WO2014180315A1 - 信息传输方法和设备 - Google Patents
信息传输方法和设备 Download PDFInfo
- Publication number
- WO2014180315A1 WO2014180315A1 PCT/CN2014/076996 CN2014076996W WO2014180315A1 WO 2014180315 A1 WO2014180315 A1 WO 2014180315A1 CN 2014076996 W CN2014076996 W CN 2014076996W WO 2014180315 A1 WO2014180315 A1 WO 2014180315A1
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- WO
- WIPO (PCT)
- Prior art keywords
- terminal device
- power amplifier
- power
- network side
- resource allocation
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 89
- 230000005540 biological transmission Effects 0.000 title claims abstract description 86
- 238000013468 resource allocation Methods 0.000 claims description 127
- 230000002776 aggregation Effects 0.000 claims description 43
- 238000004220 aggregation Methods 0.000 claims description 43
- 230000005855 radiation Effects 0.000 claims description 39
- 230000035945 sensitivity Effects 0.000 claims description 22
- 238000013507 mapping Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 10
- 238000000586 desensitisation Methods 0.000 claims description 9
- 238000005265 energy consumption Methods 0.000 claims description 7
- 238000011156 evaluation Methods 0.000 claims description 6
- 238000004088 simulation Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 17
- 230000011664 signaling Effects 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/543—Allocation or scheduling criteria for wireless resources based on quality criteria based on requested quality, e.g. QoS
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/44—TPC being performed in particular situations in connection with interruption of transmission
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present invention relates to the field of communications technologies, and in particular, to an information transmission method and device. Background technique
- Power Amplifier is one of the most important modules in communication systems. With the development of wireless communication technology, the performance requirements of power amplifiers are becoming more and more demanding.
- RAN4 Radio Access Network 4, Radio Access Network Group 4
- HEPA High Efficiency PA
- the direct performance is that the out-of-band radiation performance is relatively low-efficiency power amplifiers, especially in the case of multi-cluster transmission mode and low power.
- the schematic diagram can be as shown in Figure 2 and Figure 3.
- the adjacent frequency protection indicator belongs to the management requirement, the victim cannot use the advanced technology to relax the indicator of the out-of-band interference. Therefore, the only feasible method is to adopt the same out-of-band indicator. Larger in-band power back-off, which reduces the actual transmit power of the terminal. This will bring challenges to operators' uplink network coverage and increase network construction costs.
- the out-of-band linearity of the terminal is deteriorated. When it is poor, it may cause the sensitivity of the terminal receiver to be desensitized, which affects the downlink network coverage.
- the low-efficiency power amplifier corresponds to the radio frequency indicator.
- the capability information is only supported by the terminal.
- the supported band list information is supported.
- the power backoff difference between the high-efficiency power amplifier and the low-efficiency power amplifier can reach about 10dB (decibel), if the network side does not know what kind of power amplifier type or power amplifier capability level information is used by the terminal, and Determining the corresponding power backoff value will result in a scheduling error.
- the embodiment of the invention provides an information transmission method, so that the terminal device reports its own power amplifier type or power amplifier capability level information to the network side device.
- an embodiment of the present invention provides an information transmission method, including: the network side device sends a power backoff value information and a resource allocation manner to the terminal device according to the power amplifier type or the power amplifier capability level information reported by the terminal device. At least one of information and Discontinuous Reception (DRX) configuration information.
- DRX Discontinuous Reception
- the embodiment of the invention further provides an information transmission method, including:
- the terminal device reports its own power amplifier type or power amplifier capability level information to the network side device.
- the embodiment of the invention further provides a network side device, including:
- a sending module configured to send at least one of power backoff value information, resource allocation mode information, and discontinuous reception DRX configuration information to the terminal device according to the power amplifier type or the power amplifier capability level information reported by the terminal device.
- the embodiment of the invention further provides a terminal device, including:
- a sending module configured to report, to the network side device, the power amplifier type or the power amplifier capability level information of the terminal device.
- the network side determines the power backoff value information, the resource allocation mode information, and the discontinuous reception DR configuration information that are sent to the terminal device according to the power amplifier type or the power amplifier capability level of the terminal device.
- the terminal device reports the power amplifier type or the power amplifier capability level to the network side device, so that the network side device sends the more reasonable power backoff value information, the resource allocation mode, and the DRX parameter to the terminal device. At least one.
