WO2019056983A1 - 无线通信***中的电子设备、方法和计算机可读存储介质 - Google Patents
无线通信***中的电子设备、方法和计算机可读存储介质 Download PDFInfo
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Definitions
- Embodiments of the present invention generally relate to the field of wireless communications, and more particularly to electronic devices in wireless communication systems, wireless communication methods performed by electronic devices in wireless communication systems, and computer readable storage media.
- UAVs Unmanned Aerial Vehicles
- UE User Equipment
- the flying height and speed of the drone are much larger than those of the ordinary UE on the ground.
- the drone can be regarded as a normal UE.
- the flying height of the drone is high (for example, higher than the base station), since the attenuation of the high-altitude electromagnetic signal is small, the uplink signal from the drone will be received by more cells, and the drone will also receive Downstream signals from more cells, which may cause interference.
- An object of the present disclosure is to provide an electronic device in a wireless communication system, a wireless communication method performed by an electronic device in a wireless communication system, and a computer readable storage medium to solve interference in a wireless communication system including a drone device problem.
- an electronic device in a wireless communication system including processing circuitry configured to generate resource configuration information according to an interference condition experienced by a user equipment, the current height of the user equipment being above a height threshold And transmitting the resource configuration information to a base station device of a cell other than the neighboring cell of the current serving cell of the user equipment, for the base station device of the other cell to configure a resource for transmitting information.
- an electronic device in a wireless communication system including processing circuitry configured to: generate resource configuration information according to an interference condition experienced by the electronic device; and to be in addition to the electronic device
- the base station device of the cell other than the neighboring cell of the cell sends the resource configuration information, so that the base station device for the other cell configures a resource for sending information for the user equipment, where the current height of the user equipment is higher than the height. Threshold.
- a wireless communication method performed by an electronic device in a wireless communication system, comprising: generating resource configuration information according to an interference condition received by a user equipment, the current height of the user equipment being higher than a height a threshold value; and transmitting the resource configuration information to a base station device of a cell other than the neighboring cell of the current serving cell of the user equipment, for the base station device of the other cell to configure a resource for transmitting information.
- a wireless communication method performed by an electronic device in a wireless communication system, comprising: generating resource configuration information according to an interference condition experienced by the electronic device; and The base station device of the cell other than the neighboring cell of the cell sends the resource configuration information, so that the base station device for the other cell configures a resource for sending information for the user equipment, where the current height of the user equipment is higher than the height. Threshold.
- a computer readable storage medium comprising executable computer instructions that, when executed by a computer, cause the computer to perform a wireless communication method in accordance with the present disclosure.
- an electronic device in a wireless communication system Using an electronic device in a wireless communication system according to the present disclosure, a wireless communication method performed by an electronic device in a wireless communication system, and a computer readable storage medium, in a downlink interference scenario, the electronic device can generate an interference condition according to the user device
- the resource configuration information is sent to the base station device of the cell other than the neighboring cell of the current serving cell, and is used by the base station device of the other cell to configure the resource for transmitting the information.
- the electronic device can coordinate the resource for transmitting information with the base station device of the cell other than the neighboring cell to solve the interference problem in the downlink interference scenario.
- an electronic device in a wireless communication system Using an electronic device in a wireless communication system according to the present disclosure, a wireless communication method performed by an electronic device in a wireless communication system, and a computer readable storage medium, in an uplink interference scenario, the electronic device can generate an interference condition according to the electronic device
- the resource configuration information is sent to the base station device of the cell other than the neighboring cell of the current serving cell, and the base station device configured for the other cell configures a resource for transmitting information for the user equipment.
- the electronic device can coordinate the resource for transmitting information with the base station device of the cell other than the neighboring cell to solve the interference problem in the uplink interference scenario.
- FIG. 1 is a schematic diagram showing a downlink interference scenario according to an embodiment of the present disclosure
- FIG. 2 is a schematic diagram showing an uplink interference scenario in accordance with an embodiment of the present disclosure
- FIG. 3 is a schematic diagram showing resources for transmitting a reference signal, according to an embodiment of the present disclosure
- FIG. 4 illustrates a schematic diagram of information transmission causing uplink and downlink interference, in accordance with an embodiment of the present disclosure
- FIG. 5 is a block diagram showing a structure of an electronic device according to an embodiment of the present disclosure.
- FIG. 6 is a signaling flowchart illustrating acquiring, by an X2 interface, a resource used by a base station device to transmit information, according to an embodiment of the present disclosure
- FIG. 7 is a schematic diagram showing time division multiplexing of resources for transmitting information of the same group of base station devices, according to an embodiment of the present disclosure
- FIG. 8 is a schematic diagram showing frequency division multiplexing of resources for transmitting information of the same group of base station devices, according to an embodiment of the present disclosure
- FIG. 9 is a schematic diagram showing space division multiplexing of resources for transmitting information of the same group of base station devices, according to an embodiment of the present disclosure.
- FIG. 10 is a schematic diagram showing grouping of base station devices according to an embodiment of the present disclosure.
- 11 is a schematic diagram showing time division multiplexing of resources for transmitting information of each group of base station devices, according to an embodiment of the present disclosure
- FIG. 12 is a signaling flowchart illustrating a downlink interference scenario, according to an embodiment of the present disclosure
- FIG. 13 is a signaling flowchart illustrating an uplink interference scenario according to an embodiment of the present disclosure
- FIG. 14 is a flowchart illustrating a wireless communication method performed by an electronic device in a wireless communication system, according to an embodiment of the present disclosure
- FIG. 15 is a flowchart illustrating a wireless communication method performed by an electronic device in a wireless communication system, according to another embodiment of the present disclosure.
- 16 is a block diagram showing a first example of a schematic configuration of an evolved Node B (eNB);
- eNB evolved Node B
- FIG. 17 is a block diagram showing a second example of a schematic configuration of an eNB.
- Example embodiments are provided so that this disclosure will be thorough, and the scope will be fully conveyed by those skilled in the art. Numerous specific details, such as specific components, devices, and methods, are set forth to provide a thorough understanding of the embodiments of the present disclosure. It will be apparent to those skilled in the art that ⁇ RTIgt; ⁇ / RTI> ⁇ RTIgt; ⁇ / RTI> ⁇ RTIgt; ⁇ / RTI> ⁇ RTIgt; In some example embodiments, well-known processes, well-known structures, and well-known techniques are not described in detail.
- FIG. 1 is a schematic diagram showing a downlink interference scenario according to an embodiment of the present disclosure.
- a hop neighbor cell of cell A in a wireless communication system, includes: a1, a2, a3, a4, a5, and a6.
- the one-hop neighboring cell of the cell A is also referred to as the neighboring cell of the cell A.
- the neighboring cell of the cell A refers to a one-hop neighboring cell of the cell A, that is, a cell whose geographical location is adjacent to the cell A.
- the two-hop neighboring cell of cell A includes: b1, b2, ..., b12.
- the two-hop or more hop neighbor cells of cell A are referred to as cells other than the neighbor cell of cell A.
- the wireless communication system also includes a drone device UAV.
- the current serving cell of the UAV device UAV is the cell A, and when the UAV altitude reaches a certain threshold, the base station is closer to the base station of the cell b6 or the link quality of the base station of the cell b6 is compared. It is good to be able to receive downlink information from cell b6.
- the UAV device UAV can simultaneously receive the downlink information of the base station of the cell A and the base station of the cell b6, if the base station of the cell A and the base station of the cell b6 use the same resource to transmit the downlink information. Then, the information from the base station of the cell A and the information from the base station of the cell b6 can be regarded as interference information with respect to each other, thereby causing the UAV device UAV to fail to correctly demodulate information from either party. It can be seen that in the scenario shown in FIG. 1, the UAV device can receive downlink information from multiple base station devices, and multiple base station devices use the same resources to transmit downlink information, so such a scenario is in this document. It is called a downlink interference scene.
