Multi-antenna transmission protocols for high doppler conditions
First Claim
1. A network node device, comprising:
- a processor; and
a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising;
determining a metric representative of a shift in a received frequency of a signal determined to have been received by a user equipment and an actual frequency determined to have been used to transmit the signal;
in response to the metric being determined to exceed a threshold, facilitating transmitting, to the user equipment, a message instructing the user equipment to enable a reception of transmission signals having a precoding rank value of one and to exclude, from channel state information feedback, reporting of a rank indicator representative of a number of different data streams transmitted between the network node device and the user equipment, wherein the precoding rank value of one indicates transmissions of data comprising same content concurrently from the network node device to the user equipment;
facilitating transmitting, to the user equipment, a reference signal specific to the user equipment and having the precoding rank value of one;
receiving, from the user equipment, the channel state information feedback comprising an indicator of channel quality applicable to a quality of a channel between the network node device and the user equipment;
based on the indicator of channel quality, determining a transmission scheduling parameter related to a transmission protocol for further transmissions from the network node device to the user equipment; and
facilitating transmitting, to the user equipment, the transmission scheduling parameter.
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Accused Products
Abstract
In response to a metric (e.g., Doppler metric) exceeding a threshold, a network node device can facilitate transmitting a message instructing a user equipment to enable reception of transmission signals having a precoding rank value of one. The network node device can send a reference signal having the precoding rank value of one, and receive feedback from the user equipment comprising an indicator of channel quality. Optionally, in response to the metric exceeding a threshold, the network node device can facilitate transmitting a message instructing the user equipment to respond to a reference signal by providing feedback comprising a first indicator of rank having a value of one, and a second indicator of channel quality.
57 Citations
20 Claims
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1. A network node device, comprising:
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a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising; determining a metric representative of a shift in a received frequency of a signal determined to have been received by a user equipment and an actual frequency determined to have been used to transmit the signal; in response to the metric being determined to exceed a threshold, facilitating transmitting, to the user equipment, a message instructing the user equipment to enable a reception of transmission signals having a precoding rank value of one and to exclude, from channel state information feedback, reporting of a rank indicator representative of a number of different data streams transmitted between the network node device and the user equipment, wherein the precoding rank value of one indicates transmissions of data comprising same content concurrently from the network node device to the user equipment; facilitating transmitting, to the user equipment, a reference signal specific to the user equipment and having the precoding rank value of one; receiving, from the user equipment, the channel state information feedback comprising an indicator of channel quality applicable to a quality of a channel between the network node device and the user equipment; based on the indicator of channel quality, determining a transmission scheduling parameter related to a transmission protocol for further transmissions from the network node device to the user equipment; and facilitating transmitting, to the user equipment, the transmission scheduling parameter. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A network device, comprising:
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a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising; determining a metric representative of a shift in a received frequency of a signal determined to have been received by a user equipment and an actual frequency determined to have been employed to transmit the signal; in response to the metric being determined to exceed a threshold, facilitating transmitting, to the user equipment, a message instructing the user equipment to respond to a reference signal by including channel state information feedback relating to a transmission protocol for transmissions between the user equipment and the network device, the channel state information feedback comprising a first indicator of channel quality applicable to a quality of a channel between the network device and the user equipment, and by excluding, from the channel state information feedback, a second indicator of rank representative of a number of different data streams transmitted between the network device and the user equipment; facilitating transmitting, to the user equipment, the reference signal; receiving, from the user equipment, the channel state information feedback; decoding the channel state information feedback resulting in decoded channel state information feedback; based on the decoded channel state information feedback, determining a transmission scheduling parameter related to the transmission protocol; and facilitating transmitting, to the user equipment, the transmission scheduling parameter. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A network node device, comprising:
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a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising; determining a metric representative of a shift in a received frequency of a signal determined to have been received by a user equipment and an actual frequency determined to have been used to transmit the signal; in response to the metric being determined to exceed a threshold, facilitating transmitting, to the user equipment, a message instructing the user equipment to; enable a reception of transmission signals having a precoding rank value of one, wherein the precoding rank value of one indicates transmissions of data comprising same content concurrently from the network node device to the user equipment, and exclude from channel state information feedback a first indicator of rank representative of a number of different data streams transmitted between the network node device and the user equipment; facilitating transmitting, to the user equipment, reference signals specific to the user equipment and having the precoding rank value of one; receiving, from the user equipment, the channel state information feedback comprising indicators of channel quality, determined from evaluating each of the reference signals, wherein the indicators of channel quality are applicable to a quality of a channel between the network node device and the user equipment; based on the channel state information feedback, selecting one of the indicators of channel quality to determine a transmission scheduling parameter related to a transmission protocol for further transmissions from the network node device to the user equipment; and facilitating transmitting, to the user equipment, the transmission scheduling parameter. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification