WO2014154085A1 - 一种d2d响应信息的传输方法和设备 - Google Patents

一种d2d响应信息的传输方法和设备 Download PDF

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Publication number
WO2014154085A1
WO2014154085A1 PCT/CN2014/072959 CN2014072959W WO2014154085A1 WO 2014154085 A1 WO2014154085 A1 WO 2014154085A1 CN 2014072959 W CN2014072959 W CN 2014072959W WO 2014154085 A1 WO2014154085 A1 WO 2014154085A1
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WIPO (PCT)
Prior art keywords
discovery signal
response information
feedback
resources occupied
receiving end
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PCT/CN2014/072959
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English (en)
French (fr)
Inventor
陈文洪
高秋彬
彭莹
赵锐
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China Academy of Telecommunications Technology CATT
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China Academy of Telecommunications Technology CATT
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup

Definitions

  • the present application relates to the field of communications technologies, and in particular, to a D2D (Device to Device) response information transmission method and device.
  • D2D Device to Device
  • the embodiment of the present application provides a method and a device for transmitting D2D response information, so that the base station device or the transmitting UE knows whether D2D communication can be performed between the transmitting UE and the receiving UE.
  • the embodiment of the present application provides a device to device D2D response information transmission method, including:
  • the receiving end user equipment UE determines the physical resource occupied by the D2D discovery signal
  • the receiving end UE generates D2D response information according to the receiving result of the D2D discovery signal;
  • the receiving end UE determines a feedback resource occupied by the D2D response information, and sends the D2D response information on the feedback resource.
  • An embodiment of the present application provides a user equipment UE, including:
  • a first determining module configured to determine a physical resource occupied by the device to the device D2D discovery signal; a first receiving module, configured to receive a D2D discovery signal on the physical resource; and a generating module, configured to generate, according to the received result of the D2D discovery signal And a second determining module, configured to determine a feedback resource occupied by the D2D response information, where the first sending module is configured to send the D2D response information on the feedback resource.
  • the embodiment of the present application provides a device to device D2D response information transmission method, including: the base station device determines a feedback resource occupied by the D2D response information corresponding to the D2D discovery signal;
  • the base station device receives D2D response information that is sent by the receiving end UE on the feedback resource, where the D2D response information is a receiving result that the receiving end UE receives the D2D discovery signal according to the physical resource occupied by the D2D discovery signal. Generated and sent.
  • An embodiment of the present application provides a base station device, including:
  • a third determining module configured to determine a feedback resource occupied by the D2D response information corresponding to the D2D discovery signal
  • a second receiving module configured to receive D2D response information that is sent by the receiving end UE on the feedback resource, where the D2D response information is that the receiving end UE receives the D2D discovery signal according to the physical resource occupied by the D2D discovery signal. The received result is generated and sent.
  • An embodiment of the present application provides a device to device D2D response information transmission method, including: a sending end UE determines a D2D response signal corresponding to the D2D response information.
  • the transmitting end UE receives the D2D response information that is sent by the receiving end UE on the feedback resource, where the D2D response information is that the receiving end UE receives the D2D discovery signal according to the physical resource occupied by the D2D discovery signal. The result is generated and sent.
  • An embodiment of the present application provides a user equipment, including:
  • a fourth determining module configured to determine a feedback resource occupied by the D2D response information corresponding to the D2D discovery signal
  • a third receiving module configured to receive D2D response information that is sent by the receiving end UE on the feedback resource, where the D2D response information is that the receiving end UE receives the D2D discovery signal according to the physical resource occupied by the D2D discovery signal. The received result is generated and sent.
  • the embodiment of the present application has at least the following advantages:
  • the receiving end UE when receiving the D2D discovery signal, the receiving end UE generates D2D response information according to the receiving result of the D2D discovery signal, and is on the feedback resource. Transmitting the D2D response information corresponding to the D2D discovery signal, so that the base station device or the transmitting end UE can know whether D2D communication can be performed between the transmitting end UE and the receiving end UE, and then complete D2D communication pairing between the transmitting end UE and the receiving end UE. . BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a schematic flowchart of a method for transmitting D2D response information when a receiving end UE is processed in the first embodiment of the present application;
  • FIG. 2 is a schematic flowchart of a method for transmitting D2D response information when a base station device is processed according to Embodiment 1 of the present application
  • 3 is a schematic flowchart of a method for transmitting D2D response information when a UE is processed by a transmitting end UE according to Embodiment 1 of the present application
  • FIG. 4 is a schematic flow chart of a method for transmitting D2D response information proposed in Embodiment 2 of the present application;
  • FIG. 5 is a schematic flow chart of a method for transmitting D2D response information proposed in Embodiment 3 of the present application;
  • FIG. 6 is a schematic structural diagram of a user equipment according to Embodiment 4 of the present application.
  • FIG. 7 is a schematic structural diagram of a base station device according to Embodiment 5 of the present application.
  • FIG. 8 is a schematic structural diagram of another user equipment according to Embodiment 6 of the present application
  • FIG. 9 is a schematic structural diagram of a user equipment according to Embodiment 7 of the present application
  • FIG. 10 is a schematic structural diagram of a base station device according to Embodiment 8 of the present application.
  • FIG. 11 is a schematic structural diagram of another user equipment according to Embodiment 9 of the present application. Mode for carrying out the invention
  • the D2D technology (that is, the terminal eNB) is a method in which a neighboring UE can directly transmit data through a direct link within a short range, and does not need to be forwarded through a central node (ie, an eNB).
  • the short-distance communication characteristics and direct communication mode of D2D technology have the following advantages: (1) UE short-distance direct communication can achieve higher data rate, lower delay and lower power consumption; (2) using the network Short-range characteristics of widely distributed UE and D2D communication links, Effective use of spectrum resources can be realized; (3) D2D direct communication can adapt to local data sharing requirements such as wireless P2P services, and provide flexible adaptive data services; (4) D2D direct communication can utilize the number of networks A large and widely distributed UE that expands the coverage of the network.
  • the D2D technology refers to the D2D communication process that is controlled by the LTE system in the LTE licensed band. It fully utilizes the advantages of the D2D technology, and the control of the LTE system can overcome the traditional D2D technology. Some problems, such as uncontrollable interference.
  • the D2D communication can also be performed on the non-LTE licensed frequency band or without the control of the LTE system. At this time, the D2D communication between the UEs is completed by the autonomous organization, and no base station equipment assists the control.
  • the D2D communication process includes D2D discovery and D2D communication; the UE discovers other UEs in its vicinity through the D2D discovery signal, and performs data communication after establishing the D2D connection; within the network coverage, the resources used by the D2D discovery signal are notified by the base station device.
  • the transmitting UE and the receiving UE are enabled to enable the transmitting UE and the receiving UE to perform discovery using resources configured by the base station device.
  • the resources used by the D2D discovery signal may also be predefined resources, or may be resources allocated by one of the UEs.
  • the transmitting end UE sends a D2D discovery signal on the resource configured by the base station device, and the multiple receiving end UEs can simultaneously receive the D2D discovery signal on the resource to discover the transmitting end UE. In addition, the transmitting end UE can also configure the resource in the base station device. On other resources, the D2D discovery signals of other UEs are received. The transmitting UE needs to transmit the D2D discovery signal on one OFDM (Orthogonal Frequency Division Multiplexing) symbol, and needs to receive the D2D discovery signal of other UEs on at least one other OFDM symbol.
  • OFDM Orthogonal Frequency Division Multiplexing
  • the UE Due to the limitation of the radio frequency, the UE needs a certain conversion time (20 us) between transmitting the D2D discovery signal and receiving the D2D discovery signal. Therefore, the transmitting UE sends the OFDM symbol on one OFDM symbol.
  • the OFDM symbols on both sides of the OFDM symbol cannot be used to receive the D2D discovery signal of other UEs, but only serve as a guard interval for transceiving and translating.
  • An embodiment of the present application provides a method for transmitting D2D response information, which may be applied to a system including a base station device (in this case, a communication process between a transmitting UE, a receiving UE, and a base station device) or not including a base station device.
  • the system in this case, the communication process between the sender UE and the receiver UE; further, the method for transmitting D2D response information in the embodiment of the present application can enable the receiver UE to receive the D2D discovery signal.
  • the method for transmitting D2D response information includes the following steps: Step 101: A UE (ie, a receiving UE) determines a physical resource occupied by a D2D discovery signal.
  • the UE determines the physical resource occupied by the D2D discovery signal, and specifically includes: the UE receives the indication information that the D2D discovery signal from the base station device occupies the physical resource, and uses the indication information to determine the physical resource occupied by the D2D discovery signal; or The UE (the receiving end UE) receives the indication information that the D2D discovery signal from the transmitting end UE occupies the physical resource, and uses the indication information to determine the physical resource occupied by the D2D discovery signal; or, the UE detects whether the physical resource is separately detected on multiple physical resources. A D2D discovery signal is received to determine the physical resources occupied by the D2D discovery signal.
  • the base station device needs to configure the physical resource occupied by the transmitting end UE to send the D2D discovery signal, and notify the sending end UE and the receiving end UE of the indication information of the physical resource occupied by the D2D discovery signal; Determining, by the UE, the physical resource occupied by the D2D discovery signal, and then transmitting the D2D discovery signal; The receiving UE determines the physical resource occupied by the D2D discovery signal by using the indication information, and then receives the D2D discovery signal.
  • the transmitting end UE may configure the physical resource occupied by the D2D discovery signal, send the D2D discovery signal on the physical resource, and notify the receiving and receiving the indication information of the physical resource occupied by the D2D discovery signal.
  • the UE is used by the receiving end UE to determine the physical resource occupied by the D2D discovery signal, and then receives the D2D discovery signal.
  • the base station device needs to configure the physical resource occupied by the transmitting end UE to send the D2D discovery signal, and notify the sending end UE of the indication information of the physical resource occupied by the D2D discovery signal;
  • the indication information determines the physical resource occupied by the D2D discovery signal, and then transmits the D2D discovery signal.
  • the receiving end UE determines whether the D2D discovery signal is received on the plurality of physical resources to determine the physical resource occupied by the D2D discovery signal.
  • Step 102 The UE receives the D2D discovery signal on the physical resource occupied by the D2D discovery signal.
  • the transmitting end UE needs to send the D2D discovery signal on the physical resource occupied by the D2D discovery signal, and the receiving end UE needs to receive the D2D discovery signal on the physical resource occupied by the D2D discovery signal.
  • Step 103 The UE generates D2D response information according to the reception result of the D2D discovery signal.
  • the D2D response information includes but is not limited to one or any combination of the following:
  • the identification information of the UE ie, the transmitting end UE
  • the identification information may be an index of all the UEs that the transmitting end UE needs to discover at the receiving end UE, for example, the receiving end UE is configured by the base station device to discover
  • the four-bit information may be used to indicate the identification information corresponding to the four UEs.
  • the identifier information may also be a D2D-dedicated ID configured by the base station device to the transmitting UE, that is, the base station device may be a UE for each transmitting end. Configure the appropriate D2D ID.
  • Received power strength information obtained by measuring the D2D discovery signal for example, after receiving the D2D discovery signal successfully, the receiving UE can obtain received power strength information by measuring the received D2D discovery signal, and the receiving The power strength information is similar to the RSRP (Reference Signal Received Power) information in the existing system.
  • RSRP Reference Signal Received Power
  • a request for establishing a D2D communication connection between the UE (ie, the receiving UE) and the UE transmitting the D2D discovery signal (ie, the transmitting UE) needs to be different from the communication connection request of the existing cellular network.
  • the D2D response information may include multiple pieces of content, which are multiple content corresponding to one sending end UE, or multiple content corresponding to multiple sending end UEs; for this, when D2D response information
  • the process of generating the D2D response information by the UE includes: the UE generates D2D response information including the content for each content; or, the UE jointly encodes the multiple content, and generates the content for the jointly encoded content.
  • the UE performs a concatenation process on the multiple content, and generates D2D response information including the content for the concatenated processed content; wherein, the UE may perform multiple content in the order indicated by the base station device A plurality of contents are subjected to cascading processing in a cascading process or in an order determined based on identification information of the D2D discovery signal.
