Abstract: A test configuration resource manager and a method of managing test configuration resources in a network test system. A computer readable storage medium may store instructions that, when executed, cause a computing device to receive a user input identifying a portion of a first test configuration, store the identified portion of the first test configuration as a test configuration resource in a library of test configuration resources, receive a user input identifying a stored test configuration resource, retrieve the identified stored test configuration resource, and incorporate the retrieved test configuration resource into a second test configuration. The library of test configuration resources may include one or more of port resources, protocol resources, and traffic resources.

Abstract: There are disclosed traffic generators, methods, and computer readable media to generate packets for testing a network under test. A first parameter memory bank may be active when a first bank select data has a first value and inactive when the first bank select data has a second value. A second parameter memory bank may be inactive when the first bank select data has the first value and active when the first bank select data has the second value. One or more engines may generate packets based on parameters stored in the active one of the first and second parameter memory banks. A processor coupled to the first and second parameter memory banks may write parameter data into the inactive one of the first and second parameter memory banks.

Abstract: The subject matter described herein includes methods, systems, and computer readable media for simulating per-UE Doppler shifts. One exemplary method includes generating uplink signals to be transmitted from a plurality of different simulated UEs to an air interface device under test. The method further includes applying per-UE Doppler shifts to the signals, wherein applying per-UE Doppler shifts includes applying different Doppler shifts to at least some of the signals. The method further includes transmitting the signals to the air interface device under test.

Abstract: Methods, systems, and computer readable media for decoding uplink control information are disclosed. According to one method, bit widths for possible valid configurations of uplink control information parameters are stored. Uplink data generated by receiving uplink data generated by at least one user equipment (UE) or simulated UE is received. The uplink data is decoded by iteratively utilizing the bit widths for the possible valid configurations.

Abstract: Methods, systems, and computer readable media for rapid decoding of wireless communications network uplink data are disclosed. According to one method, the wireless communications network data analyzer receives downlink data generated by a wireless access node. The wireless communications network data analyzer extracts uplink data decode keys from the downlink data. The wireless communications network data analyzer stores the uplink data decode keys. The wireless communications data analyzer captures uplink data and decodes the uplink data using the stored uplink data decode keys.

Abstract: Methods, systems, and computer readable media for assigning separate dedicated bearers for separate audio and video streams in a test simulation environment are disclosed. In one embodiment, the method includes generating dedicated bearer information associated with each of a dedicated audio bearer and a dedicated video bearer to be used for a communication session and providing the dedicated bearer information to a simulation device. The method further includes, from the simulation device, using the dedicated bearer information to negotiate establishment of the dedicated audio bearer and the dedicated video bearer between the simulation device and a system under test (SUT) and sending simulated traffic data to the SUT over the dedicated audio bearer and the dedicated video bearer in accordance with a mapping based on the dedicated bearer information and identifiers included in the simulated traffic.

Abstract: Methods and apparatus for testing real-world performance of an system under test are disclosed. The system under test is loaded with interactive transactions. A realistic mix of network traffic is simulated on the communications network. The performance of the system under test under load is tested. Accordingly, a real-world test of the system under test is provided.

Abstract: Methods, systems, and computer readable media for detecting antenna port misconfigurations are disclosed. According to one method, the method includes storing one or more reference signal maps for identifying reference signals in downlink data in memory. The method further includes receiving downlink data that appears to be associated with a first antenna port of a device under test (DUT). The method also includes identifying, using the one or more reference signal maps, a first reference signal in the downlink data, wherein the first reference signal appears to be associated with the first antenna port. The method further includes determining, using a first computed error vector magnitude associated with the first reference signal, whether the first antenna port is misconfigured.

Abstract: According to one aspect, the subject matter described herein includes a method for validating a long term evolution (LTE) transport data block and code blocks within the data block. The method includes steps occurring at an LTE traffic simulator configured to simulate plural user equipment (UE) devices. The steps include receiving, from an evolved nodeB under test, an LTE transport block including a plurality of code blocks. The steps also include decoding the code blocks and verifying a cyclic redundancy check (CRC) code for each of the code blocks. The steps further include while decoding the code blocks and verifying the CRC codes for the code blocks, verifying a CRC code for the transport block.

Abstract: The subject matter described herein includes methods, systems, and computer readable media for frequency selective channel modeling. One exemplary system includes a network equipment test device including at least one processor. The network equipment test device includes the UE emulator implemented by the at least one processor and configured to emulate a plurality of UEs that attach to and communicate with a device under test. The system further includes a frequency selective channel modeler configured to receive resource scheduling information for the UEs from the device under test, to determine channel performance categories for the UEs using the resource scheduling information and to determine values for channel quality parameters using the channel performance categories assigned to the resource blocks, which represent selected frequencies in the total channel bandwidth.

Abstract: Methods, systems, and computer readable media for fast, reduced memory and integrated sub-block interleaving and rate matching are disclosed. According to one aspect, the subject matter described herein includes a system for integrated sub-block interleaving and rate matching, which includes a buffer memory for storing sub-block data that has been encoded according to a channel encoding algorithm and a rate matching module for reading the sub-block data from the buffer memory using a sequence of addresses according to an interleaving algorithm, such that data is transferred from the buffer memory to the rate matching module in an order that emulates the order that the data would be produced by the interleaving algorithm or in the order that the data would be produced by the interleaving algorithm as modified by a rate matching algorithm.

Abstract: The subject matter described herein relates to methods, systems, and computer readable media for testing inter-cell interference coordination capabilities of wireless access nodes. One method for testing inter-cell interference mitigation capabilities of wireless access nodes includes, in a network equipment test device, emulating at least one user equipment (UE) served by a wireless access node under test. The method further includes emulating a wireless access node. The method further includes causing the emulated wireless access node to generate and send an indication of inter-cell interference to the wireless access node under test. The method further includes monitoring the response and evaluating the performance of the wireless access node under test to the indication of inter-cell interference using the network equipment test device.

Abstract: Methods, systems, and computer readable media utilizing metadata to detect UDP traffic loss in a test environment are disclosed. In one example, the method includes generating, at a user datagram protocol (UDP) traffic generation module, a plurality of UDP packets associated with a UDP stream, wherein origination information corresponding to the UDP traffic generation module is included in a payload in each of the plurality of UDP packets and receiving, at a UDP traffic receiver module, at least one of the plurality of UDP packets associated with the UDP stream. The method also includes transmitting, from the UDP traffic receiver module to the UDP traffic generation module, recipient information that identifies the UDP traffic receiver module as the receiver of the UDP stream and receiving, at the UDP traffic receiver module via a lossless environment, stream verification metrics from the UDP traffic generation module.

Abstract: Methods, systems, and computer readable media for performing long term evolution (LTE) hybrid automatic repeat request (HARQ) processing are disclosed. According to one method, the method occurs at a multi-UE simulator. The method includes receiving downlink control channel data for a plurality of user devices being simulated. The method also includes decoding HARQ data for each user device of the plurality of user devices. The method further includes performing at least one HARQ data verification step for each user device of the plurality of user devices and acting on the verified HARQ data for each user device of the plurality of user devices.

Abstract: Methods, systems, and computer readable media for emulating virtualization resources are disclosed. According to one method, the method occurs at a computing platform. The method includes receiving a message associated with a device under test (DUT) and in response to receiving the message, performing an action associated with at least one of an emulated hypervisor and an emulated virtual machine (VM).

Abstract: Methods, systems, and computer readable media for adjusting load at a device under test are disclosed. According to one method, the method occurs at a testing platform. The method includes determining whether a current operations rate associated with a device under test (DUT) is near a target operations rate, wherein the current operations rate is associated with one or more simulated users being simulated by the testing platform. The method also includes adjusting the current operations rate by increasing or decreasing the number of simulated users interacting with the DUT in response to determining that the current operations rate associated with the DUT is not near a target operations rate.

Abstract: Methods, systems, and computer readable media for assisting with debugging of conditions associated with the processing of test packets by a device under test are disclosed. One method includes transmitting test packets to a device under test. The method further includes receiving at least some of the test packets from the device under test. The method further includes storing information regarding the transmitted packets and the received packets. The method further includes applying rules to the stored information to determine correlations between packet conditions and packet parameters. The method further includes determining at least one cause of the packet condition based on the correlations. The method further includes outputting an indication of the at least one cause of the packet condition.

Abstract: Methods, systems, and computer readable media for misdirected packet drill down and negative packet capture at a network test device are disclosed. One exemplary method includes, at a network test device, receiving and storing, in the network test device, expected receive port information regarding a plurality of test packets. The method further includes transmitting the test packets to a device under test. The method further includes receiving at least some of the test packets from the device under test. The method further includes using the expected receive port information and the received test packets to identify misdirected test packets. The method further includes, for each of the packets identified as misdirected, determining a port of the network test device at which the packet should have been received and outputting an indication of the port of the network test device at which the packet should have been received.

Abstract: There are disclosed methods and apparatus for displaying and viewing control plane statistical data for a network. The method comprises configuring a network configuration, wherein the network configuration comprises a network topology, a device group, and a device, generating a test to test the network under test, and requesting to display and view a statistical data based on a network configuration parameter.

Abstract: The subject matter described herein includes methods, systems, and computer readable media for single and multi-carrier downlink and uplink control information resolution. A method for downlink and uplink control information resolution includes receiving a downlink signal including downlink control information and uplink control information. The downlink signal is processed to segregate at least some of the downlink control information in the signal from the uplink control information in the signal. The segregated downlink control information is processed using downlink control information processing resources. The uplink control information in the signal is processed using uplink control information processing resources.