS/SSS, but a signal can be used to indicate the identity of the cell, without requiring the PSS and the SSS to jointly indicate the cell identity, and the PSS is not needed.
  • the relative position of the /SSS is to indicate whether it is an FDD system or a TDD system, because the communication scheme proposed by the present invention unifies the FDD system and the TDD system.
  • the communication method further includes: transmitting, by using a resource block that is consecutive in the frequency domain, the downlink reference signal or the system information in a transmission period of the downlink reference signal or the system information; Or transmitting, in a transmission period of the downlink reference signal or the system information, the downlink reference signal or the system information by a resource block uniformly distributed in the frequency domain or evenly distributed over a part of the bandwidth; wherein, the transmission station The location of the resource block of the downlink reference signal or the system information does not change or changes regularly during different transmission periods.
  • each transmission window in each transmission period of the downlink reference signal, and each transmission window includes multiple transmission times, which may be sent once at any one transmission time.
  • the communication method further includes: adding identifier information to the generated system information, where the identifier information is used to indicate that the communication system adopts a dynamic subframe configuration.
  • the communication system can be identified by adopting a new subframe configuration. Specifically, the identification can be performed in the form of IE.
  • the present invention proposes the following scheme:
  • the foregoing communication method further includes: configuring a first bandwidth and a second bandwidth that are used in pairs in a carrier aggregation manner, where the first bandwidth and the second bandwidth are the same and the frequency points are different, the first bandwidth and The second bandwidth can be used for uplink transmission and downlink transmission, where the first bandwidth is used for downlink transmission with higher priority than for uplink transmission, and the second bandwidth is used for uplink transmission priority.
  • the level is higher than the priority for downlink transmission.
  • the first bandwidth and the second bandwidth used in pairs may be bandwidths used in a conventional LTE FDD system, that is, the communication method proposed by the present invention can be compatible with a legacy LTE FDD system.
  • the first bandwidth and the second bandwidth can be flexibly scheduled according to actual communication scenarios, such as the type of communication service, uplink and downlink traffic, and the like.
  • the transmission of the corresponding service is beneficial to improve the efficiency of the spectrum, and solves the problem that the paired bandwidth in the traditional LTE FDD system can only be used for uplink and another user to downlink, resulting in low spectrum efficiency.
  • scheduling the second bandwidth to assist downlink transmission when the first bandwidth is insufficient to provide downlink transmission, scheduling the second bandwidth to assist downlink transmission; and when the second bandwidth is insufficient to provide uplink transmission, scheduling the first bandwidth to assist Perform uplink transmission.
  • the second bandwidth is scheduled to assist the downlink transmission
  • the first bandwidth is scheduled to assist the uplink transmission
  • the communication method further includes: configuring the first bandwidth to be used by the first cell to form a downlink primary cell based on the first bandwidth, and configuring the second bandwidth to be used by the second cell,
  • the uplink primary cell that is based on the second bandwidth is formed; the system information of the downlink primary cell indicates the bandwidth value of the downlink primary cell, and the downlink primary cell indicates the uplink primary cell by using RRC signaling. Bandwidth value.
  • the bandwidth value of the downlink primary cell is indicated by the MIB in the system information of the downlink primary cell.
  • the transmission period of the downlink reference signal in the downlink primary cell is less than or equal to the transmission period of the downlink reference signal in the uplink primary cell; and the uplink reference signal in the uplink primary cell.
  • the transmission period is less than or equal to the transmission period of the uplink reference signal in the downlink primary cell.
  • the downlink reference signal in the downlink primary cell is used.
  • the transmission period is less than or equal to the transmission period of the downlink reference signal in the uplink primary cell; conversely, since the uplink primary cell is used for the uplink priority is higher than the downlink primary cell is used as the uplink priority, and the reference signal is used for The channel quality detection is performed, so the transmission period of the uplink reference signal in the uplink primary cell is less than or equal to the transmission period of the uplink reference signal in the downlink primary cell.
  • the foregoing communication method further includes: configuring a bandwidth used in pairs in the communication system as a first bandwidth and a second bandwidth that are used independently, and the first bandwidth and the second bandwidth are both used for uplink transmission and downlink transmission, And the priority of the first bandwidth for the downlink transmission is higher than or equal to the priority for the uplink transmission, and the priority of the second bandwidth for the uplink transmission is higher than or equal to the priority for the downlink transmission;
  • the first bandwidth and the second bandwidth are allocated to two different cells, and the two different cells respectively indicate their own bandwidth values through their own system information.
  • the bandwidth used in the communication system is the bandwidth used in the traditional LTE FDD system, that is, the communication method proposed by the present invention can be compatible with the traditional LTE FDD system, and specifically can be used in the traditional LTE TDD system.
  • the bandwidth is allocated to different users of different cells and used separately.
  • Fig. 2 shows a schematic block diagram of a communication device in accordance with a first embodiment of the present invention.
  • a communication device 200 includes a configuration unit 202 and a transmitting unit 204.
  • the configuration unit 202 is configured to configure a radio frame with the downlink subframe as the starting subframe.
  • the sending unit 204 is configured to send scheduling signaling on the downlink subframe, where the radio frame is configured to perform uplink.
  • the uplink subframe transmitted.
  • a downlink subframe as a radio frame of a start subframe, and transmitting scheduling signaling on the downlink subframe, to configure an uplink subframe for performing uplink transmission in the radio frame, so that
  • the location and number of uplink subframes in the radio frame can be flexibly configured according to actual communication scenarios (such as the type of communication service, uplink and downlink traffic, etc.), so that the base station and the terminal can be flexible.
  • the configured radio frame structure is used for communication, which avoids a large uplink scheduling delay and a long HARQ feedback delay caused by a fixed frame structure, and can improve resource scheduling flexibility and meet services in a 5G communication scenario. Demand is conducive to improving resource utilization.
  • the configuration unit 202 is further configured to: configure a periodic uplink subframe in the radio frame, where the periodic uplink subframe is used to transmit at least an uplink reference signal and/or Random access preamble and/or uplink scheduling request and/or buffer status report.
  • each The send window contains multiple times of transmission, as long as it is sent once at any one of the sending times.
  • the configuration unit 202 is further configured to: configure a first bandwidth and a second bandwidth that are used in pairs in a carrier aggregation manner, where the first bandwidth and the second bandwidth are The first bandwidth and the second bandwidth are both used for uplink transmission and downlink transmission, wherein the first bandwidth is used for downlink transmissions with higher priority than for uplink transmission.
  • the priority of the second bandwidth for uplink transmission is higher than the priority for downlink transmission.
  • the first bandwidth and the second bandwidth used in pairs may be bandwidths used in a conventional LTE FDD system, that is, the communication method proposed by the present invention can be compatible with a legacy LTE FDD system.
  • the first bandwidth and the second bandwidth can be flexibly scheduled according to actual communication scenarios, such as the type of communication service, uplink and downlink traffic, and the like.
  • the transmission of the corresponding service is beneficial to improve the efficiency of the spectrum, and solves the problem that the paired bandwidth in the traditional LTE FDD system can only be used for uplink and another user to downlink, resulting in low spectrum efficiency.
  • the communication device 200 further includes: a scheduling unit 206, configured to schedule the second bandwidth to assist in downlink transmission when the first bandwidth is insufficient to provide downlink transmission, and The first bandwidth is scheduled to assist in uplink transmission when the second bandwidth is insufficient to provide uplink transmission.
  • a scheduling unit 206 configured to schedule the second bandwidth to assist in downlink transmission when the first bandwidth is insufficient to provide downlink transmission, and The first bandwidth is scheduled to assist in uplink transmission when the second bandwidth is insufficient to provide uplink transmission.
  • the second bandwidth is scheduled to assist the downlink transmission
  • the first bandwidth is scheduled to assist the uplink transmission
  • the configuration unit 202 is further configured to configure the first bandwidth to be used by the first cell to form a downlink primary cell based on the first bandwidth, and the second bandwidth is used.
  • the configuration is used by the second cell to form an uplink primary cell based on the second bandwidth.
  • the communication device 200 further includes: an instructing unit 208, configured to indicate, by using system information of the downlink primary cell, the downlink primary cell. a bandwidth value, and the downlink primary cell indicates the bandwidth value of the uplink primary cell by using RRC signaling.
  • the bandwidth value of the downlink primary cell is indicated by the MIB in the system information of the downlink primary cell.
  • the transmission period of the downlink reference signal in the downlink primary cell is less than or equal to the transmission period of the downlink reference signal in the uplink primary cell; and the uplink reference signal in the uplink primary cell.
  • the transmission period is less than or equal to the transmission period of the uplink reference signal in the downlink primary cell.
  • the downlink reference signal in the downlink primary cell is used.
  • the transmission period is less than or equal to the transmission period of the downlink reference signal in the uplink primary cell; conversely, since the uplink primary cell is used for the uplink priority is higher than the downlink primary cell is used as the uplink priority, and the reference signal is used for The channel quality detection is performed, so the transmission period of the uplink reference signal in the uplink primary cell is less than or equal to the transmission period of the uplink reference signal in the downlink primary cell.