  • Step 104 The UE determines the feedback resource occupied by the D2D response information, and sends the D2D response information on the feedback resource, that is, the D2D response information is sent to the base station device or the sending end UE.
  • the UE ie, the receiving UE determines the feedback resource occupied by the D2D response information, which includes but is not limited to the following manners:
  • Manner 1 The UE receives the downlink signaling from the base station device for configuring the feedback resource occupied by the D2D response information, and obtains the feedback resource occupied by the D2D response information from the downlink signaling.
  • the base station device may notify the UE of the feedback resource information occupied by the D2D response information, such as the high layer signaling or the DCI (downlink control information) signaling, by the UE from the high layer signaling or the DCI signaling.
  • the feedback resources occupied by the D2D response information are obtained. For example, if the D2D response information needs to be sent in the manner of a PUCCH (Physical Uplink Control Channel), the base station device can configure the PUCCH resource used by the corresponding PUCCH format by using the high layer signaling; If the Uplink Shared Channel is transmitted in the manner of the physical uplink shared channel, the base station device may indicate the resource occupied by the corresponding PUSCH in the scheduled DCI.
  • PUCCH Physical Uplink Control Channel
  • Manner 2 The UE calculates the feedback resource occupied by the D2D response information corresponding to the D2D discovery signal by using the sequence information of the physical resource and/or the physical resource occupied by the D2D discovery signal.
  • the feedback resource occupied by the L D2D response information may be represented by a resource index n_response.
  • n_response can represent the PUCCH resource occupied by the D2D response information
  • the starting position of the physical resource occupied by the n_response and the D2D discovery signal ie, n_ID
  • the sequence identifier of the physical resource occupied by the D2D discovery signal ie, n_ID
  • n_response f (n_low, n_ID).
  • the N_ID represents the same resource Number of sequence multiplexing
  • said N_dis is the number of PRBs occupied by each D2D discovery signal.
  • the N_res is the total size of the feedback resources occupied by the D2D response information.
  • the floor function is rounded down and the round function is rounded off.
  • n_response is an index of a resource, or represents a starting position of a resource, or a resource. Number, each resource number maps a resource.
  • Manner 3 The UE obtains the feedback resource occupied by the D2D response information corresponding to the D2D discovery signal by using the resource information carried in the D2D discovery signal.
  • the feedback resource occupied by the D2D response information is determined by using the n_response carried in the D2D discovery signal;
  • the resource information carried in the information includes the starting position of the feedback resource occupied by the D2D response information
  • the starting position carried in the D2D discovery signal and related information are used to determine the feedback resource occupied by the D2D response information.
  • the UE receives the control signaling from the sending UE for configuring the feedback resource occupied by the D2D response information, and obtains the feedback resource occupied by the D2D response information from the control signaling.
  • the transmitting end UE may notify the receiving end UE of the feedback resource information occupied by the D2D response information by using the high layer signaling or the DCI signaling, and the receiving end UE obtains the D2D response from the high layer signaling or the DCI signaling.
  • Feedback resources used by the information For example, if the D2D response information needs to be sent in the manner of a PUCCH, the transmitting end UE may configure the PUCCH resource used by the corresponding PUCCH format by using the high layer signaling; The information needs to be sent in the manner of the PUSCH, and the transmitting end UE can indicate the resources occupied by the corresponding PUSCH in the scheduling DCI.
  • the UE sends the D2D response information corresponding to the D2D discovery signal on the feedback resource, including but not limited to the following:
  • the UE sends the D2D response information corresponding to the D2D discovery signal to the base station device at a time on the feedback resource; that is, the UE sends the D2D response information corresponding to the D2D discovery signal to the base station device.
  • the receiving UE collects the D2D response information corresponding to the D2D discovery signal by using the PUCCH resource after successfully discovering the transmitting UE (ie, the feedback information of the successfully received D2D discovery signal and the measured received power strength). Information) is sent to the base station device.
  • the UE In the second mode, the UE (ie, the receiving UE) periodically sends the D2D response information corresponding to the D2D discovery signal on the feedback resource until the D2D discovery signal is successfully received (that is, the UE that successfully sends the D2D discovery signal is successfully found); that is, the UE is in the UE.
  • the D2D response information corresponding to the D2D discovery signal is periodically sent to the base station device or the transmitting end UE, until the UE transmitting the D2D discovery signal is successfully found; for example, the UE receives the D2D discovery signal at the physical resource configured by the base station device, If the D2D discovery signal is not successfully received, the D2D response information corresponding to the D2D discovery signal is periodically fed back (ie, the feedback information of the D2D discovery signal is not successfully received), and once the UE successfully receives the D2D discovery signal, the D2D will be successfully received.
  • the feedback information of the discovery signal is sent to the base station device, and the corresponding feedback resource is released.
  • the UE In the third mode, the UE (ie, the receiving UE) periodically transmits the D2D response information corresponding to the D2D discovery signal on the feedback resource after successfully receiving the D2D discovery signal; that is, the UE periodically responds to the D2D discovery signal on the feedback resource.
  • the D2D response information is sent to the base station device or the transmitting end UE. For example, whether the UE successfully receives the D2D discovery signal, the PUCCH format 2 (format 2) is periodically reported in the PUCCH. D2D response information.
  • the UE (ie, the receiving UE) sends the D2D response information corresponding to the D2D discovery signal on the feedback resource after receiving the response triggering command from the base station device or the transmitting UE; that is, the UE receives the base station device or the sending UE.
  • the D2D response information corresponding to the D2D discovery signal is sent to the base station device or the transmitting end UE on the feedback resource; for example, the base station device schedules the PUSCH transmission for transmitting the D2D response information by using the DCI, and the UE passes the indicated PUSCH.
  • the resource feedback D2D response information or, the base station device triggers the UE to perform layer reporting of the D2D response information by using a specific event, and the UE feeds back the D2D response information after being triggered by the specific event.
  • the UE may send the D2D response information through the physical layer signaling on the feedback resource.
  • the UE may send the D2D response information through the high layer signaling on the feedback resource.
  • the base station device needs to receive the D2D response information from the UE on the corresponding feedback resource, and when the base station device learns from the D2D response information that the receiving UE has successfully received the D2D discovery signal of the sending UE, Some or all of the content of the D2D response information is notified to the transmitting end UE; after receiving the notification, the transmitting end UE may stop transmitting the D2D discovery signal.
  • the foregoing process is a process for the receiving end UE.
  • the processing of the sending end UE and the processing of the base station device may further include the following processes:
  • FIG. 2 it is a schematic diagram of a processing procedure for a base station device.
  • Step 201 The base station device determines the physical resource occupied by the transmitting end UE to send the D2D discovery signal, and notifies the sending end UE of the indication information of the physical resource occupied by the D2D discovery signal, and the transmitting end UE determines the D2D discovery signal by using the indication information.
  • the occupied physical resource, and the D2D discovery signal is sent on the physical resource occupied by the D2D discovery signal.
  • the base station device may further notify the receiving end UE of the indication information of the physical resource occupied by the D2D discovery signal, and the receiving end UE determines the physical resource occupied by the D2D discovery signal by using the indication information, and the physics occupied by the D2D discovery signal.
  • the D2D discovery signal is received on the resource.
  • Step 202 The base station device determines a feedback resource that is occupied by the D2D response information corresponding to the D2D discovery signal, and receives the D2D response information that is sent by the receiving end UE on the feedback resource, where the D2D response information is The receiving result of receiving the D2D discovery signal on the physical resource occupied by the D2D discovery signal is generated and transmitted.
  • the process for the base station device to determine the feedback resource occupied by the D2D response information corresponding to the D2D discovery signal includes, but is not limited to, the following manner: the base station device determines, irrespective of the sequence information of the physical resource and/or the physical resource occupied by the D2D discovery signal.
  • the resource is used as a feedback resource for the D2D response information corresponding to the D2D discovery signal; or the base station device uses the sequence information of the physical resource and/or the physical resource occupied by the D2D discovery signal to calculate the feedback resource occupied by the D2D response information corresponding to the D2D discovery signal.
  • the base station device determines, as the feedback resource occupied by the D2D response information corresponding to the D2D discovery signal, the resource that is not related to the sequence information of the physical resource and/or the physical resource occupied by the D2D discovery signal, the base station device determines the D2D discovery signal corresponding to the After receiving the feedback resource occupied by the D2D response information, the base station device may further send the indication information of the feedback resource occupied by the D2D response information to the receiving end UE, and the receiving end UE uses the indication information to determine the feedback resource occupied by the D2D response information.
  • the base station device sends the indication information of the feedback resource occupied by the D2D response information to the receiving end UE through the downlink signaling; or the base station device sends the indication information of the feedback resource occupied by the D2D response information to the sending end UE,
  • the transmitting end UE carries the indication information of the feedback resource occupied by the D2D response information in the D2D discovery signal and sends the indication information to the receiving end UE.
  • FIG. 3 it is a schematic diagram of a processing procedure for a UE at a transmitting end.
  • Step 301 The sending end UE determines the physical resource occupied by the D2D discovery signal, and sends the D2D discovery signal on the physical resource occupied by the D2D discovery signal.
  • the transmitting end UE may notify the receiving end UE of the indication information of the physical resource occupied by the D2D discovery signal, and the receiving end UE determines the physical resource occupied by the D2D discovery signal by using the indication information, and the physics occupied by the D2D discovery signal.
  • the D2D discovery signal is received on the resource.
  • Step 302 The transmitting end UE determines the feedback resource occupied by the D2D response information corresponding to the D2D discovery signal, and receives the D2D response information sent by the receiving end UE on the feedback resource.
  • the D2D response information is the receiving end.
  • the UE generates and transmits the received result of receiving the D2D discovery signal on the physical resource occupied by the D2D discovery signal.
  • the sending end UE determines the feedback resource occupied by the D2D response information corresponding to the D2D discovery signal, including but not limited to the following manner: The sending end UE determines that the physical resource and/or the sequence information of the physical resource occupied by the D2D discovery signal is independent. The resource is used as the feedback resource occupied by the D2D response information corresponding to the D2D discovery signal; or the transmitting end UE calculates the feedback of the D2D response information corresponding to the D2D discovery signal by using the sequence information of the physical resource and/or the physical resource occupied by the D2D discovery signal. Resources.
  • the transmitting end UE determines the resource that is not related to the sequence information of the physical resource and/or the physical resource occupied by the D2D discovery signal as the feedback resource occupied by the D2D response information corresponding to the D2D discovery signal.
  • the transmitting end UE determines the D2D discovery signal.
  • the UE may also send the indication information of the feedback resource occupied by the D2D response information to the receiving UE, and the receiving UE determines the D2D response information by using the indication information. Feedback resources.
  • the sending end UE uses the feedback signaling occupied by the D2D response information by using control signaling.
  • the indication information of the source is sent to the receiving end UE; or the transmitting end UE carries the indication information of the feedback resource occupied by the D2D response information in the D2D discovery signal and sends the indication information to the receiving end UE.
  • the receiving UE when receiving the D2D discovery signal, the receiving UE generates D2D response information according to the receiving result of the D2D discovery signal, and sends the D2D response information corresponding to the D2D discovery signal on the feedback resource, so that the base station device or the transmitting UE It can be known whether D2D communication can be performed between the transmitting end UE and the receiving end UE, and the proximity situation and channel quality between the transmitting end UE and the receiving end UE are known, and then the D2D communication pairing between the transmitting end UE and the receiving end UE is completed. , scheduling of D2D communication. Further, the base station device may send the D2D response information to the sending end UE, so that the sending end UE discovers another UE while being discovered, and may initiate a D2D communication request.
  • the technical solution provided by the embodiment of the present application is further described by taking the UE A as the sender UE and the UE B as the receiver UE as an example.
  • a second embodiment of the present application provides a method for transmitting D2D response information. As shown in FIG. 4, the method includes the following steps:
  • Step 401 The base station device needs to configure the physical resource occupied by the UE A to send the D2D discovery signal, and notify the UE A and the UE B of the indication information of the physical resource occupied by the D2D discovery signal. Thereafter, the UE A determines the indication information by using the indication information.
  • the D2D discovers the physical resources occupied by the signal, and then can transmit the D2D discovery signal; and the UE B uses the indication information to determine the physical resource occupied by the D2D discovery signal, and then can receive the D2D discovery signal.
