WO2015168945A1 - D2d发现信息的接收方法和装置 - Google Patents
D2d发现信息的接收方法和装置 Download PDFInfo
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- WO2015168945A1 WO2015168945A1 PCT/CN2014/077182 CN2014077182W WO2015168945A1 WO 2015168945 A1 WO2015168945 A1 WO 2015168945A1 CN 2014077182 W CN2014077182 W CN 2014077182W WO 2015168945 A1 WO2015168945 A1 WO 2015168945A1
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- communication device
- indication
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- rrc
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- 238000000034 method Methods 0.000 title claims abstract description 100
- 238000004891 communication Methods 0.000 claims abstract description 439
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims description 183
- 230000000875 corresponding effect Effects 0.000 description 23
- 230000000694 effects Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000010267 cellular communication Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction 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
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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
-
- 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
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
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- 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 communication technologies, and in particular, to a method and an apparatus for receiving D2D discovery information. Background technique
- D2D communication is a new technology that allows devices to communicate directly between devices.
- D2D communication can improve the spectrum efficiency of cellular communication systems, reduce the transmission power of devices, and realize communication between short-range devices. .
- the communication device monitors on the D2D discovery resource to receive and process the D2D discovery information sent by the other D2D communication device, and the discovery information includes the pilot signal and the device information.
- the pilot signal is correlated with the local pilot sequence in a time domain, and the time when the second communication device discovery signal reaches the first communication device is obtained, and the detection is found.
- the information acquires device information of the second user equipment, and implements device discovery of the second communication device by the first communication device.
- Embodiments of the present invention provide a method and an apparatus for receiving D2D discovery information.
- An embodiment of the present invention provides a method for receiving D2D discovery information, including:
- Radio resource control of the D2D communication device the upper layer of the RRC layer sends a first indication to the physical layer of the D2D communication device, where the first indication is used to indicate that the physical layer switches from the D2D sleep state to the D2D listening state;
- the physical layer of the D2D communication device receives the first indication, and switches from a D2D sleep state to a D2D listening state according to the first indication to monitor D2D discovery information.
- An embodiment of the present invention provides a D2D communication device, including:
- An upper layer processing module of the RRC layer configured to send a first indication to the physical layer processing module, where the first indication is used to instruct the physical layer to switch from the D2D sleep state to the D2D listening state;
- the physical layer processing module is configured to receive the first indication, and switch from the D2D sleep state to the D2D listening state according to the first indication to monitor the D2D discovery information.
- An embodiment of the present invention provides a method and an apparatus for receiving D2D discovery information, by sending a first indication to a physical layer of the D2D communication device by using an upper layer of an RRC layer of the D2D communication device, where the first indication is used to indicate that the physical layer is
- the D2D sleep state is switched to the D2D listening state, and the physical layer of the D2D communication device receives the first indication, and switches from the D2D sleep state to the D2D listening state according to the first indication to monitor the D2D discovery information, so that the D2D communication device needs When D2D communication is performed, it is in the D2D listening state, which reduces the power consumption of the D2D communication device and improves the standby time of the D2D communication device.
- Embodiment 1 is a flowchart of Embodiment 1 of a method for receiving D2D discovery information according to the present invention
- Embodiment 3 is a flowchart of Embodiment 3 of a method for receiving D2D discovery information according to the present invention
- Embodiment 4 is a flowchart of Embodiment 4 of a method for receiving D2D discovery information according to the present invention
- Embodiment 5 is a flowchart of Embodiment 5 of a method for receiving D2D discovery information according to the present invention
- Embodiment 6 is a flowchart of Embodiment 6 of a method for receiving D2D discovery information according to the present invention
- Embodiment 7 is a flowchart of Embodiment 7 of a method for receiving D2D discovery information according to the present invention
- Embodiment 8 is a flowchart of Embodiment 8 of a method for receiving D2D discovery information according to the present invention.
- Embodiment 9 is a flowchart of Embodiment 9 of a method for receiving D2D discovery information according to the present invention.
- Embodiment 10 is a flowchart of Embodiment 10 of a method for receiving D2D discovery information according to the present invention.
- Embodiment 1 of a D2D communication device is a schematic structural diagram of Embodiment 1 of a D2D communication device according to the present invention.
- FIG. 11 is a schematic structural diagram of Embodiment 3 of a D2D communication device according to the present invention.
- FIG. 12 is a schematic structural diagram of Embodiment 6 of a D2D communication device according to the present invention.
- the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention.
- the embodiments are a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
- 1 is a flowchart of Embodiment 1 of a method for receiving D2D discovery information according to the present invention. As shown in FIG. 1, the method in this embodiment may include:
- Step 101 The upper layer of the radio resource control (RRC, Radio Resource Control) layer of the D2D communication device sends a first indication to the physical layer of the D2D communication device, where the first indication is used to indicate that the physical layer switches from the D2D sleep state to D2D listening status;
- RRC Radio Resource Control
- the upper layer of the RRC layer may be an application, or an operating system, or an application proxy, or a non-access-strata (NAS).
- NAS non-access-strata
- Step 102 The physical layer of the D2D communication device receives the first indication, and switches from a D2D sleep state to a D2D listening state according to the first indication to monitor D2D discovery information.
- the physical layer of the D2D communication device switches from the D2D sleep state to the D2D listening state to listen to the D2D discovery information.
- the D2D sleep state means that the physical layer of the D2D communication device does not listen to D2D discovery information from the physical channel.
- the D2D listening state means that the physical layer of the D2D communication device listens for D2D discovery information from the physical channel.
- the D2D communication device monitors on the D2D discovery resource to receive and process the D2D discovery information sent by the other D2D communication device.
- the upper layer of the RRC layer of the D2D communication device is sent to the D2D communication device.
- the physical layer sends a first indication, and the physical layer of the D2D communication device receives the first indication, and switches from the D2D sleep state to the D2D listening state according to the first indication to monitor the D2D discovery information.
- the D2D communication device since the D2D communication device is always in the D2D listening state, when the D2D communication device does not need to perform D2D communication, the discovery information sent by other D2D devices needs to be received and processed, resulting in high power consumption of the D2D communication device;
- the upper layer of the RRC layer of the D2D communication device sends a first physical layer indicating the communication device to the physical layer of the D2D communication device to receive the first indication, and switches from the D2D sleep state to the first indication according to the first indication.
- the D2D monitors the state to monitor the D2D discovery information, so that the D2D communication device is in the D2D listening state when D2D communication is required, which reduces the power consumption of the D2D communication device and improves the standby time of the D2D communication device.
- the first layer is sent to the physical layer of the D2D communication device by the upper layer of the RRC layer of the D2D communication device, and the physical layer of the D2D communication device receives the first indication, and the D2D sleep state is performed according to the first indication.
- Switch to the D2D listening state to listen to the D2D discovery letter The information enables the D2D communication device to be in the D2D listening state when D2D communication is required, which reduces the power consumption of the D2D communication device and improves the standby time of the D2D communication device.
- step 101 may include: sending, by the RRC layer, an upper layer of the RRC layer of the D2D communication device to the physical layer; or, D2D communication
- the upper layer of the RRC layer of the device sends a first indication to the physical layer through the RRC layer and the medium access control (MAC) layer; or the upper layer of the RRC layer of the D2D communication device sends the first layer to the physical layer through the MAC layer.
- MAC medium access control
- the cellular communication system adopts a discontinuous reception (DRX) technology, that is, the cellular communication device receives the cellular communication system message only at a predetermined time, if this is
- DRX discontinuous reception
- the technology is directly applied to the D2D communication device, and there is a problem that the D2D discovery information is not received when the D2D communication device needs to perform D2D communication; in the present invention, the D2D communication is performed to the D2D through the upper layer of the RRC layer of the D2D communication device.
- the physical layer of the device sends a first indication, and after receiving the first indication, the physical layer switches from the D2D sleep state to the D2D listening state to monitor the D2D discovery information, so that the D2D communication device performs the D2D sleep state when D2D communication is required.
- Switching to the D2D listening state not only reduces the power consumption of the D2D communication device, but also improves the standby time of the D2D communication device, and also enables timely reception of D2D discovery information.
- the first layer of the RRC layer of the D2D communication device sends a first indication to the physical layer of the D2D communication device, and after receiving the first indication, the physical layer switches from the D2D sleep state to the D2D listening state to monitor
- the D2D discovery information enables the D2D communication device to switch from the D2D sleep state to the D2D monitor state when D2D communication is required, which not only reduces the power consumption of the D2D communication device, but also improves the standby time of the D2D communication device, and can also implement the D2D. Discover the timely receipt of information.
- Embodiment 3 is a flowchart of Embodiment 3 of a method for receiving D2D discovery information according to the present invention. As shown in FIG. 2, the method in this embodiment may include:
- Step 201 The upper layer of the RRC layer of the D2D communication device sends a first indication to the RRC layer.
- Step 202 The RRC layer of the D2D communication device sends the first indication to a physical layer of the D2D communication device, where the first indication is a receiving indication.
- Step 203 The physical layer of the D2D communication device receives the first indication, and switches from a D2D sleep state to a D2D listening state according to the first indication to monitor D2D discovery information.
- the physical layer of the D2D communication device switches from the D2D sleep state to the D2D listening state to listen to the D2D discovery information.
- the upper layer of the RRC layer of the D2D communication device sends a receiving indication to the RRC layer, and after receiving the receiving indication, the RRC layer sends the receiving indication to the physical layer of the D2D communication device.
- the physical layer switches from the D2D sleep state to the D2D listening state to monitor the D2D discovery information, so that the D2D communication device is in the D2D listening state when D2D communication is required, thereby reducing the consumption of the D2D communication device.
- the power consumption increases the standby time of the D2D communication device.
- the RRC layer of the D2D communication device sends a resource indication to the physical layer, where the resource indication includes: configuration information of the D2D discovery resource, where the resource indication is used to indicate the physical layer of the D2D communication device. And monitoring the D2D discovery information on the D2D discovery resource corresponding to the configuration information of the D2D discovery resource.
- the configuration information of the D2D discovery resource may include: time domain information and frequency domain information of the D2D discovery resource; or, the configuration information of the D2D discovery resource may include: frequency domain information of the D2D discovery resource.
- the RRC layer of the D2D communication device sends the resource indication to the physical layer, where: the RRC layer of the D2D communication device sends the resource indication message to the physical layer by using the MAC layer; or the RRC layer of the D2D communication device directly sends the resource to the physical layer. Indicate the message.
- the RRC layer of the D2D communication device acquires the configuration information of the D2D discovery resource.
- the RRC layer of the D2D communication device before the RRC layer of the D2D communication device sends the resource indication message to the physical layer, the RRC layer of the D2D communication device acquires the configuration information of the D2D discovery resource.
- the RRC layer of the optional communication device acquires the configuration information of the D2D discovery resource, including: the RRC layer of the D2D communication device acquires the configuration information of the D2D discovery resource by using a system broadcast message; or the RRC layer of the D2D communication device passes the dedicated RRC message acquires configuration information of the D2D discovery resource; or, the RRC layer of the D2D communication device passes the protocol agreement Obtaining configuration information of the D2D discovery resource.
- the configuration information of the D2D discovery resource includes: a cell identifier and a configuration information of the D2D discovery resource corresponding to the cell identifier.
- the physical layer of the D2D communication device switches from the D2D sleep state to the D2D listening state after receiving the receiving indication, to be indicated by the configuration information of the D2D discovery resource corresponding to each cell identifier in the configuration information of the D2D discovery resource.
- the D2D discovery resource monitors the D2D discovery information, so that the D2D communication device can not only receive D2D discovery information sent by other D2D communication devices belonging to the same serving cell, but also receive D2D discovery information sent by other D2D communication devices from neighboring cells. .
- step 201 includes: performing, by the upper layer of the RRC layer of the D2D communication device, the
- the RRC layer sends the receiving indication and the cell identifier; further, the RRC layer of the D2D communication device sends the receiving indication and the cell identifier to a physical layer of the D2D communication device; further, the physical layer receives the receiving After the indication and the cell identifier, switching from the D2D sleep state to the D2D listening state, the D2D discovery information is monitored on the D2D discovery resource indicated by the configuration information of the D2D discovery resource corresponding to the cell identifier, so that the D2D communication device can Listening to D2D discovery messages on specific cells according to the instructions of the upper layer of the RRC layer
- FIG. 3 is a flowchart of Embodiment 4 of a method for receiving D2D discovery information according to the present invention. As shown in FIG. 3, the method in this embodiment may include:
- Step 301 The upper layer of the RRC layer of the D2D communication device sends a receiving indication to the RRC layer.
- Step 302 After receiving the receiving indication, the RRC layer of the D2D communication device sends a first indication to the physical layer of the D2D communication device, where the first indication is configuration information of the D2D discovery resource.
- the RRC layer of the D2D communication device replaces the receiving indication with the configuration information of the D2D discovery resource as a first indication, and sends the configuration information to the physical layer of the D2D communication device; or After receiving the receiving indication, the RRC layer of the D2D communication device generates a new message including configuration information of the D2D discovery resource as a first indication, and sends the message to the physical layer of the D2D communication device.
- Step 303 The physical layer of the D2D communication device receives the first indication, according to the The first indication switches from the D2D sleep state to the D2D listening state to listen for D2D discovery information. Specifically, after the physical layer of the D2D communication device receives the configuration information of the D2D discovery resource, the physical layer switches from the D2D sleep state to the D2D listening state on the D2D discovery resource indicated by the configuration information of the D2D discovery resource. To listen to D2D discovery information.
- the upper layer of the RRC layer of the D2D communication device sends a receiving indication to the RRC layer, and after receiving the receiving indication, the RRC layer sends a first indication to the physical layer of the D2D communication device, where
- the first indication is configuration information of the D2D discovery resource
- the physical layer switches from the D2D sleep state to the D2D listening state on the D2D discovery resource indicated by the configuration information of the D2D discovery resource, to The D2D discovery information is monitored on the D2D discovery resource indicated by the configuration information of the D2D discovery resource, so that the D2D communication device is in the D2D monitoring state when the D2D communication is required, the power consumption of the D2D communication device is reduced, and the D2D communication device is improved. Standby time.
