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WO2016101112A1 - Procédé et dispositif de transmission de message de diffusion - Google Patents

Procédé et dispositif de transmission de message de diffusion Download PDF

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Publication number
WO2016101112A1
WO2016101112A1 PCT/CN2014/094566 CN2014094566W WO2016101112A1 WO 2016101112 A1 WO2016101112 A1 WO 2016101112A1 CN 2014094566 W CN2014094566 W CN 2014094566W WO 2016101112 A1 WO2016101112 A1 WO 2016101112A1
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Prior art keywords
frame
domain resource
time
location
resource location
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PCT/CN2014/094566
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English (en)
Chinese (zh)
Inventor
张祺智
孙卫军
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201480084254.4A priority Critical patent/CN107113125B/zh
Priority to PCT/CN2014/094566 priority patent/WO2016101112A1/fr
Publication of WO2016101112A1 publication Critical patent/WO2016101112A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and an apparatus for transmitting a broadcast message.
  • Frequency-Hopping Spread Spectrum refers to a carrier frequency that is within a certain range and hops according to a certain rule. It is a common communication method in the communication field, which can effectively avoid interference and exert communication efficiency.
  • the channel resources may be divided into time domain resources and frequency domain resources.
  • the frequency domain resources may be divided into m subcarriers in the frequency domain direction, in the time domain direction.
  • the time domain resource can be divided into n time slots, and a time slot interval of a certain duration is set between the time slots, so that m*n time-frequency resources can be obtained in one frame, assuming that the UE performs with the base station. If a period of communication includes N frames, then m*n time-frequency resource sequences can be obtained, for example, the first time-frequency resource in the frame 0, the first time-frequency resource in the first frame, and the N-th
  • the first time-frequency resource in one frame is a time-frequency resource sequence.
  • i(0) is the frequency domain resource location of any UE in frame
  • j(0) is the time domain resource location of the UE in frame
  • i(t) is the T number of the UE.
  • the frequency domain resource location of the frame, j(t) is the time domain resource location of the UE in the T frame, that is, the frequency resource used by the UE in the T frame is the frequency of the frame in the 0 frame.
  • two UEs using different time-frequency resources in each cycle have at most the same time domain position in one frame (ie, j(t) is the same), thus It is ensured that two UEs using different time-frequency resources can communicate at least in other N-1 frames.
  • N frames two UEs respectively using the first time-frequency resource and the fourth time-frequency resource are only in the UE.
  • Frame 0 is located in the same time slot.
  • An embodiment of the present invention provides a method and an apparatus for transmitting a broadcast message, which solves the problem of a decrease in communication speed and a waste of time-frequency resources caused by a reserved slot interval when a UE performs frequency hopping in the prior art.
  • an embodiment of the present invention provides a method for transmitting a broadcast message, including:
  • the first UE determines the time-frequency resource information of the first UE in the frame 0 according to the current system frame number T and the time-frequency resource information used by the at least one UE before the T-frame, and the time-frequency resource information includes the frequency. a domain resource location and a time domain resource location, wherein the time domain resource location is determined by a slot group location and a slot location in the slot group, and T is an integer greater than or equal to 0;
  • the first UE sends a broadcast message of the first UE by using a resource of a frequency domain resource location and a time domain resource location of the T frame.
  • the first UE determines, according to the current system frame number T and time-frequency resource information of the first UE in frame 0,
  • the slot group position and the slot position of the first UE in the T frame include:
  • the first UE performs linear transformation on the frequency domain resource location and the time domain resource location of the first UE in the frame 0 by using the current system frame number T as a parameter to determine that the first UE is in the T number.
  • the first UE is configured by using the current system frame number T as a parameter, and is configured by the first UE
  • the frequency domain resource location and the time domain resource location of the frame 0 are linearly transformed to determine the slot group location of the first UE in the T frame, including:
  • the first UE Determining, by the first UE, the frequency domain resource location of the first UE in the T frame, in the frequency domain resource location of the frame 0, including:
  • a frequency domain resource position of the first UE in a frequency domain resource position of the 0th frame after the c*T subcarriers is determined as a frequency domain resource location of the first UE in the T frame.
  • c is an integer greater than zero.
  • the frequency domain resource location includes m subcarriers, and the time domain resource The location includes n time slot groups, and each time slot group includes 3 time slots, where n is a prime number greater than or equal to 3*m, and n and m are integers greater than 0.
