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Predicting resource scheduling

A technology of resource blocks and scheduling time, applied in modulation carrier systems, digital transmission systems, electrical components, etc., can solve the problems of slow and slow reduction of X2 interface

Active Publication Date: 2017-03-01
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] However, the current X2 interface between base stations is very slow, with latencies on the order of 50ms and only very slowly decreasing

Method used

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Embodiment Construction

[0034] The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which specific embodiments of the invention are shown. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are given by way of example so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Throughout this description, like symbols refer to like elements.

[0035] As mentioned above, figure 1 Shown is the minimum air interface resource in an LTE communication system, which is called a resource element and consists of one OFDM subcarrier over the duration of one OFDM symbol. A resource block consists of 12 OFDM subcarriers on a 0.5 ms slot. The allocation of resource blocks is defined on a TTI of 1 ms, so the smallest scheduling unit is called a resource block pair c...

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Abstract

The invention relates to methods and nodes for scheduling resource blocks in a wireless communications network. The invention further relates to computer programs performing the methods according to the invention, and computer program products comprising computer readable medium having the computer programs embodied therein. In a first aspect of the invention, a method of a Radio Resource Management (RRM) node (11) in a first cell (12) is provided for facilitating scheduling of resource blocks for at least one mobile terminal (UE4, UE5, UE6) in a neighbouring second cell (15) of a wireless communications network (10). The method comprises predicting allocation of one or more resource blocks in a subsequent scheduling time interval to at least one mobile terminal (UE1, UE2, UE3) in the first cell, and sending information pertaining to the predicted allocation to an RRM node (14) of the neighbouring second cell.

Description

technical field [0001] The present invention relates to methods and nodes for scheduling resource blocks in a wireless communication network. The invention also relates to a computer program for carrying out the method according to the invention, and a computer program product comprising a computer-readable medium in which the computer program is embodied. Background technique [0002] Orthogonal Frequency Division Multiplexing (OFDM) modulation is employed in Long Term Evolution (LTE) communication networks, and a network element called a scheduler dynamically allocates OFDM to User Equipment (UE) for uplink or downlink transmission. resource blocks. These resource block allocations include time and frequency allocations. [0003] refer to figure 1 , the smallest physical resource in LTE is called a resource element and consists of one OFDM subcarrier over the duration of one OFDM symbol. A resource block consists of 12 OFDM subcarriers on a 0.5 ms slot. The allocation...

Claims

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Application Information

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IPC IPC(8): H04W72/04
CPCH04W72/27H04W72/29H04W72/56H04W72/541H04L27/2601H04W72/12
Inventor 史蒂文·克罗伊傅晶孙颖
Owner TELEFON AB LM ERICSSON (PUBL)
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