  • the configuration unit 202 is further configured to: configure, in a communication system, a pair of used bandwidths into a first bandwidth and a second bandwidth that are used independently, the first bandwidth and the The second bandwidth can be used for uplink transmission and downlink transmission, and the priority of the first bandwidth for downlink transmission is higher than or equal to the priority for uplink transmission, and the second bandwidth is used for priority of uplink transmission. Higher than or equal to the priority for downlink transmission, and used to allocate the first bandwidth and the second bandwidth to two different cell uses, wherein the two different cells respectively pass their own system information Indicates its own bandwidth value.
  • the bandwidth used in the communication system is the bandwidth used in the traditional LTE FDD system, that is, the communication method proposed by the present invention can be compatible with the traditional LTE FDD system, and specifically can be used in the traditional LTE TDD system.
  • the bandwidth is allocated to different users of different cells and used separately.
  • the downlink reference signal in the LTE system is multiplexed to identify the cell identity; or a new reference signal for identifying the cell identity is defined.
  • the downlink reference signals in the LTE system may be multiplexed, including: PSS, SSS, CRS, CSI-RS, but the time domain of the transmission of these reference credits Resources and/or frequency domain resources may vary, such as PSS/SSS transmitting simultaneously but using different frequency domain resources, which can speed up the downlink synchronization process.
  • a new reference signal can be defined.
  • the new reference signal does not need PSS/SSS, but a signal can be used to indicate the identity of the cell, without requiring the PSS and the SSS to jointly indicate the cell identity, and the PSS is not needed.
  • the relative position of the /SSS is to indicate whether it is an FDD system or a TDD system, because the communication scheme proposed by the present invention unifies the FDD system and the TDD system.
  • the communication device 200 further includes: a transmission unit 210 configured to transmit the downlink by a continuous resource block in a frequency domain during a transmission period of the downlink reference signal or system information. Transmitting the downlink reference signal or the resource block in a frequency domain uniformly distributed over the entire bandwidth or evenly distributed over a part of the bandwidth in a transmission period of the downlink reference signal or the system information, or in a transmission period of the downlink reference signal or the system information System information; wherein the location of the resource block transmitting the downlink reference signal or the system information does not change or changes regularly during different transmission periods.
  • each transmission window in each transmission period of the downlink reference signal, and each transmission window includes multiple transmission times, which may be sent once at any one transmission time.
  • the communication device 200 further includes: a processing unit 212 configured to add identification information to the generated system information, the identification information being used to indicate that the communication system adopts a dynamic subframe configuration.
  • the communication system can be identified by adopting a new subframe configuration. Specifically, the identification can be performed in the form of IE.
  • the technical solution of the present invention is mainly for a fixed frame structure, a fixed frequency domain resource granularity, and a time domain resource granularity, which may cause a large uplink scheduling delay and a long HARQ feedback delay, and a smaller carrier.
  • the technical problem that the bandwidth cannot meet the diversified needs of the service and a technical solution suitable for the 5G communication scenario is proposed, which specifically includes the following aspects:
  • the frame structure adopted by the 5G NR may adopt a dynamic frame structure. Specifically, the subframe in the radio frame starts with the following downlink subframe by default, and the uplink subframe is determined and triggered by the base station through DCI scheduling signaling. The subframe in the radio frame starts with the following downlink subframe.
  • the downlink subframe here may be one or more complete downlink subframes, or only a part of a complete downlink subframe, that is, a certain subframe. Only the first half of the frame is used for downstream transmission.
  • a part of the periodically appearing subframes can be configured as an uplink subframe.
  • the uplink subframes are used to send the uplink reference signal SRS (Sounding Reference Signal, channel sounding reference signal) and/or uplink scheduling.
  • Request ie, Scheduling Request
  • Buffer Status Report or Buffer Status Report
  • random access preamble ie, Scheduling Request
  • each The send window contains multiple transmission times, as long as it is sent once in any one transmission time.
  • the present invention proposes the following two methods of use:
  • the paired bandwidth in the legacy LTE FDD system can be reused, or the new paired used bandwidth can be configured.
  • the paired bandwidth is the same size, but the frequency is different.
  • LTE_DL_BW a segment of bandwidth is used only for uplink
  • LTE_UL_BW a segment of bandwidth is used only for uplink
  • the traditional bandwidth for downlink can be used for downlink and uplink
  • the traditional bandwidth for uplink can also be used for uplink and downlink.
  • the conventional bandwidth for uplink is scheduled to be used for downlink transmission.
  • the conventional bandwidth for downlink is scheduled to be used for uplink transmission only when the legacy bandwidth for uplink (ie, LTE_UL_BW) is insufficient to provide uplink transmission.
  • the two segments of the LTE_DL_BW and the LTE_UL_BW can be configured to be used for carrier aggregation by two independent unpaired carriers.
  • the traditional downlink carrier is configured as a downlink PCell (Primary Cell primary cell), and the conventional uplink carrier is configured as an uplink PCell, that is, the uplink and downlink are separated.
  • the paired bandwidths When the paired bandwidths are not used together, the paired bandwidths can be completely separated and distributed to different users, so that each user can only detect the uplink carrier frequency or the downlink carrier frequency in the paired bandwidth at the same time, then the user works.
  • the cell on this carrier frequency is used as the uplink and downlink carrier frequency on this carrier frequency, that is, similar to the existing TDD.
  • the paired bandwidth When the paired bandwidth is used together, it is equivalent to assigning each of the paired bandwidths to one cell (cell), such as LTE_DL_BW is allocated to cell#1, LTE_UL_BW is allocated to cell#2, and LTE_DL_BW is used.
  • Cell#1 is the downlink PCell, and cell#1 indicates the value of LTE_DL_BW through the MIB in the system information.
  • the LTE_UL_BW of the cell #2 is the uplink PCell, and the downlink of the cell #2 is used as the SCell (Secondary Cell).
  • the bandwidth value of the cell #2 can be transmitted by the downlink PCell, that is, the cell #1 by RRC signaling.
  • LTE_DL_BW and LTE_UL_BW are respectively uplink and downlink of different cells, and then the two cells respectively indicate their own bandwidth by using their own MIB information. In this case, whether LTE_UL_BW is used as the uplink or higher or equal to the downlink, and LTE_DL_BW is used as the downlink or higher or equal to the uplink.
  • the basic reference signal has a long transmission period, for example, 40ms/80ms/160ms, and can be sent once every cycle, and the duration of each transmission is short (less than 1ms, or less than 1 subframe length).
  • the duration of each transmission is short (less than 1ms, or less than 1 subframe length).
  • the period of the downlink reference signal using cell#1 of LTE_DL_BW may be smaller than the period of the downlink reference signal of cell#2 using LTE_UL_BW, because the latter has a higher priority for uplink use.
  • the period of the uplink reference signal using cell #1 of LTE_DL_BW may be larger than the period of the uplink reference signal of cell #2 using LTE_UL_BW, because the former has a higher priority for downlink use.
  • the PSS/SSS/CRS/CSI-RS in the legacy LTE can be multiplexed. It is also possible to define a new reference signal, for example, a new reference signal does not need to use PSS/SSS, but a signal can be used to indicate the identity of the cell, and there is no need for the PSS and the SSS to jointly indicate the identity of the cell, nor The relative position of the PSS/SSS is required to indicate whether the communication system is an FDD system or a TDD system, because the technical solution of the present invention has unified the structure of the FDD and the TDD.
  • Frequency domain configuration of the basic reference signal The transmission bandwidth of the basic reference signal only needs to occupy a part of RB (Resource Block).
  • these RBs may be consecutive RBs, and this part of the continuous RB position may change regularly with time.
  • the RBs may be discontinuous RBs, and the RBs are evenly distributed over the entire bandwidth or evenly distributed over a part of the bandwidth (for example, some bandwidth needs to be vacant for future services, and then the basic reference signal is not sent on the part of the bandwidth. Therefore, the RBs that transmit the reference signals are evenly distributed over other bandwidths.
  • these RB positions may also change regularly with time.
  • the number, distribution position, and variation rule of the consecutive RBs or non-contiguous RBs for transmitting the basic reference signal need to be stored in the terminal, so that the terminal searches for the reference signal according to the stored information to the corresponding location.
  • the reference signal of cell #1 using LTE_DL_BW is transmitted on the bandwidth corresponding to LTE_DL_BW
  • the reference signal of cell#2 using LTE_UL_BW is transmitted on the bandwidth corresponding to LTE_UL_BW, which requires Compared with the LTE user, the NR user searches for the frequency point of the LTE_UL_BW for the uplink in addition to the frequency of the LTE_DL_BW for the downlink.
  • the MIB and other SIB (System Information Block) information can be sent only on a part of the bandwidth, and the period is long (for example, the duration occupied by 40 ms or 40 subframes).
  • the MIB can also be transmitted in the manner shown in Figures 3 and 4 like the basic reference signal.
  • the sending time of the MIB and other SIB information and the occupied RB position may be different, but they do not occupy the entire bandwidth.
  • the IE (information element) of the tdd-config included in the SIB1 in the original LTE system can be removed, and an IE added in the SIB1 is indicated as NR, and the user can It is known that the frame structure is neither FDD nor TDD, but the frame structure of NR.
  • the technical solution of the present invention not only gives a method for using a paired carrier frequency in a 5G NR, but also provides a bandwidth configuration under a new frame structure, and a configuration of a downlink reference signal and the like in a corresponding bandwidth, so that Paired carrier frequencies are flexible and forward compatible.
  • Fig. 5 shows a schematic block diagram of a communication device in accordance with a second embodiment of the present invention.
