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A method, device and equipment for uplink and downlink frame timing

A technology of frame timing and timing difference, applied in the field of communication, can solve the problem of high peak-to-average ratio, and achieve the effect of reducing the downlink peak-to-average ratio

Active Publication Date: 2018-07-03
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The existing technology only provides a solution for avoiding excessive downlink peak-to-average ratio when configuring F-DPCH. In the scenario where DPCH is configured in downlink (for example, SRB over DCH and PS over HSPA), when TTI alignment is implemented in uplink, due to There is a fixed 1024 chip difference between the uplink and downlink, which leads to the alignment of the downlink, and the peak-to-average ratio is still too high.

Method used

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  • A method, device and equipment for uplink and downlink frame timing
  • A method, device and equipment for uplink and downlink frame timing
  • A method, device and equipment for uplink and downlink frame timing

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Embodiment Construction

[0029]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

[0030] Please refer to the attached figure 2 , is a schematic flow chart of a method for configuring a downlink dedicated physical channel DPCH time slot format provided by an embodiment of the present invention, and its executor may be a base station or an evolved base station (evoluted NodeB, eNB) in a Long Term Evolution (Long Term Evolution, LTE) system. attached figure 2 The exemplary method mainly includes step S201 and step S202, detailed description is as follows:

[0031] S201, the base stati...

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Abstract

An embodiment of the invention provides a method, an apparatus and equipment for configuring a downlink dedicated physical channel (DPCH) slot format in order to reduce a downlink peak-to-average ratio. The method comprises: a base station receives a configuration instructed by a radio network controller (RNC), and the configuration is a DPCH slot format index; the base station determines a DPCH slot format according to a slot format map and the DPCH slot format index, and the slot format map comprises a slot format index and a slot format mapping relation. As the configuration instructed by the RNC is the DPCH slot format index and the base station determines the DPCH slot format according to the slot format map and the DPCH slot format index, even when uplink transmission time intervals are aligned, downlink transmission time intervals for a downlink DPCH are not aligned, so that the downlink peak-to-average ratio is greatly reduced.

Description

technical field [0001] The present invention relates to the field of communication, in particular to a downlink dedicated physical channel DPCH time slot format configuration method, device and equipment. Background technique [0002] Among the various channels of the mobile communication system, the downlink (DownLink, DL) dedicated physical channel (Dedicated Physical CHannel, DPCH) includes the downlink dedicated physical data channel (Dedicated Physical DataCHannel, DPDCH) and the dedicated physical control channel (Dedicated Physical Control CHannel, DPCCH) ), DPDCH and DPCCH are time-division multiplexed, which occupy the same slot (slot) in a radio frame (radio frame), as attached Figure 1-a shown. The length of a wireless frame is 10ms, each wireless frame contains 15 time slots, each time slot contains data 1 (Data1), transmit power control (Transmission Power Control, TPC) command, transport format combination indicator (Transport Format Combination Indicator) , ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04
CPCH04L5/0078H04L27/2611H04L27/2614
Inventor 冯莉郑潇潇马雪利郭房富
Owner HUAWEI TECH CO LTD
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