- the present disclosure is not limited thereto, and a plurality of drone devices may be included in the wireless communication system.
- the wireless communication system shown in FIG. 1 only one-hop neighboring cell and two-hop neighboring cell of the cell A are shown, and the cell A may also have a neighboring cell of more than two hops.
- the number of base stations that cause interference to the UAV device may be two or more, and the cells in which the base stations are located may be one-hop neighbor cells, two-hop neighbor cells, or more hop neighbor cells. That is, the present disclosure is not limited to the downlink interference scenario shown in FIG. 1, and the present disclosure is applicable to all wireless communication systems that are subject to downlink information interference from a plurality of base station devices at the drone device.
- the wireless communication system also includes drone devices UAV1 and UAV2.
- the current serving cell of the UAV device UAV1 is the cell b7
- the current serving cell of the UAV device UAV2 is the cell b9.
- the base station of the cell A can receive the slave station from the base station of the cell A or the link quality of the cell of the cell A is good.
- the base station of the cell A can simultaneously receive the uplink information of the UAV devices UAV1 and UAV2, and if the UAV devices UAV1 and UAV2 use the same resources to transmit the uplink information, then the UAV device from the UAV device.
- the information and the information from the UAV device UAV2 can be regarded as interference information with respect to each other, so that the base station of the cell A cannot correctly demodulate the information from either party. It can be seen that in the scenario shown in FIG. 2, the base station can receive uplink information from multiple UAV devices, and multiple UAV devices use the same resources to transmit uplink information, so such a scenario is in this paper. It is called the uplink interference scene.
- the present disclosure is not limited thereto, and more drone devices may be included in the wireless communication system.
- the wireless communication system shown in FIG. 2 only one-hop neighboring cell and two-hop neighboring cell of the cell A are shown, and the cell A may also have a neighboring cell of more than two hops.
- the number of UAV devices causing interference to the base station may be two or more, and the UAV device may be from a one-hop neighboring cell, a two-hop neighboring cell, or more hop neighboring cells of the cell where the base station is located. . That is, the present disclosure is not limited to the uplink interference scenario shown in FIG. 2, and the present disclosure is applicable to all wireless communication systems that are subject to uplink information interference from a plurality of drone devices at the base station device.
- the information causing the interference may include data information and control information.
- the control information may include a Reference Signal (RS).
- RS Reference Signal
- the reference signals herein include, but are not limited to, SRS (Sounding Reference Signals), CRS (Cell-specific reference signals), and CSI-RS (Channel State Information Reference Signal).
- FIG. 3 is a schematic diagram showing resources for transmitting a reference signal, according to an embodiment of the present disclosure.
- FIG. 3 only illustrates the configuration of the resource for transmitting information by taking the CRS as an example.
- the horizontal axis represents the time domain
- the vertical axis represents the frequency domain
- each small square represents an RE (Resource Element)
- one subframe (14 OFDM symbols) in the time domain is shown.
- each subframe includes two slots, and CRS is transmitted on two subcarriers on the first and fourth OFDM symbols in each slot (black squares show transmission) CRS RE).
- the configuration for other offsets is similar.
- FIG. 3 illustrates a resource allocation manner in which downlink interference is generated by transmitting CRS as an example.
- the principle for generating downlink interference from other control information and generating uplink interference from control information is similar.
- the principle of generating downlink interference and uplink interference from data information is similar. That is, receiving downlink information from multiple base station devices using the same resource at the UAV device may cause downlink interference, or receiving uplink information from multiple UAV devices using the same resource at the base station. Causes uplink interference.
- Resources herein may include spectrum resources.
- FIG. 4 illustrates a schematic diagram of information transmission causing uplink and downlink interference, according to an embodiment of the present disclosure.
- the upper part of Fig. 4 shows a schematic diagram of information transmission causing downlink interference
- the lower part of Fig. 4 shows a schematic diagram of information transmission causing uplink interference.
- the base station of the cell A and the base station of the cell b6 use the same resource, for example, the same frequency resource to transmit downlink information
- the base station of the cell A and the base station of the cell b6 will be in time Continuously transmitting downlink information (for example, transmitting CRS in each time slot of each subframe), thereby causing the UAV described in FIG.
- the present disclosure proposes, in the above scenario, an electronic device in a wireless communication system, a wireless communication method performed by an electronic device in a wireless communication system, and a computer readable storage medium to solve the problem in a wireless communication system including a drone device. Interference problem.
- FIG. 5 is a block diagram showing the structure of an electronic device 400 according to an embodiment of the present disclosure.
- the electronic device 400 herein may be a base station device in a wireless communication system, which may include a plurality of base station devices and one or more drone devices. As shown in FIG. 5, the electronic device 400 may include a generating unit 410 and a transceiving unit 420.
- various units of the electronic device 400 may be included in the processing circuit. It should be noted that the electronic device 400 may include one processing circuit or multiple processing circuits. Further, the processing circuitry can include various discrete functional units to perform various different functions and/or operations. It should be noted that these functional units may be physical entities or logical entities, and differently named units may be implemented by the same physical entity.
- the generating unit 410 may generate resource configuration information according to an interference situation that the user equipment is subjected to, and the current height of the user equipment is higher than a height threshold.
- the electronic device 400 may be a base station device of a current serving cell of the user equipment, and the user equipment may be a drone device.
- the drone equipment when the flying height of the drone is low (relative to the base station), the drone equipment can be regarded as a general UE; and when the flying height of the drone is high (for example, higher than the base station), Due to the low attenuation of high-altitude electromagnetic signals, drone equipment cannot be regarded as a general UE.
- the height threshold may be a threshold that determines whether the UAV device can be considered a general UE. That is to say, when the current height of the user equipment is higher than the height threshold, the user equipment cannot be regarded as a general UE.
- the transceiving unit 420 may transmit resource configuration information to a base station device of a cell other than the neighboring cell of the current serving cell of the user equipment, for the base station device of the other cell to configure a resource for transmitting information.
- the current serving cell of the user equipment may be the electronic device 400 as a cell of the base station device.
- the neighboring cell of the current serving cell refers to a one-hop neighboring cell of the current serving cell, that is, a cell whose geographical location is adjacent to the current serving cell. That is to say, other cells except the neighboring cell of the current serving cell are two-hop neighbor cells or more hop neighbor cells of the current serving cell.
- the transceiving unit 420 may transmit resource configuration information for resources of a base station device configured to transmit information for other cells to the other cells.
- the electronic device can transmit resource configuration information to a base station device of a cell other than the neighboring cell.
- a base station device of a cell other than the neighboring cell For a typical UE, when it is located at the cell edge, downlink signals from two base station devices may be received. That is to say, the base station equipment causing interference to the UE is from the neighboring cell. Therefore, in the conventional interference coordination scheme, the base station device can only transmit information for coordinating resources to the base station device of the neighboring cell.
- the base station device may send resource configuration information for coordinating resources to the base station device of the cell other than the neighboring cell, so that the downlink interference problem in the wireless communication system including the drone can be solved. .
- the electronic device 400 may further include an interference determination unit 430.
- the interference determining unit 430 may determine, according to the electronic device 400, the base station device of the neighboring cell, and the resource used by the base station device of the other cell to send information, the interference condition received by the user equipment.
- the information transmitted by the electronic device 400, the information transmitted by the base station device of the neighboring cell, and the information transmitted by the base station device of other cells may include the data information and the control information.
