Receiving apparatus and data obtaining method

Abstract

A receiving apparatus for communication area evaluation includes a receiving unit configured to receive a first signal transmitted from a base station; a delay profile calculation unit configured to calculate a downlink delay profile based on the first signal; and an estimated value calculation unit configured to calculate an estimated cyclic prefix length based on the calculated downlink delay profile.

1 . A receiving apparatus, comprising:
 a receiving unit configured to receive a first signal transmitted from a base station;   a delay profile calculation unit configured to calculate a downlink delay profile based on the first signal;   an estimated value calculation unit configured to calculate an estimated propagation path delay or an estimated cyclic prefix length based on the calculated downlink delay profile; and   an outputting unit configured to output the estimated propagation path delay or the estimated cyclic prefix length.   
     
     
         2 . A receiving apparatus, comprising:
 a receiving unit configured to receive a first signal transmitted from a base station; and   an estimated value calculation unit configured to obtain downlink quality information based on the first signal and to calculate an estimated downlink throughput based on the downlink quality information.   
     
     
         3 . The receiving apparatus as claimed in  claim 2 , wherein when the base station includes multiple transmitting antennas, the estimated value calculation unit is configured to obtain the downlink quality information including a number of streams (rank) in MIMO. 
     
     
         4 . A receiving apparatus, comprising:
 a receiving unit configured to receive a first signal transmitted from multiple base stations that perform downlink transmission in synchronization with each other;   an estimated value calculation unit configured to obtain downlink quality information based on the first signal and to calculate an estimated downlink throughput based on the downlink quality information; and   an outputting unit configured to output the estimated downlink throughput.   
     
     
         5 . A receiving apparatus, comprising:
 a communication unit configured to communicate with a base station;   a receiving unit configured to receive a second signal transmitted from the base station;   an estimated value calculation unit configured to calculate an estimated downlink throughput based on information in the second signal; and   an outputting unit configured to output the estimated downlink throughput.   
     
     
         6 . The receiving apparatus as claimed in  claim 5 , wherein the second signal is downlink scheduling information. 
     
     
         7 . The receiving apparatus as claimed in  claim 5 , wherein the estimated value calculation unit is configured to calculate estimated throughputs in RLC, MAC, and TCP layers. 
     
     
         8 . The receiving apparatus as claimed in  claim 2 , wherein the downlink quality information and the estimated downlink throughput are radio quality information and a throughput of an entire frequency band of a mobile communication system, or radio quality information and a throughput of a part of the entire frequency band of the mobile communication system. 
     
     
         9 . A receiving apparatus, comprising:
 a receiving unit configured to receive a first signal transmitted from a base station;   a first calculation unit configured to calculate, based on the first signal, a received power level of the first signal, a downlink received power level, a value obtained by dividing the received power level of the first signal by the downlink received power level, and a path loss for an entire frequency band of a mobile communication system;   a second calculation unit configured to calculate, based on the first signal, the received power level of the first signal, the downlink received power level, the value obtained by dividing the received power level of the first signal by the downlink received power level, and the path loss for a part of the entire frequency band of the mobile communication system; and   an outputting unit configured to output the received power level of the first signal, the downlink received power level, the value obtained by dividing the received power level of the first signal by the downlink received power level, and the path loss.   
     
     
         10 . The receiving apparatus as claimed in  claim 9 , wherein the part of the entire frequency band of the mobile communication system is a frequency band of 1.08 MHz including a center frequency of the entire frequency band. 
     
     
         11 . A receiving apparatus, comprising:
 a receiving unit configured to receive a first signal transmitted from a base station;   a path loss calculation unit configured to calculate a path loss based on the first signal;   an uplink quality calculation unit configured to calculate, based on the path loss, an estimated uplink transmission power level of a fourth signal, an estimated uplink SIR, an estimated uplink throughput, and UE power headroom; and   an outputting unit configured to output the estimated uplink transmission power level of the fourth signal, the estimated uplink SIR, the estimated uplink throughput, and the UE power headroom.   
     
     
         12 . A receiving apparatus, comprising:
 a communication unit configured to communicate with a base station;   a receiving unit configured to receive a third signal transmitted from the base station;   an uplink quality calculation unit configured to calculate an estimated uplink transmission power level of a fourth signal, an estimated uplink throughput, and UE power headroom; and   an outputting unit configured to output the estimated uplink transmission power level of the fourth signal, the estimated uplink throughput, and the UE power headroom.   
     
     
         13 . The receiving apparatus as claimed in  claim 12 , wherein the third signal is an uplink scheduling grant. 
     
     
         14 . The receiving apparatus as claimed in  claim 12 , wherein the uplink quality calculation unit is configured to calculate estimated uplink throughputs in RLC, MAC, and TCP layers. 
     
     
         15 . The receiving apparatus as claimed in  claim 11 , wherein the fourth signal indicates at least one of an uplink shared channel, a sounding reference signal, an uplink control channel, and a random access channel. 
     
     
         16 . The receiving apparatus as claimed in  claim 11 , wherein the uplink quality calculation unit is configured to calculate the estimated uplink transmission power level based on a formula:
   estimated transmission power level=min( P max, 10*log  M+P 0 +a 1 *PL+Δ   TF   f (delta —   i ))   where Pmax is a maximum transmission power level of a mobile station, M is a number of allocated resource blocks, P 0  is a value reported via a broadcast channel, a1 is a coefficient, PL is the path loss, delta_mcs is a value reported via an RRC message, delta_i is a correction parameter, and f(*) is a function that takes delta_i as an argument.   
     
     
         17 . The receiving apparatus as claimed in  claim 1 , wherein the first signal is a downlink reference signal or a common pilot channel. 
     
     
         18 . A receiving apparatus, comprising:
 a receiving unit configured to receive a fifth signal transmitted from a base station;   an error rate calculation unit configured to calculate an error rate of the fifth signal; and   an outputting unit configured to output the error rate of the fifth signal.   
     
     
         19 . The receiving apparatus as claimed in  claim 18 , wherein the fifth signal indicates at least one of a physical broadcast channel, a dynamic broadcast channel, downlink scheduling information for the dynamic broadcast channel, a paging indicator, and a paging channel. 
     
     
         20 . The receiving apparatus as claimed in  claim 1 , wherein
 the receiving unit comprises a plurality of receiving units having different receiving capabilities; and   the outputting unit is configured to output multiple calculation results corresponding to the receiving units.   
     
     
         21 . The receiving apparatus as claimed in  claim 20 , wherein the receiving capabilities are defined by a number of receiving antennas, a distance between multiple receiving antennas, a difference in antenna gain between multiple receiving antennas, a receiving algorithm, and/or a signal separation algorithm in MIMO. 
     
     
         22 . The receiving apparatus as claimed in  claim 1 , further comprising:
 a positional information obtaining unit configured to obtain positional information of the receiving apparatus, wherein the outputting unit is configured to output the estimated propagation path delay or the estimated cyclic prefix length in association with the positional information.   
     
     
         23 . A data obtaining method, comprising:
 a receiving step of receiving a first signal transmitted from a base station;   a delay profile calculation step of calculating a downlink delay profile based on the first signal;   an estimated value calculation step of calculating an estimated propagation path delay or an estimated cyclic prefix length based on the calculated downlink delay profile; and   an outputting step of outputting the estimated propagation path delay or the estimated cyclic prefix length.   
     
     
         24 . A data obtaining method, comprising:
 a receiving step of receiving a first signal transmitted from a base station;   a quality information obtaining step of obtaining downlink quality information based on the first signal;   an estimated value calculation step of calculating an estimated downlink throughput based on the downlink quality information; and   an outputting step of outputting the estimated downlink throughput.   
     
     
         25 . A data obtaining method, comprising:
 a receiving step of receiving a first signal transmitted from multiple base stations that perform downlink transmission in synchronization with each other;   a quality information obtaining step of obtaining downlink quality information based on the first signal;   an estimated value calculation step of calculating an estimated downlink throughput based on the downlink quality information; and   an outputting step of outputting the estimated downlink throughput.   
     
     
         26 . A data obtaining method, comprising:
 a receiving step of receiving a second signal transmitted from a base station;   an estimated value calculation step of calculating an estimated downlink throughput based on information in the second signal; and   an outputting step of outputting the estimated downlink throughput.   
     
     
         27 . A data obtaining method, comprising:
 a receiving step of receiving a first signal transmitted from a base station;   a first calculation step of calculating, based on the first signal, a received power level of the first signal, a downlink received power level, a value obtained by dividing the received power level of the first signal by the downlink received power level, and a path loss for an entire frequency band of a mobile communication system;   a second calculation step of calculating, based on the first signal, the received power level of the first signal, the downlink received power level, the value obtained by dividing the received power level of the first signal by the downlink received power level, and the path loss for a part of the entire frequency band of the mobile communication system; and   an output step of outputting the received power level of the first signal, the downlink received power level, the value obtained by dividing the received power level of the first signal by the downlink received power level, and the path loss.   
     
     
         28 . A data obtaining method, comprising:
 a receiving step of receiving a first signal transmitted from a base station;   a path loss calculation step of calculating a path loss based on the first signal;   an uplink quality calculation step of calculating, based on the path loss, an estimated uplink transmission power level of a fourth signal, an estimated uplink SIR, an estimated uplink throughput, and UE power headroom; and   an outputting step of outputting the estimated uplink transmission power level of the fourth signal, the estimated uplink SIR, the estimated uplink throughput, and the UE power headroom.   
     
     
         29 . A data obtaining method, comprising:
 a receiving step of receiving a third signal transmitted from a base station;   an uplink quality calculation step of calculating an estimated uplink transmission power level of a fourth signal, an estimated uplink throughput, and UE power headroom; and   an outputting step of outputting the estimated uplink transmission power level of the fourth signal, the estimated uplink throughput, and the UE power headroom.