- the RRC layer of the D2D communication device acquires the configuration information of the D2D discovery resource.
- the RRC layer of the D2D communication device obtains the configuration information of the D2D discovery resource; or, before the step 302, the RRC layer of the D2D communication device acquires the configuration information of the D2D discovery resource.
- the method for obtaining the configuration information of the D2D discovery resource by the RRC layer of the D2D communication device is the same as that of the method for receiving the D2D discovery information in the third embodiment, and details are not described herein again.
- the configuration information of the D2D discovery resource includes: a cell identifier and a configuration information of the D2D discovery resource corresponding to the cell identifier.
- the physical layer of the D2D communication device switches from the D2D sleep state to the D2D listening state, so that the configuration information of the D2D discovery resource corresponding to each cell identifier in the configuration information of the D2D discovery resource is The D2D discovery information is monitored on the indicated D2D discovery resource, so that the D2D communication device can not only receive D2D discovery information sent by other D2D communication devices belonging to the same serving cell, but also receive D2D discovery sent by other D2D communication devices from neighboring cells. information.
- Step 401 The upper layer of the RRC layer of the D2D communication device sends a receiving indication to the RRC layer.
- Step 402 After receiving the receiving indication, the RRC layer of the D2D communication device sends a first indication to the physical layer of the D2D communication device, where the first indication includes the receiving indication and configuration information of the D2D discovery resource. ;
- Step 403 The physical layer of the D2D communication device receives the first indication, and switches from a D2D sleep state to a D2D listening state according to the first indication to monitor D2D discovery information.
- the physical layer of the D2D communication device receives the receiving indication and the configuration information of the D2D discovery resource, and the physical layer switches from the D2D sleep state to the D2D monitoring on the D2D discovery resource indicated by the configuration information of the D2D discovery resource. Status to listen for D2D discovery information.
- the upper layer of the RRC layer of the D2D communication device sends a receiving indication to the RRC layer, and after receiving the receiving indication, the RRC layer sends a first indication to the physical layer of the D2D communication device, where The first indication includes the receiving indication and configuration information of the D2D discovery resource, and after receiving the first indication, the physical layer switches from the D2D sleep state to the D2D discovery resource indicated by the configuration information of the D2D discovery resource.
- the D2D listening state monitors the D2D discovery information on the D2D discovery resource indicated by the configuration information of the D2D discovery resource, so that the D2D communication device is in the D2D listening state when D2D communication is required, thereby reducing the power consumption of the D2D communication device and improving The standby time of the D2D communication device.
- the RRC layer of the D2D communication device acquires the configuration information of the D2D discovery resource.
- the RRC layer of the D2D communication device obtains the configuration information of the D2D discovery resource; or, before the step 402, the RRC layer of the D2D communication device acquires the configuration information of the D2D discovery resource.
- the method for obtaining the configuration information of the D2D discovery resource by the RRC layer of the D2D communication device is the same as that of the method for receiving the D2D discovery information in the third embodiment, and details are not described herein again.
- the configuration information of the D2D discovery resource includes: a cell identifier and a configuration information of the D2D discovery resource corresponding to the cell identifier.
- the physical layer of the D2D communication device switches from the D2D sleep state to the D2D listening state, so that each cell in the D2D discovery resource configuration information Identifying D2D discovery information on the D2D discovery resource indicated by the configuration information of the corresponding D2D discovery resource, so that the D2D communication device can not only receive D2D discovery information sent by other D2D communication devices belonging to the same serving cell, but also receive neighboring information. D2D discovery information sent by other D2D communication devices of the cell.
- FIG. 5 is a flowchart of Embodiment 6 of a method for receiving D2D discovery information according to the present invention. As shown in FIG. 5, the method in this embodiment may include:
- Step 501 The upper layer of the RRC layer of the D2D communication device sends a first indication to the RRC layer.
- Step 502 The RRC layer of the D2D communication device sends the first indication to a MAC layer of the D2D communication device.
- Step 503 The MAC layer of the D2D communication device sends the first indication to a physical layer of the D2D communication device, where the first indication is a receiving indication.
- Step 504 The physical layer of the D2D communication device receives the first indication, and switches from a D2D sleep state to a D2D listening state according to the first indication to monitor D2D discovery information.
- the physical layer of the D2D communication device switches from the D2D sleep state to the D2D listening state to listen to the D2D discovery information.
- the upper layer of the RRC layer of the D2D communication device sends a receiving indication to the RRC layer, and after receiving the receiving indication, the RRC layer sends the receiving indication to the MAC layer of the D2D communication device.
- the MAC layer sends the receiving indication to the physical layer of the communications device, and after receiving the receiving indication, the physical layer switches from the D2D sleep state to the D2D listening state to listen to the D2D.
- the discovery information enables the D2D communication device to be in the D2D listening state when D2D communication is required, which reduces the power consumption of the D2D communication device and improves the standby time of the D2D communication device.
- the RRC layer of the D2D communication device sends a resource indication to the physical layer, where the resource indication includes: configuration information of the D2D discovery resource, where the resource indication is used to indicate the physical layer of the D2D communication device. And monitoring the D2D discovery information on the D2D discovery resource corresponding to the configuration information of the D2D discovery resource.
- the method for transmitting the resource indication to the physical layer by the RRC layer of the D2D communication device is the same as that of the method for receiving the D2D discovery information in the third embodiment, and details are not described herein again.
- the upper layer of the RRC layer of the D2D communication device is to the physical layer of the D2D communication device.
- the method further includes: acquiring, by the RRC layer of the D2D communication device, configuration information of the D2D discovery resource.
- the RRC layer of the D2D communication device before the RRC layer of the D2D communication device sends the resource indication message to the physical layer, the RRC layer of the D2D communication device acquires the configuration information of the D2D discovery resource,
- the method for obtaining the configuration information of the D2D discovery resource by the RRC layer of the D2D communication device is the same as that of the method for receiving the D2D discovery information in the third embodiment, and details are not described herein again.
- the configuration information of the D2D discovery resource includes: a cell identifier and a configuration information of the D2D discovery resource corresponding to the cell identifier.
- the physical layer of the D2D communication device switches from the D2D sleep state to the D2D listening state after receiving the receiving indication, to be indicated by the configuration information of the D2D discovery resource corresponding to each cell identifier in the configuration information of the D2D discovery resource.
- the D2D discovery resource monitors the D2D discovery information, so that the D2D communication device can not only receive D2D discovery information sent by other D2D communication devices belonging to the same serving cell, but also receive D2D discovery information sent by other D2D communication devices from neighboring cells. .
- the step 501 includes: sending, by the upper layer of the RRC layer of the D2D communication device, a receiving indication and a cell identifier to the RRC layer; further, the RRC layer of the D2D communication device sends the MAC layer to the D2D communication device Receiving the receiving indication and the cell identifier; further, the MAC layer of the D2D communication device sends the receiving indication and the cell identifier to a physical layer of the D2D communication device; further, the physical layer receives the receiving After the indication and the cell identifier, the D2D sleep state is switched to the D2D listening state, so that the D2D discovery information is monitored on the D2D discovery resource indicated by the configuration information of the D2D discovery resource corresponding to the cell identifier, so that the D2D communication device can The D2D discovery information is monitored on a specific cell according to an indication of an upper layer of the RRC layer.
- FIG. 6 is a flowchart of Embodiment 7 of the method for receiving D2D discovery information according to the present invention. As shown in FIG. 6, the method in this embodiment may include:
- Step 601 The upper layer of the RRC layer of the D2D communication device sends a receiving indication to the RRC layer.
- Step 602 After receiving the receiving indication, the RRC layer of the D2D communication device sends a first indication to the MAC layer of the communications device, where the first indication is a D2D discovery resource.
- Configuration information After receiving the receiving indication, the RRC layer of the D2D communication device sends a first indication to the MAC layer of the communications device, where the first indication is a D2D discovery resource.
- the RRC layer of the D2D communication device replaces the receiving indication with the configuration information of the D2D discovery resource as a first indication, and sends the configuration information to the physical layer of the D2D communication device; or After receiving the receiving indication, the RRC layer of the D2D communication device generates a new message including configuration information of the D2D discovery resource as a first indication, and sends the message to the physical layer of the D2D communication device.
- Step 603 The MAC layer of the D2D communication device sends the first indication to a physical layer of the D2D communication device.
- Step 604 The physical layer of the D2D communication device receives the first indication, and switches from a D2D sleep state to a D2D listening state according to the first indication to monitor D2D discovery information.
- the physical layer of the D2D communication device receives the configuration information of the D2D discovery resource, and the physical layer switches from the D2D sleep state to the D2D listening state on the D2D discovery resource indicated by the configuration information of the D2D discovery resource. To listen to D2D discovery information.
- the upper layer of the RRC layer of the D2D communication device sends a receiving indication to the RRC layer, and after receiving the receiving indication, the RRC layer sends a first indication to the MAC layer of the D2D communication device, where The first indication is configuration information of the D2D discovery resource, and after receiving the first indication, the MAC layer sends the first indication to the physical layer of the communication device, where the physical layer receives the first indication Afterwards, the D2D sleep state is switched from the D2D sleep state to the D2D snoop state on the D2D discovery resource indicated by the configuration information of the D2D discovery resource, so that the D2D discovery information is monitored on the D2D discovery resource indicated by the configuration information of the D2D discovery resource, so that the D2D communication device is enabled.
- D2D communication is required, it is in the D2D listening state, which reduces the power consumption of the D2D communication device and improves the standby time of the D2D communication device.
- the RRC layer of the D2D communication device acquires the configuration information of the D2D discovery resource.
- the RRC layer of the D2D communication device obtains the configuration information of the D2D discovery resource; or, before the step 602, the RRC layer of the D2D communication device acquires the configuration information of the D2D discovery resource.
- the configuration information of the D2D discovery resource includes: a cell identifier and configuration information of the D2D discovery resource corresponding to the cell identifier.
- the physical layer of the D2D communication device switches from the D2D sleep state to the D2D listening state, so that the configuration information of the D2D discovery resource corresponding to each cell identifier in the configuration information of the D2D discovery resource is The D2D discovery information is monitored on the indicated D2D discovery resource, so that the D2D communication device can not only receive D2D discovery information sent by other D2D communication devices belonging to the same serving cell, but also receive D2D discovery sent by other D2D communication devices from neighboring cells. information.
- FIG. 7 is a flowchart of Embodiment 8 of the method for receiving D2D discovery information according to the present invention. As shown in FIG. 7, the method in this embodiment may include:
- Step 701 The upper layer of the RRC layer of the D2D communication device sends a receiving indication to the RRC layer.
- Step 702 After receiving the receiving indication, the RRC layer of the D2D communication device sends a first indication to the MAC layer of the D2D communication device, where the first indication includes the receiving indication and configuration information of the D2D discovery resource. ;
- Step 703 The MAC layer of the D2D communication device sends the first indication to a physical layer of the D2D communication device.
- Step 704 The physical layer of the D2D communication device receives the first indication, and switches from a D2D sleep state to a D2D listening state according to the first indication to monitor D2D discovery information.
- the physical layer of the D2D communication device receives the receiving indication and the configuration information of the D2D discovery resource, and the physical layer switches from the D2D sleep state to the D2D on the D2D discovery resource indicated by the configuration information of the D2D discovery resource.
- Monitor state to listen to D2D, ⁇ see in grinding, o
- the upper layer of the RRC layer of the D2D communication device sends a receiving indication to the RRC layer, and after receiving the receiving indication, the RRC layer sends the first indication to the MAC layer of the D2D communication device,
- the first indication includes a receiving indication and configuration information of a D2D discovery resource, and after receiving the first indication, the MAC layer sends the first indication to a physical layer of the D2D communication device, where the physical layer receives After the first indication, switching from the D2D sleep state to the D2D listening state on the D2D discovery resource indicated by the configuration information of the D2D discovery resource, to discover the resource in the D2D indicated by the configuration information of the D2D discovery resource.
- the D2D discovery information is monitored, so that the D2D communication device is in the D2D listening state when D2D communication is required, which reduces the power consumption of the D2D communication device and improves the standby time of the D2D communication device.
- the RRC layer of the D2D communication device acquires the configuration information of the D2D discovery resource.
- the RRC layer of the D2D communication device obtains the configuration information of the D2D discovery resource; or, before the step 702, the RRC layer of the D2D communication device acquires the configuration information of the D2D discovery resource.
- the method for obtaining the configuration information of the D2D discovery resource by the RRC layer of the D2D communication device is the same as that of the method for receiving the D2D discovery information in the third embodiment, and details are not described herein again.
- the configuration information of the D2D discovery resource includes: a cell identifier and a configuration information of the D2D discovery resource corresponding to the cell identifier.
- the physical layer of the D2D communication device switches from the D2D sleep state to the D2D listening state, so that the configuration information of the D2D discovery resource corresponding to each cell identifier in the configuration information of the D2D discovery resource is The D2D discovery information is monitored on the indicated D2D discovery resource, so that the D2D communication device can not only receive D2D discovery information sent by other D2D communication devices belonging to the same serving cell, but also receive D2D discovery sent by other D2D communication devices from neighboring cells. information.
- FIG. 8 is a flowchart of Embodiment 9 of a method for receiving D2D discovery information according to the present invention. As shown in FIG. 8, the method in this embodiment may include:
- Step 801 The upper layer of the RRC layer of the D2D communication device sends a first indication to the MAC layer of the communications device.
- Step 802 The MAC layer of the D2D communication device sends the first indication to a physical layer of the D2D communication device, where the first indication is a receiving indication.
- Step 803 The physical layer of the D2D communication device receives the first indication, and switches from a D2D sleep state to a D2D listening state according to the first indication to monitor D2D discovery information.