- Figure 1 is a schematic diagram showing the efficiency improvement of the existing high-efficiency power amplifier
- FIGS. 2 and 3 are schematic diagrams showing the spectrum radiation characteristics of the existing high efficiency power amplifier
- FIG. 4 is a schematic flowchart diagram of an information transmission method according to an embodiment of the present disclosure.
- 5A to 5D are schematic diagrams of a newly added IE according to an embodiment of the present invention.
- FIG. 6 is a schematic flowchart diagram of an information transmission method according to an embodiment of the present disclosure.
- FIG. 7 is a schematic flowchart diagram of an information transmission method according to an embodiment of the present invention.
- FIG. 8 is a schematic structural diagram of a network side device according to an embodiment of the present invention.
- FIG. 9 is a schematic structural diagram of a terminal device according to an embodiment of the present invention. detailed description
- the embodiments of the present invention provide a technical solution for information transmission.
- the network side device determines the power backoff value information, the resource allocation mode information, and the DRX (Discontinuous Reception, Discontinuous Reception) sent to the terminal device according to the power amplifier type or the power amplifier capability level sent by the terminal device.
- a signaling UE-EUTRA-Capability for reporting the terminal device capability information in the existing standard protocol may be extended, and a new field (RF)-Parameters (parameters) may be added.
- the IE Information Element
- the IE is used to carry the power amplifier type or the power amplifier capability level information of the terminal device, so that the terminal device reports its own power amplifier type or power amplifier capability level to the network side device, so that the network side can perform the power amplifier type according to the terminal device.
- the power amplifier capability level is at least one of the power backoff value information, the resource allocation mode information, and the DRX configuration information, so that the network side device sends a more reasonable power backoff value information and resource allocation to the terminal device. At least one of mode information, and DR parameter information.
- the manner in which the terminal device reports the power amplifier type or the power amplifier capability level to the network side device by extending the UE-EUTRA-Capability signaling manner is only the terminal device to the network side in the technical solution provided by the embodiment of the present invention.
- the device reports a specific implementation of the power amplifier type or the power amplifier capability level information, and does not limit the scope of the present invention.
- the terminal device can also report the device to the network side device by using other methods.
- the type of the power amplifier itself, such as a new type of signaling is defined in the protocol, or other existing signaling is extended, and the terminal device reports its own power amplifier type or power amplifier capability level information to the network side device, and the specific implementation manner is not Let me repeat.
- FIG. 4 it is a schematic flowchart of an information transmission method according to an embodiment of the present invention, which may include steps 401 to 404.
- step 401 the terminal device reports its own power amplifier type or power amplifier capability to the network side device. Level information.
- a new IE such as a PowerAmplifierType
- a PowerAmplifierType may be used in the RF-Parameters field of the UE-EUTRA-Capability signaling in the existing standard protocol, and the power amplifier type or the power amplifier capability level information of the terminal device may be carried. . among them:
- the terminal device When the terminal device uses the same power amplifier type or power amplifier capability level in all the supported frequency bands, the terminal device needs to report the power amplifier type or the power amplifier capability level to the network side device.
- the newly defined IE only needs to give the A power amplifier type or a power amplifier capability level, the schematic diagram of which can be as shown in FIG. 5A; when the terminal device uses different power amplifier types or power amplifier capability levels in all supported frequency bands, the terminal device needs to report each supported frequency band to the network side device.
- the power amplifier type or power amplifier capability level information (that is, the power amplifier type or power amplifier capability level information corresponding to each supported frequency band, for example, the power amplifier type corresponding to frequency band 1 is a, and the power amplifier type corresponding to frequency band 2 is b).
- the new The defined IE needs to give the power amplifier type corresponding to each supported frequency band, and the schematic diagram can be as shown in FIG. 5B;
- the terminal device When the terminal device supports the carrier aggregation, and the terminal device has the same power amplifier type in all the supported carrier aggregation frequency bands, the terminal device needs to report the power amplifier type or the power amplifier capability level information to the network side device, and the new device
- the defined IE only needs to give the power amplifier type or power amplifier capability level information, and the schematic diagram thereof can be as shown in FIG. 5C;
- the terminal device supports carrier aggregation
- the terminal device uses different power amplifier types or power amplifier capability levels in all supported carrier aggregation frequency bands, that is, the combination of at least two carrier aggregation frequency bands in the carrier aggregation frequency band combination supported by the terminal device is used.
