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Resource distribution method and device for physical uplink shared channel

A technology of physical uplink sharing and resource allocation device, applied in the field of communication, can solve problems such as system performance degradation, and achieve the effect of improving performance

Inactive Publication Date: 2013-07-17
POTEVIO INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the phases of each subcarrier are the same or close, the superimposed signal will be modulated by the same initial phase signal, resulting in a large instantaneous power peak, resulting in a high peak-to-average ratio (PAPR), which further leads to a decrease in the performance of the entire system

Method used

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  • Resource distribution method and device for physical uplink shared channel
  • Resource distribution method and device for physical uplink shared channel
  • Resource distribution method and device for physical uplink shared channel

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Embodiment Construction

[0043] In order to make the object, technical solution and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0044] In the embodiment of the present invention, each subband combines the phase factor to configure the PUSCH demodulation reference signal in the subframe, which solves the problem of high PAPR due to simple interpolation to obtain similar subcarriers in the prior art, thereby improving the overall system performance. Regardless of the single-subband or multi-subband working mode, only one ZC base sequence needs to be generated, which greatly reduces the computational complexity of the sending end and the receiving end.

[0045] See attached figure 1 It is a schematic flow chart of the PUSCH resource allocation method, which specifically includes the following steps:

[0046] Step 101, the PUSCH of the multi-subband UE occupies ...

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Abstract

A resource distribution method for a physical uplink shared channel is characterized by comprising the steps of enabling the physical uplink shared channel (PUSCH) of multi-subband user equipment (UE) to occupy symbols 4-8 of a subframe 2, a subframe 3 and a subframe 4; configuring PUSCH demodulation reference signals in the subframes by combining phase factors, and transmitting the PUSCH demodulation reference signals and data through the subframes. The invention further discloses a resource distribution device for the physical uplink shared channel. A high PAPR (peak to average power ratio) is avoided, and accordingly performance of a whole system is improved.

Description

technical field [0001] The present invention relates to the technical field of communication, and more specifically, to a resource allocation method and device for a physical uplink shared channel. Background technique [0002] With the continuous improvement of the terminal's demand for speed, the wireless communication system (power grid) of the State Grid has introduced multi-subband services. Based on the uplink multi-subband service, the terminal can realize high-speed services such as real-time video collection and large data volume data collection. The State Grid wireless communication system adopts Orthogonal Frequency Division (OFDM) as the basic technology, and each channel carries a subband of effective information. A user (UE) can support single subband or multi-subband transmission and reception, and the most capable UE can support 40 subband services. [0003] In this system, the length of the demodulation reference sequence of the Physical Uplink Shared Chan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04L5/00
Inventor 刘建明陶雄强李祥珍邢益海闫淑辉胡炜徐宏祝锋邓晓晖王单冯绍鹏秦琦
Owner POTEVIO INFORMATION TECH CO LTD
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