- the physical layer of the D2D communication device switches from the D2D sleep state to the D2D listening state to listen to the D2D discovery information.
- the upper layer of the RRC layer of the D2D communication device is sent to the D2D device.
- the MAC layer sends a receiving indication, and after receiving the receiving indication, the MAC layer sends the receiving indication to a physical layer of the D2D communication device, and after receiving the receiving indication, the physical layer switches from a D2D sleep state.
- the D2D listening state is monitored to monitor the D2D discovery information, so that the D2D communication device is in the D2D listening state when D2D communication is required, which reduces the power consumption of the D2D communication device and improves the standby time of the D2D communication device.
- the RRC layer of the D2D communication device sends a resource indication to the physical layer, where the resource indication includes: configuration information of the D2D discovery resource, where the resource indication is used to indicate the physical layer of the D2D communication device. And receiving D2D discovery information on the D2D discovery resource corresponding to the configuration information of the D2D discovery resource.
- the RRC layer of the D2D communication device sends a resource indication message to the physical layer, including:
- the RRC layer of the D2D communication device sends a resource indication message to the physical layer through the MAC layer; or the RRC layer of the D2D communication device directly sends a resource indication message to the physical layer.
- the method for transmitting the resource indication to the physical layer by the RRC layer of the D2D communication device is the same as that of the method for receiving the D2D discovery information in the third embodiment, and details are not described herein again.
- the RRC layer of the D2D communication device acquires the configuration information of the D2D discovery resource.
- the RRC layer of the D2D communication device before the RRC layer of the D2D communication device sends the resource indication message to the physical layer, the RRC layer of the D2D communication device acquires the configuration information of the D2D discovery resource,
- the method for obtaining the configuration information of the D2D discovery resource by the RRC layer of the D2D communication device is the same as that of the method for receiving the D2D discovery information in the third embodiment, and details are not described herein again.
- the configuration information of the D2D discovery resource includes: a cell identifier and a configuration information of the D2D discovery resource corresponding to the cell identifier.
- the physical layer of the D2D communication device switches from the D2D sleep state to the D2D listening state after receiving the receiving indication, to be indicated by the configuration information of the D2D discovery resource corresponding to each cell identifier in the configuration information of the D2D discovery resource.
- the D2D discovery resource monitors the D2D discovery information, so that the D2D communication device can not only receive D2D discovery information sent by other D2D communication devices belonging to the same serving cell, but also receive D2D discovery information sent by other D2D communication devices from neighboring cells. .
- the step 801 includes: sending, by the upper layer of the RRC layer of the D2D communication device, the receiving indication and the cell identifier to a MAC layer of the D2D communication device; further, the MAC layer of the D2D communication device is The physical layer of the D2D communication device sends the receiving indication and the cell identifier. Further, after receiving the receiving indication and the cell identifier, the physical layer switches from the D2D sleep state to the D2D listening state to correspond to the cell identifier.
- the D2D discovery resource indicated on the D2D discovery resource indicated by the configuration information of the D2D discovery resource enables the D2D communication device to monitor the D2D discovery information on the specific cell according to the indication of the upper layer of the RRC layer.
- FIG. 9 is a flowchart of Embodiment 10 of the method for receiving D2D discovery information according to the present invention. As shown in FIG. 9, the method in this embodiment may include:
- Step 901 The upper layer of the RRC layer of the D2D communication device sends a second indication to the physical layer of the D2D communication device, where the second indication is used to indicate that the physical layer switches from the D2D listening state to the D2D sleep state.
- Step 902 The physical layer of the D2D communication device receives the second indication, and switches from the D2D listening state to the D2D sleep state according to the second indication to stop listening to the D2D discovery signal.
- the D2D communication device monitors on the D2D discovery resource to receive and process the D2D discovery information sent by the other D2D communication device.
- the upper layer of the RRC layer of the D2D communication device is sent to the D2D communication device.
- the physical layer sends a second indication, and the physical layer of the D2D communication device receives the second indication, and switches from the D2D listening state to the D2D sleep state according to the second indication to stop listening to the D2D discovery information.
- the D2D communication device since the D2D communication device is always in the D2D listening state, when the D2D communication device does not need to perform D2D communication, the discovery information sent by other D2D devices needs to be received and processed, resulting in high power consumption of the D2D communication device;
- the upper layer of the RRC layer of the D2D communication device sends a second indication to the physical layer of the D2D communication device that the physical layer of the communication device receives the second indication, and switches from the D2D listening state to the D2D sleep state according to the second indication.
- the D2D communication device can be in the D2D sleep state when the D2D communication device does not need to perform D2D communication, which reduces the power consumption of the D2D communication device and improves the standby time of the D2D communication device.
- the upper layer of the RRC layer of the D2D communication device is directed to the D2D communication device
- the physical layer sends a second indication
- the physical layer of the D2D communication device receives the second indication, switches from the D2D listening state to the D2D sleep state according to the second indication, to stop listening to the D2D discovery information, so that the D2D communication device does not need to perform D2D When communicating, it can be in the D2D sleep state, which reduces the power consumption of the D2D communication device and improves the standby time of the D2D communication device.
- the step 901 may include: the upper layer of the RRC layer of the D2D communication device sends a second indication to the physical layer by using the RRC layer; or The upper layer of the RRC layer of the D2D communication device sends a second indication to the physical layer through the RRC layer and the medium access control MAC layer; or the upper layer of the RRC layer of the communication device sends a second indication to the physical layer through the MAC layer.
- the second layer is sent to the physical layer of the D2D communication device by the upper layer of the RRC layer of the D2D communication device, the physical layer of the D2D communication device receives the second indication, and switches from the D2D listening state to the D2D sleep according to the second indication.
- the state stops the monitoring of the D2D discovery information, so that the D2D communication device can be in the D2D sleep state when the D2D communication device is not required to be performed, the power consumption of the D2D communication device is reduced, and the standby time of the D2D communication device is improved.
- the method for receiving the D2D discovery information the upper layer of the RRC layer sends the first indication to the physical layer, and the upper layer of the RRC layer sends the first layer to the physical layer in the second embodiment of the method for receiving the D2D discovery information. There is no correspondence between the two indications.
- the second indication may include stopping the receiving indication.
- the second indication may include the cell identifier, so that the physical layer of the D2D communication device receives the second indication, and switches from the D2D listening state to the D2D sleep state according to the second indication, to be in the second indication.
- the D2D discovery information is stopped on the D2D discovery resource indicated by the configuration information of the D2D discovery resource corresponding to the middle cell identifier.
- FIG. 10 is a schematic structural diagram of Embodiment 1 of a D2D communication device according to the present invention.
- the D2D communication device in this embodiment may include: an upper layer processing module 1001 of the RRC layer, configured to send the first layer to the physical layer processing module 1002.
- the first indication is used to indicate that the physical layer is switched from the D2D sleep state to the D2D listening state; the physical layer processing module 1002 is configured to receive the first indication, and switch from the D2D sleep state to the D2D according to the first indication. Listen to the status to listen to D2D discovery information.
- the D2D communication device of this embodiment can be used to execute the technology of the method embodiment shown in FIG.
- the implementation principle and the technical effect are similar, and will not be described here.
- the upper layer processing module 1001 of the RRC layer is specifically configured to send the first indication to the physical layer processing module by using the RRC layer; or Transmitting, by the RRC layer and the medium access control MAC layer, the first indication to the physical layer processing module; or sending a first indication to the physical layer processing module by using a MAC layer.
- the D2D communication device in this embodiment may be used to implement the technical solution in the second embodiment of the method.
- the implementation principle and technical effects are similar, and details are not described herein again.
- the D2D communication device of the present embodiment further includes: an RRC layer, based on the structure of the D2D communication device shown in FIG.
- the processing module 1003 is configured to: after receiving the first indication sent by the upper layer processing module 1001 of the RRC layer, send the first indication to the physical layer processing module 1002, where the first indication is a receiving indication; the upper layer processing module of the RRC layer 1001. Specifically, the first indication is sent to the RRC layer processing module 1003.
- the RRC layer processing module 1003 is further configured to: before the upper layer processing module 1001 of the RRC layer sends the first indication to the physical layer processing module 1002, send a resource indication to the physical layer processing module 1002, where the resource indication
- the device includes: D2D discovery resource configuration information, where the resource indication is used to instruct the physical layer processing module 1002 to listen to the D2D discovery information on the D2D discovery resource corresponding to the configuration information of the D2D discovery resource.
- the RRC layer processing module 1003 is specifically configured to: send a resource indication message to the physical layer processing module 1002 through the MAC layer; or directly send a resource indication message to the physical layer processing module 1002.
- the RRC layer processing module 1003 is further configured to obtain configuration information of the D2D discovery resource before the upper layer processing module 1001 of the RRC layer sends the first indication to the physical layer processing module 1002. Further, the RRC layer processing module 1003 is configured to: obtain configuration information of the D2D discovery resource by using a system broadcast message; or obtain configuration information of the D2D discovery resource by using a dedicated RRC message; or Obtaining configuration information of the D2D discovery resource.
- the D2D communication device of this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 2, and the implementation principle and technical effects are similar, and details are not described herein again.
- the D2D communication device of this embodiment is based on the D2D communication device structure shown in FIG. 10, and further includes: an RRC layer processing module 1003, configured to receive an upper layer processing module 1001 of the RRC layer.
- the physical layer processing module 1002 After receiving the received indication, the physical layer processing module 1002 sends a first indication, where the first indication is configuration information of the D2D discovery resource, and the upper layer processing module 1001 of the RRC layer is specifically configured to send the RRC layer processing module 1003.
- Receive instructions is based on the D2D communication device structure shown in FIG. 10, and further includes: an RRC layer processing module 1003, configured to receive an upper layer processing module 1001 of the RRC layer.
- the RRC layer processing module 1003 is further configured to obtain configuration information of the D2D discovery resource before the upper layer processing module 1001 of the RRC layer sends the first indication to the physical layer processing module 1002. Further, the RRC layer processing module 1003 is configured to: obtain configuration information of the D2D discovery resource by using a system broadcast message; or obtain configuration information of the D2D discovery resource by using a dedicated RRC message; or Obtaining configuration information of the D2D discovery resource.
- the D2D communication device of this embodiment can be used to implement the technical solution of the method embodiment shown in FIG. 3, and the implementation principle and technical effects are similar, and details are not described herein again.
- the D2D communication device of this embodiment is based on the D2D communication device structure shown in FIG. 10, and further includes: an RRC layer processing module 1003, configured to receive an upper layer processing module 1001 of the RRC layer.
- the physical layer processing module 1002 After receiving the received indication, the physical layer processing module 1002 sends a first indication, where the first indication includes the receiving indication and the configuration information of the D2D discovery resource.
- the upper layer processing module 1001 of the RRC layer is specifically configured to process to the RRC layer.
- Module 1003 sends the receive indication.
- the RRC layer processing module 1003 is further configured to obtain configuration information of the D2D discovery resource before the upper layer processing module 1001 of the RRC layer sends the first indication to the physical layer processing module 1002. Further, the RRC layer processing module 1003 is configured to: obtain configuration information of the D2D discovery resource by using a system broadcast message; or obtain configuration information of the D2D discovery resource by using a dedicated RRC message; or Obtaining configuration information of the D2D discovery resource.
- the D2D communication device of this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 4, and the implementation principle and technical effects are similar, and details are not described herein again.
- 12 is a schematic structural diagram of Embodiment 6 of a D2D communication device according to the present invention. As shown in FIG. 12, the D2D communication device of this embodiment may further include: an RRC layer, based on the structure of the D2D communication device shown in FIG.
- the processing module 1003 is configured to: after receiving the first indication sent by the upper layer processing module 1001 of the RRC layer, send the first indication to the MAC layer processing module 1004; the MAC layer processing module 1004 is configured to receive the first indication, And sending the first indication to the physical layer processing module 1002, where the first indication is a receiving indication; the upper layer processing module 1001 of the RRC layer is specifically configured to send the first indication to the RRC layer processing module 1003.
- the RRC layer processing module 1003 is further configured to: before the upper layer processing module 1001 of the RRC layer sends the first indication to the physical layer processing module 1002, send a resource indication to the physical layer processing module 1002, where the resource indication
- the device includes: D2D discovery resource configuration information, where the resource indication is used to instruct the physical layer processing module 1002 to listen to the D2D discovery information on the D2D discovery resource corresponding to the configuration information of the D2D discovery resource.
- the RRC layer processing module 1003 is specifically configured to: send a resource indication message to the physical layer processing module 1002 through the MAC layer; or directly send a resource indication message to the physical layer processing module 1002.
- the RRC layer processing module 1003 is further configured to obtain configuration information of the D2D discovery resource before the upper layer processing module 1001 of the RRC layer sends the first indication to the physical layer processing module 1002. Further, the RRC layer processing module 1003 is configured to: obtain configuration information of the D2D discovery resource by using a system broadcast message; or obtain configuration information of the D2D discovery resource by using a dedicated RRC message; or Obtaining configuration information of the D2D discovery resource.
- the D2D communication device of this embodiment can be used to implement the technical solution of the method embodiment shown in FIG. 5, and the implementation principle and technical effects are similar, and details are not described herein again.
- the D2D communication device of this embodiment may further include: an RRC layer processing module 1003, configured to receive an upper layer processing module 1001 of the RRC layer, based on the D2D communication device structure shown in FIG.
- the MAC layer processing module 1004 sends a first indication, where the first indication is configuration information of the D2D discovery resource, and the MAC layer processing module 1004 is configured to receive the first indication and process the data to the physical layer.
- the module 1002 sends the first indication.
- the upper layer processing module 1001 of the RRC layer is specifically configured to send the receiving indication to the RRC layer processing module 1003.