  • a communication apparatus includes a processor 1, an output device 2, and a memory 3.
  • the processor 1, the output device 2, and the memory 3 may be connected by a bus 4 or the like, and the connection through the bus 4 is exemplified in FIG.
  • the memory 3 is used to store a set of program codes, and the processor 1 calls the program code stored in the memory 3 for performing the following operations:
  • the scheduling signaling is sent by the output device 2 on the downlink subframe to configure an uplink subframe for performing uplink transmission in the radio frame.
  • the processor 1 calls the program code stored in the memory 3, and is also used to perform the following operations:
  • a periodic uplink subframe is configured in the radio frame, where the periodic uplink subframe is used to transmit at least an uplink reference signal and/or a random access preamble and/or an uplink scheduling request and/or a buffer status report.
  • the processor 1 calls the program code stored in the memory 3, and is also used to perform the following operations:
  • the processor 1 calls the program code stored in the memory 3, and is also used to perform the following operations:
  • the first bandwidth is scheduled to assist in uplink transmission.
  • the processor 1 calls the program code stored in the memory 3, and is also used to perform the following operations:
  • the system information of the downlink primary cell indicates the bandwidth value of the downlink primary cell, and the downlink primary cell indicates the bandwidth value of the uplink primary cell by using RRC signaling.
  • the processor 1 calls the program code stored in the memory 3, and is also used to perform the following operations:
  • the bandwidth used in pairs in the communication system is configured as a first bandwidth and a second bandwidth that are used independently, and the first bandwidth and the second bandwidth are both used for uplink transmission and downlink transmission, and the first bandwidth is used for
  • the priority of the downlink transmission is higher than or equal to the priority for the uplink transmission
  • the priority of the second bandwidth for the uplink transmission is higher than or equal to the priority for the downlink transmission
  • the first bandwidth and the second bandwidth are allocated to two different cells, and the two different cells respectively indicate their own bandwidth values through their own system information.
  • the processor 1 calls the program code stored in the memory 3, and is also used to perform the following operations:
  • a new reference signal for identifying the identity of the cell is defined.
  • the processor 1 calls the program code stored in the memory 3, and is also used to perform the following operations:
  • a resource block uniformly distributed over the entire bandwidth or evenly distributed over a part of the bandwidth transmits the downlink reference signal or the system information
  • the location of the resource block that transmits the downlink reference signal or the system information does not change or changes regularly during different transmission periods.
  • the processor 1 calls the program code stored in the memory 3, and is also used to perform the following operations:
  • the identification information is added to the generated system information, and the identification information is used to indicate that the communication system adopts a dynamic subframe configuration.
  • the units in the communication device of the embodiment of the present invention may be combined, divided, and deleted according to actual needs.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • PROM Programmable Read-Only Memory
  • EPROM Erasable Programmable Read Only Memory
  • OTPROM One-Time Programmable Read-Only Memory
  • EEPROM Electronically-Erasable Programmable Read-Only Memory
  • CD-ROM Compact Disc Read-Only Memory
  • the present invention provides a new communication scheme, which can flexibly configure the position and number of uplink subframes in a radio frame according to an actual communication scenario.
  • the flexibility of resource scheduling meets the business needs in the 5G communication scenario.

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Abstract