  • the physical resource occupied by the D2D discovery signal is a periodic physical resource in the time domain, so that the UE A periodically sends the D2D discovery signal, and the UE B periodically receives the D2D discovery signal.
  • the base station device indicates the physical resources occupied by the D2D discovery signal.
  • the feedback resource occupied by the D2D response information may be simultaneously indicated, and the physical resource occupied by the D2D discovery signal and the feedback resource occupied by the D2D response information may be indicated together to the UE B, or separately indicated to the UE B;
  • the D2D response information is reported in the format of the PUCCH, and the corresponding periodic PUCCH resource is configured by the base station device.
  • the content of the PUCCH resource configured by the base station device includes: a subframe period, a start subframe, a frequency domain and a code domain in the subframe. Resource location, etc.
  • Step 402 The UE A sends a D2D discovery signal on the physical resource occupied by the D2D discovery signal, and the UE B receives the D2D discovery signal on the physical resource occupied by the D2D discovery signal.
  • Step 403 The UE B generates D2D response information according to the received result of the D2D discovery signal, where the D2D response information includes whether the UE B successfully receives the 1-bit feedback information of the D2D discovery signal of the UE A.
  • the D2D response information includes whether the UE B successfully receives the 1-bit feedback information of the D2D discovery signal of the UE A.
  • Step 404 The UE B determines that the feedback resource occupied by the D2D response information is the feedback resource indicated by the base station device, and periodically feeds back the D2D response information on the feedback resource indicated by the base station device, where the D2D response information includes the UE.
  • the response information corresponding to all the D2D discovery signals that need to be found, and the D2D response information corresponding to the multiple D2D discovery signals are cascaded according to the order of the identification index information of the D2D discovery signal, and then fed back in the same PUCCH format.
  • the priority of the D2D discovery signal needs to be lower, or the priority of the D2D discovery signal is lower, or the index is lower.
  • the base station device receives the D2D response information on the corresponding feedback resource, if After the base station device finds that the UE B has correctly detected the information of a certain UE A in the D2D response information, the base station device also needs to notify the UE A that the information is successfully found by the UE B.
  • a third embodiment of the present application provides a method for transmitting D2D response information. As shown in FIG. 5, the method includes the following steps:
  • Step 501 The base station device needs to configure the physical resource occupied by the UE A to send the D2D discovery signal, and notify the UE A and the UE B of the indication information of the physical resource occupied by the D2D discovery signal. Thereafter, the UE A determines the indication information by using the indication information.
  • the D2D discovers the physical resources occupied by the signal, and then can transmit the D2D discovery signal; and the UE B uses the indication information to determine the physical resource occupied by the D2D discovery signal, and then can receive the D2D discovery signal.
  • the physical resource occupied by the D2D discovery signal is a periodic physical resource in the time domain, so that the UE A periodically sends the D2D discovery signal, and the UE B periodically receives the D2D discovery signal.
  • Step 502 UE A sends a D2D discovery signal on a physical resource occupied by the D2D discovery signal, and UE B receives the D2D discovery signal on a physical resource occupied by the D2D discovery signal.
  • Step 503 The UE B generates D2D response information according to the receiving result of the D2D discovery signal, where the D2D response information includes feedback information that the UE B successfully receives the D2D discovery signal, and the received power measured after successfully receiving the D2D discovery signal. Intensity information; After that, UE B jointly encodes the two information as D2D response information corresponding to a D2D discovery signal.
  • the D2D response information includes 4 bits, wherein a status 0000 indicated is used to indicate that the D2D discovery signal is not successfully received, and other states indicate the received power strength measured by the D2D discovery signal when the D2D discovery signal is successfully received. information.
  • Step 504 The base station device triggers the UE B to perform D2D ringing by using the PUSCH through the DCI.
  • the location of the PUSCH frequency domain resource used by the D2D response information and the set of D2D discovery signals corresponding to the triggered D2D response information are indicated in the DCI.
  • the base station device may pre-configure a plurality of D2D discovery signal sets by using high layer signaling, and then trigger D2D response information corresponding to one of the D2D discovery signal sets by DCI; or configure only one D2D discovery signal set.
  • the UE B After receiving the trigger signaling of the base station device, the UE B sends the D2D response information corresponding to the D2D discovery signal indicated by the trigger signaling on the PUSCH resource indicated by the corresponding DCI; if the trigger signaling indicates multiple D2D discovery signals, The UE B cascades the D2D response information corresponding to the multiple D2D discovery signals and then reports the information to the base station device.
  • the order of the cascading is according to the index order of the D2D discovery signals, or the order of the D2D discovery signals in the D2D discovery signal set. .
  • the base station device receives the D2D response information on the corresponding feedback resource, so as to learn the discovered situation of the UE corresponding to the set, and perform scheduling of the next communication.
  • the user equipment UE is also provided in the embodiment of the present application. As shown in FIG. 6, the device includes:
  • the first determining module 11 is configured to determine a physical resource occupied by the device to device D2D discovery signal
  • the first receiving module 12 is configured to receive a D2D discovery signal on the physical resource, and the generating module 13 is configured to generate D2D response information according to the received result of the D2D discovery signal;
  • the second determining module 14 is configured to determine a feedback resource occupied by the D2D response information, where the first sending module 15 is configured to send the D2D response information on the feedback resource.
  • the first determining module 11 is specifically configured to receive indication information that the D2D discovery signal from the base station device occupies the physical resource, and use the indication information to determine that the D2D discovery signal accounts for Or the physical resource that is received by the D2D discovery signal from the transmitting end UE, and the physical information occupied by the D2D discovery signal is determined by using the indication information; or, by detecting whether the physical resource is separately collected on multiple physical resources The signal is found to the D2D to determine the physical resources occupied by the D2D discovery signal.
  • the D2D response information generated by the generating module 13 includes one or any combination of the following: the identifier information of the UE that sends the D2D discovery signal; whether the UE successfully receives the feedback information of the D2D discovery signal; The received power strength information obtained by the signal is found to be measured; a request for establishing a D2D communication connection between the UE and the UE transmitting the D2D discovery signal.
  • the generating module 13 is specifically configured to: when the D2D response information includes multiple content, generate D2D response information including the content for each content; or jointly encode the multiple content, and jointly code
  • the subsequent content generates D2D response information including the content; or, the plurality of contents are subjected to concatenation processing, and D2D response information including the content is generated for the concatenated processed content.
  • the second determining module 14 is configured to receive downlink signaling from a base station device for configuring a feedback resource occupied by the D2D response information, and obtain a feedback resource occupied by the D2D response information from the downlink signaling; or Receiving control signaling from the transmitting end UE for configuring the feedback resource occupied by the D2D response information, and obtaining the feedback resource occupied by the D2D response information from the control signaling; or using the physical resource occupied by the D2D discovery signal And the sequence information of the physical resource is used to calculate the feedback resource occupied by the D2D response information corresponding to the D2D discovery signal; or the resource information carried in the D2D discovery signal is used to obtain the D2D response information corresponding to the D2D discovery signal. Feedback resources.
  • the first sending module 15 is configured to send the D2D response information corresponding to the D2D discovery signal to the feedback resource at a time; or, periodically, send the D2D discovery signal corresponding to the feedback resource. D2D response information until successful reception After the D2D discovery signal is successfully received, or after the D2D discovery signal is successfully received, or after receiving the response triggering command from the base station device or the transmitting UE, transmitting the D2D discovery signal on the feedback resource. Corresponding D2D response information.
  • the first sending module 15 is specifically configured to send the D2D response information by using physical layer signaling on the feedback resource, or send the D2D response information by using high layer signaling on the feedback resource.
  • the modules of the device of the present application may be integrated into one or may be deployed separately.
  • the above modules can be combined into one module, or can be further split into multiple sub-modules.
  • the embodiment of the present application further provides a base station device.
  • the base station device specifically includes:
  • the third determining module 21 is configured to determine a feedback resource occupied by the D2D response information corresponding to the D2D discovery signal;
  • the second receiving module 22 is configured to receive D2D response information that is sent by the receiving end UE on the feedback resource, where the D2D response information is that the receiving end UE receives the D2D discovery according to the physical resource occupied by the D2D discovery signal. The reception result of the signal is generated and transmitted.
  • the third determining module 21 is specifically configured to determine, as a feedback resource occupied by the D2D response information corresponding to the D2D discovery signal, the resource that is not related to the sequence information of the physical resource and/or the physical resource occupied by the D2D discovery signal; or, use D2D
  • the sequence information of the physical resource and/or the physical resource occupied by the discovery signal is used to calculate the feedback resource occupied by the D2D response information corresponding to the D2D discovery signal.
  • the base station device further includes: a second sending module 23, configured to determine, as a D2D discovery, a resource that is independent of sequence information of physical resources and/or physical resources occupied by the D2D discovery signal After the feedback resource occupied by the D2D response information corresponding to the signal is used, after determining the feedback resource occupied by the D2D response information corresponding to the D2D discovery signal, the indication information of the feedback resource occupied by the D2D response information is sent to the receiving end by using downlink signaling.
  • a second sending module 23 configured to determine, as a D2D discovery, a resource that is independent of sequence information of physical resources and/or physical resources occupied by the D2D discovery signal After the feedback resource occupied by the D2D response information corresponding to the signal is used, after determining the feedback resource occupied by the D2D response information corresponding to the D2D discovery signal, the indication information of the feedback resource occupied by the D2D response information is sent to the receiving end by using downlink signaling.
  • the modules of the device of the present application may be integrated into one or may be deployed separately.
  • the above modules can be combined into one module, or can be further split into multiple sub-modules.
  • a user equipment UE is further provided in the embodiment of the present application. As shown in FIG. 8, the user equipment specifically includes:
  • a fourth determining module 31 configured to determine a feedback resource occupied by the D2D response information corresponding to the D2D discovery signal
  • the third receiving module 32 is configured to receive D2D response information that is sent by the receiving end UE on the feedback resource, where the D2D response information is that the receiving end UE receives the D2D discovery according to the physical resource occupied by the D2D discovery signal. The reception result of the signal is generated and transmitted.
  • the fourth determining module 31 is specifically configured to determine, as a feedback resource occupied by the D2D response information corresponding to the D2D discovery signal, the resource that is not related to the sequence information of the physical resource and/or the physical resource occupied by the D2D discovery signal; or, use D2D
  • the sequence information of the physical resource and/or the physical resource occupied by the discovery signal is used to calculate the feedback resource occupied by the D2D response information corresponding to the D2D discovery signal.
  • the user equipment further includes: a third sending module 33, configured to: when determining, as a feedback resource occupied by the D2D response information corresponding to the D2D discovery signal, the resource that is not related to the sequence information of the physical resource and/or the physical resource occupied by the D2D discovery signal , in determining the D2D discovery signal After the feedback resource occupied by the corresponding D2D response information, the indication information of the feedback resource occupied by the D2D response information is sent to the receiving end UE by using control signaling; or the feedback resource occupied by the D2D response information is used. The indication information is carried in the D2D discovery signal and sent to the receiving UE.
  • the modules of the device of the present application may be integrated into one or may be deployed separately.
  • the above modules can be combined into one module, or can be further split into multiple sub-modules.
  • the present application can be implemented by means of software plus a necessary general hardware platform, and can also be implemented by hardware, but in many cases, the former is better.
  • Implementation Based on such understanding, the technical solution of the present application, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium, including a plurality of instructions for causing a A computer device (which may be a personal computer, server, or network device, etc.) performs the methods described in various embodiments of the present application.
  • modules in the apparatus in the embodiments may be distributed in the apparatus of the embodiment according to the embodiment, or may be correspondingly changed in one or more apparatuses different from the embodiment.
  • the modules of the above embodiments may be combined into one module, or may be further split into a plurality of sub-modules.
  • the device includes a memory 40, a processor 41 in communication with the memory 40, and an interface 42.
  • the memory 40 is configured to store a first determining instruction 401, a first receiving instruction 402, and an generating instruction 403, which are executable by the processor 41, and a second
  • the designation 404 and the first send command 405 are determined.
  • the first determining instruction 401 is used to indicate that a physical resource occupied by the device to the device D2D discovery signal is determined; the first receiving instruction 402 is used to indicate that the interface 42 is The D2D discovery signal is received on the physical resource; the generating instruction 403 is configured to generate D2D response information according to the receiving result of the D2D discovery signal; and the second determining instruction 404 is used to indicate determining the feedback resource occupied by the D2D response information;
  • the first sending instruction 405 is configured to instruct to send the D2D response information on the feedback resource through the interface 42.
  • the base station device specifically includes a memory 50, a processor 51 that communicates with the memory 50, and an interface 52.
  • the memory 50 is for storing a third determination instruction 501 that can be executed by the processor 51, and a second reception instruction 502.
  • the third determining instruction 501 is used to indicate a feedback resource that is used by the D2D response information corresponding to the D2D discovery signal; and the second receiving instruction 502 is used to indicate that the interface 52 is used. And receiving the D2D response information that is sent by the receiving end UE on the feedback resource, where the D2D response information is generated by the receiving end UE according to the receiving result of receiving the D2D discovery signal on the physical resource occupied by the D2D discovery signal, and Sent.
  • the memory 50 further stores a second transmit instruction executable by the processor 51
  • the third determining instruction 501 and the The function of the second sending instruction 503 is the same as that of the foregoing embodiment 5, and details are not described herein again.
  • the user equipment UE is further provided in the embodiment of the present application. As shown in FIG. 11, the user equipment specifically includes a memory 60, a processor 61 that communicates with the memory 60, and an interface 62. .
  • the memory 60 is for storing a fourth determination instruction 601 and a third reception instruction 602 that are executable by the processor 61.
  • the fourth determining instruction 601 is used to indicate that the feedback resource occupied by the D2D response information corresponding to the D2D discovery signal is determined; and the third receiving instruction 602 is used to indicate that the receiving end is received.
  • the memory 60 further includes a third transmit command executable by the processor
  • the fourth determining instruction 601 and the third sending instruction 603 when executed by the processor 61, perform the same functions as the sixth embodiment described above, and details are not described herein again.

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Abstract

本申请公开了一种D2D响应信息的传输方法和设备，该方法包括：接收端用户设备UE确定D2D发现信号占用的物理资源；所述接收端UE在所述物理资源上接收D2D发现信号；所述接收端UE根据D2D发现信号的接收结果生成D2D响应信息；所述接收端UE确定D2D响应信息所占用的反馈资源，并在所述反馈资源上发送所述D2D响应信息。本申请实施例中，UE在接收D2D发现信号时，会根据D2D发现信号的接收结果生成D2D响应信息，并在反馈资源上发送D2D发现信号对应的D2D响应信息，从而使得基站设备或者发送端 UE能够知道发送端UE和接收端UE之间是否能够进 D2D通信，继而完成发送端UE和接收端UE之间的D2D通信配对。

Description

一种 D2D响应信息的传输方法和设备 本申请要求于 2013年 3月 25日提交中国专利局、 申请号为 201310097796.2、 发明名称为 "一种 D2D响应信息的传输方法和设备" 的中国专利申请的优先权， 其全部内容通过引用结合在本申请中。 技术领域
本申请涉及通信技术领域，尤其是涉及一种 D2D ( Device to Device, 设备到设备）响应信息的传输方法和设备。 发明背景
在传统的蜂窝通信技术中， 两个 UE ( User Equipment, 用户设备 ) 之间的语音和数据等业务需要经过各自驻留的 eNB (即基站设备） 以及 核心网进行交互。 发明内容
本申请实施例提供一种 D2D响应信息的传输方法和设备， 以使得基 站设备或者发送端 UE知道发送端 UE和接收端 UE之间是否能够进行 D2D 通信。
为了达到上述目的， 本申请实施例提供一种设备到设备 D2D响应信 息的传输方法， 包括：
接收端用户设备 UE确定 D2D发现信号占用的物理资源；
所述接收端 UE在所述物理资源上接收 D2D发现信号；
所述接收端 UE根据 D2D发现信号的接收结果生成 D2D响应信息； 所述接收端 UE确定 D2D响应信息所占用的反馈资源，并在所述反馈 资源上发送所述 D2D响应信息。
本申请实施例提供一种用户设备 UE, 包括：
第一确定模块，用于确定设备到设备 D2D发现信号占用的物理资源； 第一接收模块， 用于在所述物理资源上接收 D2D发现信号； 生成模块， 用于根据 D2D发现信号的接收结果生成 D2D响应信息； 第二确定模块， 用于确定 D2D响应信息所占用的反馈资源； 第一发送模块， 用于在所述反馈资源上发送所述 D2D响应信息。 本申请实施例提供一种设备到设备 D2D响应信息的传输方法，包括： 基站设备确定 D2D发现信号对应的 D2D响应信息所占用的反馈资 源；
所述基站设备接收接收端 UE在所述反馈资源上发送的 D2D响应信 息； 其中， 所述 D2D响应信息为所述接收端 UE根据在 D2D发现信号占用 的物理资源上接收 D2D发现信号的接收结果生成并发送的。
本申请实施例提供一种基站设备， 包括：
第三确定模块， 用于确定 D2D发现信号对应的 D2D响应信息所占用 的反馈资源；
第二接收模块，用于接收接收端 UE在所述反馈资源上发送的 D2D响 应信息； 其中， 所述 D2D响应信息为所述接收端 UE根据在 D2D发现信号 占用的物理资源上接收 D2D发现信号的接收结果生成并发送的。
本申请实施例提供一种设备到设备 D2D响应信息的传输方法，包括： 发送端 UE确定 D2D发现信号对应的 D2D响应信息所占用的反馈资 所述发送端 UE接收接收端 UE在所述反馈资源上发送的 D2D响应信 息； 其中， 所述 D2D响应信息为所述接收端 UE根据在 D2D发现信号占用 的物理资源上接收 D2D发现信号的接收结果生成并发送的。
本申请实施例提供一种用户设备， 包括：
第四确定模块， 用于确定 D2D发现信号对应的 D2D响应信息所占用 的反馈资源；
第三接收模块，用于接收接收端 UE在所述反馈资源上发送的 D2D响 应信息； 其中， 所述 D2D响应信息为所述接收端 UE根据在 D2D发现信号 占用的物理资源上接收 D2D发现信号的接收结果生成并发送的。
与现有技术相比， 本申请实施例至少具有以下优点： 本申请实施例 中， 接收端 UE在接收 D2D发现信号时， 会根据 D2D发现信号的接收结果 生成 D2D响应信息， 并在反馈资源上发送 D2D发现信号对应的 D2D响应 信息， 从而使得基站设备或者发送端 UE能够知道发送端 UE和接收端 UE 之间是否能够进行 D2D通信， 继而完成发送端 UE和接收端 UE之间的 D2D通信配对。 附图简要说明
为了更加清楚地说明本申请的技术方案， 下面将对实施例描述中所 需要使用的附图作筒单地介绍， 显而易见地， 下面描述中的附图仅仅是 本申请的一些实施例， 对于本领域普通技术人员来讲， 在不付出创造性 劳动的前提下， 还可以根据这些附图获得其它的附图。
图 1是本申请实施例一中提出的接收端 UE处理时的 D2D响应信息的 传输方法流程示意图；
图 2是本申请实施例一中提出的基站设备处理时的 D2D响应信息的 传输方法流程示意图； 图 3是本申请实施例一中提出的发送端 UE处理时的 D2D响应信息的 传输方法流程示意图；
图 4是本申请实施例二中提出的 D2D响应信息的传输方法流程示意 图；
图 5是本申请实施例三中提出的 D2D响应信息的传输方法流程示意 图；
图 6是本申请实施例四提出的用户设备的结构示意图；
图 7是本申请实施例五提出的基站设备的结构示意图；
图 8是本申请实施例六提出的另一种用户设备的结构示意图； 图 9是本申请实施例七提出的用户设备的结构示意图；
图 10是本申请实施例八提出的基站设备的结构示意图；
图 11是本申请实施例九提出的另一种用户设备的结构示意图。 实施本发明的方式