- the RRC layer processing module 1003 is further configured to acquire configuration information of the D2D discovery resource before the upper layer processing module 1001 of the RRC layer sends the first indication to the physical layer processing module 1002. Further, the RRC layer processing module 1003 is configured to: obtain configuration information of the D2D discovery resource by using a system broadcast message; or obtain configuration information of the D2D discovery resource by using a dedicated RRC message; or Obtaining configuration information of the D2D discovery resource.
- the D2D communication device of this embodiment can be used to implement the technical solution of the method embodiment shown in FIG. 6.
- the implementation principle and technical effects are similar, and details are not described herein again.
- the D2D communication device of this embodiment may further include: an RRC layer processing module 1003, configured to receive an upper layer processing module 1001 of the RRC layer, based on the D2D communication device structure shown in FIG. After receiving the received indication, the MAC layer processing module 1004 sends a first indication, where the first indication includes the receiving indication and configuration information of the D2D discovery resource, and the MAC layer processing module 1004 is configured to receive the first indication. And sending, by the physical layer processing module 1002, the first indication; the upper layer processing module 1001 of the RRC layer is specifically configured to send the receiving indication to the RRC layer processing module 1003.
- the RRC layer processing module 1003 is further configured to obtain configuration information of the D2D discovery resource before the upper layer processing module 1001 of the RRC layer sends the first indication to the physical layer processing module 1002. Further, the RRC layer processing module 1003 is configured to: obtain configuration information of the D2D discovery resource by using a system broadcast message; or obtain configuration information of the D2D discovery resource by using a dedicated RRC message; or Obtaining configuration information of the D2D discovery resource.
- the D2D communication device of this embodiment can be used to implement the technical solution of the method embodiment shown in FIG. 7.
- the implementation principle and technical effects are similar, and details are not described herein again.
- the D2D communication device of this embodiment may further include: a MAC layer processing module 1004, configured to receive an upper layer processing module 1001 of the RRC layer, on the basis of the D2D communication device structure shown in FIG. After the first indication is sent, the first indication is sent to the physical layer processing module 1002, where the first indication is a receiving indication.
- the upper layer processing module 1001 of the RRC layer is specifically configured to send the first layer to the MAC layer processing module 1004.
- the layer processing module 1002 is specifically configured to receive the first indication, and switch from the D2D sleep state to the D2D listening state according to the receiving indication to monitor the D2D discovery information.
- the D2D communication device in this embodiment may further include: an RRC layer processing module 1003, configured to: before the upper layer processing module 1001 of the RRC layer sends the first indication to the physical layer processing module 1002, to the physical layer processing module 1002. Send resource indications;
- the resource indication includes: configuration information of the D2D discovery resource, where the resource indication is used to instruct the physical layer processing module 1002 to listen to the D2D discovery information on the D2D discovery resource corresponding to the configuration information of the D2D discovery resource.
- the RRC layer processing module 1003 is specifically configured to: send a resource indication message to the physical layer processing module 1002 through the MAC layer; or directly send a resource indication message to the physical layer processing module 1002.
- the RRC layer processing module 1003 is further configured to obtain configuration information of the D2D discovery resource before the upper layer processing module 1001 of the RRC layer sends the first indication to the physical layer processing module 1002.
- the RRC layer processing module 1003 is configured to: obtain configuration information of the D2D discovery resource by using a system broadcast message; or obtain configuration information of the D2D discovery resource by using a dedicated RRC message; or Obtaining configuration information of the D2D discovery resource.
- the D2D communication device of this embodiment can be used to implement the technical solution of the method embodiment shown in FIG. 8.
- the implementation principle and technical effects are similar, and details are not described herein again.
- the upper layer processing module 1001 of the RRC layer is further configured to send a second indication to the physical layer processing module 1002, where the second indication is used to indicate the physical
- the layer is switched from the D2D listening state to the D2D sleep state.
- the physical layer processing module 1002 is further configured to receive the second indication, and switch from the D2D listening state to the D2D sleep state according to the second indication to stop listening to the D2D discovery information.
- the D2D communication device of this embodiment can be used to implement the technical solution of the method embodiment shown in FIG. 9.
- the implementation principle and technical effects are similar, and details are not described herein again.
- the upper layer processing module 1001 is configured to send a second indication to the physical layer processing module by using the RRC layer, or send a second indication to the physical layer processing module by using the RRC layer and the MAC layer; or The MAC layer sends a second indication to the physical layer processing module.
- the D2D communication device of this embodiment can be used to implement the technical solution of the method embodiment 11.
- the implementation principle and technical effects are similar, and details are not described herein again.
- the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed.
- the foregoing steps include the steps of the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
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Abstract
本发明实施例提供一种D2D发现信息的接收方法和装置。一种D2D发现信息的接收方法,包括:D2D通信设备的无线资源控制RRC层的上层向所述D2D通信设备的物理层发送第一指示,所述第一指示用于指示物理层从D2D休眠状态切换到D2D监听状态;所述D2D通信设备的物理层接收所述第一指示,根据所述第一指示从D2D休眠状态切换到D2D监听状态,以监听D2D发现信息。本发明实施例可以通过D2D通信设备的RRC层的上层向所述D2D通信设备的物理层发送第一指示,D2D通信设备的物理层接收第一指示,根据第一指示从D2D休眠状态切换到D2D监听状态,以监听D2D发现信息,減少了D2D通信设备的耗电量,提高了D2D通信设备的待机时间。
Description
D2D发现信息的接收方法和装置 技术领域
本发明涉及通信技术,尤其涉及一种 D2D发现信息的接收方法和装置。 背景技术
设备到设备(D2D , Device-to-Device )通信是一种允许设备之间直接进 行通信的新型技术, D2D通信能够提高蜂窝通信系统频谱效率,降低设备发 射功率,实现近距离设备之间的通信。