  • an embodiment of the present invention provides a transmission apparatus for a broadcast message, including:
  • An initial resource determining unit configured to determine time-frequency resource information of the first UE in frame 0 according to the current system frame number T and time-frequency resource information used by the at least one UE before the T-frame, the time-frequency
  • the resource information includes a frequency domain resource location and a time domain resource location, where the time domain resource location is determined by a slot group location and a slot location in the slot group, and T is an integer greater than or equal to 0;
  • a frequency domain resource determining unit configured to determine, according to the current system frame number T and a frequency domain resource location of the first UE in frame 0, a frequency domain resource location of the first UE in a T frame;
  • a time domain resource determining unit configured to determine, according to the current system frame number T and time-frequency resource information of the first UE in frame 0, a slot group position and a time slot of the first UE in a T-number frame Positioning, and determining a time domain resource location of the first UE in a T frame, wherein a time domain resource location of the first UE and a time domain resource location of the second UE in a period of one N frame There are N-1 times separated by at least 3 time slots, the second UE is any one of the other at least one UE, and N is an integer greater than 1;
  • a broadcast message transmission unit configured to send the broadcast message of the first UE by using a resource of a frequency domain resource location and a time domain resource location of the T frame.
  • the time domain resource determining unit includes a time slot group determining unit and a time slot determining unit, where
  • the time slot group determining unit is configured to perform linear transformation on the frequency domain resource location and the time domain resource location of the first UE in frame 0 by using the current system frame number T as a parameter to determine the first a slot group location of a UE in a T frame;
  • the time slot determining unit is configured to set the first UE in a time slot position of frame 0 It is determined as the slot position of the first UE in the T frame.
  • the time slot group determining unit is specifically configured to: determine, by the first UE, a time domain resource position after the L*T time slot group in the slot group position of the 0th frame is determined to be the first UE in the T The slot group position of the number frame, where L is determined by the slot position of the first UE in frame 0 and the frequency domain resource position of the first UE in frame 0, and L is an integer greater than or equal to 0. .
  • the frequency domain resource determining unit is specifically configured to determine, by using the frequency domain resource location of the first UE in frame 0, a frequency domain resource location of the first UE in a T frame; or The frequency domain resource position after the UE shifts the c*T subcarriers in the frequency domain resource position of the frame 0 is determined as the frequency domain resource location of the first UE in the T frame, and c is an integer greater than 0.
  • an embodiment of the present invention provides a transmission apparatus for a broadcast message, where the apparatus includes a processor and a transceiver, where
  • the processor is configured to determine time-frequency resource information of the first UE in frame 0 according to the current system frame number T and time-frequency resource information used by the at least one UE before the T-frame, the first
  • the UE is any UE other than the other at least one UE; and determines, according to the current system frame number T and the frequency domain resource location of the first UE in frame 0, the frequency of the first UE in the T frame.
  • the transceiver is configured to use a frequency domain resource location and a time domain resource of the T frame
  • the resource of the location sends a broadcast message of the first UE.
  • the processor is specifically configured to perform linear transformation on the frequency domain resource location and the time domain resource location of the first UE in the frame 0 by using the current system frame number T as a parameter to determine the first UE. a slot group position at the T frame; and determining a slot position of the first UE at frame 0 as a slot position of the first UE at the T frame.
  • the processor is specifically configured to: determine, by the first UE, a time domain resource position after the L*T time slot group of the slot group position of the 0th frame is determined to be the first UE in the T frame. a slot group location, where L is determined by the slot position of the first UE in frame 0 and the frequency domain resource location of the first UE in frame 0, and L is an integer greater than or equal to 0.
  • the processor is specifically configured to determine, by using the frequency domain resource location of the first UE in frame 0, a frequency domain resource location of the first UE in a T frame; or: The frequency domain resource position of the frame 0 is translated by the frequency domain resource position after c*T subcarriers, and is determined as the frequency domain resource location of the first UE in the T frame, and c is an integer greater than 0.
  • Embodiments of the present invention provide a method and an apparatus for transmitting a broadcast message, by dividing a time domain resource location into a slot group location and a slot location, so that the first UE can be based on the slot at frame 0.
  • the group location and the slot location determine the slot group location and the slot location of the first UE in the T frame, then the time domain resource location of the first UE and the time domain of the second UE in a period of one N frame
  • the resource location has N-1 times separated by at least 3 time slots.
  • any two time domain resource locations of UEs using different time-frequency resources are separated by at least 3 time slots, since only The UEs with different time-frequency resources need to wait for the time slot interval when the UEs in the slot are transmitting and receiving the broadcast message. Therefore, any two UEs using different time-frequency resources in the present invention do not need to wait for the reserved time slot when transmitting and receiving broadcast messages.
  • the transmission and reception operations of the broadcast message can be performed at intervals, which solves the problem that the communication speed is reduced and the time-frequency resources are wasted due to the reserved slot interval when the UE performs frequency hopping in the prior art.
  • 1 is a schematic diagram of channel resource division in the prior art
  • FIG. 2 is a flowchart 1 of a method for transmitting a broadcast message according to an embodiment of the present invention
  • FIG. 3 is a second flowchart of a method for transmitting a broadcast message according to an embodiment of the present invention
  • FIG. 4 is a frequency hopping pattern of a method for transmitting a broadcast message according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of hardware of a broadcast message transmission apparatus according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram 1 of a device for transmitting a broadcast message according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram 2 of a device for transmitting a broadcast message according to an embodiment of the present invention.
  • a method for transmitting a broadcast message is provided to perform a hopping Frequency, in each frame, as shown in Table 1, the channel resources can be divided into m subcarriers i in the horizontal frequency domain direction, and divided into n time slot groups j in the vertical time domain direction, each The slot group contains three slots k, where n is a prime number greater than or equal to 3*m, n>m>0.
  • the slot interval ratio increases, which greatly increases the communication speed of the UE and causes time-frequency resources. waste.
  • the channel time-frequency resources are re-divided, and the time domain resources are divided into time slots and time slots in the time slot group, that is, the time domain is distinguished by the sequence pair (j, k).
  • Resource location such that when two UEs (eg, A and C) using different time-frequency resources are not hopping in the same slot group as much as possible in the hop period (N frames), between UEs
  • N frames hop period
  • An embodiment of the present invention provides a method for transmitting a broadcast message, as shown in FIG. 2, including:
  • the first UE determines the time-frequency resource information of the first UE in the frame 0 according to the current system frame number T and the time-frequency resource information used by the at least one UE before the T-frame, and T is an integer greater than or equal to 0.
  • the first UE determines, according to the current system frame number T and the frequency domain resource location of the first UE in frame 0, the frequency domain resource location of the first UE in the T frame.
  • the first UE determines, according to the current system frame number T and the time-frequency resource information of the first UE in the frame 0, the slot group location and the slot position of the first UE in the T frame, and determines that the first UE is in the T
  • the time domain resource location of the number frame wherein the time domain resource location of the first UE and the time domain resource location of the second UE are separated by N-1 times by at least 3 time slots in the period of one N frame, the second The UE is any one of the other at least one UE, and N is an integer greater than one.
  • the first UE sends a broadcast message of the first UE by using a frequency domain resource location of the T frame and a resource of the time domain resource location.
  • the time-frequency resource information includes a frequency domain resource location and a time domain resource location, where the time domain resource location is jointly determined by the slot group location and the slot location in each slot group, the first
  • the UE may be any of all UEs in the D2D system.
  • the first UE may obtain the current system frame number T by using the system broadcast of the base station, and the first UE may also listen to other UEs to send the respective frames in the 0th frame to the T-1 frame before the T number frame.
  • time-frequency resource information used by other UEs that is, a frequency domain resource position i used by other UEs in frames 0 to T-1, and a time domain resource location (j, k).
  • the first UE determines the time-frequency resource information of the first UE itself in the 0th frame according to the frequency domain resource location i used by the other UE before the T-frame and the time domain resource location (j, k).
  • the frequency resource information includes a frequency domain resource location i(0) of the first UE, and a time domain resource location (j(0), k(0)) of the first UE.
  • the first UE listens to time-frequency resource information used by other UEs to transmit respective broadcast messages in frame 0 to frame T-1, when a certain time-frequency resource is from frame 0 to frame T-1.
  • the first UE may determine the time-frequency resource occupied by the time-frequency resource for transmitting the broadcast information by itself, and determine the time-frequency resource information of the frame No. 0, that is, the frequency domain resource location i(0). And the time domain resource location (j(0), k(0)).
  • the first UE may directly determine the system according to the system broadcast sent between the base station or the UE. Time-frequency resource information in frame 0.
  • step 102 after determining that the first UE is in the frequency domain resource location i(0) of frame 0, and the domain resource location (j(0), k(0)) of the first UE, the first UE is based on The current system frame number T and the frequency domain resource location of the first UE in frame 0 determine the frequency domain resource location i(T) of the first UE in the T frame.
  • the first UE may determine the frequency domain resource location i(0) of the first UE in the frame 0 frame as the frequency domain resource location i(T) of the first UE in the T number frame; or, the first UE will The frequency domain resource position after the first UE shifts the c*T subcarriers in the frequency domain resource position i(0) of the frame 0 is determined as the frequency domain resource position i(T) of the first UE in the T frame, where c is an integer greater than zero.
  • step 103 after determining that the first UE is in the frequency domain resource location i(0) of frame 0, and the domain resource location (j(0), k(0)) of the first UE, the first UE is based on Determining, by the first UE, the frequency domain resource location i(0) of frame 0 and the time domain resource location of the first UE (j(0), k(0)), respectively determining the time slot of the first UE in the T frame The group position j(T) and the slot position k(T), such that j(T) and k(T) constitute the time domain resource location of the first UE in the T frame.
  • the first UE may use the current system frame number T as a parameter, and the frequency domain resource location of the first UE in the frame 0 frame.
  • the time domain resource location is linearly transformed to determine a time slot group location of the first UE in the T number frame, such that the first UE (set the first UE is A) a time domain resource location within a period of one N frame, and
  • the time domain resource location of the second UE (the second UE is B) has N-1 times separated by at least 3 time slots, wherein the second UE is any one of the other UEs, that is, j A (T ) -j B (T) is not 0 at least N-1 times in a period of N frames.
  • any two UEs eg, A and B
  • N frames the frequency hopping period
  • the first UE when the first UE linearly transforms the frequency domain resource location and the time domain resource location of the No. 0 frame by the first UE, the first UE may be in the slot group location of the No. 0 frame.
  • the time domain resource position after the L*T time slot group is translated, and is determined as the time slot group position of the first UE in the T number frame, where L is the first UE in the time slot position of the 0th frame and the first UE is The frequency domain resource location of frame 0 is determined in common, and L is an integer greater than or equal to zero.
  • step 104 after the first UE determines the frequency domain resource location i(T), the slot group location j(T), and the slot location k(T) of the T frame, the first UE uses the frequency domain.
  • the resource indicated by the resource location i(T), the slot group location j(T), and the slot location k(T) transmits a broadcast message of the first UE.
  • Embodiments of the present invention provide a method for transmitting a broadcast message, by dividing a time domain resource location into a slot group location and a slot location, so that the first UE can be based on the slot group position at frame 0. And the slot position, determining the slot group position and the slot position of the first UE in the T frame, then, in a period of one N frame, the time domain resource location of the first UE and the time domain resource location of the second UE There are at least 3 time slots separated by N-1 times, that is, in the N-1 frame, the time domain resource positions of any two UEs using different time-frequency resources are separated by at least 3 time slots, since only time slots are available.
  • any two UEs using different time-frequency resources in the present invention can broadcast a message without waiting for a reserved slot interval.
  • the transmitting and receiving operations solve the problem that the communication speed is reduced and the time-frequency resources are wasted due to the reserved slot interval when the UE performs frequency hopping in the prior art.
  • An embodiment of the present invention provides a method for transmitting a broadcast message, as shown in FIG. 3, including:
  • the first UE determines, according to the current system frame number T and the time-frequency resource information used by other UEs before the T-number frame, the frequency domain resource location, the time slot group location, and the first UE in the frame No. 0 corresponding to the T-frame.
  • the slot position, T is an integer greater than or equal to 0;
  • the first UE determines, by using the frequency domain resource position of the first UE in the frequency domain resource position of the frame 0, the frequency domain resource position after the c*T subcarriers, where the first UE is in the frequency domain resource position of the T frame, and c is greater than or equal to An integer of 0;
  • the first UE uses the current system frame number T as a parameter, and the first UE is in frame 0.
  • the frequency domain resource location and the time domain resource location are linearly transformed to determine a slot group location of the first UE in the T frame;
  • the first UE determines, by the first UE, a slot position of the No. 0 frame as a slot position of the first UE in the T frame.
  • the first UE sends the broadcast message of the first UE by using the time-frequency resource information determined by the frequency domain resource location, the slot group location, and the slot location determined by the T-frame determined in steps 202 to 204. .
  • the time-frequency resource information includes a frequency domain resource location i and a time domain resource location (j, k), wherein the time domain resource location (j, k) is determined by the slot group location j and The slot positions k in each slot group are determined together.
  • terminal A is used as the first UE
  • terminal B is used as the second UE.
  • the first UE may obtain the current system frame number N by using the system broadcast of the base station, and the first UE may also listen to other UEs to send the respective frames in the 0th frame to the T-1 frame before the T number frame.
  • the time-frequency resource information used by other UEs when broadcasting a message that is, the frequency domain resource position i used by other UEs in the 0th frame to the T-1th frame, and the time domain resource location (j, k).
  • the first UE determines the time-frequency resource information of the frame 0 in the frame according to the frequency domain resource position i used by the other UE before the T-frame frame and the time domain resource location (j, k), where the time-frequency resource information includes The frequency domain resource location i A (0) of the first UE, and the time domain resource location (j A (0), k A (0)) of the first UE, T ⁇ 0.
  • the first UE After determining the frequency domain resource location i A (0) of the first UE in frame 0, and the time domain resource location (j A (0), k A (0)) of the first UE, the first UE is based on the current The system frame number T and the first UE are in the frequency domain resource location of the frame 0, and step 202 is performed to determine the frequency domain resource location i A (T) of the first UE in the T frame, or the first UE may perform steps. 203 to 204 determine the time domain resource location (j A (T), k A (T)) of the first UE in the T frame.
  • the first UE determines, according to the current system frame number T and the frequency domain resource location of the first UE in frame 0, that the first UE is in the frequency domain resource location i A (T) of the T frame,
  • the frequency domain resource position after the first UE is translated into the frequency domain resource position i A (0) of the frame 0 by c*T subcarriers is determined as the frequency domain resource location of the first UE in the T frame.
  • i A (T) , c is an integer greater than or equal to 0, namely:
  • i A (T) i A (0)+c*T mod m.
  • a first UE UE in the first frequency domain resource location numbers 0 to i A (0) is determined for the first UE in the frequency domain resource location number of the frame T i A (T ).
  • the first UE determines, according to the current system frame number T and the time-frequency resource information of the first UE in frame 0, that the first UE is in the slot group position j A (T) of the T-frame, first The UE may perform linear transformation on the frequency domain resource location i A (0) and the time domain resource location (j A (0), k A (0) of the first UE in frame 0 with the current system frame number T as a parameter.
  • the slot group location j A (T) of the T frame Determining, by the first UE, the slot group location j A (T) of the T frame, such that the first UE (terminal A) has a time domain resource location within a period of one N frame, and the second UE (terminal B)
  • the time domain resource location has N-1 times separated by at least 3 time slots, that is, j A (T)-j B (T) is not zero.
  • the first UE may determine, by the first UE, the time domain resource position after the L*T time slot group in the slot group position j A (0) of the frame 0, to determine that the first UE is in the T frame.
  • n is a prime number greater than or equal to 3*m in Table 1
  • the above formula may cause the first UE (terminal A) to have a time domain resource location within a period of one N frame, and the second UE (terminal B)
  • the time domain resource location has N-1 times separated by at least 3 time slots, as evidenced by:
  • j B (T) j B (0)+(3i B (0)+k B (0))*T mod n;
  • terminal A and terminal B are separated by at least three time slots in the slot group position of any T frame in one cycle.
  • n is a prime number greater than or equal to 3*m
  • the above equation has only one time j A (T)-j B (T) is 0 in the period of one N frame, and therefore, in an N frame During the period, there are cases where the slot positions of the terminal A and the terminal B are not adjacent to N-1 times.
  • n is a prime number greater than or equal to 3*m
  • the above equation has only one time j A (T)-j B (T) is 1 in the period of one N frame, and therefore, in an N frame During the period, there are cases where the slot positions of the terminal A and the terminal B are not adjacent to N-1 times.
  • the first UE may determine the slot group position j A (T) of the first UE in the T frame according to the formula (1), and ensure that the time of the first UE (terminal A) is within a period of one N frame.
  • the domain resource location is separated from the time domain resource location of the second UE (terminal B) by at least 3 slots N-1 times.
  • step 204 when the first UE determines that the first UE is in the slot position k A (T) of the T frame, the first UE may determine the slot position k A (0) of the No. 0 frame as the first.
  • the slot position k A (T) of the UE in the T frame ie:
  • step 205 after the first UE performs the above steps 201 to 204, the frequency domain resource location i A (T) of the first UE in the T frame, the slot group location j A (T), and the time slot may be determined. Position k A (T), then the first UE can acquire resources of the location indicated by the frequency domain resource location i A (T), the slot group location j A (T), and the slot location k A (T), And using the resource to send a broadcast message of the first UE.
  • any UE sends its own broadcast message according to the foregoing steps 201 to 205, it can be ensured that any two UEs using different time-frequency resource information are in the period of each N frame when transmitting the broadcast message.
  • the N-1 time slot positions are not adjacent. Therefore, in the process of transmitting and receiving the N-1 broadcast messages, there is no need to wait for the reserved time slot interval for data transmission, thereby improving the communication rate between the UEs. And improve the utilization of time-frequency resources.
  • the frequency hopping pattern obtained by the UE according to the transmission method of the broadcast message is performed.
  • f is the frame number.
  • the time-frequency resources at the position of the adjacent time slot of the time-frequency resource at frame 0 are never repeated in the first to sixth frames. Therefore, the 6 broadcasts are repeated. During the sending and receiving of messages, there is no need to wait for the reserved slot interval. Data transfer.
  • An embodiment of the present invention provides a method for transmitting a broadcast message, by dividing a time domain resource location into a slot group location and a slot location, so that the first UE can be based on the slot group position in frame 0 and The slot position determines the slot group position and the slot position of the first UE in the T frame. Then, in a period of one N frame, the time domain resource location of the first UE and the time domain resource location of the second UE are N-1 times are separated by at least 3 time slots, that is, in the N-1 frame, the time domain resource positions of any two UEs using different time-frequency resources are separated by at least 3 time slots, since only the time slot phase The neighboring UEs need to wait for the time slot interval when performing broadcast message transmission.
  • any two UEs using different time-frequency resources in the present invention can broadcast messages without waiting for the reserved time slot interval.
  • the transceiver operation solves the problem that the communication speed is reduced and the time-frequency resource is wasted due to the reserved slot interval when the UE performs frequency hopping in the prior art.
  • FIG. 5 is a block diagram showing the hardware of a broadcast message transmitting apparatus of the present invention.
  • the transmission device of the broadcast message may be various UEs in a D2D (Device to Device) communication network (that is, a communication method directly performed between devices without passing through a base station).
  • D2D Device to Device
  • the control device includes a processor 11, a transceiver 12, a memory 13, and a bus 14.
  • the processor 11, the transceiver 12 and the memory 13 communicate via the bus 14.
  • the processor 11 is a control center of the UE.
  • the processor 11 performs various functions of the UE by processing data received by the transceiver 12 and calling software or programs in the memory 13.
  • the transceiver 12 can be used for transmitting and receiving information or during a call, and receiving and transmitting signals. After receiving the information sent by the terminal, the transceiver 12 processes the information to the processor 11. In addition, the transceiver 12 can communicate with the network and other devices through wireless communication. .
  • the memory 13 can be used to store software programs or data, and the processor 11 executes various functional applications and data processing of the UE by running software programs or data stored in the memory 13.
  • the transceiver 12 acquires the current system frame number T and time-frequency resource information used by other UEs before the T-number frame, and uses the current system frame number T and other UEs before the T-frame.
  • the frequency resource information is stored in the memory 13, wherein the time-frequency resource information includes a frequency domain resource location and a time domain resource location, wherein the time domain resource location is determined by a time slot group location and each time slot group The slot position is determined jointly, T ⁇ 0.
  • the processor 11 determines, according to the current system frame number T in the memory 13 and the time-frequency resource information used by other UEs before the T-frame frame, that the first UE is in frame 0.
  • the processor 11 determines, according to the current system frame number T in the memory 13 and the frequency domain resource location of the first UE in the frame 0 frame, the frequency domain resource location of the first UE in the T-number frame; The processor 11 determines, according to the current system frame number T in the memory 13 and the time-frequency resource information of the first UE No.
  • the transceiver 12 transmits the broadcast message of the first UE by using the resources of the frequency domain resource location and the time domain resource location of the T frame.
  • the processor 11 determines, according to the current system frame number T in the memory 13 and the time-frequency resource information of the first UE No. 0 frame, the location and time of the slot group of the first UE in the T-frame.
  • the processor 11 is further configured to: perform linear transformation on the frequency domain resource location and the time domain resource location of the first UE in frame 0 by using the current system frame number T as a parameter, Determining a slot group position of the first UE in a T frame; and determining a slot position of the first UE in a frame 0 as a slot position of the first UE in a T frame.
  • the processor 11 linearly transforms the frequency domain resource location and the time domain resource location of the first UE in frame 0 by using the current system frame number T as a parameter.
  • the processor 11 may be further configured to: when the first UE is translated by L*T in the slot group position of the 0th frame, when the first UE is in the slot group position of the T frame.
  • the time domain resource location after the slot group is determined as the slot group location of the first UE in the T number frame, where L is the first UE in the slot position of frame 0 frame and the first UE
  • the frequency domain resource locations of frame 0 are determined together, and L is an integer greater than or equal to zero.
  • the processor 11 determines, according to the current system frame number T in the memory 13 and the frequency domain resource location of the first UE in the frame 0 frame, when the first UE is in the frequency domain resource location of the T frame.
  • the processor 11 may be further configured to determine, by using the frequency domain resource location of the first UE in frame 0, a frequency domain resource location of the first UE in a T frame; or The frequency domain resource position after the UE shifts the c*T subcarriers in the frequency domain resource position of the frame 0 is determined as the frequency domain resource location of the first UE in the T frame, and c is an integer greater than 0.
  • the frequency domain resource location includes m subcarriers, the time domain resource location includes n time slot groups, and each time slot group includes three time slots, where n is a prime number greater than or equal to 3*m , n>m>0.
  • An embodiment of the present invention provides a UE, by dividing a time domain resource location into a slot group location and a slot location, so that the first UE can according to the slot group position and the slot position in the frame 0 frame. Determining the slot group position and the slot position of the first UE in the T frame, then, in a period of one N frame, the time domain resource location of the first UE and the time domain resource location of the second UE have N-1
  • the time interval is at least 3 time slots, that is, in the N-1 frame, the time domain resource positions of any two UEs using different time-frequency resources are at least 3 time slots, since only the slots adjacent to the UE When the broadcast message is sent and received, it is necessary to wait for the time slot interval.
  • any two UEs using different time-frequency resources in the present invention can perform the broadcast message transmission and reception without waiting for the reserved time slot interval when transmitting and receiving the broadcast message.
  • the problem that the communication speed is reduced and the time-frequency resource is wasted due to the reserved slot interval when the UE performs frequency hopping is solved in the prior art.
  • An embodiment of the present invention provides a transmission apparatus for a broadcast message, as shown in FIG. 6, including:
  • the initial resource determining unit 21 is configured to determine, according to the current system frame number T and the time-frequency resource information used by the at least one UE before the T-frame, the time-frequency resource information of the first UE in the frame 0, where
  • the frequency resource information includes a frequency domain resource location and a time domain resource location, wherein the time domain resource location is determined by a slot group location and a slot location in the slot group, and T is an integer greater than or equal to 0;
  • the frequency domain resource determining unit 22 is configured to determine, according to the current system frame number T in the initial resource determining unit 21 and the frequency domain resource location of the first UE in the frame 0 frame, that the first UE is in the T The frequency domain resource location of the number frame;
  • the time domain resource determining unit 23 is configured to determine, according to the current system frame number T in the initial resource determining unit 21 and the time-frequency resource information of the first UE in the frame 0 frame, that the first UE is in the T-number frame. a time slot group location and a time slot location, and determining a time domain resource location of the first UE in a T number frame, wherein the time domain resource location of the first UE is in the period of one N frame
  • the time domain resource location of the second UE has N-1 times separated by at least 3 time slots, the second UE is any one of the other at least one UE, and N is an integer greater than 1.
  • the broadcast message transmission unit 24 is configured to send, by using the resources of the frequency domain resource location and the time domain resource location of the T frame determined by the frequency domain resource determining unit 22 and the time domain resource determining unit 23, A broadcast message of a UE.
  • the time domain resource determining unit includes a slot group determining unit 25 and a slot determining unit 26, where
  • the time slot group determining unit 25 is configured to perform linear transformation on the frequency domain resource location and the time domain resource location of the first UE in the frame 0 frame by using the current system frame number T as a parameter to determine the a slot group location of the first UE in the T frame;
  • the time slot determining unit 26 is configured to determine, by the first UE, a slot position of the No. 0 frame as a slot position of the first UE in the T number frame.
  • the time slot group determining unit 25 is specifically configured to: determine, by the first UE, a time domain resource position after the L*T time slot group in the slot group position of the 0th frame is determined as the first a UE is in a slot group position of the T frame, wherein L is determined by the first UE in the slot position of the 0 frame and the first UE in the frequency domain resource position of the 0 frame. Let L be an integer greater than or equal to zero.
  • the frequency domain resource determining unit 22 is specifically configured to determine, by using the frequency domain resource location of the first UE in frame 0, the frequency domain resource location of the first UE in the T frame; or Determining, by the first UE, a frequency domain resource position after the C*T subcarriers in the frequency domain resource position of the frame 0 is determined as a frequency domain resource location of the first UE in the T frame, where c is greater than 0. Integer.
  • the frequency domain resource location includes m subcarriers, the time domain resource location includes n time slot groups, and each time slot group includes three time slots, where n is a prime number greater than or equal to 3*m , n>m>0.