本发明提供了一种通信方法及通信装置，其中，所述通信方法包括：配置将下行子帧作为起始子帧的无线帧；在所述下行子帧上发送调度信令，以在所述无线帧中配置用于进行上行传输的上行子帧。本发明的技术方案可以根据实际的通信场景，灵活地对无线帧中的上行子帧的位置和个数进行配置，提高了资源调度的灵活性，满足了5G通信场景中的业务需求。

Description

通信方法及通信装置
本申请要求于2016年8月5日提交中国专利局，申请号为201610639483.9、发明名称为“通信方法及通信装置”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
本发明涉及通信技术领域，具体而言，涉及一种通信方法和一种通信装置。
背景技术
现有的4G以及4.5G移动通信技术，都是基于LTE（Long Term Evolution，长期演进）及LTE-A（LTE-Advanced）的无线接入技术、时频资源粒度和帧结构等。比如目前LTE系统能支持的最大单载波带宽为20MHz，若要支持更大带宽，只能依靠载波聚合（Carrier Aggregation，简称CA）的使用。另外，目前的帧结构主要包括：FDD（Frequency Division Duplexing，频分双工）帧结构、TDD（Time Division Duplexing，时分双工）帧结构和LAA（LTE Assisted Access，LTE辅助接入）非授权载波使用的动态帧结构。不管是哪种帧结构，都包含10个子帧，每个子帧为1ms，每个子帧包含两个slot（时隙），一个slot为0.5ms，每个slot又包含7个symbol（符号）。频域方面，在LTE系统中，子载波间隔主要是15KHz，一个RB（Resource Block，资源块）包含了12个子载波。而在NB-IoT（Narrow Band Internet of Things，基于蜂窝的窄带物联网）中又提出一种新的3.75KHz的子载波间隔，而且NB-IoT的载波带宽仅有180KHz。
在资源分配方面，FDD帧结构和TDD帧结构都是以1ms子帧为时域调度粒度，除了TDD帧结构中的特殊子帧内的DwPTS（Downlink Pilot Time Slot，下行导频时隙）用于传输数据时，时域调度粒度是小于1ms的。同样在LAA非授权载波使用的帧结构中也出现了复用DwPTS作为partial subframe的下行调度时域粒度，同时也使用了1ms整子帧的调度粒度。而在FDD帧结构和TDD帧结构中，除了TDD帧结构中的特殊子帧既有下行发送时间和上行发送时间外，其它的子帧都是上行发送或下行发送要么时域分开要么频域分开。
可见，目前的帧结构和频域资源的粒度都会使得资源分配不够灵活，而上行调度机制与HARQ反馈机制等的时间间隔又使得时延较大，20MHz带宽也不满足高带宽需求。
未来5G通信主要场景包括以下三种：eMBB（enhanced Mobile Broadband，增强的移动宽带网络），mMTC（massive Machine Type Communication，大规模机器类通讯）和URLLC（Ultra-Reliable and Low Latency Communications，高可靠低时延通信）。而这三种场景所针对的业务类型不一样，其需求也不一样。比如：eMBB业务的两个主要指标是高带宽和低时延，在未来的高频通信上，eMBB业务可能支持100MHz的大带宽，而且很可能某个时刻整个带宽都直接分配给一个用户使用，而上行调度时延和HARQ反馈时延也会带来时延影响；mMTC业务需要的是窄带服务，需要电池寿命很长，这种业务就需要更小粒度的频域和更宽粒度的时域资源；对于URLLC业务，也需要减少上行调度时延和HARQ反馈时延带来的时延影响。
也就是说由于业务的多样化，使得目前固定的帧结构、固定的频域资源粒度和时域资源粒度会造成较大的上行调度时延和较长的HARQ反馈时延，并且较小的载波带宽也无法满足业务的多样化需求，并且未来5G通信希望能够做到足够灵活，任何一个资源都可能动态的进行调度以随时使用，而这些都是亟待解决的技术问题。
发明内容
本发明正是基于上述技术问题至少之一，提出了一种新的通信方案，可以根据实际的通信场景，灵活地对无线帧中的上行子帧的位置和个数进行配置，提高了资源调度的灵活性，满足了5G通信场景中的业务需求。
有鉴于此，根据本发明的第一方面，提出了一种通信方法，包括：配置将下行子帧作为起始子帧的无线帧；在所述下行子帧上发送调度信令，以在所述无线帧中配置用于进行上行传输的上行子帧。
在该技术方案中，通过配置将下行子帧作为起始子帧的无线帧，并在下行子帧上发送调度信令，以在无线帧中配置用于进行上行传输的上行子帧，使得在进行通信时，能够根据实际的通信场景（如通信业务的类型、上下行业务量等），灵活地对无线帧中的上行子帧的位置和个数进行配置，进而使得基站与终端可以基于灵活配置的无线帧结构进行通信，避免了采用固定的帧结构而造成较大的上行调度时延和较长的HARQ反馈时延，并且能够提高资源调度的灵活性，满足了5G通信场景中的业务需求，有利于提高资源使用率。
在上述技术方案中，优选地，所述的通信方法还包括：在所述无线帧中配置周期性的上行子帧，所述周期性的上行子帧用于至少传输上行参考信号和/或随机接入前导码（即Random Access Preamble）和/或上行调度请求和/或缓存状态报告。
进一步地，为了统一授权频谱和非授权频谱，在上行参考信号和/或随机接入前导码和/或上行调度请求和/或缓存状态报告的每个发送周期内可以有一个发送窗口，每个发送窗口包含多次发送时间，只要在任意一个发送时间发送一次即可。
在上述任一技术方案中，优选地，所述的通信方法还包括：配置以载波聚合的方式成对使用的第一带宽和第二带宽，所述第一带宽和所述第二带宽的大小相同而频点不同，所述第一带宽和所述第二带宽均能够用于上行传输和下行传输，其中，所述第一带宽用于下行传输的优先级高于用于上行传输的优先级，所述第二带宽用于上行传输的优先级高于用于下行传输的优先级。
在该技术方案中，成对使用的第一带宽和第二带宽可以是传统的LTE FDD系统中使用的带宽，即本发明提出的通信方法能够兼容传统的LTE FDD系统。而通过使第一带宽和第二带宽均能够用于上行传输和下行传输，使得能够根据实际的通信场景，如通信业务的类型、上下行业务量等，灵活地调度第一带宽和第二带宽进行相应业务的传输，有利于提高频谱的效率，解决了传统LTE FDD系统中成对带宽只能一个用于上行、另一个用户下行而导致频谱效率不高的问题。
在上述技术方案中，进一步地，所述的通信方法还包括：在所述第一带宽不足以提供下行传输时，调度所述第二带宽来辅助进行下行传输；以及在所述第二带宽不足以提供上行传输时，调度所述第一带宽来辅助进行上行传输。
在该技术方案中，通过在第一带宽不足以提供下行传输时，调度第二带宽来辅助进行下行传输，并在第二带宽不足以提供上行传输时，调度第一带宽来辅助进行上行传输，使得能够根据实际的通信场景，如通信业务的类型、上下行业务量等，灵活地调度第一带宽和第二带宽进行相应业务的传输，有利于提高频谱的效率。
在上述技术方案中，进一步地，所述的通信方法还包括：将所述第一带宽配置给第一小区使用，以形成基于所述第一带宽的下行主小区，将所述第二带宽配置给第二小区使用，以形成基于所述第二带宽的上行主小区；通过所述下行主小区的系统信息指示所述下行主小区的带宽值，并由所述下行主小区通过RRC（Radio Resource Control，无线资源控制）信令指示所述上行主小区的带宽值。
具体地，通过下行主小区的系统信息中的MIB（Master Information Block，主要信息块）来指示下行主小区的带宽值。
在上述技术方案中，进一步地，所述下行主小区中的下行参考信号的传输周期小于或等于所述上行主小区中的下行参考信号的传输周期；以及所述上行主小区中的上行参考信号的传输周期小于或等于所述下行主小区中的上行参考信号的传输周期。
在该技术方案中，由于下行主小区用于下行的优先级要高于上行主小区用作下行的优先级，而参考信号是用于进行信道质量检测的，因此下行主小区中的下行参考信号的传输周期小于或等于上行主小区中的下行参考信号的传输周期；相反地，由于上行主小区用于上行的优先级要高于下行主小区用作上行的优先级，而参考信号是用于进行信道质量检测的，因此上行主小区中的上行参考信号的传输周期小于或等于下行主小区中的上行参考信号的传输周期。
在上述任一技术方案中，优选地，所述的通信方法还包括：将通信系统中成对使用的带宽配置为独立使用的第一带宽和第二带宽，所述第一带宽和所述第二带宽均能够用于上行传输和下行传输，且所述第一带宽用于下行传输的优先级高于或等于用于上行传输的优先级，所述第二带宽用于上行传输的优先级高于或等于用于下行传输的优先级；将所述第一带宽和所述第二带宽分配给两个不同的小区使用，所述两个不同的小区分别通过自身的系统信息指示自身的带宽值。
在该技术方案中，通信系统中成对使用的带宽即传统LTE FDD系统中使用的带宽，即本发明提出的通信方法能够兼容传统的LTE FDD系统，具体可以将传统LTE TDD系统中使用的成对带宽分给不同的小区不同的用户单独使用。
在上述任一技术方案中，优选地，所述的通信方法还包括：复用LTE系统中的下行参考信号来对小区身份进行标识；或定义新的用于对小区身份进行标识的参考信号。
在该技术方案中，在使用下行参考信号对小区身份进行标识时，可以复用LTE系统中的下行参考信号，包括：PSS（Primary Synchronization Signal，主同步信号）、SSS（Secondary Synchronization Signal，辅同步信号）、CRS（Common Reference Signal，公共参考信号）、CSI-RS（Channel State Information Reference Signal，信道状态信息参考信号），但这些参考信用的发送的时域资源和/或频域资源可以有变化，比如PSS/SSS同时发送但使用不同的频域资源，这样可以加快下行同步过程。或者可以定义新的参考信号，比如新的参考信号不需要PSS/SSS，而是采用一种信号就可以指示出小区的身份，而不需要PSS和SSS联合起来指示小区身份，并且也不需要PSS/SSS的相对位置来指示是FDD系统还是TDD系统，因为本发明提出的通信方案将FDD系统和TDD系统进行了统一。