在 D2D通信的整个流程中,设备发现是进行 D2D通信的开始和必要前 提。 现有技术中,通信设备在 D2D发现资源上进行监听,以接收并处理其他 D2D通信设备所发送的 D2D发现信息,该发现信息包括导频信号和设备信 息。 当第一通信设备接收到第二通信设备发送的 D2D发现信息时,将导频信 号与本地导频序列进行时域相关,获取第二通信设备发现信号到达第一通信 设备的时间,并解析发现信息获取第二用户设备的设备信息,实现第一通信 设备对第二通信设备的设备发现。
但是,现有技术中进行 D2D通信的设备耗电量高。 发明内容 本发明实施例提供一种 D2D发现信息的接收方法和装置。
本发明实施例提供一种 D2D发现信息的接收方法,包括:
D2D通信设备的无线资源控制 RRC层的上层向所述 D2D通信设备的 物理层发送第一指示,所述第一指示用于指示物理层从 D2D 休眠状态切 换到 D2D监听状态;
所述 D2D 通信设备的物理层接收所述第一指示,根据所述第一指示 从 D2D休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。
本发明实施例提供一种 D2D通信设备,包括:
RRC层的上层处理模块,用于向物理层处理模块发送第一指示,所述 第一指示用于指示物理层从 D2D休眠状态切换到 D2D监听状态;
物理层处理模块,用于接收所述第一指示,根据所述第一指示从 D2D 休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。
本发明实施例提供一种 D2D发现信息的接收方法和装置,通过 D2D通 信设备的 RRC层的上层向所述 D2D通信设备的物理层发送第一指示,所 述第一指示用于指示物理层从 D2D休眠状态切换到 D2D监听状态, D2D 通信设备的物理层接收所述第一指示,根据所述第一指示从 D2D 休眠状 态切换到 D2D监听状态,以监听 D2D发现信息,使得 D2D通信设备当需 要进行 D2D通信时才处于 D2D监听状态,減少了 D2D通信设备的耗电量, 提高了 D2D通信设备的待机时间。 附图说明
图 1为本发明 D2D发现信息的接收方法实施例一的流程图;
图 2为本发明 D2D发现信息的接收方法实施例三的流程图;
图 3为本发明 D2D发现信息的接收方法实施例四的流程图;
图 4为本发明 D2D发现信息的接收方法实施例五的流程图;
图 5为本发明 D2D发现信息的接收方法实施例六的流程图;
图 6为本发明 D2D发现信息的接收方法实施例七的流程图;
图 7为本发明 D2D发现信息的接收方法实施例八的流程图;
图 8为本发明 D2D发现信息的接收方法实施例九的流程图;
图 9为本发明 D2D发现信息的接收方法实施例十的流程图;
图 10为本发明 D2D通信设备实施例一的结构示意图;
图 11为本发明 D2D通信设备实施例三的结构示意图;
图 12为本发明 D2D通信设备实施例六的结构示意图。 具体实施方式 为使本发明实施例的目的、 技术方案和优点更加清楚,下面将结合本 发明实施例中的附图,对本发明实施例中的技术方案进行清楚、 完整地描 述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。 基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提 下所获得的所有其他实施例,都属于本发明保护的范围。
图 1 为本发明 D2D发现信息的接收方法实施例一的流程图,如图 1 所示,本实施例的方法可以包括:
步骤 101、 D2D 通信设备的无线资源控制(RRC , Radio Resource Control )层的上层向所述 D2D通信设备的物理层发送第一指示,所述第 一指示用于指示物理层从 D2D休眠状态切换到 D2D监听状态;
可选的, RRC层的上层可以为应用程序、 或操作系统、 或应用代理、 或非接入层 ( NAS , Non-access-stratum )。
步骤 102、 所述 D2D通信设备的物理层接收所述第一指示,根据所述 第一指示从 D2D休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。
具体的,所述 D2D通信设备的物理层接收到所述第一指示后,从 D2D 休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。
其中, D2D休眠状态是指 D2D通信设备的物理层不监听来自物理信 道的 D2D发现信息。 D2D监听状态是指 D2D通信设备的物理层监听来自 物理信道的 D2D发现信息。
现有技术中 , D2D通信设备在 D2D发现资源上进行监听, 以接收并 处理其他 D2D通信设备所发送的 D2D发现信息;本发明中 , D2D通信设 备的 RRC层的上层向所述 D2D通信设备的物理层发送第一指示, D2D通 信设备的物理层接收第一指示,根据第一指示从 D2D休眠状态切换到 D2D 监听状态, 以监听所述 D2D发现信息。
现有技术中 ,由于 D2D通信设备一直处于 D2D监听状态,当 D2D通 信设备不需要进行 D2D通信,也需要对其他 D2D设备发送的发现信息进 行接收并处理,导致 D2D通信设备的耗电量高;通过本发明中 , D2D通 信设备的 RRC层的上层向所述 D2D通信设备的物理层发送第一指示 通信设备的物理层接收所述第一指示,根据所述第一指示从 D2D 休眠状 态切换到 D2D监听状态,以监听所述 D2D发现信息,使得 D2D通信设备 当需要进行 D2D通信时才处于 D2D监听状态,減少了 D2D通信设备的耗 电量,提高了 D2D通信设备的待机时间。
本实施例,通过 D2D通信设备的 RRC层的上层向所述 D2D通信设备 的物理层发送第一指示,D2D通信设备的物理层接收所述第一指示,根据 所述第一指示从 D2D休眠状态切换到 D2D监听状态,以监听 D2D发现信
息,使得 D2D通信设备当需要进行 D2D通信时才处于 D2D监听状态,減 少了 D2D通信设备的耗电量,提高了 D2D通信设备的待机时间。
D2D发现信息的接收方法实施例二
在如图 1所示的 D2D发现信息的接收方法实施例一的基础上,步骤 101 可以包括: D2D通信设备的 RRC层的上层通过所述 RRC层向物理层发送 第一指示;或者, D2D通信设备的 RRC层的上层通过所述 RRC层和介质 访问控制( MAC , Medium Access Control )层向物理层发送第一指示;或 者, D2D通信设备的 RRC层的上层通过 MAC层向物理层发送第一指示。
现有技术中,蜂窝通信系统为了降低蜂窝通信设备的耗电量,采用了非 连续接收( DRX , Discontinuous Reception )技术,即蜂窝通信设备仅在预定 时间进行蜂窝通信系统消息的接收,如果将此技术直接应用在 D2D通信设备 上,则会存在当 D2D通信设备需要进行 D2D通信时, D2D发现信息接收不 及时的问题;而本发明中,通过 D2D通信设备的 RRC层的上层向所述 D2D 通信设备的物理层发送第一指示,所述物理层接收到第一指示后,从 D2D 休眠状态切换到 D2D监听状态,以监听 D2D发现信息,使得 D2D通信设 备当需要进行 D2D通信时从 D2D休眠状态切换到 D2D监听状态,不但減 少了 D2D通信设备的耗电量,提高了 D2D通信设备的待机时间 ,而且也 能够对实现 D2D发现信息的及时接收。
本实施例,通过 D2D通信设备的 RRC层的上层向所述 D2D通信设备 的物理层发送第一指示,所述物理层接收到第一指示后,从 D2D休眠状态 切换到 D2D监听状态,以监听 D2D发现信息,使得 D2D通信设备当需要 进行 D2D通信时从 D2D休眠状态切换到 D2D监听状态,不但減少了 D2D 通信设备的耗电量,提高了 D2D 通信设备的待机时间,而且也能够实现 对 D2D发现信息的及时接收。
图 2为本发明 D2D发现信息的接收方法实施例三的流程图,如图 2 所示,本实施例的方法可以包括:
步骤 201、 D2D通信设备的 RRC层的上层向所述 RRC层发送第一指 示;
步骤 202、所述 D2D通信设备的 RRC层向所述 D2D通信设备的物理 层发送所述第一指示,所述第一指示为接收指示;
步骤 203、 所述 D2D通信设备的物理层接收所述第一指示,根据所述 第一指示从 D2D休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。
具体的,所述 D2D通信设备的物理层接收到所述接收指示后,从 D2D 休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。
本实施例,通过 D2D通信设备的 RRC层的上层向所述 RRC层发送 接收指示,所述 RRC层接收到所述接收指示后,向所述 D2D通信设备的 物理层发送所述接收指示,所述物理层接收到所述接收指示后,从 D2D 休眠状态切换到 D2D监听状态,以监听 D2D发现信息,使得 D2D通信设 备当需要进行 D2D通信时才处于 D2D监听状态,減少了 D2D通信设备的 耗电量,提高了 D2D通信设备的待机时间。
可选的,在步骤 201之前,还可以包括: D2D通信设备的 RRC层向 物理层发送资源指示,所述资源指示包括: D2D发现资源的配置信息,资 源指示用于指示 D2D通信设备的物理层在所述 D2D发现资源的配置信息 对应的 D2D发现资源上监听 D2D发现信息。
其中, D2D 发现资源的配置信息可以包括: D2D 发现资源的时域信 息和频域信息;或者, D2D 发现资源的配置信息可以包括: D2D 发现资 源的频域信息。
可选的,D2D通信设备的 RRC层向物理层发送资源指示,包括: D2D 通信设备的 RRC层通过 MAC层向物理层发送资源指示消息;或者, D2D 通信设备的 RRC层直接向物理层发送资源指示消息。
可选的,D2D通信设备 RRC层的上层向所述 D2D通信设备的物理层 发送第一指示之前,还可以包括: D2D通信设备的 RRC层获取所述 D2D 发现资源的配置信息。
例如,本实施例中可以为 D2D通信设备的 RRC层向物理层发送资源 指示消息之前,D2D通信设备的 RRC层获取所述 D2D发现资源的配置信
/害、。
可选的 通信设备的 RRC层获取所述 D2D发现资源的配置信息, 包括: D2D通信设备的 RRC层通过系统广播消息获取所述 D2D发现资源 的配置信息;或者, D2D通信设备的 RRC层通过专用 RRC消息获取所述 D2D发现资源的配置信息;或者, D2D通信设备的 RRC层通过协议约定
获取所述 D2D发现资源的配置信息。
可选的, D2D发现资源的配置信息,包括:小区标识及小区标识所对 应的所述 D2D发现资源的配置信息。
进一步可选的,D2D通信设备的物理层接收所述接收指示后,从 D2D 休眠状态切换到 D2D监听状态, 以在 D2D发现资源的配置信息中各小区 标识对应的 D2D发现资源的配置信息所指示的 D2D发现资源上监听 D2D 发现信息,从而使得 D2D 通信设备不仅可以接收属于相同服务小区的其 他 D2D通信设备发送的 D2D发现信息,也可以接收来自相邻小区的其他 D2D通信设备发送的 D2D发现信息。
可选的,步骤 201包括:所述 D2D通信设备的 RRC层的上层向所述
RRC层发送所述接收指示以及小区标识;进一步的,所述 D2D通信设备 的 RRC 层向所述 D2D 通信设备的物理层发送所述接收指示以及小区标 识;进一步的,物理层接收到所述接收指示以及所述小区标识后,从 D2D 休眠状态切换到 D2D监听状态, 以在所述小区标识对应的 D2D发现资源 的配置信息所指示的 D2D发现资源上监听 D2D发现信息,从而使得 D2D 通信设备能够根据 RRC 层的上层的指示在特定小区上监听 D2D 发现信
/害、。
图 3 为本发明 D2D发现信息的接收方法实施例四的流程图,如图 3 所示,本实施例的方法可以包括:
步骤 301、 D2D通信设备的 RRC层的上层向所述 RRC层发送接收指 示;
步骤 302、 所述 D2D通信设备的 RRC层接收到所述接收指示后,向 所述 D2D通信设备的物理层发送第一指示,所述第一指示为 D2D发现资 源的配置信息;
可选的,所述 D2D通信设备的 RRC层接收到所述接收指示后,将接 收指示替换为 D2D发现资源的配置信息作为第一指示,并发送至所述 D2D 通信设备的物理层;或者,所述 D2D通信设备的 RRC层接收到所述接收 指示后,生成包括 D2D 发现资源的配置信息的新消息作为第一指示,并 发送至所述 D2D通信设备的物理层。
步骤 303、 所述 D2D通信设备的物理层接收所述第一指示,根据所述
第一指示从 D2D休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。 具体的,所述 D2D通信设备的物理层接收所述 D2D发现资源的配置 信息后,所述物理层在 D2D发现资源的配置信息所指示的 D2D发现资源 上从 D2D休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。
本实施例,通过 D2D通信设备的 RRC层的上层向所述 RRC层发送 接收指示,所述 RRC层接收到所述接收指示后,向所述 D2D通信设备的 物理层发送第一指示,所述第一指示为 D2D 发现资源的配置信息,所述 物理层接收到所述第一指示后,在该 D2D 发现资源的配置信息所指示的 D2D发现资源上从 D2D休眠状态切换到 D2D监听状态, 以在 D2D发现 资源的配置信息指示的 D2D发现资源上监听 D2D发现信息,使得 D2D通 信设备当需要进行 D2D通信时才处于 D2D监听状态,減少了 D2D通信设 备的耗电量,提高了 D2D通信设备的待机时间。
可选的,D2D通信设备 RRC层的上层向所述 D2D通信设备的物理层 发送第一指示之前,还可以包括: D2D通信设备的 RRC层获取所述 D2D 发现资源的配置信息。
例如,本实施例中可以为步骤 301之前, D2D通信设备的 RRC层获 取所述 D2D发现资源的配置信息;或者,可以为步骤 302之前,D2D通信 设备的 RRC层获取 D2D发现资源的配置信息。
其中,D2D通信设备的 RRC层获取 D2D发现资源的配置信息的方法 同 D2D发现信息的接收方法实施例三中所述,在此不再赘述。
可选的, D2D发现资源的配置信息,包括:小区标识及小区标识所对 应的所述 D2D发现资源的配置信息。
进一步可选的,D2D通信设备的物理层接收所述第一指示后,从 D2D 休眠状态切换到 D2D监听状态, 以在 D2D发现资源的配置信息中各小区 标识对应的 D2D发现资源的配置信息所指示的 D2D发现资源上监听 D2D 发现信息,从而使得 D2D 通信设备不仅可以接收属于相同服务小区的其 他 D2D通信设备发送的 D2D发现信息,也可以接收来自相邻小区的其他 D2D通信设备发送的 D2D发现信息。
图 4为本发明 D2D发现信息的接收方法实施例五的流程图,如图 4 所示,本实施例的方法可以包括:
步骤 401、 D2D通信设备的 RRC层的上层向所述 RRC层发送接收指 示;
步骤 402、 所述 D2D通信设备的 RRC层接收到所述接收指示后,向 所述 D2D 通信设备的物理层发送第一指示,所述第一指示包括所述接收 指示以及 D2D发现资源的配置信息;
步骤 403、 所述 D2D通信设备的物理层接收所述第一指示,根据所述 第一指示从 D2D休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。
具体的,所述 D2D通信设备的物理层接收所述接收指示以及 D2D发 现资源的配置信息,所述物理层在 D2D发现资源的配置信息所指示的 D2D 发现资源上从 D2D休眠状态切换到 D2D监听状态,以监听 D2D发现信息。
本实施例,通过 D2D通信设备的 RRC层的上层向所述 RRC层发送 接收指示,所述 RRC层接收到所述接收指示后,向所述 D2D通信设备的 物理层发送第一指示,所述第一指示包括所述接收指示以及 D2D 发现资 源的配置信息,所述物理层接收到所述第一指示后,在该 D2D 发现资源 的配置信息所指示的 D2D发现资源上从 D2D休眠状态切换到 D2D监听状 态,以在 D2D发现资源的配置信息指示的 D2D发现资源上监听 D2D发现 信息,使得 D2D通信设备当需要进行 D2D通信时才处于 D2D监听状态, 減少了 D2D通信设备的耗电量,提高了 D2D通信设备的待机时间。