- the control information may also include a reference signal. That is, when the electronic device 400 wishes to determine the interference situation that the user equipment is subjected to the data information, it may be determined according to the resources used by the electronic device 400, the base station device of the neighboring cell, and the base station device of the other cell to transmit the data information; When the device 400 desires to determine the interference situation that the user equipment receives for the control information, it may be determined according to the resources used by the electronic device 400, the base station device of the neighboring cell, and the base station device of another cell to send the control information.
- the interference determining unit 430 may determine that the user equipment is interfered.
- the resource for transmitting information may include a spectrum resource for transmitting information.
- the interference determining unit 430 may determine that the user equipment is interfered. For example, in the example shown in FIG.
- the interference determining unit 430 can It is determined that the user equipment is interfered with the control information CRS.
- the electronic device 400 may be aware of a resource that the electronic device 400 uses to transmit information. That is to say, the interference determining unit 430 of the electronic device 400 also needs to acquire the resources of the base station device of the neighboring cell and the base station device of the other cell for transmitting information. The manner in which several electronic devices 400 acquire base station devices of neighboring cells and base station devices of other cells for transmitting information will be described below.
- the electronic device 400 may acquire, by using an X2 interface, a resource of a base station device of a neighboring cell and a base station device of another cell for transmitting information.
- each of the electronic device 400, the base station device of the neighboring cell, and the base station device of the other cell may send information to the neighboring cell of the cell where the device is located through the X2 interface, to notify all the base station devices known by the device.
- the resource used to send information That is to say, for each of the above devices, each time a new device is used to send information resources, information is sent to the neighboring cell of the cell in the neighboring cell through the X2 interface, to inform the neighboring cell that the learned new device is used for The resource that sent the message.
- FIG. 6 is a signaling flow diagram illustrating acquiring resources of all base station devices for transmitting information through an X2 interface, according to an embodiment of the present disclosure.
- the base station 1, the base station 2, and the base station 3 are all base station devices in the wireless communication system, where the cell where the base station 1 is located and the cell where the base station 2 is located belong to the neighboring cell, and the cell where the base station 2 is located and the base station 3 are located.
- the cell belongs to the neighboring cell, and the cell where the base station 1 is located and the cell where the base station 3 is located are not neighboring cells.
- each of the base station 1, the base station 2, and the base station 3 transmits the resource used by the base station to transmit information to the neighboring cell of the cell in the cell through the X2 interface. That is, the base station 2 transmits the resources for the base station 2 to transmit information to the base station 1 and the base station 3, the base station 1 transmits the resources for the base station 1 to transmit information to the base station 2, and the base station 3 transmits the resources for the base station 3 to transmit information to the base station 2. .
- step S502 since the base station 1, the base station 2, and the base station 3 both receive resources from other base stations for transmitting information, each base station transmits all the information learned by itself to the neighboring cell of the cell in the cell through the X2 interface.
- a resource used by a base station to transmit information That is, the base station 1 transmits to the base station 2 resources for transmitting information by the base station 1 and the base station 2, and the base station 2 transmits to the base station 1 resources for transmitting information by the base station 2 and the base station 3, and the base station 2 transmits the base station 1 and the base station 2 to the base station 3.
- the resource for transmitting information, and the base station 3 transmits to the base station 2 resources for transmitting information by the base station 2 and the base station 3. As shown in FIG.
- the base station 1 can learn the resources used by the base station 2 and the base station 3 to transmit information, and the base station 2 can learn the resources used by the base station 1 and the base station 3 to transmit information, and the base station 3 can learn the base station 1 and The base station 2 is used to transmit resources of information.
- the method of multiple transmissions can enable any one of the base stations in the wireless communication system to know the wireless communication system.
- the resources used by all base stations to send information can be seen that, according to the embodiment of the present disclosure.
- the electronic device 400 may further acquire, by using an S1 interface, a resource of a base station device of a neighboring cell and a base station device of another cell for transmitting information.
- the electronic device 400 may acquire, from the MME (Mobility Management Entity) in the core network, the base station device of the neighboring cell and the base station device of the other cell for transmitting information by using the S1 interface.
- the electronic device 400 may report the resource used by the electronic device 400 to transmit information to the MME through the S1 interface. This escalation can be periodic or event triggered. In this way, all the base station devices in the wireless communication system report the resources for transmitting information to the MME through the S1 interface.
- the electronic device 400 needs to acquire the resources used by the base station device to send information, the device obtains the information from the MME through the S1 interface. Just fine.
- the base station can directly obtain information from the MME through the S1 interface, so that the obtaining step is simple and easy, saving time and signaling overhead.
- a process in which the electronic device 400 acquires a resource of a base station device of a neighboring cell and a base station device of another cell for transmitting information through an X2 interface or an S1 interface may be periodically triggered. That is to say, at a certain time interval, the electronic device 400 periodically acquires resources for transmitting information by the base station device of the neighboring cell and the base station device of the other cell through the X2 interface or the S1 interface.
- the electronic device 400 may use the latest acquired result when determining the interference situation that the user equipment is subjected to.
- the resource used by the base station to send the control information may correspond to one or more parameters of the base station.
- the resource used by the base station to transmit the CRS is associated with the PCI (Physical Cell Identifier) of the base station.
- the electronic device 400 may acquire the resources of the base station device of the neighboring cell and the base station device of the other cell for transmitting information by using the parameters of the base station device of the neighboring cell and the base station device of the other cell.
- the parameters of the base station device of the neighboring cell and the base station device of the other cell may be stored in the electronic device 400 in advance, or may be acquired by the electronic device 400 from the MME through the S1 interface, without updating.
- resources for transmitting information such as a number of a spectrum resource for transmitting information (a relationship of a number and a spectrum resource in a one-to-one correspondence), and the like, may be expressed in various forms.
- the resource for transmitting control information has only a few fixed configurations, and in this case, the resource for transmitting the control information may also be represented by the configured number.
- resources for transmitting CRS may be represented by numbers 0-5.
- the resource used by the base station device to transmit the control information corresponds to one or more parameters of the base station device
- the resource for transmitting the control information may also be represented by the parameter of the base station device. For example, if the electronic device 400 knows the PCI of a certain base station device, the resource used by the base station device to send the control information may be determined according to the PCI.
- the interference determining unit 430 can determine the transmission control of the electronic device, the base station device of the neighboring cell, and the base station device of the other cell according to the PCI of the electronic device, the base station device of the neighboring cell, and the base station device of the other cell. Information resources.
- the electronic device 400 may determine, by various embodiments, the resources of the electronic device 400, the base station device of the neighboring cell, and the base station device of another cell for transmitting information, thereby determining the coverage of the electronic device 400. Whether the user equipment inside is disturbed.
- the interference determining unit 430 may further determine an interference condition that the user equipment is subjected according to the location information of the user equipment.
- the user equipment within the coverage of the electronic device 400 can periodically report its location, so that the electronic device 400 can acquire location information of all user equipments within its coverage.
- the user equipment can only receive signals of a part of the base station devices in the wireless communication system, for example, the user equipment can receive a signal of the base station device closer to itself, the user equipment can receive between itself and the user.
- the signal of the base station device with a good link condition, etc. therefore, the electronic device 400 can also consider the location information of the user device when determining whether the user equipment is interfered.
- the interference determining unit 430 may determine, according to the resources of the base station device of the neighboring cell, the base station device of the neighboring cell, and the base station device of the other cell that is smaller than the distance threshold, the base station device uses the resource for transmitting the information to determine that the user device is subjected to the information. Interference situation.
- the interference determining unit 430 may further consider information such as location information of the user equipment and link quality of the user equipment from the base station device, such that the base station device of the electronic device 400, the base station device of the neighboring cell, and other cells A part of the base station equipment is selected, and the interference condition of the user equipment is determined according to resources used by the part of the base station equipment to send information.
- the principle of selecting a part of the base station equipment is that the downlink signal sent by the selected base station equipment may reach the user equipment, that is, the part of the base station equipment is a potential interference source of the user equipment.