在上述任一技术方案中，优选地，所述的通信方法还包括：在下行参考信号或系统信息的一个传输周期内，通过在频域上连续的资源块传输所述下行参考信号或所述系统信息；或在下行参考信号或系统信息的一个传输周期内，通过频域上均匀分布在整个带宽上或均匀分布在部分带宽上的资源块传输所述下行参考信号或所述系统信息；其中，传输所述下行参考信号或所述系统信息的资源块的位置在不同传输周期内不变或呈规律性变化。
进一步地，为了统一授权频谱和非授权频谱，在下行参考信号的每个发送周期内可以有一个发送窗口，每个发送窗口包含多次发送时间，只要在任意一个发送时间发送一次即可。
在上述任一技术方案中，优选地，所述的通信方法还包括：在生成的系统信息中添加标识信息，所述标识信息用于表示通信系统采用动态的子帧配置。
在该技术方案中，通过在生成的系统信息中添加标识信息，可以对通信系统采用新的子帧配置进行标识。具体地，可以通过IE（Information Element，信息元素）的形式来进行标识。
根据本发明的第二方面，还提出了一种通信装置，包括：配置单元，设置为配置将下行子帧作为起始子帧的无线帧；发送单元，设置为在所述下行子帧上发送调度信令，以在所述无线帧中配置用于进行上行传输的上行子帧。
在该技术方案中，通过配置将下行子帧作为起始子帧的无线帧，并在下行子帧上发送调度信令，以在无线帧中配置用于进行上行传输的上行子帧，使得在进行通信时，能够根据实际的通信场景（如通信业务的类型、上下行业务量等），灵活地对无线帧中的上行子帧的位置和个数进行配置，进而使得基站与终端可以基于灵活配置的无线帧结构进行通信，避免了采用固定的帧结构而造成较大的上行调度时延和较长的HARQ反馈时延，并且能够提高资源调度的灵活性，满足了5G通信场景中的业务需求，有利于提高资源使用率。
在上述技术方案中，优选地，所述配置单元还设置为：在所述无线帧中配置周期性的上行子帧，所述周期性的上行子帧用于至少传输上行参考信号和/或随机接入前导码和/或上行调度请求和/或缓存状态报告。
进一步地，为了统一授权频谱和非授权频谱，在上行参考信号和/或随机接入前导码和/或上行调度请求和/或缓存状态报告的每个发送周期内可以有一个发送窗口，每个发送窗口包含多次发送时间，只要在任意一个发送时间发送一次即可。
在上述任一技术方案中，优选地，所述配置单元还设置为：配置以载波聚合的方式成对使用的第一带宽和第二带宽，所述第一带宽和所述第二带宽的大小相同而频点不同，所述第一带宽和所述第二带宽均能够用于上行传输和下行传输，其中，所述第一带宽用于下行传输的优先级高于用于上行传输的优先级，所述第二带宽用于上行传输的优先级高于用于下行传输的优先级。
在该技术方案中，成对使用的第一带宽和第二带宽可以是传统的LTE FDD系统中使用的带宽，即本发明提出的通信方法能够兼容传统的LTE FDD系统。而通过使第一带宽和第二带宽均能够用于上行传输和下行传输，使得能够根据实际的通信场景，如通信业务的类型、上下行业务量等，灵活地调度第一带宽和第二带宽进行相应业务的传输，有利于提高频谱的效率，解决了传统LTE FDD系统中成对带宽只能一个用于上行、另一个用户下行而导致频谱效率不高的问题。
在上述技术方案中，进一步地，所述的通信装置还包括：调度单元，设置为在所述第一带宽不足以提供下行传输时，调度所述第二带宽来辅助进行下行传输，并设置为在所述第二带宽不足以提供上行传输时，调度所述第一带宽来辅助进行上行传输。
在该技术方案中，通过在第一带宽不足以提供下行传输时，调度第二带宽来辅助进行下行传输，并在第二带宽不足以提供上行传输时，调度第一带宽来辅助进行上行传输，使得能够根据实际的通信场景，如通信业务的类型、上下行业务量等，灵活地调度第一带宽和第二带宽进行相应业务的传输，有利于提高频谱的效率。
在上述技术方案中，进一步地，所述配置单元还设置为，将所述第一带宽配置给第一小区使用，以形成基于所述第一带宽的下行主小区，将所述第二带宽配置给第二小区使用，以形成基于所述第二带宽的上行主小区；所述通信装置还包括：指示单元，设置为通过所述下行主小区的系统信息指示所述下行主小区的带宽值，并由所述下行主小区通过RRC信令指示所述上行主小区的带宽值。
具体地，通过下行主小区的系统信息中的MIB来指示下行主小区的带宽值。
在上述技术方案中，进一步地，所述下行主小区中的下行参考信号的传输周期小于或等于所述上行主小区中的下行参考信号的传输周期；以及所述上行主小区中的上行参考信号的传输周期小于或等于所述下行主小区中的上行参考信号的传输周期。
在该技术方案中，由于下行主小区用于下行的优先级要高于上行主小区用作下行的优先级，而参考信号是用于进行信道质量检测的，因此下行主小区中的下行参考信号的传输周期小于或等于上行主小区中的下行参考信号的传输周期；相反地，由于上行主小区用于上行的优先级要高于下行主小区用作上行的优先级，而参考信号是用于进行信道质量检测的，因此上行主小区中的上行参考信号的传输周期小于或等于下行主小区中的上行参考信号的传输周期。
在上述任一技术方案中，优选地，所述配置单元还设置为：将通信系统中成对使用的带宽配置为独立使用的第一带宽和第二带宽，所述第一带宽和所述第二带宽均能够用于上行传输和下行传输，且所述第一带宽用于下行传输的优先级高于或等于用于上行传输的优先级，所述第二带宽用于上行传输的优先级高于或等于用于下行传输的优先级，并用于将所述第一带宽和所述第二带宽分配给两个不同的小区使用，其中，所述两个不同的小区分别通过自身的系统信息指示自身的带宽值。
在该技术方案中，通信系统中成对使用的带宽即传统LTE FDD系统中使用的带宽，即本发明提出的通信方法能够兼容传统的LTE FDD系统，具体可以将传统LTE TDD系统中使用的成对带宽分给不同的小区不同的用户单独使用。
在上述任一技术方案中，优选地，复用LTE系统中的下行参考信号来对小区身份进行标识；或定义新的用于对小区身份进行标识的参考信号。
在该技术方案中，在使用下行参考信号对小区身份进行标识时，可以复用LTE系统中的下行参考信号，包括：PSS、SSS、CRS、CSI-RS，但这些参考信用的发送的时域资源和/或频域资源可以有变化，比如PSS/SSS同时发送但使用不同的频域资源，这样可以加快下行同步过程。或者可以定义新的参考信号，比如新的参考信号不需要PSS/SSS，而是采用一种信号就可以指示出小区的身份，而不需要PSS和SSS联合起来指示小区身份，并且也不需要PSS/SSS的相对位置来指示是FDD系统还是TDD系统，因为本发明提出的通信方案将FDD系统和TDD系统进行了统一。
在上述任一技术方案中，优选地，所述的通信装置还包括：传输单元，设置为在下行参考信号或系统信息的一个传输周期内，通过在频域上连续的资源块传输所述下行参考信号或所述系统信息，或在下行参考信号或系统信息的一个传输周期内，通过频域上均匀分布在整个带宽上或均匀分布在部分带宽上的资源块传输所述下行参考信号或所述系统信息；其中，传输所述下行参考信号或所述系统信息的资源块的位置在不同传输周期内不变或呈规律性变化。
进一步地，为了统一授权频谱和非授权频谱，在下行参考信号的每个发送周期内可以有一个发送窗口，每个发送窗口包含多次发送时间，只要在任意一个发送时间发送一次即可。
在上述任一技术方案中，优选地，所述的通信装置还包括：处理单元，设置为在生成的系统信息中添加标识信息，所述标识信息用于表示通信系统采用动态的子帧配置。
在该技术方案中，通过在生成的系统信息中添加标识信息，可以对通信系统采用新的子帧配置进行标识。具体地，可以通过IE的形式来进行标识。
通过以上技术方案，可以根据实际的通信场景，灵活地对无线帧中的上行子帧的位置和个数进行配置，提高了资源调度的灵活性，满足了5G通信场景中的业务需求。
 附图说明
图1示出了根据本发明的实施例的通信方法的示意流程图；
图2示出了根据本发明的第一个实施例的通信装置的示意框图；
图3示出了根据本发明的第一个实施例的发送基本参考信号的资源块的位置示意图；
图4示出了根据本发明的第二个实施例的发送基本参考信号的资源块的位置示意图；
图5示出了根据本发明的第二个实施例的通信装置的示意框图。
具体实施方式
为了能够更清楚地理解本发明的上述目的、特征和优点，下面结合附图和具体实施方式对本发明进行进一步的详细描述。需要说明的是，在不冲突的情况下，本申请的实施例及实施例中的特征可以相互组合。
在下面的描述中阐述了很多具体细节以便于充分理解本发明，但是，本发明还可以采用其他不同于在此描述的其他方式来实施，因此，本发明的保护范围并不受下面公开的具体实施例的限制。
图1示出了根据本发明的实施例的通信方法的示意流程图。
如图1所示，根据本发明的实施例的通信方法，包括：
步骤S10，配置将下行子帧作为起始子帧的无线帧。
步骤S12，在所述下行子帧上发送调度信令，以在所述无线帧中配置用于进行上行传输的上行子帧。
在图1所示的通信方法中，通过配置将下行子帧作为起始子帧的无线帧，并在下行子帧上发送调度信令，以在无线帧中配置用于进行上行传输的上行子帧，使得在进行通信时，能够根据实际的通信场景（如通信业务的类型、上下行业务量等），灵活地对无线帧中的上行子帧的位置和个数进行配置，进而使得基站与终端可以基于灵活配置的无线帧结构进行通信，避免了采用固定的帧结构而造成较大的上行调度时延和较长的HARQ反馈时延，并且能够提高资源调度的灵活性，满足了5G通信场景中的业务需求，有利于提高资源使用率。
进一步地，所述的通信方法还包括：在所述无线帧中配置周期性的上行子帧，所述周期性的上行子帧用于至少传输上行参考信号和/或随机接入前导码和/或上行调度请求和/或缓存状态报告。
进一步地，为了统一授权频谱和非授权频谱，在上行参考信号和/或随机接入前导码和/或上行调度请求和/或缓存状态报告的每个发送周期内可以有一个发送窗口，每个发送窗口包含多次发送时间，只要在任意一个发送时间发送一次即可。
在本发明的一个实施例中，在图1所示的通信方法的基础上，还包括：复用LTE系统中的下行参考信号来对小区身份进行标识；或定义新的用于对小区身份进行标识的参考信号。