下面将结合本申请中的附图， 对本申请中的技术方案进行清楚、 完 整地描述， 显然， 所描述的实施例仅仅是本申请的一部分实施例， 而不 是全部的实施例。 基于本申请中的实施例， 本领域普通技术人员在没有 做出创造性劳动前提下所获得的所有其它实施例， 都属于本申请保护的 范围。
D2D技术（即终端直通技术）是指邻近的 UE可以在近距离范围内， 通过直连链路直接进行数据传输的方式， 不需要通过中心节点（即 eNB ) 进行转发。
D2D技术本身的短距离通信特点和直接通信方式使其具有如下优 势： （ 1 ) UE近距离直接通信可实现较高的数据速率、较低的延迟和较低 的功耗； （2 ) 利用网络中广泛分布的 UE和 D2D通信链路的短距离特点， 可以实现频谱资源的有效利用； （3 ) D2D的直接通信方式能够适应如无 线 P2P等业务的本地数据共享需求， 并提供具有灵活适应能力的数据服 务； （4 ) D2D直接通信能够利用网络中数量庞大且分布广泛的 UE, 拓展 网络的覆盖范围。
在 LTE ( Long Term Evolution, 长期演进）系统中， D2D技术是指工 作在 LTE授权频段上， 受 LTE系统控制的 D2D通信过程； 其充分发挥 D2D 技术优势， 且 LTE系统的控制可以克服传统 D2D技术的一些问题， 如干 扰不可控等。 另外， D2D通信也可以在非 LTE授权频段上， 或者在没有 LTE系统控制的情况下工作，此时， UE之间的 D2D通信由自发组织完成， 没有基站设备协助控制。
D2D通信过程包括 D2D发现和 D2D通信； UE通过 D2D发现信号来发 现其邻近的其它 UE, 并在建立 D2D连接后进行数据通信； 在网络覆盖范 围内， D2D发现信号所使用的资源由基站设备通知给发送端 UE和接收端 UE, 继而使得发送端 UE和接收端 UE能够使用基站设备配置的资源进行 发现。 此外， 在网络覆盖范围之外， D2D发现信号所使用的资源也可能 是预定义的资源， 也可以是由其中某个 UE所分配的资源。
发送端 UE在基站设备配置的资源上发送 D2D发现信号，多个接收端 UE可以同时在该资源上接收 D2D发现信号， 以发现该发送端 UE; 此外， 发送端 UE还可以在基站设备配置资源外的其它资源上， 接收其它 UE的 D2D发现信号。 发送端 UE需要在一个 OFDM ( Orthogonal Frequency Division Multiplexing, 正交频分复用）符号上发送 D2D发现信号， 并需 要在至少一个其它的 OFDM符号上接收其它 UE的 D2D发现信号。
由于射频的限制， UE在发送 D2D发现信号和接收 D2D发现信号之间 需要一定的转换时间 （20us ), 因此， 发送端 UE在一个 OFDM符号上发 送 D2D发现信号时， 该 OFDM符号两侧的 OFDM符号不能用于接收其它 UE的 D2D发现信号， 而只能作为收发转换的保护间隔。
实施例一
本申请实施例提供一种 D2D响应信息的传输方法，该方法可以应用 于包括基站设备的系统（此时为发送端 UE、接收端 UE和基站设备三方 之间的通信过程）或者不包括基站设备的系统（此时为发送端 UE和接 收端 UE两方之间的通信过程）； 进一步的， 本申请实施例提出的 D2D 响应信息的传输方法可以使得接收端 UE在接收 D2D发现信号时，能够 根据 D2D发现信号的接收结果生成 D2D响应信息， 并在反馈资源上发 送 D2D发现信号对应的 D2D响应信息给发送端 UE或者基站设备， 从 而使得发送端 UE或者基站设备能够知道发送端 UE和接收端 UE之间 是否能够进行 D2D通信，继而完成发送端 UE和接收端 UE之间的 D2D 通信配对。 如图 1所示， 该 D2D响应信息的传输方法包括以下步骤： 步骤 101 , UE (即接收端 UE )确定 D2D发现信号占用的物理资源。 本申请实施例中， UE确定 D2D发现信号占用的物理资源， 具体包 括： UE接收来自基站设备的 D2D发现信号占用物理资源的指示信息， 并利用该指示信息确定 D2D发现信号占用的物理资源； 或者， UE (接 收端 UE )接收来自发送端 UE的 D2D发现信号占用物理资源的指示信 息， 并利用该指示信息确定 D2D发现信号占用的物理资源； 或者， UE 通过在多个物理资源上分别检测是否收到 D2D发现信号， 以确定 D2D 发现信号占用的物理资源。
在一种具体实现方式中，基站设备需要配置发送端 UE发送 D2D发 现信号所占用的物理资源，并将 D2D发现信号占用的物理资源的指示信 息通知给发送端 UE和接收端 UE; 由发送端 UE利用该指示信息确定 D2D发现信号占用的物理资源， 继而进行 D2D发现信号的发送； 并由 接收端 UE利用该指示信息确定 D2D发现信号占用的物理资源，继而进 行 D2D发现信号的接收。
在另一种具体的实现方式中，发送端 UE可以自身配置 D2D发现信 号所占用的物理资源， 在该物理资源上发送 D2D发现信号， 并将 D2D 发现信号占用的物理资源的指示信息通知给接收端 UE; 由接收端 UE 利用该指示信息确定 D2D发现信号占用的物理资源， 继而进行 D2D发 现信号的接收。
在另一种具体实现方式中， 基站设备需要配置发送端 UE发送 D2D 发现信号所占用的物理资源，并将 D2D发现信号占用的物理资源的指示 信息通知给发送端 UE; 由发送端 UE利用该指示信息确定 D2D发现信 号占用的物理资源， 继而进行 D2D发现信号的发送； 进一步， 接收端 UE通过在多个物理资源上分别检测是否收到 D2D发现信号， 以确定 D2D发现信号占用的物理资源。
步骤 102, UE在 D2D发现信号占用的物理资源上接收 D2D发现信 号。其中，发送端 UE需要在 D2D发现信号占用的物理资源上发送 D2D 发现信号， 且接收端 UE需要在 D2D发现信号占用的物理资源上接收 D2D发现信号。
步骤 103, UE根据 D2D发现信号的接收结果生成 D2D响应信息。 本申请实施例中， D2D响应信息包括但不限于以下内容之一或任意 组合：
( 1 )发送 D2D发现信号的 UE (即发送端 UE ) 的标识信息； 该标 识信息可以是发送端 UE在接收端 UE需要发现的所有 UE中的索引， 如接收端 UE被基站设备配置去发现 4个 UE时， 可以使用 2比特信息 来表示这 4个 UE分别对应的标识信息； 该标识信息也可以是基站设备 给发送端 UE配置的 D2D专用 ID, 即基站设备可以为每个发送端 UE 配置相应的 D2D ID。
( 2 ) UE是否成功接收到 D2D发现信号的反馈信息 （基于 D2D发 现信号的接收结果确定）； 例如， 通过使用标识 1来表征 UE成功接收到 D2D发现信号， 并使用标识 0来表征 UE没有成功接收到 D2D发现信 号。
( 3 )对 D2D发现信号进行测量得到的接收功率强度信息； 例如， 接收端 UE在成功接收到 D2D发现信号之后， 通过对接收到的 D2D发 现信号进行测量， 可以得到接收功率强度信息， 该接收功率强度信息类 似于现有系统中的 RSRP ( Reference Signal Received Power, 参考符号接 收功率）信息。
( 4 ) UE (即接收端 UE )与发送 D2D发现信号的 UE (即发送端 UE )之间建立 D2D通信连接的请求， 其需要区别于现有蜂窝网的通信 连接请求。
本申请实施例中， D2D响应信息可以包括多个内容， 这多个内容是 一个发送端 UE对应的多个内容，或是多个发送端 UE对应的多个内容； 为此， 当 D2D响应信息包括多个内容时， UE生成 D2D响应信息的过 程具体包括： UE为每个内容生成包含该内容的 D2D响应信息； 或者， UE对多个内容进行联合编码， 并为联合编码后的内容生成包含该内容 的 D2D响应信息； 或者， UE对多个内容进行级联处理， 并为级联处理 后的内容生成包含该内容的 D2D响应信息； 其中， UE可按照基站设备 指示的顺序对多个内容进行级联处理或者按照基于 D2D发现信号的标 识信息确定的顺序对多个内容进行级联处理。
步骤 104, UE确定 D2D响应信息所占用的反馈资源， 并在该反馈 资源上发送 D2D响应信息， 即将 D2D响应信息发送给基站设备或者发 送端 UE。 本申请实施例中， UE (即接收端 UE )确定 D2D响应信息所占用的 反馈资源， 具体包括但不限于如下方式：
方式一、 UE接收来自基站设备的用于配置 D2D响应信息占用的反 馈资源的下行信令，并从下行信令中获得 D2D响应信息所占用的反馈资 源。
在该方式一中， 基站设备可以通过高层信令或者 DCI ( Downlink Control Information, 下行控制信息）信令等将 D2D响应信息占用的反 馈资源信息通知给 UE, 由 UE从高层信令或者 DCI信令中获得 D2D响 应信息所占用的反馈资源。 例如， 如果 D2D 响应信息需要以 PUCCH ( Physical Uplink Control Channel, 物理上行控制信道）的方式发送， 则 基站设备可以通过高层信令配置相应 PUCCH格式所用的 PUCCH资源； 如果 D2D响应信息需要以 PUSCH ( Physical Uplink Shared Channel, 物 理上行共享信道）的方式发送， 则基站设备可以通过在调度 DCI中指示 相应 PUSCH占用的资源。
方式二、 UE利用 D2D发现信号占用的物理资源和 /或物理资源的序 列信息计算 D2D发现信号对应的 D2D响应信息所占用的反馈资源。
在该方式二中， L D2D响应信息所占用的反馈资源可以通过资源 索引 n_response表示， 如 n_response可以表示 D2D响应信息所占用的 PUCCH资源， 则： n_response与 D2D发现信号占用的物理资源的起始 位置 n_low ( PRB ( Physical Resource Block, 物理资源块） 索引值）和 D2D发现信号占用的物理资源的序列标识（即 n_ID )具有对应关系： n_response = f ( n_low , n_ID )。
例如, n_response= ( floor ( n_low/N_dis ) *N_ID +n_ID ) mod N_res; 或者, n_response= ( round ( n_low/N_dis ) *N_ID +n_ID ) mod N_res; 在上述公式中， 所述 N_ID表示同样资源上进行序列复用的数目， 所述 N_dis为每个 D2D发现信号所占用的 PRB个数， 所述 N_res为 D2D响 应信息所占用的反馈资源的总大小， floor函数为下取整， round函数为 四舍五入。
需要注意的是， 如果一个 D2D发现信号由多个 UE (接收端 UE ) 接收， 且多个 UE都需要反馈 D2D响应信息， 则这多个 UE之间需要使 用不同的反馈资源； 此时， 各 UE从 D2D发现信号的物理资源和 /或物 理资源的序列信息中得到的是一块资源或者一个资源的起始位置； 即 n_response是一个资源的索引， 或表示一块资源的起始位置， 或一个资 源编号， 每个资源编号映射一块资源。
方式三、 UE利用 D2D发现信号中携带的资源信息获得 D2D发现信 号对应的 D2D响应信息所占用的反馈资源。
在该方式三中， 当 D2D发现信号中携带的资源信息包含 D2D响应 信息占用的反馈资源的索引值 n_response时，利用 D2D发现信号中携带 的 n_response确定 D2D响应信息占用的反馈资源； 当 D2D发现信号中 携带的资源信息包含 D2D响应信息占用的反馈资源的起始位置时，利用 D2D发现信号中携带的起始位置以及相关信息 （如 D2D ID )确定 D2D 响应信息占用的反馈资源。
方式四、 UE (即接收端 UE )接收来自发送端 UE的用于配置 D2D 响应信息占用的反馈资源的控制信令，并从控制信令中获得 D2D响应信 息所占用的反馈资源。
在该方式四中， 发送端 UE可以通过高层信令或者 DCI信令等将 D2D响应信息占用的反馈资源信息通知给接收端 UE, 由接收端 UE从 高层信令或者 DCI信令中获得 D2D响应信息所占用的反馈资源。例如， 如果 D2D响应信息需要以 PUCCH的方式发送， 则发送端 UE可以通过 高层信令配置相应 PUCCH格式所用的 PUCCH资源； 如果 D2D响应信 息需要以 PUSCH的方式发送， 则发送端 UE可以通过在调度 DCI中指 示相应 PUSCH占用的资源。
本申请实施例中， UE在反馈资源上发送 D2D发现信号对应的 D2D 响应信息， 具体包括但不限于如下方式：