可选的,D2D通信设备 RRC层的上层向所述 D2D通信设备的物理层 发送第一指示之前,还可以包括: D2D通信设备的 RRC层获取所述 D2D 发现资源的配置信息。
例如,本实施例中可以为步骤 401之前, D2D通信设备的 RRC层获 取所述 D2D发现资源的配置信息;或者,可以为步骤 402之前, D2D通信 设备的 RRC层获取 D2D发现资源的配置信息。
其中,D2D通信设备的 RRC层获取 D2D发现资源的配置信息的方法 同 D2D发现信息的接收方法实施例三中所述,在此不再赘述。
可选的, D2D发现资源的配置信息,包括:小区标识及小区标识所对 应的所述 D2D发现资源的配置信息。
进一步可选的,D2D通信设备的物理层接收所述第一指示后,从 D2D 休眠状态切换到 D2D监听状态, 以在 D2D发现资源的配置信息中各小区
标识对应的 D2D发现资源的配置信息所指示的 D2D发现资源上监听 D2D 发现信息,从而使得 D2D 通信设备不仅可以接收属于相同服务小区的其 他 D2D通信设备发送的 D2D发现信息,也可以接收来自相邻小区的其他 D2D通信设备发送的 D2D发现信息。
图 5 为本发明 D2D发现信息的接收方法实施例六的流程图,如图 5 所示,本实施例的方法可以包括:
步骤 501、 D2D通信设备的 RRC层的上层向所述 RRC层发送第一指 示;
步骤 502、所述 D2D通信设备的 RRC层向所述 D2D通信设备的 MAC 层发送所述第一指示;
步骤 503、 所述 D2D通信设备的 MAC层向所述 D2D通信设备的物 理层发送所述第一指示,所述第一指示为接收指示;
步骤 504、 所述 D2D通信设备的物理层接收所述第一指示,根据所述 第一指示从 D2D休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。
具体的,所述 D2D通信设备的物理层接收到所述接收指示后,从 D2D 休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。
本实施例,通过 D2D通信设备的 RRC层的上层向所述 RRC层发送 接收指示,所述 RRC层接收到所述接收指示后,向所述 D2D通信设备的 MAC层发送所述接收指示,所述 MAC层接收到所述接收指示后,向所述 通信设备的物理层发送所述接收指示,所述物理层接收到所述接收指示 后,从 D2D休眠状态切换到 D2D监听状态,以监听 D2D发现信息,使得 D2D通信设备当需要进行 D2D通信时才处于 D2D监听状态,減少了 D2D 通信设备的耗电量,提高了 D2D通信设备的待机时间。
可选的,在步骤 501之前,还可以包括: D2D通信设备的 RRC层向 物理层发送资源指示,所述资源指示包括: D2D发现资源的配置信息,资 源指示用于指示 D2D通信设备的物理层在所述 D2D发现资源的配置信息 对应的 D2D发现资源上监听 D2D发现信息。
其中, D2D通信设备的 RRC层向物理层发送资源指示的方法同 D2D 发现信息的接收方法实施例三中所述,在此不再赘述。
可选的,D2D通信设备 RRC层的上层向所述 D2D通信设备的物理层
发送第一指示之前,还可以包括: D2D通信设备的 RRC层获取所述 D2D 发现资源的配置信息。
例如,本实施例中可以为 D2D通信设备的 RRC层向物理层发送资源 指示消息之前,D2D通信设备的 RRC层获取所述 D2D发现资源的配置信 /害、o
其中,D2D通信设备的 RRC层获取 D2D发现资源的配置信息的方法 同 D2D发现信息的接收方法实施例三中所述,在此不再赘述。
可选的, D2D发现资源的配置信息,包括:小区标识及小区标识所对 应的所述 D2D发现资源的配置信息。
进一步可选的,D2D通信设备的物理层接收所述接收指示后,从 D2D 休眠状态切换到 D2D监听状态, 以在 D2D发现资源的配置信息中各小区 标识对应的 D2D发现资源的配置信息所指示的 D2D发现资源上监听 D2D 发现信息,从而使得 D2D 通信设备不仅可以接收属于相同服务小区的其 他 D2D通信设备发送的 D2D发现信息,也可以接收来自相邻小区的其他 D2D通信设备发送的 D2D发现信息。
可选的,步骤 501包括: D2D通信设备的 RRC层的上层向所述 RRC 层发送接收指示以及小区标识;进一步的,所述 D2D通信设备的 RRC层 向所述 D2D通信设备的 MAC层发送所述接收指示以及所述小区标识;进 一步的,所述 D2D通信设备的 MAC层向所述 D2D通信设备的物理层发 送所述接收指示以及所述小区标识;进一步的,物理层接收到所述接收指 示以及所述小区标识后,从 D2D休眠状态切换到 D2D监听状态, 以在所 述小区标识对应的 D2D发现资源的配置信息所指示的 D2D发现资源上监 听 D2D发现信息,从而使得 D2D通信设备能够根据 RRC层的上层的指示 在特定小区上监听 D2D发现信息。
图 6为本发明 D2D发现信息的接收方法实施例七的流程图,如图 6 所示,本实施例的方法可以包括:
步骤 601、 D2D通信设备的 RRC层的上层向所述 RRC层发送接收指 示;
步骤 602、 所述 D2D通信设备的 RRC层接收到所述接收指示后,向 所述通信设备的 MAC层发送第一指示,所述第一指示为 D2D发现资源的
配置信息;
可选的,所述 D2D通信设备的 RRC层接收到所述接收指示后,将接 收指示替换为 D2D发现资源的配置信息作为第一指示,并发送至所述 D2D 通信设备的物理层;或者,所述 D2D通信设备的 RRC层接收到所述接收 指示后,生成包括 D2D 发现资源的配置信息的新消息作为第一指示,并 发送至所述 D2D通信设备的物理层。
步骤 603、 所述 D2D通信设备的 MAC层向所述 D2D通信设备的物 理层发送所述第一指示;
步骤 604、 所述 D2D通信设备的物理层接收所述第一指示,根据所述 第一指示从 D2D休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。
具体的,所述 D2D通信设备的物理层接收所述 D2D发现资源的配置 信息,所述物理层在该 D2D发现资源的配置信息所指示的 D2D发现资源 上从 D2D休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。
本实施例,通过 D2D通信设备的 RRC层的上层向所述 RRC层发送 接收指示,所述 RRC层接收到所述接收指示后,向所述 D2D通信设备的 MAC层发送第一指示,所述第一指示为 D2D发现资源的配置信息,所述 MAC 层接收到所述第一指示后, 向所述通信设备的物理层发送所述第一 指示,所述物理层接收到所述第一指示后,在该 D2D 发现资源的配置信 息所指示的 D2D发现资源上从 D2D休眠状态切换到 D2D监听状态,以在 D2D发现资源的配置信息指示的 D2D发现资源上监听 D2D发现信息,使 得 D2D通信设备当需要进行 D2D通信时才处于 D2D监听状态,減少了 D2D通信设备的耗电量,提高了 D2D通信设备的待机时间。
可选的,D2D通信设备 RRC层的上层向所述 D2D通信设备的物理层 发送第一指示之前,还可以包括: D2D通信设备的 RRC层获取所述 D2D 发现资源的配置信息。
例如,本实施例中可以为步骤 601之前, D2D通信设备的 RRC层获 取所述 D2D发现资源的配置信息;或者,可以为步骤 602之前,D2D通信 设备的 RRC层获取 D2D发现资源的配置信息。
其中,D2D通信设备的 RRC层获取 D2D发现资源的配置信息的方法 同 D2D发现信息的接收方法实施例三中所述,在此不再赘述。
可选的, D2D发现资源的配置信息,包括:小区标识及小区标识所对 应的所述 D2D发现资源的配置信息。
进一步可选的,D2D通信设备的物理层接收所述第一指示后,从 D2D 休眠状态切换到 D2D监听状态, 以在 D2D发现资源的配置信息中各小区 标识对应的 D2D发现资源的配置信息所指示的 D2D发现资源上监听 D2D 发现信息,从而使得 D2D 通信设备不仅可以接收属于相同服务小区的其 他 D2D通信设备发送的 D2D发现信息,也可以接收来自相邻小区的其他 D2D通信设备发送的 D2D发现信息。
图 7为本发明 D2D发现信息的接收方法实施例八的流程图,如图 7 所示,本实施例的方法可以包括:
步骤 701、 D2D通信设备的 RRC层的上层向所述 RRC层发送接收指 示;
步骤 702、 所述 D2D通信设备的 RRC层接收到所述接收指示后,向 所述 D2D通信设备的 MAC层发送第一指示,所述第一指示包括所述接收 指示以及 D2D发现资源的配置信息;
步骤 703、 所述 D2D通信设备的 MAC层向所述 D2D通信设备的物 理层发送所述第一指示;
步骤 704、 所述 D2D通信设备的物理层接收所述第一指示,根据所述 第一指示从 D2D休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。
具体的,所述 D2D通信设备的物理层接收所述接收指示以及 D2D发 现资源的配置信息,所述物理层在该 D2D 发现资源的配置信息所指示的 D2D发现资源上从 D2D休眠状态切换到 D2D监听状态, 以监听 D2D发 ί见 in磨、 o
本实施例,通过 D2D通信设备的 RRC层的上层向所述 RRC层发送 接收指示,所述 RRC层接收到所述接收指示后,向所述 D2D通信设备的 MAC层发送所述第一指示,所述第一指示包括接收指示以及 D2D发现资 源的配置信息,所述 MAC层接收到所述第一指示后,向所述 D2D通信设 备的物理层发送所述第一指示,所述物理层接收到所述第一指示后,在该 D2D发现资源的配置信息所指示的 D2D发现资源上从 D2D休眠状态切换 到 D2D监听状态,以在 D2D发现资源的配置信息所指示的 D2D发现资源
上监听 D2D发现信息,使得 D2D通信设备当需要进行 D2D通信时才处于 D2D监听状态,減少了 D2D通信设备的耗电量,提高了 D2D通信设备的 待机时间。
可选的,D2D通信设备 RRC层的上层向所述 D2D通信设备的物理层 发送第一指示之前,还可以包括: D2D通信设备的 RRC层获取所述 D2D 发现资源的配置信息。
例如,本实施例中可以为步骤 701之前, D2D通信设备的 RRC层获 取所述 D2D发现资源的配置信息;或者,可以为步骤 702之前, D2D通信 设备的 RRC层获取 D2D发现资源的配置信息。
其中,D2D通信设备的 RRC层获取 D2D发现资源的配置信息的方法 同 D2D发现信息的接收方法实施例三中所述,在此不再赘述。
可选的, D2D发现资源的配置信息,包括:小区标识及小区标识所对 应的所述 D2D发现资源的配置信息。
进一步可选的,D2D通信设备的物理层接收所述第一指示后,从 D2D 休眠状态切换到 D2D监听状态, 以在 D2D发现资源的配置信息中各小区 标识对应的 D2D发现资源的配置信息所指示的 D2D发现资源上监听 D2D 发现信息,从而使得 D2D 通信设备不仅可以接收属于相同服务小区的其 他 D2D通信设备发送的 D2D发现信息,也可以接收来自相邻小区的其他 D2D通信设备发送的 D2D发现信息。
图 8为本发明 D2D发现信息的接收方法实施例九的流程图,如图 8 所示,本实施例的方法可以包括:
步骤 801、 D2D通信设备的 RRC层的上层向所述通信设备的 MAC层 发送第一指示;
步骤 802、 所述 D2D通信设备的 MAC层向所述 D2D通信设备的物 理层发送所述第一指示,所述第一指示为接收指示;
步骤 803、 所述 D2D通信设备的物理层接收所述第一指示,根据所述 第一指示从 D2D休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。
具体的,所述 D2D通信设备的物理层接收到所述接收指示后,从 D2D 休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。
本实施例,通过 D2D通信设备的 RRC层的上层向所述 D2D设备的
MAC层发送接收指示,所述 MAC层接收到所述接收指示后,向所述 D2D 通信设备的物理层发送所述接收指示,所述物理层接收到所述接收指示 后,从 D2D休眠状态切换到 D2D监听状态,以监听 D2D发现信息,使得 D2D通信设备当需要进行 D2D通信时才处于 D2D监听状态,減少了 D2D 通信设备的耗电量,提高了 D2D通信设备的待机时间。
可选的,在步骤 801之前,还可以包括: D2D通信设备的 RRC层向 物理层发送资源指示,所述资源指示包括: D2D发现资源的配置信息,资 源指示用于指示 D2D通信设备的物理层在所述 D2D发现资源的配置信息 对应的 D2D发现资源上接收 D2D发现信息。
可选的, D2D通信设备的 RRC层向物理层发送资源指示消息,包括:
D2D通信设备的 RRC层通过 MAC层向物理层发送资源指示消息;或者, D2D通信设备的 RRC层直接向物理层发送资源指示消息。
其中, D2D通信设备的 RRC层向物理层发送资源指示的方法同 D2D 发现信息的接收方法实施例三中所述,在此不再赘述。
可选的,D2D通信设备 RRC层的上层向所述 D2D通信设备的物理层 发送第一指示之前,还可以包括: D2D通信设备的 RRC层获取所述 D2D 发现资源的配置信息。
例如,本实施例中可以为 D2D通信设备的 RRC层向物理层发送资源 指示消息之前,D2D通信设备的 RRC层获取所述 D2D发现资源的配置信 /害、 o
其中,D2D通信设备的 RRC层获取 D2D发现资源的配置信息的方法 同 D2D发现信息的接收方法实施例三中所述,在此不再赘述。
可选的, D2D发现资源的配置信息,包括:小区标识及小区标识所对 应的所述 D2D发现资源的配置信息。
进一步可选的,D2D通信设备的物理层接收所述接收指示后,从 D2D 休眠状态切换到 D2D监听状态, 以在 D2D发现资源的配置信息中各小区 标识对应的 D2D发现资源的配置信息所指示的 D2D发现资源上监听 D2D 发现信息,从而使得 D2D 通信设备不仅可以接收属于相同服务小区的其 他 D2D通信设备发送的 D2D发现信息,也可以接收来自相邻小区的其他 D2D通信设备发送的 D2D发现信息。
可选的,步骤 801包括:所述 D2D通信设备的 RRC层的上层向所述 D2D通信设备的 MAC层发送所述接收指示以及小区标识;进一步的,所 述 D2D通信设备的 MAC层向所述 D2D通信设备的物理层发送所述接收 指示以及小区标识;进一步的,物理层接收到所述接收指示以及所述小区 标识后,从 D2D休眠状态切换到 D2D监听状态, 以在所述小区标识对应 的 D2D发现资源的配置信息所指示的 D2D发现资源上监听 D2D发现信 息,从而使得 D2D通信设备能够根据 RRC层的上层的指示在特定小区上 监听 D2D发现信息。
图 9为本发明 D2D发现信息的接收方法实施例十的流程图,如图 9 所示,本实施例的方法可以包括:
步骤 901、 D2D通信设备的 RRC层的上层向所述 D2D通信设备的物 理层发送第二指示,所述第二指示用于指示物理层从 D2D 监听状态切换 到 D2D休眠状态;
步骤 902、 所述 D2D通信设备的物理层接收所述第二指示,根据所述 第二指示从 D2D监听状态切换到 D2D休眠状态,以停止监听 D2D发现信
/害、。
现有技术中 , D2D通信设备在 D2D发现资源上进行监听, 以接收并 处理其他 D2D通信设备所发送的 D2D发现信息;本发明中 , D2D通信设 备的 RRC层的上层向所述 D2D通信设备的物理层发送第二指示, D2D通 信设备的物理层接收第二指示,根据第二指示从 D2D监听状态切换到 D2D 休眠状态, 以停止监听所述 D2D发现信息。
现有技术中 ,由于 D2D通信设备一直处于 D2D监听状态,当 D2D通 信设备不需要进行 D2D通信,也需要对其他 D2D设备发送的发现信息进 行接收并处理,导致 D2D通信设备的耗电量高;通过本发明中 , D2D通 信设备的 RRC层的上层向所述 D2D通信设备的物理层发送第二指示 通信设备的物理层接收第二指示,根据第二指示从 D2D 监听状态切换到 D2D休眠状态,以停止监听所述 D2D发现信息,使得 D2D通信设备不需 要进行 D2D通信时,能够处于 D2D休眠状态,減少了 D2D通信设备的耗 电量,提高了 D2D通信设备的待机时间。