在该技术方案中，在使用下行参考信号对小区身份进行标识时，可以复用LTE系统中的下行参考信号，包括：PSS、SSS、CRS、CSI-RS，但这些参考信用的发送的时域资源和/或频域资源可以有变化，比如PSS/SSS同时发送但使用不同的频域资源，这样可以加快下行同步过程。或者可以定义新的参考信号，比如新的参考信号不需要PSS/SSS，而是采用一种信号就可以指示出小区的身份，而不需要PSS和SSS联合起来指示小区身份，并且也不需要PSS/SSS的相对位置来指示是FDD系统还是TDD系统，因为本发明提出的通信方案将FDD系统和TDD系统进行了统一。
在本发明的一个实施例中，上述的通信方法还包括：在下行参考信号或系统信息的一个传输周期内，通过在频域上连续的资源块传输所述下行参考信号或所述系统信息；或在下行参考信号或系统信息的一个传输周期内，通过频域上均匀分布在整个带宽上或均匀分布在部分带宽上的资源块传输所述下行参考信号或所述系统信息；其中，传输所述下行参考信号或所述系统信息的资源块的位置在不同传输周期内不变或呈规律性变化。
进一步地，为了统一授权频谱和非授权频谱，在下行参考信号的每个发送周期内可以有一个发送窗口，每个发送窗口包含多次发送时间，只要在任意一个发送时间发送一次即可。
此外，所述的通信方法还包括：在生成的系统信息中添加标识信息，所述标识信息用于表示通信系统采用动态的子帧配置。
在该技术方案中，通过在生成的系统信息中添加标识信息，可以对通信系统采用新的子帧配置进行标识。具体地，可以通过IE的形式来进行标识。
对于通信系统中出现的成对带宽，本发明提出了以下方案：
方案一：
上述的通信方法还包括：配置以载波聚合的方式成对使用的第一带宽和第二带宽，所述第一带宽和所述第二带宽的大小相同而频点不同，所述第一带宽和所述第二带宽均能够用于上行传输和下行传输，其中，所述第一带宽用于下行传输的优先级高于用于上行传输的优先级，所述第二带宽用于上行传输的优先级高于用于下行传输的优先级。
在该技术方案中，成对使用的第一带宽和第二带宽可以是传统的LTE FDD系统中使用的带宽，即本发明提出的通信方法能够兼容传统的LTE FDD系统。而通过使第一带宽和第二带宽均能够用于上行传输和下行传输，使得能够根据实际的通信场景，如通信业务的类型、上下行业务量等，灵活地调度第一带宽和第二带宽进行相应业务的传输，有利于提高频谱的效率，解决了传统LTE FDD系统中成对带宽只能一个用于上行、另一个用户下行而导致频谱效率不高的问题。
进一步地，在所述第一带宽不足以提供下行传输时，调度所述第二带宽来辅助进行下行传输；以及在所述第二带宽不足以提供上行传输时，调度所述第一带宽来辅助进行上行传输。
在该技术方案中，通过在第一带宽不足以提供下行传输时，调度第二带宽来辅助进行下行传输，并在第二带宽不足以提供上行传输时，调度第一带宽来辅助进行上行传输，使得能够根据实际的通信场景，如通信业务的类型、上下行业务量等，灵活地调度第一带宽和第二带宽进行相应业务的传输，有利于提高频谱的效率。
进一步地，所述的通信方法还包括：将所述第一带宽配置给第一小区使用，以形成基于所述第一带宽的下行主小区，将所述第二带宽配置给第二小区使用，以形成基于所述第二带宽的上行主小区；通过所述下行主小区的系统信息指示所述下行主小区的带宽值，并由所述下行主小区通过RRC信令指示所述上行主小区的带宽值。
具体地，通过下行主小区的系统信息中的MIB来指示下行主小区的带宽值。
在上述技术方案中，进一步地，所述下行主小区中的下行参考信号的传输周期小于或等于所述上行主小区中的下行参考信号的传输周期；以及所述上行主小区中的上行参考信号的传输周期小于或等于所述下行主小区中的上行参考信号的传输周期。
在该技术方案中，由于下行主小区用于下行的优先级要高于上行主小区用作下行的优先级，而参考信号是用于进行信道质量检测的，因此下行主小区中的下行参考信号的传输周期小于或等于上行主小区中的下行参考信号的传输周期；相反地，由于上行主小区用于上行的优先级要高于下行主小区用作上行的优先级，而参考信号是用于进行信道质量检测的，因此上行主小区中的上行参考信号的传输周期小于或等于下行主小区中的上行参考信号的传输周期。
方案二：
上述的通信方法还包括：将通信系统中成对使用的带宽配置为独立使用的第一带宽和第二带宽，所述第一带宽和所述第二带宽均能够用于上行传输和下行传输，且所述第一带宽用于下行传输的优先级高于或等于用于上行传输的优先级，所述第二带宽用于上行传输的优先级高于或等于用于下行传输的优先级；将所述第一带宽和所述第二带宽分配给两个不同的小区使用，所述两个不同的小区分别通过自身的系统信息指示自身的带宽值。
在该技术方案中，通信系统中成对使用的带宽即传统LTE FDD系统中使用的带宽，即本发明提出的通信方法能够兼容传统的LTE FDD系统，具体可以将传统LTE TDD系统中使用的成对带宽分给不同的小区不同的用户单独使用。
图2示出了根据本发明的第一个实施例的通信装置的示意框图。
如图2所示，根据本发明的第一个实施例的通信装置200，包括：配置单元202和发送单元204。
其中，配置单元202设置为配置将下行子帧作为起始子帧的无线帧；发送单元204设置为在所述下行子帧上发送调度信令，以在所述无线帧中配置用于进行上行传输的上行子帧。
在该技术方案中，通过配置将下行子帧作为起始子帧的无线帧，并在下行子帧上发送调度信令，以在无线帧中配置用于进行上行传输的上行子帧，使得在进行通信时，能够根据实际的通信场景（如通信业务的类型、上下行业务量等），灵活地对无线帧中的上行子帧的位置和个数进行配置，进而使得基站与终端可以基于灵活配置的无线帧结构进行通信，避免了采用固定的帧结构而造成较大的上行调度时延和较长的HARQ反馈时延，并且能够提高资源调度的灵活性，满足了5G通信场景中的业务需求，有利于提高资源使用率。
在上述技术方案中，优选地，所述配置单元202还设置为：在所述无线帧中配置周期性的上行子帧，所述周期性的上行子帧用于至少传输上行参考信号和/或随机接入前导码和/或上行调度请求和/或缓存状态报告。
进一步地，为了统一授权频谱和非授权频谱，在上行参考信号和/或随机接入前导码和/或上行调度请求和/或缓存状态报告的每个发送周期内可以有一个发送窗口，每个发送窗口包含多次发送时间，只要在任意一个发送时间发送一次即可。
在上述任一技术方案中，优选地，所述配置单元202还设置为：配置以载波聚合的方式成对使用的第一带宽和第二带宽，所述第一带宽和所述第二带宽的大小相同而频点不同，所述第一带宽和所述第二带宽均能够用于上行传输和下行传输，其中，所述第一带宽用于下行传输的优先级高于用于上行传输的优先级，所述第二带宽用于上行传输的优先级高于用于下行传输的优先级。
在该技术方案中，成对使用的第一带宽和第二带宽可以是传统的LTE FDD系统中使用的带宽，即本发明提出的通信方法能够兼容传统的LTE FDD系统。而通过使第一带宽和第二带宽均能够用于上行传输和下行传输，使得能够根据实际的通信场景，如通信业务的类型、上下行业务量等，灵活地调度第一带宽和第二带宽进行相应业务的传输，有利于提高频谱的效率，解决了传统LTE FDD系统中成对带宽只能一个用于上行、另一个用户下行而导致频谱效率不高的问题。
在上述技术方案中，进一步地，所述的通信装置200还包括：调度单元206，设置为在所述第一带宽不足以提供下行传输时，调度所述第二带宽来辅助进行下行传输，并设置为在所述第二带宽不足以提供上行传输时，调度所述第一带宽来辅助进行上行传输。
在该技术方案中，通过在第一带宽不足以提供下行传输时，调度第二带宽来辅助进行下行传输，并在第二带宽不足以提供上行传输时，调度第一带宽来辅助进行上行传输，使得能够根据实际的通信场景，如通信业务的类型、上下行业务量等，灵活地调度第一带宽和第二带宽进行相应业务的传输，有利于提高频谱的效率。
在上述技术方案中，进一步地，所述配置单元202还设置为，将所述第一带宽配置给第一小区使用，以形成基于所述第一带宽的下行主小区，将所述第二带宽配置给第二小区使用，以形成基于所述第二带宽的上行主小区；所述通信装置200还包括：指示单元208，设置为通过所述下行主小区的系统信息指示所述下行主小区的带宽值，并由所述下行主小区通过RRC信令指示所述上行主小区的带宽值。
具体地，通过下行主小区的系统信息中的MIB来指示下行主小区的带宽值。
在上述技术方案中，进一步地，所述下行主小区中的下行参考信号的传输周期小于或等于所述上行主小区中的下行参考信号的传输周期；以及所述上行主小区中的上行参考信号的传输周期小于或等于所述下行主小区中的上行参考信号的传输周期。
在该技术方案中，由于下行主小区用于下行的优先级要高于上行主小区用作下行的优先级，而参考信号是用于进行信道质量检测的，因此下行主小区中的下行参考信号的传输周期小于或等于上行主小区中的下行参考信号的传输周期；相反地，由于上行主小区用于上行的优先级要高于下行主小区用作上行的优先级，而参考信号是用于进行信道质量检测的，因此上行主小区中的上行参考信号的传输周期小于或等于下行主小区中的上行参考信号的传输周期。
在上述任一技术方案中，优选地，所述配置单元202还设置为：将通信系统中成对使用的带宽配置为独立使用的第一带宽和第二带宽，所述第一带宽和所述第二带宽均能够用于上行传输和下行传输，且所述第一带宽用于下行传输的优先级高于或等于用于上行传输的优先级，所述第二带宽用于上行传输的优先级高于或等于用于下行传输的优先级，并用于将所述第一带宽和所述第二带宽分配给两个不同的小区使用，其中，所述两个不同的小区分别通过自身的系统信息指示自身的带宽值。
在该技术方案中，通信系统中成对使用的带宽即传统LTE FDD系统中使用的带宽，即本发明提出的通信方法能够兼容传统的LTE FDD系统，具体可以将传统LTE TDD系统中使用的成对带宽分给不同的小区不同的用户单独使用。
在上述任一技术方案中，优选地，复用LTE系统中的下行参考信号来对小区身份进行标识；或定义新的用于对小区身份进行标识的参考信号。
在该技术方案中，在使用下行参考信号对小区身份进行标识时，可以复用LTE系统中的下行参考信号，包括：PSS、SSS、CRS、CSI-RS，但这些参考信用的发送的时域资源和/或频域资源可以有变化，比如PSS/SSS同时发送但使用不同的频域资源，这样可以加快下行同步过程。或者可以定义新的参考信号，比如新的参考信号不需要PSS/SSS，而是采用一种信号就可以指示出小区的身份，而不需要PSS和SSS联合起来指示小区身份，并且也不需要PSS/SSS的相对位置来指示是FDD系统还是TDD系统，因为本发明提出的通信方案将FDD系统和TDD系统进行了统一。