  • Embodiments of the present invention provide a broadcast message transmission apparatus, by dividing a time domain resource location into a slot group location and a slot location, so that the first UE can be based on the slot group position in frame 0. And the slot position, determining the slot group position and the slot position of the first UE in the T frame, then, in a period of one N frame, the time domain resource location of the first UE and the time domain resource location of the second UE There are at least 3 time slots separated by N-1 times, that is, in the N-1 frame, the time domain resource positions of any two UEs using different time-frequency resources are separated by at least 3 time slots, since only time slots are available. When a neighboring UE performs broadcast messaging, it needs to wait for a slot interval.
  • any two UEs using different time-frequency resources in the present invention can broadcast a message without waiting for a reserved slot interval.
  • the transmitting and receiving operations solve the problem that the communication speed is reduced and the time-frequency resources are wasted due to the reserved slot interval when the UE performs frequency hopping in the prior art.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention se rapporte au domaine des communications. Dans l'un de ses modes de réalisation, l'invention concerne un procédé et un dispositif de transmission d'un message de diffusion qui résolvent les problèmes de vitesse de communication réduite et de ressources temps-fréquence gaspillées, provoqués par un intervalle de tranche de temps réservé, ce procédé comprenant les étapes suivantes : un premier équipement utilisateur (UE) détermine des informations de ressources temps-fréquence du premier UE au niveau d'une trame 0 conformément à un nombre T de trames de système actuel, et des informations de ressources temps-fréquence utilisées avant une trame T d'au moins un autre UE ; le premier UE détermine une position de ressources du domaine fréquentiel du premier UE au niveau de la trame T conformément au nombre T de trames de système actuel et à la position de ressources de domaine fréquentiel du premier UE au niveau de la trame 0 ; conformément au nombre T de trames de système actuel et aux informations de ressources temps-fréquence du premier UE au niveau de la trame 0, le premier UE détermine une position de groupe de tranches de temps et une position de tranche de temps du premier UE au niveau de la trame T, et détermine une position de ressources de domaine temporel du premier UE au niveau de la trame T ; et le premier UE utilise des ressources de la position de ressources du domaine fréquentiel et de la position de ressources du domaine temporel de la trame T pour envoyer un message de diffusion du premier UE.
PCT/CN2014/094566 2014-12-22 2014-12-22 Procédé et dispositif de transmission de message de diffusion Ceased WO2016101112A1 (fr)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013074031A1 (fr) * 2011-11-14 2013-05-23 Telefonaktiebolaget L M Ericsson (Publ) Équipement utilisateur, station de base radio, rbs et leurs procédés pour transmettre une sous-trame comprenant au moins deux signaux de référence, rs, à la rbs
CN103220077A (zh) * 2012-01-21 2013-07-24 华为技术有限公司 数据发送和接收方法、基站和用户设备
CN104221314A (zh) * 2013-03-22 2014-12-17 华为技术有限公司 控制信息传输方法及用户设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8369424B2 (en) * 2006-07-14 2013-02-05 Qualcomm Incorporated Frequency selective and frequency diversity transmissions in a wireless communication system
CN101150825B (zh) * 2006-09-22 2010-10-06 华为技术有限公司 一种检测干扰邻居的方法、系统、基站及终端
CN101400065B (zh) * 2007-09-29 2012-11-28 中兴通讯股份有限公司 跳频资源的信令表示方法
CN101425991A (zh) * 2007-11-02 2009-05-06 大唐移动通信设备有限公司 一种广播信息的传输方法和装置
CN101651469B (zh) * 2008-08-15 2013-07-24 三星电子株式会社 用于lte系统中发送上行监测参考符号的跳频方法
CN106059656B (zh) * 2011-03-24 2019-06-25 Lg电子株式会社 用于发送/接收信号的方法及其装置
CN103220773B (zh) * 2012-01-20 2015-12-16 电信科学技术研究院 卫星通信系统中实现初始同步的方法及装置
WO2015123877A1 (fr) * 2014-02-22 2015-08-27 华为技术有限公司 Procédé et terminal à saut de temps-fréquence de ressources de découverte

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013074031A1 (fr) * 2011-11-14 2013-05-23 Telefonaktiebolaget L M Ericsson (Publ) Équipement utilisateur, station de base radio, rbs et leurs procédés pour transmettre une sous-trame comprenant au moins deux signaux de référence, rs, à la rbs
CN103220077A (zh) * 2012-01-21 2013-07-24 华为技术有限公司 数据发送和接收方法、基站和用户设备
CN104221314A (zh) * 2013-03-22 2014-12-17 华为技术有限公司 控制信息传输方法及用户设备

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