Methods and apparatus for distributing baseband signal processing of fifth generation (5G) new radio uplink signals
Methods and apparatus for distributing baseband signal processing of fifth generation (5G) new radio uplink signals. In one embodiment, an apparatus includes a radio frequency (“RF”) interface, direct current (“DC”) remover, time domain (“TD”) measurement circuit, and a compression block. The RF interface is able to receive uplink transmissions containing data from a communication network. While the DC remover generates DC adjusted signals by removing DC bias from the received uplink transmissions, the TD measurement circuit is configured to measure a TD power level associated with the DC adjusted signals. The compression block, in one aspect, is operable to generate compressed uplink base band packets in response to the uplink transmissions and the TD power level. The compressed packets is subsequently transmitted over a transmission medium to the central office.
1 . An apparatus for facilitating network data processing comprising:
a radio frequency (“RF”) interface configured to receive uplink transmissions containing data;
a direct current (“DC”) remover coupled to the RF interface and configured to generate DC adjusted signals by removing DC bias from the received uplink transmissions;
a time domain (“TD”) measurement circuit coupled to the DC remover and configured to measure a TD power level associated with the DC adjusted signals; and
a compression block coupled to the TD measurement circuit and operable to generate compressed uplink base band packets in response to the uplink transmissions and the TD power level.
2 . The apparatus of claim 1 , further comprising a first frequency shifter coupled to the DC remover and configured to shift the DC adjusted signals to generate a frequency shifted signals.
3 . The apparatus of claim 1 , further comprising a cyclic prefix (“CP”) remover coupled to the DC remover and operable to remove CP from frequency shifted signals in accordance with the DC adjusted signals.
4 . The apparatus of claim 1 , further comprising a Fourier transform (“FT”) block coupled to the DC remover and operable to generate frequency domain signals in response to the DC adjusted signals.
5 . The apparatus of claim 1 , further comprising a guard carrier (“GC”) remover coupled to the DC remover and configured to generate GC removed signals in response to GC removed frequency domain signals based on DC adjusted signals.
6 . The apparatus of claim 1 , further comprising a frequency domain measurement circuit coupled to the DC remover and operable to that measures a power level of the GC removed signals.
7 . The apparatus of claim 1 , further comprising a second frequency shifter coupled to the DC remover and configured to generate an isolated user preamble signal via frequency shifting of the DC adjusted signals to generate an isolated user access preamble signal.
8 . The apparatus of claim 7 , further comprising a rate converter coupled to the DC remover and operable to generate a rate converted user access preamble signal by converting rate associated to the isolated user access preamble signal.
9 . The apparatus of claim 1 , wherein the compression block includes a first baseband processing section capable of generating antenna packets in accordance with at least one of the GC adjusted signal, rate converted user access preamble, power levels of the DC adjusted signals, and power levels of the GC removed signals.
10 . The apparatus of claim 1 , wherein the compression block includes a first baseband processing section capable of adding an identifying header to antenna packets and combine the antenna packets into symbol packets.
11 . The apparatus of claim 1 , wherein the symbol packets are combined and placed into slot packets that form compressed packets.
12 . The apparatus of claim 11 , wherein the compression block forwards the compressed packets to a central office via one or more transmission mediums.
13 . The apparatus of claim 1 , wherein the RF interface receives the uplink transmissions as one of 4G, 5G, or Wi-Fi transmissions.
14 . A method for transmitting data packets via a network communication, comprising:
receiving, by a remote site, uplink transmissions carrying user data from a user equipment via a wireless network;
removing direct current (“DC”) bias from the uplink transmissions to generate DC adjusted signals;
generating a time domain (“TD”) measurement in response to a measurement of TD power levels associated to the DC adjusted signals; and
compressing the DC adjusted signals in accordance with configuration parameters and the TD measurement to generate compressed packets.
15 . The method of claim 14 , further comprising obtaining, by a remote site, configuration parameters from a central office via a communication network through transmission lines.
16 . The method of claim 14 , further comprising transmitting the compressed packets from the remote site to a central office via one or more transmission lines.
17 . The method of claim 14 , further comprising obtaining user data by a second baseband processing unit after the compressed packets arrive at the central office.
18 . The method of claim 14 , wherein compressing the uplink transmissions further includes removing a DC bias from the received uplink transmissions to generate DC removed signals.
19 . The method of claim 14 , wherein compressing the uplink transmissions further includes removing a cyclic prefix from frequency shifted signals to generate cyclic prefix (“CP”) removed signals.
20 . The method of claim 14 , wherein compressing the uplink transmissions further includes performing a Fourier transform on cyclic prefix (“CP”) removed signals to generate a frequency domain signals.
21 . The method of claim 14 , wherein compressing the uplink transmissions further includes removing guard carriers (“GC”) from the frequency domain signals to generate GC removed signals.
22 . The method of claim 14 , further comprising generating a frequency domain (“FD”) measurement via a measurement of a power level associated to DC adjusted signals and measuring a power level of the GC removed signals.
23 . The method of claim 14 , wherein compressing the uplink transmissions includes adding an identifying header to antenna packets and combining the antenna packets into symbol packets.
24 . The method of claim 14 , wherein compressing the uplink transmissions further includes combining the symbol packets into slot packets that form the compressed packets.
25 . The method of claim 14 , wherein receiving the uplink transmissions includes receiving uplink transmissions formatted in 5G transmissions.
26 . A method of network data processing, comprising:
receiving, by a remote site, uplink transmissions carrying user data;
removing at least one direct current (“DC”) bias from the uplink transmissions to generate DC removed signals;
shifting the DC removed signals to generate frequency shifted signals;
generating compressed packets by a first baseband processor based on the frequency shifted signals and configuration parameters; and
transmitting the compressed packets from the remote site to a central office via transmission lines.
27 . The method of claim 26 , further comprising generating cyclic prefix (“CP”) removed signals by removing at least one CP from the frequency shifted signals.
28 . The method of claim 26 , further comprising obtaining, by a remote site, configuration parameters from a central office via a communication network through transmission lines.
29 . The method of claim 26 , further comprising removing guard carriers (“GC”) from frequency domain signals to generate GC removed signals.
30 . The method of claim 26 , further comprising generating a frequency domain (“FD”) measurement via a measurement of a power level associated to DC removed signals and measurement of power level associated to the GC removed signals.
31 . The method of claim 26 , further comprising adding an identifying header to antenna packets and combining the antenna packets into symbol packets.
32 . An apparatus for transmitting data packets via a network communication, comprising:
means for receiving uplink transmissions carrying user data from a user equipment via a wireless network;
means for removing direct current (“DC”) bias from the uplink transmissions to generate DC adjusted signals;
means for generating a time domain (“TD”) measurement in response to a measurement of TD power levels associated to the DC adjusted signals; and
means for compressing the DC adjusted signals in accordance with configuration parameters and the TD measurement to generate compressed packets.
33 . The apparatus of claim 32 , further comprising means for obtaining configuration parameters from a central office via a communication network through transmission lines.
34 . The apparatus of claim 32 , further comprising means for transmitting the compressed packets from the remote site to a central office via one or more transmission lines.
35 . The apparatus of claim 32 , further comprising means for obtaining user data by a second baseband processing unit after the compressed packets arrive at the central office.
36 . The apparatus of claim 32 , wherein means for compressing the uplink transmissions further includes means for removing a DC bias from the received uplink transmissions to generate DC removed signals.