- the electronic device 400 when determining the interference situation that the user equipment is subjected to, can only consider part of the base station equipment, which can simplify the process, reduce signaling overhead, and avoid affecting excessive base station equipment. .
- the interference determining unit 430 may group the electronic device 400, the base station device of the neighboring cell, and the base station device of other cells according to the resources of the electronic device 400, the base station device of the neighboring cell, and the base station device of the other cell. .
- the interference determining unit 430 may according to the electronic device 400, the base station device of the neighboring cell, and others.
- the base station device of the cell (actually all base station devices in the wireless communication system) transmits information to the electronic device 400, the base station device of the neighboring cell, and the base station device of other cells.
- the interference determining unit 430 may group the partial base station devices according to the resources of the part of the base station devices transmitting the information. .
- the interference determination unit 430 may group the above devices such that resources of devices in the same group for transmitting information are the same.
- Resources herein may include spectrum resources.
- the interference determining unit 430 determines that the base station devices of the cells A, a1, a2, b6, and b7 are potential interfering base stations of the UAV device UAV according to the geographic location of the UAV device UAV. That is, the base station equipment of these cells is closer to the UAV device UAV or the link quality between the base station equipment and the UAV equipment UAV of these cells is better, then the interference determining unit 430 can perform the five cells. Grouping.
- the base station device of the cell A transmits information using the spectrum resource numbered 1
- the base station device of the cell a1 transmits the information using the spectrum resource numbered 2
- the base station device of the cell a2 transmits the information using the spectrum resource numbered 3.
- the base station device of the cell b6 transmits the information using the spectrum resource numbered 1
- the base station device of the cell b7 transmits the information using the spectrum resource numbered 3, so that the interference determining unit 430 can group the base station devices of the five cells. as follows:
- the first group (using spectrum resource numbered 1): base station equipment of cell A; small cell
- the second group (using the spectrum resource numbered 2): the base station device of the cell a1;
- Third group (using spectrum resource numbered 3): base station equipment of cell a2; cellular
- the interference determination unit 430 may determine an interference condition that the user equipment is subjected according to the grouping condition. Specifically, if a plurality of devices are included in any one of the packets, the interference determination unit 430 may determine that the user equipment is interfered. Conversely, if there is only one device in all packets, the interference determination unit 430 can determine that the user equipment is not interfered.
- the generating unit 410 may generate resource configuration information, and the transceiver unit 420 may send the resource configuration information to the base station device of the neighboring cell and the base station device of the other cell except the neighboring cell.
- the transceiver unit 430 may send resource configuration information to a base station device that is located in a packet including a plurality of devices.
- the first group and the third group include a plurality of devices, and the electronic device 400 may transmit the resource configuration to the base station device of the cell b6, the base station device of the cell a2, and the base station device of the cell b7. information.
- the multiple base station devices use the same resource to transmit downlink information, and the user equipment may receive downlink information of the multiple base station devices. , causing interference.
- the electronic device 400 may generate resource configuration information for the base station devices and transmit to the base station devices to coordinate the resources for transmitting the downlink information, thereby solving the interference problem.
- the electronic device 400 may transmit resource configuration information only to base station devices of other cells than the neighboring cell.
- the electronic device 400 can also send resource configuration information to the base station device of the neighboring cell.
- the electronic device 400 may transmit resource configuration information through an X2 interface or an S1 interface.
- the electronic device 400 may send resource configuration information to the MME through the S1 interface, so that other base station devices may also obtain their own resource configuration information from the MME through the S1 interface.
- the base station device that receives the resource configuration information is the base station device of the neighboring cell of the cell where the electronic device 400 is located, the electronic device 400 may also send the resource configuration information through the X2 interface, which is not limited in this disclosure.
- the generating unit 410 may cause devices located in the same group to multiplex resources for transmitting information when generating resource configuration information.
- a certain group includes a plurality of devices
- since the plurality of devices transmit information using the same resource it is required that a plurality of devices multiplex the same resources to solve the interference problem.
- the device can continue to use the original resource to send information in the original manner, that is, no resource configuration information needs to be generated for the device.
- the manner of multiplexing may include time division multiplexing, frequency division multiplexing, and space division multiplexing.
- the three multiplexing methods are described in detail below.
- the generating unit 410 may generate resource configuration information, for example, may include parameters such as a period of using the resource and a time of starting.
- FIG. 7 is a schematic diagram illustrating time division multiplexing of resources of transmission information of the same group of base station devices, according to an embodiment of the present disclosure.
- FIG. 7 shows a schematic diagram of time division multiplexing of resources for transmitting information by two base station devices by taking CRS as an example.
- the squares filled with the stripes tilted to the left indicate the REs of the first base station device transmitting the CRS
- the squares filled with the stripes obliquely to the right indicate the REs of the second base station device transmitting the CRS.
- FIG. 7 only shows the case where two base station devices transmit CRS, and the control information other than the CRS and the transmission of the data information, and the situation of more base station devices are similar, and details are not described herein again. .
- the generating unit 410 may generate resource configuration information, for example, may include information such as the number of the spectrum resource.
- FIG. 8 is a schematic diagram showing frequency division multiplexing of resources of transmission information of the same group of base station devices, according to an embodiment of the present disclosure.
- FIG. 8 shows a schematic diagram of frequency division multiplexing of resources for transmitting information by two base station devices by taking CRS as an example.
- the squares filled with stripes tilted to the left indicate the RE of the first base station device transmitting the CRS
- the squares filled with the stripes obliquely to the right indicate the RE of the second base station device transmitting the CRS.
- the spectrum resources used by the two base station devices are different, the first base station device uses the spectrum resource in the upper part of FIG. 8, and the second base station device uses the spectrum resource in the lower part of FIG.
- the time domain resources used by the two base station devices are the same, that is, the CRS is transmitted in each time slot of each subframe. In this way, the spectrum resources of the two base station devices transmitting the CRS are different, so that the user equipment does not receive the CRSs from the two base station devices on the same spectrum resource, thereby avoiding interference.
- FIG. 8 only shows the case where two base station devices transmit CRS, and the control information other than the CRS and the transmission of the data information, and the situation of more base station devices are similar, and details are not described herein again. .
- the generating unit 410 may generate resource configuration information, for example, may include information such as beam number and direction.
- FIG. 9 is a schematic diagram showing space division multiplexing of resources of transmission information of the same group of base station devices, according to an embodiment of the present disclosure.
- both the base station 1 and the base station 2 use the same resources to transmit downlink information to the drone device.
- the two base stations After performing space division multiplexing, the two base stations beamform the downlink information to transmit information using beams in different directions, and the two base station devices use the same resources in the frequency domain, and also in the time domain. Use at all times. In this way, the user equipment can determine the transmitted base station device according to the beam direction when receiving the downlink information, thereby avoiding interference.
- multiplexing base station devices in the same group are detailed as above.
- the manner of multiplexing is not limited to time division multiplexing, frequency division multiplexing, and space division multiplexing, as long as it can
- the resources that send the information are multiplexed so that the user equipment can correctly receive the information and avoid interference.
- the generating unit 410 may further generate resource configuration information according to whether the base station device of the neighboring cell and the base station device of the other cell except the neighboring cell serve other drone device services. . Specifically, when a plurality of devices are included in a group, and one or more of the plurality of devices do not provide services for any of the drone devices, the generating unit 410 may generate resource configuration information for the one or more devices. So that the one or more devices do not send any control information, such as a reference signal.
- the resource configuration information generated for the one or more devices may include signaling for causing it not to transmit control information.
- the generating unit 410 may generate resource configuration information for devices other than the one or more devices in the group, so that devices other than the one or more devices in the group multiplex resources for transmitting information.