本发明中 ,通过 D2D通信设备的 RRC层的上层向所述 D2D通信设备
的物理层发送第二指示,D2D通信设备的物理层接收第二指示,根据第二 指示从 D2D监听状态切换到 D2D休眠状态,以停止监听所述 D2D发现信 息,使得 D2D通信设备不需要进行 D2D通信时,能够处于 D2D休眠状态, 減少了 D2D通信设备的耗电量,提高了 D2D通信设备的待机时间。
D2D发现信息的接收方法实施例十一
在如图 9所示的 D2D发现信息的接收方法实施例十的基础上,步骤 901 可以包括:所述 D2D通信设备的 RRC层的上层通过所述 RRC层向物理层 发送第二指示;或者, D2D通信设备的 RRC层的上层通过所述 RRC层和 介质访问控制 MAC层向物理层发送第二指示;或者 通信设备的 RRC 层的上层通过 MAC层向物理层发送第二指示。
本发明中 ,通过 D2D通信设备的 RRC层的上层向所述 D2D通信设备 的物理层发送第二指示,D2D通信设备的物理层接收第二指示,根据第二 指示从 D2D监听状态切换到 D2D休眠状态,以停止监听所述 D2D发现信 息,使得 D2D通信设备不需要进行 D2D通信时,能够处于 D2D休眠状态, 減少了 D2D通信设备的耗电量,提高了 D2D通信设备的待机时间。
需要说明的是: D2D发现信息的接收方法实施例十一中 RRC层的上 层向物理层发送第一指示的方式,与 D2D 发现信息的接收方法实施例二 中 RRC层的上层向物理层发送第二指示的方式之间并没有对应关系。
可选的,第二指示可以包括停止接收指示。
可选的,第二指示可以包括小区标识, 以使 D2D 通信设备的物理层 接收所述第二指示,根据所述第二指示从 D2D监听状态切换到 D2D休眠 状态, 以在所述第二指示中小区标识对应的 D2D 发现资源的配置信息所 指示的 D2D发现资源上停止监听 D2D发现信息。
图 10为本发明 D2D通信设备实施例一的结构示意图,如图 10所示, 本实施例的 D2D通信设备可以包括: RRC层的上层处理模块 1001 ,用于 向物理层处理模块 1002发送第一指示,所述第一指示用于指示物理层从 D2D休眠状态切换到 D2D监听状态;物理层处理模块 1002 ,用于接收所 述第一指示,根据所述第一指示从 D2D休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。
本实施例的 D2D通信设备,可以用于执行图 1所示方法实施例的技
术方案,其实现原理和技术效果类似,此处不再赘述。
D2D通信设备实施例二
在如图 10所示的 D2D 通信设备实施例一的基础上,进一步的, RRC 层的上层处理模块 1001 ,具体用于通过所述 RRC层向所述物理层处理模 块发送第一指示;或者,通过所述 RRC层和介质访问控制 MAC层向所述 物理层处理模块发送第一指示;或者,通过 MAC层向所述物理层处理模 块发送第一指示。
本实施例的 D2D通信设备,可以用于执行方法实施例二的技术方案, 其实现原理和技术效果类似,此处不再赘述。
图 11为本发明 D2D通信设备实施例三的结构示意图,如图 11所示, 本实施例的 D2D通信设备在图 10所示 D2D通信设备结构的基础上,进 一步地,还可以包括: RRC层处理模块 1003 ,用于接收到 RRC层的上层 处理模块 1001发送的第一指示后,向物理层处理模块 1002发送所述第一 指示,所述第一指示为接收指示; RRC层的上层处理模块 1001 ,具体用 于向 RRC层处理模块 1003发送所述第一指示。
可选的, RRC层处理模块 1003 ,还可以用于在 RRC层的上层处理模 块 1001 向物理层处理模块 1002 发送第一指示之前,向物理层处理模块 1002 发送资源指示;其中 ,所述资源指示包括: D2D 发现资源的配置信 息,资源指示用于指示物理层处理模块 1002在所述 D2D发现资源的配置 信息对应的 D2D发现资源上监听 D2D发现信息。 进一步可选的, RRC层 处理模块 1003 ,具体用于:通过 MAC层向物理层处理模块 1002发送资 源指示消息;或者,直接向物理层处理模块 1002发送资源指示消息。
可选的, RRC层处理模块 1003 ,还可以用于在 RRC层的上层处理模 块 1001向物理层处理模块 1002发送第一指示之前,获取所述 D2D发现 资源的配置信息。 进一步可选的, RRC层处理模块 1003 ,具体用于:通 过系统广播消息获取所述 D2D发现资源的配置信息;或者,通过专用 RRC 消息获取所述 D2D 发现资源的配置信息;或者,通过协议约定获取所述 D2D发现资源的配置信息。
本实施例的 D2D通信设备,可以用于执行图 2所示方法实施例的技 术方案,其实现原理和技术效果类似,此处不再赘述。
D2D通信设备实施例四
如图 11所示,本实施例的 D2D通信设备在图 10所示 D2D通信设备 结构的基础上,进一步地,还可以包括: RRC层处理模块 1003 ,用于接 收到 RRC层的上层处理模块 1001发送的接收指示后,向物理层处理模块 1002发送第一指示,所述第一指示为 D2D发现资源的配置信息; RRC层 的上层处理模块 1001 ,具体用于向 RRC层处理模块 1003发送所述接收指 示。
可选的, RRC层处理模块 1003 ,还可以用于在 RRC层的上层处理模 块 1001向物理层处理模块 1002发送第一指示之前,获取所述 D2D发现 资源的配置信息。 进一步可选的, RRC层处理模块 1003 ,具体用于:通 过系统广播消息获取所述 D2D发现资源的配置信息;或者,通过专用 RRC 消息获取所述 D2D 发现资源的配置信息;或者,通过协议约定获取所述 D2D发现资源的配置信息。
本实施例的 D2D通信设备,可以用于执行图 3所示方法实施例的技 术方案,其实现原理和技术效果类似,此处不再赘述。
D2D通信设备实施例五
如图 11所示,本实施例的 D2D通信设备在图 10所示 D2D通信设备 结构的基础上,进一步地,还可以包括: RRC层处理模块 1003 ,用于接 收到 RRC层的上层处理模块 1001发送的接收指示后,向物理层处理模块 1002发送第一指示,所述第一指示包括所述接收指示以及 D2D发现资源 的配置信息; RRC层的上层处理模块 1001 ,具体用于向 RRC层处理模块 1003发送所述接收指示。
可选的, RRC层处理模块 1003 ,还可以用于在 RRC层的上层处理模 块 1001向物理层处理模块 1002发送第一指示之前,获取所述 D2D发现 资源的配置信息。 进一步可选的, RRC层处理模块 1003 ,具体用于:通 过系统广播消息获取所述 D2D发现资源的配置信息;或者,通过专用 RRC 消息获取所述 D2D 发现资源的配置信息;或者,通过协议约定获取所述 D2D发现资源的配置信息。
本实施例的 D2D通信设备,可以用于执行图 4所示方法实施例的技 术方案,其实现原理和技术效果类似,此处不再赘述。
图 12为本发明 D2D通信设备实施例六的结构示意图,如图 12所示, 本实施例的 D2D通信设备在图 10所示 D2D通信设备结构的基础上,进 一步地,还可以包括: RRC层处理模块 1003 ,用于接收到 RRC层的上层 处理模块 1001发送的第一指示后, 向 MAC层处理模块 1004发送所述第 一指示; MAC层处理模块 1004 ,用于接收所述第一指示,并向物理层处 理模块 1002发送所述第一指示,所述第一指示为接收指示; RRC层的上 层处理模块 1001 ,具体用于向 RRC层处理模块 1003发送所述第一指示。
可选的, RRC层处理模块 1003 ,还可以用于在 RRC层的上层处理模 块 1001 向物理层处理模块 1002 发送第一指示之前,向物理层处理模块 1002 发送资源指示;其中 ,所述资源指示包括: D2D 发现资源的配置信 息,资源指示用于指示物理层处理模块 1002在所述 D2D发现资源的配置 信息对应的 D2D发现资源上监听 D2D发现信息。 进一步可选的,RRC层 处理模块 1003 ,具体用于:通过 MAC层向物理层处理模块 1002发送资 源指示消息;或者,直接向物理层处理模块 1002发送资源指示消息。
可选的, RRC层处理模块 1003 ,还可以用于在 RRC层的上层处理模 块 1001向物理层处理模块 1002发送第一指示之前,获取所述 D2D发现 资源的配置信息。 进一步可选的, RRC层处理模块 1003 ,具体用于:通 过系统广播消息获取所述 D2D发现资源的配置信息;或者,通过专用 RRC 消息获取所述 D2D 发现资源的配置信息;或者,通过协议约定获取所述 D2D发现资源的配置信息。
本实施例的 D2D通信设备,可以用于执行图 5所示方法实施例的技 术方案,其实现原理和技术效果类似,此处不再赘述。
D2D通信设备实施例七
如图 12所示,本实施例的 D2D通信设备在图 10所示 D2D通信设备 结构的基础上,进一步地,还可以包括: RRC层处理模块 1003 ,用于接 收到 RRC层的上层处理模块 1001发送的接收指示后, 向 MAC层处理模 块 1004发送第一指示,所述第一指示为 D2D发现资源的配置信息; MAC 层处理模块 1004 ,用于接收所述第一指示,并向物理层处理模块 1002发 送所述第一指示; RRC层的上层处理模块 1001 ,具体用于向 RRC层处理 模块 1003发送所述接收指示。
可选的, RRC层处理模块 1003 ,还可以用于在 RRC层的上层处理模 块 1001向物理层处理模块 1002发送第一指示之前,获取所述 D2D发现 资源的配置信息。 进一步可选的, RRC层处理模块 1003 ,具体用于:通 过系统广播消息获取所述 D2D发现资源的配置信息;或者,通过专用 RRC 消息获取所述 D2D 发现资源的配置信息;或者,通过协议约定获取所述 D2D发现资源的配置信息。
本实施例的 D2D通信设备,可以用于执行图 6所示方法实施例的技 术方案,其实现原理和技术效果类似,此处不再赘述。
D2D通信设备实施例八
如图 12所示,本实施例的 D2D通信设备在图 10所示 D2D通信设备 结构的基础上,进一步地,还可以包括: RRC层处理模块 1003 ,用于接 收到 RRC层的上层处理模块 1001发送的接收指示后, 向 MAC层处理模 块 1004发送第一指示,所述第一指示包括所述接收指示以及 D2D发现资 源的配置信息; MAC层处理模块 1004 ,用于接收所述第一指示后, 向物 理层处理模块 1002发送所述第一指示; RRC层的上层处理模块 1001 ,具 体用于向 RRC层处理模块 1003发送所述接收指示。
可选的, RRC层处理模块 1003 ,还可以用于在 RRC层的上层处理模 块 1001向物理层处理模块 1002发送第一指示之前,获取所述 D2D发现 资源的配置信息。 进一步可选的, RRC层处理模块 1003 ,具体用于:通 过系统广播消息获取所述 D2D发现资源的配置信息;或者,通过专用 RRC 消息获取所述 D2D 发现资源的配置信息;或者,通过协议约定获取所述 D2D发现资源的配置信息。
本实施例的 D2D通信设备,可以用于执行图 7所示方法实施例的技 术方案,其实现原理和技术效果类似,此处不再赘述。
D2D通信设备实施例九
如图 12所示,本实施例的 D2D通信设备在图 10所示 D2D通信设备 结构的基础上,进一步地,还可以包括: MAC层处理模块 1004 ,用于接 收到 RRC层的上层处理模块 1001发送的第一指示后,向物理层处理模块 1002发送所述第一指示,所述第一指示为接收指示; RRC层的上层处理 模块 1001 ,具体用于向 MAC层处理模块 1004发送所述第一指示;物理
层处理模块 1002 ,具体用于接收所述第一指示,根据所述接收指示从 D2D 休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。
可选的,本实施例中的 D2D通信设备还可以包括: RRC层处理模块 1003 ,用于在 RRC层的上层处理模块 1001向物理层处理模块 1002发送 第一指示之前, 向物理层处理模块 1002发送资源指示;
其中,所述资源指示包括: D2D发现资源的配置信息,资源指示用于 指示物理层处理模块 1002在所述 D2D发现资源的配置信息对应的 D2D 发现资源上监听 D2D发现信息。
进一步可选的, RRC层处理模块 1003 ,具体用于:通过 MAC层向物 理层处理模块 1002发送资源指示消息;或者,直接向物理层处理模块 1002 发送资源指示消息。
可选的, RRC层处理模块 1003 ,还可以用于在 RRC层的上层处理模 块 1001向物理层处理模块 1002发送第一指示之前,获取所述 D2D发现 资源的配置信息。
进一步可选的, RRC层处理模块 1003 ,具体用于:通过系统广播消 息获取所述 D2D发现资源的配置信息;或者,通过专用 RRC消息获取所 述 D2D发现资源的配置信息;或者,通过协议约定获取所述 D2D发现资 源的配置信息。
本实施例的 D2D通信设备,可以用于执行图 8所示方法实施例的技 术方案,其实现原理和技术效果类似,此处不再赘述。
D2D通信设备实施例十
本实施例在前述 D2D 通信设备实施例一至九的基础上,进一步的, RRC层的上层处理模块 1001 ,还用于向物理层处理模块 1002发送第二指 示,所述第二指示用于指示物理层从 D2D监听状态切换到 D2D休眠状态; 物理层处理模块 1002 ,还用于接收所述第二指示,根据所述第二指示从 D2D监听状态切换到 D2D休眠状态, 以停止监听 D2D发现信息。
本实施例的 D2D通信设备,可以用于执行图 9所示方法实施例的技 术方案,其实现原理和技术效果类似,此处不再赘述。
D2D通信设备实施例十一
本实施例在 D2D通信设备实施例十的基础上,进一步的, RRC层的
上层处理模块 1001 ,具体用于通过所述 RRC层向所述物理层处理模块发 送第二指示;或者,通过所述 RRC层和 MAC层向所述物理层处理模块发 送第二指示;或者,通过 MAC层向所述物理层处理模块发送第二指示。
本实施例的 D2D 通信设备,可以用于执行方法实施例十一的技术方 案,其实现原理和技术效果类似,此处不再赘述。
本领域普通技术人员可以理解:实现上述方法实施例的全部或部分步骤 可以通过程序指令相关的硬件来完成,前述的程序可以存储于一计算机可读 取存储介质中,该程序在执行时,执行包括上述方法实施例的步骤;而前述 的存储介质包括: ROM、 RAM, 磁碟或者光盘等各种可以存储程序代码的介 质。
最后应说明的是:以上各实施例仅用以说明本发明的技术方案,而非对 其限制;尽管参照前述各实施例对本发明进行了详细的说明,本领域的普通 技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改, 或者对其中部分或者全部技术特征进行等同替换;而这些修改或者替换,并 不使相应技术方案的本质脱离本发明各实施例技术方案的范围。
Claims
1、 一种设备到设备 D2D发现信息的接收方法,其特征在于,包括: D2D通信设备的无线资源控制 RRC层的上层向所述 D2D通信设备的 物理层发送第一指示,所述第一指示用于指示物理层从 D2D 休眠状态切 换到 D2D监听状态;
所述 D2D 通信设备的物理层接收所述第一指示,根据所述第一指示 从 D2D休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。
2、 根据权利要求 1所述的方法,其特征在于,所述 RRC层的上层, 包括:应用程序、 或操作系统、 或应用代理、 或非接入层 NAS。
3、 根据权利要求 1或 2所述的方法,其特征在于,所述 D2D通信设 备的 RRC层的上层向所述 D2D通信设备的物理层发送第一指示,包括: D2D通信设备的 RRC层的上层通过所述 RRC层向物理层发送第一指 示。
4、 根据权利要求 3所述的方法,其特征在于,所述 D2D通信设备的 RRC层的上层通过所述 RRC层向物理层发送第一指示,包括:
所述 D2D通信设备的 RRC层的上层向所述 RRC层发送第一指示; 所述 D2D通信设备的 RRC层向物理层发送所述第一指示,所述第一 指示为接收指示。
5、 根据权利要求 3所述的方法,其特征在于,所述 D2D通信设备的 RRC层的上层通过所述 RRC层向物理层发送第一指示,包括:
