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A technology of resource allocation and network side equipment, which is applied in the field of resource allocation and can solve problems such as the inability to realize the scheduling of data packet priorities
Active Publication Date: 2017-02-15
DATANG MOBILE COMM EQUIP CO LTD
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[0015] The present invention provides a method and device for resource allocation, which are used to solve the problem that the resource allocation method of D2D communication base station scheduling in the prior art cannot realize the scheduling based on the priority of D2D communication data packets
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Embodiment 1
[0131] Embodiment 1: The first correspondence relationship between PPP and LCG ID is configured by broadcasting.
[0132] Step 1: The base station configures the first corresponding relationship between PPP and LCG ID by broadcasting.
[0133] If the number of LCG IDs is consistent with the number of PPP levels, the base station may use a 1:1 mapping manner when configuring the correspondence between PPP and LCG IDs.
[0134] If the number of LCG IDs is less than the number of PPP levels, m:1 (m≥1) mapping needs to be considered. An example is as follows: If the number of PPP levels is 8 and the number of LCG IDs is 4, then the mapping can be performed according to 2:1, as shown in Table 1:
[0137]The base station in the embodiment of the present invention puts the first correspondence in the SIB and sends it by broadcast.
[0138] In order to support the base statio...
Embodiment 2
[0155] Embodiment 2: The corresponding relationship between PPP and LCG ID is configured through dedicated signaling.
[0156] Step 1: The base station configures the corresponding relationship between PPP and LCG ID through dedicated signaling
[0157] When the base station configures the first correspondence between the PPP and the LCG ID through dedicated signaling, the first correspondence may be the same or different for different terminals. The first correspondences corresponding to different destination addresses of the same terminal may be the same or different.
[0158] If they are the same, the base station can directly determine the first correspondence between the PPP and the LCG ID. For example, if the number of LCG IDs is consistent with the number of PPP levels, the base station may use a 1:1 mapping manner when configuring the first correspondence between PPP and LCG IDs.
[0159] However, if the number of PPP levels is greater than the number of LCG IDs, m:1...
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Abstract
The embodiment of the present invention relates to the wireless communication technology field, in particular to a resource distribution method and device used for solving the problem in the prior art that by a resource distribution mode of the device-to-device (D2D) communication base station scheduling, the data packet priority scheduling based on D2D communication can not be realized. According to the embodiment of the present invention, a network-side device notices the first correspondence relation of the priority per packet (PPP) and the LCG ID of each destination address to a terminal, and according to the first correspondence relation, the PPP corresponding to the LCG ID of each destination address in a sidelink buffer status report (BSR) MAC CE is determined; according to the determined PPP and the buffer status information corresponding to the LCG ID of each destination address in the sidelink buffer status report (BSR) MAC CE, resources are distributed to each destination address of the terminal. According to the embodiment of the present invention, the situation that resources are distributed to each destination address of the terminal according to the PPP, is realized, thereby improving the performance of a system.
Description
technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a resource allocation method and equipment. Background technique [0002] In the 3GPP (3rd Generation Partnership Project, third-generation mobile communication standardization organization) LTE (Long Term Evolution, long-term evolution) system, the method of centralized network control is adopted, that is, the uplink and downlink data of UE (User Equipment) are all in the network send and receive under control. Communication between UEs is forwarded and controlled by the network. There is no direct communication link between UEs, and UEs are not allowed to send uplink data by themselves, see Figure 1A . [0003] D2D (Device-to-Device, device-to-device), that is, user equipment direct technology, refers to the way that adjacent user equipment can transmit data through a direct link within a short distance without passing through a central node (ie, a bas...
Claims
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