方式一、 UE (即接收端 UE )在反馈资源上一次性地发送 D2D发现 信号对应的 D2D响应信息； 即 UE在反馈资源上一次性地将 D2D发现 信号对应的 D2D响应信息发送给基站设备或者发送端 UE; 例如， 接收 端 UE在成功发现发送端 UE之后， 通过 PUCCH资源一次性地将 D2D 发现信号对应的 D2D响应信息 （即成功接收到 D2D发现信号的反馈信 息以及测量得到的接收功率强度信息）发送给基站设备。
方式二、 UE (即接收端 UE )在反馈资源上周期性地发送 D2D发现 信号对应的 D2D响应信息， 直到成功接收到 D2D发现信号为止（即成 功发现发送 D2D发现信号的 UE );即 UE在反馈资源上周期性地将 D2D 发现信号对应的 D2D响应信息发送给基站设备或者发送端 UE, —直到 成功发现发送 D2D发现信号的 UE; 例如， UE在基站设备配置的物理 资源接收 D2D发现信号， 如果没有成功接收到 D2D发现信号， 则周期 性反馈 D2D发现信号对应的 D2D响应信息（即没有成功接收到 D2D发 现信号的反馈信息）， 一旦 UE成功接收到 D2D发现信号， 则将成功接 收到 D2D发现信号的反馈信息发送给基站设备， 并释放相应的反馈资 源。
方式三、 UE (即接收端 UE )在成功接收到 D2D发现信号之后， 在 反馈资源上周期性地发送 D2D发现信号对应的 D2D响应信息； 即 UE 在反馈资源上周期性地将 D2D发现信号对应的 D2D响应信息发送给基 站设备或者发送端 UE; 例如， 无论 UE是否成功收到 D2D发现信号， 均采用类似 PUCCH format2 (格式 2 ) 的方式周期性在 PUCCH中上报 D2D响应信息。
方式四、 UE (即接收端 UE )在接收到基站设备或者发送端 UE的 响应触发指令后， 在反馈资源上发送 D2D发现信号对应的 D2D响应信 息； 即 UE在接收到基站设备或发送端 UE的响应触发指令后， 在反馈 资源上将 D2D发现信号对应的 D2D响应信息发送给基站设备或者发送 端 UE;例如，基站设备通过 DCI调度用于发送 D2D响应信息的 PUSCH 传输， UE通过指示的 PUSCH资源反馈 D2D响应信息； 或者， 基站设 备通过一些特定事件触发 UE进行 D2D响应信息的层上报， UE在受到 特定事件触发后， 反馈 D2D响应信息。
本申请实施例中， UE可以在反馈资源上通过物理层信令发送 D2D 响应信息； 或者， UE可以在反馈资源上通过高层信令发送 D2D响应信 息。
本申请实施例中， 基站设备需要在相应的反馈资源上接收来自 UE 的 D2D响应信息， 当基站设备从该 D2D响应信息中获知接收端 UE已 经成功接收到发送端 UE的 D2D发现信号时， 将 D2D响应信息中的部 分或者全部内容通知给发送端 UE;发送端 UE在收到该通知后，可以停 止发送 D2D发现信号。
上述过程为针对接收端 UE的处理过程， 本申请实施例中， 对于发 送端 UE的处理以及基站设备的处理， 还可以包括如下过程：
如图 2所示， 为针对基站设备的处理过程示意图。
步骤 201 , 基站设备确定发送端 UE发送 D2D发现信号所占用的物 理资源，并将 D2D发现信号所占用的物理资源的指示信息通知给发送端 UE, 由发送端 UE利用该指示信息确定 D2D发现信号所占用的物理资 源， 并在该 D2D发现信号所占用的物理资源上进行 D2D发现信号的发 送。 进一步的，基站设备还可以将 D2D发现信号占用的物理资源的指示 信息通知给接收端 UE, 由接收端 UE利用该指示信息确定 D2D发现信 号占用的物理资源， 并在该 D2D发现信号占用的物理资源上进行 D2D 发现信号的接收。
步骤 202, 基站设备确定 D2D发现信号对应的 D2D响应信息所占 用的反馈资源， 以及接收该接收端 UE在该反馈资源上发送的 D2D响应 信息； 其中， 所述 D2D响应信息为接收端 UE根据在 D2D发现信号占 用的物理资源上接收 D2D发现信号的接收结果生成并发送的。
具体的， 基站设备确定 D2D发现信号对应的 D2D响应信息所占用 的反馈资源的过程， 包括但不限于如下方式：基站设备确定与 D2D发现 信号占用的物理资源和 /或物理资源的序列信息无关的资源作为 D2D发 现信号对应的 D2D 响应信息所占用的反馈资源； 或者， 基站设备利用 D2D发现信号占用的物理资源和 /或物理资源的序列信息计算 D2D发现 信号对应的 D2D响应信息所占用的反馈资源。
进一步的， 在基站设备确定与 D2D发现信号占用的物理资源和 /或 物理资源的序列信息无关的资源作为 D2D发现信号对应的 D2D响应信 息所占用的反馈资源时， 基站设备确定 D2D发现信号对应的 D2D响应 信息所占用的反馈资源之后，基站设备还可以将 D2D响应信息所占用的 反馈资源的指示信息发送给接收端 UE,由接收端 UE利用该指示信息确 定 D2D响应信息所占用的反馈资源。
具体的，基站设备将 D2D响应信息所占用的反馈资源的指示信息通 过下行信令发送给接收端 UE; 或者， 基站设备将 D2D响应信息所占用 的反馈资源的指示信息发送给发送端 UE, 由发送端 UE将 D2D响应信 息所占用的反馈资源的指示信息携带在 D2D发现信号中发送给接收端 UE。 如图 3所示， 为针对发送端 UE的处理过程示意图。
步骤 301 , 发送端 UE确定自身发送 D2D发现信号所占用的物理资 源， 并在该 D2D发现信号所占用的物理资源上进行 D2D发现信号的发 送。
进一步的，发送端 UE可以将 D2D发现信号占用的物理资源的指示 信息通知给接收端 UE, 由接收端 UE利用该指示信息确定 D2D发现信 号占用的物理资源， 并在该 D2D发现信号占用的物理资源上进行 D2D 发现信号的接收。
步骤 302,发送端 UE确定 D2D发现信号对应的 D2D响应信息所占 用的反馈资源，并接收该接收端 UE在该反馈资源上发送的 D2D响应信 息； 其中， 所述 D2D响应信息为所述接收端 UE根据在 D2D发现信号 占用的物理资源上接收 D2D发现信号的接收结果生成并发送的。
具体的， 发送端 UE确定 D2D发现信号对应的 D2D响应信息所占 用的反馈资源， 包括但不限于如下方式： 发送端 UE确定与 D2D发现信 号占用的物理资源和 /或物理资源的序列信息无关的资源作为 D2D发现 信号对应的 D2D响应信息所占用的反馈资源； 或者， 发送端 UE利用 D2D发现信号占用的物理资源和 /或物理资源的序列信息计算 D2D发现 信号对应的 D2D响应信息所占用的反馈资源。
进一步的， 在发送端 UE确定与 D2D发现信号占用的物理资源和 / 或物理资源的序列信息无关的资源作为 D2D发现信号对应的 D2D响应 信息所占用的反馈资源时， 发送端 UE确定 D2D发现信号对应的 D2D 响应信息所占用的反馈资源之后，发送端 UE还可将 D2D响应信息所占 用的反馈资源的指示信息发送给接收端 UE,由接收端 UE利用该指示信 息确定 D2D响应信息所占用的反馈资源。
具体的，发送端 UE通过控制信令将 D2D响应信息所占用的反馈资 源的指示信息发送给接收端 UE; 或者， 发送端 UE将 D2D响应信息所 占用的反馈资源的指示信息携带在 D2D发现信号中发送给接收端 UE。
综上所述， 接收端 UE在接收 D2D发现信号时， 会根据 D2D发现 信号的接收结果生成 D2D响应信息， 并在反馈资源上发送 D2D发现信 号对应的 D2D响应信息，使得基站设备或者发送端 UE能够知道发送端 UE和接收端 UE之间是否能够进行 D2D通信， 并获知发送端 UE和接 收端 UE之间的邻近情况和信道质量，继而完成发送端 UE和接收端 UE 之间的 D2D通信配对， 进行 D2D通信的调度。 进一步的， 基站设备可 将 D2D响应信息发送给发送端 UE, 使得发送端 UE在被发现的同时发 现另一个 UE, 可以发起 D2D通信请求。
下面以 UE A代表发送端 UE, UE B代表接收端 UE为例， 对本申 请实施例提供的技术方案进行进一步的阐述。
实施例二
本申请实施例二提供一种 D2D响应信息的传输方法， 如图 4所示， 该方法包括以下步骤：
步骤 401 , 基站设备需要配置 UE A发送 D2D发现信号所占用的物 理资源， 并将该 D2D发现信号占用的物理资源的指示信息通知给 UE A 和 UE B; 之后， 由 UE A利用该指示信息确定 D2D发现信号占用的物 理资源， 继而可以进行 D2D发现信号的发送； 并由 UE B利用该指示信 息确定 D2D发现信号占用的物理资源， 继而可以进行 D2D发现信号的 接收。
其中，该 D2D发现信号所占用的物理资源在时域上是周期性的物理 资源，以使 UE A周期性发送 D2D发现信号，并使 UE B周期性接收 D2D 发现信号。
需要注意的是，基站设备在指示 D2D发现信号所占用的物理资源给 UE B时，还可以同时指示 D2D响应信息所占用的反馈资源，该 D2D发 现信号所占用的物理资源和 D2D 响应信息所占用的反馈资源可以一起 指示给 UE B, 或者单独指示给 UE B; 假设 D2D响应信息通过 PUCCH 的格式进行上报， 相应周期性的 PUCCH资源由基站设备进行配置， 比 如基站设备配置 PUCCH资源的内容包括： 子帧周期、 起始子帧、 子帧 内的频域和码域资源位置等。
步骤 402, UE A在 D2D发现信号占用的物理资源上发送 D2D发现 信号， 且 UE B在 D2D发现信号占用的物理资源上接收 D2D发现信号。
步骤 403, UE B根据 D2D发现信号的接收结果生成 D2D响应信息， 该 D2D响应信息中包括 UE B是否成功接收到 UE A的 D2D发现信号的 1比特反馈信息（比如发现成功则为 1 , 发现失败则为 0 ); 此外， 当 UE B需要发现多个 UE时， 需要分别生成各自 D2D发现信号对应的 D2D 响应信息。
步骤 404, UE B确定 D2D响应信息所占用的反馈资源为基站设备 所指示的反馈资源， 并在该基站设备指示的反馈资源上周期性地反馈 D2D响应信息； 其中， 该 D2D响应信息中包括 UE B需要发现的所有 D2D发现信号对应的响应信息， 且多个 D2D发现信号对应的 D2D响应 信息按照 D2D发现信号的标识索引信息的顺序进行级联后， 在同一个 PUCCH格式中反馈。
需要注意的是，如果合并的 D2D响应信息的内容超过 PUCCH格式 能够承载的内容， 则需要按照 D2D发现信号的优先级， 或者根据 D2D 发现信号的标识索引信息丟弃优先级较低，或者索引较低的 D2D发现信 号对应的 D2D响应信息； UE的每次周期性反馈都按照各个响应信号最 近更新的值进行反馈。
进一步的，基站设备在相应的反馈资源上接收 D2D响应信息，如果 基站设备在 D2D响应信息中发现 UE B已经正确检测到某个 UE A的信 息后， 则基站设备还需要通知 UE A其被该 UE B成功发现的信息。
实施例三
本申请实施例三提供一种 D2D响应信息的传输方法， 如图 5所示， 该方法包括以下步骤：
步骤 501 , 基站设备需要配置 UE A发送 D2D发现信号所占用的物 理资源， 并将该 D2D发现信号占用的物理资源的指示信息通知给 UE A 和 UE B; 之后， 由 UE A利用该指示信息确定 D2D发现信号占用的物 理资源， 继而可以进行 D2D发现信号的发送； 并由 UE B利用该指示信 息确定 D2D发现信号占用的物理资源， 继而可以进行 D2D发现信号的 接收。
其中，该 D2D发现信号所占用的物理资源在时域上是周期性的物理 资源，以使 UE A周期性发送 D2D发现信号，并使 UE B周期性接收 D2D 发现信号。
步骤 502, UE A在 D2D发现信号占用的物理资源上发送 D2D发现 信号， 且 UE B在 D2D发现信号占用的物理资源上接收 D2D发现信号。
步骤 503, UE B根据 D2D发现信号的接收结果生成 D2D响应信息， 该 D2D响应信息中包括 UE B是否成功接收到 D2D发现信号的反馈信 息， 以及在成功接收到 D2D发现信号后测量得到的接收功率强度信息； 之后， UE B将这两个信息进行联合编码后， 作为一个 D2D发现信号对 应的 D2D响应信息。
例如， D2D响应信息包含 4个比特， 其中指示的一个状态 0000用 于表示没有成功接收到 D2D发现信号，而其它状态表示成功接收到 D2D 发现信号时， 对 D2D发现信号进行测量得到的接收功率强度信息。
步骤 504, 基站设备通过 DCI触发 UE B使用 PUSCH进行 D2D响 应信息的反馈，该 DCI中指示了 D2D响应信息使用的 PUSCH频域资源 位置， 触发的 D2D响应信息对应的 D2D发现信号的集合。 其中， 基站 设备可以通过高层信令预先配置多个 D2D发现信号的集合，再通过 DCI 触发其中一个 D2D发现信号集合对应的 D2D响应信息； 或只配置一个 D2D发现信号的集合。