所述 D2D通信设备的 RRC层的上层向所述 RRC层发送接收指示; 所述 D2D通信设备的 RRC层接收到所述接收指示后,向物理层发送 第一指示,所述第一指示为 D2D发现资源的配置信息。
6、 根据权利要求 3所述的方法,其特征在于,所述 D2D通信设备的 RRC层的上层通过所述 RRC层向物理层发送第一指示,包括:
所述 D2D通信设备的 RRC层的上层向所述 RRC层发送接收指示; 所述 D2D通信设备的 RRC层接收到所述接收指示后,向物理层发送 第一指示,所述第一指示包括所述接收指示以及 D2D 发现资源的配置信
/害、。
7、 根据权利要求 1或 2所述的方法,其特征在于,所述 D2D通信设
备的 RRC层的上层向所述通信设备的物理层发送第一指示,还包括:
D2D 通信设备的 RRC 层的上层通过所述 RRC 层和介质访问控制
MAC层向物理层发送第一指示。
8、 根据权利要求 7所述的方法,其特征在于,所述 D2D通信设备的 RRC层的上层通过所述 RRC层和 MAC层向物理层发送第一指示,包括: 所述 D2D通信设备的 RRC层的上层向所述 RRC层发送第一指示; 所述 D2D通信设备的 RRC层向所述 MAC层发送所述第一指示; 所述 D2D通信设备的 MAC层向物理层发送所述第一指示,所述第一 指示为接收指示。
9、 根据权利要求 7所述的方法,其特征在于,所述 D2D通信设备的
RRC层的上层通过所述 RRC层和 MAC层向物理层发送第一指示,包括: 所述 D2D通信设备的 RRC层的上层向所述 RRC层发送接收指示; 所述 D2D通信设备的 RRC层接收到所述接收指示后,向 MAC层发 送第一指示,所述第一指示为 D2D发现资源的配置信息;
所述 D2D通信设备的 MAC层向物理层发送所述第一指示。
10、 根据权利要求 7所述的方法,其特征在于,所述 D2D通信设备 的 RRC层的上层通过所述 RRC层和 MAC层向物理层发送第一指示,包 括:
所述 D2D通信设备的 RRC层的上层向所述 RRC层发送接收指示; 所述 D2D通信设备的 RRC层接收到所述接收指示后,向 MAC层发 送第一指示,所述第一指示包括所述接收指示以及 D2D 发现资源的配置 in磨、 /
所述 D2D通信设备的 MAC层向物理层发送所述第一指示。
11、 根据权利要求 1或 2所述的方法,其特征在于,所述 D2D通信 设备的 RRC层的上层向所述通信设备的物理层发送第一指示,还包括:
D2D通信设备的 RRC层的上层通过 MAC层向物理层发送第一指示。
12、 根据权利要求 12所述的方法,其特征在于,所述 D2D通信设备 的 RRC层的上层通过 MAC层向物理层发送第一指示,包括:
所述 D2D通信设备的 RRC层的上层向所述 MAC层发送第一指示; 所述 D2D通信设备的 MAC层向物理层发送所述第一指示,所述第一
指示为接收指示。
13、 根据权利要求 4、 8、 12任一项所述的方法,其特征在于,所述 D2D通信设备的 RRC层的上层向所述 D2D通信设备的物理层发送第一指 示之前,还包括:
D2D通信设备的 RRC层向物理层发送资源指示,所述资源指示包括:
D2D发现资源的配置信息,资源指示用于指示 D2D通信设备的物理层在 所述 D2D发现资源的配置信息对应的 D2D发现资源上监听 D2D发现信
/害、。
14、 根据权利要求 13所述的方法,其特征在于,所述 D2D通信设备 的 RRC层向物理层发送资源指示消息,包括:
D2D通信设备的 RRC层通过 MAC层向物理层发送资源指示消息; 或者,
D2D通信设备的 RRC层直接向物理层发送资源指示消息。
15、 根据权利要求 5、 6、 9、 10、 13、 14任一项所述的方法,其特征 在于,D2D通信设备 RRC层的上层向所述 D2D通信设备的物理层发送第 一指示之前,还包括:
D2D通信设备的 RRC层获取所述 D2D发现资源的配置信息。
16、 根据权利要求 15所述的方法,其特征在于,所述 D2D通信设备 的 RRC层获取所述 D2D发现资源的配置信息,包括:
D2D通信设备的 RRC层通过系统广播消息获取所述 D2D发现资源的 配置信息;
或者,
D2D通信设备的 RRC层通过专用 RRC消息获取所述 D2D发现资源 的配置信息;
或者,
D2D通信设备的 RRC层通过协议约定获取所述 D2D发现资源的配置 in磨、 o
17、 根据权利要求 15或 16所述的方法,其特征在于,所述 D2D发 现资源的配置信息,包括:
小区标识及小区标识所对应的所述 D2D发现资源的配置信息;
所述 D2D 通信设备的物理层接收所述第一指示,根据所述第一指示 从 D2D休眠状态切换到 D2D监听状态, 以监听 D2D发现信息,包括: 所述 D2D 通信设备的物理层接收所述第一指示,根据所述第一指示 从 D2D休眠状态切换到 D2D监听状态,以在小区标识对应的 D2D发现资 源的配置信息所指示的 D2D发现资源上监听 D2D发现信息。
18、 根据权利要求 1~17任一项所述的方法,其特征在于,还包括: 所述 D2D通信设备的 RRC层的上层向所述 D2D通信设备的物理层发 送第二指示,所述第二指示用于指示物理层从 D2D监听状态切换到 D2D 休眠状态;
所述 D2D 通信设备的物理层接收所述第二指示,根据所述第二指示 从 D2D监听状态切换到 D2D休眠状态, 以停止监听所述 D2D发现信息。
19、 根据权利要求 18所述的方法,其特征在于,所述 D2D通信设备 的 RRC层的上层向所述 D2D通信设备的物理层发送第二指示,包括: 所述 D2D通信设备的 RRC层的上层通过所述 RRC层向物理层发送 第二指示;
或者,
所述 D2D通信设备的 RRC层的上层通过所述 RRC层和介质访问控 制 MAC层向物理层发送第二指示;
或者,
所述 D2D通信设备的 RRC层的上层通过 MAC层向物理层发送第二 指示。
20、 根据权利要求 19所述的方法,其特征在于,所述第二指示,包 括:停止接收指示。
21、 一种设备到设备 D2D通信设备,其特征在于,包括:
RRC层的上层处理模块,用于向物理层处理模块发送第一指示,所述 第一指示用于指示物理层从 D2D休眠状态切换到 D2D监听状态;
物理层处理模块,用于接收所述第一指示,根据所述第一指示从 D2D 休眠状态切换到 D2D监听状态, 以监听 D2D发现信息。
22、 根据权利要求 21所述的 D2D通信设备,其特征在于,所述 RRC 层的上层,包括:应用程序、 或操作系统、 或应用代理、 或非接入层 NAS。
23、 根据权利要求 21或 22所述的 D2D通信设备,其特征在于,所述 RRC层的上层处理模块,具体用于:通过所述 RRC层向所述物理层处理 模块发送第一指示。
24、 根据权利要求 23所述的 D2D通信设备,其特征在于,还包括: RRC层处理模块,用于接收到所述 RRC层的上层处理模块发送的第 一指示后,向所述物理层处理模块发送所述第一指示,所述第一指示为接 收指示;
所述 RRC层的上层处理模块,具体用于:向所述 RRC层处理模块发 送所述第一指示。
25、 根据权利要求 23所述的 D2D通信设备,其特征在于,还包括:
RRC层处理模块,用于接收到所述 RRC层的上层处理模块发送的接 收指示后, 向所述物理层处理模块发送第一指示,所述第一指示为 D2D 发现资源的配置信息;
所述 RRC层的上层处理模块,具体用于:向所述 RRC层处理模块发 送所述接收指示。
26、 根据权利要求 23所述的 D2D通信设备,其特征在于,还包括: RRC层处理模块,用于接收到所述 RRC层的上层处理模块发送的接 收指示后,向所述物理层处理模块发送第一指示,所述第一指示包括所述 接收指示以及 D2D发现资源的配置信息;
所述 RRC层的上层处理模块,具体用于:向所述 RRC层处理模块发 送所述接收指示。
27、 根据权利要求 21或 22所述的 D2D通信设备,其特征在于,所述 RRC层的上层处理模块具体用于通过所述 RRC层和介质访问控制 MAC 层向所述物理层处理模块发送第一指示。
28、 根据权利要求 27所述的 D2D通信设备,其特征在于,还包括:
RRC层处理模块,用于接收到所述 RRC层的上层处理模块发送的第 一指示后, 向 MAC层处理模块发送所述第一指示;
MAC 层处理模块,用于接收所述第一指示,并向所述物理层处理模 块发送所述第一指示,所述第一指示为接收指示;
所述 RRC层的上层处理模块,具体用于:向所述 RRC层处理模块发
送所述第一指示。
29、 根据权利要求 27所述的 D2D通信设备,其特征在于,还包括:
RRC层处理模块,用于接收到所述 RRC层的上层处理模块发送的接 收指示后,向 MAC层处理模块发送第一指示,所述第一指示为 D2D发现 资源的配置信息;
MAC 层处理模块,用于接收所述第一指示,并向所述物理层处理模 块发送所述第一指示;
所述 RRC层的上层处理模块,具体用于:向所述 RRC层处理模块发 送所述接收指示。
30、 根据权利要求 27所述的 D2D通信设备,其特征在于,还包括:
RRC层处理模块,用于接收到所述 RRC层的上层处理模块发送的接 收指示后, 向 MAC层处理模块发送第一指示,所述第一指示包括所述接 收指示以及 D2D发现资源的配置信息;
MAC 层处理模块,用于接收所述第一指示后, 向所述物理层处理模 块发送所述第一指示;
所述 RRC层的上层处理模块,具体用于:向所述 RRC层处理模块发 送所述接收指示。
31、 根据权利要求 24、 28任一项所述的 D2D通信设备,其特征在于, 所述 RRC层处理模块,还用于:
在所述 RRC层的上层处理模块向所述物理层处理模块发送第一指示 之前,向所述物理层处理模块发送资源指示;
其中,所述资源指示包括: D2D发现资源的配置信息,资源指示用于 指示所述物理层处理模块在所述 D2D发现资源的配置信息对应的 D2D发 现资源上监听 D2D发现信息。
32、 根据权利要求 21或 22所述的 D2D通信设备,其特征在于,所述
RRC层的上层处理模块,具体用于:通过 MAC层向所述物理层处理模块 发送第一指示。
33、 根据权利要求 32所述的 D2D通信设备,其特征在于,还包括: MAC层处理模块,用于接收到所述 RRC层的上层处理模块发送的第 一指示后,向所述物理层处理模块发送所述第一指示,所述第一指示为接
收指示;
所述 RRC层的上层处理模块,具体用于:向所述 MAC层处理模块发 送所述第一指示。
34、 根据权利要求 33所述的 D2D通信设备,其特征在于,还包括: RRC层处理模块,用于在所述 RRC层的上层处理模块向所述物理层 处理模块发送第一指示之前,向所述物理层处理模块发送资源指示; 其中,所述资源指示包括: D2D发现资源的配置信息,资源指示用于 指示所述物理层处理模块在所述 D2D发现资源的配置信息对应的 D2D发 现资源上监听 D2D发现信息。
35、 根据权利要求 31或 34所述的 D2D通信设备,其特征在于,所述
RRC层处理模块,具体用于:
通过 MAC层向所述物理层处理模块发送资源指示消息;
或者,
直接向所述物理层处理模块发送资源指示消息。
36、 根据权利要求 25、 26、 29、 31、 34、 35任一项所述的 D2D通信 设备,其特征在于,所述 RRC层处理模块,还用于:
在所述 RRC层的上层处理模块向所述物理层处理模块发送第一指示 之前,获取所述 D2D发现资源的配置信息。
37、 根据权利要求 36所述的 D2D通信设备,其特征在于,所述 RRC 层处理模块,具体用于:
通过系统广播消息获取所述 D2D发现资源的配置信息;
或者,
通过专用 RRC消息获取所述 D2D发现资源的配置信息;
或者,
通过协议约定获取所述 D2D发现资源的配置信息。
38、 根据权利要求 36或 37所述的 D2D通信设备,其特征在于,所述 D2D发现资源的配置信息,包括:
小区标识及小区标识所对应的 D2D发现资源的配置信息;
所述物理层处理模块,具体用于:接收所述第一指示,根据所述第一 指示从 D2D休眠状态切换到 D2D监听状态,以在小区标识对应的 D2D发
现资源的配置信息所指示的 D2D发现资源上监听 D2D发现信息。
39、 根据权利要求 21~38任一项所述的 D2D通信设备,其特征在于, 所述 RRC层的上层处理模块,还用于: 向所述物理层处理模块发送第二 指示,所述第二指示用于指示物理层从 D2D监听状态切换到 D2D休眠状 太 .
/ΙΙΛ ,
所述物理层处理模块,还用于:接收所述第二指示,根据所述第二指 示从 D2D监听状态切换到 D2D休眠状态,以停止监听所述 D2D发现信息。
40、 根据权利要求 39所述的 D2D通信设备,其特征在于,所述 RRC 层的上层处理模块,具体用于:
通过所述 RRC层向所述物理层处理模块发送第二指示;
或者,
通过所述 RRC层和 MAC层向所述物理层处理模块发送第二指示; 或者,
通过 MAC层向所述物理层处理模块发送第二指示。
41、 根据权利要求 40所述的 D2D通信设备,其特征在于,所述第二 指示,包括:停止接收指示。
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2014
- 2014-05-09 CN CN201480074708.XA patent/CN105940729B/zh active Active
- 2014-05-09 EP EP14891332.0A patent/EP3133873B1/en active Active
- 2014-05-09 WO PCT/CN2014/077182 patent/WO2015168945A1/zh active Application Filing
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2016
- 2016-11-08 US US15/346,124 patent/US10021640B2/en active Active
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Patent Citations (2)
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WO2013155265A1 (en) * | 2012-04-13 | 2013-10-17 | Intel Corporation | D2d connection recovery schemes |
WO2013183728A1 (ja) * | 2012-06-06 | 2013-12-12 | 京セラ株式会社 | 通信制御方法、ユーザ端末、プロセッサ、及び記憶媒体 |
Cited By (2)
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US10893422B2 (en) * | 2014-11-24 | 2021-01-12 | Lenovo (Beijing) Co. Ltd | Apparatus, method, and product for selecting a base station |
WO2021138762A1 (zh) * | 2020-01-06 | 2021-07-15 | 富士通株式会社 | 通知发送时间信息的方法以及装置 |
Also Published As
Publication number | Publication date |
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EP3133873A1 (en) | 2017-02-22 |
EP3133873A4 (en) | 2017-04-26 |
CN105940729A (zh) | 2016-09-14 |
US10021640B2 (en) | 2018-07-10 |
US10244471B2 (en) | 2019-03-26 |
CN105940729B (zh) | 2020-04-21 |
US20180288700A1 (en) | 2018-10-04 |
US20170055209A1 (en) | 2017-02-23 |
US10701631B2 (en) | 2020-06-30 |
EP3133873B1 (en) | 2020-09-23 |
US20190191370A1 (en) | 2019-06-20 |
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