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Method of adjusting long term evolution (LTE) physics uplink share channel frequency hopping range dynamically

A physical uplink sharing and channel frequency hopping technology, which is applied in the field of dynamically adjusting the frequency hopping range of the LTE physical uplink shared channel, can solve the problems of frequency hopping gain reduction, resource waste, and inability to use frequency hopping

Inactive Publication Date: 2013-06-19
BEIJING SAMSUNG TELECOM R&D CENT +1
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0076] When the number of OFDM symbols occupied by the PDCCH in subframe n-k is less than the maximum number of symbols that the system can support (4 when the system bandwidth is 1.4MHz, and 3 in other cases), that is , there will be some RB resources It cannot be used for frequency hopping of PUSCH, so the frequency hopping area cannot be maximized, resulting in a decrease in frequency hopping gain brought by frequency hopping technology
[0077] In addition, when When some RB resources cannot be used for PUSCH, resources will be wasted; when When part of RB resources can be used for PUSCH, it will be used with Some resources are used together for non-frequency hopping PUSCH. Since the range of this part of resources is dynamically variable, the flexibility of this part of resource allocation is limited.

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  • Method of adjusting long term evolution (LTE) physics uplink share channel frequency hopping range dynamically
  • Method of adjusting long term evolution (LTE) physics uplink share channel frequency hopping range dynamically
  • Method of adjusting long term evolution (LTE) physics uplink share channel frequency hopping range dynamically

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Embodiment Construction

[0149] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0150] The present invention proposes a method for dynamically adjusting the frequency hopping range of LTE PUSCH, eNB and UE do not obtain it according to system broadcast parameters parameters, but dynamically calculated according to the number of physical resources actually occupied by PUCCH in subframe n parameters, and according to the calculated The parameter determines the frequency hopping range, and allocates PUSCH frequency hopping resources for uplink subframe n within the determined frequency hopping range, so that all RBs in each subframe except the RB resources actually occupied by PUCCH can be used for PUSCH frequency hopping, realizing The frequency hopping range of PUSCH is maximized; in addition, some RB resources can also be reser...

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Abstract

The invention provides a method of adjusting a long term evolution (LTE) physics uplink share channel frequency hopping (PUSCH) range dynamically. eNB and user equipment (UE) obtain parameters without reference in broadcasting parameters, but calculate parameters dynamically according to RB resources actually occupied by a physics uplink control channel (PUCCH) in a subframe n, decide the frequency hopping range according to calculated parameters, distribute PUSCH frequency hopping resources within the confirmed frequency hopping range for the subframe n, enable all the RB resources except the RB resources actually occupied by the PUCCH in each subframe to be used for PUSCH, and achieve dynamic adjustment and maximum of the frequency hopping range.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a method for dynamically adjusting the frequency hopping range of an LTE physical uplink shared channel. Background technique [0002] The LTE Physical Uplink Shared Channel (hereinafter referred to as PUSCH) adopts frequency hopping technology to improve uplink data transmission performance. In a single-sector scenario, frequency hopping technology can obtain frequency diversity gain and reduce the impact of interference and fading on the uplink channel; in multi-sector scenarios, frequency hopping technology can not only obtain frequency diversity gain but also play the role of interference averaging , reduce the interference between cells, and improve the overall throughput of the LTE network. The above-mentioned gains brought by the frequency hopping technology are closely related to the frequency hopping bandwidth. The larger the frequency hopping bandwidth, ...

Claims

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Application Information

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IPC IPC(8): H04W72/04
Inventor 任俊威刘伟
Owner BEIJING SAMSUNG TELECOM R&D CENT