- the generating unit 410 may be directed to the cell b6
- the base station device generates resource configuration information such that the base station device of the cell b6 does not transmit any control information, and the base station device of the cell A can continue to use the spectrum resource numbered 1.
- the plurality of devices may multiplex the spectrum resources numbered 1 according to various embodiments of the present disclosure.
- resource configuration information may be generated to "turn off" the base station device, thereby reducing the number of multiplexed base station devices, while avoiding Improve the effect of multiplexing in the case of interference.
- FIG. 10 is a schematic diagram illustrating grouping of base station devices according to an embodiment of the present disclosure.
- the base station devices of the cells A, a1, a2, b6, and b7 are potential interfering base stations of the UAV device UAV, and the interference determining unit 430 can group the five cells as follows: (using spectrum resource numbered 1): base station equipment of cell A; base station equipment of cell b6; second group (using spectrum resource numbered 2): base station equipment of cell a1; third group (use number a spectrum resource of 3): a base station device of cell a2; a base station device of cell b7.
- FIG. 11 is a schematic diagram showing time division multiplexing of resources of transmission information of each group of base station devices in FIG. 10, according to an embodiment of the present disclosure.
- the generating unit 410 may generate resource configuration information for the base station device of the cell b6 to cause the cell
- the base station device of b6 does not transmit any control information, and the base station device of cell A can continue to use the spectrum resource numbered 1. That is to say, the base station device of the cell A can always transmit information using the spectrum resource numbered 1, and the base station device of the cell b6 cannot transmit information using the spectrum resource numbered 1, that is, in the "off" state.
- the base station device of the cell a1 can always transmit information using the spectrum resource numbered 2.
- the base station device of the cell a2 and the base station device of the cell b7 perform time division multiplexing on the spectrum resource numbered 3, that is, in a periodic "off" state. As shown in FIG. 11, the base station device of the cell a2 and the base station device of the cell b7 can periodically transmit information using the spectrum resource numbered 3 and the time used is staggered.
- the potential interfering base station of the UAV UAV in Fig. 10 does not cause downlink interference to the UAV device UAV. It is worth noting that Figure 11 only shows the way of time division multiplexing, which is similar for other multiplexing methods.
- the electronic device 400 may further include a configuration unit 440 according to an embodiment of the present disclosure.
- the generating unit 410 may transmit the resource configuration information for the electronic device 400 to the configuration unit 440, so that the configuring unit 440 may configure the electronic device 400 according to the resource configuration information.
- the resource for sending information may be transmitted.
- the transceiver unit 420 of the electronic device 400 may further send all resource configuration information generated by the generating unit 410 to the user equipment, so that the user equipment can learn the resource configuration situation of all or part of the base station devices, so as to facilitate the information. Detection and cell switching, etc.
- FIG. 12 is a signaling flowchart illustrating a downlink interference scenario, in accordance with an embodiment of the present disclosure.
- the base station device of the current serving cell acquires resources used by all base station devices to transmit information.
- the base station device of the current serving cell groups all the base station devices according to resources used by all base station devices to transmit information, and then generates resource configuration information for the base station device that needs resource configuration. It is assumed here that resource configuration information is generated for a base station device of a cell other than the neighboring cell.
- the base station device of the current serving cell transmits resource configuration information to the base station device of the other cell except the neighboring cell.
- the base station device of the current serving cell transmits all generated resource configuration information to the user equipment.
- the base station device of the current serving cell of the user equipment can generate resource configuration information for multiple base station devices according to the interference situation received by the user equipment, and can be configured to multiple base stations.
- the device sends resource configuration information for resources used by multiple base station devices to configure information.
- the user equipment can be prevented from being interfered by the downlink information.
- the plurality of base station devices may be base station devices of cells other than the current serving cell of the user equipment, so that the base station devices of the non-neighboring cells (geographically adjacent) may coordinate resources for transmitting information, Interference coordination provides new ideas.
- the downlink interference scenario according to an embodiment of the present disclosure has been described in detail above, and the uplink interference scenario according to an embodiment of the present disclosure will be described in detail below.
- the block diagram of the structure of the electronic device 400 according to the embodiment of the present disclosure, still shown in FIG. 5, is taken as an example to illustrate the elimination of the uplink interference.
- the electronic device 400 herein may be a base station device in a wireless communication system, which may include a plurality of base station devices and a plurality of drone devices. Each unit of electronic device 400 can be included in a processing circuit. It should be noted that the electronic device 400 may include one processing circuit or multiple processing circuits. Further, the processing circuitry can include various discrete functional units to perform various different functions and/or operations. It should be noted that these functional units may be physical entities or logical entities, and differently named units may be implemented by the same physical entity.
- the generating unit 410 may further generate resource configuration information according to an interference situation that the electronic device 400 is subjected to.
- the transceiver unit 420 may transmit resource configuration information to a base station device of a cell other than the neighboring cell of the cell where the electronic device 400 is located, for the base station device of the other cell to configure the user equipment for transmitting the information.
- Resource the current height of the user device is above the height threshold.
- the user equipment herein may be a drone device, and when the current height of the user equipment is above a height threshold, the user equipment cannot be regarded as a general UE.
- the electronic device 400 may generate resource configuration information according to an interference condition it receives to be transmitted to a base station device of a cell other than the neighboring cell of the cell in which the electronic device 400 is located. In this way, the electronic device 400 can coordinate resources for transmitting information with base station devices of other cells except the neighboring cell of the cell where the electronic device 400 is located, to avoid uplink interference.
- the interference determination unit 430 may determine an interference condition that the electronic device 400 is subjected to. Specifically, the interference determining unit 430 may determine, according to the resource used by the user equipment that is less than the distance threshold from the electronic device 400, the interference condition that the electronic device 400 is subjected to.
- the information transmitted by the user equipment may include data information and control information.
- the control information may also include a reference signal. That is, when the electronic device 400 wishes to determine the interference situation that the electronic device 400 is subjected to for the data information, it may be determined according to the resource used by the user equipment that is less than the distance threshold from the electronic device 400 to transmit the data information; when the electronic device 400 It is desirable to determine the interference condition of the electronic device 400 for the control information, which may be determined according to the resource used by the user equipment that is less than the distance threshold from the electronic device 400 to transmit the control information.
- the distance threshold may be reasonably set according to actual conditions to select a user equipment that the electronic device 400 may receive the uplink information that it transmits. That is to say, the user equipment selected according to the distance threshold is a potential interference source of the electronic device 400.
- the transceiving unit 420 may receive a resource used by the user equipment to transmit information from a base station device of a current serving cell of the user equipment whose distance from the electronic device 400 is less than a distance threshold.
- a distance threshold Taking the example shown in FIG. 2 as an example, it is assumed that the current serving cell of UAV1 is cell b7, and the current serving cell of UAV2 is cell b9.
- the base station device of the cell A may receive a resource for transmitting information of the UAV1 from the base station device of the cell b7, and may receive a resource for transmitting information of the UAV2 from the base station device of the cell b9.
- the transceiver unit 420 may receive, by using an S1 interface, a resource that is sent by a user equipment of a current serving cell of a user equipment of a user equipment whose distance from the electronic device 400 is less than a distance threshold, for transmitting information.
- the transceiver unit 420 may also receive the resource used by the user equipment to send information through the X2 interface.
- each base station device in the wireless communication system may transmit a resource used by the user equipment it serves for transmitting information to a base station device whose distance from the user equipment is less than a distance threshold. This can also be done via the S1 interface or the X2 interface.
- the user equipment can report the location information of the user equipment to the base station device for which the base station device is located, and the base station device can learn the base station device of the neighboring cell of the cell where the base station device is located and the cell where the base station device is located through the X2 interface or the S1 interface.