- the terminal device When the power amplifier type or the power amplifier capability level is different, the terminal device needs to report the power amplifier type or power amplifier capability level information used by each supported carrier aggregation frequency band to the network side device (that is, the power amplifier type corresponding to each supported carrier aggregation frequency band combination or The power amplifier capability level information, for example, the power amplifier type corresponding to carrier aggregation frequency band combination 1 is a, and the power amplifier type corresponding to carrier aggregation frequency band combination 2 is b), and the newly defined IE needs to give corresponding power amplifiers for all supported carrier aggregation frequency band combinations.
- Type or power capability level information a schematic diagram of which can be as shown in Figure 5D.
- the network side device determines the power backoff value delivered to the terminal device according to the power amplifier type or the power amplifier capability level information reported by the terminal device.
- the network side device may determine each optional uplink resource allocation manner according to the power amplifier type or the power amplifier capability level information reported by the terminal device.
- the method includes single carrier single cluster, single carrier multiple cluster, multiple carrier multiple cluster, multiple carrier multiple cluster, b. resource block size, c.
- the required power backoff value is required for the radiation, and then the power backoff value is used to determine whether each of the optional resource allocation modes satisfies the service transmission requirement of the terminal device, and the optional resource allocation manner that satisfies the service transmission requirement of the terminal device.
- the resource allocation mode is selected, and the terminal device satisfies the out-of-band radiation requirement (Spectrum Emission Mask (SEM), Adjacent Channel Leakage Rate (ACLR), and spurs). Spurious Emission (SE), etc.
- SEM Specific Emission Mask
- ACLR Adjacent Channel Leakage Rate
- SE Spurious Emission
- Required power backoff value it is determined at the terminal device to send a resource allocation mode and corresponding power backoff value.
- the network side device may also determine an uplink resource allocation manner that is sent to the terminal device.
- the power amplifier type or power amplifier information reported by the terminal device received by the network device may be included in the power amplifier type or the power amplifier capability level information, or may include the power amplifier type or power amplifier capability corresponding to the carrier aggregation frequency band combination supported by the terminal device. Level information.
- the network side device determines the power backoff value required by the terminal device to meet the out-of-band emission requirement in each of the optional uplink resource allocation modes according to the power amplifier type or the power amplifier capability level information reported by the terminal device, which can be implemented by:
- the network side device may, according to the power amplifier type or the power amplifier capability level reported by the terminal device, and the transmission band of the terminal device, in real time. Width, and the out-of-band radiation indicator corresponding to the frequency band or carrier aggregation band supported by the terminal device, perform simulation evaluation to determine the power backoff value required by the terminal device to meet the out-of-band radiation requirement in each optional uplink resource allocation mode; or
- the network side device may perform the outband according to the power amplifier type or the power amplifier capability level of the terminal device, the transmission bandwidth of the terminal device, and the frequency band or carrier aggregation frequency band supported by the terminal device.
- the radiation indicator queries the mapping table stored by itself to determine the power backoff value required by the terminal device to meet the out-of-band radiation requirement in each optional uplink resource allocation mode; wherein the mapping table records the power amplifier type, the transmission bandwidth, and the terminal device support.
- the correspondence between the outband radiation indicator and the power backoff value corresponding to the frequency band or the carrier aggregation frequency band, and the mapping table may be pre-simulated and evaluated by the network side device or the third party device and stored in the network side device.
- the network side device determines, according to the power backoff value, whether each of the selectable uplink resource allocation modes meets the service requirement of the terminal device, and at least can be implemented in the following three manners: preparing a power backoff value required for the outband radiation requirement, And the channel quality information reported by the terminal device, determining whether each of the optional resource allocation manners meets the service transmission requirement of the terminal device.
- the power backoff value required for the out-of-band radiation requirement and the uplink signal receiving power of the terminal device are determined, and whether the optional resource allocation mode can satisfy the service transmission requirement of the terminal device is determined.
- the network side device plans to allocate a continuous 20 resource blocks of a single carrier to the terminal device.
- the signal-to-noise ratio of the required target is 10dB
- the network side device determines the uplink resource allocation mode, the terminal
- the value of the power backoff required by the device to meet the out-of-band emission requirement is 8 dB.
- the network-side device can combine the signal-to-noise ratio reported by the terminal at the previous scheduling time (assumed to be 12 dB) to determine whether the terminal device can meet the power backoff.