在本发明的一个实施例中，所述的通信装置200还包括：传输单元210，设置为在下行参考信号或系统信息的一个传输周期内，通过在频域上连续的资源块传输所述下行参考信号或所述系统信息，或在下行参考信号或系统信息的一个传输周期内，通过频域上均匀分布在整个带宽上或均匀分布在部分带宽上的资源块传输所述下行参考信号或所述系统信息；其中，传输所述下行参考信号或所述系统信息的资源块的位置在不同传输周期内不变或呈规律性变化。
进一步地，为了统一授权频谱和非授权频谱，在下行参考信号的每个发送周期内可以有一个发送窗口，每个发送窗口包含多次发送时间，只要在任意一个发送时间发送一次即可。
在本发明的一个实施例中，所述的通信装置200还包括：处理单元212，设置为在生成的系统信息中添加标识信息，所述标识信息用于表示通信系统采用动态的子帧配置。
在该技术方案中，通过在生成的系统信息中添加标识信息，可以对通信系统采用新的子帧配置进行标识。具体地，可以通过IE的形式来进行标识。
可见，本发明的技术方案主要是针对目前固定的帧结构、固定的频域资源粒度和时域资源粒度会造成较大的上行调度时延和较长的HARQ反馈时延，并且较小的载波带宽也无法满足业务的多样化需求的技术问题，提出了一种适用于5G通信场景的技术方案，具体包括如下几个方面：
一、5G NR（New Radio，新的无线技术）采用的帧结构。
5G NR所采用的帧结构可以采用动态的帧结构，具体地：无线帧中的子帧默认以下行子帧开始，并且上行子帧由基站通过DCI调度信令来确定并触发。其中，无线帧中的子帧默认以下行子帧开始，这里的下行子帧既可以是一个或多个完整的下行子帧，也可以仅是一个完整的下行子帧中的部分，即某个子帧中只有前半部分用于下行传输。
在此基础上，还可以将一部分周期性出现的子帧半静态配置成上行子帧，这些上行子帧用于发送上行参考信号SRS（即Sounding Reference Signal，信道探测参考信号）和/或上行调度请求（即Scheduling Request）和/或缓存状态报告（即Buffer Status Report）和/或随机接入前导码等。
此外，为了统一授权频谱和非授权频谱，对于上述的上行参考信号SRS和/或上行调度请求和/或缓存状态报告和/或随机接入前导码等，在每周期有一个发送窗口，每个发送窗口包含多次发送时间，只要在任意一个发送时间内发送一次即可。
二、对于成对带宽，本发明提出了如下两种使用方法：
1、成对带宽一起使用。
具体地，可以复用传统LTE FDD系统中的成对带宽，或者配置新的成对使用的带宽。其中，成对带宽的大小一样，但是频点不一样。
以下以复用传统LTE FDD系统中的成对带宽为例进行说明：
由于传统LTE FDD系统的成对带宽中的一段带宽只用于下行（称之为LTE_DL_BW），一段带宽只用于上行（称之为LTE_UL_BW）。在NR中，当复用传统LTE FDD系统中的成对带宽时，传统的用于下行的带宽可以用于下行和上行，传统的用于上行的带宽也可以用于上行和下行。但在资源分配时存在优先级，只有在传统的用于下行的带宽（即LTE_DL_BW）不足以提供下行传输时，才调度传统的用于上行的带宽（即LTE_UL_BW）用作下行传输。同样，只有在传统的用于上行的带宽（即LTE_UL_BW）不足以提供上行传输时，才调度传统的用于下行的带宽（即LTE_DL_BW）用作上行传输。
此外，成对带宽在一起使用时，可以将这两段带宽LTE_DL_BW和LTE_UL_BW配置成两个独立的非成对载波进行载波聚合的方式来给用户使用。并将传统的下行载波配置为下行的PCell（Primary Cell主小区），将传统的上行载波配置为上行的PCell，即将上下行分离。
2、成对带宽不一起使用。
当成对带宽不一起使用时，可以将成对带宽完全独立开来分给不同的用户使用，这样每个用户同时只能检测到成对带宽中的上行载频或下行载频，那么用户就把工作在这个载频上的小区当成在这个载频上的上下行载频来使用，即类似现有的TDD的方式。
三、针对上述的成对带宽，其带宽的指示方式如下：
1、当成对带宽一起使用时，相当于将成对带宽中的每个带宽分给一个cell（小区）使用，如将LTE_DL_BW分给cell#1使用，将LTE_UL_BW分给cell#2使用，而LTE_DL_BW的cell#1为下行PCell，那么cell#1通过系统信息中的MIB来指示LTE_DL_BW的值。而cell#2的LTE_UL_BW为上行的PCell，那么cell#2的下行作为SCell（Secondary Cell，辅小区），此时cell#2的带宽值可以通过RRC信令由下行PCell即cell#1来发送。
2、当成对带宽独立使用时，LTE_DL_BW和LTE_UL_BW分别为不同的cell的上下行，那么这两个cell分别通过自身的MIB信息来指示自身的带宽。在这种情况下，LTE_UL_BW作为上行使用的优先级还是高于或等于作下行使用，LTE_DL_BW作为下行使用的优先级还是高于或等于作上行使用。
四、基本参考信号的发送时间配置。
基本参考信号的发送周期较长，比如可以是40ms/80ms/160ms，并且在每周期发送一次即可，每次发送的时长较短（小于1ms，或者小于1个子帧长度）。同时，为了统一授权频谱和非授权频谱，每个周期有一个发送窗口，每个发送窗口包含多次发送时间，只要在任意一个发送时间内发送一次即可。
当LTE_DL_BW为下行PCell而LTE_UL_BW为上行PCell时，使用LTE_DL_BW的cell#1的下行参考信号的周期可以比使用LTE_UL_BW的cell#2的下行参考信号的周期小，因为后者作上行使用的优先级高；而使用LTE_DL_BW的cell#1的上行参考信号的周期可以比使用LTE_UL_BW的cell#2的上行参考信号的周期大，因为前者作下行使用的优先级高。
五、基本参考信号的类型。
具体地，可以复用传统LTE中的PSS/SSS/CRS/CSI-RS。也可以定义新的参考信号，比如新的参考信号不需要使用PSS/SSS，而是定义一种信号即可以指示出该小区身份，并且也不需要PSS和SSS联合起来指示小区的身份，也不需要PSS/SSS的相对位置来指示通信系统是FDD系统还是TDD系统，因为本发明的技术方案已经将FDD和TDD的结构进行了统一。
六、基本参考信号的频域配置：基本参考信号的发送带宽只需要占用一部分RB（Resource Block，资源块）。
具体地，如图3所示，这些RB可以为连续的RB，而且这一部分连续的RB位置随时间可以有规律的变化。或者这些RB可以为不连续的RB，这些RB均匀分布在整个带宽上或者均匀分布在一部分带宽上（比如有些带宽需要空出来留给以后的业务用，那么这部分带宽上不发送基本的参考信号，因此发送参考信号的RB在其他带宽上均匀分布），在这种情况下，如图4所示，这些RB位置随时间也可以有规律的变化。
上述发送基本参考信号的连续RB或者非连续RB的数量、分布位置和变化规律等都需要存储在终端，以便于终端根据存储的这些信息去相应的位置搜索参考信号。另外，由于成对载频已经分开使用了，因此使用LTE_DL_BW的cell#1的参考信号在LTE_DL_BW对应的带宽上发送，使用LTE_UL_BW的cell#2的参考信号在LTE_UL_BW对应的带宽上发送，这就需要NR的用户与LTE的用户相比，除了搜索用于下行的LTE_DL_BW的频点之外，还要搜索用于上行的LTE_UL_BW所在的频点。
七、与参考信号类似，MIB和其它SIB（System Information Block，系统信息块）信息等都可以只在一部分带宽上发送，且周期较长（比如可以为40ms或40个子帧所占用的时长）。MIB也可以像基本参考信号一样按照图3和图4所示的方式进行发送。另外，MIB和其它SIB信息的发送时间以及所占用的RB位置可以不一样，但都不会占用整个带宽。
八、由于NR中不需要区分FDD和TDD，因此可以将原LTE系统中的SIB1包含的tdd-config这个IE（信息元素）去除，而在SIB1中添加一个IE指出为NR，则用户据此可以知道帧结构既不是FDD也不是TDD，而是NR的帧结构。
可见，本发明的技术方案不仅给出了成对载频在5G NR中的使用方法，而且给出了在新的帧结构下的带宽配置，以及下行参考信号等在相应带宽中的配置，使得成对载频能够灵活使用，同时前向兼容。
图5示出了根据本发明的第二个实施例的通信装置的示意框图。
如图5所示，根据本发明的第二个实施例的通信装置，包括：处理器1、输出装置2和存储器3。在本发明的一些实施例中，处理器1、输出装置2和存储器3可以通过总线4或其他方式连接，图5中以通过总线4连接为例。
其中，存储器3用于存储一组程序代码，处理器1调用存储器3中存储的程序代码，用于执行以下操作：
配置将下行子帧作为起始子帧的无线帧；
通过输出装置2在所述下行子帧上发送调度信令，以在所述无线帧中配置用于进行上行传输的上行子帧。
作为一种可选的实施方式，处理器1调用存储器3中存储的程序代码，还用于执行以下操作：
在所述无线帧中配置周期性的上行子帧，所述周期性的上行子帧用于至少传输上行参考信号和/或随机接入前导码和/或上行调度请求和/或缓存状态报告。
作为一种可选的实施方式，处理器1调用存储器3中存储的程序代码，还用于执行以下操作：
配置以载波聚合的方式成对使用的第一带宽和第二带宽，所述第一带宽和所述第二带宽的大小相同而频点不同，所述第一带宽和所述第二带宽均能够用于上行传输和下行传输，其中，所述第一带宽用于下行传输的优先级高于用于上行传输的优先级，所述第二带宽用于上行传输的优先级高于用于下行传输的优先级。
作为一种可选的实施方式，处理器1调用存储器3中存储的程序代码，还用于执行以下操作：
在所述第一带宽不足以提供下行传输时，调度所述第二带宽来辅助进行下行传输；以及
在所述第二带宽不足以提供上行传输时，调度所述第一带宽来辅助进行上行传输。
作为一种可选的实施方式，处理器1调用存储器3中存储的程序代码，还用于执行以下操作：