UE B在收到基站设备的触发信令后，在相应 DCI指示的 PUSCH资 源上， 发送触发信令所指示的 D2D发现信号对应的 D2D响应信息； 如 果触发信令指示多个 D2D发现信号， 则 UE B对多个 D2D发现信号对 应的 D2D响应信息进行级联后再上报给基站设备；其中，级联的顺序按 照 D2D发现信号的索引顺序，或者按照 D2D发现信号在 D2D发现信号 集合中的顺序。
进一步的，基站设备在相应的反馈资源上接收 D2D响应信息，从而 获知所述集合对应的 UE的被发现情况， 进行下一步通信的调度。
实施例四
基于与上述方法同样的构思， 本申请实施例中还提供了一种用户设 备 UE, 如图 6所示， 该设备包括：
第一确定模块 11 , 用于确定设备到设备 D2D发现信号占用的物理 资源；
第一接收模块 12, 用于在所述物理资源上接收 D2D发现信号； 生成模块 13, 用于根据 D2D发现信号的接收结果生成 D2D响应信 息；
第二确定模块 14 , 用于确定 D2D响应信息所占用的反馈资源； 第一发送模块 15 , 用于在所述反馈资源上发送所述 D2D响应信息。 所述第一确定模块 11 , 具体用于接收来自基站设备的 D2D发现信 号占用物理资源的指示信息，并利用所述指示信息确定 D2D发现信号占 用的物理资源； 或者，接收来自发送端 UE的 D2D发现信号占用物理资 源的指示信息， 利用所述指示信息确定 D2D发现信号占用的物理资源； 或者，通过在多个物理资源上分别检测是否收到 D2D发现信号， 以确定 D2D发现信号占用的物理资源。
所述生成模块 13生成的 D2D响应信息包括以下内容之一或者任意 组合： 发送所述 D2D发现信号的 UE的标识信息； 本 UE是否成功接收 到所述 D2D发现信号的反馈信息； 对所述 D2D发现信号进行测量得到 的接收功率强度信息； 本 UE与发送所述 D2D发现信号的 UE之间建立 D2D通信连接的请求。
所述生成模块 13, 具体用于当所述 D2D响应信息包括多个内容时， 为每个内容生成包含该内容的 D2D响应信息； 或，对所述多个内容进行 联合编码，并为联合编码后的内容生成包含该内容的 D2D响应信息；或， 对所述多个内容进行级联处理， 并为级联处理后的内容生成包含该内容 的 D2D响应信息。
所述第二确定模块 14,具体用于接收来自基站设备的用于配置 D2D 响应信息占用的反馈资源的下行信令，并从所述下行信令中获得 D2D响 应信息所占用的反馈资源； 或者， 接收来自发送端 UE的用于配置 D2D 响应信息占用的反馈资源的控制信令，并从所述控制信令中获得 D2D响 应信息所占用的反馈资源；或者，利用 D2D发现信号占用的物理资源和 /或物理资源的序列信息计算所述 D2D发现信号对应的 D2D响应信息所 占用的反馈资源；或者，利用 D2D发现信号中携带的资源信息获得所述 D2D发现信号对应的 D2D响应信息所占用的反馈资源。
所述第一发送模块 15,具体用于在所述反馈资源上一次性地发送所 述 D2D发现信号对应的 D2D响应信息； 或者， 在所述反馈资源上周期 性地发送所述 D2D发现信号对应的 D2D响应信息， 直到成功接收到所 述 D2D发现信号为止； 或者， 在成功接收到所述 D2D发现信号之后， 息； 或者， 在接收到基站设备或者发送端 UE的响应触发指令后， 在所 述反馈资源上发送所述 D2D发现信号对应的 D2D响应信息。
所述第一发送模块 15,具体用于在所述反馈资源上通过物理层信令 发送所述 D2D响应信息；或者在所述反馈资源上通过高层信令发送所述 D2D响应信息。
其中， 本申请装置的各个模块可以集成于一体， 也可以分离部署。 上述模块可以合并为一个模块， 也可以进一步拆分成多个子模块。
实施例五
基于与上述方法同样的构思， 本申请实施例中还提供了一种基站设 备， 如图 7所示， 该基站设备具体包括：
第三确定模块 21 , 用于确定 D2D发现信号对应的 D2D响应信息所 占用的反馈资源；
第二接收模块 22, 用于接收接收端 UE在所述反馈资源上发送的 D2D响应信息；其中，所述 D2D响应信息为所述接收端 UE根据在 D2D 发现信号占用的物理资源上接收 D2D发现信号的接收结果生成并发送 的。
所述第三确定模块 21 , 具体用于确定与 D2D发现信号占用的物理 资源和 /或物理资源的序列信息无关的资源作为 D2D 发现信号对应的 D2D响应信息所占用的反馈资源； 或者， 利用 D2D发现信号占用的物 理资源和 /或物理资源的序列信息计算所述 D2D发现信号对应的 D2D响 应信息所占用的反馈资源。
该基站设备还包括： 第二发送模块 23, 用于在确定与 D2D发现信 号占用的物理资源和 /或物理资源的序列信息无关的资源作为 D2D发现 信号对应的 D2D响应信息所占用的反馈资源时， 在确定 D2D发现信号 对应的 D2D响应信息所占用的反馈资源之后， 将 D2D响应信息所占用 的反馈资源的指示信息通过下行信令发送给接收端 UE; 或者， 将 D2D 响应信息所占用的反馈资源的指示信息发送给发送端 UE, 由所述发送 端 UE将所述 D2D响应信息所占用的反馈资源的指示信息携带在 D2D 发现信号中发送给所述接收端 UE。
其中， 本申请装置的各个模块可以集成于一体， 也可以分离部署。 上述模块可以合并为一个模块， 也可以进一步拆分成多个子模块。
实施例六
基于与上述方法同样的构思， 本申请实施例中还提供了一种用户设 备 UE, 如图 8所示， 该用户设备具体包括：
第四确定模块 31 , 用于确定 D2D发现信号对应的 D2D响应信息所 占用的反馈资源；
第三接收模块 32, 用于接收接收端 UE在所述反馈资源上发送的 D2D响应信息；其中，所述 D2D响应信息为所述接收端 UE根据在 D2D 发现信号占用的物理资源上接收 D2D发现信号的接收结果生成并发送 的。
所述第四确定模块 31 , 具体用于确定与 D2D发现信号占用的物理 资源和 /或物理资源的序列信息无关的资源作为 D2D 发现信号对应的 D2D响应信息所占用的反馈资源； 或者， 利用 D2D发现信号占用的物 理资源和 /或物理资源的序列信息计算所述 D2D发现信号对应的 D2D响 应信息所占用的反馈资源。
该用户设备还包括： 第三发送模块 33, 用于在确定与 D2D发现信 号占用的物理资源和 /或物理资源的序列信息无关的资源作为 D2D发现 信号对应的 D2D响应信息所占用的反馈资源时， 在确定 D2D发现信号 对应的 D2D响应信息所占用的反馈资源之后，通过控制信令将所述 D2D 响应信息所占用的反馈资源的指示信息发送给接收端 UE; 或者， 将所 述 D2D响应信息所占用的反馈资源的指示信息携带在 D2D发现信号中 发送给接收端 UE。
其中， 本申请装置的各个模块可以集成于一体， 也可以分离部署。 上述模块可以合并为一个模块， 也可以进一步拆分成多个子模块。
通过以上的实施方式的描述， 本领域的技术人员可以清楚地了解到 本申请可借助软件加必需的通用硬件平台的方式来实现， 当然也可以通 过硬件来实现，但很多情况下前者是更佳的实施方式。基于这样的理解， 本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软 件产品的形式体现出来， 该计算机软件产品存储在一个存储介质中， 包 括若干指令用以使得一台计算机设备（可以是个人计算机， 服务器， 或 者网络设备等）执行本申请各个实施例所述的方法。
本领域技术人员可以理解附图只是一个优选实施例的示意图， 附图 中的模块或流程并不一定是实施本申请所必须的。
本领域技术人员可以理解实施例中的装置中的模块可以按照实施例 描述分布于实施例的装置中， 也可以进行相应变化位于不同于本实施例 的一个或多个装置中。 上述实施例的模块可以合并为一个模块， 也可以 进一步拆分成多个子模块。
上述本申请实施例序号仅仅为了描述， 不代表实施例的优劣。
实施例七
基于与上述方法同样的构思， 本申请实施例中还提供了一种用户设 备 UE, 如图 9所示， 该设备包括存储器 40, 与所述存储器 40通信的处 理器 41 , 以及接口 42。 其中， 所述存储器 40用于存储可被所述处理器 41执行的第一确定指令 401 , 第一接收指令 402, 生成指令 403 , 第二 确定指定 404以及第一发送指令 405。
当被所述处理器 41执行时，所述第一确定指令 401用于指示确定设 备到设备 D2D发现信号占用的物理资源；所述第一接收指令 402用于指 示通过所述接口 42在所述物理资源上接收 D2D发现信号； 所述生成指 令 403用于指示根据 D2D发现信号的接收结果生成 D2D响应信息； 所 述第二确定指令 404用于指示确定 D2D响应信息所占用的反馈资源；所 述第一发送指令 405用于指示通过所述接口 42在所述反馈资源上发送 所述 D2D响应信息。
具体来说， 当被所述处理器 41执行时， 所述第一确定指令 401 , 所 述生成指令 403, 所述第二确定指令 404, 所述第一发送指令 405指示 执行的功能同上述实施例四， 这里不再赘述。
实施例八
基于与上述方法同样的构思， 本申请实施例中还提供了一种基站设 备， 如图 10所示， 该基站设备具体包括存储器 50, 与所述存储器 50通 信的处理器 51 , 以及接口 52。 所述存储器 50用于存储可被所述处理器 51执行的第三确定指令 501 , 以及第二接收指令 502。
当被所述处理器 51执行时， 所述第三确定指令 501用于指示确定 D2D发现信号对应的 D2D响应信息所占用的反馈资源； 所述第二接收 指令 502用于指示通过所述接口 52接收所述接收端 UE在所述反馈资源 上发送的 D2D响应信息； 其中， 所述 D2D响应信息为所述接收端 UE 根据在 D2D发现信号占用的物理资源上接收 D2D发现信号的接收结果 生成并发送的。
所述存储器 50进一步存储可被所述处理器 51执行的第二发送指令
503。
具体来说， 当被所述处理器 51执行时，所述第三确定指令 501和第 二发送指令 503执行的功能同上述实施例五， 这里不再赘述。
实施例九
基于与上述方法同样的构思， 本申请实施例中还提供了一种用户设 备 UE, 如图 11所示， 该用户设备具体包括存储器 60, 与所述存储器 60通信的处理器 61 , 以及接口 62。 所述存储器 60用于存储可被所述处 理器 61执行的第四确定指令 601和第三接收指令 602。
当被所述处理器 61执行时， 所述第四确定指令 601用于指示确定 D2D发现信号对应的 D2D响应信息所占用的反馈资源； 所述第三接收 指令 602用于指示接收所述接收端 UE在所述反馈资源上发送的 D2D响 应信息； 其中， 所述 D2D响应信息为所述接收端 UE根据在 D2D发现 信号占用的物理资源上接收 D2D发现信号的接收结果生成并发送的。
所述存储器 60 进一步包括可被所述处理器执行的第三发送指令
603。
具体来说， 当被所述处理器 61执行，所述第四确定指令 601和所述 第三发送指令 603执行的功能同上述第六个实施例， 这里不再赘述。

Claims

权利要求书
1、一种设备到设备 D2D响应信息的传输方法， 其特征在于， 包括： 接收端用户设备 UE确定 D2D发现信号占用的物理资源；
所述接收端 UE在所述物理资源上接收 D2D发现信号；
所述接收端 UE根据 D2D发现信号的接收结果生成 D2D响应信息； 所述接收端 UE确定 D2D响应信息所占用的反馈资源，并在所述反 馈资源上发送所述 D2D响应信息。
2、 如权利要求 1 所述的方法， 其特征在于， 所述接收端用户设备 UE确定 D2D发现信号占用的物理资源， 具体包括：
所述接收端 UE接收来自基站设备的 D2D发现信号占用物理资源的 指示信息，并利用所述指示信息确定 D2D发现信号占用的物理资源；或 者，
所述接收端 UE接收来自发送端 UE的 D2D发现信号占用物理资源 的指示信息， 并利用所述指示信息确定 D2D发现信号占用的物理资源； 或者，
所述接收端 UE通过在多个物理资源上分别检测是否收到 D2D发现 信号， 以确定 D2D发现信号占用的物理资源。
3、 如权利要求 1所述的方法， 其特征在于， 所述 D2D响应信息包 括以下内容之一或者任意组合：
发送所述 D2D发现信号的 UE的标识信息；
所述接收端 UE是否成功接收到所述 D2D发现信号的反馈信息； 对所述 D2D发现信号进行测量得到的接收功率强度信息； 所述接收端 UE与发送所述 D2D发现信号的 UE之间建立 D2D通 信连接的请求。