- Signal to noise ratio requirements are required to determine the funding Whether the source allocation method can meet the service requirements of the terminal device.
- the signal-to-noise ratio of the terminal device after power back-off is 4 dB (12 dB-8 dB, assuming that the uplink interference power of the last scheduling time and the current scheduling time does not change)
- the signal-to-noise ratio is smaller than the required target ( 10dB)
- the uplink resource allocation manner does not satisfy the service requirement of the terminal device.
- the power backoff value required for the out-of-band radiation requirement, and the power headroom reported by the terminal the difference between the current transmit power of the terminal device and the maximum transmit power
- the optional uplink resource allocation mode can satisfy the terminal device. Business needs.
- the base station device may calculate the interference value according to the resource block size and the signal-to-noise ratio required by the modulation mode and the transmission power of the terminal device according to the scheduling time of the last scheduling time, and allocate the resource block size and modulation to the terminal device according to the current plan.
- the method calculates the required terminal transmit power value (assuming that the required terminal transmit power value is 19 dB), and the network side device determines that the power backoff value required by the terminal device to meet the out-of-band radiation requirement is determined in an uplink resource allocation mode. 7dB, the current maximum transmission power of the terminal equipment can be 16dBm (23dBm-7dB), which will not meet the transmission requirements. Therefore, the network side equipment determines that the uplink resource allocation mode does not meet the service transmission requirements of the terminal equipment.
- step 403 the network side device sends power back value information to the terminal device according to the determined power backoff value.
- the network side device may indicate the value of the power backoff (ie, the power backoff value) of the terminal device by sending the power backoff value information to the terminal device.
- the power backoff value information may be the same power backoff value for all supported frequency bands or carrier aggregation frequency bands of the terminal device, or may be different power backoff values.
- the power backoff value information may set different intervals and corresponding work for different transmission bandwidths of the terminal device, the size of the occupied transmission resource block, the location of the resource block, and whether the resource block is continuous or the like. Rate back value.
- the terminal device is configured to perform data transmission according to the uplink resource allocation manner.
- step 404 after receiving the power backoff value information sent by the network side device, the terminal device performs corresponding power backoff according to the power backoff value information.
- the terminal device may perform power backoff according to the power backoff value information.
- the terminal device may further perform data transmission according to the uplink resource allocation mode.
- the terminal device may further back up the value information according to the received power and the resources occupied by the last scheduling moment.
- the block size and the modulation and coding mode information are used to determine the transmit power margin of the terminal device, and the power headroom is reported to the network side device.
- the power headroom Power Headroom Can be obtained by the following formula:
- the network side device may test the power amplifier type of the terminal device by using a specific test instrument (the test instrument may be corresponding to the power amplifier type reported by the terminal device.
- the capability information performs the corresponding test) to determine the actual power amplifier type of the terminal device.
- FIG. 6 is a schematic flowchart of an information transmission method according to an embodiment of the present invention, which may include steps 601 to 604.
- step 601 the terminal device reports its own power amplifier type or power amplifier capability level information to the network side device.
- step 401 the specific operation can be referred to step 401.
- step 602 after receiving the information of the power amplifier type or the power amplifier capability level reported by the terminal device, the network side device determines the resource allocation mode sent to the terminal device according to the power amplifier type or the power amplifier capability level information reported by the terminal device.
- the network side device may be based on the power amplifier type or the power amplifier capability level information reported by the terminal device, and the uplink resource allocation mode (a. transmission mode, Including single carrier single cluster, single carrier multiple cluster, multiple carrier multiple cluster, etc.; b. resource block size; c. resource block location), determine the receiver sensitivity degradation value (That is, the desensitization value of the sensitivity of the terminal device receiver).
- the network side device allocates consecutive 20 resource blocks of a single carrier for the terminal uplink.
- the network side device determines the sensitivity loss in the receiving frequency range after using the high efficiency power amplifier. Specifically, the network side device may model the outband characteristics corresponding to different power amplifier types or capability level information, and simulate and estimate the desensitization value caused by the sensitivity of the terminal receiver under different uplink resource allocation modes.
- the terminal has a transmission bandwidth of 20MHz in the uplink frequency of 1710-1785MHz, and the specific location is 1765-1785MHz, and the uplink resource block size allocated by the network side device for the terminal device is 50RB, and For continuous transmission, the location is 1775-1785MHz, then the network side equipment can be based on the radio frequency characteristics of the high efficiency amplifier, and the above resources.
