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Method and apparatus for denoting physical resource

A technology for physical resources and resource indication, applied in the field of representation of physical resources, can solve problems such as large bit overhead, and achieve the effect of reducing bit overhead and improving detection performance

Active Publication Date: 2009-03-04
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] The present invention is made in consideration of the relatively large bit overhead of the physical resource representation of the semi-persistently scheduled data at present. Therefore, the main purpose of the present invention is to provide a physical resource representation method and device to solve the problems existing in the related art. the above question

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  • Method and apparatus for denoting physical resource
  • Method and apparatus for denoting physical resource
  • Method and apparatus for denoting physical resource

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] According to an embodiment of the present invention, a method for representing a physical resource is provided, which is used for representing the location of the physical resource of semi-static data. Figure 5 It is a flow chart of the representation method of physical resources according to Embodiment 1 of the method of the present invention, such as Figure 5 shown, including the following processing:

[0051] Step S502, using length-limited continuous virtual resource blocks to represent physical resource locations of semi-persistent scheduling data.

[0052] In step S502, the specific process of using the length-limited continuous virtual resource blocks to represent the physical resource positions of the semi-persistent scheduling data is: the number L of length-limited continuous virtual resource blocks allocated to the semi-persistent scheduling data CRBs and the starting position RB of continuous virtual resource blocks allocated to semi-persistently schedule...

example 1

[0057] In Example 1, the physical resource position of the uplink semi-persistent scheduling data is represented by a length-limited continuous virtual resource block representation method.

[0058] The physical resource position of uplink semi-persistent scheduling data is determined by the number of virtual resource blocks L allocated to uplink semi-persistent scheduling data CRBs and the starting position RB of the virtual resource block allocated to the uplink semi-persistent scheduling data START OK, yes L CRBs and RB START Code as follows, RIV means L CRBs and RB START The encoded result is the resource representation signaling of the uplink semi-persistent scheduling data;

[0059] L CRBs and RB START The encoding method is: when , RIV=N RB (L CRBs -1)+RB START ; Otherwise, RIV=N RB (N RB -L CRBs +1)+(N RB -1-RB START ).

[0060] In addition, the maximum number of continuous virtual resource blocks of uplink semi-persistently scheduled data physical resou...

example 2

[0062] In Example 2, the physical resource position of the downlink semi-persistent scheduling data is represented by a length-limited continuous virtual resource block representation method.

[0063] The physical resource position of the downlink semi-persistent scheduling data is determined by the number of virtual resource blocks L allocated to the downlink semi-persistent scheduling data CRBs and the starting position RB of the virtual resource block allocated to the downlink semi-persistent scheduling data START OK, yes L CRBs and RB START Code as follows, RIV means L CRBs and RB START The encoded result is the resource representation signaling of the downlink semi-persistent scheduling data;

[0064] Among them, L CRBs and RB START The specific encoding method is: when , RIV=N RB (L CRBs -1)+RB START ; Otherwise, RIV=N RB (N RB -L CRBs +1)+(N RB -1-RB START ).

[0065] The maximum number of continuous virtual resource blocks of downlink semi-persistently...

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Abstract

The invention discloses expression methods and a device of a physical resource, wherein, one of the methods comprises the steps of utilizing continuous virtual resource blocks with limited length to express the physical resource position of semi-static dispatching data. By the technical proposal, the bit overhead of physical resource expression of semi-static dispatching data is reduced, and the saved bits are used for a virtual CRC, thus effectively improving the detection performance of physical downlink control channel.

Description

technical field [0001] The present invention relates to the communication field, and in particular, to a method and device for representing physical resources. Background technique [0002] The Long Term Evolution (LTE for short) system is an important plan of the third generation partnership organization. figure 1 A schematic diagram showing a basic frame structure in an LTE system, such as figure 1 As shown, the frame structure can be divided into four levels: radio frame, half frame, subframe, time slot and symbol, wherein, the length of a radio frame is 10ms, and a radio frame is composed of two half frames, and each half The length of the frame is 5ms, one half frame is composed of 5 subframes, the length of each subframe is 1ms, and one subframe is composed of two time slots, and the length of each time slot is 0.5ms. [0003] When the LTE system adopts the conventional cyclic prefix, a time slot can contain 7 uplink / downlink symbols with a length of 66.7us, among wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/26H04Q7/38
Inventor 戴博左志松许进郝鹏
Owner ZTE CORP
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