- the location information of the base station equipment of the other cells other than the neighboring cell thereby determining all base station devices whose distance from the user equipment is less than the distance threshold. Still taking the example shown in FIG.
- the base station device of the current serving cell b7 of the UAV1 determines that the base station devices whose distance from the UAV1 is less than the distance threshold are the cells A, a1, b8, and a2, then the four base stations can be The base station device sends a resource for the UAV1 to send information. In this way, the base station device of cell A can acquire resources for all user equipments whose distance is less than the distance threshold for transmitting information.
- the interference determination unit 430 may determine that the electronic device 400 is interfered.
- the resource for transmitting information may include a spectrum resource for transmitting information.
- the interference determining unit 430 may determine that the electronic device 400 is interfered. Taking the example shown in FIG.
- the base station devices of the UAV1 and the UAV2 from the cell A are both smaller than the distance threshold, and the resources used by the UAV1 and the UAV2 for transmitting the uplink information are the same, so that the base station device of the cell A can receive the Uplink information of UAV1 and UAV2 causes interference.
- the generating unit 410 may generate resource configuration information for a part of the plurality of user equipments causing the interference or a base station device of the current serving cell of all the user equipments, and transmit and receive the resource configuration information.
- Unit 420 can transmit resource configuration information to the respective base station device for the corresponding base station device to reconfigure resources for transmitting information for its user equipment.
- the generating unit 410 may generate resource configuration information for all of the plurality of user devices causing the interference.
- the resource configuration information may include identification information of the user equipment that causes the interference, etc., such that the base station device that receives the resource configuration information re-allocates the resource for transmitting the information for the user equipment, for example, reallocating the user equipment for transmitting the uplink information. Spectrum resources.
- the base station device of the cell A may generate resource configuration information for the base station device of the cell b7, including the identification information of the UAV1.
- the base station device of the cell b7 When the base station device of the cell b7 receives such resource configuration information, it is known that the UAV1 causes interference to the base station device of the cell A, thereby re-assigning the spectrum resource for transmitting the uplink information to the UAV1.
- the base station device of the cell A may generate resource configuration information for the base station device of the cell b9, including the identification information of the UAV 2.
- the UAV2 causes interference to the base station device of the cell A, thereby re-allocating the spectrum resource for transmitting the uplink information to the UAV2.
- the generating unit 410 may generate resource configuration information for a part of user equipments that cause interference. For example, if the number of user equipments causing interference is N (where N is an integer greater than 1), the generating unit 410 may generate resource configuration information for the N-1 user equipments. That is to say, one of the plurality of user equipments does not need to be reallocated resources.
- the base station device of the cell A may generate resource configuration information for the base station device of the cell b7, and the base station device for the cell b9 does not generate the resource configuration information.
- the base station device of the cell A may also generate resource configuration information for the base station device of the cell b9, and the base station device for the cell b7 does not generate the resource configuration information. In this way, the number of generated resource configuration information can be reduced, thereby reducing signaling overhead and avoiding impact on too many user equipments.
- the base station device may receive uplink information sent by multiple user equipments, thereby causing interference.
- the electronic device 400 may generate resource configuration information for all or a part of the user equipments of the user equipments and transmit them to the corresponding base station equipment to coordinate the resources for transmitting the uplink information, thereby solving the interference problem.
- the user equipment causing the interference may be from the cell where the electronic device 400 is located, may be from the neighboring cell of the cell where the electronic device 400 is located, or may be from the cell other than the neighboring cell of the cell where the electronic device 400 is located.
- the electronic device 400 may transmit resource configuration information to a base station device of a cell other than a neighboring cell of a cell in which the electronic device 400 is located. Further, the electronic device 400 may also send resource configuration information to the base station device of the neighboring cell of the cell where the electronic device 400 is located.
- the electronic device 400 may transmit resource configuration information through an X2 interface or an S1 interface.
- the electronic device 400 may send resource configuration information to the MME through the S1 interface, so that other base station devices may also obtain their own resource configuration information from the MME through the S1 interface.
- the base station device that receives the resource configuration information is the base station device of the neighboring cell of the cell where the electronic device 400 is located, the electronic device 400 may also send the resource configuration information through the X2 interface, which is not limited in this disclosure.
- the generating unit 410 may also generate resource configuration information for the electronic device 400 for the electronic device 400 to reconfigure resources for transmitting information for the user equipment 400.
- FIG. 13 is a signaling flow diagram illustrating an uplink interference scenario, in accordance with an embodiment of the present disclosure.
- the base station device of the current serving cell of the user equipment can acquire location information of all base station devices in the wireless communication system, thereby determining a base station device whose distance from the user equipment is less than a distance threshold.
- the base station device of the current serving cell transmits a resource used by the user equipment for transmitting information to the base station device that is less than the distance threshold from the user equipment, and it is assumed that the base station device of the other cell except the neighboring cell receives the above.
- the resource used to send information is assumed that the base station device of the other cell except the neighboring cell receives the above.
- step S1003 the base station device of the other cell except the neighboring cell determines whether the base station device is interfered, and generates resource configuration information when it is interfered. It is assumed here that the user equipment causes interference to the base station equipment of other cells than the neighboring cell.
- step S1004 resource configuration information is transmitted to the base station device of the current serving cell.
- step S1005 the base station device of the current serving cell performs resource configuration on the user equipment, that is, reconfigures the resource for transmitting information for the user equipment.
- the user equipment causing interference to the base station equipment of the other cells other than the neighboring cell replaces the resources for transmitting information, thereby avoiding uplink interference received by the base station equipment of other cells other than the neighboring cell.
- the base station device can determine the interference situation that the base station device receives according to the resources used by the user equipment in the vicinity to send information, and can serve the user equipment that is causing the interference.
- the base station device sends the resource configuration information, so that the base station device reconfigures the resource for the user equipment that causes the interference.
- the base station equipment can be prevented from being interfered by the uplink information.
- the current serving cell of the user equipment causing the interference may be a cell other than the neighboring cell of the interfered base station device, so that the base station devices of the non-neighboring cell can coordinate resources for transmitting information to provide interference coordination.
- the electronic device herein may be the electronic device 400, and thus all of the embodiments described above with respect to the electronic device 400 are applicable thereto.
- FIG. 14 is a flowchart illustrating a wireless communication method performed by an electronic device in a wireless communication system, according to an embodiment of the present disclosure.
- step S1110 resource configuration information is generated according to the interference situation received by the user equipment, and the current height of the user equipment is higher than the height threshold.
- step S1120 the resource configuration information is transmitted to the base station device of the other cell except the neighboring cell of the current serving cell of the user equipment, so that the base station device of the other cell configures the resource for transmitting the information.
- the method further comprises: determining, according to the electronic device, the base station device of the neighboring cell, and the resource used by the base station device of the other cell for transmitting information, the interference condition received by the user equipment.
- the method further comprises: determining, according to the electronic device, the base station device of the neighboring cell, and the physical cell identifier PCI of the base station device of the other cell, the resource for transmitting information of the electronic device, the base station device of the neighboring cell, and the base station device of the other cell.
- the method further includes: acquiring, by the X2 interface, a resource used by the base station device of the neighboring cell and the base station device of the other cell to send information.
- the method further comprises: acquiring, by the S1 interface, a resource of the base station device of the neighboring cell and the base station device of the other cell for transmitting information.
- the method further comprises: grouping, according to the electronic device, the base station device of the neighboring cell, and the base station device of the other cell, the electronic device, the base station device of the neighboring cell, and the base station device of the other cell.
- the method further comprises: generating resource configuration information such that devices located in the same group multiplex resources for transmitting information.
- the method further comprises: generating resource configuration information, so that the devices in the same group perform time division multiplexing, frequency division multiplexing or space division multiplexing on the resources for transmitting information.