将所述第一带宽配置给第一小区使用，以形成基于所述第一带宽的下行主小区，将所述第二带宽配置给第二小区使用，以形成基于所述第二带宽的上行主小区；
通过所述下行主小区的系统信息指示所述下行主小区的带宽值，并由所述下行主小区通过RRC信令指示所述上行主小区的带宽值。
作为一种可选的实施方式，处理器1调用存储器3中存储的程序代码，还用于执行以下操作：
将通信系统中成对使用的带宽配置为独立使用的第一带宽和第二带宽，所述第一带宽和所述第二带宽均能够用于上行传输和下行传输，且所述第一带宽用于下行传输的优先级高于或等于用于上行传输的优先级，所述第二带宽用于上行传输的优先级高于或等于用于下行传输的优先级；
将所述第一带宽和所述第二带宽分配给两个不同的小区使用，所述两个不同的小区分别通过自身的系统信息指示自身的带宽值。
作为一种可选的实施方式，处理器1调用存储器3中存储的程序代码，还用于执行以下操作：
复用LTE系统中的下行参考信号来对小区身份进行标识；或
定义新的用于对小区身份进行标识的参考信号。
作为一种可选的实施方式，处理器1调用存储器3中存储的程序代码，还用于执行以下操作：
在下行参考信号或系统信息的一个传输周期内，通过在频域上连续的资源块传输所述下行参考信号或所述系统信息；或在下行参考信号或系统信息的一个传输周期内，通过频域上均匀分布在整个带宽上或均匀分布在部分带宽上的资源块传输所述下行参考信号或所述系统信息；
其中，传输所述下行参考信号或所述系统信息的资源块的位置在不同传输周期内不变或呈规律性变化。
作为一种可选的实施方式，处理器1调用存储器3中存储的程序代码，还用于执行以下操作：
在生成的系统信息中添加标识信息，所述标识信息用于表示通信系统采用动态的子帧配置。
本发明实施例的方法中的步骤可以根据实际需要进行顺序调整、合并和删减。
本发明实施例的通信装置中的单元可以根据实际需要进行合并、划分和删减。
本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成，该程序可以存储于一计算机可读存储介质中，存储介质包括只读存储器（Read-Only Memory，ROM）、随机存储器（Random Access Memory，RAM）、可编程只读存储器（Programmable Read-only Memory，PROM）、可擦除可编程只读存储器（Erasable Programmable Read Only Memory，EPROM）、一次可编程只读存储器（One-time Programmable Read-Only Memory，OTPROM）、电子抹除式可复写只读存储器（Electrically-Erasable Programmable Read-Only Memory，EEPROM）、只读光盘（Compact Disc Read-Only Memory，CD-ROM）或其他光盘存储器、磁盘存储器、磁带存储器、或者能够用于携带或存储数据的计算机可读的任何其他介质。
以上结合附图详细说明了本发明的技术方案，本发明提出了一种新的通信方案，可以根据实际的通信场景，灵活地对无线帧中的上行子帧的位置和个数进行配置，提高了资源调度的灵活性，满足了5G通信场景中的业务需求。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (20)

  1. 一种通信方法，其特征在于，包括：
    配置将下行子帧作为起始子帧的无线帧；
    在所述下行子帧上发送调度信令，以在所述无线帧中配置用于进行上行传输的上行子帧。
  2. 根据权利要求1所述的通信方法，其特征在于，还包括：
    在所述无线帧中配置周期性的上行子帧，所述周期性的上行子帧用于至少传输上行参考信号和/或随机接入前导码和/或上行调度请求和/或缓存状态报告。
  3. 根据权利要求1所述的通信方法，其特征在于，还包括：
    配置以载波聚合的方式成对使用的第一带宽和第二带宽，所述第一带宽和所述第二带宽的大小相同而频点不同，所述第一带宽和所述第二带宽均能够用于上行传输和下行传输，其中，所述第一带宽用于下行传输的优先级高于用于上行传输的优先级，所述第二带宽用于上行传输的优先级高于用于下行传输的优先级。
  4. 根据权利要求3所述的通信方法，其特征在于，还包括：
    在所述第一带宽不足以提供下行传输时，调度所述第二带宽来辅助进行下行传输；以及
    在所述第二带宽不足以提供上行传输时，调度所述第一带宽来辅助进行上行传输。
  5. 根据权利要求3所述的通信方法，其特征在于，还包括：
    将所述第一带宽配置给第一小区使用，以形成基于所述第一带宽的下行主小区，将所述第二带宽配置给第二小区使用，以形成基于所述第二带宽的上行主小区；
    通过所述下行主小区的系统信息指示所述下行主小区的带宽值，并由所述下行主小区通过RRC信令指示所述上行主小区的带宽值。
  6. 根据权利要求5所述的通信方法，其特征在于：
    所述下行主小区中的下行参考信号的传输周期小于或等于所述上行主小区中的下行参考信号的传输周期；以及
    所述上行主小区中的上行参考信号的传输周期小于或等于所述下行主小区中的上行参考信号的传输周期。
  7. 根据权利要求1所述的通信方法，其特征在于，还包括：
    将通信系统中成对使用的带宽配置为独立使用的第一带宽和第二带宽，所述第一带宽和所述第二带宽均能够用于上行传输和下行传输，且所述第一带宽用于下行传输的优先级高于或等于用于上行传输的优先级，所述第二带宽用于上行传输的优先级高于或等于用于下行传输的优先级；
    将所述第一带宽和所述第二带宽分配给两个不同的小区使用，所述两个不同的小区分别通过自身的系统信息指示自身的带宽值。
  8. 根据权利要求1所述的通信方法，其特征在于，还包括：
    复用LTE系统中的下行参考信号来对小区身份进行标识；或
    定义新的用于对小区身份进行标识的参考信号。
  9. 根据权利要求1所述的通信方法，其特征在于，还包括：
    在下行参考信号或系统信息的一个传输周期内，通过在频域上连续的资源块传输所述下行参考信号或所述系统信息；或在下行参考信号或系统信息的一个传输周期内，通过频域上均匀分布在整个带宽上或均匀分布在部分带宽上的资源块传输所述下行参考信号或所述系统信息；
    其中，传输所述下行参考信号或所述系统信息的资源块的位置在不同传输周期内不变或呈规律性变化。
  10. 根据权利要求1至9中任一项所述的通信方法，其特征在于，还包括：
    在生成的系统信息中添加标识信息，所述标识信息用于表示通信系统采用动态的子帧配置。
  11. 一种通信装置，其特征在于，包括：
    配置单元，设置为配置将下行子帧作为起始子帧的无线帧；
    发送单元，设置为在所述下行子帧上发送调度信令，以在所述无线帧中配置用于进行上行传输的上行子帧。
  12. 根据权利要求11所述的通信装置，其特征在于，所述配置单元还设置为：
    在所述无线帧中配置周期性的上行子帧，所述周期性的上行子帧用于至少传输上行参考信号和/或随机接入前导码和/或上行调度请求和/或缓存状态报告。
  13. 根据权利要求11所述的通信装置，其特征在于，所述配置单元还设置为：
    配置以载波聚合的方式成对使用的第一带宽和第二带宽，所述第一带宽和所述第二带宽的大小相同而频点不同，所述第一带宽和所述第二带宽均能够用于上行传输和下行传输，其中，所述第一带宽用于下行传输的优先级高于用于上行传输的优先级，所述第二带宽用于上行传输的优先级高于用于下行传输的优先级。
  14. 根据权利要求13所述的通信装置，其特征在于，还包括：
    调度单元，设置为在所述第一带宽不足以提供下行传输时，调度所述第二带宽来辅助进行下行传输，并设置为在所述第二带宽不足以提供上行传输时，调度所述第一带宽来辅助进行上行传输。
  15. 根据权利要求13所述的通信装置，其特征在于，所述配置单元还设置为，将所述第一带宽配置给第一小区使用，以形成基于所述第一带宽的下行主小区，将所述第二带宽配置给第二小区使用，以形成基于所述第二带宽的上行主小区；
    所述通信装置还包括：指示单元，设置为通过所述下行主小区的系统信息指示所述下行主小区的带宽值，并由所述下行主小区通过RRC信令指示所述上行主小区的带宽值。
  16. 根据权利要求15所述的通信装置，其特征在于：
    所述下行主小区中的下行参考信号的传输周期小于或等于所述上行主小区中的下行参考信号的传输周期；以及
    所述上行主小区中的上行参考信号的传输周期小于或等于所述下行主小区中的上行参考信号的传输周期。
  17. 根据权利要求11所述的通信装置，其特征在于，所述配置单元还设置为：
    将通信系统中成对使用的带宽配置为独立使用的第一带宽和第二带宽，所述第一带宽和所述第二带宽均能够用于上行传输和下行传输，且所述第一带宽用于下行传输的优先级高于或等于用于上行传输的优先级，所述第二带宽用于上行传输的优先级高于或等于用于下行传输的优先级，并用于将所述第一带宽和所述第二带宽分配给两个不同的小区使用，其中，所述两个不同的小区分别通过自身的系统信息指示自身的带宽值。
  18. 根据权利要求11所述的通信装置，其特征在于：
    复用LTE系统中的下行参考信号来对小区身份进行标识；或
    定义新的用于对小区身份进行标识的参考信号。
  19. 根据权利要求11所述的通信装置，其特征在于，还包括：
    传输单元，设置为在下行参考信号或系统信息的一个传输周期内，通过在频域上连续的资源块传输所述下行参考信号或所述系统信息，或在下行参考信号或系统信息的一个传输周期内，通过频域上均匀分布在整个带宽上或均匀分布在部分带宽上的资源块传输所述下行参考信号或所述系统信息；其中，传输所述下行参考信号或所述系统信息的资源块的位置在不同传输周期内不变或呈规律性变化。
  20. 根据权利要求11至19中任一项所述的通信装置，其特征在于，还包括：
    处理单元，设置为在生成的系统信息中添加标识信息，所述标识信息用于表示通信系统采用动态的子帧配置。
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