4、 如权利要求 3所述的方法， 其特征在于， 当所述 D2D响应信息 包括多个内容时，所述接收端 UE生成 D2D响应信息的过程，具体包括： 所述接收端 UE为每个内容生成包含该内容的 D2D响应信息；或者， 所述接收端 UE对所述多个内容进行联合编码， 并为联合编码后的 内容生成包含该内容的 D2D响应信息； 或者，
所述接收端 UE对所述多个内容进行级联处理， 并为级联处理后的 内容生成包含该内容的 D2D响应信息。
5、 如权利要求 1 所述的方法， 其特征在于， 所述接收端 UE确定 D2D响应信息所占用的反馈资源， 具体包括：
所述接收端 UE接收来自基站设备的用于配置 D2D响应信息占用的 反馈资源的下行信令，并从所述下行信令中获得 D2D响应信息所占用的 反馈资源； 或者，
所述接收端 UE接收来自发送端 UE的用于配置 D2D响应信息占用 的反馈资源的控制信令,从所述控制信令中获得 D2D响应信息所占用的 反馈资源； 或者，
所述接收端 UE利用 D2D发现信号占用的物理资源和 /或物理资源 的序列信息计算所述 D2D发现信号对应的 D2D响应信息所占用的反馈 资源； 或者，
所述接收端 UE利用 D2D发现信号中携带的资源信息获得所述 D2D 发现信号对应的 D2D响应信息所占用的反馈资源。
6、 如权利要求 1所述的方法， 其特征在于， 所述接收端 UE在所述 反馈资源上发送所述 D2D响应信息， 具体包括：
所述接收端 UE在所述反馈资源上一次性地发送所述 D2D发现信号 对应的 D2D响应信息； 或者， 对应的 D2D响应信息， 直到成功接收到所述 D2D发现信号为止； 或者， 在成功接收到所述 D2D发现信号之后，所述接收端 UE在所述反馈 资源上周期性地发送所述 D2D发现信号对应的 D2D响应信息； 或者， 所述接收端 UE在接收到基站设备或者发送端 UE的响应触发指令 后， 在所述反馈资源上发送所述 D2D发现信号对应的 D2D响应信息。
7、 如权利要求 1或 6所述的方法， 其特征在于， 所述接收端 UE在 所述反馈资源上发送所述 D2D响应信息， 具体包括：
所述接收端 UE在所述反馈资源上通过物理层信令发送所述 D2D响 应信息；或者，在所述反馈资源上通过高层信令发送所述 D2D响应信息。
8、 一种用户设备 UE, 其特征在于， 包括存储器， 与所述存储器通 信的处理器， 以及接口， 其中所述存储器用于存储可被所述处理器执行 的第一确定指令， 第一接收指令， 生成指令， 第二确定指令和第一发送 指令，
当被所述处理器执行时， 所述第一确定指令用于指示确定设备到设 备 D2D发现信号占用的物理资源；
所述第一接收指令用于指示通过所述接口在所述物理资源上接收 D2D发现信号；
所述生成指令用于指示根据 D2D发现信号的接收结果生成 D2D响 应信息；
所述第二确定指令用于指示确定 D2D响应信息所占用的反馈资源； 所述第一发送指令用于指示通过所述接口在所述反馈资源上发送所 述 D2D响应信息。
9、如权利要求 8所述的用户设备， 其特征在于， 当被所述处理器执 行时， 所述第一确定指令用于指示通过所述接口接收来自基站设备的 D2D发现信号占用物理资源的指示信息，并利用所述指示信息确定 D2D 发现信号占用的物理资源； 或者， 指示通过所述接口接收来自发送端
UE的 D2D发现信号占用物理资源的指示信息， 利用所述指示信息确定 D2D发现信号占用的物理资源； 或者， 指示通过在多个物理资源上分别 检测是否收到 D2D发现信号， 以确定 D2D发现信号占用的物理资源。
10、 如权利要求 8所述的用户设备， 其特征在于， 根据所述生成指 令生成的所述 D2D响应信息包括以下内容之一或者任意组合：
发送所述 D2D发现信号的 UE的标识信息；
本 UE是否成功接收到所述 D2D发现信号的反馈信息；
对所述 D2D发现信号进行测量得到的接收功率强度信息； 本 UE与发送所述 D2D发现信号的 UE之间建立 D2D通信连接的 请求。
11、 如权利要求 10所述的用户设备， 其特征在于，
所述生成指令， 具体用于当所述 D2D响应信息包括多个内容时，指 示为每个内容生成包含该内容的 D2D响应信息； 或者，指示对所述多个 内容进行联合编码，并为联合编码后的内容生成包含该内容的 D2D响应 信息； 或者， 指示对所述多个内容进行级联处理， 并为级联处理后的内 容生成包含该内容的 D2D响应信息。
12、 如权利要求 8所述的用户设备， 其特征在于， 当被所述处理器 执行时， 所述第二确定指令用于指示通过所述接口接收来自基站设备的 用于配置 D2D响应信息占用的反馈资源的下行信令，并从所述下行信令 中获得 D2D响应信息所占用的反馈资源； 或者，
指示通过所述接口接收来自发送端 UE的用于配置 D2D响应信息占 用的反馈资源的控制信令，并从所述控制信令中获得 D2D响应信息所占 用的反馈资源； 或者，
指示利用 D2D发现信号占用的物理资源和 /或物理资源的序列信息 计算所述 D2D发现信号对应的 D2D响应信息所占用的反馈资源；或者， 指示利用 D2D发现信号中携带的资源信息获得所述 D2D发现信号 对应的 D2D响应信息所占用的反馈资源。
13、 如权利要求 8所述的用户设备， 其特征在于， 当被所述处理器 执行时， 所述第一发送指令用于指示通过所述接口在所述反馈资源上一 次性地发送所述 D2D发现信号对应的 D2D响应信息； 或者， 指示通过 所述接口在所述反馈资源上周期性地发送所述 D2D 发现信号对应的 D2D响应信息， 直到成功接收到所述 D2D发现信号为止； 或者， 在成 功接收到所述 D2D发现信号之后，指示通过所述接口在所述反馈资源上 周期性地发送所述 D2D发现信号对应的 D2D响应信息； 或者， 在接收 到基站设备或者发送端 UE的响应触发指令后， 指示通过所述接口在所 述反馈资源上发送所述 D2D发现信号对应的 D2D响应信息。
14、如权利要求 8或 13所述的用户设备， 其特征在于， 当被所述处 理器执行时， 所述第一发送指令用于指示通过所述接口在所述反馈资源 上通过物理层信令发送所述 D2D响应信息；或者，指示通过所述接口在 所述反馈资源上通过高层信令发送所述 D2D响应信息。
15、一种设备到设备 D2D响应信息的传输方法，其特征在于，包括： 基站设备确定 D2D发现信号对应的 D2D响应信息所占用的反馈资 源；
所述基站设备接收接收端 UE在所述反馈资源上发送的 D2D响应信 息； 其中， 所述 D2D响应信息为所述接收端 UE根据在 D2D发现信号 占用的物理资源上接收 D2D发现信号的接收结果生成并发送的。
16、 如权利要求 15 所述的方法， 其特征在于， 所述基站设备确定 D2D发现信号对应的 D2D响应信息所占用的反馈资源， 包括：
所述基站设备确定与 D2D发现信号占用的物理资源和 /或物理资源 的序列信息无关的资源作为 D2D发现信号对应的 D2D响应信息所占用 的反馈资源； 或者，
所述基站设备利用 D2D发现信号占用的物理资源和 /或物理资源的 序列信息计算所述 D2D发现信号对应的 D2D响应信息所占用的反馈资 源。
17、如权利要求 16所述的方法， 其特征在于， 在所述基站设备确定 与 D2D发现信号占用的物理资源和 /或物理资源的序列信息无关的资源 作为 D2D发现信号对应的 D2D响应信息所占用的反馈资源时， 所述基 站设备确定 D2D发现信号对应的 D2D响应信息所占用的反馈资源之后， 所述方法进一步包括：
所述基站设备将 D2D 响应信息所占用的反馈资源的指示信息通过 下行信令发送给接收端 UE; 或者，
所述基站设备将 D2D 响应信息所占用的反馈资源的指示信息发送 给发送端 UE, 由所述发送端 UE将所述 D2D响应信息所占用的反馈资 源的指示信息携带在 D2D发现信号中发送给所述接收端 UE。
18、 一种基站设备， 其特征在于， 包括存储器， 与所述存储器通信 第三确定指令和第二接收指令，
当被所述处理器执行时，所述第三确定指令用于指示确定 D2D发现 信号对应的 D2D响应信息所占用的反馈资源；
所述第二接收指令用于指示通过所述接口接收接收端 UE在所述反 馈资源上发送的 D2D响应信息； 其中， 所述 D2D响应信息为所述接收 端 UE根据在 D2D发现信号占用的物理资源上接收 D2D发现信号的接 收结果生成并发送的。
19、如权利要求 18所述的基站设备， 其特征在于， 当被所述处理器 执行时，所述第三确定指令用于指示确定与 D2D发现信号占用的物理资 源和 /或物理资源的序列信息无关的资源作为 D2D发现信号对应的 D2D 响应信息所占用的反馈资源； 或者，指示利用 D2D发现信号占用的物理 资源和 /或物理资源的序列信息计算所述 D2D发现信号对应的 D2D响应 信息所占用的反馈资源。
20、如权利要求 19所述的基站设备， 其特征在于， 所述存储器进一 步用于存储可被所述处理器执行的第二发送指令， 当被所述处理器执行 时，所述第二发送指令用于在指示确定与 D2D发现信号占用的物理资源 和 /或物理资源的序列信息无关的资源作为 D2D发现信号对应的 D2D响 应信息所占用的反馈资源时， 在确定 D2D发现信号对应的 D2D响应信 息所占用的反馈资源之后，指示将 D2D响应信息所占用的反馈资源的指 示信息通过下行信令发送给接收端 UE; 或者， 指示将 D2D响应信息所 占用的反馈资源的指示信息发送给发送端 UE,由所述发送端 UE将所述 D2D响应信息所占用的反馈资源的指示信息携带在 D2D发现信号中发 送给所述接收端 UE。
21、一种设备到设备 D2D响应信息的传输方法，其特征在于， 包括： 发送端 UE确定 D2D发现信号对应的 D2D响应信息所占用的反馈 资源；
所述发送端 UE接收接收端 UE在所述反馈资源上发送的 D2D响应 信息； 其中， 所述 D2D响应信息为所述接收端 UE根据在 D2D发现信 号占用的物理资源上接收 D2D发现信号的接收结果生成并发送的。
22、 如权利要求 21所述的方法， 其特征在于， 所述发送端 UE确定 D2D发现信号对应的 D2D响应信息所占用的反馈资源， 包括：
所述发送端 UE确定与 D2D发现信号占用的物理资源和 /或物理资 源的序列信息无关的资源作为 D2D发现信号对应的 D2D响应信息所占 用的反馈资源； 或者，
所述发送端 UE利用 D2D发现信号占用的物理资源和 /或物理资源 的序列信息计算所述 D2D发现信号对应的 D2D响应信息所占用的反馈 资源。
23、 如权利要求 22所述的方法， 其特征在于， 在所述发送端 UE确 定与 D2D发现信号占用的物理资源和 /或物理资源的序列信息无关的资 源作为 D2D发现信号对应的 D2D响应信息所占用的反馈资源时， 所述 发送端 UE确定 D2D发现信号对应的 D2D响应信息所占用的反馈资源 之后， 所述方法进一步包括：
所述发送端 UE通过控制信令将所述 D2D响应信息所占用的反馈资 源的指示信息发送给接收端 UE; 或者，
所述发送端 UE将所述 D2D响应信息所占用的反馈资源的指示信息 携带在 D2D发现信号中发送给接收端 UE。
24、 一种用户设备， 其特征在于， 包括存储器， 与所述存储器通信 第四确定指令和第三接收指令， 当被所述处理器执行时，
所述第四确定指令用于指示确定 D2D发现信号对应的 D2D响应信 息所占用的反馈资源；
所述第三接收指令用于指示通过所述接口接收接收端 UE在所述反 馈资源上发送的 D2D响应信息； 其中， 所述 D2D响应信息为所述接收 端 UE根据在 D2D发现信号占用的物理资源上接收 D2D发现信号的接 收结果生成并发送的。
25、如权利要求 24所述的用户设备， 其特征在于， 当被所述处理器 执行时，所述第四确定指令用于指示确定与 D2D发现信号占用的物理资 源和 /或物理资源的序列信息无关的资源作为 D2D发现信号对应的 D2D 响应信息所占用的反馈资源； 或者，指示利用 D2D发现信号占用的物理 资源和 /或物理资源的序列信息计算所述 D2D发现信号对应的 D2D响应 信息所占用的反馈资源。
26、如权利要求 25所述的用户设备， 其特征在于， 所述存储器进一 步用于存储可被所述处理器执行的第三发送指令， 当被所述处理器执行 时，所述第三发送指令用于在指示确定与 D2D发现信号占用的物理资源 和 /或物理资源的序列信息无关的资源作为 D2D发现信号对应的 D2D响 应信息所占用的反馈资源时， 在确定 D2D发现信号对应的 D2D响应信 息所占用的反馈资源之后，指示通过控制信令将所述 D2D响应信息所占 用的反馈资源的指示信息发送给接收端 UE; 或者，
指示将所述 D2D 响应信息所占用的反馈资源的指示信息携带在 D2D发现信号中发送给接收端 UE。
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