- the method further comprises: determining, according to the location information of the user equipment, the interference situation that the user equipment is subjected to.
- the information sent by the base station device of the other cell includes data information and control information.
- control information comprises a reference signal.
- the electronic device is used as a base station device in a wireless communication system
- the user device is a drone device.
- FIG. 15 is a flowchart illustrating a wireless communication method performed by an electronic device in a wireless communication system, according to another embodiment of the present disclosure.
- step S1210 resource configuration information is generated according to the interference situation received by the electronic device.
- step S1220 the resource configuration information is sent to the base station device of the cell other than the neighboring cell of the cell where the electronic device is located, so that the base station device used by the other cell configures the resource for transmitting the information for the user equipment, the user The current height of the device is above the height threshold.
- the method further comprises: determining, according to the resource used by the user equipment for transmitting the information that the distance from the electronic device is less than the distance threshold, the interference situation that the electronic device is subjected to.
- the method further comprises: receiving, from the base station device of the current serving cell of the user equipment whose distance from the electronic device is less than the distance threshold, the resource used by the user equipment to send information.
- the method further comprises determining that the electronic device is interfered when the resources of the plurality of user equipments that are less than the distance threshold from the electronic device are the same.
- the method further includes: when the electronic device is interfered, transmitting resource configuration information to a part of the user equipments of the plurality of user equipments or the base station equipment of the current serving cell of all the user equipments, for the base station equipment to re Configure resources for sending information.
- the information sent by the user equipment includes data information and control information.
- control information comprises a reference signal.
- the electronic device is used as a base station device in a wireless communication system
- the user device is a drone device.
- the main body performing the above method may be the electronic device 400 according to an embodiment of the present disclosure, and thus all of the foregoing embodiments regarding the electronic device 400 are applicable thereto.
- the base station can be implemented as any type of eNB, such as a macro eNB and a small eNB, and can also be implemented as any type of gNB (base station in a 5G system).
- the small eNB may be an eNB covering a cell smaller than the macro cell, such as a pico eNB, a micro eNB, and a home (femto) eNB.
- the base station can be implemented as any other type of base station, such as a NodeB and a base transceiver station (BTS).
- the base station can include: a body (also referred to as a base station device) configured to control wireless communication; and one or more remote wireless headends (RRHs) disposed at a different location than the body.
- RRHs remote wireless headends
- the eNB 1300 includes one or more antennas 1310 and a base station device 1320.
- the base station device 1320 and each antenna 1310 may be connected to each other via an RF cable.
- Each of the antennas 1310 includes a single or multiple antenna elements, such as multiple antenna elements included in a multiple input multiple output (MIMO) antenna, and is used by the base station device 1320 to transmit and receive wireless signals.
- the eNB 1300 can include multiple antennas 1310.
- multiple antennas 1310 can be compatible with multiple frequency bands used by eNB 1300.
- FIG. 16 illustrates an example in which the eNB 1300 includes a plurality of antennas 1310, the eNB 1300 may also include a single antenna 1310.
- the base station device 1320 includes a controller 1321, a memory 1322, a network interface 1323, and a wireless communication interface 1325.
- the controller 1321 can be, for example, a CPU or a DSP, and operates various functions of higher layers of the base station device 1320. For example, controller 1321 generates data packets based on data in signals processed by wireless communication interface 1325 and communicates the generated packets via network interface 1323. The controller 1321 can bundle data from a plurality of baseband processors to generate bundled packets and deliver the generated bundled packets. The controller 1321 may have a logical function that performs control such as radio resource control, radio bearer control, mobility management, admission control, and scheduling. This control can be performed in conjunction with nearby eNBs or core network nodes.
- the memory 1322 includes a RAM and a ROM, and stores programs executed by the controller 1321 and various types of control data such as a terminal list, transmission power data, and scheduling data.
- Network interface 1323 is a communication interface for connecting base station device 1320 to core network 1324. Controller 1321 can communicate with a core network node or another eNB via network interface 1323. In this case, the eNB 1300 and the core network node or other eNBs may be connected to each other through a logical interface such as an S1 interface and an X2 interface. Network interface 1323 may also be a wired communication interface or a wireless communication interface for wireless backhaul lines. If the network interface 1323 is a wireless communication interface, the network interface 1323 can use a higher frequency band for wireless communication than the frequency band used by the wireless communication interface 1325.
- the wireless communication interface 1325 supports any cellular communication schemes, such as Long Term Evolution (LTE) and LTE-Advanced, and provides wireless connectivity to terminals located in cells of the eNB 1300 via the antenna 1310.
- Wireless communication interface 1325 may generally include, for example, baseband (BB) processor 1326 and RF circuitry 1327.
- the BB processor 1326 can perform, for example, encoding/decoding, modulation/demodulation, and multiplexing/demultiplexing, and performs layers (eg, L1, Medium Access Control (MAC), Radio Link Control (RLC), and Packet Data Convergence Protocol (PDCP)) Various types of signal processing.
- BB processor 1326 may have some or all of the above described logic functions.
- the BB processor 1326 can be a memory that stores a communication control program, or a module that includes a processor and associated circuitry configured to execute the program.
- the update program can cause the functionality of the BB processor 1326 to change.
- the module can be a card or blade that is inserted into the slot of the base station device 1320. Alternatively, the module can also be a chip mounted on a card or blade.
- the RF circuit 1327 may include, for example, a mixer, a filter, and an amplifier, and transmits and receives a wireless signal via the antenna 1310.
- the wireless communication interface 1325 can include a plurality of BB processors 1326.
- multiple BB processors 1326 can be compatible with multiple frequency bands used by eNB 1300.
- the wireless communication interface 1325 can include a plurality of RF circuits 1327.
- multiple RF circuits 1327 can be compatible with multiple antenna elements.
- FIG. 16 illustrates an example in which the wireless communication interface 1325 includes a plurality of BB processors 1326 and a plurality of RF circuits 1327, the wireless communication interface 1325 may also include a single BB processor 1326 or a single RF circuit 1327.
- the eNB 1430 includes one or more antennas 1440, base station devices 1450, and RRHs 1460.
- the RRH 1460 and each antenna 1440 may be connected to each other via an RF cable.
- the base station device 1450 and the RRH 1460 can be connected to each other via a high speed line such as a fiber optic cable.
- Each of the antennas 1440 includes a single or multiple antenna elements (such as multiple antenna elements included in a MIMO antenna) and is used by the RRH 1460 to transmit and receive wireless signals.
- the eNB 1430 can include multiple antennas 1440.
- multiple antennas 1440 can be compatible with multiple frequency bands used by eNB 1430.
- FIG. 17 illustrates an example in which the eNB 1430 includes multiple antennas 1440, the eNB 1430 may also include a single antenna 1440.
- the base station device 1450 includes a controller 1451, a memory 1452, a network interface 1453, a wireless communication interface 1455, and a connection interface 1457.
- the controller 1451, the memory 1452, and the network interface 1453 are the same as the controller 1321, the memory 1322, and the network interface 1323 described with reference to FIG.
- the wireless communication interface 1455 supports any cellular communication scheme, such as LTE and LTE-Advanced, and provides wireless communication to terminals located in sectors corresponding to the RRH 1460 via the RRH 1460 and the antenna 1440.
- Wireless communication interface 1455 can generally include, for example, BB processor 1456.
- the BB processor 1456 is identical to the BB processor 1326 described with reference to FIG. 16 except that the BB processor 1456 is connected to the RF circuit 1464 of the RRH 1460 via the connection interface 1457.
- the wireless communication interface 1455 can include a plurality of BB processors 1456.
- multiple BB processors 1456 can be compatible with multiple frequency bands used by eNB 1430.
