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Signaling resource allocation method for uplink demodulation reference signals and base station

A technology for demodulating reference signals and signaling resources, which is applied in the field of signaling resource allocation for uplink demodulation reference signals, and can solve problems such as inability to support inter-cell user configuration and interference.

Inactive Publication Date: 2013-07-24
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current DMRS mechanism cannot well support inter-cell user configuration, especially when users with different bandwidths are paired, the interference problem is more serious

Method used

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  • Signaling resource allocation method for uplink demodulation reference signals and base station
  • Signaling resource allocation method for uplink demodulation reference signals and base station
  • Signaling resource allocation method for uplink demodulation reference signals and base station

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0163] The network side jointly indicates the user's cyclic shift / orthogonal mask / subcarrier position through the original cyclic shift / orthogonal mask 3-bit signaling in the uplink control signaling of the downlink physical control channel. Preferably, the network side indicates the subcarrier position of the user on the uplink demodulation reference symbol of the allocated physical resource block as shown in Table 1:

[0164] Table 1 Joint indication of cyclic shift / orthogonal mask / subcarrier position

[0165]

[0166] Among them, in Table 1 Indicates the second cyclic shift value used on each layer by the uplink demodulation reference signal obtained by the user through the uplink control signaling of the downlink physical control channel, [w (λ) (0)w (λ) (1)] represents the orthogonal mask used by the user uplink demodulation reference signal on each layer. The value of comb indicates the subcarrier position occupied by the user DMRS: comb=i means that the user will...

Embodiment 2

[0180] The network side jointly indicates the user's cyclic shift / orthogonal mask / subcarrier position through the original cyclic shift / orthogonal mask 3-bit signaling in the uplink control signaling of the downlink physical control channel. Preferably, the network side indicates the subcarrier position of the user on the uplink demodulation reference symbol of the allocated physical resource block as shown in Table 2:

[0181] Table 2 Joint indication of cyclic shift / orthogonal mask / subcarrier position

[0182]

[0183] Among them, in Table 2 Indicates the second cyclic shift value of the uplink demodulation reference signal obtained by the user through the uplink control signaling of the downlink physical control channel, [w (λ) (0)w (λ) (1)] represents the orthogonal mask of the user uplink demodulation reference signal. The value of comb indicates the subcarrier position occupied by the user DMRS: comb=i means that the user will send the uplink demodulation referenc...

Embodiment 3

[0197] The network side jointly indicates the user's cyclic shift value and subcarrier position through the original 3-bit cyclic shift signaling in the radio resource control signaling (RRC). Preferably, the network side indicates the subcarrier position of the user on the uplink demodulation reference symbol of the allocated physical resource block as shown in Table 3:

[0198] Table 3 Joint indication of cyclic shift / subcarrier position

[0199]

[0200] Among them, in Table 3 Indicates the first cyclic shift value obtained by the user through radio resource control signaling. The value of comb indicates the subcarrier position occupied by the user in the uplink demodulation reference symbol of the allocated physical resource block: comb=i indicates that the user will use the even (odd) subcarrier index of the uplink demodulation reference symbol of the allocated physical resource block Send the uplink demodulation reference signal at the position; comb=j means that t...

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Abstract

The invention provides a signaling resource allocation method for uplink demodulation reference signals. The signaling resource allocation method for the uplink demodulation reference signals comprises the steps that a network side indicates subcarrier position information and / or basic sequence allocation information of the uplink demodulation reference signals of the network side to a terminal through uplink control signaling and / or radio resource control signaling of a physical downlink control channel. The invention further provides a base station which comprises a signaling resource allocation module. The base station is used for indicating the subcarrier position information and / or basic sequence allocation information of the uplink demodulation reference signals of the base station to the terminal through uplink control signaling and / or radio resource control signaling of the physical downlink control channel.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and relates to a method for allocating signaling resources, in particular to a method for allocating signaling resources for an uplink demodulation reference signal in a Long Term Advanced Evolution (LTE-A, Long Term Evolution-Advanced) system and a base station . Background technique [0002] An uplink demodulation reference signal (DMRS, Demodulated Reference Signal) is used to demodulate data in a user's uplink shared channel (PUSCH, Physical Uplink Shared Channel). Demodulation reference signal of PUSCH (·)defined as: [0003] r PUSCH ( λ ) ( m · M sc RS + n ) = w ( λ ...

Claims

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Application Information

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IPC IPC(8): H04W72/04H04L5/00
CPCH04L27/2636H04L5/0051H04L5/0094H04L5/0007H04L27/26
Inventor 弓宇宏孙云锋张峻峰李书鹏
Owner ZTE CORP
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