Methods and apparatus for waveform design and signaling for energy harvesting
摘要
說(shuō)明書(shū)
In various embodiments, with regard to RE-based resource dedication, the EH waveform design may be constrained by the dedicated EH RE density and distribution across the potential energy harvesting band, as well as the existence/non-existence of other control/data signaling in the REs surrounding the dedicated EH REs. The eNB may consider, among other options, one or more of the following waveform generation strategies: 1) distribute power uniformly across all the dedicated EH REs over the EH transmission schedule during the transmission period T; 2) consider a uniform distribution of power across EH REs in the frequency domain, and some predefined fixed power distribution across the time units identified in the EH transmission schedule during the transmission period T; 3) consider a predefined fixed distribution of power across EH REs in the frequency domain, and the same or different predefined fixed power distribution across the time units identified in the EH transmission schedule during the transmission period T; and 4) distribute power across the EH REs, over one (or more) time unit(s) identified in the EH transmission schedule during a transmission period T, such that the MSE between the generated PSD and one that is chosen from a set of predefined PSDs associated with some desired EH waveforms is minimized.
The distribution of power across the dedicated EH REs should be constrained by the amount of in-band interference they can generate within their RBs that might be allocated for other purposes, e.g., DL control and/or data transmission to the same WTRU (e.g., a WTRU equipped with EH circuitry) or another WTRU.
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