- the desensitization value (in the 1805-1880 MHz downstream band), for example, is 3 dB.
- the network side device sends a downlink resource allocation manner to the terminal device according to the determined desensitization value of the terminal device receiver sensitivity.
- the network side device determines whether the terminal can meet the service transmission requirement in the target downlink resource allocation mode according to the determined desensitization value of the terminal device receiver sensitivity, for example, 3 dB.
- FIG. 7 is a schematic flowchart of another information transmission method according to an embodiment of the present invention, which may include steps 701 to 704.
- step 701 the terminal device reports its own power amplifier type or power amplifier capability level information to the network side device.
- step 401 the specific operation can be referred to step 401.
- the network side device determines the DRX configuration information that is sent to the terminal device according to the power amplifier type or the power amplifier capability level information reported by the terminal device.
- the network side device may determine the sensitivity of the terminal to the power consumption according to the power amplifier type or the power amplifier capability level information reported by the terminal device. For example, a network-side device determines that a terminal that uses a high-efficiency power amplifier is less sensitive to power consumption overhead, and a terminal that uses a low-efficiency power amplifier has higher sensitivity to power consumption. Therefore, the network side device can comprehensively consider the terminal's demand for the service receiving frequency interval, and the terminal powers on. The sensitivity of the pin, configure the DRX parameters for the terminal.
- the same service reception frequency interval requirement is required, and at least one of a relatively shorter discontinuous reception DR period and a longer wake-up reception time is configured for the high efficiency power amplifier terminal, At least one of a relatively longer discontinuous reception DRX cycle and a shorter wake-up reception time is configured for the low efficiency power amplifier terminal.
- step 703 the network side device sends the DR configuration information to the terminal device.
- the terminal device After receiving the DRX configuration information delivered by the network side device, the terminal device performs corresponding data reception according to the configuration information. It can be seen from the above description that, in the technical solution provided by the embodiment of the present invention, the terminal device reports the power amplifier type or the power amplifier capability level information of the terminal device to the network side device, so that the network side device can be based on the power amplifier type or power amplifier of the terminal device.
- the capability level sends at least one of the power backoff value information, the resource allocation mode information, and the DR configuration information to the terminal device, so that the power backoff value, the resource allocation mode, and the DR parameter delivered by the network side device are more reasonable.
- the embodiment of the present invention provides a network side device, which can be applied to the foregoing method embodiments.
- a schematic structural diagram of a network side device may include:
- the sending module 81 is configured to send at least one of power backoff value information, resource allocation mode information, and discontinuous reception DRX configuration information to the terminal device according to the power amplifier type or the power amplifier capability level information reported by the terminal device.
- the network side device may further include: a receiving module 82, configured to receive, by the terminal device, its own power amplifier type or power amplifier capability level information.
- the network side device may further include at least one of a first determining module, a second determining module, and a third determining module. among them, The first determining module is configured to determine, according to the power amplifier type or the power amplifier capability level information reported by the terminal device, the power backoff value information sent to the terminal device.
- a second determining module configured to determine, according to the power amplifier type or the power amplifier capability level information reported by the terminal device, the resource allocation mode information delivered by the terminal device.
- a third determining module configured to determine, according to the power amplifier type or the power amplifier capability level information reported by the terminal device, the discontinuous reception DRX configuration information delivered by the terminal device.
- the first determining module, the second determining module, and the third determining module may be configured as three different modules, or may be configured as the same module.
- the first determining module, the first The second determining module and the third determining module are set as the same module (ie, the determining module 83) as an example.
- the first determining module may be configured to determine a power backoff value sent to the terminal device by:
- the power backoff value delivered to the terminal device is determined.
- the second determining module may be configured to determine, by using the following manner, a resource allocation manner delivered to the terminal device:
- the uplink resource allocation mode is selected from the optional uplink resource allocation mode that meets the service transmission requirement of the terminal device, and the uplink resource allocation mode is determined as the resource allocation mode delivered to the terminal device.
- the second determining module is further configured to:
- the downlink resource allocation mode is selected from the optional downlink resource allocation manners that meet the service transmission requirements of the terminal device, and the downlink resource allocation mode is determined as the resource allocation mode delivered to the terminal device.
