Phase Adjustment Method, Related Device, and Communications System
AssigneeHuawei Technologies Co., Ltd.
InventorQingyong Chen
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Abstract
A phase adjustment method, a related device, and a system, the method comprising obtaining phases and amplitudes of M symbols adjusting a phase of each of the M symbols to an adjusted phase, wherein the adjusting the phase of each of the M symbols to the adjusted phase includes performing at least one of setting the adjusted phase of the first symbol to the phase of the respective symbol, or setting the adjusted phase of a symbol greater than the first symbol according to the phase of the respective symbol and further according to a sum of phases of all symbols whose amplitudes are greater than an amplitude threshold in a group of one or more symbols from a first symbol to an (i−1)th symbol.
Claims20
A phase adjustment method, comprising:
- obtaining phases and amplitudes of M symbols, wherein M is an integer greater than 1, and wherein the phases of the M symbols are, respectively, ϕ1, ϕ2, . . . , and ϕM;
- and
- adjusting a phase ϕi of each of the M symbols to θi, wherein 1≤i≤M, and i is an integer;
- and wherein the adjusting the phase ϕi of each of the M symbols to θi comprises performing at least one of:
- setting θ1=ϕ1 in response to i=1;
- or
- setting θi=ϕi+ϕsum (i−1, Ath) in response to 2≤i≤M, wherein Ath indicates a preset amplitude threshold, and wherein ϕsum (i−1, Ath) indicates a sum of phases of all symbols whose amplitudes are greater than the amplitude threshold Ath in a group of one or more symbols from a first symbol to an (i−1)th symbol.
A phase adjustment method, comprising:
- obtaining phases and amplitudes of M symbols, wherein the phases of the M symbols are, respectively, α1, α2, . . . , and αM, and wherein M is an integer greater than 1;
- and
- adjusting a phase αi of each of the M symbols to βi, wherein 1≤i≤M, and i is an integer, and wherein the adjusting the phase αi of each of the M symbols to βi comprises performing at least one of:
- setting β1=α1 in response to i=1;
- or
- setting βi=αi−αmin (i−1, Bth) in response to 2≤i≤M, wherein Bth indicates a preset amplitude threshold, and wherein αmin (i−1, Bth) indicates a phase of a symbol that is closest to an ith symbol and whose amplitude is greater than the amplitude threshold Bth in a group of one or more symbols from a first symbol to an (i−1)th symbol in the M symbols.
A sending device, comprising:
- a processor;
- and
- a non-transitory computer-readable storage medium storing a program to be executed by the processor, the program including instructions for:
- obtaining phases and amplitudes of M symbols, wherein M is an integer greater than 1, and wherein the phases of the M symbols are, respectively, ϕ1, ϕ2, . . . , and ϕM;
- and
- adjusting the phases ϕi of the M symbols to θi, wherein 1≤i≤M, wherein i is an integer, and wherein the adjusting the phases ϕi of the M symbols to θi comprises performing at least one of:
- setting θ1=ϕ1 in response to i=1;
- or
- setting θi=ϕi+ϕsum (i−1, Ath) in response to 2≤i≤M, wherein Ath indicates a preset amplitude threshold, and wherein ϕsum (i−1, Ath) indicates a sum of phases of all symbols whose amplitudes are greater than the amplitude threshold Ath in a first symbol to an (i−1)th symbol.
A receiving device, comprising:
- a processor;
- and
- a non-transitory computer-readable storage medium storing a program to be executed by the processor, the program including instructions for:
- obtaining phases and amplitudes of M symbols, wherein M is an integer greater than 1, and the phases of the M symbols are respectively α1, α2, . . . , and αM;
- adjusting a phase αi of each of the M symbols to βi, wherein 1≤i≤M, and wherein i is an integer;
- and
- setting β1=α1 in response to i=1.
Dependencies are inferred from the claim text.