Data Signal Transmission in a Wireless Communication System with Reduced End-To-End Latency

Patent metadata

Field	Value
Publication number	US-2018367279-A1
Application number	US-201816008341-A
Country	US
Kind code	A1
Filing date	Jun 14, 2018
Priority date	Dec 18, 2015
Publication date	Dec 20, 2018
Grant date	—

Abstract

A receiver is configured is configured to receive a data signal, the data signal having at least one data signal block, the data signal block having a predefined duration in the time domain, a number of symbols in the time domain and a bandwidth in the frequency domain, wherein the data signal block is received over a plurality of transmission intervals, wherein a length of one transmission interval is shorter than the duration of the data signal block so that a subset of the symbols of the data signal block is received over one transmission interval, and wherein the receiver includes a signal processing device configured to process the symbols of the data signal block which have been received over one transmission interval.

First claim

1 . A receiver,
wherein the receiver is configured to receive a data signal, the data signal comprising a plurality of frames, the plurality of frames comprising at least a first frame and a second frame, wherein the first frame comprises a first format with a predefined duration in the time domain, a number of symbols in the time domain and a bandwidth in the frequency domain, wherein the second frame comprises a second format with a predefined duration in the time domain, a number of symbols in the time domain and a bandwidth in the frequency domain, the first format and the second format being different, wherein the receiver comprises a signal processing device configured to process the symbols of the frames comprising the first format and the second format, and wherein the first frame is received in one frequency band, and the second frame is received in another frequency band.

2 . The receiver of claim 1 , wherein the first frame is a LTE frame, and the second frame is a frame comprising a format different from the LTE frame.

3 . The receiver of claim 2 , wherein the UE is configured to use the LTE frame as an access point to synchronize and to discover where to find the other frequency band for the second frame.

4 . The receiver of claim 1 , wherein the second frame is a ULD frame.

5 . The receiver of claim 1 , wherein the first and second frames are received by using Carrier Aggregation.

6 . The receiver of claim 1 , wherein the UE is configured to receive the first frame from a first transmitter and the second frame from a second transmitter.

7 . The receiver of claim 1 , wherein the second frame is received over a plurality of transmission intervals, wherein a length of one transmission interval is shorter than the duration of the second frame so that a subset of the symbols of the second frame is received over one transmission interval, and wherein the signal processing device is configured to process the symbols of the second frame which have been received over one transmission interval.

8 . The receiver of claim 1 , wherein
the bandwidth of the data signal comprises a first frequency band and a second frequency band, and wherein the either the first frame or the second frame is received over a plurality of transmission intervals in the first frequency band or in the second frequency band.

9 . The receiver of claim 1 , wherein the bandwidth of the data signal comprises at least one further frequency band.

10 . The receiver of claim 1 , wherein the signal processing device is configured to decode data from a frequency band comprising a part of the first frequency band and the second frequency band, wherein the bandwidth of the decoded frequency band is the bandwidth of the first frequency band.

11 . The receiver of claim 8 , wherein the first frequency band is a first carrier component of a carrier aggregation, and the second frequency band is a second carrier component of the carrier aggregation, and wherein the carrier components are intra-band contiguous, intra-band non-contiguous or inter-band non-contiguous.

12 . A transmitter,
wherein the transmitter is configured to transmit a data signal, the data signal comprising a plurality of frames, the plurality of frames comprising at least a first frame and a second frame, wherein the first frame comprises a first format with a predefined duration in the time domain, a number of symbols in the time domain and a bandwidth in the frequency domain, wherein the second frame comprises a second format with a predefined duration in the time domain, a number of symbols in the time domain and a bandwidth in the frequency domain, the first format and the second format being different, and wherein the transmitter is configured to transmit the first frame in one frequency band and the second frame in another frequency band.

13 . A wireless communication system, comprising:
a receiver,
wherein the receiver is configured to receive a data signal, the data signal comprising a plurality of frames, the plurality of frames comprising at least a first frame and a second frame,
wherein the first frame comprises a first format with a predefined duration in the time domain, a number of symbols in the time domain and a bandwidth in the frequency domain,
wherein the second frame comprises a second format with a predefined duration in the time domain, a number of symbols in the time domain and a bandwidth in the frequency domain, the first format and the second format being different,
wherein the receiver comprises a signal processing device configured to process the symbols of the frames comprising the first format and the second format, and
wherein the first frame is received in one frequency band, and the second frame is received in another frequency band; and
a transmitter as claimed in claim 12 .

14 . A wireless communication system, comprising:
a receiver,
wherein the receiver is configured to receive a data signal, the data signal comprising a plurality of frames, the plurality of frames comprising at least a first frame and a second frame,
wherein the first frame comprises a first format with a predefined duration in the time domain, a number of symbols in the time domain and a bandwidth in the frequency domain,
wherein the second frame comprises a second format with a predefined duration in the time domain, a number of symbols in the time domain and a bandwidth in the frequency domain, the first format and the second format being different,
wherein the receiver comprises a signal processing device configured to process the symbols of the frames comprising the first format and the second format, and
wherein the first frame is received in one frequency band, and the second frame is received in another frequency band;
a first transmitter and a second transmitter, wherein the first and second transmitters are configured such that the first transmitter transmits the first frame in the one frequency band and the second transmitter transmits the second frame in the other frequency band.

15 . A method, comprising:
receiving, at a receiver, a data signal, the data signal comprising a plurality of frames, the plurality of frames comprising at least a first frame and a second frame, wherein the first frame comprises a first format with a predefined duration in the time domain, a number of symbols in the time domain and a bandwidth in the frequency domain, and wherein the second frame comprises a second format with a predefined duration in the time domain, a number of symbols in the time domain and a bandwidth in the frequency domain, the first format and the second format being different; and processing, by the receiver, the symbols of the frames comprising the first format and the second format, wherein the first frame is received in one frequency band, and the second frame is received in another frequency band.

16 . A method, comprising:
transmitting, by a transmitter, a data signal, the data signal comprising a plurality of frames, the plurality of frames comprising at least a first frame and a second frame, wherein a first frame comprises a first format with a predefined duration in the time domain, a number of symbols in the time domain and a bandwidth in the frequency domain, and wherein a second frame comprises a second format with a predefined duration in the time domain, a number of symbols in the time domain and a bandwidth in the frequency domain, the first format and the second format being different, wherein the first frame is transmitted in one frequency band, and the second frame is transm

Assignees

• Fraunhofer Ges Forschung

Inventors

• Hellge Cornelius
• Sánchez De La Fuente Yago
• Schierl Thomas
• Haustein Thomas
• Thiele Lars
• Wirth Thomas
• Kurras Martin
• Raschkowski Leszek
• Efimushkina Tatiana

Classifications

• H04L5/0048

  Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091) · CPC title

• H04L5/001 Primary

  the frequencies being arranged in component carriers · CPC title

• H04L5/0053 Primary

  Allocation of signalling, i.e. of overhead other than pilot signals · CPC title

• H04L5/0064

  Rate requirement of the data, e.g. scalable bandwidth, data priority · CPC title

• H04W84/042

  Public Land Mobile systems, e.g. cellular systems · CPC title