- the third determining module may be configured to determine discontinuous reception DRX configuration information that is sent to the terminal device by:
- the DRX information is configured for the terminal device according to the sensitivity of the terminal device to the energy consumption overhead and the frequency interval requirement of the terminal device receiving the service.
- the power amplifier type or the power amplifier capability level information reported by the terminal device may include: a power amplifier type or a power amplifier capability level information corresponding to the frequency band supported by the terminal device; or a power amplifier corresponding to the carrier aggregation frequency band combination supported by the terminal device Type or amplifier capability level information.
- the first determining module is configured to determine, according to the power amplifier type or the power amplifier capability level information reported by the terminal device, that the terminal device meets the out-of-band radiation requirement according to the candidate uplink resource allocation mode.
- the terminal device According to the power amplifier type or power amplifier capability level information reported by the terminal device, the transmission bandwidth of the terminal device, the resource allocation size, the resource starting location, the transmission mode of the resource block, and the terminal device Performing simulation evaluation on the out-of-band radiation indicator corresponding to the supported frequency band or carrier aggregation frequency band, and determining the power backoff value required by the terminal device to meet the out-of-band radiation requirement in each optional uplink resource allocation mode; or
- the terminal device According to the power amplifier type or power amplifier capability level information of the terminal device, the terminal device transmission bandwidth, the resource allocation size, the resource starting location, the transmission mode of the resource block, and the band corresponding to the frequency band or carrier aggregation frequency band supported by the terminal device
- the external radiation indicator queries the mapping table stored by itself to determine the power backoff value required by the terminal device to meet the out-of-band radiation requirement in each optional uplink resource allocation mode; wherein the mapping table records the power amplifier type or the power amplifier capability level Corresponding relationship between the outband radiation index and the power backoff value corresponding to the information, the transmission bandwidth, the frequency band supported by the terminal device, or the carrier aggregation frequency band, and the mapping table is pre-simulated and evaluated by the network side device or the third party device. Stored on the network side device.
- the first determining module is configured to determine, according to the power backoff value, whether the each optional uplink resource allocation manner meets a service transmission requirement of the terminal device:
- FIG. 9 is a schematic structural diagram of a terminal device according to an embodiment of the present invention, which may include: a sending module 91, configured to report, to a network side device, a power amplifier type or power amplifier capability level information of the terminal device.
- the sending module 91 is specifically configured to: When the terminal device uses the same power amplifier type or power amplifier capability level in all the supported frequency bands, reporting the power amplifier type or power amplifier capability level information to the network side device;
- the terminal device uses the power amplifier type or the power amplifier capability level in all supported frequency bands
- the terminal device supports the carrier aggregation, and the power amplifier type or the power amplifier capability level corresponding to the combination of the supported carrier aggregation frequency bands is the same, the power amplifier type or the power amplifier capability level information is reported to the network side device;
- the network side device reports the power amplifier type or power amplifier capability corresponding to each supported carrier aggregation frequency band combination. Level information.
- the terminal device provided by the embodiment of the present invention may further include: a first receiving module, configured to receive, after the sending module reports its own power amplifier type or power amplifier capability level information to the network side device, The power back-off value information sent by the network-side device; the first processing module, configured to perform power back-off according to the power back-off value information.
- the terminal device provided by the embodiment of the present invention may further include: a second receiving module, configured to: after the sending module reports its own power amplifier type or power amplifier capability level information to the network side device, The resource allocation mode information sent by the network side device; the second processing module is configured to perform data transmission according to the resource allocation mode information.
- a second receiving module configured to: after the sending module reports its own power amplifier type or power amplifier capability level information to the network side device, The resource allocation mode information sent by the network side device; the second processing module is configured to perform data transmission according to the resource allocation mode information.
- the terminal device provided by the embodiment of the present invention may further include: a third receiving module, configured to receive, after the sending module reports its own power amplifier type or power amplifier capability level information to the network side device, Discontinuous receiving DR configuration information delivered by the network side device;
- the third processing module is configured to perform power backoff according to the DRX configuration information.
- the first receiving module, the second receiving module, and the third receiving module may serve as three
- the first receiving module, the second receiving module, and the third receiving module are set as the same module (ie, the receiving module 92) as an example.
- the first processing module, the second processing module, and the third processing module are disposed as the same module (ie, the processing module 93).
- the terminal device provided by the embodiment of the present invention may further include:
- a determining module 94 configured to: after the first receiving module receives the power backoff value information sent by the network side device, according to the power backoff value information, and the resource block size occupied by the last scheduling moment And modulation coding mode information, determining the transmission power margin of the terminal device.
- the sending module 91 reports the remaining transmit power to the network side device.
- the determining module 94 is configured to determine, according to the power backoff value information, the resource block size occupied by the last scheduling moment, and the modulation and coding mode information, to determine the transmit power of the terminal device.
- the Ptrans is the required transmit power of the terminal device after the power control
- the Pmax is the physical maximum transmit power of the terminal device
- the MPR is the power backoff value information corresponding to the power backoff value
- the Power Headroom is the power. margin.
- modules in the device in the implementation scenario may be distributed in the device for implementing the scenario according to the implementation scenario description, or may be correspondingly changed in one or more devices different from the implementation scenario.
- the modules of the above implementation scenarios can be combined into one module, or can be further split into multiple sub-modules.
- serial numbers of the foregoing embodiments of the present invention are merely for description, and do not represent the advantages and disadvantages of the implementation scenarios.
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Abstract
Description
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Priority Applications (3)
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US14/889,807 US10091724B2 (en) | 2013-05-08 | 2014-05-08 | Information transmission method and device |
JP2016512214A JP2016522628A (ja) | 2013-05-08 | 2014-05-08 | 情報伝送方法及び機器 |
EP14795037.2A EP2996380B1 (en) | 2013-05-08 | 2014-05-08 | Information transmission method and device |
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CN201310167392.6A CN104144447B (zh) | 2013-05-08 | 2013-05-08 | 一种信息传输方法和设备 |
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CN108811070B (zh) | 2017-05-05 | 2023-10-20 | 华为技术有限公司 | 一种功率余量的传输方法及设备 |
US11259203B2 (en) * | 2018-01-07 | 2022-02-22 | Htc Corporation | Device and method of handling communication device capabilities |
CN108566311B (zh) | 2018-07-24 | 2020-09-01 | Oppo广东移动通信有限公司 | 载波聚合配置方法及相关设备 |
CN110958603B (zh) * | 2018-09-27 | 2021-06-29 | 华为技术有限公司 | 能力上报方法及装置 |
WO2020132313A1 (en) * | 2018-12-21 | 2020-06-25 | Qualcomm Incorporated | Dynamic backoff control for carrier aggregation waveforms |
CN111417176B (zh) * | 2019-01-07 | 2023-08-01 | 中国移动通信有限公司研究院 | 功率控制方法、功率等级调整方法、终端及网络侧设备 |
CN112020140B (zh) * | 2019-05-29 | 2023-05-09 | 中国移动通信有限公司研究院 | 资源配置方法及装置、通信设备 |
CN112019363B (zh) * | 2019-05-30 | 2021-12-14 | 华为技术有限公司 | 确定业务传输需求的方法、设备及系统 |
WO2021019631A1 (ja) * | 2019-07-26 | 2021-02-04 | 株式会社Nttドコモ | 通信装置及び通信方法 |
CN112615654A (zh) * | 2019-10-04 | 2021-04-06 | 英特尔公司 | 用于满功率上行链路传输的ue能力报告的装置和方法 |
CN113748745A (zh) * | 2020-03-31 | 2021-12-03 | Oppo广东移动通信有限公司 | 信息指示方法、装置、设备及存储介质 |
CN113873497A (zh) * | 2020-06-30 | 2021-12-31 | 中国电信股份有限公司 | 上报功率和控制功率的方法、终端、基站和通信系统 |
CN111816206B (zh) * | 2020-07-24 | 2023-12-15 | 黄君任 | 一种车载音乐的使用系统、方法及存储介质 |
WO2022266963A1 (zh) * | 2021-06-24 | 2022-12-29 | 北京小米移动软件有限公司 | 资源分配方法及其装置 |
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CN104144447A (zh) | 2014-11-12 |
CN104144447B (zh) | 2018-06-26 |
JP2016522628A (ja) | 2016-07-28 |
US10091724B2 (en) | 2018-10-02 |
EP2996380A4 (en) | 2016-11-30 |
EP2996380B1 (en) | 2020-06-10 |
US20160142976A1 (en) | 2016-05-19 |
EP2996380A1 (en) | 2016-03-16 |
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