Reference signal packing for wireless communications
AssigneeCohere Technologies, Inc.
InventorsRonny Hadani, Shlomo Selim Rakib, Anton Monk, Michail Tsatsanis, Yoav Hebron
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Abstract
In a wireless communication network, pilot signals are transmitted over a wireless communication channel by determining a maximum delay spread for a transmission channel, determining a maximum Doppler frequency spread for the transmission channel, and allocating a set of transmission resources in a time-frequency domain to a number of pilot signals based on the maximum delay spread and the maximum Doppler frequency spread.
Claims24
A wireless communication method, implemented by a wireless communication device, comprising:
- determining a maximum delay spread for a transmission channel;
- determining a maximum Doppler frequency spread for the transmission channel;
- allocating, based on the maximum delay spread and the maximum Doppler frequency spread, a set of transmission resources in a time-frequency domain to a number of pilot signals in the time-frequency domain;
- and
- transmitting the pilot signals over a wireless communication channel using transmission resources, wherein each of the pilot signals corresponds to a delta function in a delay-Doppler domain based on applying a symplectic transform to the pilot signals.
A wireless communication method, implemented by a wireless communication device, comprising:
- determining a maximum delay spread for a transmission channel;
- determining a maximum Doppler frequency spread for the transmission channel;
- determining, based on the maximum delay spread and the maximum Doppler frequency spread, a number of pilot signals in a time-frequency domain that can be transmitted using a set of two-dimensional transmission resources;
- allocating the set of two-dimensional transmission resources to the number of pilot signals;
- and
- allocating the set of two-dimensional transmission resources to the number of pilot signals;
- and
- transmitting the pilot signals over a wireless communication channel using the set of two-dimensional transmission resources, wherein each of the pilot signals corresponds to a delta function in a delay-Doppler domain based on applying a symplectic transform to the pilot signals.
A wireless communication apparatus, comprising:
- a memory storing instructions;
- a processor;
- and
- a transmitter communicatively coupled to the memory and the processor;
- wherein the memory stores instructions for causing the processor to implement a method, comprising:
- determining a maximum delay spread for a transmission channel;
- determining a maximum Doppler frequency spread for the transmission channel;
- allocating, based on the maximum delay spread and the maximum Doppler frequency spread, a set of transmission resources in a time-frequency domain to a number of pilot signals in the time-frequency domain;
- and
- transmitting the pilot signals over a wireless communication channel using the set of transmission resources, wherein each of the pilot signals corresponds to a delta function in a delay-Doppler domain based on applying a symplectic transform to the pilot signals.
A wireless communication apparatus comprising a processor configured to implement a method comprising:
- determining a maximum delay spread for a transmission channel;
- determining a maximum Doppler frequency spread for the transmission channel;
- determining, based on the maximum delay spread and the maximum Doppler frequency spread, a number of pilot signals in a time-frequency domain that can be transmitted using a set of two-dimensional transmission resources;
- allocating the set of two-dimensional transmission resources to the number of pilot signals;
- and
- transmitting the pilot signals over a wireless communication channel using the set of two-dimensional transmission resources, wherein each of the pilot signals corresponds to a delta function in a delay-Doppler domain based on applying a symplectic transform to the pilot signals.
Dependencies are inferred from the claim text.