- FIG. 17 illustrates an example in which the wireless communication interface 1455 includes a plurality of BB processors 1456, the wireless communication interface 1455 can also include a single BB processor 1456.
- connection interface 1457 is an interface for connecting the base station device 1450 (wireless communication interface 1455) to the RRH 1460.
- the connection interface 1457 may also be a communication module for communicating the base station device 1450 (wireless communication interface 1455) to the above-described high speed line of the RRH 1460.
- the RRH 1460 includes a connection interface 1461 and a wireless communication interface 1463.
- connection interface 1461 is an interface for connecting the RRH 1460 (wireless communication interface 1463) to the base station device 1450.
- the connection interface 1461 can also be a communication module for communication in the above high speed line.
- the wireless communication interface 1463 transmits and receives wireless signals via the antenna 1440.
- Wireless communication interface 1463 can generally include, for example, RF circuitry 1464.
- the RF circuit 1464 can include, for example, a mixer, a filter, and an amplifier, and transmits and receives wireless signals via the antenna 1440.
- the wireless communication interface 1463 can include a plurality of RF circuits 1464.
- multiple RF circuits 1464 can support multiple antenna elements.
- FIG. 17 illustrates an example in which the wireless communication interface 1463 includes a plurality of RF circuits 1464, the wireless communication interface 1463 may also include a single RF circuit 1464.
- the generation unit 410, the interference determination unit 430, and the configuration unit 440 described by using FIG. 5 can be implemented by the controller 1321 and/or the controller 1451. At least a portion of the functionality can also be implemented by controller 1321 and controller 1451.
- the controller 1321 and/or the controller 1451 can perform functions of generating resource configuration information, determining interference, and configuring resources by executing instructions stored in respective memories.
- a plurality of functions included in one unit in the above embodiment may be implemented by separate devices.
- a plurality of functions implemented by a plurality of units in the above embodiments may be implemented by separate devices, respectively.
- one of the above functions may be implemented by a plurality of units. Needless to say, such a configuration is included in the technical scope of the present disclosure.
- the steps described in the flowcharts include not only processes performed in time series in the stated order, but also processes performed in parallel or individually rather than necessarily in time series. Further, even in the step of processing in time series, it is needless to say that the order can be appropriately changed.
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Abstract
Description
Claims (23)
- 一种无线通信***中的电子设备,包括处理电路,被配置为:根据用户设备受到的干扰情况生成资源配置信息,所述用户设备的当前高度高于高度阈值;以及向除了所述用户设备的当前服务小区的邻小区以外的其它小区的基站设备发送所述资源配置信息,以用于所述其它小区的基站设备配置用于发送信息的资源。
- 根据权利要求1所述的电子设备,其中,所述处理电路还被配置为:根据所述电子设备、所述邻小区的基站设备和所述其它小区的基站设备用于发送信息的资源确定所述用户设备受到的干扰情况。
- 根据权利要求2所述的电子设备,其中,所述处理电路还被配置为:根据所述电子设备、所述邻小区的基站设备和所述其它小区的基站设备的物理小区标识PCI确定所述电子设备、所述邻小区的基站设备和所述其它小区的基站设备发送信息的资源。
- 根据权利要求2所述的电子设备,其中,所述处理电路还被配置为:通过X2接口获取所述邻小区的基站设备和所述其它小区的基站设备用于发送信息的资源。
- 根据权利要求2所述的电子设备,其中,所述处理电路还被配置为:通过S1接口获取所述邻小区的基站设备和所述其它小区的基站设备用于发送信息的资源。
- 根据权利要求2所述的电子设备,其中,所述处理电路还被配置为:根据所述电子设备、所述邻小区的基站设备和所述其它小区的基站设备发送信息的资源对所述电子设备、所述邻小区的基站设备和所述其它小区的基站设备进行分组。
- 根据权利要求6所述的电子设备,其中,所述处理电路还被配置为:生成所述资源配置信息,以使得位于同一组的设备对发送信息的资源进行复用。
- 根据权利要求7所述的电子设备,其中,所述处理电路还被配置为:生成所述资源配置信息,以使得位于同一组的设备对发送信息的资源进行时分复用、频分复用或者空分复用。
- 根据权利要求2所述的电子设备,其中,所述处理电路还被配置为:还根据所述用户设备的位置信息确定所述用户设备受到的干扰情况。
- 根据权利要求1所述的电子设备,其中,所述其它小区的基站设备发送的信息包括数据信息和控制信息。
- 根据权利要求10所述的电子设备,其中,所述控制信息包括参考信号。
- 根据权利要求1-11中任一项所述的电子设备,其中,所述电子设备用作所述无线通信***中的基站设备,并且所述用户设备为无人机设备。
- 一种无线通信***中的电子设备,包括处理电路,被配置为:根据所述电子设备受到的干扰情况生成资源配置信息;以及向除了所述电子设备所在小区的邻小区以外的其它小区的基站设备发送所述资源配置信息,以用于所述其它小区的基站设备为其用户设备配置用于发送信息的资源,所述用户设备的当前高度高于高度阈值。
- 根据权利要求13所述的电子设备,其中,所述处理电路还被配置为:根据与所述电子设备的距离小于距离阈值的用户设备用于发送信息的资源确定所述电子设备受到的干扰情况。
- 根据权利要求14所述的电子设备,其中,所述处理电路还被配置为:从与所述电子设备的距离小于距离阈值的用户设备的当前服务小区 的基站设备接收所述用户设备用于发送信息的资源。
- 根据权利要求14所述的电子设备,其中,所述处理电路还被配置为:当与所述电子设备的距离小于距离阈值的多个用户设备用于发送信息的资源相同时,确定所述电子设备受到干扰。
- 根据权利要求16所述的电子设备,其中,所述处理电路还被配置为:当所述电子设备受到干扰时,向所述多个用户设备中的部分用户设备或者全部用户设备的当前服务小区的基站设备发送所述资源配置信息,以用于所述基站设备为其用户设备重新配置用于发送信息的资源。
- 根据权利要求13所述的电子设备,其中,所述用户设备发送的信息包括数据信息和控制信息。
- 根据权利要求18所述的电子设备,其中,所述控制信息包括参考信号。
- 根据权利要求13-19中任一项所述的电子设备,其中,所述电子设备用作所述无线通信***中的基站设备,并且所述用户设备为无人机设备。
- 一种由无线通信***中的电子设备执行的无线通信方法,包括:根据用户设备受到的干扰情况生成资源配置信息,所述用户设备的当前高度高于高度阈值;以及向除了所述用户设备的当前服务小区的邻小区以外的其它小区的基站设备发送所述资源配置信息,以用于所述其它小区的基站设备配置用于发送信息的资源。
- 一种由无线通信***中的电子设备执行的无线通信方法,包括:根据所述电子设备受到的干扰情况生成资源配置信息;以及向除了所述电子设备所在小区的邻小区以外的其它小区的基站设备发送所述资源配置信息,以用于所述其它小区的基站设备为其用户设备配置用于发送信息的资源,所述用户设备的当前高度高于高度阈值。
- 一种计算机可读存储介质,包括可执行计算机指令,所述可执行计算机指令当被计算机执行时使得所述计算机执行根据权利要求21或22 所述的无线通信方法。
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CN110710299A (zh) | 2020-01-17 |
AU2018336384A1 (en) | 2020-04-16 |
US20200245340A1 (en) | 2020-07-30 |
JP7264147B2 (ja) | 2023-04-25 |
JP2020535673A (ja) | 2020-12-03 |
EP3678431A1 (en) | 2020-07-08 |
CN110710299B (zh) | 2023-08-08 |
CA3076268A1 (en) | 2019-03-28 |
CN109548150A (zh) | 2019-03-29 |
US11330599B2 (en) | 2022-05-10 |
EP3678431A4 (en) | 2021-03-17 |
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